Weapons and npcs pt. 3

CMakeLists.txt

@@ -12,6 +12,8 @@ set(COMMON_SOURCES
     "src/assets/cache.cpp"
     "src/assets/cmdfile.hpp"
     "src/assets/cmdfile.cpp"
+    "src/assets/item.hpp"
+    "src/assets/item.cpp"
     "src/assets/map.hpp"
     "src/assets/map.cpp"
     "src/assets/model.hpp"
@@ -25,6 +27,8 @@ set(COMMON_SOURCES
     "src/collision/motionstate.hpp"
     "src/collision/trianglemesh.hpp"
     "src/collision/trianglemesh.cpp"
+    "src/game/camera_controller.hpp"
+    "src/game/camera_controller.cpp"
     "src/game/character_anim_state.hpp"
     "src/game/character_anim_state.cpp"
     "src/game/deform_grid.hpp"
@@ -54,6 +58,8 @@ set(COMMON_SOURCES
 )
 
 set(CLIENT_ONLY_SOURCES
+    "src/assets/effect.hpp"
+    "src/assets/effect.cpp"
     "src/assets/mesh_builder.hpp"
     "src/assets/mesh_builder.cpp"
     "src/audio/defs.hpp"
@@ -84,6 +90,8 @@ set(CLIENT_ONLY_SOURCES
     "src/gameview/mapinstanceview.cpp"
     "src/gameview/markerview.hpp"
     "src/gameview/markerview.cpp"
+    "src/gameview/particle_emitter.hpp"
+    "src/gameview/particle_emitter.cpp"
     "src/gameview/remote_menu_view.hpp"
     "src/gameview/remote_menu_view.cpp"
     "src/gameview/simple_entity_view.hpp"
@@ -126,8 +134,8 @@ set(CLIENT_ONLY_SOURCES
     "src/gui/font.cpp"
     "src/gui/menu.hpp"
     "src/gui/menu.cpp"
-    "src/gui/use_target_hud.hpp"
+    "src/gui/player_hud.hpp"
-    "src/gui/use_target_hud.cpp"
+    "src/gui/player_hud.cpp"
     "src/utils/files.cpp"
 )
 
@@ -150,6 +158,8 @@ set(SERVER_ONLY_SOURCES
     "src/game/game.cpp"
     "src/game/human_character.hpp"
     "src/game/human_character.cpp"
+    "src/game/item_instance.hpp"
+    "src/game/item_instance.cpp"
     "src/game/mapinstance.hpp"
     "src/game/mapinstance.cpp"
     "src/game/marker.hpp"

src/assets/animation.cpp

@@ -97,6 +97,10 @@ std::shared_ptr<const assets::Animation> assets::Animation::LoadFromFile(const s
         {
             iss >> anim->tps_;
         }
+        else if (command == "cyclic")
+        {
+            anim->cyclic_ = true;
+        }
     });
 
     if (anim->channels_.empty())
@@ -120,5 +124,9 @@ std::shared_ptr<const assets::Animation> assets::Animation::LoadFromFile(const s
         channel.frames = &anim->frame_refs_[i * anim->num_frames_];
     }
 
+    // calc duration
+    auto frame_range = anim->cyclic_ ? anim->num_frames_ : anim->num_frames_ - 1;
+    anim->duration_ = static_cast<float>(frame_range) / anim->tps_;
+
     return anim;
 }

src/assets/animation.hpp

@@ -24,7 +24,8 @@ public:
 
     size_t GetNumFrames() const { return num_frames_; }
     float GetTPS() const { return tps_; }
-    float GetDuration() const { return static_cast<float>(num_frames_) / tps_; }
+    float GetDuration() const { return duration_; }
+    bool IsCyclic() const { return cyclic_; }
 
     size_t GetNumChannels() const { return channels_.size(); }
     const AnimationChannel& GetChannel(int index) const { return channels_[index]; }
@@ -32,6 +33,8 @@ public:
 private:
     size_t num_frames_ = 0;
     float tps_ = 24.0f;
+    bool cyclic_ = false;
+    float duration_ = 0.0f;
 
     std::vector<AnimationChannel> channels_;
     std::vector<const Transform*> frame_refs_;

src/assets/cache.cpp

@@ -4,7 +4,9 @@ assets::SkeletonCache assets::CacheManager::skeleton_cache_;
 assets::ModelCache assets::CacheManager::model_cache_;
 assets::MapCache assets::CacheManager::map_cache_;
 assets::VehicleCache assets::CacheManager::vehicle_cache_;
+assets::ItemCache assets::CacheManager::item_cache_;
 
 CLIENT_ONLY(assets::TextureCache assets::CacheManager::texture_cache_;)
 CLIENT_ONLY(assets::SoundCache assets::CacheManager::sound_cache_;)
 CLIENT_ONLY(assets::FontCache assets::CacheManager::font_cache_;)
+CLIENT_ONLY(assets::EffectCache assets::CacheManager::effect_cache_;)

src/assets/cache.hpp

@@ -4,6 +4,7 @@
 #include "model.hpp"
 #include "skeleton.hpp"
 #include "vehiclemdl.hpp"
+#include "item.hpp"
 
 #include "utils/defs.hpp"
 
@@ -11,6 +12,7 @@
 #include "audio/sound.hpp"
 #include "gfx/texture.hpp"
 #include "gui/font.hpp"
+#include "effect.hpp"
 #endif
 
 #include <iostream>
@@ -66,6 +68,12 @@ class FontCache final : public Cache<gui::Font>
 protected:
     PtrType Load(const std::string& key) override { return gui::Font::LoadFromFile(key); }
 };
+
+class EffectCache final : public Cache<Effect>
+{
+protected:
+    PtrType Load(const std::string& key) override { return Effect::LoadFromFile(key); }
+};
 #endif // CLIENT
 
 class SkeletonCache final : public Cache<Skeleton>
@@ -92,6 +100,12 @@ protected:
     PtrType Load(const std::string& key) override { return VehicleModel::LoadFromFile(key); }
 };
 
+class ItemCache final : public Cache<Item>
+{
+protected:
+    PtrType Load(const std::string& key) override { return Item::LoadFromFile(key); }
+};
+
 class CacheManager
 {
 public:
@@ -109,6 +123,11 @@ public:
         return vehicle_cache_.Get(filename);
     }
 
+    static std::shared_ptr<const Item> GetItem(const std::string& filename)
+    {
+        return item_cache_.Get(filename);
+    }
+
 #ifdef CLIENT
     static std::shared_ptr<const gfx::Texture> GetTexture(const std::string& filename)
     {
@@ -124,6 +143,11 @@ public:
     {
         return font_cache_.Get(filename);
     }
+    
+    static std::shared_ptr<const Effect> GetEffect(const std::string& filename)
+    {
+        return effect_cache_.Get(filename);
+    }
 #endif
 
 private:
@@ -131,9 +155,11 @@ private:
     static ModelCache model_cache_;
     static MapCache map_cache_;
     static VehicleCache vehicle_cache_;
+    static ItemCache item_cache_;
     CLIENT_ONLY(static TextureCache texture_cache_;)
     CLIENT_ONLY(static SoundCache sound_cache_;)
     CLIENT_ONLY(static FontCache font_cache_;)
+    CLIENT_ONLY(static EffectCache effect_cache_;)
 };
 
 } // namespace assets

src/assets/effect.cpp

@@ -0,0 +1,78 @@
+#include "effect.hpp"
+
+#include "cmdfile.hpp"
+#include "assets/cache.hpp"
+
+std::shared_ptr<const assets::Effect> assets::Effect::LoadFromFile(const std::string& path)
+{
+    auto fx = std::make_shared<Effect>();
+
+    ParticleDef* particle = nullptr;
+
+    LoadCMDFile(path, [&](const std::string& command, std::istringstream& iss) {
+        if (command == "sound")
+        {
+            std::string sound_name;
+            iss >> sound_name;
+            fx->sounds_.emplace_back(assets::CacheManager::GetSound("data/" + sound_name + ".snd"));
+        }
+        else if (command == "particle")
+        {
+            particle = &fx->particle_defs_.emplace_back();
+        }
+        else if (particle)
+        {
+            if (command == "texture")
+            {
+                std::string texture_name;
+                iss >> texture_name;
+                particle->texture = assets::CacheManager::GetTexture("data/" + texture_name + ".png");
+            }
+            else if (command == "blend")
+            {
+                std::string blend_str;
+                iss >> blend_str;
+
+                if (blend_str == "normal")
+                    particle->blend = PTB_BLEND_NORMAL;
+                else if (blend_str == "additive")
+                    particle->blend = PTB_BLEND_ADDITIVE;
+            }
+            else if (command == "size")
+            {
+                iss >> particle->size_min >> particle->size_max;
+            }
+            else if (command == "count")
+            {
+                iss >> particle->count_min >> particle->count_max;
+            }
+            else if (command == "velocity")
+            {
+                iss >> particle->velocity_min >> particle->velocity_max;
+            }
+            else if (command == "dispersion")
+            {
+                iss >> particle->max_dispersion;
+            }
+            else if (command == "gravity")
+            {
+                iss >> particle->gravity_min >> particle->gravity_max;
+            }
+            else if (command == "lifetime")
+            {
+                iss >> particle->lifetime_min >> particle->lifetime_max;
+            }
+            else if (command == "fadetime")
+            {
+                iss >> particle->fadetime_min >> particle->fadetime_max;
+            }
+
+        }
+        else
+        {
+            throw std::runtime_error("Unknown or unexpected command in effect: " + command);
+        }
+    });
+
+    return fx;
+}

src/assets/effect.hpp

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <vector>
+
+#include "gfx/texture.hpp"
+#include "audio/sound.hpp"
+
+namespace assets
+{
+
+enum ParticleBlendType
+{
+    PTB_NONE,
+    PTB_BLEND_NORMAL,
+    PTB_BLEND_ADDITIVE,
+};
+
+struct ParticleDef
+{
+    std::shared_ptr<const gfx::Texture> texture;
+    ParticleBlendType blend = PTB_NONE;
+    float size_min = 1.0f;
+    float size_max = 1.0f;
+    size_t count_min = 1;
+    size_t count_max = 1;
+    float velocity_min = 1.0f;
+    float velocity_max = 1.0f;
+    float max_dispersion = 0.0f;
+    float gravity_min = 1.0f;
+    float gravity_max = 1.0f;
+    float lifetime_min = 1.0f;
+    float lifetime_max = 1.0f;
+    float fadetime_min = 1.0f;
+    float fadetime_max = 1.0f;
+};
+
+class Effect
+{
+public:
+    Effect() = default;
+    static std::shared_ptr<const Effect> LoadFromFile(const std::string& path);
+
+    const std::vector<ParticleDef>& GetParticleDefs() const { return particle_defs_; }
+    const std::vector<std::shared_ptr<const audio::Sound>>& GetSounds() const { return sounds_; }
+
+private:
+
+    std::vector<ParticleDef> particle_defs_;
+    std::vector<std::shared_ptr<const audio::Sound>> sounds_;
+
+};
+
+
+
+}

src/assets/item.cpp

@@ -0,0 +1,169 @@
+#include "item.hpp"
+
+#include "cache.hpp"
+#include "cmdfile.hpp"
+
+std::shared_ptr<assets::Item> assets::Item::LoadFromFile(const std::string& path)
+{
+    auto item = std::make_shared<Item>();
+
+    LoadCMDFile(path, [&](const std::string& command, std::istringstream& iss) {
+        if (command == "type")
+        {
+            std::string type_str;
+            iss >> type_str;
+
+            if (type_str == "consumable")
+                item->type = ITEM_CONSUMABLE;
+            else if (type_str == "weapon")
+                item->type = ITEM_WEAPON;
+            else
+                throw std::runtime_error("Unknown item type " + type_str);
+        }
+        else if (command == "name")
+        {
+            iss >> item->name;
+        }
+        else if (command == "displayname")
+        {
+            item->displayname = ParseString(iss);
+        }
+        else if (command == "anim")
+        {
+            std::string anim_type, anim_name;
+            iss >> anim_type >> anim_name;
+
+            if (anim_type == "idle")
+                item->idle_anim = anim_name;
+            else if (anim_type == "raise")
+                item->raise_anim = anim_name;
+            else if (anim_type == "use" || anim_type == "fire")
+                item->use_anim = anim_name;
+            else if (anim_type == "aim")
+                item->aim_anim = anim_name;
+            else if (anim_type == "aiming")
+                item->aiming_anim = anim_name;
+            else if (anim_type == "reload")
+                item->reload_anim = anim_name;
+            else if (anim_type == "legs")
+                item->legs_anim = anim_name;
+            else
+                throw std::runtime_error("Unknown item anim type " + anim_type);
+        }
+        else if (command == "model")
+        {
+            iss >> item->model_name;
+            item->model = CacheManager::GetModel("data/" + item->model_name + ".mdl");    
+        }
+        else if (command == "attach")
+        {
+            std::string target;
+            iss >> target;
+
+            if (target == "loc")
+            {
+                std::string sk_name, loc_name;
+                iss >> sk_name >> loc_name;
+                
+                auto sk = assets::CacheManager::GetSkeleton("data/" + sk_name + ".sk");
+                auto loc = sk->GetLocation(loc_name);
+                if (!loc)
+                    throw std::runtime_error("Invalid skeleton location: " + loc_name);
+
+                item->bone = loc->bone_name;
+                item->bone_offset = loc->offset;
+            }
+            else
+            {
+                item->bone = target;
+                glm::vec3 position;
+                glm::vec3 angles;
+                iss >> position.x >> position.y >> position.z >> angles.x >> angles.y >> angles.z;
+    
+                item->bone_offset.position = position;
+                item->bone_offset.rotation = glm::quat(glm::radians(angles));
+            }
+
+            // ParseTransform(iss, item->bone_offset);
+        }
+        else if (command == "weapontype")
+        {
+            std::string type_str;
+            iss >> type_str;
+
+            if (type_str == "manual")
+                item->weapon_type = WEAPON_MANUAL;
+            else if (type_str == "semiauto")
+                item->weapon_type = WEAPON_SEMIAUTO;
+            else if (type_str == "auto")
+                item->weapon_type = WEAPON_AUTO;
+            else
+                throw std::runtime_error("Unknown weapon type " + type_str);
+        }
+        else if (command == "firetype")
+        {
+            std::string type_str;
+            iss >> type_str;   
+
+            if (type_str == "melee")
+                item->fire_type = FIRETYPE_MELEE;
+            else if (type_str == "bullet")
+                item->fire_type = FIRETYPE_BULLET;
+            else if (type_str == "projectile")
+                item->fire_type = FIRETYPE_PROJECTILE;
+            else
+                throw std::runtime_error("Unknown weapon type: " + type_str);
+        }
+        else if (command == "ammotype")
+        {
+            iss >> item->ammo_type;
+        }
+        else if (command == "clipsize")
+        {
+            iss >> item->clip_size;
+        }
+        else if (command == "firedelay")
+        {
+            iss >> item->fire_delay;
+        }
+        else if (command == "firesnd")
+        {
+            iss >> item->fire_snd;
+        }
+        else if (command == "firefx")
+        {
+            iss >> item->fire_fx >> item->fire_fx_loc;
+        }
+        else if (command == "dispersion")
+        {
+            iss >> item->dispersion_min >> item->dispersion_max >> item->dispersion_shot >> item->dispersion_decay;
+        }
+        else if (command == "slot")
+        {
+            iss >> item->slot;
+        }
+        else if (command == "twohanded")
+        {
+            item->twohanded = true;
+        }
+        else if (command == "walkspeedmult")
+        {
+            iss >> item->walk_speed_mult;
+        }
+        else if (command == "damage")
+        {
+            iss >> item->damage;
+        }
+        else
+        {
+            throw std::runtime_error("Unknown item command: " + command);
+        }
+    });
+
+    if (item->displayname.empty())
+    {
+        item->displayname = item->name;
+    }
+    
+    return item;
+}

src/assets/item.hpp

@@ -0,0 +1,90 @@
+#pragma once
+
+#include <map>
+
+#include "model.hpp"
+
+namespace assets
+{
+
+enum ItemType
+{
+    ITEM_NONE,
+    ITEM_WEAPON,
+    ITEM_CONSUMABLE,
+};
+
+enum ItemAimType
+{
+    AIMTYPE_NONE,
+    AIMTYPE_AIM,
+    AIMTYPE_SCOPE,
+
+};
+
+enum WeaponType
+{
+    WEAPON_MANUAL,
+    WEAPON_SEMIAUTO,
+    WEAPON_AUTO,
+};
+
+enum WeaponFireType
+{
+    FIRETYPE_MELEE,
+    FIRETYPE_BULLET,
+    FIRETYPE_PROJECTILE,
+};
+
+struct Item
+{
+    ItemType type = ITEM_NONE;
+    std::string name;
+    std::string displayname;
+
+    size_t slot = 0;
+
+    std::string model_name;
+    std::shared_ptr<const assets::Model> model;
+    
+    std::string bone;
+    Transform bone_offset;
+
+    bool twohanded = false;
+
+    float walk_speed_mult = 1.0f;
+
+    std::string legs_anim;
+    std::string raise_anim;
+    std::string idle_anim;
+    std::string use_anim; // use or fire
+    
+    // consumable
+    std::string action;
+
+    // weapon
+    WeaponType weapon_type = WEAPON_MANUAL;
+    WeaponFireType fire_type = FIRETYPE_MELEE;
+    std::string ammo_type;
+    size_t clip_size = 0;
+    size_t fire_delay = 0;
+    float dispersion_min = 0.0f;
+    float dispersion_max = 0.0f;
+    float dispersion_shot = 0.0f;
+    float dispersion_decay = 1.0f;
+    float damage = 1.0f;
+
+    std::string aim_anim;
+    std::string aiming_anim;
+    std::string reload_anim;
+
+    std::string fire_snd;
+    std::string fire_fx;
+    std::string fire_fx_loc;
+
+    static std::shared_ptr<Item> LoadFromFile(const std::string& path);
+};
+
+
+
+}

src/assets/model.cpp

@@ -5,6 +5,30 @@
 
 #include <BulletCollision/CollisionShapes/btShapeHull.h>
 
+static collision::Material GetMaterialByName(const std::string& name)
+{
+    if (name == "stone")
+        return collision::PM_STONE;
+    else if (name == "dirt")
+        return collision::PM_DIRT;
+    else if (name == "grass")
+        return collision::PM_GRASS;
+    else if (name == "wood")
+        return collision::PM_WOOD;
+    else if (name == "metal")
+        return collision::PM_METAL;
+    else if (name == "glass")
+        return collision::PM_GLASS;
+    else if (name == "flesh")
+        return collision::PM_FLESH;
+    else if (name == "car") // TODO: make new material for cars
+        return collision::PM_METAL;
+    else if (name == "carwindow")
+        return collision::PM_NONE;
+    else
+        return collision::PM_STONE;
+}
+
 std::shared_ptr<const assets::Model> assets::Model::LoadFromFile(const std::string& filename)
 {
     auto model = std::make_shared<Model>();
@@ -15,6 +39,8 @@ std::shared_ptr<const assets::Model> assets::Model::LoadFromFile(const std::stri
     std::unique_ptr<btConvexHullShape> temp_hull;
     std::unique_ptr<btCompoundShape> compound;
 
+    collision::Material col_material = collision::PM_NONE;
+
     LoadCMDFile(filename, [&](const std::string& command, std::istringstream& iss) {
         if (command == "v")
         {
@@ -199,6 +225,28 @@ std::shared_ptr<const assets::Model> assets::Model::LoadFromFile(const std::stri
             iss >> key >> val;
             model->params_[key] = val;
         }
+        else if (command == "pm")
+        {
+            std::string pm_name;
+            iss >> pm_name;
+
+            if (model->cmesh_)
+            {
+                model->cmesh_->BeginMaterial(GetMaterialByName(pm_name));
+            }
+        }
+        else if (command == "cpm")
+        {
+            std::string pm_name;
+            iss >> pm_name;
+            col_material = GetMaterialByName(pm_name);
+        }
+        else if (command == "loc")
+        {
+            std::string loc_name;
+            iss >> loc_name;
+            ParseTransform(iss, model->locations_[loc_name]);
+        }
         else
         {
             throw std::runtime_error("Unknown command in model file: " + command);
@@ -229,6 +277,13 @@ std::shared_ptr<const assets::Model> assets::Model::LoadFromFile(const std::stri
         model->cshape_ = std::move(compound);
     }
 
+    if (model->cshape_)
+    {
+        collision::SetShapeMaterial(*model->cshape_, col_material);
+        if (col_material != collision::PM_NONE)
+            model->cshape_is_bullet_target_ = true;
+    }
+
     return model;
 }
 
@@ -257,3 +312,12 @@ bool assets::Model::GetParamFloat(const std::string& key, float& out) const
 
     return true;
 }
+
+const Transform* assets::Model::GetLocation(const std::string& key) const
+{
+    auto it = locations_.find(key);
+    if (it == locations_.end())
+        return nullptr;
+
+    return &it->second;
+}

src/assets/model.hpp

@@ -45,6 +45,7 @@ public:
     const glm::vec3& GetColOffset() const { return col_offset_; }
     const collision::TriangleMesh* GetColMesh() const { return cmesh_.get(); }
     btCollisionShape* GetColShape() const { return cshape_.get(); }
+    bool IsColShapeBulletTarget() const { return cshape_is_bullet_target_; }
 
     const std::shared_ptr<const Skeleton>& GetSkeleton() const { return skeleton_; }
     CLIENT_ONLY(const std::shared_ptr<const Mesh>& GetMesh() const { return mesh_; })
@@ -53,6 +54,8 @@ public:
     const std::string* GetParam(const std::string& key) const;
     bool GetParamFloat(const std::string& key, float& out) const;
     
+    const Transform* GetLocation(const std::string& key) const;
+    
 private:
     std::string name_;
     glm::vec3 col_offset_ = glm::vec3(0.0f);
@@ -60,12 +63,14 @@ private:
     // std::vector<ModelCollisionShape> cshapes_;
     std::vector<std::unique_ptr<btCollisionShape>> subshapes_;
     std::unique_ptr<btCollisionShape> cshape_;
+    bool cshape_is_bullet_target_ = false;
 
     std::shared_ptr<const Skeleton> skeleton_;
     CLIENT_ONLY(std::shared_ptr<const Mesh> mesh_;);
     AABB3 aabb_;
 
     std::map<std::string, std::string> params_;
+    std::map<std::string, Transform> locations_;
 
 };
 

src/assets/skeleton.cpp

@@ -1,6 +1,7 @@
 #include "skeleton.hpp"
 
 #include "cmdfile.hpp"
+#include "collision/shape_info.hpp"
 
 #include <stdexcept>
 
@@ -38,8 +39,49 @@ std::shared_ptr<const assets::Skeleton> assets::Skeleton::LoadFromFile(const std
                 Animation::LoadFromFile("data/" + anim_filename + ".anim", skeleton.get());
             skeleton->AddAnimation(anim_name, anim);
         }
+        else if (command == "hitbone")
+        {
+            auto& hitbone = skeleton->hit_bones_.emplace_back();
+
+            std::string shape_name, bone_name;
+            float sy, sz;
+            iss >> hitbone.name >> bone_name >> shape_name;
+            ParseTransform(iss, hitbone.offset);
+            iss >> sy >> sz;
+
+            int bone_idx = skeleton->GetBoneIndex(bone_name);
+            hitbone.bone_idx = bone_idx >= 0 ? bone_idx : 0; 
+
+            glm::vec3 shape_size(hitbone.offset.scale, sy, sz);
+            hitbone.offset.scale = 1.0f;
+
+            if (shape_name == "capsule")
+            {
+                hitbone.col_shape = std::make_unique<btCapsuleShapeZ>(shape_size.x, shape_size.z); // TODO: check dimenmsions
+            }
+            else
+            {
+                throw std::runtime_error("Unknown hitbone shape: " + shape_name);
+            }
+
+            collision::SetShapeMaterial(*hitbone.col_shape, collision::PM_FLESH);
+        }
+        else if (command == "loc")
+        {
+            std::string loc_name, bone_name;
+            iss >> loc_name >> bone_name;
+
+            auto& loc = skeleton->locations_[loc_name];
+            ParseTransform(iss, loc.offset);
+
+            loc.bone_name = bone_name;
+            int bone_idx = skeleton->GetBoneIndex(bone_name);
+            loc.bone_idx = bone_idx >= 0 ? bone_idx : 0; 
+        }
     });
 
+    skeleton->AddAimBones();
+
     return skeleton;
 }
 
@@ -77,6 +119,15 @@ const assets::Animation* assets::Skeleton::GetAnimation(const std::string& name)
     return GetAnimation(GetAnimationIdx(name));
 }
 
+const assets::SkeletonLocation* assets::Skeleton::GetLocation(const std::string& name) const
+{
+    auto it = locations_.find(name);
+    if (it == locations_.end())
+        return nullptr;
+
+    return &it->second;
+}
+
 void assets::Skeleton::AddBone(const std::string& name, const std::string& parent_name, const Transform& transform)
 {
     int index = static_cast<int>(bones_.size());
@@ -95,3 +146,29 @@ void assets::Skeleton::AddAnimation(const std::string& name, const std::shared_p
     anim_idxs_[name] = anims_.size();
     anims_.push_back(anim);
 }
+
+void assets::Skeleton::AddAimBones()
+{
+    AddAimBone("DEF-spine.002", 1.0f, glm::vec3(0.0f, 1.0f, 0.0f), 0.0f, glm::vec3(0.0f));
+    AddAimBone("spine_fk.002", 1.0f, glm::vec3(0.0f, 0.0f, 1.0f), 0.0f, glm::vec3(0.0f));
+
+    AddAimBone("DEF-spine.002", 0.0f, glm::vec3(0.0f), 0.5f, glm::vec3(1.0f, 0.0f, 0.0f));
+    AddAimBone("MCH-spine.002", 0.0f, glm::vec3(0.0f), 0.5f, glm::vec3(1.0f, 0.0f, 0.0f));
+    AddAimBone("DEF-spine.003", 0.0f, glm::vec3(0.0f), 0.5f, glm::vec3(1.0f, 0.0f, 0.0f));
+    AddAimBone("MCH-spine.003", 0.0f, glm::vec3(0.0f), 0.5f, glm::vec3(1.0f, 0.0f, 0.0f));
+}
+
+void assets::Skeleton::AddAimBone(const std::string& name, float yaw_weight, const glm::vec3& yaw_axis, float pitch_weight, const glm::vec3& pitch_axis)
+{
+    auto idx = GetBoneIndex(name);
+    if (idx < 0)
+        return;
+
+    AimBone aimbone{};
+    aimbone.idx = idx;
+    aimbone.yaw_weight = yaw_weight;
+    aimbone.yaw_axis = yaw_axis;
+    aimbone.pitch_weight = pitch_weight;
+    aimbone.pitch_axis = pitch_axis;
+    aim_bones_.emplace_back(aimbone);
+}

src/assets/skeleton.hpp

@@ -22,6 +22,30 @@ struct Bone
 using AnimIdx = uint8_t;
 constexpr AnimIdx NO_ANIM = 255;
 
+struct AimBone
+{
+    size_t idx;
+    float yaw_weight;
+    glm::vec3 yaw_axis;
+    float pitch_weight;
+    glm::vec3 pitch_axis;
+};
+
+struct HitBone
+{
+    size_t bone_idx = 0;
+    std::string name;
+    Transform offset;
+    std::unique_ptr<btCollisionShape> col_shape;
+};
+
+struct SkeletonLocation
+{
+    size_t bone_idx = 0;
+    std::string bone_name;
+    Transform offset;
+};
+
 class Skeleton
 {
 public:
@@ -37,16 +61,28 @@ public:
     const Animation* GetAnimation(AnimIdx idx) const;
     const Animation* GetAnimation(const std::string& name) const;
 
+    const std::vector<AimBone>& GetAimBones() const { return aim_bones_; }
+    const std::vector<HitBone>& GetHitBones() const { return hit_bones_; }
+    const SkeletonLocation* GetLocation(const std::string& name) const;
+
 private:
     void AddBone(const std::string& name, const std::string& parent_name, const Transform& transform);
     void AddAnimation(const std::string& name, const std::shared_ptr<const Animation>& anim);
 
+    void AddAimBones();
+    void AddAimBone(const std::string& name, float yaw_weight, const glm::vec3& yaw_axis, float pitch_weight, const glm::vec3& pitch_axis);
+
 private:
+    std::string name_;
     std::vector<Bone> bones_;
     std::map<std::string, int> bone_map_;
 
     std::vector<std::shared_ptr<const Animation>> anims_;
     std::map<std::string, AnimIdx> anim_idxs_;
+
+    std::vector<AimBone> aim_bones_;
+    std::vector<HitBone> hit_bones_;
+    std::map<std::string, SkeletonLocation> locations_;
 };
 
 } // namespace assets

src/audio/player.cpp

@@ -3,10 +3,10 @@
 audio::Player::Player(Master& master) : master_(master) {}
 
 audio::SoundSource* audio::Player::PlaySound(const std::shared_ptr<const Sound>& sound,
-                                             const glm::vec3* attach_position)
+                                             const game::TransformNode* attach_node)
 {
     SoundSource* source = new SoundSource(this, sound);
-    source->AttachToPosition(attach_position);
+    source->AttachToNode(attach_node);
 
     return source;
 }

src/audio/player.hpp

@@ -14,7 +14,7 @@ public:
     Player(Master& master);
     DELETE_COPY_MOVE(Player)
 
-    SoundSource* PlaySound(const std::shared_ptr<const Sound>& sound, const glm::vec3* attach_position);
+    SoundSource* PlaySound(const std::shared_ptr<const Sound>& sound, const game::TransformNode* attach_node);
 
     void Update();
 

src/audio/source.cpp

@@ -47,12 +47,11 @@ void audio::Source::SetVelocity(const glm::vec3& velocity)
     alSource3f(source_, AL_VELOCITY, velocity.x, velocity.y, velocity.z);
 }
 
-void audio::Source::AttachToPosition(const glm::vec3* position)
+void audio::Source::AttachToNode(const game::TransformNode* node)
 {
-    attach_position_ = position;
+    attach_node_ = node;
-    if (attach_position_)
+    if (attach_node_)
-        SetPosition(*attach_position_);
+        SetPosition(attach_node_->GetGlobalPosition());
-    // TsrDebugf(DML_2, "Attached source %p to position %p\n", this, position);
 }
 
 void audio::Source::SetRelativeToListener(bool relative)
@@ -71,8 +70,8 @@ void audio::Source::SetRelativeToListener(bool relative)
 
 void audio::Source::Update()
 {
-    if (attach_position_)
+    if (attach_node_)
-        SetPosition(*attach_position_);
+        SetPosition(attach_node_->GetGlobalPosition());
 }
 
 void audio::Source::Delete()

src/audio/source.hpp

@@ -3,6 +3,8 @@
 #include "master.hpp"
 #include <memory>
 
+#include "game/transform_node.hpp"
+
 namespace audio
 {
 
@@ -24,7 +26,7 @@ public:
 
     void SetPosition(const glm::vec3& position);
     void SetVelocity(const glm::vec3& velocity);
-    void AttachToPosition(const glm::vec3* position);
+    void AttachToNode(const game::TransformNode* node);
     void SetRelativeToListener(bool relative);
 
     virtual void SetLooping(bool looping) = 0;
@@ -45,7 +47,7 @@ protected:
 
     unsigned int source_ = 0;
 
-    const glm::vec3* attach_position_ = nullptr;
+    const game::TransformNode* attach_node_ = nullptr;
     bool should_play_ = true; // auto play when created
     bool finished_ = false;
     bool delete_on_finish_ = true; // auto delete when finished

src/client/main.cpp

@@ -157,6 +157,18 @@ static const std::map<SDL_Scancode, game::PlayerInputType> s_inputmap = {
     { SDL_SCANCODE_LSHIFT, game::IN_SPRINT },
     { SDL_SCANCODE_LCTRL, game::IN_CROUCH },
     { SDL_SCANCODE_E, game::IN_USE },
+    { SDL_SCANCODE_Q, game::IN_HOLSTER },
+    { SDL_SCANCODE_R, game::IN_RELOAD },
+    { SDL_SCANCODE_1, game::IN_WEAPON_1 },
+    { SDL_SCANCODE_2, game::IN_WEAPON_2 },
+    { SDL_SCANCODE_3, game::IN_WEAPON_3 },
+    { SDL_SCANCODE_4, game::IN_WEAPON_4 },
+    { SDL_SCANCODE_5, game::IN_WEAPON_5 },
+    { SDL_SCANCODE_6, game::IN_WEAPON_6 },
+    { SDL_SCANCODE_7, game::IN_WEAPON_7 },
+    { SDL_SCANCODE_8, game::IN_WEAPON_8 },
+    { SDL_SCANCODE_9, game::IN_WEAPON_9 },
+    { SDL_SCANCODE_0, game::IN_WEAPON_0 },
     { SDL_SCANCODE_F3, game::IN_DEBUG1 },
     { SDL_SCANCODE_F4, game::IN_DEBUG2 },
     { SDL_SCANCODE_F5, game::IN_DEBUG3 },
@@ -196,6 +208,20 @@ static void PollEvents()
             }
             break;
 
+        case SDL_MOUSEBUTTONDOWN:
+        case SDL_MOUSEBUTTONUP:
+            {
+                if (event.button.button == SDL_BUTTON_LEFT)
+                {
+                    s_app->Input(game::IN_ATTACK_PRIMARY, event.button.state == SDL_PRESSED, false);
+                }
+                else if (event.button.button == SDL_BUTTON_RIGHT)
+                {
+                    s_app->Input(game::IN_ATTACK_SECONDARY, event.button.state == SDL_PRESSED, false);
+                }
+            }
+            break;
+
         }
         
     }
@@ -363,16 +389,6 @@ static void Frame()
 	SDL_GetWindowSize(s_window, &width, &height);
 	s_app->SetViewportSize(width, height);
 
-	game::PlayerInputFlags input = 0;
-	const uint8_t* kbd_state = SDL_GetKeyboardState(nullptr);
-    
-
-
-	int mouse_state = SDL_GetMouseState(nullptr, nullptr);
-
-	if (mouse_state & SDL_BUTTON(SDL_BUTTON_LEFT))
-		input |= (1 << game::IN_ATTACK);
-
     s_app->Frame();
 
     auto session = s_app->GetSession();

src/collision/dynamicsworld.cpp

@@ -10,3 +10,30 @@ collision::DynamicsWorld::DynamicsWorld()
 
     bt_broadphase_.getOverlappingPairCache()->setInternalGhostPairCallback(&bt_ghost_pair_cb_);
 }
+
+glm::vec3 collision::DynamicsWorld::CameraSweep(const glm::vec3& start, const glm::vec3& end)
+{
+    const auto& bt_world = GetBtWorld();
+
+    static const btSphereShape shape(0.1f);
+
+    btVector3 bt_start(start.x, start.y, start.z);
+    btVector3 bt_end(end.x, end.y, end.z);
+
+    btTransform from, to;
+    from.setIdentity();
+    from.setOrigin(bt_start);
+    to.setIdentity();
+    to.setOrigin(bt_end);
+
+    btCollisionWorld::ClosestConvexResultCallback cb(bt_start, bt_end);
+    cb.m_collisionFilterGroup = btBroadphaseProxy::DefaultFilter;
+    cb.m_collisionFilterMask = btBroadphaseProxy::StaticFilter;
+
+    bt_world.convexSweepTest(&shape, from, to, cb);
+
+    if (!cb.hasHit())
+        return end;
+
+    return glm::mix(start, end, cb.m_closestHitFraction);
+}

src/collision/dynamicsworld.hpp

@@ -15,6 +15,8 @@ class DynamicsWorld
 public:
     DynamicsWorld();
     
+    glm::vec3 CameraSweep(const glm::vec3& start, const glm::vec3& end);
+
     btDynamicsWorld& GetBtWorld() { return bt_world_; }
     const btDynamicsWorld& GetBtWorld() const { return bt_world_; }
     btDbvtBroadphase& GetBtBroadphase() { return bt_broadphase_; }

src/collision/object_info.hpp

@@ -3,9 +3,31 @@
 #include <cstdint>
 #include <btBulletDynamicsCommon.h>
 
+namespace game
+{
+    struct DamageInfo;
+    class HumanCharacter;
+}
+
 namespace collision
 {
 
+enum ObjectGroup : int
+{
+    OG_DEFAULT = btBroadphaseProxy::DefaultFilter,
+    OG_STATIC = btBroadphaseProxy::StaticFilter,
+    OG_KINEMATIC = btBroadphaseProxy::KinematicFilter,
+    OG_DEBRIS = btBroadphaseProxy::DebrisFilter,
+    OG_SENSOR = btBroadphaseProxy::SensorTrigger,
+    OG_CHARACTER = btBroadphaseProxy::CharacterFilter,
+
+    OG_PROJECTILE = 64,
+    OG_HITBONES_PROXY = 128,
+        
+    OG_ALL = -1,
+
+};
+
 enum ObjectType : int
 {
     OT_UNDEFINED,
@@ -21,6 +43,7 @@ enum ObjectFlag : ObjectFlags
     OF_NOTIFY_CONTACT = 2,
     OF_USABLE = 4,
     OF_DESTRUCTING = 8,
+    OF_CRASH_DAMAGE = 16,
 };
 
 struct ContactInfo
@@ -35,7 +58,12 @@ class ObjectCallback
 public:
     ObjectCallback() = default;
 
+    virtual void ActivateHitBones() {}
+    
     virtual void OnContact(const ContactInfo& info) {}
+    virtual void ReceiveDamage(const game::DamageInfo& damage) {}
+    
+    virtual game::HumanCharacter* GetResponsibleCharacter() { return nullptr; }
 
     virtual ~ObjectCallback() = default;
 };
@@ -52,11 +80,27 @@ inline void AddObjectFlags(btCollisionObject* obj, ObjectFlags flags)
     obj->setUserIndex2(static_cast<int>(static_cast<ObjectFlags>(obj->getUserIndex2())) | flags);
 }
 
+inline ObjectType GetObjectType(const btCollisionObject* obj)
+{
+    return static_cast<ObjectType>(obj->getUserIndex());
+}
+
+inline ObjectFlags GetObjectFlags(const btCollisionObject* obj)
+{
+    return static_cast<ObjectFlags>(obj->getUserIndex2());
+}
+
+inline ObjectCallback* GetObjectCallback(const btCollisionObject* obj)
+{
+    return static_cast<ObjectCallback*>(obj->getUserPointer());
+}
+
+// legacy
 inline void GetObjectInfo(const btCollisionObject* obj, ObjectType& type, ObjectFlags& flags, ObjectCallback*& callback)
 {
-    type = static_cast<ObjectType>(obj->getUserIndex());
+    type = GetObjectType(obj);
-    flags = static_cast<ObjectFlags>(obj->getUserIndex2());
+    flags = GetObjectFlags(obj);
-    callback = static_cast<ObjectCallback*>(obj->getUserPointer());
+    callback = GetObjectCallback(obj);
 }
 
 }

src/collision/shape_info.hpp

@@ -0,0 +1,48 @@
+#pragma once
+
+#include <cstdint>
+#include <btBulletDynamicsCommon.h>
+#include <span>
+
+namespace collision
+{
+
+enum Material : uint8_t
+{
+    PM_NONE,
+    PM_STONE,
+    PM_DIRT,
+    PM_GRASS,
+    PM_WOOD,
+    PM_METAL,
+    PM_GLASS,
+    PM_PLASTIC,
+    PM_FLESH,
+};
+
+struct ShapeInfo
+{
+    std::span<Material> triangle_materials; 
+};
+
+inline void SetShapeMaterial(btCollisionShape& shape, Material material)
+{
+    shape.setUserIndex(material);
+}
+
+inline Material GetShapeMaterial(const btCollisionShape& shape)
+{
+    return static_cast<Material>(shape.getUserIndex());
+}
+
+inline void SetShapeInfo(btCollisionShape& shape, const ShapeInfo* info)
+{
+    shape.setUserPointer(const_cast<ShapeInfo*>(info));
+}
+
+inline const ShapeInfo* GetShapeInfo(const btCollisionShape& shape)
+{
+    return reinterpret_cast<ShapeInfo*>(shape.getUserPointer());
+}
+
+}

src/collision/trianglemesh.cpp

@@ -2,19 +2,29 @@
 
 collision::TriangleMesh::TriangleMesh()
 {
+}
 
+void collision::TriangleMesh::BeginMaterial(Material material)
+{
+	current_material_ = material;
 }
 
 void collision::TriangleMesh::AddTriangle(const glm::vec3& v0, const glm::vec3& v1, const glm::vec3& v2)
 {
+	if (current_material_ == PM_NONE)
+		return;
+
 	btVector3 bt_v0(v0.x, v0.y, v0.z);
 	btVector3 bt_v1(v1.x, v1.y, v1.z);
 	btVector3 bt_v2(v2.x, v2.y, v2.z);
 	bt_mesh_.addTriangle(bt_v0, bt_v1, bt_v2, false);
+	tri_materials_.push_back(current_material_);
 }
 
 void collision::TriangleMesh::Build()
 {
 	bt_shape_ = std::make_unique<btBvhTriangleMeshShape>(&bt_mesh_, true, true);
 
+	shape_info_.triangle_materials = tri_materials_;
+	SetShapeInfo(*bt_shape_, &shape_info_);
 }

src/collision/trianglemesh.hpp

@@ -1,26 +1,36 @@
 #pragma once
 
-#include <vector>
-#include <span>
-#include <glm/glm.hpp>
-
 #include <memory>
+#include <span>
+#include <vector>
 
 #include <btBulletCollisionCommon.h>
+#include <glm/glm.hpp>
+
+#include "shape_info.hpp"
+#include "utils/defs.hpp"
 
 namespace collision
 {
+
 class TriangleMesh
 {
-		btTriangleMesh bt_mesh_;
-		std::unique_ptr<btBvhTriangleMeshShape> bt_shape_;
-
 public:
     TriangleMesh();
+    DELETE_COPY_MOVE(TriangleMesh)
 
+    void BeginMaterial(Material material);
     void AddTriangle(const glm::vec3& v0, const glm::vec3& v1, const glm::vec3& v2);
     void Build();
 
     btBvhTriangleMeshShape* GetShape() const { return bt_shape_.get(); }
+
+private:
+    Material current_material_ = PM_NONE;
+    btTriangleMesh bt_mesh_;
+    std::unique_ptr<btBvhTriangleMeshShape> bt_shape_;
+    std::vector<Material> tri_materials_;
+    ShapeInfo shape_info_;
 };
-}
+
+} // namespace collision

src/game/animal.cpp

@@ -2,6 +2,7 @@
 
 #include "player_character.hpp"
 #include "input_mapping.hpp"
+#include "utils/random.hpp"
 
 game::Animal::Animal(World& world, const CharacterTuning& tuning, const glm::vec3& position, float yaw)
     : Character(world, tuning), Usable(root_.matrix), Rideable(*this, RIDEABLE_ANIMAL)
@@ -9,10 +10,25 @@ game::Animal::Animal(World& world, const CharacterTuning& tuning, const glm::vec
     SetPosition(position);
     SetYaw(yaw);
     EnablePhysics(true);
+    SetMovementType(CMT_TURN);
 
     collision::AddObjectFlags(&GetController()->GetBtGhost(), collision::OF_USABLE);
 }
 
+void game::Animal::Update()
+{
+    Think();
+    just_hit_ = false;
+    Super::Update();
+}
+
+void game::Animal::ReceiveDamage(const DamageInfo& damage)
+{
+    Super::ReceiveDamage(damage);
+    just_hit_ = true;
+    hit_from_ = damage.from_pos;
+}
+
 bool game::Animal::QueryUseTarget(PlayerCharacter& character, uint32_t target_id, UseTargetQueryResult& res)
 {
     if (character.GetRideable())
@@ -36,13 +52,19 @@ void game::Animal::Use(PlayerCharacter& character, uint32_t target_id)
 }
 
 void game::Animal::SetRideableInput(PlayerInputFlags in)
+{
+    if (think_state_ == ANIMAL_THINKSTATE_MOUNTED)
     {
         SetInputs(MapPlayerInputToCharacterInput(in));
     }
+}
 
-void game::Animal::SetRideableYaw(float yaw)
+void game::Animal::SetRideableViewAngles(float yaw, float pitch)
 {
-    SetForwardYaw(yaw);
+    if (think_state_ == ANIMAL_THINKSTATE_MOUNTED)
+    {
+        SetViewAngles(yaw, pitch);
+    }
 }
 
 void game::Animal::OnPassengerChanged(size_t seat_idx, HumanCharacter* passenger)
@@ -64,3 +86,170 @@ void game::Animal::AddAnimalSeat(const glm::vec3& offset)
     use_targets_.emplace_back(this, static_cast<uint32_t>(seat_idx), offset + glm::vec3(0.0f, 0.0f, 1.0f),
                               use_message_ + " (místo " + std::to_string(seat_idx + 1) + ")");
 }
+
+bool game::Animal::IsMounted() const
+{
+    return GetPassenger(0) != nullptr;
+}
+
+void game::Animal::ChangeDirection()
+{
+    auto yaw = GetViewYaw();
+    yaw += RandomFloat(-1.0f, 1.0f) * glm::half_pi<float>() * 0.5f;
+    yaw = glm::mod(yaw, glm::two_pi<float>());
+    SetViewAngles(yaw, 0.0f);
+}
+
+void game::Animal::TryMakeSound()
+{
+    auto time = GetWorld().GetTime();
+    if (time - last_sound_time_ < 3000)
+        return;
+
+    last_sound_time_ = time;
+    MakeSound();
+}
+
+void game::Animal::Think()
+{
+    while (true)
+    {
+        auto new_state = CheckThinkStateTransition();
+        if (new_state == think_state_)
+            break;
+
+        EnterThinkState(new_state);
+    }
+}
+
+static game::CharacterInputFlags GetRandomRoamInput()
+{
+    game::CharacterInputFlags in = 0;
+    auto dir_choice = RandomFloat(0.0f, 1.0f);
+
+    if (dir_choice < 0.4f)
+        in |= 1 << game::CIN_FORWARD;
+    else if (dir_choice < 0.6f)
+        in |= (1 << game::CIN_FORWARD) | (1 << game::CIN_RIGHT);
+    else if (dir_choice < 0.8f)
+        in |= (1 << game::CIN_FORWARD) | (1 << game::CIN_RIGHT);
+
+    return in;
+}
+
+static float GetAwayYaw(const glm::vec3& my_pos, const glm::vec3& enemy)
+{
+    auto away_dir = glm::normalize(glm::vec2(my_pos - enemy));
+    auto yaw = glm::atan(-away_dir.x, away_dir.y);
+    return yaw;
+}
+
+void game::Animal::EnterThinkState(AnimalThinkState state)
+{
+    think_state_ = state;
+    think_state_start_ = GetWorld().GetTime();
+
+    switch (state)
+    {
+    case ANIMAL_THINKSTATE_IDLE:
+        SetInputs(0);
+        break;
+
+    case ANIMAL_THINKSTATE_ROAM:
+        SetViewAngles(RandomFloat(0.0f, glm::two_pi<float>()), 0.0f);
+        SetInputs(GetRandomRoamInput());
+        SetWeightSpeedMult(0.3f);
+        break;
+
+    case ANIMAL_THINKSTATE_MOUNTED:
+        SetInputs(0);
+        SetWeightSpeedMult(1.0f);
+        break;
+        
+    case ANIMAL_THINKSTATE_HURT:
+        // SetInput(CIN_JUMP, true);
+        SetWeightSpeedMult(1.0f);
+        MakeHurtSound();
+        break;
+
+    case ANIMAL_THINKSTATE_RUN_AWAY:
+        SetWeightSpeedMult(1.0f);
+        SetInputs((1 << CIN_FORWARD) | (1 << CIN_SPRINT));
+        SetViewAngles(GetAwayYaw(root_.GetGlobalPosition(), hit_from_), 0.0f);
+        break;
+
+    default:
+        break;
+    }
+}
+
+game::AnimalThinkState game::Animal::CheckThinkStateTransition()
+{
+    switch (think_state_)
+    {
+    case ANIMAL_THINKSTATE_IDLE:
+        if (IsMounted())
+            return ANIMAL_THINKSTATE_MOUNTED;
+
+        if (just_hit_)
+            return ANIMAL_THINKSTATE_HURT;
+
+        if (ChanceAvgTime(5.0f) || GetCurrentThinkStateDuration() > 10000)
+            return ANIMAL_THINKSTATE_ROAM;
+
+        if (ChanceAvgTime(15.0f))
+            TryMakeSound();
+
+        return ANIMAL_THINKSTATE_IDLE;
+    
+    case ANIMAL_THINKSTATE_ROAM:
+        if (just_hit_)
+            return ANIMAL_THINKSTATE_HURT;
+    
+        if (ChanceAvgTime(5.0f) || GetCurrentThinkStateDuration() > 15000)
+            return ANIMAL_THINKSTATE_IDLE;
+        
+        if (ChanceAvgTime(1.0f))
+            ChangeDirection();
+
+        return ANIMAL_THINKSTATE_ROAM;
+    
+    case ANIMAL_THINKSTATE_MOUNTED:
+        if (!IsMounted())
+            return ANIMAL_THINKSTATE_IDLE;
+
+        if (just_hit_ && Chance(0.07f))
+            return ANIMAL_THINKSTATE_HURT;
+
+        return ANIMAL_THINKSTATE_MOUNTED;
+
+    case ANIMAL_THINKSTATE_HURT:
+        if (GetCurrentThinkStateDuration() > 0)
+            return ANIMAL_THINKSTATE_RUN_AWAY;
+            
+        return ANIMAL_THINKSTATE_HURT;
+
+    case ANIMAL_THINKSTATE_RUN_AWAY:
+        if (!IsMounted() && GetCurrentThinkStateDuration() > 4000 &&
+            (ChanceAvgTime(7.0f) || GetCurrentThinkStateDuration() > 9000))
+            return ANIMAL_THINKSTATE_ROAM;
+
+        if (IsMounted() && (ChanceAvgTime(1.0f) || GetCurrentThinkStateDuration() > 2000))
+            return ANIMAL_THINKSTATE_IDLE;
+
+        if (ChanceAvgTime(1.0f))
+            ChangeDirection();
+
+        return ANIMAL_THINKSTATE_RUN_AWAY;
+        
+    
+    default:
+        return ANIMAL_THINKSTATE_IDLE;
+    }
+
+}
+
+int64_t game::Animal::GetCurrentThinkStateDuration() const
+{
+    return GetWorld().GetTime() - think_state_start_;
+}

src/game/animal.hpp

@@ -7,25 +7,61 @@
 namespace game
 {
 
+enum AnimalThinkState
+{
+    ANIMAL_THINKSTATE_IDLE,
+    ANIMAL_THINKSTATE_ROAM,
+    ANIMAL_THINKSTATE_MOUNTED,
+    ANIMAL_THINKSTATE_HURT,
+    ANIMAL_THINKSTATE_RUN_AWAY,
+};
+
 class Animal : public Character, public Usable, public Rideable
 {
 public:
+    using Super = Character;
+
     Animal(World& world, const CharacterTuning& tuning, const glm::vec3& position, float yaw);
 
+    virtual void Update() override;
+
+    virtual void ReceiveDamage(const DamageInfo& damage) override;
+
     virtual bool QueryUseTarget(PlayerCharacter& character, uint32_t target_id, UseTargetQueryResult& res) override;
     virtual void Use(PlayerCharacter& character, uint32_t target_id) override;
 
     virtual void SetRideableInput(PlayerInputFlags in) override;
-    virtual void SetRideableYaw(float yaw) override;
+    virtual void SetRideableViewAngles(float yaw, float pitch) override;
 
 protected:
     virtual void OnPassengerChanged(size_t seat_idx, HumanCharacter* passenger) override;
     void SetUseMessage(const std::string& message);
     void AddAnimalSeat(const glm::vec3& offset);
 
+    virtual void MakeSound() {}
+    virtual void MakeHurtSound() {}
+
+private:
+    bool IsMounted() const;
+    void ChangeDirection();
+    void TryMakeSound();
+
+    void Think();
+    void EnterThinkState(AnimalThinkState state);
+    AnimalThinkState CheckThinkStateTransition();
+    int64_t GetCurrentThinkStateDuration() const;
+
 private:
     std::string use_message_;
 
+    AnimalThinkState think_state_ = ANIMAL_THINKSTATE_IDLE;
+    int64_t think_state_start_ = 0;
+    int64_t last_sound_time_ = 0;
+
+    bool just_hit_ = false;
+    // net::EntNum attacker_ = 0;
+    glm::vec3 hit_from_{};
+
 };
 
 }

src/game/camera_controller.cpp

@@ -0,0 +1,76 @@
+#include "camera_controller.hpp"
+
+#include "utils/math.hpp"
+
+void game::CameraController::SetViewAngles(float yaw, float pitch)
+{
+    yaw_ = yaw;
+    pitch_ = pitch;
+    // TODO: validate
+}
+
+static glm::vec3 TranslationFromMatrix(const glm::mat4& matrix)
+{
+    return matrix[3];
+}
+
+static glm::vec3 UpFromMatrix(const glm::mat4& matrix)
+{
+    return matrix[2];
+}
+
+void game::CameraController::Update(float time)
+{
+    // update aim factor
+    MoveToward(aim_factor_, aiming_ ? 1.0f : 0.0f, time * 3.0f);
+}
+
+void game::CameraController::Recalculate(collision::DynamicsWorld* world)
+{
+    float yaw_cos = glm::cos(yaw_);
+    float yaw_sin = glm::sin(yaw_);
+    float pitch_cos = glm::cos(pitch_);
+    float pitch_sin = glm::sin(pitch_);
+    forward_ = glm::vec3(-yaw_sin * pitch_cos, yaw_cos * pitch_cos, pitch_sin);
+    glm::vec3 right = glm::cross(forward_, glm::vec3(0.0f, 0.0f, 1.0f));
+
+    glm::vec3 start_noaim(0.0f);
+    glm::vec3 start_aim(0.0f);
+
+    float distance_noaim = 5.0f;
+    auto aim_end_offset = right * 0.4f - forward_ * 1.8f;
+
+    if (character_transform_)
+    {
+        auto up = UpFromMatrix(*character_transform_);
+        start_noaim = TranslationFromMatrix(*character_transform_) + up * 2.0f;
+        start_aim = start_noaim - up * 0.3f;
+    }
+
+    if (rideable_transform_)
+    {
+        start_noaim = TranslationFromMatrix(*rideable_transform_) + glm::vec3(0.0f, 0.0f, 2.0f);
+        distance_noaim = 8.0f;
+        aim_end_offset = right * 0.3f - forward_ * 4.5f + glm::vec3(0.0f, 0.0f, 0.8f);
+    }
+
+    glm::vec3 end_noaim = start_noaim - forward_ * distance_noaim; 
+    glm::vec3 end_aim = start_aim + aim_end_offset;
+
+    auto aim_factor_smooth = glm::smoothstep(0.0f, 1.0f, aim_factor_);
+    auto start = glm::mix(start_noaim, start_aim, aim_factor_smooth);
+    auto end = glm::mix(end_noaim, end_aim, aim_factor_smooth);
+
+    eye_ = end;
+
+    if (world)
+    {
+        // prevent penetration through static objects
+        eye_ = world->CameraSweep(start, end);
+    }
+}
+
+glm::mat4 game::CameraController::GetViewMatrix() const
+{
+    return glm::lookAt(eye_, eye_ + forward_, glm::vec3(0.0f, 0.0f, 1.0f));
+}

src/game/camera_controller.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#include "collision/dynamicsworld.hpp"
+
+namespace game
+{
+
+class CameraController
+{
+public:
+    CameraController() = default;
+
+    void SetCharacterTransform(const glm::mat4* transform) { character_transform_ = transform; }
+    void SetRideableTransform(const glm::mat4* transform) { rideable_transform_ = transform; }
+
+    void SetViewAngles(float yaw, float pitch);
+    float GetYaw() const { return yaw_; }
+    float GetPitch() const { return pitch_; }
+
+    void SetAiming(bool aiming) { aiming_ = aiming; }
+
+    void Update(float time);
+    void Recalculate(collision::DynamicsWorld* world);
+
+    const glm::vec3& GetEye() const { return eye_; }
+    const glm::vec3& GetForward() const { return forward_; }
+    glm::mat4 GetViewMatrix() const;
+    float GetAimFactor() const { return aim_factor_; }
+
+private:
+    const glm::mat4* character_transform_ = nullptr;
+    const glm::mat4* rideable_transform_ = nullptr;
+
+    float yaw_ = 0.0f;
+    float pitch_ = 0.0f;
+
+    bool aiming_ = false;
+    float aim_factor_ = 0.0f;
+
+    glm::vec3 eye_;
+    glm::vec3 forward_;
+
+};
+
+
+}

src/game/camera_info.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "net/defs.hpp"
+
+namespace game
+{
+
+using CameraFlags = uint8_t;
+enum CameraFlag : CameraFlags
+{
+    CAM_AIMING = 1,
+};
+
+struct CameraInfo
+{
+    net::EntNum character_entnum = 0;
+    net::EntNum rideable_entnum = 0;
+    CameraFlags flags = 0;
+};
+
+}

src/game/character.cpp

@@ -1,8 +1,13 @@
 #include "character.hpp"
+
+#include <format>
+
 #include "assets/cache.hpp"
 #include "net/utils.hpp"
 #include "utils/math.hpp"
 #include "world.hpp"
+#include "utils/random.hpp"
+
 
 game::Character::Character(World& world, const CharacterTuning& tuning)
     : Super(world, net::ET_CHARACTER), tuning_(tuning), bt_shape_(tuning_.shape.radius, tuning_.shape.height)
@@ -10,6 +15,7 @@ game::Character::Character(World& world, const CharacterTuning& tuning)
     z_offset_ = tuning_.shape.height * 0.5f + tuning_.shape.radius - 0.05f;
 
     sk_ = SkeletonInstance(assets::CacheManager::GetSkeleton("data/" + tuning.model_name + ".sk"), &root_);
+    SetupHitBones();
 }
 
 static bool Turn(float& angle, float target, float step)
@@ -36,9 +42,17 @@ void game::Character::Update()
 {
     Super::Update();
 
+    pose_valid_ = false;
+    hitbones_valid_ = false;
+
     SyncTransformFromController();
     UpdateMovement();
+    UpdateAiming();
+    UpdatePain();
+    UpdateAnimAngles();
+    UpdateActionAnim();
     root_.UpdateMatrix();
+    UpdateHitBones();
 
     sync_current_ = 1 - sync_current_;
     UpdateSyncState();
@@ -60,6 +74,9 @@ void game::Character::SendInitData(Player& player, net::OutMessage& msg) const
         net::WriteRGB(msg, clothes.color);
     }
 
+    // write item
+    msg.Write(net::ModelName(item_));
+
     // write state against default
     static const CharacterSyncState default_state;
     size_t fields_pos = msg.Reserve<CharacterSyncFieldFlags>();
@@ -67,6 +84,49 @@ void game::Character::SendInitData(Player& player, net::OutMessage& msg) const
     msg.WriteAt(fields_pos, fields);
 }
 
+void game::Character::ReceiveDamage(const DamageInfo& damage)
+{
+    Super::ReceiveDamage(damage);
+
+    if (!IsAlive())
+    {
+        return; // already ded
+    }
+
+    float actual_damage = damage.damage;
+
+    if (damage.type == DAMAGE_BULLET)
+    {
+        std::string_view hit_name;
+    
+        auto it = hitbone_names_.find(damage.hit_object);
+        if (it != hitbone_names_.end())
+        {
+            hit_name = it->second;
+        }
+
+        actual_damage *= GetHitBoneDamageMultiplier(hit_name);
+
+    }
+
+    health_ -= actual_damage;
+
+    // just died
+    if (health_ <= 0.0f)
+    {
+        health_ = 0.0f;
+        death_time_ = GetWorld().GetTime();
+
+        if (on_death_)
+            on_death_();
+    }
+
+    ApplyPain();
+
+    // std::string text = "au! " + std::string(hit_name);
+    // GetWorld().SendChat(text);
+}
+
 void game::Character::Attach(net::EntNum parentnum)
 {
     Super::Attach(parentnum);
@@ -89,6 +149,7 @@ void game::Character::EnablePhysics(bool enable)
     else if (!enable && controller_)
     {
         controller_.reset();
+        root_.local.rotation = glm::quat(); // reset rotation
     }
 }
 
@@ -100,12 +161,46 @@ void game::Character::SetInput(CharacterInputType type, bool enable)
         in_ &= ~(1 << type);
 }
 
+void game::Character::SetMovementType(CharacterMovementType type)
+{
+    movement_ = type;
+}
+
+void game::Character::SetViewAngles(float yaw, float pitch)
+{
+    view_yaw_ = yaw;
+    view_pitch_ = pitch;
+}
+
 void game::Character::SetPosition(const glm::vec3& position)
 {
     root_.local.position = position;
     SyncControllerTransform();
 }
 
+void game::Character::ActivateHitBones()
+{
+    Super::ActivateHitBones();
+    EnableHitBones(true);
+}
+
+void game::Character::FinalizeFrame()
+{
+    Super::FinalizeFrame();
+    pose_valid_ = false;
+    hitbones_valid_ = false;
+}
+
+int64_t game::Character::GetDeathTime() const
+{
+     return GetWorld().GetTime() - death_time_;
+}
+
+game::Character::~Character()
+{
+    DeleteHitBones();
+}
+
 void game::Character::SetIdleAnim(const std::string& anim_name)
 {
     animstate_.idle_anim_idx = GetAnim(anim_name);
@@ -121,6 +216,74 @@ void game::Character::SetRunAnim(const std::string& anim_name)
     animstate_.run_anim_idx = GetAnim(anim_name);
 }
 
+void game::Character::PlayActionAnim(assets::AnimIdx anim_idx, float speed)
+{
+    action_anim_end_ = (anim_idx != assets::NO_ANIM) ? sk_.GetSkeleton()->GetAnimation(anim_idx)->GetDuration() : 0.0f;
+
+    if (animstate_.action_anim_idx != anim_idx)
+    {
+        // continue from current time if same anim
+        animstate_.action_time = (speed > 0.0f) ? 0.0f : action_anim_end_;
+    }
+    animstate_.action_anim_idx = anim_idx;
+    action_anim_playback_speed_ = speed;
+    action_anim_done_ = anim_idx == assets::NO_ANIM;
+}
+
+void game::Character::PlayActionAnim(const std::string& anim_name, float speed)
+{
+    if (anim_name.empty())
+    {
+        ClearActionAnim();
+        return;
+    }
+
+    PlayActionAnim(GetAnim(anim_name), speed);
+}
+
+void game::Character::ClearActionAnim()
+{
+    PlayActionAnim(assets::NO_ANIM, 0.0f);
+}
+
+void game::Character::SetAimTarget(const glm::vec3& target)
+{
+    aim_target_ = target;
+}
+
+void game::Character::SetViewItem(const std::string& item_name)
+{
+    if (item_ == item_name)
+        return;
+
+    item_ = item_name;
+
+    auto msg = BeginEntMsg(net::EMSG_EQUIP);
+    msg.Write(net::ModelName(item_name));
+}
+
+void game::Character::SendFire()
+{
+    auto msg = BeginEntMsg(net::EMSG_FIRE);
+}
+
+void game::Character::ApplyPain()
+{
+    pain_pitch_ = glm::clamp(pain_pitch_ + RandomFloat(glm::radians(-5.0f), glm::radians(20.0f)), glm::radians(-30.0f), glm::radians(30.0f));
+    pain_yaw_ = glm::clamp(pain_yaw_ + RandomFloat(glm::radians(-20.0f), glm::radians(20.0f)), glm::radians(-30.0f), glm::radians(30.0f));
+}
+
+float game::Character::GetHitBoneDamageMultiplier(const std::string_view hitbone)
+{
+    if (hitbone == "head" || hitbone == "neck")
+        return 3.0f;
+
+    if (hitbone == "torso1" || hitbone == "torso2")
+        return 1.0f;
+
+    return 0.2f;
+}
+
 void game::Character::SyncControllerTransform()
 {
     if (!controller_)
@@ -143,42 +306,58 @@ void game::Character::SyncTransformFromController()
     root_.local.position.z -= z_offset_; // foot pos
 }
 
+static glm::vec2 GetInputDir(game::CharacterInputFlags in)
+{
+    glm::vec2 dir(0.0f);
+
+    if (in & (1 << game::CIN_FORWARD))
+        dir.y += 1.0f;
+
+    if (in & (1 << game::CIN_BACKWARD))
+        dir.y -= 1.0f;
+
+    if (in & (1 << game::CIN_RIGHT))
+        dir.x -= 1.0f;
+
+    if (in & (1 << game::CIN_LEFT))
+        dir.x += 1.0f;
+
+    return dir;
+}
+
 void game::Character::UpdateMovement()
 {
+    if (movement_ == CMT_DISABLED)
+    {
+        animstate_.loco_blend = 0.0f;
+        return;
+    }
+
     constexpr float dt = 1.0f / 25.0f;
     bool walking = false;
     bool running = false;
-    glm::vec2 movedir(0.0f);
 
-    if (in_ & (1 << CIN_FORWARD))
+    glm::vec3 move_dir(0.0f);
-        movedir.y += 1.0f;
 
-    if (in_ & (1 << CIN_BACKWARD))
+    auto input_dir = GetInputDir(in_);
-        movedir.y -= 1.0f;
+    if (input_dir.x != 0.0f || input_dir.y != 0.0f)
-
-    if (in_ & (1 << CIN_RIGHT))
-        movedir.x -= 1.0f;
-
-    if (in_ & (1 << CIN_LEFT))
-        movedir.x += 1.0f;
-
-    glm::vec3 walkdir(0.0f);
-
-    if (movedir.x != 0.0f || movedir.y != 0.0f)
     {
         walking = true;
         
-        if (in_ & (1 << CIN_SPRINT))
+        if ((in_ & (1 << CIN_SPRINT)) && can_sprint_)
             running = true;
 
-        float target_yaw = forward_yaw_ + std::atan2(movedir.x, movedir.y);
+        const bool directional = (movement_ == CMT_DIRECTIONAL);
-        Turn(yaw_, target_yaw, turn_speed_ * dt);
 
-        glm::vec3 forward_dir(-glm::sin(yaw_), glm::cos(yaw_), 0.0f);
+        float relative_yaw = std::atan2(input_dir.x, input_dir.y);
-        walkdir = forward_dir * walk_speed_ * dt;
+        float turn_yaw = directional ? view_yaw_ : view_yaw_ + relative_yaw;
+        Turn(yaw_, turn_yaw, turn_speed_ * dt);
+        float move_yaw = directional ? yaw_ + relative_yaw : yaw_;
+    
+        move_dir = glm::vec3(-glm::sin(move_yaw), glm::cos(move_yaw), 0.0f) * walk_speed_ * dt * weight_speed_mult_;
        
         if (running)
-            walkdir *= run_speed_mult_;
+            move_dir *= run_speed_mult_;
 
     }
 
@@ -187,7 +366,7 @@ void game::Character::UpdateMovement()
     if (controller_)
     {
         auto& bt_character = controller_->GetBtController();
-        bt_character.setWalkDirection(btVector3(walkdir.x, walkdir.y, walkdir.z));
+        bt_character.setWalkDirection(btVector3(move_dir.x, move_dir.y, move_dir.z));
 
         if (in_ & (1 << CIN_JUMP) && bt_character.canJump())
         {
@@ -198,12 +377,91 @@ void game::Character::UpdateMovement()
     // update anim
     float run_blend_target = walking ? 0.5f : 0.0f;
     MoveToward(animstate_.loco_blend, run_blend_target, dt * 2.0f);
-    float anim_speed = glm::mix(0.5f, 1.5f, UnMix(0.0f, 0.5f, animstate_.loco_blend));
+    float anim_speed = glm::mix(0.3f, 1.5f, UnMix(0.0f, 0.5f, animstate_.loco_blend)) * weight_speed_mult_;
     if (running)
         anim_speed *= run_speed_mult_;
     animstate_.loco_phase = glm::mod(animstate_.loco_phase + anim_speed * dt, 1.0f);
 }
 
+void game::Character::UpdateAiming()
+{
+    float delta = 10.0f;
+
+    if (!aiming_)
+    {
+        delta = 6.0f / 25.0f;
+        MoveToward(aim_yaw_, 0.0f, delta);
+        MoveToward(aim_pitch_, 0.0f, delta);
+        UpdateAimDirection();
+        return;
+    }
+
+    // get yaw and pitch relative to transform
+    glm::vec3 dir = aim_target_ - GetRoot().local.position;
+
+    if (parent_)
+    {
+        auto inv_parent =  glm::inverse(parent_->GetRoot().matrix);
+
+        // glm::vec3 character_pos_in_parent = inv_parent * glm::vec4(GetRoot().local.position, 1.0f);
+        glm::vec3 aim_target_in_parent = inv_parent * glm::vec4(aim_target_, 1.0f);
+        dir = aim_target_in_parent - GetRoot().local.position;
+    }
+
+    dir.z -= aim_z_offset_; // from eye
+    dir = glm::normalize(dir);
+
+    float pitch = glm::asin(dir.z);
+    float yaw = glm::atan(-dir.x, dir.y);
+
+    auto target_pitch = glm::clamp(pitch, glm::radians(-60.0f), glm::radians(55.0f)); // clamp to make it less weird
+    MoveToward(aim_pitch_, target_pitch, delta);
+
+    if (movement_ == CMT_DISABLED)
+    {
+        auto target_yaw = glm::mod(yaw + glm::pi<float>(), glm::two_pi<float>()) - glm::pi<float>();
+        const float yaw_limit = glm::radians(120.0f);
+        target_yaw = glm::clamp(target_yaw, -yaw_limit, yaw_limit);
+        MoveToward(aim_yaw_, target_yaw, delta);
+    }
+    else
+    {
+        Turn(yaw_, yaw, delta);
+        MoveToward(aim_yaw_, 0.0f, delta);
+    }
+
+    UpdateAimDirection();
+}
+
+void game::Character::UpdateAimDirection()
+{
+    eye_pos_ = GetRoot().matrix * glm::vec4(0.0f, 0.0f, aim_z_offset_, 1.0f);
+
+    auto pitch = aim_pitch_;
+    auto yaw = yaw_ + aim_yaw_;
+    aim_dir_ = glm::vec3(-glm::sin(yaw) * glm::cos(pitch), glm::cos(yaw) * glm::cos(pitch), glm::sin(pitch));
+
+    if (parent_)
+    {
+        aim_dir_ = glm::normalize(parent_->GetRoot().matrix * glm::vec4(aim_dir_, 0.0f));
+    }
+
+    // GetWorld().Beam(eye_pos_, eye_pos_ + aim_dir_ * 100.0f, 0x0000FF, 1.0f / 25.0f);
+}
+
+void game::Character::UpdatePain()
+{
+    float delta = 1.5f / 25.0f;
+    MoveToward(pain_yaw_, 0.0f, delta);
+    MoveToward(pain_pitch_, 0.0f, delta);
+}
+
+void game::Character::UpdateAnimAngles()
+{
+    animstate_.yaw = aim_yaw_ + pain_yaw_;
+    animstate_.pitch = aim_pitch_ + pain_pitch_;
+}
+
 void game::Character::UpdateSyncState()
 {
     auto& state = sync_[sync_current_];
@@ -220,6 +478,14 @@ void game::Character::UpdateSyncState()
     state.run_anim = animstate_.run_anim_idx;
     state.loco_phase.Encode(animstate_.loco_phase);
     state.loco_blend.Encode(animstate_.loco_blend);
+
+    // action
+    state.action_anim = animstate_.action_anim_idx;
+    state.action_time.Encode(animstate_.action_time);
+
+    // aim
+    state.aim_yaw.Encode(animstate_.yaw);
+    state.aim_pitch.Encode(animstate_.pitch);
 }
 
 void game::Character::SendUpdateMsg()
@@ -282,6 +548,31 @@ game::CharacterSyncFieldFlags game::Character::WriteState(net::OutMessage& msg,
         net::WriteDelta(msg, curr.loco_phase, base.loco_phase);
     }
 
+    // action anim
+    if (curr.action_anim != base.action_anim)
+    {
+        fields |= CSF_ACTION_ANIM;
+
+        msg.Write(curr.action_anim);
+    }
+
+    // action phase
+    if (curr.action_time.value != base.action_time.value)
+    {
+        fields |= CSF_ACTION_TIME;
+
+        net::WriteDelta(msg, curr.action_time, base.action_time);
+    }
+
+    // aim
+    if (curr.aim_yaw.value != base.aim_yaw.value || curr.aim_pitch.value != base.aim_pitch.value)
+    {
+        fields |= CSF_AIM;
+
+        net::WriteDelta(msg, curr.aim_yaw.value, base.aim_yaw.value);
+        net::WriteDelta(msg, curr.aim_pitch.value, base.aim_pitch.value);
+    }
+
     return fields;
 }
 
@@ -290,6 +581,169 @@ assets::AnimIdx game::Character::GetAnim(const std::string& name) const
     return sk_.GetSkeleton()->GetAnimationIdx(name);
 }
 
+void game::Character::SetupHitBones()
+{
+    const auto& sk_hitbones = sk_.GetSkeleton()->GetHitBones();
+    hitbones_.resize(sk_hitbones.size());
+
+    for (size_t i = 0; i < hitbones_.size(); ++i)
+    {
+        auto& hitbone = hitbones_[i];
+        auto& sk_hitbone = sk_hitbones[i];
+
+        // setup node
+        hitbone.node.parent = &sk_.GetBoneNode(sk_hitbone.bone_idx);
+        hitbone.node.local = sk_hitbone.offset;
+
+        // setup object
+        auto& col_obj = hitbone.col_obj;
+        col_obj.setCollisionShape(sk_hitbone.col_shape.get());
+        collision::SetObjectInfo(&col_obj, collision::OT_ENTITY, 0, this);
+
+        hitbone_names_[&col_obj] = sk_hitbone.name;
+    }
+    
+    // setup proxy
+    static btSphereShape proxy_shape(1.5f);
+    hitbone_proxy_.setCollisionShape(&proxy_shape);
+    collision::SetObjectInfo(&hitbone_proxy_, collision::OT_ENTITY, 0, this);
+    GetWorld().GetBtWorld().addCollisionObject(&hitbone_proxy_, collision::OG_HITBONES_PROXY, collision::OG_PROJECTILE);
+}
+
+void game::Character::EnableHitBones(bool enable)
+{
+    if (enable)
+    {
+        hitbones_timer_ = 2; // reset timer
+    }
+
+    if (enable == hitbones_active_)
+        return;
+
+    hitbones_active_ = enable;
+    hitbones_valid_ = false;
+
+    auto& bt_world = GetWorld().GetBtWorld();
+
+    if (enable)
+    {
+        UpdateHitBoneTransforms(); // update transforms first
+
+        for (auto& hitbone : hitbones_)
+        {
+            bt_world.addCollisionObject(&hitbone.col_obj, collision::OG_DEFAULT, collision::OG_PROJECTILE);
+        }
+    }
+    else
+    {
+        for (auto& hitbone : hitbones_)
+        {
+            bt_world.removeCollisionObject(&hitbone.col_obj);
+        }
+    }
+
+}
+
+void game::Character::UpdateHitBones()
+{
+    // update proxy transform
+    glm::vec3 center = GetRoot().matrix * glm::vec4(0.0f, 0.0f, 1.0f, 1.0f);
+    btTransform trans;
+    trans.setIdentity();
+    trans.setOrigin(btVector3(center.x, center.y, center.z));
+    hitbone_proxy_.setWorldTransform(trans);
+
+    if (hitbones_active_)
+    {
+        if (hitbones_timer_ > 0)
+            --hitbones_timer_;
+        else
+            EnableHitBones(false);
+    }
+
+    UpdateHitBoneTransforms();
+}
+
+static btTransform BtTransformFromMat4(const glm::mat4& m)
+{
+    btMatrix3x3 basis(
+        m[0][0], m[1][0], m[2][0],
+        m[0][1], m[1][1], m[2][1],
+        m[0][2], m[1][2], m[2][2]
+    );
+
+    btVector3 origin(
+        m[3][0],
+        m[3][1],
+        m[3][2]
+    );
+
+    btTransform trans;
+    trans.setBasis(basis);
+    trans.setOrigin(origin);
+    return trans;
+}
+
+void game::Character::UpdateHitBoneTransforms()
+{
+    if (hitbones_valid_ || !hitbones_active_)
+        return;
+
+    UpdatePose();
+
+    for (auto& hitbone : hitbones_)
+    {
+        hitbone.node.UpdateMatrix();
+        hitbone.col_obj.setWorldTransform(BtTransformFromMat4(hitbone.node.matrix));
+
+        // debug boxes
+        // GetWorld().BeamBox(hitbone.node.GetGlobalPosition() - 0.05f, hitbone.node.GetGlobalPosition() + 0.05f, 0xFFFF00,
+        //                    1.5f / 25.0f);
+    }
+}
+
+void game::Character::DeleteHitBones()
+{
+    EnableHitBones(false);
+    GetWorld().GetBtWorld().removeCollisionObject(&hitbone_proxy_);
+}
+
+void game::Character::UpdateActionAnim()
+{
+    if (action_anim_done_)
+        return;
+
+    animstate_.action_time += action_anim_playback_speed_ * (1.0f / 25.0f);
+    
+    if (action_anim_playback_speed_ > 0.0f)
+    {
+        if (animstate_.action_time >= action_anim_end_)
+        {
+            animstate_.action_time = action_anim_end_;
+            action_anim_done_ = true;
+        }
+    }
+    else
+    {
+        if (animstate_.action_time <= 0.0f)
+        {
+            animstate_.action_time = 0.0f;
+            action_anim_done_ = true;
+        }
+    }
+}
+
+void game::Character::UpdatePose()
+{
+    if (pose_valid_)
+        return;
+
+    animstate_.ApplyToSkeleton(sk_);
+    sk_.UpdateBoneMatrices();
+
+    pose_valid_ = true;
+}
+
 game::CharacterPhysicsController::CharacterPhysicsController(Character& character, btDynamicsWorld& bt_world, btCapsuleShapeZ& bt_shape)
     : character_(character), bt_world_(bt_world), bt_character_(&bt_ghost_, &bt_shape, 0.3f, btVector3(0, 0, 1))
 {
@@ -299,7 +753,7 @@ game::CharacterPhysicsController::CharacterPhysicsController(Character& characte
     bt_ghost_.setCollisionShape(&bt_shape);
     bt_ghost_.setCollisionFlags(btCollisionObject::CF_CHARACTER_OBJECT);
 
-    collision::SetObjectInfo(&bt_ghost_, collision::OT_ENTITY, 0, &character);
+    collision::SetObjectInfo(&bt_ghost_, collision::OT_ENTITY, collision::OF_CRASH_DAMAGE, &character);
 
     bt_world_.addCollisionObject(&bt_ghost_, btBroadphaseProxy::CharacterFilter,
                                  btBroadphaseProxy::StaticFilter | btBroadphaseProxy::DefaultFilter);

src/game/character.hpp

@@ -45,6 +45,19 @@ private:
     btKinematicCharacterController bt_character_;
 };
 
+enum CharacterMovementType
+{
+    CMT_DISABLED,
+    CMT_TURN,
+    CMT_DIRECTIONAL,
+};
+
+struct CharacterHitBoneInstance
+{
+    btCollisionObject col_obj;
+    TransformNode node;
+};
+
 class Character : public Entity
 {
 public:
@@ -55,6 +68,8 @@ public:
     virtual void Update() override;
     virtual void SendInitData(Player& player, net::OutMessage& msg) const override;
     
+    virtual void ReceiveDamage(const DamageInfo& damage) override;
+
     virtual void Attach(net::EntNum parentnum) override;
 
     const CharacterTuning& GetTuning() const { return tuning_; }
@@ -64,36 +79,83 @@ public:
 
     void SetInput(CharacterInputType type, bool enable);
     void SetInputs(CharacterInputFlags inputs) { in_ = inputs; }
+    CharacterInputFlags GetInputs() const { return in_; }
+
+    void SetMovementType(CharacterMovementType type);
+
+    void SetViewAngles(float yaw, float pitch);
+    float GetViewYaw() const { return view_yaw_; }
+    float GetViewPitch() const { return view_pitch_; }
+
+    const glm::vec3& GetEyePosition() const { return eye_pos_; }
+    const glm::vec3& GetAimDirection() const { return aim_dir_; }
 
-    void SetForwardYaw(float yaw) { forward_yaw_ = yaw; }
-    float GetForwardYaw() const { return forward_yaw_; }
     void SetYaw(float yaw) { yaw_ = yaw; }
 
     void SetPosition(const glm::vec3& position);
 
+    void SetWeightSpeedMult(float mult) { weight_speed_mult_ = mult; }
 
-    ~Character() override = default;
+    virtual void ActivateHitBones() override;
+    virtual void FinalizeFrame() override;
+
+    float GetHealth() const { return health_; }
+    bool IsAlive() const { return death_time_ < 0; }
+    int64_t GetDeathTime() const;
+
+    void SetOnDeath(std::function<void()> cb) { on_death_ = std::move(cb); }
+
+    ~Character() override;
     
 protected:
+    void SetCanSprint(bool can_sprint) { can_sprint_ = can_sprint; }
     void SetIdleAnim(const std::string& anim_name);
     void SetWalkAnim(const std::string& anim_name);
     void SetRunAnim(const std::string& anim_name);
+    void PlayActionAnim(assets::AnimIdx anim_idx, float speed);
+    void PlayActionAnim(const std::string& anim_name, float speed = 1.0f);
+    void ClearActionAnim();
+    bool IsActionAnimDone() { return action_anim_done_; }
+    void SetAiming(bool aiming) { aiming_ = aiming; }
+    bool GetAiming() const { return aiming_; }
+    void SetAimTarget(const glm::vec3& target);
+    void SetViewItem(const std::string& item_name);
+    void SendFire();
+    void ApplyPain();
+
+    virtual float GetHitBoneDamageMultiplier(const std::string_view hitbone);
 
 private:
     void SyncControllerTransform();
     void SyncTransformFromController();
 
     void UpdateMovement();
+    void UpdateAiming();
+    void UpdateAimDirection();
+    void UpdatePain();
+    void UpdateAnimAngles();
     void UpdateSyncState();
     void SendUpdateMsg();
     CharacterSyncFieldFlags WriteState(net::OutMessage& msg, const CharacterSyncState& base) const;
 
     assets::AnimIdx GetAnim(const std::string& name) const;
 
+    void SetupHitBones();
+    void EnableHitBones(bool enable);
+    void UpdateHitBones();
+    void UpdateHitBoneTransforms();
+    void DeleteHitBones();
+
+    void UpdateActionAnim();
+
+    void UpdatePose();
+
+
 protected:
     float turn_speed_ = 8.0f;
     float walk_speed_ = 2.0f;
     float run_speed_mult_ = 3.0f;
+    float weight_speed_mult_ = 1.0f;
 
 private:
     CharacterTuning tuning_;
@@ -102,19 +164,55 @@ private:
     // glm::vec3 velocity_ = glm::vec3(0.0f);
 
     CharacterInputFlags in_ = 0;
+    bool can_sprint_ = true;
 
     btCapsuleShapeZ bt_shape_;
     float z_offset_ = 0.0f; // offset of controller from root
     std::unique_ptr<CharacterPhysicsController> controller_;
 
     float yaw_ = 0.0f;
-    float forward_yaw_ = 0.0f;
+    float view_yaw_ = 0.0f;
+    float view_pitch_ = 0.0f;
+
+    float aim_yaw_ = 0.0f;
+    float aim_pitch_ = 0.0f;
+
+    float pain_yaw_ = 0.0f;
+    float pain_pitch_ = 0.0f;
 
     SkeletonInstance sk_;
     CharacterAnimState animstate_;
 
     CharacterSyncState sync_[2];
     size_t sync_current_ = 0;
+
+    CharacterMovementType movement_ = CMT_DISABLED;
+
+    float action_anim_playback_speed_ = 0.0f;
+    float action_anim_end_ = 0.0f;
+    bool action_anim_done_ = true;
+
+    bool aiming_ = false;
+    glm::vec3 aim_target_ = glm::vec3(0.0f);
+    float aim_z_offset_ = 1.6f;
+    glm::vec3 eye_pos_ = glm::vec3(0.0f);
+    glm::vec3 aim_dir_ = glm::vec3(0.0f);
+
+    std::string item_;
+
+    bool pose_valid_ = false;
+
+    std::vector<CharacterHitBoneInstance> hitbones_;
+    btCollisionObject hitbone_proxy_;
+    bool hitbones_active_ = false;
+    size_t hitbones_timer_ = 0;
+    bool hitbones_valid_ = false;
+    std::map<const btCollisionObject*, std::string_view> hitbone_names_;
+
+    float health_ = 100.0f;
+    int64_t death_time_ = -1;
+
+    std::function<void()> on_death_;
 };
 
 } // namespace game

src/game/character_anim_state.cpp

@@ -26,7 +26,6 @@ void game::CharacterAnimState::ApplyToSkeleton(SkeletonInstance& sk) const
         sk.ApplySkelAnim(*idle_anim, loco_phase, 1.0f);
         sk.ApplySkelAnim(*walk_anim, loco_phase, UnMix(0.0f, 0.5f, loco_blend));
     }
-
     else if (loco_blend == 0.5f) // walk
     {
         sk.ApplySkelAnim(*walk_anim, loco_phase, 1.0f);
@@ -41,4 +40,16 @@ void game::CharacterAnimState::ApplyToSkeleton(SkeletonInstance& sk) const
         sk.ApplySkelAnim(*run_anim, loco_phase, 1.0f);
     }
 
+    // action
+    auto action_anim = skeleton->GetAnimation(action_anim_idx);
+    if (action_anim)
+    {
+        sk.ApplySkelAnim(*action_anim, action_time, 1.0f);
+    }
+
+    if (glm::abs(yaw) > 0.01f || glm::abs(pitch) > 0.01f)
+    {
+        sk.ApplyAim(yaw, pitch);
+    }
+
 }

src/game/character_anim_state.hpp

@@ -8,12 +8,18 @@ namespace game
 struct CharacterAnimState
 {
     assets::AnimIdx idle_anim_idx = assets::NO_ANIM;
+
     assets::AnimIdx walk_anim_idx = assets::NO_ANIM;
     assets::AnimIdx run_anim_idx = assets::NO_ANIM;
-
     float loco_blend = 0.0f;
     float loco_phase = 0.0f;
 
+    assets::AnimIdx action_anim_idx = assets::NO_ANIM;
+    float action_time = 0.0f;
+
+    float yaw = 0.0f;
+    float pitch = 0.0f;
+
     void ApplyToSkeleton(SkeletonInstance& sk) const;
 
 

src/game/character_sync.hpp

@@ -21,21 +21,31 @@ struct CharacterSyncState
     assets::AnimIdx walk_anim = assets::NO_ANIM;
     assets::AnimIdx run_anim = assets::NO_ANIM;
     net::AnimBlendQ loco_blend;
-    net::AnimTimeQ loco_phase;
+    net::AnimPhaseQ loco_phase;
+
+    // action anim
+    assets::AnimIdx action_anim = assets::NO_ANIM;
+    net::AnimTimeQ action_time;
+
+    // aim
+    net::AnimAimAngleQ aim_yaw;
+    net::AnimAimAngleQ aim_pitch;
+
     //assets::AnimIdx strafe_left_anim = assets::NO_ANIM;
     //assets::AnimIdx strafe_right_anim = assets::NO_ANIM;
-
-    // TODO: action
 };
 
 using CharacterSyncFieldFlags = uint8_t;
 
 enum CharacterSyncFieldFlag
 {
-    CSF_TRANSFORM = 0x01,
+    CSF_TRANSFORM = 1,
-    CSF_IDLE_ANIM = 0x02,
+    CSF_IDLE_ANIM = 2,
-    CSF_LOCO_ANIMS = 0x04,
+    CSF_LOCO_ANIMS = 4,
-    CSF_LOCO_VALS = 0x08,
+    CSF_LOCO_VALS = 8,
+    CSF_ACTION_ANIM = 16,
+    CSF_ACTION_TIME = 32,
+    CSF_AIM = 64,
 };
 
 } // namespace game

src/game/cow.cpp

@@ -22,7 +22,6 @@ game::Cow::Cow(World& world, const glm::vec3& position, float yaw) : Animal(worl
     SetIdleAnim("idle");
     SetWalkAnim("walk");
 
-    ScheduleRandomMoo();
 }
 
 void game::Cow::OnPassengerChanged(size_t seat_idx, HumanCharacter* passenger)
@@ -35,12 +34,14 @@ void game::Cow::OnPassengerChanged(size_t seat_idx, HumanCharacter* passenger)
     }
 }
 
-void game::Cow::ScheduleRandomMoo()
+void game::Cow::MakeSound()
 {
-    Schedule(rand() % 15000 + 5000, [this]() {
     PlayRandomMoo();
-        ScheduleRandomMoo();
+}
-    });
+
+void game::Cow::MakeHurtSound()
+{
+    PlayUseSound();
 }
 
 void game::Cow::PlayRandomMoo()

src/game/cow.hpp

@@ -15,8 +15,10 @@ public:
 protected:
     virtual void OnPassengerChanged(size_t seat_idx, HumanCharacter* passenger) override;
 
+    virtual void MakeSound() override;
+    virtual void MakeHurtSound() override;
+
 private:
-    void ScheduleRandomMoo();
     void PlayRandomMoo();
     void PlayUseSound();
 

src/game/drivable_vehicle.cpp

@@ -3,7 +3,7 @@
 #include "utils/random.hpp"
 #include "input_mapping.hpp"
 
-game::DrivableVehicle::DrivableVehicle(World& world, const VehicleTuning& tuning) : Vehicle(world, tuning), Usable(GetRoot().matrix), Rideable(*this, RIDEABLE_VEHICLE)
+game::DrivableVehicle::DrivableVehicle(World& world, const VehicleSpawnInfo& info) : Vehicle(world, info), Usable(GetRoot().matrix), Rideable(*this, RIDEABLE_VEHICLE)
 {
     InitSeats();
     OnPhysicsChanged();
@@ -18,6 +18,11 @@ void game::DrivableVehicle::Update()
 
 }
 
+game::HumanCharacter* game::DrivableVehicle::GetResponsibleCharacter()
+{
+    return GetPassenger(0);
+}
+
 void game::DrivableVehicle::SetTuning(const VehicleTuning& tuning)
 {
     Super::SetTuning(tuning);
@@ -53,6 +58,11 @@ void game::DrivableVehicle::Use(PlayerCharacter& character, uint32_t target_id)
     PlaySound("cardoor", 1.0f, RandomFloat(0.9f, 1.1f));
 }
 
+void game::DrivableVehicle::ReceiveDamage(const DamageInfo& damage)
+{
+    Super::ReceiveDamage(damage);
+    OnRideableDamaged(damage);
+}
 
 void game::DrivableVehicle::SetRideableInput(PlayerInputFlags in)
 {
@@ -64,6 +74,7 @@ void game::DrivableVehicle::OnPassengerChanged(size_t seat_idx, HumanCharacter*
     if (seat_idx == 0 && !passenger)
     {
         // driver left
+        SetSteering(false, 0.0f);
         SetInputs(0);
     }
 }

src/game/drivable_vehicle.hpp

@@ -13,10 +13,12 @@ class DrivableVehicle : public Vehicle, public Usable, public Rideable
 public:
     using Super = Vehicle;
 
-    DrivableVehicle(World& world, const VehicleTuning& tuning);
+    DrivableVehicle(World& world, const VehicleSpawnInfo& info);
 
     virtual void Update() override;
 
+    virtual HumanCharacter* GetResponsibleCharacter() override;
+
     virtual void SetTuning(const VehicleTuning& tuning) override;
 
     virtual void OnPhysicsChanged() override;
@@ -24,6 +26,8 @@ public:
     virtual bool QueryUseTarget(PlayerCharacter& character, uint32_t target_id, UseTargetQueryResult& res) override;
     virtual void Use(PlayerCharacter& character, uint32_t target_id) override;
 
+    virtual void ReceiveDamage(const DamageInfo& damage) override;
+
     virtual void SetRideableInput(PlayerInputFlags in) override;
 
 protected:

src/game/enterable_world.cpp

@@ -18,6 +18,20 @@ void game::EnterableWorld::PlayerInput(Player& player, PlayerInputType type, boo
 
     auto character = it->second;
 
+    // check respawn
+    if (type == IN_ATTACK_PRIMARY && enabled)
+    {
+        auto current_character = GetPlayerCharacter(player);
+
+        if (current_character->IsDead() && current_character->GetDeathTime() >= 3000)
+        {
+            auto& tuning = current_character->GetHumanTuning();
+            CreatePlayerCharacter(player, tuning, spawnpoint_, 0.0f);
+        }
+
+        return;
+    }
+
     switch (type)
     {
     // case IN_DEBUG1:
@@ -45,7 +59,7 @@ void game::EnterableWorld::PlayerViewAnglesChanged(Player& player, float yaw, fl
 
     auto character = it->second;
 
-    character->SetForwardYaw(yaw);
+    character->SetViewAngles(yaw, pitch);
 }
 
 void game::EnterableWorld::RemovePlayer(Player& player)

src/game/enterable_world.hpp

@@ -27,13 +27,16 @@ public:
 
     PlayerCharacter* GetPlayerCharacter(Player& player);
 
+    void SetSpawnPoint(const glm::vec3& pos) { spawnpoint_ = pos; }
+    const glm::vec3& GetSpawnPoint() const { return spawnpoint_; }
+
 private:
     PlayerCharacter& CreatePlayerCharacter(Player& player, const HumanCharacterTuning& tuning, const glm::vec3& position, float yaw);
     void RemovePlayerCharacter(Player& player);
 
 private:
     std::map<Player*, PlayerCharacter*> player_characters_;
-
+    glm::vec3 spawnpoint_{};
 
 };
 

src/game/entity.hpp

@@ -34,7 +34,7 @@ public:
  
     std::span<const char> GetUpdateMsg() const { return update_msg_buf_; }
 
-    void FinalizeFrame();
+    virtual void FinalizeFrame();
 
     void SetNametag(const std::string& nametag);
      

src/game/game.cpp

@@ -4,9 +4,6 @@
 #include "player.hpp"
 #include "player_character.hpp"
 
-static constexpr glm::vec3 openworld_spawn(100.0f, 100.0f, 1.0f);
-static constexpr glm::vec3 test_spawn(0.0f, 0.0f, 0.1f);
-
 static uint32_t GetRandomColor24()
 {
     uint8_t r, g, b;
@@ -56,7 +53,7 @@ void game::Game::PlayerJoined(Player& player)
     tuning.clothes.push_back({"tshirt", GetRandomColor24()});
     tuning.clothes.push_back({"shorts", GetRandomColor24()});
 
-    openworld_->InsertPlayer(player, tuning, openworld_spawn, 0.0f);
+    openworld_->InsertPlayer(player, tuning, openworld_->GetSpawnPoint(), 0.0f);
 }
 
 void game::Game::PlayerViewAnglesChanged(Player& player, float yaw, float pitch)
@@ -143,10 +140,12 @@ game::PlayerCharacter& game::Game::MovePlayerToWorld(PlayerGameInfo& player_info
 
     auto old_character = old_world.GetPlayerCharacter(player); 
     auto& tuning = old_character->GetHumanTuning();
+    auto inventory = old_character->TakeInventory();
     old_world.RemovePlayer(player);
 
     player.SetWorld(&new_world);
     auto& new_character = new_world.InsertPlayer(player, tuning, pos, yaw);
+    new_character.SetInventory(std::move(inventory));
 
     player_info.world = &new_world;
 
@@ -156,18 +155,19 @@ game::PlayerCharacter& game::Game::MovePlayerToWorld(PlayerGameInfo& player_info
 void game::Game::MoveVehicleToWorld(DrivableVehicle& vehicle, EnterableWorld& new_world, const glm::vec3& pos,
                                     float yaw)
 {
-    auto& tuning = vehicle.GetTuning();
+    VehicleSpawnInfo vehicle_info{};
-    auto& new_vehicle = new_world.Spawn<DrivableVehicle>(tuning);
+    vehicle_info.tuning = vehicle.GetTuning();
-    new_vehicle.SetPosition(pos);
+    vehicle_info.position = pos;
-    // TODO: yaw
+    vehicle_info.yaw = yaw;
+    auto& new_vehicle = new_world.Spawn<DrivableVehicle>(vehicle_info);
     
     // move passengers
     size_t num_seats = vehicle.GetNumSeats();
     for (size_t i = 0; i < num_seats; ++i)
     {
         auto passenger = vehicle.GetPassenger(i);
-        if (!passenger)
+        if (!passenger || !passenger->IsAlive())
-            continue; // empty seat
+            continue; // empty seat or ded
 
         auto player_passenger = dynamic_cast<PlayerCharacter*>(passenger);
         if (!player_passenger)

src/game/human_character.cpp

@@ -1,5 +1,6 @@
 #include "human_character.hpp"
 #include "drivable_vehicle.hpp"
+#include "utils/random.hpp"
 
 static game::CharacterTuning GetCharacterTuning(const game::HumanCharacterTuning& tuning)
 {
@@ -17,33 +18,41 @@ game::HumanCharacter::HumanCharacter(World& world, const HumanCharacterTuning& t
     SetWalkAnim("walk");
 }
 
+void game::HumanCharacter::Update()
+{
+    UpdateState();
+    UpdateActionState();
+    UpdateDispersion();
+    Super::Update();
+}
+
+void game::HumanCharacter::ReceiveDamage(const DamageInfo& damage)
+{
+    if (!IsAlive())
+        return;
+
+    Super::ReceiveDamage(damage);
+
+    if (damage.inflictor && damage.inflictor != this)
+    {
+        damage.inflictor->OnDamageDealt(!IsAlive());
+    }
+}
+
 void game::HumanCharacter::SetRideable(Rideable* rideable, size_t seat_idx)
 {
     if (rideable == rideable_ && seat_idx == seat_idx_)
         return;
     
-    if (rideable)
+    if (rideable_)
     {
-        SetPosition(rideable->GetSeatOffset(seat_idx));
-        EnablePhysics(false);
-
-        Attach(rideable->GetEntity().GetEntNum());
-        SetIdleAnim((rideable->GetRideableType() == RIDEABLE_VEHICLE && seat_idx == 0) ? "vehicle_drive" : "vehicle_passenger");
-        SetYaw(0.0f);
-    }
-    else
-    {
-        EnablePhysics(true);
-
         glm::vec3 seat_loc = rideable_->GetSeatOffset(seat_idx_);
         seat_loc.x += glm::sign(seat_loc.x) * 0.5f; // to the side
 
         glm::vec3 pos = rideable_->GetEntity().GetRoot().matrix * glm::vec4(seat_loc, 1.0f);
         pos.z += 0.5f;
-        SetPosition(pos);
 
-        Attach(0);
+        rideable_exit_pos_ = pos;
-        SetIdleAnim("idle");
     }
 
     rideable_ = rideable;
@@ -51,8 +60,8 @@ void game::HumanCharacter::SetRideable(Rideable* rideable, size_t seat_idx)
     seat_idx_ = seat_idx;
     is_driver_ = rideable && seat_idx_ == 0;
 
+    SetSignal(HSS_RIDEABLE_CHANGED);
     OnRideableChanged();
-
 }
 
 void game::HumanCharacter::Ride(Rideable* rideable, size_t seat_idx)
@@ -68,7 +77,577 @@ void game::HumanCharacter::Ride(Rideable* rideable, size_t seat_idx)
     }
 }
 
+void game::HumanCharacter::Equip(std::shared_ptr<ItemInstance> item)
+{
+    if (!IsAlive() && item)
+        return;
+
+    pending_item_ = std::move(item);
+}
+
+bool game::HumanCharacter::IsDead() const
+{
+    return actionstate_ == ACTION_DEAD;
+}
+
 game::HumanCharacter::~HumanCharacter()
 {
     Ride(nullptr, 0); // exit rideable
 }
+
+bool game::HumanCharacter::HaveAmmo(const std::string& ammo_name)
+{
+    return true;
+}
+
+size_t game::HumanCharacter::GetAmmo(size_t required, const std::string& ammo_name)
+{
+    return required; // unlimited by default
+}
+
+bool game::HumanCharacter::IsOnFoot() const
+{
+    return state_ == HS_ON_FOOT;
+}
+
+int64_t game::HumanCharacter::GetTime() const
+{
+    return GetWorld().GetTime();
+}
+
+bool game::HumanCharacter::CanAim()
+{
+    return !NeedReload() && !PendingItemSwitch() && !(GetVehicle() && IsDriver() && !item_);
+}
+
+void game::HumanCharacter::SetAiming(bool aiming)
+{
+    if (aiming == GetAiming())
+        return;
+
+    Super::SetAiming(aiming);
+    OnAimingChanged();
+}
+
+bool game::HumanCharacter::CanFire()
+{
+    return item_ && item_->ammo > 0 && ((GetTime() - last_fire_time_ + 40) >= item_->def->fire_delay);
+}
+
+void game::HumanCharacter::Fire()
+{
+    if (!item_)
+        return; // fire wat?
+
+    // PlaySound("airrifle_fire");
+    SendFire();
+
+    float range = 500.0f;
+    // float dispersion = 5.0f; // m/100m
+    
+    game::BulletInfo bullet{};
+    bullet.start = GetEyePosition();
+    bullet.end = bullet.start + ApplyRandomDispersion(GetAimDirection(), dispersion_) * range;
+    bullet.damage = item_->def->damage;
+    bullet.shooter = this;
+    GetWorld().FireBullet(bullet);
+
+    last_fire_time_ = GetTime();
+    dispersion_ = glm::min(dispersion_ + item_->def->dispersion_shot, item_->def->dispersion_max);
+
+    // it should always be >0 but if it has been faked this far
+    // nothing else can be done than to pretend that
+    // the bullet was there
+    if (item_->ammo > 0)
+    { 
+        --item_->ammo;
+    }
+}
+
+bool game::HumanCharacter::NeedReload()
+{
+    return item_ && CanReload() && (item_->ammo == 0 || reloadheld_);
+}
+
+bool game::HumanCharacter::CanReload()
+{
+    return item_ && HaveAmmo(item_->def->ammo_type) && item_->ammo < item_->def->clip_size;
+}
+
+void game::HumanCharacter::Reload()
+{
+    if (!item_)
+        return;
+
+    item_->ammo += GetAmmo(item_->def->clip_size - item_->ammo, item_->def->ammo_type);
+}
+
+bool game::HumanCharacter::PendingItemSwitch()
+{
+    return pending_item_ != item_;
+}
+
+void game::HumanCharacter::SwitchItem()
+{
+    if (item_ == pending_item_)
+        return;
+
+    item_ = pending_item_;
+    UpdateItemStuff();
+    OnHeldItemChanged();
+}
+
+void game::HumanCharacter::UpdateItemStuff()
+{
+    // update legs anim
+    if (state_ == HS_ON_FOOT)
+    {
+        if (item_ && !item_->def->legs_anim.empty())
+            SetIdleAnim(item_->def->legs_anim);
+        else
+            SetIdleAnim("idle");
+
+        // SetIdleAnim("idle_relaxed");
+    }
+
+    // update view item
+    if (item_)
+    {
+        SetViewItem(item_->def->name);
+        SetWeightSpeedMult(item_->def->walk_speed_mult);
+    }
+    else
+    {
+        SetViewItem("");
+        SetWeightSpeedMult(1.0f);
+    }
+}
+
+void game::HumanCharacter::ClearItem()
+{
+    auto item = item_;
+    Equip(nullptr);
+    SwitchItem();
+}
+
+void game::HumanCharacter::PlayItemActionAnim(const std::string assets::Item::*anim, float speed)
+{
+    if (!item_)
+    {
+        ClearActionAnim();
+        return;
+    }
+
+    PlayActionAnim(item_->def.get()->*anim, speed);
+}
+
+void game::HumanCharacter::PlayDeathAnim()
+{
+    if (state_ == HS_ON_FOOT)
+    {
+        PlayActionAnim("die", 1.5f);
+    }
+    else if (state_ == HS_RIDING)
+    {
+        if (GetVehicle())
+        {
+            PlayActionAnim(IsDriver() ? "vehicle_drive_die" : "vehicle_passenger_die", 1.0f);
+        }
+        else
+        {
+            PlayActionAnim("vehicle_passenger_die_animal", 1.0f);
+        }
+    }
+}
+
+void game::HumanCharacter::TrySpawnLoot()
+{
+    if (loot_spawned_)
+        return;
+    
+    loot_spawned_ = true;
+    SpawnLoot();
+}
+
+void game::HumanCharacter::UpdateState()
+{
+    struct HumanCharacterStateTableEntry
+    {
+        void (HumanCharacter::*enter)();
+        HumanCharacterState (HumanCharacter::*update)();
+        void (HumanCharacter::*exit)();
+    };
+
+    static const HumanCharacterStateTableEntry state_table[] =
+    {
+        // HS_INIT
+        {
+            nullptr,
+            &HumanCharacter::StateInitUpdate,
+            nullptr,
+        },
+
+        // HS_ON_FOOT
+        {
+            &HumanCharacter::StateOnFootEnter,
+            &HumanCharacter::StateOnFootUpdate,
+            nullptr,
+        },
+
+        // HS_RIDING
+        {
+            &HumanCharacter::StateRidingEnter,
+            &HumanCharacter::StateRidingUpdate,
+            &HumanCharacter::StateRidingExit,
+        },
+
+        // HS_KNOCKED_DOWN
+        {
+            nullptr,
+            &HumanCharacter::StateKnockedDownUpdate,
+            nullptr,
+        },
+    };
+
+	while (true)
+	{
+		auto new_state = (this->*state_table[state_].update)();
+
+        if (new_state == state_)
+            break;
+
+        if (auto exit_fun = state_table[state_].exit)
+            (this->*exit_fun)();
+
+        state_ = new_state;
+
+        if (auto enter_fun = state_table[state_].enter)
+            (this->*enter_fun)();
+	}
+
+    signals_ = 0;
+}
+
+void game::HumanCharacter::SetSignal(HumanCharacterStateSignal signal)
+{
+    signals_ |= signal;
+}
+
+bool game::HumanCharacter::PopSignal(HumanCharacterStateSignal signal)
+{
+    if (signals_ & signal)
+    {
+        signals_ &= ~signal;
+        return true;
+    }
+
+    return false;
+}
+
+game::HumanCharacterState game::HumanCharacter::StateInitUpdate()
+{
+    if (GetRideable())
+        return HS_RIDING;
+
+    return HS_ON_FOOT;
+}
+
+void game::HumanCharacter::StateOnFootEnter()
+{
+    SetIdleAnim("idle");
+    SetWalkAnim("walk");
+    SetMovementType(CMT_TURN);
+    EnablePhysics(true);
+
+    ResetActionState();
+}
+
+game::HumanCharacterState game::HumanCharacter::StateOnFootUpdate()
+{
+    if (PopSignal(HSS_RIDEABLE_CHANGED))
+        return HS_INIT;
+
+    if (PopSignal(HSS_KNOCK_DOWN))
+        return HS_KNOCKED_DOWN;
+
+    SetMovementType(IsAlive() ? (aimheld_ ? CMT_DIRECTIONAL : CMT_TURN) : CMT_DISABLED);
+
+    return HS_ON_FOOT;
+}
+
+void game::HumanCharacter::StateRidingEnter()
+{
+    auto rideable = GetRideable();
+    SetPosition(rideable->GetSeatOffset(seat_idx_));
+    EnablePhysics(false);
+
+    Attach(rideable->GetEntity().GetEntNum());
+    SetIdleAnim((rideable->GetRideableType() == RIDEABLE_VEHICLE && seat_idx_ == 0) ? "vehicle_drive" : "vehicle_passenger");
+    SetYaw(0.0f);
+    SetMovementType(CMT_DISABLED);
+
+    ResetActionState();
+}
+
+game::HumanCharacterState game::HumanCharacter::StateRidingUpdate()
+{
+    if (!GetRideable())
+        return HS_INIT;
+
+    if (PopSignal(HSS_RIDEABLE_CHANGED))
+        return HS_INIT;
+
+    return HS_RIDING;
+}
+
+void game::HumanCharacter::StateRidingExit()
+{
+    EnablePhysics(true);
+    SetPosition(rideable_exit_pos_);
+    Attach(0);
+}
+
+game::HumanCharacterState game::HumanCharacter::StateKnockedDownUpdate()
+{
+    return HS_INIT;
+}
+
+void game::HumanCharacter::ResetActionState()
+{
+    item_.reset();
+    EnterActionState(ACTION_IDLE);
+    UpdateItemStuff();
+}
+
+void game::HumanCharacter::UpdateActionState()
+{
+    while (true)
+    {
+        auto new_state = CheckActionStateTransition();
+
+        if (new_state == actionstate_)
+            break;
+
+        EnterActionState(new_state);
+    }
+}
+
+void game::HumanCharacter::EnterActionState(ActionState state)
+{
+    actionstate_ = state;
+    actionstate_start_ = GetWorld().GetTime();
+
+    switch (state)
+    {
+    case ACTION_IDLE:
+        SetAiming(false);
+        SetCanSprint(true);
+        PlayItemActionAnim(&assets::Item::idle_anim);
+        break;
+
+    case ACTION_RAISE:
+        SwitchItem();
+        SetAiming(false);
+        SetCanSprint(true);
+        PlayItemActionAnim(&assets::Item::raise_anim, 3.0f);
+        break;
+
+    case ACTION_AIM:
+        SetAiming(true);
+        SetCanSprint(false);
+        PlayItemActionAnim(&assets::Item::aim_anim, 3.0f);
+        break;
+
+    case ACTION_AIMING:
+        SetAiming(true);
+        SetCanSprint(false);
+        PlayItemActionAnim(&assets::Item::aiming_anim);
+        break;
+
+    case ACTION_FIRE:
+        SetAiming(true);
+        SetCanSprint(false);
+        PlayItemActionAnim(&assets::Item::use_anim);
+        Fire();
+        break;
+
+    case ACTION_FIRE_REPEAT:
+        PlayItemActionAnim(&assets::Item::use_anim, -5.0f);
+        break;
+
+    case ACTION_RELOAD:
+        // SetAiming(true);
+        // SetCanSprint(true);
+        PlayItemActionAnim(&assets::Item::reload_anim);
+        break;
+
+    case ACTION_UNAIM:
+        SetAiming(false);
+        SetCanSprint(false);
+        PlayItemActionAnim(&assets::Item::aim_anim, -3.0f);
+        break;
+
+    case ACTION_PUTAWAY:
+        SetAiming(false);
+        SetCanSprint(true);
+        PlayItemActionAnim(&assets::Item::raise_anim, -3.0f);
+        break;
+    
+    case ACTION_DIE:
+        SetAiming(false);
+        SetCanSprint(false);
+        PlayDeathAnim();
+        break;
+
+    case ACTION_DEAD:
+        EnablePhysics(false);
+        ClearItem();
+        TrySpawnLoot();
+        break;
+
+    default:
+        break;
+    }
+}
+
+int64_t game::HumanCharacter::GetActionStateTime() const
+{
+    return GetWorld().GetTime() - actionstate_start_;
+}
+
+game::ActionState game::HumanCharacter::CheckActionStateTransition()
+{
+    switch (actionstate_)
+    {
+    case ACTION_IDLE:
+        if (!IsAlive())
+            return ACTION_DIE;
+
+        if (PendingItemSwitch())
+            return ACTION_PUTAWAY;
+
+        if (NeedReload())
+            return ACTION_RELOAD;
+
+        if (aimheld_ && CanAim()) // want aim
+            return ACTION_AIM;
+
+        return ACTION_IDLE;
+
+    case ACTION_RAISE:
+        if (!IsAlive())
+            return ACTION_DIE;
+
+        if (PendingItemSwitch())
+            return ACTION_PUTAWAY;
+
+        if (IsActionAnimDone())
+            return ACTION_IDLE;
+
+        return ACTION_RAISE;
+
+    case ACTION_AIM:
+        if (!IsAlive())
+            return ACTION_DIE;
+
+        if (!aimheld_ || !CanAim())
+            return ACTION_UNAIM;
+
+        if (IsActionAnimDone())
+            return ACTION_AIMING;
+
+        return ACTION_AIM;
+
+    case ACTION_AIMING:
+        if (!IsAlive())
+            return ACTION_DIE;
+
+        if (!aimheld_ || !CanAim())
+            return ACTION_UNAIM;
+
+        if (fireheld_ && CanFire())
+            return ACTION_FIRE;
+
+        return ACTION_AIMING;
+
+    case ACTION_FIRE:
+        if (!IsAlive())
+            return ACTION_DIE;
+
+        if (IsActionAnimDone())
+            return ACTION_AIMING;
+
+        if (CanAim() && fireheld_ && CanFire())
+            return ACTION_FIRE_REPEAT;
+
+        return ACTION_FIRE;
+
+    case ACTION_FIRE_REPEAT:
+        // proxy to enter fire state again and reset anims and stuff
+        if (GetActionStateTime() > 0)
+            return ACTION_FIRE;
+
+        return ACTION_FIRE_REPEAT; 
+
+    case ACTION_RELOAD:
+        if (!IsAlive())
+            return ACTION_DIE;
+
+        // SetAiming(aimheld_); // optional here
+        if (IsActionAnimDone())
+        {
+            Reload();
+            return ACTION_IDLE;
+        }
+
+        return ACTION_RELOAD;
+
+    case ACTION_UNAIM:
+        if (!IsAlive())
+            return ACTION_DIE;
+
+        if (aimheld_ && CanAim()) // start aiming again
+            return ACTION_AIM;
+        
+        if (IsActionAnimDone())
+            return ACTION_IDLE;
+
+        return ACTION_UNAIM;
+
+    case ACTION_PUTAWAY:
+        if (!IsAlive())
+            return ACTION_DIE;
+
+        if (IsActionAnimDone())
+            return ACTION_RAISE;
+
+        if (!PendingItemSwitch()) // possibly player wants that item again
+            return ACTION_RAISE;
+
+        return ACTION_PUTAWAY;
+
+    case ACTION_DIE:
+        if (IsActionAnimDone())
+            return ACTION_DEAD;
+        
+        return ACTION_DIE;
+    
+    case ACTION_DEAD: 
+        return ACTION_DEAD; // no way back :(
+
+    default:
+        return actionstate_;
+    }
+}
+
+void game::HumanCharacter::UpdateDispersion()
+{
+    if (!item_)
+    {
+        dispersion_ = 0.0f;
+        return;
+    }
+
+    dispersion_ = glm::clamp(dispersion_ - (item_->def->dispersion_decay / 25.0f), item_->def->dispersion_min,
+                             item_->def->dispersion_max);
+}

src/game/human_character.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "character.hpp"
+#include "item_instance.hpp"
 
 namespace game
 {
@@ -13,6 +14,37 @@ struct HumanCharacterTuning
 class Rideable;
 class DrivableVehicle;
 
+using HumanCharacterStateSignals = uint32_t;
+
+enum HumanCharacterStateSignal : HumanCharacterStateSignals
+{
+    HSS_KNOCK_DOWN = 1,
+    HSS_RIDEABLE_CHANGED = 2,
+};
+
+enum HumanCharacterState
+{
+    HS_INIT,
+    HS_ON_FOOT,
+    HS_RIDING,
+    HS_KNOCKED_DOWN,
+};
+
+enum ActionState
+{
+    ACTION_IDLE,
+    ACTION_RAISE,
+    ACTION_AIM,
+    ACTION_AIMING,
+    ACTION_FIRE,
+    ACTION_FIRE_REPEAT,
+    ACTION_RELOAD,
+    ACTION_UNAIM,
+    ACTION_PUTAWAY,
+    ACTION_DIE,
+    ACTION_DEAD,
+};
+
 class HumanCharacter : public Character
 {
 public:
@@ -20,6 +52,9 @@ public:
     
     HumanCharacter(World& world, const HumanCharacterTuning& tuning);
     
+    virtual void Update() override;
+    virtual void ReceiveDamage(const DamageInfo& damage) override;
+
     const HumanCharacterTuning& GetHumanTuning() const { return human_tuning_; }
 
     void SetRideable(Rideable* rideable, size_t seat_idx); // called by Rideable!!
@@ -31,10 +66,75 @@ public:
     size_t GeatSeatIdx() const { return seat_idx_; }
     bool IsDriver() const { return is_driver_; }
     
+    void SetAimHeld(bool aimheld) { aimheld_ = aimheld; }
+    void SetFireHeld(bool fireheld) { fireheld_ = fireheld; }
+    void SetReloadHeld(bool reloadheld) { reloadheld_ = reloadheld; }
+
+    void Equip(std::shared_ptr<ItemInstance> item);
+    const std::shared_ptr<ItemInstance>& GetHeldItem() const { return item_; }
+
+    virtual void OnRideableDamaged(const DamageInfo& damage) {}
+
+    virtual void OnDamageDealt(bool was_kill) {}
+
+    bool IsDead() const;
+
     virtual ~HumanCharacter() override;
 
 protected:
     virtual void OnRideableChanged() {}
+    virtual void OnAimingChanged() {}
+    virtual void OnHeldItemChanged() {}
+    virtual bool HaveAmmo(const std::string& ammo_name);
+    virtual size_t GetAmmo(size_t required, const std::string& ammo_name);
+    virtual void SpawnLoot() {}
+
+    bool IsOnFoot() const;
+
+protected:
+    int64_t GetTime() const;
+    bool CanAim();
+    void SetAiming(bool aiming);
+    bool CanFire();
+    void Fire();
+    bool NeedReload();
+    bool CanReload();
+    void Reload();
+    bool PendingItemSwitch();
+    void SwitchItem();
+    void UpdateItemStuff();
+    void ClearItem();
+    void PlayItemActionAnim(const std::string assets::Item::*anim, float speed = 1.0f);
+    void PlayDeathAnim();
+    void TrySpawnLoot();
+
+    void UpdateState();
+    void SetSignal(HumanCharacterStateSignal signal);
+    bool PopSignal(HumanCharacterStateSignal signal);
+
+    //void StateInitEnter();
+    HumanCharacterState StateInitUpdate();
+    //void StateInitExit(); 
+
+    void StateOnFootEnter();
+    HumanCharacterState StateOnFootUpdate();
+    //void StateOnFootExit();
+
+    void StateRidingEnter();
+    HumanCharacterState StateRidingUpdate();
+    void StateRidingExit();
+
+    // void StateKnockedDownEnter();
+    HumanCharacterState StateKnockedDownUpdate();
+    // void StateKnockedDownExit();
+
+    void ResetActionState();
+    void UpdateActionState();
+    void EnterActionState(ActionState state);
+    int64_t GetActionStateTime() const;
+    ActionState CheckActionStateTransition();
+
+    void UpdateDispersion();
 
 private:
     HumanCharacterTuning human_tuning_;
@@ -43,6 +143,26 @@ private:
     DrivableVehicle* vehicle_ = nullptr;
     size_t seat_idx_ = 0;
     bool is_driver_ = false;
+
+    HumanCharacterState state_ = HS_INIT;
+    HumanCharacterStateSignals signals_ = 0;
+
+    glm::vec3 rideable_exit_pos_ = glm::vec3(0.0f);
+
+    bool aimheld_ = false;
+    bool fireheld_ = false;
+    bool reloadheld_ = false;
+
+    ActionState actionstate_ = ACTION_IDLE;
+    int64_t actionstate_start_ = 0;
+
+    std::shared_ptr<ItemInstance> item_;
+    std::shared_ptr<ItemInstance> pending_item_;
+    
+    int64_t last_fire_time_ = 0;
+    float dispersion_ = 0.0f;
+
+    bool loot_spawned_ = false;
 };
 }
 

src/game/inventory.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "item_instance.hpp"
+
+namespace game
+{
+
+struct Inventory
+{
+    std::shared_ptr<ItemInstance> slots[10];
+    size_t active_slot = 0;
+
+    std::map<std::string, size_t> ammo;
+};
+
+}

src/game/item_instance.cpp

@@ -0,0 +1,12 @@
+#include "item_instance.hpp"
+#include "assets/cache.hpp"
+
+game::ItemInstance::ItemInstance(std::shared_ptr<const assets::Item> def) : def(std::move(def))
+{
+    ammo = this->def->clip_size; // full clip by default
+}
+
+game::ItemInstance::ItemInstance(const std::string& name)
+    : ItemInstance(assets::CacheManager::GetItem("data/" + name + ".item"))
+{
+}

src/game/item_instance.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "assets/item.hpp"
+
+namespace game
+{
+
+struct ItemInstance
+{
+    std::shared_ptr<const assets::Item> def;
+    size_t ammo = 0;
+    
+    ItemInstance(std::shared_ptr<const assets::Item> def);
+    ItemInstance(const std::string& name);
+};
+
+}

src/game/mapinstance.cpp

@@ -76,11 +76,19 @@ game::MapObjectCollision::MapObjectCollision(collision::DynamicsWorld& world,
         model_->GetParamFloat("destr_th", destr_th_);
     }
 
+    int col_mask = ~collision::OG_STATIC; 
+
     // prefer simple cshape which allow destruction
     if (cshape)
     {
         body_ = std::make_unique<btRigidBody>(
             btRigidBody::btRigidBodyConstructionInfo(mass, nullptr, cshape, local_inertia));
+
+        if (!model_->IsColShapeBulletTarget())
+        {
+            col_mask &= ~collision::OG_PROJECTILE;
+            no_projectile_collision_ = true;
+        }
     }
     else if (cmesh)
     {
@@ -96,7 +104,7 @@ game::MapObjectCollision::MapObjectCollision(collision::DynamicsWorld& world,
     collision::SetObjectInfo(body_.get(), collision::OT_MAP_OBJECT, oflags, this);
 
     // world_.GetBtWorld().addRigidBody(body_.get(), btBroadphaseProxy::StaticFilter, btBroadphaseProxy::AllFilter);
-    world_.GetBtWorld().addRigidBody(body_.get());
+    world_.GetBtWorld().addRigidBody(body_.get(), collision::OG_STATIC, col_mask);
 }
 
 void game::MapObjectCollision::Break()
@@ -122,7 +130,11 @@ void game::MapObjectCollision::Break()
     
     collision::SetObjectInfo(body_.get(), collision::OT_UNDEFINED, 0, this);
     
-    world_.GetBtWorld().addRigidBody(body_.get());
+    int col_mask = collision::OG_ALL;
+    if (no_projectile_collision_)
+        col_mask &= ~collision::OG_PROJECTILE;
+
+    world_.GetBtWorld().addRigidBody(body_.get(), collision::OG_DEFAULT, col_mask);
 }
 
 void game::MapObjectCollision::GetModelTransform(Transform& trans) const

src/game/mapinstance.hpp

@@ -31,6 +31,8 @@ public:
     net::ObjNum GetNum() const { return num_; }
     float GetDestroyThreshold() const { return destr_th_; }
 
+    bool no_projectile_collision_ = false;
+    
     virtual ~MapObjectCollision() override;
 
 private:

src/game/marker.cpp

@@ -9,18 +9,18 @@ game::Marker::Marker(World& world, const MarkerInfo& info) : Super(world, net::E
 {
     root_.local.position = info_.position;
     root_.UpdateMatrix();
+
+    max_distance_ = 150.0f;
 }
 
 void game::Marker::SendInitData(Player& player, net::OutMessage& msg) const
 {
     Super::SendInitData(player, msg);
 
-    net::PositionQ pos_q;
-    net::EncodePosition(info_.position, pos_q);
-
     msg.Write(info_.type);
-    net::WritePositionQ(msg, pos_q);
+    net::WritePosition(msg, info_.position);
     net::WriteRGB(msg, info_.color);
+    msg.Write(net::ModelName(info_.model));
 }
 
 void game::Marker::Update()
@@ -31,6 +31,9 @@ void game::Marker::Update()
 
 bool game::Marker::QueryUseTarget(PlayerCharacter& character, uint32_t target_id, UseTargetQueryResult& res)
 {
+    if (!useable_)
+        return false;
+
     if (!query_cb_)
         return false;
 

src/game/marker.hpp

@@ -25,6 +25,7 @@ public:
     virtual void Use(PlayerCharacter& character, uint32_t target_id) override;
 
     void SetUseTarget(const std::string& name, MarkerQueryCallback query, MarkerUseCallback use);
+    void SetUseable(bool useable) { useable_ = useable; }
 
     virtual ~Marker() override;
 
@@ -35,6 +36,8 @@ private:
 
     MarkerQueryCallback query_cb_;
     MarkerUseCallback use_cb_;
+
+    bool useable_ = true;
 };
 
 

src/game/marker_info.hpp

@@ -11,6 +11,7 @@ enum MarkerType : uint8_t
 {
     MARKER_FOOT,
     MARKER_VEHICLE,
+    MARKER_PICKUP,
 };
 
 struct MarkerInfo
@@ -18,7 +19,7 @@ struct MarkerInfo
     glm::vec3 position;
     MarkerType type;
     uint32_t color;
-    std::string icon;
+    std::string model;
 };
 
 }

src/game/npc_character.cpp

@@ -1,77 +1,274 @@
 #include "npc_character.hpp"
 #include "openworld.hpp"
 #include "drivable_vehicle.hpp"
+#include "utils/random.hpp"
+#include "player_character.hpp"
 
 #include <array>
 #include <iostream>
 
-game::NpcCharacter::NpcCharacter(World& world, const HumanCharacterTuning& tuning) : Super(world, tuning) {
+static constexpr size_t PATH_NEXT_WAYPOINTS = 16;
-    UpdateVehicleState();
+
+game::NpcCharacter::NpcCharacter(World& world, const HumanCharacterTuning& tuning) : Super(world, tuning)
+{
+    roads_ = world_.GetMap().GetGraph("roads");
+
+    EnterThinkState(THINKSTATE_IDLE);
+    EnterDriverThinkState(DRIVERSTATE_NONE);
 }
 
 void game::NpcCharacter::Update()
 {
+    UpdateEnemy();
+    Think();
+    DriverThink();
     Super::Update();
+}
 
-    if (GetVehicle() && IsDriver())
+void game::NpcCharacter::ReceiveDamage(const DamageInfo& damage)
-        VehicleThink();
+{
+    Super::ReceiveDamage(damage);
+
+    if (IsAlive() && damage.inflictor)
+    {
+        MakeEnemy(damage.inflictor->GetEntNum());
+    }
+}
+
+void game::NpcCharacter::SetWeapon(std::shared_ptr<ItemInstance> weapon)
+{
+    weapon_ = std::move(weapon);
+}
+
+bool game::NpcCharacter::IsBored(int64_t time) const
+{
+    return (think_state_ == THINKSTATE_IDLE && GetCurrentThinkStateDuration() > time &&
+            driver_state_ == DRIVERSTATE_NONE && GetCurrentDriverThinkStateDuration() > time && !GetRideable());
+}
+
+void game::NpcCharacter::Die()
+{
+    DamageInfo damage{};
+    damage.type = DAMAGE_OTHER;
+    damage.damage = 100000.0f;
+    ReceiveDamage(damage);
 }
 
 void game::NpcCharacter::OnRideableChanged()
 {
-    UpdateVehicleState();
+    EnterThinkState(THINKSTATE_IDLE);
 }
 
-void game::NpcCharacter::UpdateVehicleState()
+void game::NpcCharacter::OnRideableDamaged(const DamageInfo& damage)
+{
+    if (damage.inflictor)
+    {
+        MakeEnemy(damage.inflictor->GetEntNum());
+    }
+}
+
+void game::NpcCharacter::SpawnLoot()
+{
+    if (weapon_)
+    {
+        size_t ammo = weapon_->def->clip_size * 5;
+        GetWorld().CreateItemPickup(root_.GetGlobalPosition(), std::move(weapon_), 60000, 0, ammo);
+    }
+}
+
+void game::NpcCharacter::MakeEnemy(net::EntNum enemy_num)
+{
+    // it must have been a mistake
+    if (Chance(0.1f))
+    {
+        return;
+    }
+
+    // cant switch enemies that fast
+    auto time = GetWorld().GetTime();
+    if (enemy_num != enemy_num_ && time - enemy_time_ < 5000)
+    {
+        return; 
+    }
+
+    // increase anger
+    if (Chance(0.7f))
+    {
+        follow_enemy_ = true;
+    }
+
+    // this mf is already my current enemy
+    if (enemy_num == enemy_num_)
+    {
+        return;
+    }
+
+    // already have another enemy, likely stay focused on him
+    if (enemy_num_ != 0 && Chance(0.7f))
+    {
+        return;
+    }
+
+    // he is npc and i am not his target, was SURELY a missclick
+    auto enemy_npc = dynamic_cast<NpcCharacter*>(GetWorld().GetEntity(enemy_num));
+    if (enemy_npc && enemy_npc->enemy_num_ != GetEntNum() && Chance(0.3f))
+    {
+        return;
+    }
+
+    // OK this one is now my enemy
+    enemy_num_ = enemy_num;
+    enemy_time_ = time;
+    follow_enemy_ = false;
+    UpdateEnemy();
+}
+
+void game::NpcCharacter::UpdateEnemy()
+{
+    if (enemy_num_ == 0)
+    {
+        enemy_ = nullptr;
+        return;
+    }
+
+    enemy_ = dynamic_cast<HumanCharacter*>(GetWorld().GetEntity(enemy_num_));
+
+    if (!enemy_ || CheckEnemyLost())
+    {
+        ClearEnemy();
+        return;
+    }
+
+    if (GetAiming())
+    {
+        SetAimTarget(enemy_->GetRoot().matrix * glm::vec4(0.0f, 0.0f, 1.7f, 1.0f));
+    }
+
+    // in vehicle with me?????
+    if (GetRideable() && enemy_->GetRideable() == GetRideable())
+    {
+        Ride(nullptr, 0);
+    }
+}
+
+bool game::NpcCharacter::CheckEnemyLost()
+{
+    if (!enemy_->IsAlive())
+    {
+        return true; // may he rest in peace
+    }
+
+    const float max_dist = 150.0f;
+    auto dist2 = glm::distance2(root_.GetGlobalPosition(), enemy_->GetRoot().GetGlobalPosition());
+    if (dist2 > (max_dist * max_dist))
+        return true; // lost
+
+    return false;
+}
+
+bool game::NpcCharacter::HasEnemy() const
+{
+    return enemy_;
+}
+
+void game::NpcCharacter::ClearEnemy()
+{
+    enemy_num_ = 0;
+    enemy_ = nullptr;
+    enemy_time_ = 0;
+    follow_enemy_ = false;
+}
+
+bool game::NpcCharacter::WantsToFollowEnemy()
+{
+    return HasEnemy() && follow_enemy_ && IsArmed();
+}
+
+bool game::NpcCharacter::IsArmed() const
+{
+    return weapon_.get() != nullptr;
+}
+
+bool game::NpcCharacter::IsVehicleDriver() const
+{
+    return GetVehicle() && IsDriver() && IsAlive();
+}
+
+void game::NpcCharacter::ResetVehiclePath()
 {
-    roads_ = nullptr;
     path_.clear();
-    gas_ = false;
+    last_waypoint_idx_= 0;
-    stuck_counter_ = 0;
+}
-    vehicle_state_ = NVT_NORMAL;
-    speed_limit_ = 0.0f;
 
-    if (GetVehicle() && IsDriver())
+void game::NpcCharacter::FindVehiclePath(const glm::vec3& position)
 {
-        roads_ = world_.GetMap().GetGraph("roads");
+    if (path_.empty())
-
+    {
-        seg_start_ = GetVehicle()->GetRootTransform().position;
+        // path_.clear(); // make sure there is not 1 left
-        
+        // path_.push_back(position); // take current pos as first waypoint
-        size_t start_node = 0;
-        float min_dist = std::numeric_limits<float>().infinity();
 
+        // find closest waypoint as first
+        size_t closest = 0;
+        float closest_dist2 = 10000000000.0f;
         for (size_t i = 0; i < roads_->nodes.size(); ++i)
         {
-            auto& node = roads_->nodes[i];
+            auto d = position - roads_->nodes[i].position;
-            float dist = glm::distance(node.position, seg_start_);
+            auto dist2 = glm::dot(d, d);
-            if (dist < min_dist)
+            if (dist2 < closest_dist2)
             {
-                min_dist = dist;
+                closest_dist2 = dist2;
-                start_node = i;
+                closest = i;
             }
         }
 
-        path_.push_back(start_node);
+        path_.push_back(roads_->nodes[closest].position);
-
+        last_waypoint_idx_ = closest;
-    }
     }
 
-void game::NpcCharacter::SelectNextNode()
+    while (path_.size() < PATH_NEXT_WAYPOINTS)
     {
-    size_t node = path_.back();
+        const auto& last = roads_->nodes[last_waypoint_idx_];
-    size_t num_nbs = roads_->nodes[node].num_nbs;
+        if (last.num_nbs == 0)
-
-    if (num_nbs < 1)
         {
-        const auto& pos = roads_->nodes[node].position;
+            throw std::runtime_error("dead end from waypoint: " + last_waypoint_idx_);
-        std::cout << "node " << node << " has no neighbors!!!1 position: " << pos.x << " " << pos.y << " " << pos.z
-                    << std::endl;
-        throw std::runtime_error("no neighbors");
         }
         
-    path_.push_back(roads_->nbs[roads_->nodes[node].nbs + (rand() % num_nbs)]);
+        size_t random_next_idx = rand() % last.num_nbs;
+        size_t nb_idx = roads_->nbs[last.nbs + random_next_idx];
+        path_.push_back(roads_->nodes[nb_idx].position);
+        last_waypoint_idx_ = nb_idx;
+    }
 }
 
+static float FindClosestPointOnSegment(const glm::vec3& p0, const glm::vec3& p1, const glm::vec3& pos)
+{
+    glm::vec3 seg_dir = p1 - p0;
+    float seg_len2 = glm::dot(seg_dir, seg_dir);
+    if (seg_len2 < 0.0001f)
+        return 0.0f; // segment is too short
+
+    float t = glm::dot(pos - p0, seg_dir) / seg_len2;
+    // t = glm::clamp(t, 0.0f, 1.0f);
+    return t;
+}
+
+static glm::vec3 LookAhead(std::span<glm::vec3> path, float distance)
+{
+    for (size_t i = 0; i < path.size() - 1; ++i)
+    {
+        const auto& p0 = path[i];
+        const auto& p1 = path[i + 1];
+        auto seg_dist = glm::distance(p0, p1);
+        if (distance < seg_dist)
+        {
+            return glm::mix(p0, p1, distance / seg_dist);
+        }
+
+        distance -= seg_dist;
+    }
+
+    return path.back();
+}
 
 static float GetTurnAngle2D(const glm::vec2& forward, const glm::vec2& to_target)
 {
@@ -96,191 +293,514 @@ static float GetTurnAngle(const glm::vec3& pos, const glm::quat& rot, const glm:
     return GetTurnAngle2D(forward_xy, to_target_xy);
 }
 
-void game::NpcCharacter::VehicleThink()
+float CalculateNPCTargetSpeed(std::span<const glm::vec3> waypoints, const glm::quat& vehicleOrientation)
 {
-    if (!roads_)
+    // Configuration parameters (Tweak these to match your game's driving feel)
-        return;
+    const float MAX_SPEED_KMH = 100.0f;      // Speed on a straight road
+    const float MIN_SPEED_KMH = 20.0f;       // Speed in a very sharp turn
+    const float LOOK_AHEAD_DISTANCE = 200.0f; // How far ahead (in meters) the NPC cares about
 
-    auto vehicle = GetVehicle();
+    // Safety check: We need at least the current position (0) and the next waypoint (1)
-
+    // to calculate a heading. More waypoints improve the curve estimation.
-    if (vehicle_state_ == NVT_REVERSING)
+    if (waypoints.size() < 2)
     {
-        if (reversing_frames_ > 0)
+        return MIN_SPEED_KMH;
-        {
-            --reversing_frames_;
-        }
-        else
-        {
-            vehicle_state_ = NVT_NORMAL;
-            stuck_counter_ = 0;
-            vehicle->SetInput(game::VIN_BACKWARD, false);
-        }
-        return;
     }
 
+    // Initialize vehicle forward vector from orientation
+    glm::vec3 vehicleForward = vehicleOrientation * glm::vec3(0.0f, 1.0f, 0.0f);
 
-    const auto& vehicle_trans = vehicle->GetRootTransform();
+    float accumulatedSharpness = 0.0f;
+    float distanceEvaluated = 0.0f;
 
-    const glm::vec3& pos = vehicle_trans.position;
+    // We start by checking the angle between the vehicle's current heading and the first segment
-    const glm::quat& rot = vehicle_trans.rotation;
+    glm::vec3 currentDir = vehicleForward;
-    glm::vec3 forward = rot * glm::vec3{0.0f, 1.0f, 0.0f};
 
-    // glm::vec3 target = s->roads.nodes[s->node].position;
+    for (size_t i = 0; i < waypoints.size() - 1; ++i)
-
-    //
-    std::array<glm::vec3, 8> waypoints;
-
-    while (path_.size() < waypoints.size() - 1)
     {
-        SelectNextNode();
+        glm::vec3 segment = waypoints[i + 1] - waypoints[i];
-    }
+        float segmentLength = glm::length(segment);
 
-    glm::vec3 node_pos = roads_->nodes[path_.front()].position;
+        if (segmentLength < 0.1f)
-    if (glm::distance(glm::vec2(pos), glm::vec2(node_pos)) < 6.0f && path_.size() > 1)
+            continue; // Skip duplicate waypoints
-    {
-        seg_start_ = node_pos;
-        path_.pop_front();
-        SelectNextNode();
-    }
 
-    glm::vec3 target_node_pos = roads_->nodes[path_.front()].position;
+        // Accumulate distance. Stop looking ahead if it's too far down the road.
-
+        distanceEvaluated += segmentLength;
-    waypoints[0] = pos - glm::normalize(forward) * 3.0f;
+        if (distanceEvaluated > LOOK_AHEAD_DISTANCE)
-    waypoints[1] = pos;
-
-    // find closest point on segment [seg_start -> target_node_pos]
-    glm::vec3 seg_end = target_node_pos;
-    glm::vec3 seg_dir = seg_end - seg_start_;
-    float seg_len = glm::length(seg_dir);
-    if (seg_len > 5.0f)
-    {
-        glm::vec3 seg_dir_norm = seg_dir / seg_len;
-        float t = glm::clamp(glm::dot(pos - seg_start_, seg_dir_norm) / seg_len, 0.0f, 1.0f);
-        waypoints[2] = seg_start_ + t * seg_dir;
-        if (glm::distance(waypoints[1], target_node_pos) > 10.0f)
-        {
-            waypoints[2] += seg_dir_norm * 10.0f; // look a bit ahead on segment
-        }
-        else
-        {
-            waypoints[2] = target_node_pos;
-        }
-    }
-    else
-    {
-        waypoints[2] = target_node_pos;
-    }
-
-    for (size_t i = 3; i < waypoints.size(); ++i)
-    {
-        size_t path_idx = glm::min(i - 3, path_.size() - 1);
-        waypoints[i] = roads_->nodes[path_[path_idx]].position;
-    }
-
-    // decrease speed based on curvature
-    const float base_speed = 100.0f;
-    float target_speed = base_speed;
-    float dist_accum = 0.0f;
-    for (size_t i = 1; i < waypoints.size() - 1; ++i)
-    {
-        glm::vec3 dir1 = waypoints[i] - waypoints[i - 1];
-        glm::vec3 dir2 = waypoints[i + 1] - waypoints[i];
-        float dist = glm::length(dir1);
-        dist_accum += dist;
-
-        glm::vec2 dir1_xy = glm::vec2{dir1.x, dir1.y};
-        glm::vec2 dir2_xy = glm::vec2{dir2.x, dir2.y};
-
-        const float min_dir_length = 0.001f;
-        float angle = glm::length(dir1_xy) > min_dir_length && glm::length(dir2_xy) > min_dir_length
-                            ? GetTurnAngle2D(dir1_xy, dir2_xy)
-                            : 0.0f;
-        // std::cout << "angle: " << angle << "\n";
-        float abs_angle = fabsf(angle);
-        if (abs_angle > glm::radians(7.0f))
-        {
-            // float speed_limit = 50.0f / abs_angle; // sharper turn -> lower speed
-            // speed_limit *= dist_accum / 20.0f; // more distance to turn -> higher speed
-            // speed_limit = glm::max(speed_limit, 20.0f);
-            // max_speed = glm::min(max_speed, speed_limit);
-            target_speed -=
-                abs_angle * (base_speed / glm::pi<float>() / 2.0f) * 50.0f / glm::max(dist_accum - 1.0f, 1.0f);
-        }
-
-        if (dist_accum > 200.0f)
             break;
+
+        glm::vec3 nextDir = segment / segmentLength; // Normalized direction
+
+        // Dot product gives the cosine of the angle between segments (range: -1 to 1)
+        // 1.0 means perfectly straight, 0.0 means 90-degree turn, -1.0 is a hairpin U-turn.
+        float dot = glm::dot(currentDir, nextDir);
+
+        // Clamp to avoid float precision issues with acos/sqrt logic
+        dot = glm::clamp(dot, -1.0f, 1.0f);
+
+        // Turn sharpness: 0.0 (straight) to 2.0 (180-degree turn)
+        float sharpness = 1.0f - dot;
+
+        // Distance weighting: turns further away matter less
+        float distanceWeight = 1.0f - (distanceEvaluated / LOOK_AHEAD_DISTANCE);
+        distanceWeight = glm::max(distanceWeight, 0.0f);
+
+        // Accumulate weighted sharpness
+        accumulatedSharpness += sharpness * distanceWeight;
+
+        // Move to the next segment
+        currentDir = nextDir;
     }
 
-    target_speed = glm::clamp(target_speed, 25.0f, 100.0f);
+    // Map the sharpness to a speed limit.
-    speed_limit_ = target_speed;
+    // If accumulatedSharpness is 0, t = 0 -> MAX_SPEED.
+    // We cap sharpness sensitivity at 1.0 (roughly a sharp 90-degree turn nearby).
+    float t = glm::clamp(accumulatedSharpness, 0.0f, 1.0f);
 
-    // std::cout << "target speed: " << target_speed << "\n";
+    // Linear interpolation between max and min speed based on sharpness
+    float targetSpeedKMH = glm::mix(MAX_SPEED_KMH, MIN_SPEED_KMH, t);
 
-    float angle = GetTurnAngle(pos, rot, waypoints[2]);
+    return targetSpeedKMH;
+}
 
-    if (glm::distance(pos, last_pos_) < 2.0f)
+void game::NpcCharacter::UpdateVehicleInput(std::span<glm::vec3> actual_path)
 {
-        stuck_counter_++;
+    auto vehicle = GetVehicle();
-        if (stuck_counter_ > 100)
+    auto vehicle_pos = vehicle->GetRoot().GetGlobalPosition();
+    const auto& vehicle_rot = vehicle->GetRoot().local.rotation;
+
+    auto target_pos = LookAhead(actual_path, glm::max(2.0f, vehicle->GetSpeed() * 0.2f));
+    // auto target_speed = 10.0f;
+    std::span<glm::vec3> speed_path = actual_path;
+    if (glm::distance2(actual_path[0], actual_path[1]) < 4.0f)
     {
-            //s->state_str = "stuck (reverse)";
+        speed_path = { actual_path.begin() + 1, actual_path.end() };
-            //s->stuck_counter = 0;
-            //s->vehicle.SetSteering(true, -angle); // try turn away
-
-            //s->vehicle.SetInputs(0); // stop
-            //// stuck, go reverse for a while
-            //s->vehicle.SetInput(game::VIN_BACKWARD, true);
-            //s->vehicle.Schedule(2000, [s]() {
-            //    s->vehicle.SetInput(game::VIN_BACKWARD, false);
-            //    BotThink(s);
-            //});
-
-            vehicle->SetSteering(true, -angle); // try turn away while reversing
-            vehicle->SetInputs(0); // stop
-            vehicle->SetInput(game::VIN_BACKWARD, true);
-            vehicle_state_ = NVT_REVERSING;
-            reversing_frames_ = 50; // reverse for 50 frames
-
-            // GetVehicleOld()->SetInputs(0); // stop
-            // is_driver_ = false; // TODO: fix 
-            return;
     }
-    }
+
-    else
+    auto target_speed = CalculateNPCTargetSpeed(speed_path, vehicle_rot);
+
+    if (in_hurry_)
     {
-        stuck_counter_ = 0;
+        target_speed *= 4.0f;
-        last_pos_ = pos;
     }
 
-    vehicle->SetSteering(true, angle);
+    // set steering
-
+    vehicle_steer_ = GetTurnAngle(vehicle_pos, vehicle_rot, target_pos);
-    game::VehicleInputFlags vin = 0;
 
+    // set input
     float speed = vehicle->GetSpeed();
 
-    // if (glm::distance(pos, target) < 10.0f)
+    if (speed < target_speed * 0.9f && ((vehicle_in_ & (1<<VIN_FORWARD)) == 0))
-    // {
-    //     target_speed = 20.0f;
-    // }
-
-    if (speed < target_speed * 0.9f && !gas_)
     {
-        gas_ = true;
+        // gas
+        vehicle_in_ |= (1<<VIN_FORWARD);
     }
-    else if (speed > target_speed * 1.1f && gas_)
+    else if (speed > target_speed * 1.1f && ((vehicle_in_ & (1<<VIN_FORWARD)) > 0))
     {
-        gas_ = false;
+        // no gas
-    }
+        vehicle_in_ &= ~(1<<VIN_FORWARD);
-
-    if (gas_)
-    {
-        vin |= 1 << game::VIN_FORWARD;
     }
 
     if (speed > target_speed * 1.4f)
     {
-        vin |= 1 << game::VIN_BACKWARD;
+        // brake
+        vehicle_in_ |= (1<<VIN_BACKWARD);
+    }
+    else
+    {
+        // dont brake
+        vehicle_in_ &= ~(1<<VIN_BACKWARD);
     }
 
-    vehicle->SetInputs(vin);
+
+    // debug draw path
+    // float beam_dist = 30.0f;
+    // for (size_t i = 0; i < actual_path.size() - 1; ++i)
+    // {
+    //     const auto& p0 = actual_path[i];
+    //     auto p1 = actual_path[i + 1];
+
+    //     auto dist = glm::distance(p0, p1);
+    //     if (beam_dist < dist)
+    //     {
+    //         p1 = glm::mix(p0, p1, beam_dist / dist);
+    //     }
+
+    //     GetWorld().Beam(p0, p1, i % 2 == 0 ? 0xFF0000FF : 0xFF0077FF, 1.5f / 25.0f);
+    
+    //     beam_dist -= dist;
+    //     if (beam_dist <= 0.0f)
+    //         break;
+    // }
+    // GetWorld().Beam(vehicle_pos, target_pos, 0xFFFF00FF, 1.5f / 25.0f);
+    // GetWorld().BeamBox(target_pos - 0.05f, target_pos + 0.05f, 0xFFFF00FF, 1.5f / 25.0f);
+}
+
+void game::NpcCharacter::UpdateVehicleInputToFollowPath() 
+{
+    auto vehicle = GetVehicle();
+    if (!vehicle)
+        return;
+
+    auto vehicle_pos = vehicle->GetRoot().GetGlobalPosition();
+    
+    FindVehiclePath(vehicle_pos);
+
+    float seg_t;
+
+    // check if we reached next waypoint
+    while (true)
+    {
+        auto seg_dir = path_[1] - path_[0];
+        auto seg_len2 = glm::dot(seg_dir, seg_dir);
+        auto seg_len = glm::sqrt(seg_len2);
+        if (seg_len > 0.1f)
+        {
+            seg_t = glm::dot(vehicle_pos - path_[0], seg_dir) / seg_len2;
+            if (seg_t < (1.0f - 3.0f / seg_len))
+            {
+                break;
+            }
+        }
+
+        path_.pop_front();
+        FindVehiclePath(vehicle_pos);
+        
+    }
+
+    seg_t = glm::clamp(seg_t, 0.0f, 1.0f);
+
+    const auto& p0 = path_[0];
+    const auto& p1 = path_[1];
+    auto on_segment = glm::mix(p0, p1, seg_t);
+
+    std::array<glm::vec3, PATH_NEXT_WAYPOINTS + 1> actual_path; // pos,on_segment,path[1],path[2]...
+    actual_path[0] = vehicle_pos;
+    actual_path[1] = on_segment;
+    for (size_t i = 1; i < PATH_NEXT_WAYPOINTS; ++i)
+    {
+        actual_path[i + 2 - 1] = path_[i];
+    }
+
+    UpdateVehicleInput(actual_path);
+}
+
+void game::NpcCharacter::UpdateVehicleInputToFollowEnemy()
+{
+    if (!enemy_)
+    {
+        vehicle_in_ = 0;
+        vehicle_steer_ = 0.0f;
+        return;   
+    }
+
+    auto vehicle = GetVehicle();
+    if (!vehicle)
+        return;
+
+    std::array<glm::vec3, 2> actual_path;
+    actual_path[0] = vehicle->GetRoot().GetGlobalPosition();;
+    actual_path[1] = enemy_->GetRoot().GetGlobalPosition();;
+
+    UpdateVehicleInput(actual_path);
+}
+
+bool game::NpcCharacter::CheckStuck()
+{
+    auto pos = root_.GetGlobalPosition();
+    auto dist2 = glm::distance2(pos, last_pos_);
+
+    // far, not stuck
+    if (dist2 > 4.0f)
+    {
+        last_pos_ = pos;
+        stuck_counter_ = 0;
+        return false;
+    }
+
+    ++stuck_counter_;
+
+    // close but only short time yet
+    if (stuck_counter_ < 100)
+        return false;
+
+    // stuck
+    last_pos_ = pos;
+    stuck_counter_ = 0;
+    return true;
+}
+
+static game::CharacterInputFlags GetRandomStrafeDir(float strafe_chance)
+{
+    auto dir_choice = RandomFloat(0.0f, 1.0f);
+
+    if (dir_choice > strafe_chance)
+        return 0;
+
+    return (dir_choice < strafe_chance * 0.5f) ? (1 << game::CIN_RIGHT) : (1 << game::CIN_LEFT);
+}
+
+void game::NpcCharacter::Think()
+{
+    while (true)
+    {
+        auto new_state = CheckThinkStateTransition();
+        if (new_state == think_state_)
+            break;
+
+        EnterThinkState(new_state);
+    }
+}
+
+void game::NpcCharacter::EnterThinkState(ThinkState state)
+{
+    think_state_ = state;
+    think_state_time_ = GetWorld().GetTime();
+
+    switch (state)
+    {
+    case THINKSTATE_IDLE:
+        SetAimHeld(false);
+        SetFireHeld(false);
+        Equip(nullptr);
+        SetInputs(0);
+        in_hurry_ = false;
+        break;
+
+    case THINKSTATE_MAD_IDLE:
+        SetAimHeld(false);
+        SetFireHeld(false);
+        Equip(weapon_);
+        SetInputs(0);
+        SetTargetThinkStateDuration(100, 300);
+        break;
+
+    case THINKSTATE_MAD_AIM:
+        SetAimHeld(true);
+        SetFireHeld(false);
+        Equip(weapon_);
+        SetInputs(GetRandomStrafeDir(0.8f));
+        SetTargetThinkStateDuration(200, 800);
+        break;
+
+    case THINKSTATE_MAD_FIRE:
+        SetAimHeld(true);
+        SetFireHeld(true);
+        Equip(weapon_);
+        SetInputs(GetRandomStrafeDir(0.4f));
+        SetTargetThinkStateDuration(200, 1200);
+        break;
+
+    case THINKSTATE_SCARED:
+        SetAimHeld(false);
+        SetFireHeld(false);
+        Equip(nullptr);
+        SetInputs(0);
+        in_hurry_ = true;
+        SetTargetThinkStateDuration(5000, 10000);
+        break;
+
+    case THINKSTATE_BRAINDEAD:
+        SetAimHeld(true);
+        SetFireHeld(true);
+        SetInputs(0);
+        in_hurry_ = false;
+        break;
+    }
+
+}
+
+game::ThinkState game::NpcCharacter::CheckThinkStateTransition()
+{
+    if (!IsAlive())
+        return THINKSTATE_BRAINDEAD;
+
+    switch (think_state_)
+    {
+    case THINKSTATE_IDLE:
+        if (HasEnemy())
+            return IsArmed() ? THINKSTATE_MAD_IDLE : THINKSTATE_SCARED;
+
+        return THINKSTATE_IDLE;
+
+    case THINKSTATE_MAD_IDLE:
+        if (!HasEnemy() || !IsArmed())
+            return THINKSTATE_IDLE;
+
+        if (HasThinkStateDurationElapsed() && CanAim())
+            return THINKSTATE_MAD_AIM;
+
+        return THINKSTATE_MAD_IDLE;
+
+    case THINKSTATE_MAD_AIM:
+        if (!HasEnemy() || !IsArmed())
+            return THINKSTATE_IDLE;
+
+        if (GetCurrentThinkStateDuration() > 0 && !GetAiming()) // reload or sth
+            return THINKSTATE_MAD_IDLE;
+
+        if (HasThinkStateDurationElapsed())
+            return THINKSTATE_MAD_FIRE;
+
+        return THINKSTATE_MAD_AIM;
+
+    case THINKSTATE_MAD_FIRE:
+        if (HasThinkStateDurationElapsed())
+            return THINKSTATE_MAD_AIM;
+
+        return THINKSTATE_MAD_FIRE;
+    
+    case THINKSTATE_SCARED:
+        if (HasThinkStateDurationElapsed())
+            return THINKSTATE_IDLE;
+
+        return THINKSTATE_SCARED;
+
+    default:
+        return THINKSTATE_IDLE;
+    }
+}
+
+int64_t game::NpcCharacter::GetCurrentThinkStateDuration() const
+{
+    return GetWorld().GetTime() - think_state_time_;
+}
+
+void game::NpcCharacter::SetTargetThinkStateDuration(int duration_min, int duration_max)
+{
+    if (duration_max == 0)
+    {
+        think_state_target_duration_ = duration_min;
+    }
+    else
+    {
+        think_state_target_duration_ = RandomInt(duration_min, duration_max);
+    }
+}
+
+bool game::NpcCharacter::HasThinkStateDurationElapsed() const
+{
+    return GetCurrentThinkStateDuration() >= think_state_target_duration_;
+}
+
+void game::NpcCharacter::DriverThink()
+{
+    while (true)
+    {
+        auto new_state = CheckDriverThinkStateTransition();
+        if (new_state == driver_state_)
+            break;
+
+        EnterDriverThinkState(new_state);
+    }
+
+    auto vehicle = GetVehicle();
+    if (vehicle && IsDriver())
+    {
+        vehicle->SetSteering(true, vehicle_steer_);
+        vehicle->SetInputs(vehicle_in_);
+    }
+}
+
+void game::NpcCharacter::EnterDriverThinkState(DriverThinkState state)
+{
+    prev_driver_state_ = driver_state_;
+    driver_state_ = state;
+    driver_state_time_ = GetWorld().GetTime();
+
+    stuck_counter_ = 0;
+
+    switch (state)
+    {
+    case DRIVERSTATE_NONE:
+        vehicle_in_ = 0;
+        vehicle_steer_ = 0.0f;
+        break;
+
+    case DRIVERSTATE_PATH_BEGIN:
+        vehicle_in_ = 0;
+        vehicle_steer_ = 0.0f;
+        ResetVehiclePath();
+        break;
+
+    case DRIVERSTATE_PATH:
+        break;
+
+    case DRIVERSTATE_REVERSE:
+        vehicle_in_ = 1<<VIN_BACKWARD; // go reverse
+        vehicle_steer_ = -vehicle_steer_; // try turn away
+        break;
+
+    case DRIVERSTATE_FOLLOW_ENEMY:
+        break;
+
+    default:
+        break;
+    }
+}
+
+game::DriverThinkState game::NpcCharacter::CheckDriverThinkStateTransition()
+{
+    switch (driver_state_)
+    {
+    case DRIVERSTATE_NONE:
+        if (IsVehicleDriver() && GetCurrentDriverThinkStateDuration() > 1000) // take some time to think
+        {
+            if (WantsToFollowEnemy())
+                return DRIVERSTATE_FOLLOW_ENEMY;
+
+            return DRIVERSTATE_PATH_BEGIN;
+        }
+
+        return DRIVERSTATE_NONE;
+
+    case DRIVERSTATE_PATH_BEGIN:
+        return DRIVERSTATE_PATH;
+    
+    case DRIVERSTATE_PATH:
+        if (!IsVehicleDriver())
+            return DRIVERSTATE_NONE;
+
+        if (WantsToFollowEnemy())
+            return DRIVERSTATE_NONE;
+
+        if (CheckStuck())
+            return DRIVERSTATE_REVERSE;
+
+        // update input
+        UpdateVehicleInputToFollowPath();
+
+        return DRIVERSTATE_PATH;
+
+    case DRIVERSTATE_FOLLOW_ENEMY:
+        if (!IsVehicleDriver())
+            return DRIVERSTATE_NONE;
+
+        if (!WantsToFollowEnemy())
+            return DRIVERSTATE_NONE;
+
+        if (CheckStuck())
+            return DRIVERSTATE_REVERSE;
+
+        UpdateVehicleInputToFollowEnemy();
+
+        return DRIVERSTATE_FOLLOW_ENEMY;
+
+    case DRIVERSTATE_REVERSE:
+        if (!IsVehicleDriver())
+            return DRIVERSTATE_NONE;
+
+        if (GetCurrentDriverThinkStateDuration() > 3000)
+            return prev_driver_state_;
+    
+        return DRIVERSTATE_REVERSE;
+
+    default:
+        return DRIVERSTATE_NONE;
+    }
+}
+
+int64_t game::NpcCharacter::GetCurrentDriverThinkStateDuration() const
+{
+    return GetWorld().GetTime() - driver_state_time_;
 }

src/game/npc_character.hpp

@@ -2,16 +2,30 @@
 
 #include "assets/map.hpp"
 #include "human_character.hpp"
+#include "vehicle.hpp"
 
 namespace game
 {
 
 class OpenWorld;
 
-enum NpcVehicleThinkState
+enum ThinkState
 {
-    NVT_NORMAL,
+    THINKSTATE_IDLE,
-    NVT_REVERSING,
+    THINKSTATE_MAD_IDLE,
+    THINKSTATE_MAD_AIM,
+    THINKSTATE_MAD_FIRE,
+    THINKSTATE_SCARED,
+    THINKSTATE_BRAINDEAD,
+};
+
+enum DriverThinkState
+{
+    DRIVERSTATE_NONE,
+    DRIVERSTATE_PATH_BEGIN,
+    DRIVERSTATE_PATH,
+    DRIVERSTATE_REVERSE,
+    DRIVERSTATE_FOLLOW_ENEMY,
 };
 
 class NpcCharacter : public HumanCharacter
@@ -23,26 +37,84 @@ public:
 
     virtual void Update() override;
 
+    virtual void ReceiveDamage(const DamageInfo& damage) override;
+
+    void SetWeapon(std::shared_ptr<ItemInstance> weapon);
+
+    bool IsBored(int64_t time) const;
+    void Die();
+
+    // net::EntNum GetEnemyNum() const { return enemy_num_; }
+
 protected:
     virtual void OnRideableChanged() override;
+    virtual void OnRideableDamaged(const DamageInfo& damage) override;
+    virtual void SpawnLoot() override;
 
 private:
-    void UpdateVehicleState();
+    void MakeEnemy(net::EntNum enemy_num);
-    void SelectNextNode();
+    void UpdateEnemy();
-    void VehicleThink();
+    bool CheckEnemyLost();
+    bool HasEnemy() const;
+    void ClearEnemy();
+    bool WantsToFollowEnemy();
+
+    bool IsArmed() const;
+
+    bool IsVehicleDriver() const;
+    void ResetVehiclePath();
+    void FindVehiclePath(const glm::vec3& position);
+    void UpdateVehicleInput(std::span<glm::vec3> path);
+    void UpdateVehicleInputToFollowPath();
+    void UpdateVehicleInputToFollowEnemy();
+    bool CheckStuck();
+
+    void Think();
+    void EnterThinkState(ThinkState state);
+    ThinkState CheckThinkStateTransition();
+    int64_t GetCurrentThinkStateDuration() const;
+    void SetTargetThinkStateDuration(int duration_min, int duration_max = 0);
+    bool HasThinkStateDurationElapsed() const;
+
+    void DriverThink();
+    void EnterDriverThinkState(DriverThinkState state);
+    DriverThinkState CheckDriverThinkStateTransition();
+    int64_t GetCurrentDriverThinkStateDuration() const;
+
+    // void UpdateVehicleState();
+    // void SelectNextNode();
+    // void VehicleThink();
 
 private:
+    const assets::MapGraph* roads_;
+
+    ThinkState think_state_ = THINKSTATE_IDLE;
+    int64_t think_state_time_ = 0;
+    int64_t think_state_target_duration_ = 0;
 
     // driver
-    NpcVehicleThinkState vehicle_state_ = NVT_NORMAL;
+    DriverThinkState driver_state_ = DRIVERSTATE_NONE;
-    const assets::MapGraph* roads_;
+    int64_t driver_state_time_ = 0;
-    glm::vec3 seg_start_;
+    DriverThinkState prev_driver_state_ = DRIVERSTATE_NONE;
-    std::deque<size_t> path_;
+    
-    bool gas_ = false;
+    std::deque<glm::vec3> path_;
-    size_t stuck_counter_ = 0;
+    size_t last_waypoint_idx_ = 0;
-    size_t reversing_frames_ = 0;
     glm::vec3 last_pos_ = glm::vec3(0.0f);
-    float speed_limit_ = 0.0f;
+    size_t stuck_counter_ = 0;
+    
+    VehicleInputFlags vehicle_in_ = 0;
+    float vehicle_steer_ = 0.0f;
+
+    bool in_hurry_ = false;
+
+    // mad
+    std::shared_ptr<ItemInstance> weapon_;
+
+    net::EntNum enemy_num_ = 0;
+    HumanCharacter* enemy_ = nullptr;
+    int64_t enemy_time_ = 0;
+
+    bool follow_enemy_ = false;
 };
 
 }

src/game/openworld.cpp

@@ -2,6 +2,7 @@
 
 #include <iostream>
 
+#include "assets/cache.hpp"
 #include "player.hpp"
 #include "vehicle.hpp"
 #include "player_character.hpp"
@@ -12,16 +13,16 @@
 #include "tuning_world.hpp"
 #include "game.hpp"
 #include "cow.hpp"
+#include "utils/random.hpp"
 
 namespace game
 {
 
 } // namespace game
 
-
 static const char* GetRandomCarModel()
 {
-    const char* vehicles[] = {"pickup_hd", "passat", "twingo", "polskifiat", "cow_static", "pig_static", "avia"};
+    const char* vehicles[] = {"pickup_hd", "passat", "twingo", "polskifiat", "avia"};
     return vehicles[rand() % (sizeof(vehicles) / sizeof(vehicles[0]))];
 }
 
@@ -50,34 +51,29 @@ static uint32_t GetRandomColor24()
 
 game::OpenWorld::OpenWorld(Game& game) : EnterableWorld("openworld"), game_(game)
 {
-    // spawn bots
+    SetSpawnPoint(glm::vec3(100.0f, 100.0f, 1.0f));
-    for (size_t i = 0; i < 100; ++i)
-    {
-        SpawnBot();
-    }
 
     // initial twingo
-    VehicleTuning twingo_tuning;
+    VehicleSpawnInfo twingo_info{};
-    twingo_tuning.model = "twingo";
+    twingo_info.tuning.model = "twingo";
-    twingo_tuning.parts["primarycolor"] = "orange";
+    twingo_info.tuning.parts["primarycolor"] = "orange";
     // twingo_tuning.primary_color = 0x0077FF;
     // twingo_tuning.wheels_idx = 1; // enkei
     // twingo_tuning.wheel_color = 0x00FF00;
+    twingo_info.position = glm::vec3{110.0f, 100.0f, 5.0f};
 
-    auto& veh = Spawn<game::DrivableVehicle>(twingo_tuning);
+    auto& veh = Spawn<game::DrivableVehicle>(twingo_info);
-    veh.SetPosition({110.0f, 100.0f, 5.0f});
 
     constexpr size_t in_row = 20;
 
     for (size_t i = 0; i < 100; ++i)
     {
-        Schedule(i * 40, [this, i] {
+        Schedule(i * 160, [this, i] {
             size_t col = i % in_row;
             size_t row = i / in_row;
             glm::vec3 pos(62.0f + static_cast<float>(col) * 4.0f, 165.0f + static_cast<float>(row) * 7.0f, 7.0f);
 
-            auto& veh = SpawnRandomVehicle();
+            SpawnRandomVehicle(pos, 0.0f);
-            veh.SetPosition(pos);
         });
     }
 
@@ -88,9 +84,25 @@ game::OpenWorld::OpenWorld(Game& game) : EnterableWorld("openworld"), game_(game
         CreateTuningGarage(loc.transform.position, glm::eulerAngles(loc.transform.rotation).x);
     }
 
+    CreatePermaItemPickups("pickup_uzi", "uzi");
+    CreatePermaItemPickups("pickup_ak47", "ak47");
+    CreatePermaItemPickups("pickup_airsniper", "airsniper");
+
+    SpawnNpcs();
+
     // cow
     auto& cow = Spawn<Cow>(glm::vec3(0.0f, 0.0f, 2.0f), 0.0f);
     cow.SetNametag("no ty krávo");
+
+    // hit target npc
+    auto& npc = SpawnRandomNpc();
+    npc.SetPosition({90.0f, 100.0f, 5.0f});
+    npc.SetWeapon(std::make_shared<ItemInstance>("ak47"));
+
+    // hit target npc 2
+    auto& npc2 = SpawnRandomNpc();
+    npc2.SetPosition({80.0f, 100.0f, 5.0f});
+    npc2.SetWeapon(std::make_shared<ItemInstance>("airsniper"));
 }
 
 void game::OpenWorld::Update(int64_t delta_time)
@@ -113,15 +125,47 @@ void game::OpenWorld::PlayerInput(Player& player, PlayerInputType type, bool ena
     Super::PlayerInput(player, type, enabled);
 }
 
-game::DrivableVehicle& game::OpenWorld::SpawnRandomVehicle()
+void game::OpenWorld::SpawnNpcs()
 {
-    game::VehicleTuning tuning;
+    int64_t next_spawn_after = 10000;
-    tuning.model = GetRandomCarModel();
+
+    if (num_npcs_ < 120)
+    {
+        SpawnNpcVehicleWithPassengers();
+        next_spawn_after = RandomInt(100, 1000);
+    }
+
+    Schedule(next_spawn_after, [this]{
+        SpawnNpcs();
+    });
+}
+
+static void CheckVehicleAbandonment(game::DrivableVehicle& vehicle)
+{
+    if (vehicle.IsAbandoned(60000 * 5)) // 5 min
+    {
+        vehicle.Remove();
+    }
+    else
+    {
+        vehicle.Schedule(RandomInt(0, 1000) + 10000, [&vehicle]{
+            CheckVehicleAbandonment(vehicle);
+        });
+    }
+}
+
+game::DrivableVehicle& game::OpenWorld::SpawnRandomVehicle(const glm::vec3& pos, float yaw, bool auto_despawn)
+{
+    VehicleSpawnInfo vehicle_info;
+    vehicle_info.tuning.model = GetRandomCarModel();
+    vehicle_info.position = pos;
+    vehicle_info.yaw = yaw;
     // tuning.primary_color = GetRandomColor24();
 
-    auto& vehicle = Spawn<game::DrivableVehicle>(tuning);
+    auto& vehicle = Spawn<game::DrivableVehicle>(vehicle_info);
     // vehicle.SetNametag("bot (" + std::to_string(vehicle.GetEntNum()) + ")");
 
+    auto& tuning = vehicle_info.tuning;
     auto& tuning_list = vehicle.GetTuningList();
 
     // make random tuning 
@@ -156,29 +200,103 @@ game::DrivableVehicle& game::OpenWorld::SpawnRandomVehicle()
 
     vehicle.SetTuning(tuning);
 
+    if (auto_despawn)
+    {
+        CheckVehicleAbandonment(vehicle);
+    }
+
     return vehicle;
 }
 
-void game::OpenWorld::SpawnBot()
+static void CheckNpcBoredom(game::NpcCharacter& npc)
+{
+    if (!npc.IsAlive())
+        return;
+
+    if (npc.IsBored(60000 * 5)) // 5 min doing nothing is insufferable
+    {
+        npc.Die();
+    }
+    else
+    {
+        npc.Schedule(RandomInt(0, 2000) + 10000, [&npc]{
+            CheckNpcBoredom(npc);
+        });
+    }
+}
+
+game::NpcCharacter& game::OpenWorld::SpawnRandomNpc()
+{
+    HumanCharacterTuning npc_tuning;
+    npc_tuning.clothes.push_back({ "tshirt", GetRandomColor24() });
+    npc_tuning.clothes.push_back({ "shorts", GetRandomColor24() });
+
+    auto& npc = Spawn<NpcCharacter>(npc_tuning);
+
+    npc.SetOnDeath([this, &npc] {
+        npc.Schedule(15000, [&npc]{
+            npc.Remove();
+        });
+
+        if (num_npcs_ > 0)
+        {
+            --num_npcs_;
+        }
+    });
+
+    npc.Schedule(1000, [&npc]{
+        CheckNpcBoredom(npc);
+    });
+
+    ++num_npcs_;
+
+    return npc;
+}
+
+static std::tuple<glm::vec3, float> GetRandomNodeAndRotation(const assets::MapGraph& graph)
+{
+    size_t node_idx = rand() % graph.nodes.size();
+    auto& node = graph.nodes[node_idx];
+
+    size_t nb_idx = graph.nbs[rand() % node.num_nbs];
+    auto& nb = graph.nodes[nb_idx];
+
+    auto dir = node.position - nb.position;
+    float yaw = glm::atan(-dir.x, dir.y);
+
+    return std::make_tuple(node.position, yaw);
+}
+
+void game::OpenWorld::SpawnNpcVehicleWithPassengers()
 {
     auto roads = GetMap().GetGraph("roads");
 
     if (!roads)
     {
-        throw std::runtime_error("SpawnBot: no roads graph in map");
+        throw std::runtime_error("SpawnNpcVehicleWithPassengers: no roads graph in map");
     }
 
-    size_t start_node = rand() % roads->nodes.size();
+    auto [pos, yaw] = GetRandomNodeAndRotation(*roads);
+    auto& vehicle = SpawnRandomVehicle(pos, yaw, true);
 
-    auto& vehicle = SpawnRandomVehicle();
+    auto& driver = SpawnRandomNpc();
-    vehicle.SetPosition(roads->nodes[start_node].position + glm::vec3{0.0f, 0.0f, 5.0f});
-
-    HumanCharacterTuning npc_tuning;
-    npc_tuning.clothes.push_back({ "tshirt", GetRandomColor24() });
-    npc_tuning.clothes.push_back({ "shorts", GetRandomColor24() });
-
-    auto& driver = Spawn<NpcCharacter>(npc_tuning);
     driver.Ride(&vehicle, 0);
+
+    if (Chance(0.5f))
+    {
+        driver.SetWeapon(std::make_shared<ItemInstance>("uzi"));
+    }
+
+    if (Chance(0.3f))
+    {
+        auto& passenger = SpawnRandomNpc();
+        passenger.Ride(&vehicle, 1);
+
+        if (Chance(0.5f))
+        {
+            passenger.SetWeapon(std::make_shared<ItemInstance>(Chance(0.4f) ? "ak47" : (Chance(0.5f) ? "uzi" : "airsniper")));
+        }
+    }
 }
 
 void game::OpenWorld::CreateTuningGarage(const glm::vec3& position, float yaw)
@@ -190,7 +308,7 @@ void game::OpenWorld::CreateTuningGarage(const glm::vec3& position, float yaw)
     marker_info.position = position;
     marker_info.type = MARKER_VEHICLE;
     marker_info.color = 0x884400;
-    marker_info.icon = "tuning";
+    marker_info.model = "marker_tuning";
 
     auto& marker = Spawn<Marker>(marker_info);
     marker.SetUseTarget("vject do tunírny", 
@@ -235,6 +353,20 @@ void game::OpenWorld::CreateTuningGarage(const glm::vec3& position, float yaw)
     });
 }
 
+void game::OpenWorld::CreatePermaItemPickups(const std::string& loc_name, const std::string& item_name)
+{
+    for (auto locs = GetMap().GetLocations(loc_name); const auto& loc : locs)
+    {
+        CreatePermaItemPickup(loc.transform.position, item_name);
+    }
+}
+
+void game::OpenWorld::CreatePermaItemPickup(const glm::vec3& position, const std::string& item_name)
+{
+    auto item_def = assets::CacheManager::GetItem("data/" + item_name + ".item");
+    CreateItemPickup(position, std::make_shared<ItemInstance>(item_def), 0, 5000, item_def->clip_size * 15);
+}
+
 void game::OpenWorld::RecoverPlayer(Player& player)
 {
     auto character = GetPlayerCharacter(player);

src/game/openworld.hpp

@@ -19,18 +19,25 @@ public:
     virtual void PlayerInput(Player& player, PlayerInputType type, bool enabled) override;
 
 private: 
-    game::DrivableVehicle& SpawnRandomVehicle();
+    void SpawnNpcs();
-    void SpawnBot();
+    game::DrivableVehicle& SpawnRandomVehicle(const glm::vec3& pos, float yaw, bool auto_despawn = false);
+    game::NpcCharacter& SpawnRandomNpc();
+    void SpawnNpcVehicleWithPassengers();
 
     void CreateTuningGarage(const glm::vec3& position, float yaw);
+    void CreatePermaItemPickups(const std::string& loc_name, const std::string& item_name);
+    void CreatePermaItemPickup(const glm::vec3& position, const std::string& item);
 
     void RecoverPlayer(Player& player);
     bool GetRecoveryPosition(const glm::vec3& current, glm::vec3& recovery);
 
 private:
     Game& game_;
-    std::vector<NpcCharacter*> npcs_;
     float daytime_offset_ = 0.0f;
+    
+    // std::vector<NpcCharacter*> npcs_;
+    size_t num_npcs_ = 0;
+
 };
 
 }

src/game/player.cpp

@@ -35,6 +35,11 @@ void game::Player::Update()
 {
     SyncWorld();
     SendMenuMsgs();
+    UpdateCamera();
+    SendDamageEvents();
+
+    // reset for next frame
+    in_new_ = 0;
 }
 
 void game::Player::SetWorld(World* world)
@@ -45,12 +50,14 @@ void game::Player::SetWorld(World* world)
     world_ = world;
 }
 
-void game::Player::SetCamera(net::EntNum entnum)
+void game::Player::SetCamera(const CameraInfo& camera_info)
 {
-    cam_ent_ = entnum;
+    camera_info_ = camera_info;
 
     auto msg = BeginMsg(net::MSG_CAM);
-    msg.Write(entnum);
+    msg.Write(camera_info.character_entnum);
+    msg.Write(camera_info.rideable_entnum);
+    msg.Write(camera_info.flags);
 }
 
 void game::Player::SendChat(const std::string& text)
@@ -97,6 +104,92 @@ void game::Player::CloseMenu(const RemoteMenu& menu)
     remote_menu_.reset();
 }
 
+void game::Player::SetHudData(const PlayerHudData& hud_data)
+{
+    PlayerHudFields fields = 0;
+
+    auto msg = BeginMsg(net::MSG_HUD);
+    auto fields_pos = msg.Reserve<PlayerHudFields>();
+
+    if (hud_data.health != hud_data_.health)
+    {
+        fields |= PHUD_HEALTH;
+        hud_data_.health = hud_data.health;
+        msg.Write(hud_data.health);
+    }
+
+    if (hud_data.weapon_slots != hud_data_.weapon_slots)
+    {
+        fields |= PHUD_WEAPON_SLOTS;
+        hud_data_.weapon_slots = hud_data.weapon_slots;
+        msg.Write(hud_data.weapon_slots);
+    }
+
+    if (hud_data.held_item != hud_data_.held_item)
+    {
+        fields |= PHUD_ITEM;
+        hud_data_.held_item = hud_data.held_item;
+        msg.Write(net::ModelName(hud_data.held_item));
+    }
+
+    if (hud_data.ammo_loaded != hud_data_.ammo_loaded)
+    {
+        fields |= PHUD_AMMO_LOADED;
+        hud_data_.ammo_loaded = hud_data.ammo_loaded;
+        msg.Write(hud_data.ammo_loaded);
+    }
+
+    if (hud_data.ammo_total != hud_data_.ammo_total)
+    {
+        fields |= PHUD_AMMO_TOTAL;
+        hud_data_.ammo_total = hud_data.ammo_total;
+        msg.Write(hud_data.ammo_total);
+    }
+
+    if (hud_data.dead != hud_data_.dead)
+    {
+        fields |= PHUD_DEATH;
+        hud_data_.dead = hud_data.dead;
+        msg.Write(hud_data.dead);
+    }
+
+    if (fields == 0)
+    {
+        DiscardMsg();
+        return;
+    }
+
+    msg.WriteAt(fields_pos, fields);
+}
+
+void game::Player::ResetHudData()
+{
+    SetHudData(PlayerHudData{});
+}
+
+void game::Player::DisplayDamageEvent(DamageEventType type)
+{
+    dmg_event_flags_ |= 1 << type;
+}
+
+bool game::Player::GetView(glm::vec3& eye, glm::vec3& forward)
+{
+    if (!world_)
+        return false;
+
+    auto character = world_->GetEntity(camera_info_.character_entnum);
+    camera_controller_.SetCharacterTransform(character ? &character->GetRoot().matrix : nullptr);
+    
+    auto rideable = world_->GetEntity(camera_info_.rideable_entnum);
+    camera_controller_.SetRideableTransform(rideable ? &rideable->GetRoot().matrix : nullptr);
+
+    camera_controller_.Recalculate(world_);
+
+    eye = camera_controller_.GetEye();
+    forward = camera_controller_.GetForward();
+    return true;
+}
+
 game::Player::~Player()
 {
     game_.PlayerLeft(*this);
@@ -115,12 +208,26 @@ void game::Player::SyncWorld()
 
     if (world_)
     {
+        UpdateCullPos();
         SendWorldUpdateMsg();
         SendEnv();
         SyncEntities();
     }
 }
 
+void game::Player::UpdateCullPos()
+{
+    auto cam_entnum = camera_info_.rideable_entnum ? camera_info_.rideable_entnum : camera_info_.character_entnum;
+    if (cam_entnum)
+    {
+        auto cam_ent = world_->GetEntity(cam_entnum);
+        if (cam_ent)
+        {
+            cull_pos_ = cam_ent->GetRoot().GetGlobalPosition();
+        }
+    }
+}
+
 void game::Player::SendWorldMsg()
 {
     MSGDEBUG(std::cout << "seding CHWORLD" << std::endl;)
@@ -137,6 +244,29 @@ void game::Player::SendWorldUpdateMsg()
 
     auto msg = BeginMsg(); // no CMD here, included in world payload
     msg.Write(world_->GetMsg());
+
+    // local msgs
+    world_->PickLocalMsgs(*this, cull_pos_);
+}
+
+void game::Player::SendDamageEvents()
+{
+    if (dmg_event_flags_ & (1 << DAMAGE_EVENT_RECEIVED))
+        SendDamageEvent(DAMAGE_EVENT_RECEIVED);
+
+    if (dmg_event_flags_ & (1 << DAMAGE_EVENT_DEALT))
+        SendDamageEvent(DAMAGE_EVENT_DEALT);
+
+    if (dmg_event_flags_ & (1 << DAMAGE_EVENT_DEALT_KILL))
+        SendDamageEvent(DAMAGE_EVENT_DEALT_KILL);
+
+    dmg_event_flags_ = 0;
+}
+
+void game::Player::SendDamageEvent(DamageEventType type)
+{
+    auto msg = BeginMsg(net::MSG_DAMAGE);
+    msg.Write(type);
 }
 
 void game::Player::SendEnv()
@@ -152,16 +282,6 @@ void game::Player::SendEnv()
 
 void game::Player::SyncEntities()
 {
-    // update cull pos
-    if (cam_ent_)
-    {
-        auto cam_ent = world_->GetEntity(cam_ent_);
-        if (cam_ent)
-        {
-            cull_pos_ = cam_ent->GetRoot().GetGlobalPosition();
-        }
-    }
-
     // list of entities to send update and messages of
     static std::vector<const Entity*> upd_ents;
     upd_ents.clear();
@@ -293,10 +413,8 @@ bool game::Player::ProcessViewAnglesMsg(net::InMessage& msg)
     if (!msg.Read(yaw_q.value) || !msg.Read(pitch_q.value))
         return false;
 
-    view_yaw_ = yaw_q.Decode();
+    camera_controller_.SetViewAngles(yaw_q.Decode(),  pitch_q.Decode());
-    view_pitch_ = pitch_q.Decode();
+    game_.PlayerViewAnglesChanged(*this, camera_controller_.GetYaw(), camera_controller_.GetPitch());    
-    
-    game_.PlayerViewAnglesChanged(*this, view_yaw_, view_pitch_);    
     return true;
 }
 
@@ -332,10 +450,17 @@ bool game::Player::ProcessMenuActionMsg(net::InMessage& msg)
 
 void game::Player::Input(PlayerInputType type, bool enabled)
 {
+    PlayerInputFlags flag = 1 << type;
+
     if (enabled)
-        in_ |= (1 << type);
+    {
+        in_ |= flag;
+        in_new_ |= flag;
+    }
     else
-        in_ &= ~(1 << type);
+    {
+        in_ &= ~flag;
+    }
 
     game_.PlayerInput(*this, type, enabled);
 }
@@ -357,3 +482,9 @@ void game::Player::SendMenuMsgs()
     remote_menu_->ResetMsg();
 
 }
+
+void game::Player::UpdateCamera()
+{
+    camera_controller_.SetAiming(camera_info_.flags & CAM_AIMING);
+    camera_controller_.Update(1.0f / 25.0f);
+}

src/game/player.hpp

@@ -9,10 +9,11 @@
 #include "net/inmessage.hpp"
 #include "net/msg_producer.hpp"
 #include "utils/defs.hpp"
-
 #include "player_input.hpp"
-
 #include "remote_menu.hpp"
+#include "camera_info.hpp"
+#include "camera_controller.hpp"
+#include "player_hud_data.hpp"
 
 namespace game
 {
@@ -32,7 +33,7 @@ public:
 
     void SetWorld(World* world);
 
-    void SetCamera(net::EntNum entnum);
+    void SetCamera(const CameraInfo& camera_info);
     void SendChat(const std::string& text);
     void SetUseTarget(const std::string& text, const std::string& error_text, float delay);
 
@@ -40,11 +41,18 @@ public:
     void CloseMenu(const RemoteMenu& menu);
     bool HasOpenMenu() const { return (bool)remote_menu_; }
 
+    void SetHudData(const PlayerHudData& hud_data);
+    void ResetHudData();
+
+    void DisplayDamageEvent(DamageEventType type);
+
     const std::string& GetName() const { return name_; }
 
     PlayerInputFlags GetInput() const { return in_; }
-    float GetViewYaw() const { return view_yaw_; }
+    PlayerInputFlags GetNewInput() const { return in_new_; }
-    float GetViewPitch() const { return view_pitch_; }
+    float GetViewYaw() const { return camera_controller_.GetYaw(); }
+    float GetViewPitch() const { return camera_controller_.GetPitch(); }
+    bool GetView(glm::vec3& eye, glm::vec3& forward);
 
     const glm::vec3 GetCullPos() const { return cull_pos_; }
 
@@ -53,8 +61,11 @@ public:
 private:
     // world sync
     void SyncWorld();
+    void UpdateCullPos();
     void SendWorldMsg();
     void SendWorldUpdateMsg();
+    void SendDamageEvents();
+    void SendDamageEvent(DamageEventType type);
     void SendEnv();
 
     // entities sync
@@ -74,6 +85,8 @@ private:
     // menu sync
     void SendMenuMsgs();
 
+    void UpdateCamera();
+
 private:
     Game& game_;
     std::string name_;
@@ -84,15 +97,20 @@ private:
     int64_t last_env_time_ = 0;
 
     PlayerInputFlags in_ = 0;
-    float view_yaw_ = 0.0f, view_pitch_ = 0.0f;
+    PlayerInputFlags in_new_ = 0;
 
-    net::EntNum cam_ent_ = 0;
+    CameraInfo camera_info_;
+    CameraController camera_controller_;
     glm::vec3 cull_pos_ = glm::vec3(0.0f);
 
     // menus
     // TODO: allow more menus
     net::MenuId menu_id_ = 0;
     std::unique_ptr<RemoteMenu> remote_menu_;
+
+    // hud
+    PlayerHudData hud_data_;
+    uint8_t dmg_event_flags_ = 0;
 };
 
 }

src/game/player_character.cpp

@@ -1,6 +1,8 @@
 #include "player_character.hpp"
+
 #include "world.hpp"
 #include "input_mapping.hpp"
+#include "utils/random.hpp"
 
 game::PlayerCharacter::PlayerCharacter(World& world, Player& player, const HumanCharacterTuning& tuning) : Super(world, tuning), player_(&player)
 {
@@ -8,16 +10,59 @@ game::PlayerCharacter::PlayerCharacter(World& world, Player& player, const Human
     UpdatePlayerCamera();
     SetNametag(player.GetName());
     SendUseTargetInfo();
+
+    // give some shit
+    GiveItem(std::make_shared<ItemInstance>("airsniper"), false);
+    GiveAmmo("pellet", 50);
+    // GiveItem(std::make_shared<ItemInstance>("ak47"), false);
+    // GiveItem(std::make_shared<ItemInstance>("uzi"), false);
 }
 
 void game::PlayerCharacter::Update()
 {
     UpdateUseTarget();
+    UpdateAimTarget();
+    CheckItemSwitch();
+    UpdateInputs();
     Super::Update();
     
     if (GetRideable() && IsDriver())
     {
-        GetRideable()->SetRideableYaw(GetForwardYaw());
+        GetRideable()->SetRideableViewAngles(GetViewYaw(), GetViewPitch());
+    }
+
+    UpdateHudData();
+}
+
+void game::PlayerCharacter::ReceiveDamage(const DamageInfo& damage)
+{
+    if (!IsAlive())
+        return;
+
+    Super::ReceiveDamage(damage);
+
+    if (player_)
+    {
+        player_->DisplayDamageEvent(DAMAGE_EVENT_RECEIVED);
+    }
+
+    if (!IsAlive())
+    {
+        // just died
+        std::string_view killer_name;
+        auto killer_character = dynamic_cast<PlayerCharacter*>(damage.inflictor);
+        if (killer_character)
+        {
+            auto killer_player = killer_character->GetPlayer();
+            if (killer_player)
+            {
+                killer_name = killer_player->GetName();
+            }
+        }
+
+        SendDeathMessage(killer_name);
+        SetNametag(std::string{});
+
     }
 }
 
@@ -40,50 +85,233 @@ void game::PlayerCharacter::DetachFromPlayer()
     player_ = nullptr;
 }
 
+void game::PlayerCharacter::SetInventory(std::unique_ptr<Inventory> inventory)
+{
+    if (inventory_)
+    {
+        TakeInventory();
+    }
+
+    inventory_ = std::move(inventory);
+    UpdateHudSlots();
+
+    // if (inventory_->active_slot > 0)
+    // {
+    //     SetWeaponSlot(inventory_->active_slot);
+    // }
+}
+
+std::unique_ptr<game::Inventory> game::PlayerCharacter::TakeInventory()
+{
+    Equip(nullptr);
+    auto inv = std::move(inventory_);
+    UpdateHudSlots();
+    return inv;
+}
+
+void game::PlayerCharacter::GiveItem(std::shared_ptr<ItemInstance> item, bool can_equip)
+{
+    EnsureInventory();
+
+    size_t slot_idx = ((item->def->slot + 9) % 10);
+    auto& slot = inventory_->slots[slot_idx];
+
+    bool equip = can_equip && (!GetHeldItem() || GetHeldItem() == slot);
+
+    if (!slot || slot->def->name != item->def->name)
+    {
+        // current item in the slot is other item or none
+        slot = std::move(item);
+    }
+    else
+    {
+        // already have this, extract ammo
+        GiveAmmo(item->def->ammo_type, item->ammo);
+    }
+
+    UpdateHudSlots();
+    
+    if (equip)
+    {
+        SetWeaponSlot(slot_idx);
+    }
+}
+
+void game::PlayerCharacter::GiveAmmo(const std::string& ammo_name, size_t count)
+{
+    EnsureInventory();
+    inventory_->ammo[ammo_name] += count;
+}
+
+void game::PlayerCharacter::OnDamageDealt(bool was_kill)
+{
+    if (!player_)
+        return;
+
+    player_->DisplayDamageEvent(was_kill ? DAMAGE_EVENT_DEALT_KILL : DAMAGE_EVENT_DEALT);
+}
+
+float game::PlayerCharacter::GetHitBoneDamageMultiplier(const std::string_view hitbone)
+{
+    return 0.25f * Super::GetHitBoneDamageMultiplier(hitbone);
+}
+
 void game::PlayerCharacter::OnRideableChanged()
 {
     UpdatePlayerCamera();
     UpdateInputs();
 }
 
+void game::PlayerCharacter::OnAimingChanged()
+{
+    UpdatePlayerCamera();
+}
+
+void game::PlayerCharacter::OnHeldItemChanged()
+{
+    const auto& item = GetHeldItem();
+    hud_data_.held_item = item ? item->def->name : "";
+}
+
+bool game::PlayerCharacter::HaveAmmo(const std::string& ammo_name)
+{
+    if (!inventory_)
+        return false;
+    
+    auto it = inventory_->ammo.find(ammo_name);
+    if (it == inventory_->ammo.end())
+        return false;
+
+    return it->second > 0;
+}
+
+size_t game::PlayerCharacter::GetAmmo(size_t required, const std::string& ammo_name)
+{
+    if (!inventory_)
+        return 0;
+
+    auto it = inventory_->ammo.find(ammo_name);
+    if (it == inventory_->ammo.end())
+        return 0;
+
+    size_t give = glm::min(it->second, required);
+    it->second -= give;
+
+    return give;
+}
+
+void game::PlayerCharacter::SpawnLoot()
+{
+    if (!inventory_)
+        return;
+
+    for (auto& slot : inventory_->slots)
+    {
+        if (!slot)
+            continue;
+
+        size_t ammo = GetAmmo(slot->def->clip_size * 5, slot->def->ammo_type);
+        auto pos = root_.GetGlobalPosition() + glm::vec3(RandomFloat(-1.0f, 1.0f), RandomFloat(-1.0f, 1.0f), RandomFloat(-0.1f, 1.0f));
+        GetWorld().CreateItemPickup(pos, std::move(slot), RandomInt(59000, 61000), 0, ammo);
+    }
+
+    inventory_.reset();
+}
+
 void game::PlayerCharacter::UpdatePlayerCamera()
 {
     if (!player_)
         return;
 
-    if (auto rideable = GetRideable(); rideable)
+    CameraInfo camera_info{};
-    {
+    camera_info.character_entnum = GetEntNum();
-        player_->SetCamera(rideable->GetEntity().GetEntNum());
+    camera_info.rideable_entnum = GetRideable() ? GetRideable()->GetEntity().GetEntNum() : 0;
-    }
+
-    else
+    if (GetAiming())
-    {
+        camera_info.flags |= CAM_AIMING;
-        player_->SetCamera(GetEntNum());
+
-    }
+    player_->SetCamera(camera_info);
 }
 
 void game::PlayerCharacter::UpdateInputs()
 {
-    auto in = player_ ? player_->GetInput() : 0;
+    auto in = (player_ && IsAlive()) ? player_->GetInput() : 0;
     
     if (auto rideable = GetRideable(); rideable)
     {
         SetInputs(0);
 
+        auto rideable_in = in;
+
         if (IsDriver())
         {
-            rideable->SetRideableInput(in);
+            if (GetVehicle() && GetHeldItem() && GetHeldItem()->def->twohanded)
+            {
+                rideable_in &= ~((1 << IN_RIGHT) | (1 << IN_LEFT));
+            }
+
+            rideable->SetRideableInput(rideable_in);
         }
     }
     else
     {
         SetInputs(MapPlayerInputToCharacterInput(in));
     }
+
+    SetAimHeld(in & (1 << IN_ATTACK_SECONDARY));
+    SetFireHeld(in & (1 << IN_ATTACK_PRIMARY));
+    SetReloadHeld(in & (1 << IN_RELOAD));
+}
+
+void game::PlayerCharacter::UpdateAimTarget()
+{
+    if (!player_ || !IsAlive())
+        return;
+
+    glm::vec3 eye, forward;
+    if (!player_->GetView(eye, forward))
+        return;
+
+    auto target = eye + forward * 1000.0f;
+
+    if (GetAiming()) // save perf if not aiming
+    {
+        GetWorld().TraceBullet(eye, target, this, target); // update target if hit
+    }
+
+    SetAimTarget(target);
+
+    // GetWorld().Beam(eye, target, 0xFFFF00, 1.0 / 25.0f);
+    // GetWorld().BeamBox(target - 0.05f, target + 0.05f, 0xFFFF00, 1.5f / 25.0f);
+}
+
+void game::PlayerCharacter::CheckItemSwitch()
+{
+    if (!player_ || !inventory_ || !IsAlive())
+        return;
+    
+    auto in = player_->GetNewInput();
+
+    if (in & (1 << IN_HOLSTER))
+    {
+        Equip(GetHeldItem() ? nullptr : inventory_->slots[inventory_->active_slot]);
+        return;
+    }
+
+    for (size_t i = 0; i < 10; ++i) 
+    {
+        if ((in & (1 << (IN_WEAPON_1 + i))) == 0)
+            continue;
+    
+        SetWeaponSlot(i);
+        break;
+    }
 }
 
 void game::PlayerCharacter::UpdateUseTarget()
 {
     UseTargetQueryResult res{};
-    auto new_use_target = world_.GetBestUseTarget(*this, res);
+    auto new_use_target = IsAlive() ? world_.GetBestUseTarget(*this, res) : nullptr;
 
     if (new_use_target != use_target_ || res.enabled != use_enabled_ || res.error_text != use_error_ || res.delay != use_delay_)
     {
@@ -112,6 +340,9 @@ void game::PlayerCharacter::UpdateUseTarget()
 
 void game::PlayerCharacter::UseChanged(bool enabled)
 {
+    if (!IsAlive())
+        return;
+
     if (!use_target_)
     {
         // exit rideable if not target
@@ -151,3 +382,136 @@ void game::PlayerCharacter::SendUseTargetInfo()
 
     player_->SetUseTarget(use_target_->desc, error_text, using_ ? use_delay_ - use_progress_ : 0.0f);
 }
+
+void game::PlayerCharacter::EnsureInventory()
+{
+    if (!inventory_)
+    {
+        inventory_ = std::make_unique<Inventory>();
+    }
+}
+
+void game::PlayerCharacter::SetWeaponSlot(size_t slot)
+{ 
+    if (!inventory_ || !inventory_->slots[slot])
+        return;
+    
+    inventory_->active_slot = slot;
+    Equip(inventory_->slots[slot]);
+}
+
+void game::PlayerCharacter::UpdateHudData() 
+{
+    if (!player_)
+        return;
+
+    // general
+    hud_data_.health = static_cast<uint8_t>(GetHealth());
+
+    // item
+    const auto& item = GetHeldItem();
+    hud_data_.ammo_loaded = item ? item->ammo : 0;
+
+    hud_data_.ammo_total = 0;
+    if (item && inventory_)
+    {
+        auto it = inventory_->ammo.find(item->def->ammo_type);
+        if (it != inventory_->ammo.end())
+        {
+            hud_data_.ammo_total = it->second;
+        }
+    }
+
+    // death
+    hud_data_.dead = IsDead() ? 1 : 0;
+
+    player_->SetHudData(hud_data_);
+}
+
+void game::PlayerCharacter::UpdateHudSlots()
+{
+    hud_data_.weapon_slots = 0;
+
+    if (!inventory_ || IsDead())
+        return;
+
+    for (size_t i = 0; i < 10; ++i)
+    {
+        if (inventory_->slots[i])
+            hud_data_.weapon_slots |= 1 << i;
+    }
+
+
+}
+
+static std::string_view GetRandomDeathMessageFormat()
+{
+    switch (rand() % 8)
+    {
+    case 1:
+        return "byl zneškodněn";
+    case 2:
+        return "chcíp";
+    case 3:
+        return "umříl";
+    case 4:
+        return "umřel";
+    case 5:
+        return "pošel";
+    case 6:
+        return "odešel na věčné časy";
+    case 7:
+        return "už není mezi námi";
+    default:
+        return "zesnul";
+    }
+}
+
+static std::string_view GetRandomDeathMessageFormatKilled()
+{
+    switch (rand() % 8)
+    {
+    case 0:
+        return "zneškodnil";
+    case 1:
+        return "vyřešil";
+    case 2:
+        return "zajebal";
+    case 3:
+        return "zlikvidoval";
+    case 4:
+        return "odstranil";
+    case 5:
+        return "terminoval";
+    case 6:
+        return "zabil";
+    default:
+        return "kilnul";
+    }
+}
+
+void game::PlayerCharacter::SendDeathMessage(std::string_view killer_name)
+{
+    if (!player_)
+        return;
+
+    std::string message;
+
+    if (killer_name.empty())
+    {
+        message += player_->GetName();
+        message += "^r ";
+        message += GetRandomDeathMessageFormat();
+    }
+    else
+    {
+        message += killer_name;
+        message += "^r ";
+        message += GetRandomDeathMessageFormatKilled();
+        message += " ";
+        message += player_->GetName();
+    }
+
+    GetWorld().SendChat(message);
+
+}

src/game/player_character.hpp

@@ -3,6 +3,7 @@
 #include "drivable_vehicle.hpp"
 #include "player.hpp"
 #include "world.hpp"
+#include "inventory.hpp"
 
 namespace game
 {
@@ -16,23 +17,50 @@ public:
 
     virtual void Update() override;
 
+    virtual void ReceiveDamage(const DamageInfo& damage) override;
+
     void ProcessInput(PlayerInputType type, bool enabled);
 
     void DetachFromPlayer();
 
     Player* GetPlayer() const { return player_; }
 
+    void SetInventory(std::unique_ptr<Inventory> inventory);
+    std::unique_ptr<Inventory> TakeInventory();
+
+    void GiveItem(std::shared_ptr<ItemInstance> item, bool can_equip = true);
+    void GiveAmmo(const std::string& ammo_name, size_t count);
+
+    virtual void OnDamageDealt(bool was_kill) override;
+
     protected:
+    virtual float GetHitBoneDamageMultiplier(const std::string_view hitbone) override;
+    
     virtual void OnRideableChanged() override;
+    virtual void OnAimingChanged() override;
+    virtual void OnHeldItemChanged() override;
+    virtual bool HaveAmmo(const std::string& ammo_name) override;
+    virtual size_t GetAmmo(size_t required, const std::string& ammo_name) override;
+    virtual void SpawnLoot() override;
 
 private:
     void UpdatePlayerCamera();
     void UpdateInputs();
+    void UpdateAimTarget();
+    void CheckItemSwitch();
     
     void UpdateUseTarget();
     void UseChanged(bool enabled);
     void SendUseTargetInfo();
 
+    void EnsureInventory();
+    void SetWeaponSlot(size_t slot);
+
+    void UpdateHudData();
+    void UpdateHudSlots();
+
+    void SendDeathMessage(std::string_view killer_name);
+
 private:
     Player* player_;
 
@@ -43,6 +71,10 @@ private:
     const char* use_error_ = nullptr;
     bool using_ = false; // not drugs lol
     float use_progress_ = 0.0f;
+
+    std::unique_ptr<Inventory> inventory_;
+
+    PlayerHudData hud_data_;
 };
 
 

src/game/player_hud_data.hpp

@@ -0,0 +1,45 @@
+#pragma once
+
+#include "net/defs.hpp"
+
+namespace game
+{
+
+using PlayerHudFields = uint8_t;
+enum PlayerHudField : PlayerHudFields
+{
+    PHUD_HEALTH = 1,
+    PHUD_WEAPON_SLOTS = 2,
+    PHUD_ITEM = 4,
+    PHUD_AMMO_LOADED = 8,
+    PHUD_AMMO_TOTAL = 16,
+    PHUD_DEATH = 32,
+};
+
+struct PlayerHudData
+{
+    // general
+    uint8_t health = 0;
+    // TODO: stamina ?
+    uint8_t weapon_slots = 0;
+    
+    // held item
+    std::string held_item;
+    uint8_t ammo_loaded = 0;
+    uint32_t ammo_total = 0;
+    
+    // death
+    uint8_t dead = 0;
+    
+    // TODO: use target
+
+};
+
+enum DamageEventType : uint8_t
+{
+    DAMAGE_EVENT_RECEIVED,
+    DAMAGE_EVENT_DEALT,
+    DAMAGE_EVENT_DEALT_KILL,
+};
+
+}

src/game/player_input.hpp

@@ -4,7 +4,7 @@
 
 namespace game
 {
-	using PlayerInputFlags = uint16_t;
+	using PlayerInputFlags = uint32_t;
 
 	enum PlayerInputType : uint8_t
 	{
@@ -16,7 +16,20 @@ namespace game
 		IN_CROUCH,
 		IN_SPRINT,
 		IN_USE,
-		IN_ATTACK,
+		IN_ATTACK_PRIMARY,
+		IN_ATTACK_SECONDARY,
+		IN_HOLSTER,
+		IN_RELOAD,
+		IN_WEAPON_1,
+		IN_WEAPON_2,
+		IN_WEAPON_3,
+		IN_WEAPON_4,
+		IN_WEAPON_5,
+		IN_WEAPON_6,
+		IN_WEAPON_7,
+		IN_WEAPON_8,
+		IN_WEAPON_9,
+		IN_WEAPON_0,
 		IN_DEBUG1,
 		IN_DEBUG2,
 		IN_DEBUG3,

src/game/rideable.cpp

@@ -2,7 +2,12 @@
 
 #include <stdexcept>
 
-game::Rideable::Rideable(Entity& entity, RideableType type) : entity_(entity), type_(type) {}
+#include "world.hpp"
+
+game::Rideable::Rideable(Entity& entity, RideableType type) : entity_(entity), type_(type)
+{
+    last_passenger_leave_time_ = entity_.GetWorld().GetTime();
+}
 
 void game::Rideable::SetPassenger(size_t seat_idx, HumanCharacter* passenger) 
 {
@@ -17,6 +22,8 @@ void game::Rideable::SetPassenger(size_t seat_idx, HumanCharacter* passenger)
     if (seat.passenger)
     {
         seat.passenger->SetRideable(nullptr, 0); // remove current passenger
+        seat.passenger = nullptr;
+        OnPassengerChanged(seat_idx, nullptr);
     }
 
     seat.passenger = passenger;
@@ -27,9 +34,10 @@ void game::Rideable::SetPassenger(size_t seat_idx, HumanCharacter* passenger)
     }
 
     OnPassengerChanged(seat_idx, passenger);
+    UpdateLeaveTime();
 }
 
-game::HumanCharacter* game::Rideable::GetPassenger(size_t seat_idx)
+game::HumanCharacter* game::Rideable::GetPassenger(size_t seat_idx) const
 {
     if (seat_idx >= seats_.size())
         return nullptr;
@@ -37,7 +45,7 @@ game::HumanCharacter* game::Rideable::GetPassenger(size_t seat_idx)
     return seats_[seat_idx].passenger;
 }
 
-const glm::vec3& game::Rideable::GetSeatOffset(size_t seat_idx)
+const glm::vec3& game::Rideable::GetSeatOffset(size_t seat_idx) const
 {
     if (seat_idx >= seats_.size())
         throw std::runtime_error("Invalid seat index");
@@ -54,6 +62,28 @@ void game::Rideable::KickAll()
     }
 }
 
+void game::Rideable::OnRideableDamaged(const DamageInfo& damage) const
+{
+    for (const auto& seat : seats_)
+    {
+        if (seat.passenger)
+        {
+            seat.passenger->OnRideableDamaged(damage);
+        }
+    }
+}
+
+bool game::Rideable::IsAbandoned(int64_t time) const
+{
+    // still someone in
+    if (last_passenger_leave_time_ < 0)
+    {
+        return false;
+    }
+
+    return entity_.GetWorld().GetTime() - last_passenger_leave_time_ >= time;
+}
+
 game::Rideable::~Rideable()
 {
     // kick passengers
@@ -67,3 +97,25 @@ size_t game::Rideable::AddSeat(const glm::vec3& offset)
     seats_.emplace_back(seat);
     return seats_.size() - 1;
 }
+
+void game::Rideable::UpdateLeaveTime()
+{
+    size_t num_passengers = 0;
+    for (const auto& seat : seats_)
+    {
+        if (seat.passenger)
+        {
+            ++num_passengers;
+        }
+    }
+
+    if (num_passengers > 0)
+    {
+        last_passenger_leave_time_ = -1;
+    }
+    else
+    {
+        last_passenger_leave_time_ = entity_.GetWorld().GetTime();
+    }
+
+}

src/game/rideable.hpp

@@ -25,16 +25,20 @@ public:
     Rideable(Entity& entity, RideableType type);
 
     void SetPassenger(size_t seat_idx, HumanCharacter* passenger);
-    HumanCharacter* GetPassenger(size_t seat_idx);
+    HumanCharacter* GetPassenger(size_t seat_idx) const;
-    const glm::vec3& GetSeatOffset(size_t seat_idx);
+    const glm::vec3& GetSeatOffset(size_t seat_idx) const;
     size_t GetNumSeats() const { return seats_.size(); }
     void KickAll();
 
     virtual void SetRideableInput(PlayerInputFlags in) {}
-    virtual void SetRideableYaw(float yaw) {}
+    virtual void SetRideableViewAngles(float yaw, float pitch) {}
+    
+    void OnRideableDamaged(const DamageInfo& damage) const;
     
     RideableType GetRideableType() const { return type_; }
     
+    bool IsAbandoned(int64_t time) const;
+
     Entity& GetEntity() { return entity_; }
     const Entity& GetEntity() const { return entity_; }
 
@@ -44,10 +48,15 @@ protected:
     size_t AddSeat(const glm::vec3& offset);
     virtual void OnPassengerChanged(size_t seat_idx, HumanCharacter* passenger) {}
 
+private:
+    void UpdateLeaveTime();
+
 private:
     Entity& entity_;
     RideableType type_;
     std::vector<RideableSeat> seats_;
+
+    int64_t last_passenger_leave_time_ = -1;
 };
 
 

src/game/skeletoninstance.cpp

@@ -7,6 +7,15 @@ game::SkeletonInstance::SkeletonInstance(std::shared_ptr<const assets::Skeleton>
     SetupBoneNodes();
 }
 
+const game::TransformNode* game::SkeletonInstance::GetBoneNodeByName(const std::string& bone_name) const
+{
+    auto idx = skeleton_->GetBoneIndex(bone_name);
+    if (idx < 0)
+        return nullptr;
+
+    return &GetBoneNode(idx);
+}
+
 void game::SkeletonInstance::ApplySkelAnim(const assets::Animation& anim, float time, float weight)
 {
     float anim_frame = time * anim.GetTPS();
@@ -52,6 +61,32 @@ void game::SkeletonInstance::ApplySkelAnim(const assets::Animation& anim, float
     }
 }
 
+void game::SkeletonInstance::ApplyAim(float yaw, float pitch)
+{
+    const auto& aim_bones = skeleton_->GetAimBones();
+    if (aim_bones.empty())
+        return;
+
+    for (const auto& aim_bone : aim_bones)
+    {
+        auto& bone_transform = bone_nodes_[aim_bone.idx].local;
+
+        if (aim_bone.pitch_weight > 0.0f)
+        {
+            auto pitch_rotation = glm::angleAxis(-pitch * aim_bone.pitch_weight, aim_bone.pitch_axis);
+            bone_transform.rotation = pitch_rotation * bone_transform.rotation;
+        }
+        
+        if (aim_bone.yaw_weight > 0.0f)
+        {
+            auto yaw_rotation = glm::angleAxis(yaw * aim_bone.yaw_weight, aim_bone.yaw_axis);
+            bone_transform.rotation = yaw_rotation * bone_transform.rotation;
+        }
+        
+
+    }
+}
+
 void game::SkeletonInstance::UpdateBoneMatrices()
 {
     for (TransformNode& node : bone_nodes_)

src/game/skeletoninstance.hpp

@@ -15,8 +15,11 @@ public:
 
     const TransformNode* GetRootNode() const { return root_node_; }
     const TransformNode& GetBoneNode(size_t index) const { return bone_nodes_[index]; }
+    const TransformNode* GetBoneNodeByName(const std::string& bone_name) const;
 
     void ApplySkelAnim(const assets::Animation& anim, float time, float weight);
+    void ApplyAim(float yaw, float pitch);
+
     void UpdateBoneMatrices();
 
     const std::vector<TransformNode> GetBoneNodes() const { return bone_nodes_; }

src/game/vehicle.cpp

@@ -5,6 +5,7 @@
 #include "player.hpp"
 #include "player_input.hpp"
 #include "utils/random.hpp"
+#include "utils/math.hpp"
 
 #include <iostream>
 
@@ -13,23 +14,24 @@ static std::shared_ptr<const assets::VehicleModel> LoadVehicleModelByName(const
     return assets::CacheManager::GetVehicleModel("data/" + model_name + ".veh");
 }
 
-game::Vehicle::Vehicle(World& world, const VehicleTuning& tuning)
+game::Vehicle::Vehicle(World& world, const VehicleSpawnInfo& info)
-    : Entity(world, net::ET_VEHICLE), tuning_(tuning), model_(LoadVehicleModelByName(tuning.model)),
+    : Entity(world, net::ET_VEHICLE), tuning_(info.tuning), model_(LoadVehicleModelByName(info.tuning.model)),
-      tuninglist_(VehicleTuningList::LoadFromFile("data/" + tuning.model + ".tun"))
+      tuninglist_(VehicleTuningList::LoadFromFile("data/" + info.tuning.model + ".tun"))
 {
-    root_.local.position.z = 10.0f;
+    root_.local.position = info.position;
+    root_.local.rotation = glm::angleAxis(info.yaw, glm::vec3(0.0f, 0.0f, 1.0f));
 
     wheels_.resize(model_->GetWheels().size());
 
-    ApplyTuning(tuning);
+    ApplyTuning(info.tuning);
 
     // init deform
-    gfx::DeformGridInfo info{};
+    gfx::DeformGridInfo deform_info{};
-    info.min = glm::vec3(-1.0f, -2.5f, 0.10f);
+    deform_info.min = glm::vec3(-1.0f, -2.5f, 0.10f);
-    info.max = glm::vec3(1.0f, 2.0f, 1.8f);
+    deform_info.max = glm::vec3(1.0f, 2.0f, 1.8f);
-    info.res = glm::ivec3(8, 16, 8);
+    deform_info.res = glm::ivec3(8, 16, 8);
-    info.max_offset = 0.1f;
+    deform_info.max_offset = 0.1f;
-    deformgrid_ = std::make_unique<DeformGrid>(info);
+    deformgrid_ = std::make_unique<DeformGrid>(deform_info);
 
     Update();
 }
@@ -38,6 +40,11 @@ void game::Vehicle::Update()
 {
     Super::Update();
 
+    if (physics_)
+    {
+        physics_->Update();
+    }
+
     root_.UpdateMatrix();
 
     flags_ = 0;
@@ -76,20 +83,32 @@ void game::Vehicle::OnContact(const collision::ContactInfo& info)
     if (info.impulse < 1000.0f)
         return;
 
-    if (health_ > 0.0f)
+    ApplyDamage(info.impulse * 0.01f);
-    {
-        health_ -= info.impulse;
-
-        if (health_ <= 0.0f) // just broken
-        {
-            PlaySound("breakwindow", 1.0f, 1.0f);
-        }
-    }
-
-    if (health_ <= 0.0f)
-    {
     Deform(info.pos, -glm::normalize(info.normal) * 0.1f, 1.0f);
+
 }
+
+void game::Vehicle::ReceiveDamage(const DamageInfo& damage)
+{
+    Super::ReceiveDamage(damage);
+
+    if (!physics_)
+        return;
+
+    if (damage.type == DAMAGE_BULLET)
+    {
+        // TODO: adjust impulse
+        auto impulse = damage.normal * -60.0f;
+        auto& bt_body = physics_->GetBtBody();
+        bt_body.activate();
+        bt_body.applyImpulse(btVector3(impulse.x, impulse.y, impulse.z),
+                             btVector3(damage.impact_pos.x, damage.impact_pos.y, damage.impact_pos.z) -
+                                 bt_body.getCenterOfMassPosition());
+
+        ApplyDamage(damage.damage * 0.2f);
+        // Deform(damage.impact_pos, damage.normal * -0.1f, 1.0f);
+    }
+
 }
 
 void game::Vehicle::SetInput(VehicleInputType type, bool enable)
@@ -171,7 +190,11 @@ void game::Vehicle::ProcessInput()
     float steeringClamp = std::max(minsc, (1.f - (std::abs(speed) / sl)) * maxsc);
     // steeringClamp = .5f;
     float steeringSpeed = steeringClamp * 5.0f;
+    if (steering_analog_)
+        steeringSpeed *= 3.0f;
+
     float steeringInc = steeringSpeed * t_delta;
+    float steeringDec = steeringInc * 2.0f;
 
     const bool in_forward = in_ & (1 << VIN_FORWARD);
     const bool in_backward = in_ & (1 << VIN_BACKWARD);
@@ -246,23 +269,9 @@ void game::Vehicle::ProcessInput()
     }
     else
     {
-        if (steering_ < target_steering_)
+        auto target_steering_clamped = glm::clamp(target_steering_, -steeringClamp, steeringClamp);
-        {
+        MoveToward(steering_, target_steering_clamped,
-            steering_ += steeringInc;
+                   glm::abs(target_steering_clamped) < glm::abs(steering_) ? steeringInc : steeringDec);
-            if (steering_ > target_steering_)
-                steering_ = target_steering_;
-        }
-        else if (steering_ > target_steering_)
-        {
-            steering_ -= steeringInc;
-            if (steering_ < target_steering_)
-                steering_ = target_steering_;
-        }
-
-        if (steering_ > steeringClamp)
-            steering_ = steeringClamp;
-        else if (steering_ < -steeringClamp)
-            steering_ = -steeringClamp;
     }
 
     auto& vehicle = physics_->GetBtVehicle();
@@ -352,17 +361,29 @@ void game::Vehicle::UpdateCrash()
     }
     else
     {
-        if (crash_intensity_ > 1000.0f)
+        if (physics_)
+        {
+            auto bt_vel = physics_->GetBtBody().getLinearVelocity();
+            glm::vec3 velocity(bt_vel.x(), bt_vel.y(), bt_vel.z());
+            float diff = glm::distance(velocity, prev_velocity_);
+            prev_velocity_ = velocity;
+
+            if (glm::length2(velocity) > 9.0f)
+                diff = 0.0f;
+
+            float snd_crash_intensity = glm::max(diff * 500.0f, crash_intensity_);
+
+            if (snd_crash_intensity > 1000.0f)
             {
                 float volume = RandomFloat(0.9f, 1.2f);
                 float pitch = RandomFloat(1.0f, 1.3f);
 
-            if (crash_intensity_ > 12000.0f)
+                if (snd_crash_intensity > 12000.0f)
                 {
                     volume *= 1.7f;
                     pitch *= 0.8f;
                 }
-            if (crash_intensity_ > 4000.0f)
+                if (snd_crash_intensity > 4000.0f)
                 {
                     volume *= 1.3f;
                     pitch *= 0.8f;
@@ -374,8 +395,12 @@ void game::Vehicle::UpdateCrash()
                 }
 
                 PlaySound("crash", volume, pitch);
-            no_crash_frames_ = 7 + rand() % 10;
+                no_crash_frames_ = 8 + rand() % 5;
             }
+
+        }
+
+
     }
 
     crash_intensity_ = 0.0f;
@@ -504,6 +529,20 @@ void game::Vehicle::SendUpdateMsg()
     msg.WriteAt(fields_pos, fields);
 }
 
+void game::Vehicle::ApplyDamage(float damage)
+{
+    if (health_ <= 0.0f)
+        return;
+
+    health_ -= damage;
+
+    if (health_ <= 0.0f) // just broken
+    {
+        PlaySound("breakwindow", 1.0f, 1.0f);
+        health_ = 0.0f;
+    }
+}
+
 void game::Vehicle::WriteDeformSync(net::OutMessage& msg) const
 {
     const auto texels = deformgrid_->GetData();
@@ -535,6 +574,9 @@ void game::Vehicle::WriteDeformSync(net::OutMessage& msg) const
 
 void game::Vehicle::Deform(const glm::vec3& pos, const glm::vec3& deform, float radius)
 {
+    if (health_ > 0.0f)
+        return;
+
     net::PositionQ pos_q;
     net::PositionQ deform_q;
     net::EncodePosition(pos, pos_q);
@@ -697,9 +739,28 @@ game::VehiclePhysics::VehiclePhysics(collision::DynamicsWorld& world, Transform&
     }
 
     auto& bt_world = world_.GetBtWorld();
-    bt_world.addRigidBody(body_.get(), btBroadphaseProxy::DefaultFilter, btBroadphaseProxy::AllFilter);
+    bt_world.addRigidBody(body_.get(), collision::OG_DEFAULT, ~collision::OG_PROJECTILE);
     bt_world.addAction(vehicle_.get());
 
+
+    // make bullet hitbox
+    auto col_mesh = model.GetModel()->GetColMesh();
+    if (col_mesh)
+    {
+        bullet_hitbox_ = std::make_unique<btCollisionObject>();
+        bullet_hitbox_->setCollisionShape(col_mesh->GetShape());
+        collision::SetObjectInfo(bullet_hitbox_.get(), collision::OT_ENTITY, 0, &obj_cb);
+    
+        bt_world.addCollisionObject(bullet_hitbox_.get(), collision::OG_DEFAULT, collision::OG_PROJECTILE);
+
+        UpdateBulletHitboxTransform();
+    }
+
+}
+
+void game::VehiclePhysics::Update()
+{
+    UpdateBulletHitboxTransform();
 }
 
 game::VehiclePhysics::~VehiclePhysics()
@@ -707,4 +768,17 @@ game::VehiclePhysics::~VehiclePhysics()
     auto& bt_world = world_.GetBtWorld();
     bt_world.removeRigidBody(body_.get());
     bt_world.removeAction(vehicle_.get());
+
+    if (bullet_hitbox_)
+    {
+        bt_world.removeCollisionObject(bullet_hitbox_.get());
+    }
+}
+
+void game::VehiclePhysics::UpdateBulletHitboxTransform()
+{
+    if (!bullet_hitbox_)
+        return;
+
+    bullet_hitbox_->setWorldTransform(body_->getWorldTransform());
 }

src/game/vehicle.hpp

@@ -41,16 +41,29 @@ public:
 
     DELETE_COPY_MOVE(VehiclePhysics)
 
+    void Update();
+
     btRigidBody& GetBtBody() { return *body_; }
     collision::RaycastVehicle& GetBtVehicle() { return *vehicle_; }
 
     ~VehiclePhysics();
 
+private:
+    void UpdateBulletHitboxTransform();
+
 private:
     collision::DynamicsWorld& world_;
     collision::MotionState motion_;
     std::unique_ptr<btRigidBody> body_;
     std::unique_ptr<collision::RaycastVehicle> vehicle_;
+    std::unique_ptr<btCollisionObject> bullet_hitbox_;
+};
+
+struct VehicleSpawnInfo
+{
+    glm::vec3 position;
+    float yaw;
+    VehicleTuning tuning;
 };
 
 class Vehicle : public Entity
@@ -58,12 +71,13 @@ class Vehicle : public Entity
 public:
     using Super = Entity;
 
-    Vehicle(World& world, const VehicleTuning& tuning);
+    Vehicle(World& world, const VehicleSpawnInfo& info);
 
     virtual void Update() override;
     virtual void SendInitData(Player& player, net::OutMessage& msg) const override;
 
     virtual void OnContact(const collision::ContactInfo& info) override;
+    virtual void ReceiveDamage(const DamageInfo& damage) override;
 
     void SetInput(VehicleInputType type, bool enable);
     void SetInputs(VehicleInputFlags inputs) { in_ = inputs; }
@@ -96,6 +110,8 @@ private:
     VehicleSyncFieldFlags WriteState(net::OutMessage& msg, const VehicleSyncState& base) const;
     void SendUpdateMsg();
 
+    void ApplyDamage(float damage);
+
     void WriteDeformSync(net::OutMessage& msg) const;
     void Deform(const glm::vec3& pos, const glm::vec3& deform, float radius);
     void SendDeformMsg(const net::PositionQ& pos, const net::PositionQ& deform);
@@ -129,10 +145,11 @@ private:
 
     VehicleInputFlags in_ = 0;
 
-    float health_ = 10000.0f;
+    float health_ = 100.0f;
 
     float crash_intensity_ = 0.0f;
     size_t no_crash_frames_ = 0;
+    glm::vec3 prev_velocity_ = glm::vec3(0.0f);
 
     std::unique_ptr<DeformGrid> deformgrid_;
 

src/game/world.cpp

@@ -8,6 +8,9 @@
 #include "destroyed_object.hpp"
 #include "utils/allocnum.hpp"
 #include "player_character.hpp"
+#include "net/utils.hpp"
+#include "marker.hpp"
+#include "utils/math.hpp"
 
 game::World::World(std::string mapname) : Scheduler(time_ms_), map_(*this, std::move(mapname)) {}
 
@@ -68,6 +71,7 @@ void game::World::Update(int64_t delta_time)
 void game::World::FinishFrame()
 {
     ResetMsg();
+    ResetLocalMsgs();
 
     // reset ent msgs
     for (auto& [entnum, ent] : ents_)
@@ -171,6 +175,226 @@ const game::UseTarget* game::World::GetBestUseTarget(game::PlayerCharacter& char
     return cb.best_target;
 }
 
+bool game::World::TraceBullet(const glm::vec3& start, const glm::vec3& end, game::HumanCharacter* shooter,
+                              glm::vec3& out_hit_pos)
+{
+    return TraceBulletInternal(start, end, shooter, out_hit_pos) != nullptr;
+}
+
+static uint32_t GetMaterialColor(collision::Material material)
+{
+    switch (material)
+    {
+    case collision::PM_STONE:
+        return 0xFFFFFF;
+    case collision::PM_DIRT:
+        return 0x224488;
+    case collision::PM_GRASS:
+        return 0x00FF00;
+    case collision::PM_WOOD:
+        return 0x0000FF;
+    case collision::PM_METAL:
+        return 0x0077FF;
+    case collision::PM_GLASS:
+        return 0xFF7700;
+    case collision::PM_FLESH:
+        return 0xFF00FF;
+    default:
+        return 0xFFFFFF;
+    }
+}
+
+static std::string GetMaterialImpactFx(collision::Material material)
+{
+    switch (material)
+    {
+    case collision::PM_STONE:
+        return "impact_stone";
+    case collision::PM_DIRT:
+        return "impact_dirt";
+    case collision::PM_GRASS:
+        return "impact_grass";
+    case collision::PM_WOOD:
+        return "impact_wood";
+    case collision::PM_METAL:
+        return "impact_metal";
+    case collision::PM_GLASS:
+        return "impact_glass";
+    case collision::PM_FLESH:
+        return "impact_flesh";
+    default:
+        return "impact_stone";
+    }
+}
+
+void game::World::FireBullet(const BulletInfo& bullet)
+{
+    glm::vec3 hit_pos, hit_normal;
+    collision::Material material;
+    auto hit_obj = TraceBulletInternal(bullet.start, bullet.end, bullet.shooter, hit_pos, &hit_normal, &material);
+    if (!hit_obj)
+    {
+        // Beam(bullet.start, bullet.end, 0x0044DD, 0.04f);
+        return;
+    }
+    
+    hit_normal = glm::normalize(hit_normal);
+
+    auto obj_cb = collision::GetObjectCallback(hit_obj);
+    if (obj_cb)
+    {
+        // apply damage
+        DamageInfo damage;
+        damage.type = DAMAGE_BULLET;
+        damage.damage = bullet.damage;
+        damage.from_pos = bullet.start;
+        damage.impact_pos = hit_pos;
+        damage.inflictor = bullet.shooter;
+        damage.hit_object = hit_obj;
+        damage.normal = hit_normal;
+        obj_cb->ReceiveDamage(damage);
+    }
+
+    // TODO: remove
+    // const float box_extent = 0.1f;
+    // BeamBox(hit_pos - box_extent, hit_pos + box_extent, GetMaterialColor(material), 1.0f);
+    
+    // Beam(bullet.start, hit_pos, 0x0044DD, 0.04f);
+
+    // effect
+    Effect(GetMaterialImpactFx(material), hit_pos, hit_normal);
+}
+
+void game::World::Beam(const glm::vec3& start, const glm::vec3& end, uint32_t color, float time)
+{
+    auto msg = BeginLocalMsg(start, 500.0f, net::MSG_BEAM);
+    net::WritePosition(msg, start);
+    net::WritePosition(msg, end);
+    net::WriteRGB(msg, color);
+    msg.Write<net::BeamTimeQ>(time);
+}
+
+void game::World::BeamBox(const glm::vec3& min, const glm::vec3& max, uint32_t color, float time)
+{
+    const glm::vec3& p0 = min;
+    const glm::vec3 p1(max.x, min.y, min.z);
+    const glm::vec3 p2(max.x, max.y, min.z);
+    const glm::vec3 p3(min.x, max.y, min.z);
+    const glm::vec3 p4(min.x, min.y, max.z);
+    const glm::vec3 p5(max.x, min.y, max.z);
+    const glm::vec3& p6 = max;
+    const glm::vec3 p7(min.x, max.y, max.z);
+
+    Beam(p0, p1, color, time);
+    Beam(p1, p2, color, time);
+    Beam(p2, p3, color, time);
+    Beam(p3, p0, color, time);
+
+    Beam(p4, p5, color, time);
+    Beam(p5, p6, color, time);
+    Beam(p6, p7, color, time);
+    Beam(p7, p4, color, time);
+
+    Beam(p0, p4, color, time);
+    Beam(p1, p5, color, time);
+    Beam(p2, p6, color, time);
+    Beam(p3, p7, color, time);
+}
+
+void game::World::Effect(const std::string& name, const glm::vec3& pos, const glm::vec3& dir)
+{
+    auto msg = BeginLocalMsg(pos, 400.0f, net::MSG_FX);
+    msg.Write(net::ModelName(name));
+    net::WritePosition(msg, pos);
+    msg.Write<net::DirQ>(dir.x);
+    msg.Write<net::DirQ>(dir.y);
+    msg.Write<net::DirQ>(dir.z);
+}
+
+void game::World::SendChat(const std::string& text)
+{
+    auto msg = BeginMsg(net::MSG_CHAT);
+    msg.Write(net::ChatMessage(text));
+}
+
+void game::World::CreateItemPickup(const glm::vec3& position, std::shared_ptr<ItemInstance> item, int64_t despawn_time,
+                                   int64_t respawn_time, size_t ammo_count)
+{
+    MarkerInfo marker_info{};
+    marker_info.position = position;
+    marker_info.type = MARKER_PICKUP;
+    marker_info.color = 0xFFFFFF;
+    marker_info.model = item->def->model_name;
+
+    auto& marker = Spawn<Marker>(marker_info);
+    marker.SetUseTarget(
+        "sebrat ^ccc" + item->def->displayname,
+        [](PlayerCharacter& character, UseTargetQueryResult& res) {
+            res.enabled = true;
+            res.delay = 0.1f;
+            res.error_text = nullptr;
+            return true;
+        },
+        [this, position, item, despawn_time, respawn_time, ammo_count, &marker](PlayerCharacter& character) {
+            auto player = character.GetPlayer();
+            if (!player)
+                return;
+
+            character.GiveItem(item);
+
+            if (ammo_count > 0)
+            {
+                character.GiveAmmo(item->def->ammo_type, ammo_count);
+            }
+
+            character.PlaySound("pickup_ammo");
+
+            player->SendChat("sebrals ^ccc" + item->def->displayname);
+            marker.SetUseable(false);
+            marker.Remove();
+
+            if (respawn_time > 0)
+            {
+                Schedule(respawn_time, [this, position, item, despawn_time, respawn_time, ammo_count]() {
+                    CreateItemPickup(position, item, despawn_time, respawn_time, ammo_count);
+                });
+            }
+        });
+
+    if (despawn_time > 0)
+    {
+        marker.Schedule(despawn_time, [&marker]{
+            marker.Remove();
+        });
+    }
+}
+
+static void ApplyCrashDamage(collision::ObjectCallback& obj_cb, collision::ObjectCallback* other_obj_cb, float impulse, const glm::vec3& normal, const glm::vec3& velocity)
+{
+    if (glm::length(impulse) < 1000.0f)
+        return;
+
+    if (normal.z < -0.707f)
+        return;
+
+    // float velocity_magnitude = glm::length(velocity);
+    float dmg = glm::mix(10.0f, 100.0f, impulse * 0.0001f);
+
+    // if (dmg < 10.0f)
+    //     return;
+
+    game::DamageInfo damage{};
+    damage.type = game::DAMAGE_CRASH;
+    damage.impulse = impulse;
+    damage.inflictor = other_obj_cb ? other_obj_cb->GetResponsibleCharacter() : nullptr;
+    damage.damage = dmg;
+
+    if (damage.inflictor)
+    {
+        obj_cb.ReceiveDamage(damage);
+    }
+}
+
 void game::World::HandleContacts()
 {
     auto& bt_world = GetBtWorld();
@@ -189,13 +413,23 @@ void game::World::HandleContacts()
 
         if (cb && (flags & collision::OF_NOTIFY_CONTACT))
         {
+            
             collision::ContactInfo info;
             info.pos = glm::vec3(pos.x(), pos.y(), pos.z());
             info.normal = glm::vec3(normal.x(), normal.y(), normal.z());
             info.impulse = impulse;
+            // info.other_velocity = glm::vec3(ov.x(), ov.y(), ov.z());
             cb->OnContact(info);
         }
         
+        if (cb && (flags & collision::OF_CRASH_DAMAGE))
+        {
+            auto ov = other_body->getLinearVelocity();
+            auto other_obj_cb = collision::GetObjectCallback(other_body);
+            ApplyCrashDamage(*cb, other_obj_cb, impulse, glm::normalize(glm::vec3(normal.x(), normal.y(), normal.z())),
+                             glm::vec3(ov.x(), ov.y(), ov.z()));
+        }
+
         if (type == collision::OT_MAP_OBJECT && (flags & collision::OF_DESTRUCTIBLE))
         {
             collision::ObjectType other_type;
@@ -269,3 +503,120 @@ void game::World::SendObjRespawnedMsg(net::ObjNum objnum)
     auto msg = BeginMsg(net::MSG_OBJRESPAWN);
     msg.Write(objnum);
 }
+
+static bool IsMeOrMyRideOrOtherPassengerOfMyRide(const game::HumanCharacter* me, const btCollisionObject* obj)
+{
+    if (!me) // i am not
+        return false;
+
+    // is me?
+    auto obj_cb = collision::GetObjectCallback(obj);
+    if (!obj_cb)
+        return false; // is nothing
+
+    if (obj_cb == me)
+        return true; // its me
+
+    auto my_ride = me->GetRideable();
+    if (!my_ride)
+        return false; // im not riding anything
+
+    // is my ride?
+    if (&my_ride->GetEntity() == obj_cb)
+        return true; // yes
+
+    // is other passenger?
+    auto character = dynamic_cast<game::HumanCharacter*>(obj_cb);
+    if (!character)
+        return false; // is not even human
+
+    return character->GetRideable() == my_ride;
+}
+
+struct NotMeNotMyRideAndNotOtherPassengersOfMyRideClosestRayResultCallback : public btCollisionWorld::ClosestRayResultCallback
+{
+    using Super = ClosestRayResultCallback;
+
+    NotMeNotMyRideAndNotOtherPassengersOfMyRideClosestRayResultCallback(const btVector3& rayFromWorld,
+                                                                        const btVector3& rayToWorld)
+        : ClosestRayResultCallback(rayFromWorld, rayToWorld)
+    {
+    }
+
+    game::HumanCharacter* me = nullptr;
+    int triangle_idx = 0;
+
+    virtual btScalar addSingleResult(btCollisionWorld::LocalRayResult& rayResult, bool normalInWorldSpace) override
+    {
+        if (IsMeOrMyRideOrOtherPassengerOfMyRide(me, rayResult.m_collisionObject))
+            return rayResult.m_hitFraction;
+        
+        triangle_idx = rayResult.m_localShapeInfo ? rayResult.m_localShapeInfo->m_triangleIndex : -1;
+
+        return Super::addSingleResult(rayResult, normalInWorldSpace);
+    }
+};
+
+const btCollisionObject* game::World::TraceBulletInternal(const glm::vec3& start, const glm::vec3& end,
+                                                          game::HumanCharacter* shooter, glm::vec3& out_hit_pos,
+                                                          glm::vec3* out_hit_normal,
+                                                          collision::Material* out_hit_material)
+{
+    btVector3 bt_start(start.x, start.y, start.z);
+    btVector3 bt_end(end.x, end.y, end.z);
+
+    // find hitbone targets first
+    btCollisionWorld::AllHitsRayResultCallback hitbone_cb(bt_start, bt_end);
+    hitbone_cb.m_collisionFilterGroup = collision::OG_PROJECTILE;
+    hitbone_cb.m_collisionFilterMask = collision::OG_HITBONES_PROXY;
+    GetBtWorld().rayTest(bt_start, bt_end, hitbone_cb);
+
+    for (size_t i = 0; i < hitbone_cb.m_collisionObjects.size(); ++i)
+    {
+        auto col_obj = hitbone_cb.m_collisionObjects[i];
+        auto obj_cb = collision::GetObjectCallback(col_obj);
+        if (!obj_cb)
+            continue;
+
+        obj_cb->ActivateHitBones();
+    }
+
+    NotMeNotMyRideAndNotOtherPassengersOfMyRideClosestRayResultCallback cb(bt_start, bt_end);
+    cb.m_collisionFilterGroup = collision::OG_PROJECTILE;
+    cb.m_collisionFilterMask = ~collision::OG_HITBONES_PROXY;
+    cb.me = shooter;
+    GetBtWorld().rayTest(bt_start, bt_end, cb);
+
+    if (!cb.hasHit())
+        return nullptr;
+
+    out_hit_pos = glm::vec3(cb.m_hitPointWorld.x(), cb.m_hitPointWorld.y(), cb.m_hitPointWorld.z());
+    
+    if (out_hit_normal)
+    {
+        *out_hit_normal = glm::vec3(cb.m_hitNormalWorld.x(), cb.m_hitNormalWorld.y(), cb.m_hitNormalWorld.z());
+    }
+
+    // get material
+    if (out_hit_material)
+    {
+        *out_hit_material = collision::PM_STONE;
+        auto shape = cb.m_collisionObject->getCollisionShape();
+        if (shape)
+        {
+            *out_hit_material = collision::GetShapeMaterial(*shape);
+
+            // try to get triangle material
+            if (cb.triangle_idx >= 0)
+            {
+                auto shape_info = collision::GetShapeInfo(*shape);
+                if (shape_info && shape_info->triangle_materials.size() > cb.triangle_idx)
+                {
+                    *out_hit_material = shape_info->triangle_materials[cb.triangle_idx];
+                }
+            }
+        }
+    }
+
+    return cb.m_collisionObject;
+}

src/game/world.hpp

@@ -9,11 +9,42 @@
 #include "net/defs.hpp"
 #include "player_input.hpp"
 #include "usable.hpp"
+#include "item_instance.hpp"
 
 namespace game
 {
 
-class World : public collision::DynamicsWorld, public net::MsgProducer, public Scheduler
+enum DamageType
+{
+    DAMAGE_OTHER,
+    DAMAGE_BULLET,
+    DAMAGE_CRASH,
+};
+
+class HumanCharacter;
+
+struct DamageInfo
+{
+    DamageType type = DAMAGE_OTHER;
+    float damage = 0.0f;
+    float impulse = 0.0f;
+    glm::vec3 from_pos{};
+    glm::vec3 impact_pos{};
+    glm::vec3 normal{};
+    HumanCharacter* inflictor = nullptr;
+    const btCollisionObject* hit_object = nullptr;
+};
+
+struct BulletInfo
+{
+    HumanCharacter* shooter;
+    glm::vec3 start;
+    glm::vec3 end;
+    float damage;
+    float impulse;
+};
+
+class World : public collision::DynamicsWorld, public net::MsgProducer, public net::LocalMsgProducer, public Scheduler
 {
 public:
     World(std::string mapname);
@@ -52,6 +83,19 @@ public:
     float GetDayTime() const { return daytime_; }
     void SetDayTime(float daytime) { daytime_ = glm::mod(daytime, 24.0f); }
 
+    bool TraceBullet(const glm::vec3& start, const glm::vec3& end, game::HumanCharacter* shooter, glm::vec3& out_hit_pos);
+    void FireBullet(const BulletInfo& bullet);
+
+    void Beam(const glm::vec3& start, const glm::vec3& end, uint32_t color, float time);
+    void BeamBox(const glm::vec3& min, const glm::vec3& max, uint32_t color, float time);
+
+    void Effect(const std::string& name, const glm::vec3& pos, const glm::vec3& dir);
+
+    void SendChat(const std::string& text);
+
+    void CreateItemPickup(const glm::vec3& position, std::shared_ptr<ItemInstance> item, int64_t despawn_time,
+                          int64_t respawn_time, size_t ammo_count);
+
     virtual ~World() = default;
 
 private:
@@ -62,6 +106,11 @@ private:
     void SendObjDestroyedMsg(net::ObjNum objnum);
     void SendObjRespawnedMsg(net::ObjNum objnum);
 
+    const btCollisionObject* TraceBulletInternal(const glm::vec3& start, const glm::vec3& end,
+                                                 game::HumanCharacter* shooter, glm::vec3& out_hit_pos,
+                                                 glm::vec3* out_hit_normal = nullptr,
+                                                 collision::Material* out_hit_material = nullptr);
+
 private:
     MapInstance map_;
     std::set<net::ObjNum> destroyed_objs_;

src/gameview/characterview.cpp

@@ -34,6 +34,13 @@ game::view::CharacterView::CharacterView(WorldView& world, net::InMessage& msg)
 
     UpdateSurfaceMask();
 
+    // read item
+    net::ModelName item_name;
+    if (!msg.Read(item_name))
+        throw EntityInitError();
+
+    SetItem(item_name);
+
     // read initial state
     if (!ReadState(&msg))
         throw EntityInitError();
@@ -47,6 +54,10 @@ bool game::view::CharacterView::ProcessMsg(net::EntMsgType type, net::InMessage&
 {
     switch (type)
     {
+    case net::EMSG_EQUIP:
+        return ProcessEquipMsg(msg);
+    case net::EMSG_FIRE:
+        return ProcessFireMsg(msg);
     default:
         return Super::ProcessMsg(type, msg);
     }
@@ -63,23 +74,45 @@ void game::view::CharacterView::Update(const UpdateInfo& info)
 
     // interpolate states
     float tps = 25.0f;
-    float t = (info.time - update_time_) * tps * 0.8f; // assume some jitter, interpolate for longer
+    float t = (info.time - update_time_) * tps * 0.8f; // assume some jitter, interpolate for longer;
     t = glm::clamp(t, 0.0f, 2.0f);
+    float t_sane = glm::clamp(t, 0.0f, 1.0f);
 
     root_.local = Transform::Lerp(states_[0].trans, states_[1].trans, t);
+
+    // loco
     animstate_.loco_blend = glm::mix(states_[0].loco_blend, states_[1].loco_blend, t);
            
     float loco_phase0 = states_[0].loco_phase;
     float loco_phase1 = states_[1].loco_phase;
-    if (loco_phase0 > loco_phase1)
+
-        loco_phase0 -= 1.0f;
+    // interpolate across 0-1 wrap using the shortest direction
-    animstate_.loco_phase = glm::mod(glm::mix(loco_phase0, loco_phase1, t), 1.0f);
+    // compute signed shortest delta in range [-0.5,0.5)
+    float delta = glm::mod(loco_phase1 - loco_phase0 + 0.5f, 1.0f) - 0.5f;
+    float interp = loco_phase0 + delta * t;
+    animstate_.loco_phase = glm::mod(interp, 1.0f);
+
+    // action
+    animstate_.action_time = glm::mix(states_[0].action_time, states_[1].action_time, t_sane);
+    // if (animstate_.action_anim_idx != assets::NO_ANIM)
+    // {
+    //     std::cout <<"phase: " << animstate_.action_phase << std::endl;
+    // }
+
+    // aim
+    animstate_.yaw = glm::mix(states_[0].aim_yaw, states_[1].aim_yaw, t_sane);
+    animstate_.pitch = glm::mix(states_[0].aim_pitch, states_[1].aim_pitch, t_sane);
 
     animstate_.ApplyToSkeleton(sk_);
 
     root_.UpdateMatrix();
     sk_.UpdateBoneMatrices();
     ubo_valid_ = false;
+
+    if (item_)
+    {
+        item_node_.UpdateMatrix();
+    }
 }
 
 void game::view::CharacterView::Draw(const DrawArgs& args)
@@ -95,17 +128,17 @@ void game::view::CharacterView::Draw(const DrawArgs& args)
     //args.dlist.AddBeam(start, end, 0xFF007700, 0.05f);
 
     //// draw bones debug
-    const auto& bone_nodes = sk_.GetBoneNodes();
+    // const auto& bone_nodes = sk_.GetBoneNodes();
-    for (const auto& bone_node : bone_nodes)
+    // for (const auto& bone_node : bone_nodes)
-    {
+    // {
-        if (!bone_node.parent)
+    //     if (!bone_node.parent)
-            continue;
+    //         continue;
 
-       glm::vec3 p0 = bone_node.parent->matrix[3];
+    //    glm::vec3 p0 = bone_node.parent->matrix[3];
-       glm::vec3 p1 = bone_node.matrix[3];
+    //    glm::vec3 p1 = bone_node.matrix[3];
 
-       args.dlist.AddBeam(p0, p1, 0xFF00EEEE, 0.01f);
+    //    args.dlist.AddBeam(p0, p1, 0xFF00EEEE, 0.01f);
-    }
+    // }
 
     // update skinning matrices
     if (!ubo_valid_)
@@ -142,6 +175,8 @@ void game::view::CharacterView::Draw(const DrawArgs& args)
         cmd.skinning = &ubo_;
         args.dlist.AddSurface(cmd);
     }
+
+    DrawItem(args);
 }
 
 void game::view::CharacterView::OnAttach()
@@ -158,13 +193,17 @@ bool game::view::CharacterView::ReadState(net::InMessage* msg)
 {
     update_time_ = world_.GetTime();
     
-    // init lerp start state
+    auto& old_state = states_[0];
-    states_[0].trans = root_.local;
-    states_[0].loco_blend = animstate_.loco_blend;
-    states_[0].loco_phase = animstate_.loco_phase;
-
     auto& new_state = states_[1];
 
+    // init lerp start state
+    old_state.trans = root_.local;
+    old_state.loco_blend = animstate_.loco_blend;
+    old_state.loco_phase = animstate_.loco_phase;
+    old_state.action_time = animstate_.action_time;
+    old_state.aim_yaw = animstate_.yaw;
+    old_state.aim_pitch = animstate_.pitch;
+
     if (msg)
     {
         // parse state delta
@@ -209,6 +248,42 @@ bool game::view::CharacterView::ReadState(net::InMessage* msg)
             new_state.loco_blend = sync_.loco_blend.Decode();
             new_state.loco_phase = sync_.loco_phase.Decode();
         }
+
+        // action anim
+        if (fields & CSF_ACTION_ANIM)
+        {
+            if (!msg->Read(sync_.action_anim))
+                return false;
+
+            animstate_.action_anim_idx = sync_.action_anim;
+        }
+
+        // action time
+        if (fields & CSF_ACTION_TIME)
+        {
+            if (!net::ReadDelta(*msg, sync_.action_time))
+                return false;
+
+            new_state.action_time = sync_.action_time.Decode();
+
+            if (fields & CSF_ACTION_ANIM)
+            {
+                // anim just changed, dont blend time
+                old_state.action_time = new_state.action_time;
+                animstate_.action_time = new_state.action_time;
+            }
+        }
+
+        // aim
+        if (fields & CSF_AIM)
+        {
+            if (!net::ReadDelta(*msg, sync_.aim_yaw) || !net::ReadDelta(*msg, sync_.aim_pitch))
+                return false; 
+
+            new_state.aim_yaw = sync_.aim_yaw.Decode();
+            new_state.aim_pitch = sync_.aim_pitch.Decode();
+        }
+
     }
 
     return true;
@@ -258,3 +333,94 @@ void game::view::CharacterView::AddClothes(const std::string& name, const glm::v
 
     clothes_.emplace_back(std::move(c));
 }
+
+bool game::view::CharacterView::ProcessEquipMsg(net::InMessage& msg)
+{
+    net::ModelName item_name;
+    if (!msg.Read(item_name))
+        return false;
+
+    SetItem(item_name);
+
+    return true;
+}
+
+bool game::view::CharacterView::ProcessFireMsg(net::InMessage& msg)
+{
+    FireItem();
+    return true;
+}
+
+void game::view::CharacterView::SetItem(const std::string& item_name)
+{
+    if (item_name == item_name_)
+        return;
+
+    item_name_ = item_name;
+
+    fire_snd_.reset();
+    fire_fx_.reset();
+
+    if (item_name.empty())
+    {
+        item_.reset();
+        return;
+    }
+
+    item_ = assets::CacheManager::GetItem("data/" + item_name + ".item");
+
+    auto bone_node = sk_.GetBoneNodeByName(item_->bone);
+    item_node_.parent = bone_node ? bone_node : &root_;
+    item_node_.local = item_->bone_offset;
+
+    // snd
+    if (!item_->fire_snd.empty())
+    {
+        fire_snd_ = assets::CacheManager::GetSound("data/" + item_->fire_snd + ".snd");
+    }
+
+    // fx
+    if (!item_->fire_fx.empty())
+    {
+        fire_fx_ = assets::CacheManager::GetEffect("data/" + item_->fire_fx + ".fx");
+        auto loc = item_->model->GetLocation(item_->fire_fx_loc);
+        fire_fx_offset_ = loc ? loc->position : glm::vec3(0.0f);
+    }
+
+}
+
+void game::view::CharacterView::DrawItem(const DrawArgs& args)
+{
+    if (!item_ || !item_->model)
+        return;
+
+    const auto& mesh = *item_->model->GetMesh();
+    for (const auto& surface : mesh.surfaces)
+    {
+        gfx::DrawSurfaceCmd cmd;
+        cmd.surface = &surface;
+        cmd.matrices = &item_node_.matrix;
+        args.dlist.AddSurface(cmd);
+    }
+}
+
+void game::view::CharacterView::FireItem()
+{
+    if (!item_)
+        return;
+
+    if (fire_snd_)
+    {
+        auto snd = audioplayer_.PlaySound(fire_snd_, &item_node_);
+        // snd->SetPosition(item_node_.GetGlobalPosition());
+    }
+
+    if (fire_fx_)
+    {
+        glm::vec3 pos = item_node_.matrix * glm::vec4(fire_fx_offset_, 1.0f);
+        glm::vec3 dir = item_node_.matrix * glm::vec4(0.0f, 1.0f, 0.0f, 0.0f);
+        world_.GetEmitter().Emit(fire_fx_, pos, glm::normalize(dir));
+    }
+
+
+}

src/gameview/characterview.hpp

@@ -2,6 +2,8 @@
 
 #include "entityview.hpp"
 #include "assets/model.hpp"
+#include "assets/item.hpp"
+#include "assets/effect.hpp"
 #include "game/skeletoninstance.hpp"
 #include "skinning_ubo.hpp"
 #include "game/character_anim_state.hpp"
@@ -13,8 +15,14 @@ namespace game::view
 struct CharacterViewState
 {
     Transform trans;
+    
     float loco_blend = 0.0f;
     float loco_phase = 0.0f;
+    
+    float action_time = 0.0f;
+
+    float aim_yaw = 0.0f;
+    float aim_pitch = 0.0f; 
 };
 
 struct CharacterViewClothes
@@ -49,6 +57,13 @@ private:
 
     void AddClothes(const std::string& name, const glm::vec3& color);
 
+    bool ProcessEquipMsg(net::InMessage& msg);
+    bool ProcessFireMsg(net::InMessage& msg);
+
+    void SetItem(const std::string& item_name);
+    void DrawItem(const DrawArgs& args);
+    void FireItem();
+
 private:
     float yaw_ = 0.0f;
 
@@ -66,6 +81,13 @@ private:
     CharacterSyncState sync_;
     CharacterViewState states_[2];
     float update_time_ = 0.0f;
+
+    std::string item_name_;
+    TransformNode item_node_;
+    std::shared_ptr<const assets::Item> item_;
+    std::shared_ptr<const audio::Sound> fire_snd_;
+    std::shared_ptr<const assets::Effect> fire_fx_;
+    glm::vec3 fire_fx_offset_{};
 };
 
 }

src/gameview/client_session.cpp

@@ -7,8 +7,10 @@
 #include "utils/version.hpp"
 #include "utils.hpp"
 #include "vehicleview.hpp"
+#include "assets/cache.hpp"
+#include "game/player_hud_data.hpp"
 
-game::view::ClientSession::ClientSession(App& app) : app_(app), use_target_hud_(app.GetTime())
+game::view::ClientSession::ClientSession(App& app) : app_(app), hud_(app.GetTime())
 {
     // send login
     auto msg = BeginMsg(net::MSG_ID);
@@ -47,6 +49,12 @@ bool game::view::ClientSession::ProcessSingleMessage(net::MessageType type, net:
     case net::MSG_CHAT:
         return ProcessChatMsg(msg);
 
+    case net::MSG_HUD:
+        return ProcessHudMsg(msg);
+
+    case net::MSG_DAMAGE:
+        return ProcessDamageMsg(msg);
+
     case net::MSG_USETARGET:
         return ProcessUseTargetMsg(msg);
 
@@ -75,18 +83,14 @@ void game::view::ClientSession::Input(game::PlayerInputType in, bool pressed, bo
 
 void game::view::ClientSession::ProcessMouseMove(float delta_yaw, float delta_pitch)
 {
-    yaw_ = glm::mod(yaw_ + delta_yaw, glm::two_pi<float>());
+    auto sens_mult = glm::mix(1.0f, 0.3f, camera_controller_.GetAimFactor());
 
-    pitch_ += delta_pitch;
+    float yaw = glm::mod(camera_controller_.GetYaw() + delta_yaw * sens_mult, glm::two_pi<float>());
-    // Clamp pitch to avoid gimbal lock
+
-    if (pitch_ > glm::radians(89.0f))
+    float pitch = camera_controller_.GetPitch() + delta_pitch * sens_mult;
-    {
+    pitch = glm::clamp(pitch, glm::radians(-89.0f), glm::radians(89.0f)); // Clamp pitch to avoid gimbal lock
-        pitch_ = glm::radians(89.0f);
+    
-    }
+    camera_controller_.SetViewAngles(yaw, pitch);
-    else if (pitch_ < glm::radians(-89.0f))
-    {
-        pitch_ = glm::radians(-89.0f);
-    }
 }
 
 void game::view::ClientSession::Update(const UpdateInfo& info)
@@ -95,7 +99,10 @@ void game::view::ClientSession::Update(const UpdateInfo& info)
     {
         world_->Update(info);
         SendViewAngles(info.time);
+        UpdateCamera(info);
     }
+
+    hud_.Update(info.delta_time);
 }
 
 void game::view::ClientSession::Draw(gfx::DrawList& dlist, gfx::DrawListParams& params, gui::Context& gui)
@@ -103,43 +110,16 @@ void game::view::ClientSession::Draw(gfx::DrawList& dlist, gfx::DrawListParams&
     if (world_)
     {
         DrawWorld(dlist, params, gui);
-    }
 
-    use_target_hud_.Draw(gui);
+        if (world_->IsLoaded())
+        {
+            hud_.Draw(gui);
+        }
+    }
 
     DrawMenus(gui);
 }
 
-void game::view::ClientSession::GetViewInfo(glm::vec3& eye, glm::mat4& view) const
-{
-    glm::vec3 start(0.0f, 0.0f, 2.0f);
-    float distance = 5.0f;
-
-    if (follow_ent_)
-    {
-        auto ent = world_->GetEntity(follow_ent_);
-        if (ent)
-        {
-            start += ent->GetRoot().GetGlobalPosition();
-
-            if (dynamic_cast<const VehicleView*>(ent))
-                distance = 8.0f;
-        }
-    }
-
-    float yaw_cos = glm::cos(yaw_);
-    float yaw_sin = glm::sin(yaw_);
-    float pitch_cos = glm::cos(pitch_);
-    float pitch_sin = glm::sin(pitch_);
-    glm::vec3 dir(-yaw_sin * pitch_cos, yaw_cos * pitch_cos, pitch_sin);
-
-    glm::vec3 end = start - dir * distance;
-
-    // start.z -= 0.5f; // shift this a bit to make it better when occluded
-    eye = world_->CameraSweep(start, end);
-    view = glm::lookAt(eye, eye + dir, glm::vec3(0, 0, 1));
-}
-
 audio::Master& game::view::ClientSession::GetAudioMaster() const
 {
     return app_.GetAudioMaster();
@@ -161,7 +141,7 @@ bool game::view::ClientSession::ProcessWorldMsg(net::InMessage& msg)
 
 bool game::view::ClientSession::ProcessCameraMsg(net::InMessage& msg)
 {
-    if (!msg.Read(follow_ent_))
+    if (!msg.Read(camera_info_.character_entnum) || !msg.Read(camera_info_.rideable_entnum) || !msg.Read(camera_info_.flags))
         return false;
 
     return true;
@@ -177,6 +157,98 @@ bool game::view::ClientSession::ProcessChatMsg(net::InMessage& msg)
     return true;
 }
 
+bool game::view::ClientSession::ProcessHudMsg(net::InMessage& msg)
+{
+    PlayerHudFields fields{};
+    if (!msg.Read(fields))
+        return false;
+
+    PlayerHudData hud_data{};
+
+    if (fields & PHUD_HEALTH)
+    {
+        if (!msg.Read(hud_data.health))
+            return false;
+
+        hud_.SetHealth(static_cast<float>(hud_data.health));
+    }
+
+    if (fields & PHUD_WEAPON_SLOTS)
+    {
+        if (!msg.Read(hud_data.weapon_slots))
+            return false;
+        
+        hud_.SetWeaponSlots(hud_data.weapon_slots);
+    }
+
+    if (fields & PHUD_ITEM)
+    {
+        net::ModelName item_name;
+        if (!msg.Read(item_name))
+            return false;
+
+        hud_data.held_item = item_name;
+
+        // determine clip size
+        std::string displayname = hud_data.held_item;
+        size_t clip_size = 0;
+        size_t item_slot = 0;
+        if (!hud_data.held_item.empty())
+        {
+            auto item = assets::CacheManager::GetItem("data/" + hud_data.held_item + ".item");
+            displayname = item->displayname;
+            clip_size = item->clip_size;
+            item_slot = item->slot;
+        }
+
+        hud_.SetItemInfo(displayname, item_slot, clip_size);
+    }
+
+    if (fields & PHUD_AMMO_LOADED)
+    {
+        if (!msg.Read(hud_data.ammo_loaded))
+            return false;
+
+        hud_.SetLoadedAmmo(static_cast<size_t>(hud_data.ammo_loaded));
+    }
+
+    if (fields & PHUD_AMMO_TOTAL)
+    {
+        if (!msg.Read(hud_data.ammo_total))
+            return false;
+
+        hud_.SetTotalAmmo(static_cast<size_t>(hud_data.ammo_total));
+    }
+
+    if (fields & PHUD_DEATH)
+    {
+        if (!msg.Read(hud_data.dead))
+            return false;
+
+        hud_.SetDead(hud_data.dead > 0);
+    }
+
+    return true;
+}
+
+bool game::view::ClientSession::ProcessDamageMsg(net::InMessage& msg)
+{
+    DamageEventType type;
+    if (!msg.Read(type))
+        return false;
+
+    if (type == DAMAGE_EVENT_RECEIVED)
+    {
+        hud_.ShowDamageReceived();
+    }
+    else
+    {
+        hud_.ShowDamageDealt(type == DAMAGE_EVENT_DEALT_KILL);
+    }
+
+    return true;
+}
+
 bool game::view::ClientSession::ProcessUseTargetMsg(net::InMessage& msg)
 {
     net::UseTargetName text, error_text;
@@ -185,7 +257,7 @@ bool game::view::ClientSession::ProcessUseTargetMsg(net::InMessage& msg)
     if (!msg.Read(text) || !msg.Read(error_text) || !msg.Read<net::UseDelayQ>(delay))
         return false;
 
-    use_target_hud_.SetData(text, error_text, delay);
+    hud_.SetUseTargetData(text, error_text, delay);
     return true;
 }
 
@@ -222,6 +294,21 @@ bool game::view::ClientSession::ProcessMenuMsg(net::InMessage& msg)
     }
 }
 
+void game::view::ClientSession::UpdateCamera(const UpdateInfo& info)
+{
+    auto character = world_->GetEntity(camera_info_.character_entnum);
+    camera_controller_.SetCharacterTransform(character ? &character->GetRoot().matrix : nullptr);
+    
+    auto rideable = world_->GetEntity(camera_info_.rideable_entnum);
+    camera_controller_.SetRideableTransform(rideable ? &rideable->GetRoot().matrix : nullptr);
+    
+    camera_controller_.SetAiming(camera_info_.flags & CAM_AIMING);
+    camera_controller_.Update(info.delta_time);
+    camera_controller_.Recalculate(world_.get());
+
+    hud_.SetDisplayCrosshair(camera_controller_.GetAimFactor() >= 0.5f);
+}
+
 void game::view::ClientSession::DrawWorld(gfx::DrawList& dlist, gfx::DrawListParams& params, gui::Context& gui)
 {
     // glm::mat4 view = glm::lookAt(glm::vec3(15.0f, 0.0f, 1.0f), glm::vec3(0.0f, 0.0f, -13.0f), glm::vec3(0.0f,
@@ -231,16 +318,14 @@ void game::view::ClientSession::DrawWorld(gfx::DrawList& dlist, gfx::DrawListPar
     const float farplane = 3000.0f;
 
     glm::mat4 proj = glm::perspective(glm::radians(45.0f), aspect, 0.1f, farplane);
-    glm::vec3 eye;
+    glm::mat4 view = camera_controller_.GetViewMatrix();
-    glm::mat4 view;
-    GetViewInfo(eye, view);
 
     params.view_proj = proj * view;
-    params.cam_pos = eye;
+    params.cam_pos = camera_controller_.GetEye();
 
     // glm::mat4 fake_view_proj = glm::perspective(glm::radians(30.0f), aspect, 0.1f, 3000.0f) * view;
 
-    game::view::DrawArgs draw_args(dlist, params.env, gui, params.view_proj, eye,
+    game::view::DrawArgs draw_args(dlist, params.env, gui, params.view_proj, params.cam_pos,
                                    glm::ivec2(params.screen_width, params.screen_height), farplane, 500.0f);
     world_->Draw(draw_args);
 
@@ -264,8 +349,8 @@ void game::view::ClientSession::SendViewAngles(float time)
 
     net::ViewYawQ yaw_q;
     net::ViewPitchQ pitch_q;
-    yaw_q.Encode(yaw_);
+    yaw_q.Encode(camera_controller_.GetYaw());
-    pitch_q.Encode(pitch_);
+    pitch_q.Encode(camera_controller_.GetPitch());
 
     if (yaw_q.value == view_yaw_q_.value && pitch_q.value == view_pitch_q_.value)
         return;
@@ -312,3 +397,4 @@ game::view::RemoteMenuView* game::view::ClientSession::FindMenu(net::MenuId id)
 
     return nullptr;
 }
+

src/gameview/client_session.hpp

@@ -3,15 +3,16 @@
 #include <memory>
 
 #include "worldview.hpp"
-
 #include "gfx/draw_list.hpp"
 #include "gfx/renderer.hpp"
 #include "net/defs.hpp"
 #include "net/inmessage.hpp"
 #include "net/msg_producer.hpp"
 #include "game/player_input.hpp"
-#include "gui/use_target_hud.hpp"
+#include "gui/player_hud.hpp"
 #include "remote_menu_view.hpp"
+#include "game/camera_info.hpp"
+#include "game/camera_controller.hpp"
 
 class App;
 
@@ -33,7 +34,6 @@ public:
     void Draw(gfx::DrawList& dlist, gfx::DrawListParams& params, gui::Context& gui);
 
     const WorldView* GetWorld() const { return world_.get(); } 
-    void GetViewInfo(glm::vec3& eye, glm::mat4& view) const;
     audio::Master& GetAudioMaster() const;
 
 private:
@@ -41,9 +41,12 @@ private:
     bool ProcessWorldMsg(net::InMessage& msg);
     bool ProcessCameraMsg(net::InMessage& msg);
     bool ProcessChatMsg(net::InMessage& msg);
+    bool ProcessHudMsg(net::InMessage& msg);
+    bool ProcessDamageMsg(net::InMessage& msg);
     bool ProcessUseTargetMsg(net::InMessage& msg);
     bool ProcessMenuMsg(net::InMessage& msg);
 
+    void UpdateCamera(const UpdateInfo& info);
     void DrawWorld(gfx::DrawList& dlist, gfx::DrawListParams& params, gui::Context& gui);
     
     void SendInput(game::PlayerInputType type, bool enable);
@@ -58,14 +61,14 @@ private:
     
     std::unique_ptr<WorldView> world_;
 
-    float yaw_ = 0.0f, pitch_ = 0.0f;
+    CameraController camera_controller_;
-    net::EntNum follow_ent_ = 0;
+    CameraInfo camera_info_;
     
     net::ViewYawQ view_yaw_q_;
     net::ViewPitchQ view_pitch_q_;
     float last_send_time_ = 0.0f;
 
-    gui::UseTargetHud use_target_hud_;
+    gui::PlayerHud hud_;
 
     std::vector<std::unique_ptr<RemoteMenuView>> remote_menus_;
 };

src/gameview/entityview.cpp

@@ -99,8 +99,11 @@ bool game::view::EntityView::ProcessPlaySoundMsg(net::InMessage& msg)
     if (!msg.Read(name) || !msg.Read<net::SoundVolumeQ>(volume) || !msg.Read<net::SoundPitchQ>(pitch))
         return false;
 
+    if (!world_.IsLoaded())
+        return true; // dont play if not loaded yet
+
     auto sound = assets::CacheManager::GetSound("data/" + std::string(name) + ".snd");
-    auto snd = audioplayer_.PlaySound(sound, &root_.local.position);
+    auto snd = audioplayer_.PlaySound(sound, &root_);
     snd->SetVolume(volume);
     snd->SetPitch(pitch);
 

src/gameview/markerview.cpp

@@ -13,46 +13,75 @@ game::view::MarkerView::MarkerView(WorldView& world, net::InMessage& msg) : Supe
 
 void game::view::MarkerView::Update(const UpdateInfo& info)
 {
-    root_.local.rotation = glm::quat(glm::vec3(0.0f, 0.0f, info.time * 0.5f));
+    float rotation_speed = marker_type_ == MARKER_PICKUP ? 2.0f : 0.5f;
+    root_.local.rotation = glm::quat(glm::vec3(0.0f, 0.0f, info.time * rotation_speed));
+
+    icon_node_.parent = &root_;
+
+    if (marker_type_ == MARKER_PICKUP)
+    {
+        icon_node_.local.position.z = 0.6f + glm::sin(info.time * 2.0f) * 0.1f;
+    }
+    else
+    {
+        icon_node_.local.position.z = 1.0f;
+    }
+
     root_.UpdateMatrix();
+    icon_node_.UpdateMatrix();
 }
 
 void game::view::MarkerView::Draw(const DrawArgs& args)
 {
     Super::Draw(args);
 
-    if (!model_)
+    if (base_model_)
-        return;
-
-    const auto& mesh = *model_->GetMesh();
-    for (const auto& surface : mesh.surfaces)
     {
-        gfx::DrawSurfaceCmd cmd;
+        DrawModel(args, *base_model_, root_);
-        cmd.surface = &surface;
-        cmd.matrices = &root_.matrix;
-        cmd.color = &color_;
-        args.dlist.AddSurface(cmd);
     }
     
+    if (model_)
+    {
+        DrawModel(args, *model_, icon_node_);
+    }
 }
 
 bool game::view::MarkerView::Init(net::InMessage& msg)
 {
-    net::PositionQ pos_q;
     uint32_t color;
-
+    net::ModelName model_name;
-    if (!msg.Read(marker_type_) || !net::ReadPositionQ(msg, pos_q) || !net::ReadRGB(msg, color))
+    if (!msg.Read(marker_type_) || !net::ReadPosition(msg, root_.local.position) || !net::ReadRGB(msg, color) || !msg.Read(model_name))
         return false;
     
-    net::DecodePosition(pos_q, root_.local.position);
     root_.UpdateMatrix();
 
     color_ = glm::unpackUnorm4x8(color | 0xFF000000);
 
+    std::string model_name_str = model_name;
+    if (!model_name_str.empty())
+    {
+        model_ = assets::CacheManager::GetModel("data/" + model_name_str + ".mdl");
+    }
+
     if (marker_type_ == MARKER_FOOT || marker_type_ == MARKER_VEHICLE)
     {
-        model_ = assets::CacheManager::GetModel("data/marker_tuning.mdl");
+        base_model_ = assets::CacheManager::GetModel("data/marker_base.mdl");
     }
 
+
+
     return true;
 }
+
+void game::view::MarkerView::DrawModel(const DrawArgs& args, const assets::Model& model, const TransformNode& node)
+{
+    const auto& mesh = *model.GetMesh();
+    for (const auto& surface : mesh.surfaces)
+    {
+        gfx::DrawSurfaceCmd cmd;
+        cmd.surface = &surface;
+        cmd.matrices = &node.matrix;
+        cmd.color = &color_;
+        args.dlist.AddSurface(cmd);
+    }
+}

src/gameview/markerview.hpp

@@ -22,11 +22,15 @@ public:
 private:
     bool Init(net::InMessage& msg);
 
+    void DrawModel(const DrawArgs& args, const assets::Model& model, const TransformNode& node);
+
 private:
     MarkerType marker_type_;
     glm::vec4 color_;
 
+    std::shared_ptr<const assets::Model> base_model_;
     std::shared_ptr<const assets::Model> model_;
+    TransformNode icon_node_;
 
 };
 

src/gameview/particle_emitter.cpp

@@ -0,0 +1,114 @@
+#include "particle_emitter.hpp"
+#include "assets/cache.hpp"
+#include "utils/random.hpp"
+
+game::view::ParticleEmitter::ParticleEmitter(audio::Player* audioplayer) : audioplayer_(audioplayer)
+{
+    quad_model_ = assets::CacheManager::GetModel("data/quad.mdl");
+}
+
+void game::view::ParticleEmitter::Update(float delta_time)
+{
+    for (auto& particle : particles_)
+    {
+        particle.time += delta_time;
+        particle.velocity.z -= delta_time * particle.gravity;
+        particle.position += particle.velocity * delta_time;
+
+        if (particle.time > particle.fade_start)
+        {
+            float opacity = 1.0f - glm::clamp((particle.time - particle.fade_start) / (particle.lifetime - particle.fade_start), 0.0f, 1.0f);
+            particle.color.a = opacity;
+        }
+    }
+
+    // erase expired particles
+    particles_.erase(std::remove_if(particles_.begin(), particles_.end(),
+                                    [this](const Particle& particle) { return particle.lifetime < particle.time; }),
+                     particles_.end());
+}
+
+void game::view::ParticleEmitter::Draw(const DrawArgs& args)
+{
+    for (auto& particle : particles_)
+    {
+        // calc matrixa
+        auto forward = args.eye - particle.position;
+        auto right = glm::normalize(glm::cross(forward, glm::vec3(0.0f, 0.0f, 1.0f))); 
+        auto up = normalize(glm::cross(right, forward));
+
+        particle.matrix = glm::rotate(glm::mat4(
+            glm::vec4(right * particle.size, 0.0f),
+            glm::vec4(forward, 0.0f),
+            glm::vec4(up * particle.size, 0.0f),
+            glm::vec4(particle.position, 1.0f)
+        ), particle.rotation, glm::vec3(0.0f, 1.0f, 0.0f));
+
+        gfx::DrawSurfaceCmd cmd{};
+        cmd.surface = &particle.surface;
+        cmd.matrices = &particle.matrix;
+        cmd.color = &particle.color;
+        cmd.dist = glm::dot(forward, forward);
+        args.dlist.AddSurface(cmd);
+    }
+
+
+}
+
+void game::view::ParticleEmitter::Emit(const std::shared_ptr<const assets::Effect>& fx, const glm::vec3& pos,
+                                       const glm::vec3& dir)
+{
+    // spawn particles
+    for (const auto& def : fx->GetParticleDefs())
+    {
+        auto count = RandomInt(def.count_min, def.count_max);
+
+        if (count <= 0)
+            continue;
+
+        // steal a quad surface from quad model
+        gfx::Surface surface = quad_model_->GetMesh()->surfaces[0];
+        surface.texture = def.texture;
+        surface.sflags = gfx::SF_2SIDED | gfx::SF_OBJECT_COLOR | gfx::SF_OBJECT_COLOR_MULT;
+
+        // setup blending
+        if (def.blend == assets::PTB_BLEND_NORMAL)
+            surface.sflags |= gfx::SF_BLEND;
+        else if (def.blend == assets::PTB_BLEND_ADDITIVE)
+            surface.sflags |= gfx::SF_BLEND | gfx::SF_BLEND_ADDITIVE | gfx::SF_UNLIT;
+
+        for (int i = 0; i < count; ++i)
+        {
+            auto& particle = particles_.emplace_back();
+            particle.surface = surface;
+            particle.time = 0.0f;
+            
+            particle.position = pos;
+            particle.rotation = RandomFloat(0.0f, glm::two_pi<float>());
+            particle.size = RandomFloat(def.size_min, def.size_max);
+
+            float dispersion = RandomFloat(0.0f, def.max_dispersion);
+            float speed = RandomFloat(def.velocity_min, def.velocity_max);
+            particle.velocity = ApplyRandomDispersion(dir, dispersion) * speed;
+
+            particle.gravity = RandomFloat(def.gravity_min, def.gravity_max);
+
+            particle.lifetime = RandomFloat(def.lifetime_min, def.lifetime_max);
+            particle.fade_start = particle.lifetime - RandomFloat(def.fadetime_min, def.fadetime_max);
+
+            particle.color = glm::vec4(1.0f);
+        }
+    }
+
+    // play sounds
+    const auto& sounds = fx->GetSounds();
+    if (audioplayer_ && sounds.size() > 0)
+    {
+        auto sound_idx = rand() % sounds.size();
+
+        auto snd = audioplayer_->PlaySound(sounds[sound_idx], nullptr);
+        snd->SetPosition(pos);
+        snd->SetVolume(RandomFloat(0.9f, 1.1f));
+        // snd->SetPitch(RandomFloat(0.9f, 1.1f));
+    }
+}

src/gameview/particle_emitter.hpp

@@ -0,0 +1,51 @@
+#pragma once
+
+#include "assets/effect.hpp"
+#include "assets/model.hpp"
+#include "draw_args.hpp"
+#include "audio/player.hpp"
+
+namespace game::view
+{
+
+struct Particle
+{
+    std::shared_ptr<const assets::Effect> fx; // to keep resources alive
+
+    gfx::Surface surface;
+
+    // instance specific
+    float time;
+    glm::vec3 position;
+    float rotation;
+    float size;
+    glm::vec3 velocity;
+    float gravity;
+    float lifetime;
+    float fade_start;
+
+    // for drawing
+    glm::mat4 matrix;
+    glm::vec4 color;
+};
+
+class ParticleEmitter
+{
+public:
+    ParticleEmitter(audio::Player* audioplayer);
+
+    void Update(float delta_time);
+    void Draw(const DrawArgs& args);
+
+    void Emit(const std::shared_ptr<const assets::Effect>& fx, const glm::vec3& pos, const glm::vec3& dir);
+
+private:
+    audio::Player* audioplayer_;
+
+    std::shared_ptr<const assets::Model> quad_model_; // to steal quad VAO from
+    
+    std::vector<Particle> particles_;
+
+};
+
+}

src/gameview/vehicleview.cpp

@@ -93,33 +93,8 @@ void game::view::VehicleView::Update(const UpdateInfo& info)
         wheels_[i].node.UpdateMatrix();
     }
 
-    // update snds
+    UpdateSounds();
-    bool accel = flags_ & VF_ACCELERATING;
+    UpdateWindows();
-
-    if (accel && !snd_accel_src_)
-    {
-        snd_accel_src_ = audioplayer_.PlaySound(snd_accel_, &root_.local.position);
-        snd_accel_src_->SetLooping(true);
-    }
-    else if (!accel && snd_accel_src_)
-    {
-        snd_accel_src_->Delete();
-        snd_accel_src_ = nullptr;
-    }
-
-    // update windows
-    if ((flags_ & VF_BROKENWINDOWS) && !windows_broken_)
-    {
-        windows_broken_ = true;
-
-        auto it = mesh_.surface_names.find("carwindows"); 
-        if (it != mesh_.surface_names.end())
-        {
-            size_t idx = it->second;
-            mesh_.surfaces[idx].texture = assets::CacheManager::GetTexture("data/carbrokenwindows.png");
-        }
-    }
-
     UpdateLights(info.delta_time);
 }
 
@@ -403,6 +378,40 @@ void game::view::VehicleView::InitHeadlights()
     }
 }
 
+void game::view::VehicleView::UpdateSounds()
+{
+    if (!world_.IsLoaded())
+        return;
+
+    bool accel = flags_ & VF_ACCELERATING;
+
+    if (accel && !snd_accel_src_)
+    {
+        snd_accel_src_ = audioplayer_.PlaySound(snd_accel_, &root_);
+        snd_accel_src_->SetLooping(true);
+    }
+    else if (!accel && snd_accel_src_)
+    {
+        snd_accel_src_->Delete();
+        snd_accel_src_ = nullptr;
+    }
+}
+
+void game::view::VehicleView::UpdateWindows()
+{
+    if ((flags_ & VF_BROKENWINDOWS) && !windows_broken_)
+    {
+        windows_broken_ = true;
+
+        auto it = mesh_.surface_names.find("carwindows"); 
+        if (it != mesh_.surface_names.end())
+        {
+            size_t idx = it->second;
+            mesh_.surfaces[idx].texture = assets::CacheManager::GetTexture("data/carbrokenwindows.png");
+        }
+    }
+}
+
 void game::view::VehicleView::UpdateLights(float delta_t)
 {
     float max_delta = delta_t * 10.0f;

src/gameview/vehicleview.hpp

@@ -68,6 +68,8 @@ private:
 
     void InitHeadlights();
 
+    void UpdateSounds();
+    void UpdateWindows();
     void UpdateLights(float delta_t);
 
 private:

src/gameview/worldview.cpp

@@ -8,9 +8,10 @@
 #include "markerview.hpp"
 #include "client_session.hpp"
 #include "draw_args.hpp"
+#include "net/utils.hpp"
 
 game::view::WorldView::WorldView(ClientSession& session, net::InMessage& msg) : 
-    session_(session), audiomaster_(session_.GetAudioMaster())
+    session_(session), audiomaster_(session_.GetAudioMaster()), audioplayer_(audiomaster_), emitter_(&audioplayer_)
 {
     net::MapName mapname;
     if (!msg.Read(mapname))
@@ -69,6 +70,12 @@ bool game::view::WorldView::ProcessMsg(net::MessageType type, net::InMessage& ms
     case net::MSG_OBJRESPAWN:
         return ProcessObjDestroyOrRespawnMsg(msg, true);
 
+    case net::MSG_BEAM:
+        return ProcessBeamMsg(msg);
+
+    case net::MSG_FX:
+        return ProcessFxMsg(msg);
+
     default:
         return false;
     }
@@ -87,9 +94,12 @@ void game::view::WorldView::Update(const UpdateInfo& info)
     }
 
     UpdateEnv();
+    UpdateBeams();
+    audioplayer_.Update();
+    emitter_.Update(info.delta_time);
 }
 
-void game::view::WorldView::Draw(const DrawArgs& args) const
+void game::view::WorldView::Draw(const DrawArgs& args)
 {
     if (!map_->IsLoaded())
     {
@@ -106,31 +116,9 @@ void game::view::WorldView::Draw(const DrawArgs& args) const
         if (args.frustum.IsSphereVisible(ent->GetBoundingSphere()))
             ent->Draw(args);
     }
-}
 
-glm::vec3 game::view::WorldView::CameraSweep(const glm::vec3& start, const glm::vec3& end)
+    DrawBeams(args);
-{
+    emitter_.Draw(args);
-    const auto& bt_world = GetBtWorld();
-
-    static const btSphereShape shape(0.1f);
-
-    btVector3 bt_start(start.x, start.y, start.z);
-    btVector3 bt_end(end.x, end.y, end.z);
-
-    btTransform from, to;
-    from.setIdentity();
-    from.setOrigin(bt_start);
-    to.setIdentity();
-    to.setOrigin(bt_end);
-
-    btCollisionWorld::ClosestConvexResultCallback cb(bt_start, bt_end);
-
-    bt_world.convexSweepTest(&shape, from, to, cb);
-
-    if (!cb.hasHit())
-        return end;
-
-    return glm::mix(start, end, cb.m_closestHitFraction);
 }
 
 game::view::EntityView* game::view::WorldView::GetEntity(net::EntNum entnum)
@@ -142,6 +130,11 @@ game::view::EntityView* game::view::WorldView::GetEntity(net::EntNum entnum)
     return nullptr;
 }
 
+bool game::view::WorldView::IsLoaded() const
+{
+    return map_ && map_->IsLoaded();
+}
+
 void game::view::WorldView::DrawLoadingScreen(const DrawArgs& args) const
 {
     float margin = 50.0f;
@@ -333,7 +326,53 @@ bool game::view::WorldView::ProcessObjDestroyOrRespawnMsg(net::InMessage& msg, b
     return true;
 }
 
+bool game::view::WorldView::ProcessBeamMsg(net::InMessage& msg)
+{
+    BeamView beam;
+    if (!net::ReadPosition(msg, beam.start) || !net::ReadPosition(msg, beam.end) || !net::ReadRGB(msg, beam.color) || !msg.Read<net::BeamTimeQ>(beam.expiration))
+    return false;
+    
+    beam.expiration += GetTime();
+    beam.width = 0.02f;
+    
+    beams_.emplace_back(beam);
+
+    return true;
+}
+
+bool game::view::WorldView::ProcessFxMsg(net::InMessage& msg)
+{
+    net::ModelName name;
+    glm::vec3 pos, dir;
+
+    if (!msg.Read(name) || !net::ReadPosition(msg, pos) || !msg.Read<net::DirQ>(dir.x) || !msg.Read<net::DirQ>(dir.y) ||
+        !msg.Read<net::DirQ>(dir.z))
+        return false;
+
+    if (glm::length2(dir) < 0.3f)
+        return true;// weird
+
+    emitter_.Emit(assets::CacheManager::GetEffect("data/" + std::string(name) + ".fx"), pos, glm::normalize(dir));
+    return true;
+
+}
+
 void game::view::WorldView::Cache(std::any val)
 {
     cache_.emplace_back(std::move(val));
 }
+
+void game::view::WorldView::UpdateBeams()
+{
+    beams_.erase(std::remove_if(beams_.begin(), beams_.end(),
+                                [this](const BeamView& beam) { return beam.expiration <= GetTime(); }),
+                 beams_.end());
+}
+
+void game::view::WorldView::DrawBeams(const DrawArgs& args) const
+{
+    for (const auto& beam : beams_)
+    {
+        args.dlist.AddBeam(beam.start, beam.end, beam.color | 0xFF000000, beam.width);
+    }
+}

src/gameview/worldview.hpp

@@ -10,12 +10,22 @@
 #include "entityview.hpp"
 #include "mapinstanceview.hpp"
 #include "worldenv.hpp"
+#include "particle_emitter.hpp"
 
 namespace game::view
 {
 
 class ClientSession;
 
+struct BeamView
+{
+    float expiration;
+    glm::vec3 start;
+    glm::vec3 end;
+    float width;
+    uint32_t color;
+};
+
 class WorldView : public collision::DynamicsWorld
 {
 public:
@@ -24,14 +34,15 @@ public:
     bool ProcessMsg(net::MessageType type, net::InMessage& msg);
 
     void Update(const UpdateInfo& info);
-    void Draw(const DrawArgs& args) const;
+    void Draw(const DrawArgs& args);
-
-    glm::vec3 CameraSweep(const glm::vec3& start, const glm::vec3& end);
 
     EntityView* GetEntity(net::EntNum entnum);
 
     float GetTime() const { return time_; }
     audio::Master& GetAudioMaster() const { return audiomaster_; }
+    ParticleEmitter& GetEmitter() { return emitter_; }
+
+    bool IsLoaded() const;
 
 private:
     void DrawLoadingScreen(const DrawArgs& args) const;
@@ -45,11 +56,15 @@ private:
     bool ProcessEntMsgMsg(net::InMessage& msg);
     bool ProcessUpdateEntsMsg(net::InMessage& msg);
     bool ProcessEntDestroyMsg(net::InMessage& msg);
-
     bool ProcessObjDestroyOrRespawnMsg(net::InMessage& msg, bool enable);
+    bool ProcessBeamMsg(net::InMessage& msg);
+    bool ProcessFxMsg(net::InMessage& msg);
 
     void Cache(std::any val);
 
+    void UpdateBeams();
+    void DrawBeams(const DrawArgs& args) const;
+
 private:
     ClientSession& session_;
     
@@ -64,8 +79,14 @@ private:
     float env_msg_time_ = 0.0f;
 
     audio::Master& audiomaster_;
+    audio::Player audioplayer_; // for non-entity sounds
 
     std::vector<std::any> cache_;
+
+    std::vector<BeamView> beams_;
+
+    ParticleEmitter emitter_;
+
 };
 
 } // namespace game::view

src/gui/context.cpp

@@ -19,9 +19,9 @@ void gui::Context::Begin(const glm::vec2& viewport_size)
     viewport_size_ = viewport_size;
 }
 
-void gui::Context::DrawRect(const glm::vec2& p0, const glm::vec2& p1, uint32_t color)
+void gui::Context::DrawRect(const glm::vec2& p0, const glm::vec2& p1, uint32_t color, const gfx::Texture* texture)
 {
-    BeginTexture(white_tex_.get());
+    BeginTexture(texture ? texture : white_tex_.get());
     PushRect(p0, glm::vec2(0.0f), p1, glm::vec2(1.0f), color);
 }
 

src/gui/context.hpp

@@ -34,7 +34,7 @@ public:
 
     void Begin(const glm::vec2& viewport_size);
 
-    void DrawRect(const glm::vec2& p0, const glm::vec2& p1, uint32_t color);
+    void DrawRect(const glm::vec2& p0, const glm::vec2& p1, uint32_t color, const gfx::Texture* texture = nullptr);
 
     glm::vec2 MeasureText(std::string_view text);
     void DrawText(std::string_view text, const glm::vec2& pos, uint32_t color = 0xFFFFFFFF, float scale = 1.0f);

src/gui/player_hud.cpp

@@ -0,0 +1,265 @@
+#include <format>
+
+#include "player_hud.hpp"
+#include "utils/math.hpp"
+
+#include "assets/cache.hpp"
+
+static uint32_t COLOR_ACTIVE = 0xFF00FFFF;
+static uint32_t COLOR_NORMAL = 0xFFFFFFFF;
+static uint32_t COLOR_DISABLED = 0xFFCCCCCC;
+static uint32_t COLOR_ERROR = 0xFF7777FF;
+
+#define PREFIX_SEPARATOR "^aaa"
+#define PREFIX_CLIPSIZE "^ccc"
+#define PREFIX_AMMO_NORMAL "^fff"
+#define PREFIX_AMMO_FULL "^9f9"
+#define PREFIX_AMMO_EMPTY "^f77"
+
+#define PREFIX_WEAPON_SLOT_INACTIVE "^888"
+#define PREFIX_WEAPON_SLOT_ACTIVE "^fff"
+#define PREFIX_WEAPON_SLOT_CURRENT "^ff0"
+
+gui::PlayerHud::PlayerHud(const float& time) : time_(time)
+{
+    crosshair_texture_ = assets::CacheManager::GetTexture("data/crosshair.png");
+
+    UpdateWeaponSlotsText();
+}
+
+void gui::PlayerHud::SetWeaponSlots(uint8_t slots)
+{
+    weapon_slots_ = slots;
+    UpdateWeaponSlotsText();
+}
+
+void gui::PlayerHud::SetItemInfo(std::string item_name, size_t slot, size_t clip_size)
+{
+    item_name_ = std::move(item_name);
+    clip_size_ = clip_size;
+    current_slot_ = slot;
+    UpdateWeaponSlotsText();
+}
+
+void gui::PlayerHud::SetUseTargetData(std::string text, std::string error_text, float delay)
+{
+    ut_text_ = std::move(text);
+
+    if (error_text.empty())
+        ut_error_text_.clear();
+    else
+        ut_error_text_ = "(" + error_text + ")";
+
+    ut_start_time_ = time_;
+    ut_end_time_ = delay > 0.01f ? ut_start_time_ + delay : ut_start_time_;
+}
+
+void gui::PlayerHud::ShowDamageReceived()
+{
+    damage_received_factor_ = glm::min(damage_received_factor_ + 0.2f, 0.5f);
+}
+
+void gui::PlayerHud::ShowDamageDealt(bool kill)
+{
+    (kill ? damage_dealt_kill_factor_ : damage_dealt_factor_) = 1.0f;
+}
+
+void gui::PlayerHud::Update(float delta_time)
+{
+    MoveToward(damage_received_factor_, 0.0f, 1.0f * delta_time);
+    MoveToward(damage_dealt_factor_, 0.0f, 5.0f * delta_time);
+    MoveToward(damage_dealt_kill_factor_, 0.0f, 2.0f * delta_time);
+}
+
+void gui::PlayerHud::Draw(Context& ctx) const
+{
+    DrawPain(ctx);
+    DrawCrosshair(ctx);
+    DrawHealthBar(ctx);
+    DrawItemInfo(ctx);
+    DrawUseTarget(ctx);
+    DrawDeathScreen(ctx);
+}
+
+void gui::PlayerHud::UpdateWeaponSlotsText()
+{
+    weapon_slots_text_.clear();
+
+    for (size_t slot = 0; slot < 10; ++slot)
+    {
+        weapon_slots_text_.push_back(' ');
+        
+        std::string_view prefix = PREFIX_WEAPON_SLOT_INACTIVE;
+        
+        if (weapon_slots_ & (1 << slot))
+            prefix = PREFIX_WEAPON_SLOT_ACTIVE;
+        
+        if (current_slot_ == slot + 1)
+            prefix = PREFIX_WEAPON_SLOT_CURRENT;
+
+        weapon_slots_text_ += prefix;
+        weapon_slots_text_ += std::to_string((slot + 1) % 10);
+    }
+}
+
+void gui::PlayerHud::DrawPain(Context& ctx) const
+{
+    if (damage_received_factor_ <= 0.01f)
+        return;
+
+    glm::vec4 color(1.0f, 0.3f, 0.3f, damage_received_factor_);
+    ctx.DrawRect(glm::vec2(0.0f), ctx.GetViewportSize(), glm::packUnorm4x8(color));
+}
+
+void gui::PlayerHud::DrawCrosshair(Context& ctx) const
+{
+    if (!display_crosshair_)
+        return;
+
+    glm::vec3 color(1.0f);
+    if (damage_dealt_factor_ > 0.01f)
+    {
+        color = glm::mix(color, glm::vec3(0.3f), damage_dealt_factor_);
+    }
+
+    if (damage_dealt_kill_factor_ > 0.01f)
+    {
+        color = glm::mix(color, glm::vec3(1.0f, 0.1f, 0.1f), damage_dealt_kill_factor_);
+    }
+
+    const float crosshair_size = 32.0f;
+
+    auto& viewport_size = ctx.GetViewportSize();
+
+    auto p0 = viewport_size * 0.5f - crosshair_size * 0.5f;
+    auto p1 = p0 + crosshair_size;
+
+    ctx.DrawRect(p0, p1, glm::packUnorm4x8(glm::vec4(color, 1.0f)), crosshair_texture_.get());
+}
+
+void gui::PlayerHud::DrawHealthBar(Context& ctx) const
+{
+    const float margin = 30.0f;
+    const glm::vec2 size(100.0f, 20.0f);
+
+    glm::vec2 p0(margin, ctx.GetViewportSize().y - margin - size.y);
+    glm::vec2 p1 = p0 + size;
+    ctx.DrawRect(p0, p1, 0x99000000); // bg
+    
+    glm::vec2 p1_bar = p0 + glm::vec2(size.x * health_ * 0.01f, size.y);
+    ctx.DrawRect(p0, p1_bar, 0xDD00BB00); // bar
+}
+
+static std::string_view GetAmmoColor(size_t loaded, size_t clip_size)
+{
+    if (loaded == 0)
+        return PREFIX_AMMO_EMPTY;
+
+    if (loaded == clip_size)
+        return PREFIX_AMMO_FULL;
+
+    return PREFIX_AMMO_NORMAL;
+}
+
+void gui::PlayerHud::DrawItemInfo(Context& ctx) const
+{
+    const float margin = 30.0f;
+    const float line_height = 30.0f;
+
+    glm::vec2 cursor(ctx.GetViewportSize() - margin);
+
+    ctx.DrawTextAligned(weapon_slots_text_, cursor, glm::vec2(-1.0f, -1.0f), COLOR_NORMAL);
+    cursor.y -= line_height * 1.5f;
+
+    if (!item_name_.empty())
+    {
+        std::string ammo_text =
+            std::format("{}{}" PREFIX_SEPARATOR "/" PREFIX_CLIPSIZE "{}" PREFIX_SEPARATOR " | {}{}",
+                        GetAmmoColor(loaded_ammo_, clip_size_), loaded_ammo_, clip_size_, GetAmmoColor(total_ammo_, 0), total_ammo_);
+
+        ctx.DrawTextAligned(ammo_text, cursor, glm::vec2(-1.0f, -1.0f), COLOR_NORMAL);
+        cursor.y -= line_height;
+        ctx.DrawTextAligned(item_name_, cursor, glm::vec2(-1.0f, -1.0f), COLOR_ACTIVE);
+        cursor.y -= line_height;
+    }
+}
+
+void gui::PlayerHud::DrawUseTarget(Context& ctx) const
+{
+        if (ut_text_.empty())
+        return;
+
+    bool active = ut_start_time_ != ut_end_time_;
+    uint32_t text_color = (!ut_error_text_.empty()) ? COLOR_DISABLED : (active ? COLOR_ACTIVE : COLOR_NORMAL);
+
+    const float spacing = 10.0f;
+    glm::vec2 key_size(30.0f);
+    glm::vec2 text_size = ctx.MeasureText(ut_text_);
+    float total_width = key_size.x + spacing + text_size.x;
+    
+    glm::vec2 error_size(0.0f);
+    if (!ut_error_text_.empty())
+    {
+        error_size = ctx.MeasureText(ut_error_text_);
+        total_width += spacing + error_size.x;
+    }
+
+    glm::vec2 progress_size(60.0f, 10.0f);
+    if (active)
+    {
+        total_width += spacing + progress_size.x;
+    }
+
+    auto& viewport_size = ctx.GetViewportSize();
+    float center_x = viewport_size.x * 0.5f;
+    float center_y = viewport_size.y - 50.0f;
+    float x = center_x - total_width * 0.5f;
+
+    // draw key bg
+    glm::vec2 bg_p0(x, center_y - key_size.y * 0.5f);
+    glm::vec2 bg_p1 = bg_p0 + key_size;
+    ctx.DrawRect(bg_p0, bg_p1, 0x77000000);
+    
+    // draw key text
+    static constexpr std::string_view key_text = "E";
+    ctx.DrawTextAligned(key_text, bg_p0 + key_size * 0.5f, glm::vec2(-0.5f, -0.5f), text_color);
+    
+    x += key_size.x + spacing;
+
+    // draw text
+    glm::vec2 text_p(x, center_y - text_size.y * 0.5f);
+    ctx.DrawText(ut_text_, text_p, text_color);
+    
+    x += text_size.x + spacing;
+    
+    // draw error text
+    if (!ut_error_text_.empty())
+    {
+        glm::vec2 error_text_p(x, center_y - error_size.y * 0.5f);
+        ctx.DrawText(ut_error_text_, error_text_p, COLOR_ERROR);
+    
+        x += error_size.x + spacing;
+    }
+
+    // draw progress bar
+    if (active)
+    {
+        float t = (time_ - ut_start_time_) / (ut_end_time_ - ut_start_time_); 
+        t = glm::clamp(t, 0.0f, 1.0f);
+
+        glm::vec2 progress_p0(x, center_y - progress_size.y * 0.5f);
+        glm::vec2 progress_p1 = progress_p0 + progress_size;
+        glm::vec2 progress_p1_bar = progress_p0 + glm::vec2(t * progress_size.x, progress_size.y);
+        
+        ctx.DrawRect(progress_p0, progress_p1, 0x77000000);
+        ctx.DrawRect(progress_p0, progress_p1_bar, COLOR_ACTIVE);
+    }
+}
+
+void gui::PlayerHud::DrawDeathScreen(Context& ctx) const
+{
+    if (!dead_)
+        return;
+
+    ctx.DrawTextAligned("si chcíp", ctx.GetViewportSize() * 0.5f, glm::vec2(-0.5f), 0xFFFFFFFF, 3.0f);
+}

src/gui/player_hud.hpp

@@ -0,0 +1,80 @@
+#pragma once
+
+#include <string>
+
+#include "context.hpp"
+
+namespace gui
+{
+
+class PlayerHud
+{
+public:
+    PlayerHud(const float& time);
+
+    void SetHealth(float health) { health_ = health; }
+    void SetWeaponSlots(uint8_t slots);
+    void SetItemInfo(std::string item_name, size_t slot, size_t clip_size);
+    void SetLoadedAmmo(size_t loaded_ammo) { loaded_ammo_ = loaded_ammo; }
+    void SetTotalAmmo(size_t total_ammo) { total_ammo_ = total_ammo; }
+
+    void SetUseTargetData(std::string text, std::string error_text, float delay);
+
+    void SetDisplayCrosshair(bool show) { display_crosshair_ = show; }
+    void ShowDamageReceived();
+    void ShowDamageDealt(bool kill);
+
+    void SetDead(bool dead) { dead_ = dead; }
+
+    void Update(float delta_time);
+    void Draw(Context& ctx) const;
+
+private:
+    void UpdateWeaponSlotsText();
+
+    void DrawPain(Context& ctx) const;
+    void DrawCrosshair(Context& ctx) const;
+    void DrawHealthBar(Context& ctx) const;
+    void DrawItemInfo(Context& ctx) const;
+    void DrawUseTarget(Context& ctx) const;
+    void DrawDeathScreen(Context& ctx) const;
+
+private:
+    const float& time_; 
+    
+    // resources
+    std::shared_ptr<const gfx::Texture> crosshair_texture_;
+
+    // general
+    float health_ = 0.0f;
+
+    // weapon slots
+    uint8_t weapon_slots_ = 0;
+    size_t current_slot_ = 0;
+    std::string weapon_slots_text_;
+
+    // held item
+    std::string item_name_;
+    size_t clip_size_ = 0;
+    size_t loaded_ammo_ = 0;
+    size_t total_ammo_ = 0;
+
+    // use target
+    std::string ut_text_;
+    std::string ut_error_text_;
+    float ut_start_time_ = 0.0f;
+    float ut_end_time_ = 0.0f;
+
+    // crosshair & events
+    bool display_crosshair_ = false;
+    float damage_received_factor_ = 0.0f;
+    float damage_dealt_factor_ = 0.0f;
+    float damage_dealt_kill_factor_ = 0.0f;
+    
+    // death
+    bool dead_ = false;
+
+};
+
+
+}

src/gui/use_target_hud.cpp

@@ -1,88 +0,0 @@
-#include "use_target_hud.hpp"
-
-gui::UseTargetHud::UseTargetHud(const float& time) : time_(time) {}
-
-void gui::UseTargetHud::SetData(std::string text, std::string error_text, float delay)
-{
-    text_ = std::move(text);
-
-    if (error_text.empty())
-        error_text_.clear();
-    else
-        error_text_ = "(" + error_text + ")";
-
-    start_time_ = time_;
-    end_time_ = delay > 0.01f ? start_time_ + delay : start_time_;
-}
-
-void gui::UseTargetHud::Draw(Context& ctx) const
-{
-    if (text_.empty())
-        return;
-
-    bool active = start_time_ != end_time_;
-    uint32_t text_color = (!error_text_.empty()) ? 0xFFCCCCCC : (active ? 0xFF00FFFF : 0xFFFFFFFF);
-
-    const float spacing = 10.0f;
-    glm::vec2 key_size(30.0f);
-    glm::vec2 text_size = ctx.MeasureText(text_);
-    float total_width = key_size.x + spacing + text_size.x;
-    
-    glm::vec2 error_size(0.0f);
-    if (!error_text_.empty())
-    {
-        error_size = ctx.MeasureText(error_text_);
-        total_width += spacing + error_size.x;
-    }
-
-    glm::vec2 progress_size(60.0f, 10.0f);
-    if (active)
-    {
-        total_width += spacing + progress_size.x;
-    }
-
-    auto& viewport_size = ctx.GetViewportSize();
-    float center_x = viewport_size.x * 0.5f;
-    float center_y = viewport_size.y - 50.0f;
-    float x = center_x - total_width * 0.5f;
-
-    // draw key bg
-    glm::vec2 bg_p0(x, center_y - key_size.y * 0.5f);
-    glm::vec2 bg_p1 = bg_p0 + key_size;
-    ctx.DrawRect(bg_p0, bg_p1, 0x77000000);
-    
-    // draw key text
-    static constexpr std::string_view key_text = "E";
-    ctx.DrawTextAligned(key_text, bg_p0 + key_size * 0.5f, glm::vec2(-0.5f, -0.5f), text_color);
-    
-    x += key_size.x + spacing;
-
-    // draw text
-    glm::vec2 text_p(x, center_y - text_size.y * 0.5f);
-    ctx.DrawText(text_, text_p, text_color);
-    
-    x += text_size.x + spacing;
-    
-    // draw error text
-    if (!error_text_.empty())
-    {
-        glm::vec2 error_text_p(x, center_y - error_size.y * 0.5f);
-        ctx.DrawText(error_text_, error_text_p, 0xFF7777FF);
-    
-        x += error_size.x + spacing;
-    }
-
-    // draw progress bar
-    if (active)
-    {
-        float t = (time_ - start_time_) / (end_time_ - start_time_); 
-        t = glm::clamp(t, 0.0f, 1.0f);
-
-        glm::vec2 progress_p0(x, center_y - progress_size.y * 0.5f);
-        glm::vec2 progress_p1 = progress_p0 + progress_size;
-        glm::vec2 progress_p1_bar = progress_p0 + glm::vec2(t * progress_size.x, progress_size.y);
-        
-        ctx.DrawRect(progress_p0, progress_p1, 0x77000000);
-        ctx.DrawRect(progress_p0, progress_p1_bar, 0xFF00FFFF);
-    }
-}

src/gui/use_target_hud.hpp

@@ -1,28 +0,0 @@
-#pragma once
-
-#include <string>
-
-#include "context.hpp"
-
-namespace gui
-{
-
-class UseTargetHud
-{
-public:
-    UseTargetHud(const float& time);
- 
-    void SetData(std::string text, std::string error_text, float delay);
-
-    void Draw(Context& ctx) const;
-    
-private:    
-    const float& time_; 
-    std::string text_;
-    std::string error_text_;
-    float start_time_ = 0.0f;
-    float end_time_ = 0.0f;
-};
-
-
-}

src/net/defs.hpp

@@ -46,6 +46,12 @@ enum MessageType : uint8_t
     // REMOTEMENU <MenuId> <MenuMessageType> ...
     MSG_REMOTEMENU,
 
+    // HUD ...
+    MSG_HUD,
+
+    // DAMAGE ...
+    MSG_DAMAGE,
+
     /*~~~~~~~~ Entity ~~~~~~~~*/
     // ENTSPAWN <EntNum> <EntType> data...
     MSG_ENTSPAWN,
@@ -62,6 +68,12 @@ enum MessageType : uint8_t
     // OBJRESPAWN <ObjNum>
     MSG_OBJRESPAWN,
     
+    /*~~~~~~~~ Effects ~~~~~~~~*/
+    // BEAM <Position start> <Position end> <Color> <BeamTime>
+    MSG_BEAM,
+
+    // FX <ModelName effect> <Position> <Dir x> <Dir y> <Dir z>
+    MSG_FX,
 
     /*~~~~~~~~~~~~~~~~*/
     MSG_COUNT,
@@ -108,6 +120,8 @@ enum EntMsgType : uint8_t
     EMSG_PLAYSOUND,
     EMSG_DEFORM,
     EMSG_TUNING,
+    EMSG_EQUIP,
+    EMSG_FIRE,
 };
 
 using PositionElemQ = Quantized<uint32_t, -10000, 10000, 1>;
@@ -137,7 +151,10 @@ using SoundVolumeQ = Quantized<uint8_t, 0, 2>;
 using SoundPitchQ = Quantized<uint8_t, 0, 2>;
 
 using AnimBlendQ = Quantized<uint8_t, 0, 1>;
-using AnimTimeQ = Quantized<uint8_t, 0, 1>;
+using AnimPhaseQ = Quantized<uint8_t, 0, 1>;
+using AnimTimeQ = Quantized<uint16_t, 0, 255>;
+
+using AnimAimAngleQ = Quantized<uint16_t, -PI_N, PI_N, PI_D>;
 
 using NumClothes = uint8_t;
 using ClothesName = FixedStr<32>;
@@ -191,4 +208,8 @@ enum MenuActionType
 
 using MenuSelectDir = uint8_t; // 0=left, 1=right
 
+using BeamTimeQ = Quantized<uint8_t, 0, 10>;
+
+using DirQ = Quantized<uint8_t, -1, 1>;
+
 } // namespace net

src/net/msg_producer.cpp

@@ -20,3 +20,40 @@ void net::MsgProducer::DiscardMsg()
 {
     message_buf_.resize(msg_start_);
 }
+
+net::OutMessage net::LocalMsgProducer::BeginLocalMsg(const glm::vec3& position, float radius, MessageType type)
+{
+    LocalMsgInfo& local_msg = local_msgs_.emplace_back();
+    local_msg.start = local_msg_buf_.size();
+    local_msg.position = position;
+    local_msg.radius = radius;
+
+    OutMessage msg(local_msg_buf_);
+    if (type != net::MSG_NONE)
+        msg.Write(type);
+    return msg;
+}
+
+void net::LocalMsgProducer::PickLocalMsgs(MsgProducer& target, const glm::vec3& target_pos)
+{
+    for (size_t i = 0; i < local_msgs_.size(); ++i)
+    {
+        const auto& local_msg = local_msgs_[i];
+
+        auto d = local_msg.position - target_pos;
+        if (glm::dot(d, d) > (local_msg.radius * local_msg.radius))
+            continue;
+
+        auto start = local_msgs_[i].start;
+        auto end = (i + 1) < local_msgs_.size() ? local_msgs_[i + 1].start : local_msg_buf_.size();
+
+        auto msg = target.BeginMsg();
+        msg.Write(std::span<char>(&local_msg_buf_[start], end - start));
+    }
+}
+
+void net::LocalMsgProducer::ResetLocalMsgs()
+{
+    local_msgs_.clear();
+    local_msg_buf_.clear();
+}

src/net/msg_producer.hpp

@@ -5,6 +5,8 @@
 #include "defs.hpp"
 #include "outmessage.hpp"
 
+#include <glm/glm.hpp>
+
 namespace net
 {
 
@@ -23,4 +25,26 @@ private:
     size_t msg_start_ = 0;
 };
 
+struct LocalMsgInfo
+{
+    size_t start;
+    glm::vec3 position;
+    float radius;
+};
+
+class LocalMsgProducer
+{
+public:
+    LocalMsgProducer() = default;
+
+    OutMessage BeginLocalMsg(const glm::vec3& position, float radius, MessageType type = MSG_NONE);
+    void PickLocalMsgs(MsgProducer& target, const glm::vec3& target_pos);
+    void ResetLocalMsgs();
+
+private:
+    std::vector<LocalMsgInfo> local_msgs_;
+    std::vector<char> local_msg_buf_;
+
+};
+
 }

src/net/utils.hpp

@@ -10,12 +10,12 @@ namespace net
 
 /// TRANSFORMS
 
-// inline void WritePosition(OutMessage& msg, const glm::vec3& pos)
+inline void WritePosition(OutMessage& msg, const glm::vec3& pos)
-// {
+{
-//     msg.Write<PositionQ>(pos.x);
+    msg.Write<PositionElemQ>(pos.x);
-//     msg.Write<PositionQ>(pos.y);
+    msg.Write<PositionElemQ>(pos.y);
-//     msg.Write<PositionQ>(pos.z);
+    msg.Write<PositionElemQ>(pos.z);
-// }
+}
 
 inline void EncodePosition(const glm::vec3& pos, PositionQ& out)
 {
@@ -66,10 +66,10 @@ inline void WriteRotationQ(OutMessage& msg, const QuatQ& rotq)
 //     WriteRotation(msg, trans.rotation);
 // }
 
-// inline bool ReadPosition(InMessage& msg, glm::vec3& pos)
+inline bool ReadPosition(InMessage& msg, glm::vec3& pos)
-// {
+{
-//     return msg.Read<PositionQ>(pos.x) && msg.Read<PositionQ>(pos.y) && msg.Read<PositionQ>(pos.z);
+    return msg.Read<PositionElemQ>(pos.x) && msg.Read<PositionElemQ>(pos.y) && msg.Read<PositionElemQ>(pos.z);
-// }
+}
 
 inline bool ReadPositionQ(InMessage& msg, PositionQ& posq)
 {
@@ -147,14 +147,14 @@ inline bool ReadRGB(InMessage& msg, uint32_t& color)
 
 // DELTA
 template <std::unsigned_integral T> requires (sizeof(T) == 1)
-inline void WriteDelta(OutMessage& msg, T previous, T current)
+inline void WriteDelta(OutMessage& msg, T current, T previous)
 {
     // 1 byte => just write current
     msg.Write(current);
 }
 
 template <std::unsigned_integral T> requires (sizeof(T) > 1)
-inline void WriteDelta(OutMessage& msg, T previous, T current)
+inline void WriteDelta(OutMessage& msg, T current, T previous)
 {
     static_assert(sizeof(T) <= 4);
 
@@ -169,18 +169,18 @@ inline void WriteDelta(OutMessage& msg, T previous, T current)
 template <AnyQuantized T>
 inline void WriteDelta(OutMessage& msg, T current, T previous)
 {
-    WriteDelta(msg, previous.value, current.value);
+    WriteDelta(msg, current.value, previous.value);
 }
 
 template <std::unsigned_integral T> requires (sizeof(T) == 1)
-inline bool ReadDelta(InMessage& msg, T previous, T& current)
+inline bool ReadDelta(InMessage& msg, T& current, T previous)
 {
     // 1 byte => just read current
     return msg.Read(current);
 }
 
 template <std::unsigned_integral T> requires (sizeof(T) > 1)
-inline bool ReadDelta(InMessage& msg, T previous, T& current)
+inline bool ReadDelta(InMessage& msg, T& current, T previous)
 {
     static_assert(sizeof(T) <= 4);
 

src/utils/random.hpp

@@ -6,3 +6,29 @@ inline float RandomFloat(float min, float max)
 {
     return min + (max - min) * static_cast<float>(rand() % 100) * 0.01f;
 }
+
+inline int RandomInt(int min, int max)
+{
+    return min + rand() % (max - min + 1);
+}
+
+inline glm::vec3 ApplyRandomDispersion(const glm::vec3& dir, float dispersion)
+{
+    float rand_rotation = RandomFloat(0.0f, glm::radians(360.0f));
+    float rand_dispersion = RandomFloat(0.0f, 0.01f) * dispersion; // dispersion in m/100m
+
+    auto right = glm::normalize(glm::cross(dir, glm::vec3(0.0f, 0.0f, 1.0f)));
+    auto up = glm::normalize(glm::cross(right, dir));
+
+    return dir + (right * glm::sin(rand_rotation) + up * glm::cos(rand_rotation)) * rand_dispersion;
+}
+
+inline bool Chance(float probability)
+{
+    return RandomFloat(0.0f, 1.0f) < probability;
+}
+
+inline bool ChanceAvgTime(float avg_time)
+{
+    return Chance((1.0f / 25.0f) / avg_time);
+}