Use targets HUD

CMakeLists.txt

@@ -118,6 +118,8 @@ set(CLIENT_ONLY_SOURCES
     "src/gui/font.cpp"
     "src/gui/menu.hpp"
     "src/gui/menu.cpp"
+    "src/gui/use_target_hud.hpp"
+    "src/gui/use_target_hud.cpp"
     "src/utils/files.cpp"
 )
 

src/client/app.cpp

@@ -44,7 +44,7 @@ void App::Frame()
     params.env.clear_color = glm::vec3(0.1f);
 	
 	dlist_.Clear();
-	gui_.Begin();
+	gui_.Begin(viewport_size_);
 
 	// draw session
 	if (session_)

src/client/app.hpp

@@ -40,7 +40,7 @@ public:
     void Input(game::PlayerInputType in, bool pressed, bool repeated);
     void MouseMove(const glm::vec2& delta);
 
-    float GetTime() const { return time_; }
+    const float& GetTime() const { return time_; }
     float GetDeltaTime() const { return delta_time_; }
 
     game::view::ClientSession* GetSession() { return session_.get(); }

src/game/player.cpp

@@ -69,6 +69,14 @@ void game::Player::SendChat(const std::string& text)
     msg.Write(chatm);
 }
 
+void game::Player::SetUseTarget(const std::string& text, const std::string& error_text, float delay)
+{
+    auto msg = BeginMsg(net::MSG_USETARGET);
+    msg.Write(net::UseTargetName(text));
+    msg.Write(net::UseTargetName(error_text));
+    msg.Write<net::UseDelayQ>(delay);
+}
+
 game::Player::~Player()
 {
     game_.PlayerLeft(*this);

src/game/player.hpp

@@ -32,6 +32,7 @@ public:
 
     void SetCamera(net::EntNum entnum);
     void SendChat(const std::string& text);
+    void SetUseTarget(const std::string& text, const std::string& error_text, float delay);
 
     const std::string& GetName() const { return name_; }
 

src/game/player_character.cpp

@@ -164,16 +164,13 @@ void game::PlayerCharacter::SendUseTargetInfo()
 
     if (!use_target_)
     {
-        player_->SendChat("už nejde nic použít");
+        player_->SetUseTarget(std::string(), std::string(), 0.0f);
         return;
     }
 
-    std::string msg = "[E] " + use_target_->desc;
+    std::string error_text;
+    if (use_error_)
+        error_text = use_error_;
 
-    if (using_)
-    {
-        msg += " (zbývá " + std::to_string(use_delay_ - use_progress_) + ")";
-    }
-
-    player_->SendChat(msg);
+    player_->SetUseTarget(use_target_->desc, error_text, using_ ? use_delay_ - use_progress_ : 0.0f);
 }

src/game/player_character.hpp

@@ -26,6 +26,7 @@ public:
 
 private:
     void UpdateInputs();
+    
     void UpdateUseTarget();
     void UseChanged(bool enabled);
     void SendUseTargetInfo();

src/gameview/client_session.cpp

@@ -7,7 +7,7 @@
 #include "vehicleview.hpp"
 #include "utils/version.hpp"
 
-game::view::ClientSession::ClientSession(App& app) : app_(app)
+game::view::ClientSession::ClientSession(App& app) : app_(app), use_target_hud_(app.GetTime())
 {
 	// send login
 	auto msg = BeginMsg(net::MSG_ID);
@@ -46,6 +46,9 @@ bool game::view::ClientSession::ProcessSingleMessage(net::MessageType type, net:
     case net::MSG_CHAT:
         return ProcessChatMsg(msg);
 
+    case net::MSG_USETARGET:
+        return ProcessUseTargetMsg(msg);
+
     default:
         // try pass the msg to world
         if (world_ && world_->ProcessMsg(type, msg))
@@ -97,6 +100,8 @@ void game::view::ClientSession::Draw(gfx::DrawList& dlist, gfx::DrawListParams&
     {
         DrawWorld(dlist, params, gui);
     }
+
+    use_target_hud_.Draw(gui);
 }
 
 void game::view::ClientSession::GetViewInfo(glm::vec3& eye, glm::mat4& view) const
@@ -166,6 +171,18 @@ bool game::view::ClientSession::ProcessChatMsg(net::InMessage& msg)
     return true;
 }
 
+bool game::view::ClientSession::ProcessUseTargetMsg(net::InMessage& msg)
+{
+    net::UseTargetName text, error_text;
+    float delay;
+
+    if (!msg.Read(text) || !msg.Read(error_text) || !msg.Read<net::UseDelayQ>(delay))
+        return false;
+
+    use_target_hud_.SetData(text, error_text, delay);
+    return true;
+}
+
 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,

src/gameview/client_session.hpp

@@ -10,6 +10,7 @@
 #include "net/inmessage.hpp"
 #include "net/msg_producer.hpp"
 #include "game/player_input.hpp"
+#include "gui/use_target_hud.hpp"
 
 class App;
 
@@ -39,6 +40,7 @@ private:
     bool ProcessWorldMsg(net::InMessage& msg);
     bool ProcessCameraMsg(net::InMessage& msg);
     bool ProcessChatMsg(net::InMessage& msg);
+    bool ProcessUseTargetMsg(net::InMessage& msg);
 
     void DrawWorld(gfx::DrawList& dlist, gfx::DrawListParams& params, gui::Context& gui);
     
@@ -56,6 +58,8 @@ private:
     net::ViewYawQ view_yaw_q_;
     net::ViewPitchQ view_pitch_q_;
     float last_send_time_ = 0.0f;
+
+    gui::UseTargetHud use_target_hud_;
 };
 
 } // namespace game::view

src/gui/context.cpp

@@ -10,11 +10,13 @@ gui::Context::Context(gfx::DrawList& dlist, std::shared_ptr<const Font> default_
     white_tex_ = assets::CacheManager::GetTexture("data/white.png");
 }
 
-void gui::Context::Begin()
+void gui::Context::Begin(const glm::vec2& viewport_size)
 {
     vertices_.clear();
     indices_.clear();
     ranges_.clear();
+
+    viewport_size_ = viewport_size;
 }
 
 void gui::Context::DrawRect(const glm::vec2& p0, const glm::vec2& p1, uint32_t color)

src/gui/context.hpp

@@ -32,7 +32,7 @@ class Context
 public:
     Context(gfx::DrawList& dlist, std::shared_ptr<const Font> default_font);
 
-    void Begin();
+    void Begin(const glm::vec2& viewport_size);
 
     void DrawRect(const glm::vec2& p0, const glm::vec2& p1, uint32_t color);
 
@@ -43,6 +43,8 @@ public:
     void Render();
 
     const std::shared_ptr<const Font>& GetFont() const { return font_; }
+
+    const glm::vec2& GetViewportSize() const { return viewport_size_; }
     
 private:
     void BeginTexture(const gfx::Texture* texture);
@@ -61,7 +63,7 @@ private:
     std::vector<uint32_t> indices_;
     std::vector<GuiRange> ranges_;
 
-    
+    glm::vec2 viewport_size_ = glm::vec2(1.0f);
 };
 
 

src/gui/use_target_hud.cpp

@@ -0,0 +1,87 @@
+#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_;
+
+    const float spacing = 20.0f;
+    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));
+    
+    x += key_size.x + spacing;
+
+    // draw text
+    glm::vec2 text_p(x, center_y - text_size.y * 0.5f);
+    ctx.DrawText(text_, text_p);
+    
+    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);
+    
+        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

@@ -0,0 +1,28 @@
+#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

@@ -34,6 +34,9 @@ enum MessageType : uint8_t
     // CAM <EntNum>
     MSG_CAM,
 
+    // USETARGET ...
+    MSG_USETARGET,
+
     /*~~~~~~~~ Entity ~~~~~~~~*/
     // ENTSPAWN <EntNum> <EntType> data...
     MSG_ENTSPAWN,
@@ -132,11 +135,13 @@ using ObjCount = ObjNum;
 using NumTexels = uint16_t;
 
 // version
-
 using Version = uint32_t;
 
 // tuning
-
 using TuningPartIdx = uint8_t;
 
+// use target
+using UseTargetName = FixedStr<128>;
+using UseDelayQ = Quantized<uint8_t, 0, 10>;
+
 } // namespace net

src/utils/version.hpp

@@ -1,3 +1,3 @@
 #pragma once
 
-#define FEKAL_VERSION 2026032101
+#define FEKAL_VERSION 2026032201