From e1f9212d3cca5e78b2bcc54ee177feab06c002be Mon Sep 17 00:00:00 2001
From: tovjemam <zbyvaj@seznam.cz>
Date: Sat, 14 Mar 2026 19:15:28 +0100
Subject: [PATCH] "Sprinting"

---
 src/client/main.cpp           |  1 +
 src/game/character.cpp        | 14 +++++++++++++-
 src/game/character.hpp        |  1 +
 src/game/player_character.cpp |  5 +++++
 src/game/player_input.hpp     |  1 +
 5 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/client/main.cpp b/src/client/main.cpp
index d6ffbaf..e8ac182 100644
--- a/src/client/main.cpp
+++ b/src/client/main.cpp
@@ -145,6 +145,7 @@ static const std::map<SDL_Scancode, game::PlayerInputType> s_inputmap = {
     { SDL_SCANCODE_A, game::IN_LEFT },
     { SDL_SCANCODE_D, game::IN_RIGHT },
     { SDL_SCANCODE_SPACE, game::IN_JUMP },
+    { SDL_SCANCODE_LSHIFT, game::IN_SPRINT },
     { SDL_SCANCODE_LCTRL, game::IN_CROUCH },
     { SDL_SCANCODE_E, game::IN_USE },
     { SDL_SCANCODE_F3, game::IN_DEBUG1 },
diff --git a/src/game/character.cpp b/src/game/character.cpp
index 8a5833c..cab38ef 100644
--- a/src/game/character.cpp
+++ b/src/game/character.cpp
@@ -155,7 +155,9 @@ void game::Character::SyncTransformFromController()
 void game::Character::UpdateMovement()
 {
     constexpr float dt = 1.0f / 25.0f;
+    constexpr float running_mult = 3.0f;
     bool walking = false;
+    bool running = false;
     glm::vec2 movedir(0.0f);
 
     if (in_ & (1 << CIN_FORWARD))
@@ -175,11 +177,19 @@ void game::Character::UpdateMovement()
     if (movedir.x != 0.0f || movedir.y != 0.0f)
     {
         walking = true;
+        
+        if (in_ & (1 << CIN_SPRINT))
+            running = true;
+
         float target_yaw = forward_yaw_ + std::atan2(movedir.y, movedir.x);
-        Turn(yaw_, target_yaw, 4.0f * dt);
+        Turn(yaw_, target_yaw, 8.0f * dt);
 
         glm::vec3 forward_dir(glm::cos(yaw_), glm::sin(yaw_), 0.0f);
         walkdir = forward_dir * walk_speed_ * dt;
+
+        if (running)
+            walkdir *= running_mult;
+
     }
 
     if (controller_)
@@ -197,6 +207,8 @@ void game::Character::UpdateMovement()
     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));
+    if (running)
+        anim_speed *= running_mult;
     animstate_.loco_phase = glm::mod(animstate_.loco_phase + anim_speed * dt, 1.0f);
 }
 
diff --git a/src/game/character.hpp b/src/game/character.hpp
index 4544809..660d535 100644
--- a/src/game/character.hpp
+++ b/src/game/character.hpp
@@ -19,6 +19,7 @@ enum CharacterInputType
     CIN_LEFT,
     CIN_RIGHT,
     CIN_JUMP,
+    CIN_SPRINT,
 };
 
 struct CapsuleShape
diff --git a/src/game/player_character.cpp b/src/game/player_character.cpp
index c12a355..e9a5e47 100644
--- a/src/game/player_character.cpp
+++ b/src/game/player_character.cpp
@@ -92,6 +92,11 @@ void game::PlayerCharacter::UpdateInputs()
     {
         c_in |= 1 << CIN_JUMP;
     }
+    
+    if (in & (1 << IN_SPRINT))
+    {
+        c_in |= 1 << CIN_SPRINT;
+    }
 
     if (vehicle_)
     {
diff --git a/src/game/player_input.hpp b/src/game/player_input.hpp
index a7b65a2..0380d75 100644
--- a/src/game/player_input.hpp
+++ b/src/game/player_input.hpp
@@ -14,6 +14,7 @@ namespace game
 		IN_RIGHT,
 		IN_JUMP,
 		IN_CROUCH,
+		IN_SPRINT,
 		IN_USE,
 		IN_ATTACK,
 		IN_DEBUG1,