fixed timer functions

src/main.cpp

@@ -33,6 +33,7 @@
 #include "audio/MenuWrappers.h"
 #include "utils/ImagePathResolver.h"
 #include "graphics/renderers/GameRenderer.h"
+#include "core/Config.h"
 
 // Debug logging removed: no-op in this build (previously LOG_DEBUG)
 
@@ -629,6 +630,9 @@ int main(int, char **)
     }
         
     Game game(startLevelSelection);
+    // Apply global gravity speed multiplier from config
+    game.setGravityGlobalMultiplier(Config::Gameplay::GRAVITY_SPEED_MULTIPLIER);
+    game.reset(startLevelSelection);
     
     // Initialize sound effects system
     SoundEffectManager::instance().init();
@@ -713,7 +717,7 @@ int main(int, char **)
     const double DAS = 170.0, ARR = 40.0;
     SDL_Rect logicalVP{0, 0, LOGICAL_W, LOGICAL_H};
     float logicalScale = 1.f;
-    Uint64 lastMs = SDL_GetTicks();
+    Uint64 lastMs = SDL_GetPerformanceCounter();
     bool musicStarted = false;
     bool musicLoaded = false;
     int currentTrackLoading = 0;
@@ -1084,9 +1088,12 @@ int main(int, char **)
         }
 
         // --- Timing ---
-        Uint64 now = SDL_GetTicks();
-        double frameMs = double(now - lastMs);
+        Uint64 now = SDL_GetPerformanceCounter();
+        double frameMs = double(now - lastMs) * 1000.0 / double(SDL_GetPerformanceFrequency());
         lastMs = now;
+        
+        // Cap frame time to avoid spiral of death (max 100ms)
+        if (frameMs > 100.0) frameMs = 100.0;
         const bool *ks = SDL_GetKeyboardState(nullptr);
         bool left = state == AppState::Playing && ks[SDL_SCANCODE_LEFT];
         bool right = state == AppState::Playing && ks[SDL_SCANCODE_RIGHT];
@@ -1132,7 +1139,7 @@ int main(int, char **)
         {
             if (!game.isPaused()) {
                 game.tickGravity(frameMs);
-                game.addElapsed(frameMs);
+                game.updateElapsedTime();
                 
                 // Update line effect and clear lines when animation completes
                 if (lineEffect.isActive()) {