some problems fixed

src/graphics/GameRenderer.h

@@ -0,0 +1,40 @@
+#pragma once
+#include <SDL3/SDL.h>
+#include "../gameplay/Game.h"
+
+// Forward declarations
+class FontAtlas;
+class LineEffect;
+
+/**
+ * GameRenderer - Utility class for rendering the Tetris game board and HUD.
+ * 
+ * This class encapsulates all the game-specific rendering logic that was
+ * previously in main.cpp, making it reusable across different contexts.
+ */
+class GameRenderer {
+public:
+    // Render the complete playing state including game board, HUD, and effects
+    static void renderPlayingState(
+        SDL_Renderer* renderer,
+        Game* game,
+        FontAtlas* pixelFont,
+        LineEffect* lineEffect,
+        SDL_Texture* blocksTex,
+        float logicalW,
+        float logicalH,
+        float logicalScale,
+        float winW,
+        float winH,
+        bool showExitConfirmPopup
+    );
+
+private:
+    // Helper functions for drawing game elements
+    static void drawBlockTexture(SDL_Renderer* renderer, SDL_Texture* blocksTex, float x, float y, float size, int blockType);
+    static void drawPiece(SDL_Renderer* renderer, SDL_Texture* blocksTex, const Game::Piece& piece, float ox, float oy, float tileSize, bool isGhost = false);
+    static void drawSmallPiece(SDL_Renderer* renderer, SDL_Texture* blocksTex, PieceType pieceType, float x, float y, float tileSize);
+    
+    // Helper function for drawing rectangles
+    static void drawRect(SDL_Renderer* renderer, float x, float y, float w, float h, SDL_Color c);
+};