Initial release: SDL Windows Tetris

src/states/LoadingState.h

@@ -0,0 +1,20 @@
+// LoadingState.h
+#pragma once
+#include "State.h"
+
+class LoadingState : public State {
+public:
+    LoadingState(StateContext& ctx);
+    void onEnter() override;
+    void onExit() override;
+    void handleEvent(const SDL_Event& e) override;
+    void update(double frameMs) override;
+    void render(SDL_Renderer* renderer, float logicalScale, SDL_Rect logicalVP) override;
+
+private:
+    double loadingProgress = 0.0;
+    Uint64 loadStart = 0;
+    bool musicLoaded = false;
+    int currentTrackLoading = 0;
+    int totalTracks = 0;
+};