Refactored step 1: Core Architecture Setup

CMakeLists.txt

@@ -31,6 +31,9 @@ add_executable(tetris
     src/gameplay/Game.cpp
     src/core/GravityManager.cpp
     src/core/StateManager.cpp
+    # New core architecture classes
+    src/core/ApplicationManager.cpp
+    src/graphics/RenderManager.cpp
     src/persistence/Scores.cpp
     src/graphics/Starfield.cpp
     src/graphics/Starfield3D.cpp
@@ -108,4 +111,55 @@ target_include_directories(tetris PRIVATE
     ${CMAKE_SOURCE_DIR}/src/gameplay
     ${CMAKE_SOURCE_DIR}/src/graphics
     ${CMAKE_SOURCE_DIR}/src/persistence
+    ${CMAKE_SOURCE_DIR}/src/core
+    ${CMAKE_SOURCE_DIR}/src/states
+)
+
+# Experimental refactored version (for testing new architecture)
+add_executable(tetris_refactored
+    src/main_new.cpp
+    src/gameplay/Game.cpp
+    src/core/GravityManager.cpp
+    src/core/StateManager.cpp
+    # New core architecture classes
+    src/core/ApplicationManager.cpp
+    src/graphics/RenderManager.cpp
+    src/persistence/Scores.cpp
+    src/graphics/Starfield.cpp
+    src/graphics/Starfield3D.cpp
+    src/graphics/Font.cpp
+    src/audio/Audio.cpp
+    src/gameplay/LineEffect.cpp
+    src/audio/SoundEffect.cpp
+    # State implementations (temporarily excluded - depend on main.cpp functions)
+    # src/states/LoadingState.cpp
+    # src/states/MenuState.cpp
+    # src/states/LevelSelectorState.cpp
+    # src/states/PlayingState.cpp
+)
+
+if (WIN32)
+    # Embed the application icon into the refactored executable too
+    target_sources(tetris_refactored PRIVATE src/app_icon.rc)
+    add_dependencies(tetris_refactored copy_favicon)
+    add_custom_command(TARGET tetris_refactored POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different ${FAVICON_SRC} $<TARGET_FILE_DIR:tetris_refactored>/favicon.ico
+        COMMENT "Copy favicon.ico next to refactored executable"
+    )
+endif()
+
+target_link_libraries(tetris_refactored PRIVATE SDL3::SDL3 SDL3_ttf::SDL3_ttf)
+
+if (WIN32)
+    target_link_libraries(tetris_refactored PRIVATE mfplat mfreadwrite mfuuid)
+endif()
+
+target_include_directories(tetris_refactored PRIVATE
+    ${CMAKE_SOURCE_DIR}/src
+    ${CMAKE_SOURCE_DIR}/src/audio
+    ${CMAKE_SOURCE_DIR}/src/gameplay
+    ${CMAKE_SOURCE_DIR}/src/graphics
+    ${CMAKE_SOURCE_DIR}/src/persistence
+    ${CMAKE_SOURCE_DIR}/src/core
+    ${CMAKE_SOURCE_DIR}/src/states
 )