refactored to multiple games implementation

games/tic_tac_toe.h

@@ -0,0 +1,78 @@
+// ============================================================================
+// TIC-TAC-TOE GAME HEADER
+// ============================================================================
+// Concrete implementation of the Game interface for Tic-Tac-Toe
+
+#ifndef TIC_TAC_TOE_H
+#define TIC_TAC_TOE_H
+
+#include "game.h"
+
+/**
+ * @brief Tic-Tac-Toe game implementation
+ * 
+ * Classic two-player Tic-Tac-Toe game with:
+ * - Touch input: Tap cells to place pieces
+ * - Button input: KEY0 moves selection, KEY1 places piece
+ * - Win detection: Rows, columns, and diagonals
+ * - Statistics tracking: Wins, ties, total moves
+ * - Visual feedback: Selection highlight, turn indicator
+ */
+class TicTacToeGame : public Game {
+public:
+    /**
+     * @brief Construct a new Tic-Tac-Toe game
+     * @param width Display width in pixels
+     * @param height Display height in pixels
+     * @param renderer Pointer to low-level rendering interface
+     * @param gui Pointer to GUI drawing primitives
+     */
+    TicTacToeGame(uint16_t width, uint16_t height, LowLevelRenderer* renderer, LowLevelGUI* gui);
+    
+    /**
+     * @brief Initialize game state (reset board, keep statistics)
+     */
+    void init() override;
+    
+    /**
+     * @brief Update game state based on input event
+     * @param event Input event from InputManager
+     * @return true if screen redraw is needed
+     */
+    bool update(const InputEvent& event) override;
+    
+    /**
+     * @brief Draw the game to the display buffer
+     */
+    void draw() override;
+
+private:
+    // Game state
+    struct GameState {
+        uint8_t board[3][3];     // 0=empty, 1=X, 2=O
+        uint8_t current_player;  // 1=X, 2=O
+        uint8_t winner;          // 0=none, 1=X wins, 2=O wins, 3=tie
+        uint8_t selected_row;    // Currently selected cell (for button navigation)
+        uint8_t selected_col;
+        bool game_over;
+        
+        // Game statistics
+        uint32_t x_wins;
+        uint32_t o_wins;
+        uint32_t ties;
+        uint32_t total_moves;
+    } state;
+    
+    /**
+     * @brief Check if there's a winner on the board
+     * @return 0=no winner, 1=X wins, 2=O wins, 3=tie
+     */
+    uint8_t check_winner();
+    
+    // Board layout constants
+    static const int BOARD_SIZE = 200;
+    static const int CELL_SIZE = BOARD_SIZE / 3;
+    static const int BOARD_Y = 80;  // Y position below title
+};
+
+#endif // TIC_TAC_TOE_H