Split up games into separate files

Marlin/src/lcd/menu/game/game.h

@@ -0,0 +1,78 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../../inc/MarlinConfigPre.h"
+#include "../../dogm/ultralcd_DOGM.h"
+#include "../../lcdprint.h"
+#include "../../ultralcd.h"
+
+//#define MUTE_GAMES
+
+#ifdef MUTE_GAMES
+  #define _BUZZ(D,F) NOOP
+#else
+  #define _BUZZ(D,F) BUZZ(D,F)
+#endif
+
+// Simple 8:8 fixed-point
+typedef int16_t fixed_t;
+#define FTOP(F) fixed_t((F)*256.0f)
+#define PTOF(P) (float(P)*(1.0f/256.0f))
+#define BTOF(X) (fixed_t(X)<<8)
+#define FTOB(X) int8_t(fixed_t(X)>>8)
+
+#define SCREEN_M ((LCD_PIXEL_WIDTH) / 2)
+
+#if HAS_GAME_MENU
+  void menu_game();
+#endif
+
+class MarlinGame {
+protected:
+  static int score;
+  static uint8_t game_state;
+  static millis_t next_frame;
+
+  static bool game_frame();
+  static void draw_game_over();
+public:
+  MarlinGame() {}
+  static void init_game(const uint8_t init_state, const screenFunc_t screen);
+};
+
+#if ENABLED(MARLIN_BRICKOUT)
+  class BrickoutGame : MarlinGame { public: static void enter_game(); static void game_screen(); };
+  extern BrickoutGame brickout;
+#endif
+#if ENABLED(MARLIN_INVADERS)
+  class InvadersGame : MarlinGame { public: static void enter_game(); static void game_screen(); };
+  extern InvadersGame invaders;
+#endif
+#if ENABLED(MARLIN_SNAKE)
+  class SnakeGame : MarlinGame { public: static void enter_game(); static void game_screen(); };
+  extern SnakeGame snake;
+#endif
+#if ENABLED(MARLIN_MAZE)
+  class MazeGame : MarlinGame { public: static void enter_game(); static void game_screen(); };
+  extern MazeGame maze;
+#endif