game.h

来自「VIGASOCO (VIdeo GAmes SOurce COde) Windo」· C头文件 代码 · 共 192 行

// Game.h
//
//		Main game class. It stores all game state, characters and game logic.
//		The class is a singleton in order to be available everywhere.
//
/////////////////////////////////////////////////////////////////////////////

#ifndef _PACMAN_GAME_H_
#define _PACMAN_GAME_H_


#include "../Types.h"
#include "PlayerLevelState.h"
#include "Scheduler.h"
#include "../util/Singleton.h"
#include "GameSettings.h"
#include <list>

class GameState;		// defined in GameState.h
class CharacterSubstate;// defined in CharacterSubstate.h
class Ghost;			// defined in Ghost.h
class Pacman;			// defined in Pacman.h"

#define theGame Game::getSingletonPtr()

enum gameStates {
	INIT = 0,
	DEMO = 1,
	COIN_INSERTED = 2,
	PLAYING = 3
};

struct Sprite {
	int x, y;
	int code, color;
	bool flipX, flipY;
	int priority;

	Sprite(int xp, int yp, int sprCode, int sprColor)
	{
		x = xp;
		y = yp;
		code = sprCode;
		color = sprColor;
		flipX = flipY = false;
		priority = 0;
	}

	Sprite(int xp, int yp, int sprCode, int sprColor, bool xFlip, bool yFlip, int pri)
	{
		x = xp;
		y = yp;
		code = sprCode;
		color = sprColor;
		flipX = xFlip;
		flipY = yFlip;
		priority = pri;
	}
};

typedef std::list<Sprite> SpriteList;

class Game : public Singleton<Game>
{
// fields
public:
	// all possible game states
	int state;
	static GameState *states[4];

	UINT8 VRAM[0x400];		// Video RAM
	UINT8 CRAM[0x400];		// Color RAM

	SpriteList sprites;		// sprite list

	GameSettings settings;	// game settings

	// characters
	Pacman *pacman;			// pacman
	Ghost *ghost[4];		// ghosts

	Scheduler scheduler;	// scheduler

	// orientation changes
	int ghostsOrientationChanges[7];
	int indexOrientationChanges;
	int cntOrientationChanges;

	// counters for movement
	int cntGhostsMovHome;
	int cntGhostsAnimations;
	int ghostsAnimationFrame;
	int cntGhostsPanicAnim;
	int cntSuperPillsAnimation;
	int cntShowHide1P2P;

	// difficulty
	bool firstDiffFlag;
	bool secondDiffFlag;
	int pillsFirstDiffFlag;
	int pillsSecondDiffFlag;

	int pinkGhostExitHomeCounterLimit;
	int blueGhostExitHomeCounterLimit;
	int orangeGhostExitHomeCounterLimit;
	int inactivityCounterLimit;
	int inactivityCounter;
	int eatenPillsAfterDead;

	int timeInPanicState;
	int remainingTimeInPanicState;

	// fruit stuff
	int fruitPosition;
	int fruitEntry;
	int fruitSprite;
	int fruitColor;

	int collisionObject;	// collision detection

	// ghosts' dead
	int currentKills;
	int killingGhostState;
	int ghostDeadAnimState;
	CharacterSubstate *ghostDeadSubstates[3];

	int cutsceneState[3];	// cutscenes

	// player level state (0 = active player, 1 = other player)
	PlayerLevelState levelState[2];
	int currentPlayer;
	int numberOfPlayers;

	// score
	int score1P, score2P, highScore;
	bool gotBonusLife1P, gotBonusLife2P;

// methods
protected:
	// collision detection and movement
	void killGhosts();
	void moveAndCheckCollisions();
	void checkTileColision();
	void checkAbsolutePosColision();

	void checkEndOfSuperPillEffect();
	void checkIfPinkGhostGoesOut();
	void checkIfBlueGhostGoesOut();
	void checkIfOrangeGhostGoesOut();

	void drawFruit();

public:
	// main game loop
	void run();

	// collision detection and movement
	void moveAndHandleCollisions();

	// game counters
	void updateDifficultyFlags();
	void checkGhostsExitHomeCounters();
	void checkGhostsExitHomeInactivity();

	// game animation
	void animateGhostDead();
	void updateGhostAnimCounters();
	void updateSuperPillState();
	void moveGhostAtHome();
	void setDeadGhostsColor();
	void setGhostsColors();

	// misc methods
	void updateScore(int action);
	void initSuperPillVars();
	void savePillsConfiguration();
	void checkForOrienationChange();
	void checkDisplayFruit();

	// initialization and cleanup
	Game();
	~Game();
	void resetState();

	// game's initialization methods
	void initGameState();
	void initCharacterState(bool special);
	void resetCharacterPositions();
	void initPlayersLevelData();
};

#endif	// _PACMAN_GAME_H_