C/C++百行代码实现消消乐游戏的方法

#include <SFML/Graphics.hpp> #include <SFML/Audio.hpp> #include <time.h> using namespace sf; #define GAME_ROWS_COUNT 8 #define GAME_COLS_COUNT 8 int ts = 57; // 每一个游戏小方块区域的大小 bool isMoving = false; bool isSwap = false; // 相邻位置的第几次单击，第2次单击才交换方块 int click = 0; Vector2i pos; //鼠标单击时的位置 Vector2i offset(15, 273); int posX1, posY1; //第一次单击的位置(记录行和列的序号） int posX2, posY2; //第二次单击的位置(记录行和列的序号） struct Block {	int x, y; //坐标值 x == col * ts y == row * ts;	int row, col; //第几行，第几列	int kind; //表示第几种小方块	bool match; //表示是否成三	int alpha; //透明度	Block() {	match = false;	alpha = 255;	kind = -1;	} } grid[GAME_ROWS_COUNT + 2][GAME_ROWS_COUNT + 2]; void swap(Block p1, Block p2) {	std::swap(p1.col, p2.col);	std::swap(p1.row, p2.row);	grid[p1.row][p1.col] = p1;	grid[p2.row][p2.col] = p2; } void doEvent(RenderWindow* window) {	Event e;	while (window->pollEvent(e)) {	if (e.type == Event::Closed) {	window->close();	}	if (e.type == Event::MouseButtonPressed) {	if (e.key.code == Mouse::Left) {	if (!isSwap && !isMoving) click++;	pos = Mouse::getPosition(*window) - offset;	}	}	}	if (click == 1) {	posX1 = pos.x / ts + 1;	posY1 = pos.y / ts + 1;	}	else if (click == 2) {	posX2 = pos.x / ts + 1;	posY2 = pos.y / ts + 1;	// 是相邻方块就交换位置	if (abs(posX2 - posX1) + abs(posY2 - posY1) == 1) {	// 交换相邻的两个小方块	// 消消乐的方块，怎么表示？	swap(grid[posY1][posX1], grid[posY2][posX2]);	isSwap = 1;	click = 0;	}	else {	click = 1;	}	} } void check() {	for (int i = 1; i <= GAME_ROWS_COUNT; i++) {	for (int j = 1; j <= GAME_COLS_COUNT; j++) {	if (grid[i][j].kind == grid[i + 1][j].kind &&	grid[i][j].kind == grid[i - 1][j].kind) {	//grid[i - 1][j].match++;	//grid[i][j].match++;	//grid[i + 1][j].match++;	for (int k = -1; k <= 1; k++) grid[i + k][j].match++;	}	if (grid[i][j].kind == grid[i][j - 1].kind &&	grid[i][j].kind == grid[i][j + 1].kind) {	//grid[i][j - 1].match++;	//grid[i][j + 1].match++;	//grid[i][j].match++;	for (int k = -1; k <= 1; k++) grid[i][j + k].match++;	}	}	} } void doMoving() {	isMoving = false;	for (int i = 1; i <= GAME_ROWS_COUNT; i++) {	for (int j = 1; j <= GAME_COLS_COUNT; j++) {	Block& p = grid[i][j]; // 引用p, 就是grid[i][j]的别名	int dx, dy;	for (int k = 0; k < 4; k++) {	dx = p.x - p.col * ts;	dy = p.y - p.row * ts;	if (dx) p.x -= dx / abs(dx);	if (dy) p.y -= dy / abs(dy);	}	if (dx || dy) isMoving = true;	}	} } void xiaochu() {	for (int i = 1; i <= GAME_ROWS_COUNT; i++) {	for (int j = 1; j <= GAME_COLS_COUNT; j++) {	if (grid[i][j].match && grid[i][j].alpha > 10) {	grid[i][j].alpha -= 10;	isMoving = true;	}	}	} } void huanYuan() {	if (isSwap && !isMoving) {	// 如果此时没有产生匹配效果，就要还原	int score = 0;	for (int i = 1; i <= GAME_ROWS_COUNT; i++) {	for (int j = 1; j <= GAME_COLS_COUNT; j++) {	score += grid[i][j].match;	}	}	if (score == 0) {	swap(grid[posY1][posX1], grid[posY2][posX2]);	}	isSwap = false;	} } void updateGrid() {	for (int i = GAME_ROWS_COUNT; i > 0; i--) {	for (int j = 1; j <= GAME_COLS_COUNT; j++) {	if (grid[i][j].match) {	for (int k = i - 1; k > 0; k--) {	if (grid[k][j].match == 0) {	swap(grid[k][j], grid[i][j]);	break;	}	}	}	}	}	for (int j = 1; j <= GAME_COLS_COUNT; j++) {	int n = 0;	for (int i = GAME_ROWS_COUNT; i > 0; i--) {	if (grid[i][j].match) {	grid[i][j].kind = rand() % 7;	grid[i][j].y = -ts * n;	n++;	grid[i][j].match = false;	grid[i][j].alpha = 255;	}	}	} } void drawBlocks(Sprite* sprite, RenderWindow* window) {	for (int i = 1; i <= GAME_ROWS_COUNT; i++) {	for (int j = 1; j <= GAME_COLS_COUNT; j++) {	Block p = grid[i][j];	sprite->setTextureRect(	IntRect(p.kind * 52, 0, 52, 52));	// 设置透明度	sprite->setColor(Color(255, 255, 255, p.alpha));	sprite->setPosition(p.x, p.y);	// 因为数组gird中的Block, 每个Block的行标，列标是从1计算的，	// 并根据行标和列表来计算的x,y坐标	// 所以坐标的偏移，需要少便宜一些，也就是相当于在正方形区域的左上角的左上角方向偏移一个单位	// 在这个位置开发存放第0行第0列（实际不绘制第0行第0列）	sprite->move(offset.x - ts, offset.y - ts); // to do	window->draw(*sprite);	}	} } void initGrid() {	for (int i = 1; i <= GAME_ROWS_COUNT; i++) {	for (int j = 1; j <= GAME_COLS_COUNT; j++) {	grid[i][j].kind = rand() % 3;	grid[i][j].col = j;	grid[i][j].row = i;	grid[i][j].x = j * ts;	grid[i][j].y = i * ts;	}	} } int main(void) {	srand(time(0));	RenderWindow window(VideoMode(485, 917), "canxin-xiaoxiaole");	// 设置刷新的最大帧率	window.setFramerateLimit(60);	Texture t1, t2;	t1.loadFromFile("images/bg2.png");	if (!t2.loadFromFile("images/1.png")) {	return -1;	}	Sprite spriteBg(t1);	Sprite spriteBlock(t2);	initGrid();	while (window.isOpen()) {	// 处理用户的点击事件	doEvent(&window);	// 检查匹配情况	check();	// 移动处理	doMoving();	// 消除	if (!isMoving) {	xiaochu();	}	// 还原处理	huanYuan();	if (!isMoving) {	updateGrid();	}	// 渲染游戏画面	window.draw(spriteBg);	// 渲染所有的小方块	drawBlocks(&spriteBlock, &window);	// 显示	window.display();	}	return 0; }