优化版俄罗斯方块代码

#include <stdio.h>
#include <graphics.h>
#include <time.h>
#include <conio.h> //kbhit()使用

int score = 0; //总分
int rank = 0; //等级

#define BLOCK_COUNT 5
#define BLOCK_WIDTH 5
#define BLOCK_HEIGHT 5
#define UNIT_SIZE 20

#define START_X 130
#define START_Y 30

#define KEY_UP 72
#define KEY_RIGHT 77
#define KEY_DOWN 80
#define KEY_LEFT 75
#define KEY_SPACE 32

int speed = 500;
int minX = 30;
int minY = 30;

typedef enum {
BLOCK_UP,
BLOCK_RIGHT,
BLOCK_DOWN,
BLOCK_LEFT
} block_dir_t;

typedef enum {
MOVE_DOWN,
MOVE_LEFT,
MOVE_RIGHT
} move_dir_t;

int NextIndex = -1; //下一个方块的种类
int BlockIndex = -1; //当前方块的种类

int color[BLOCK_COUNT] = {
GREEN, CYAN, MAGENTA, BROWN, YELLOW
};

int visit[30][15]; //访问数组
int markColor[30][15]; //表示对应位置的颜色

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int block[BLOCK_COUNT*4][BLOCK_HEIGHT][BLOCK_WIDTH] = {
// | 型方块
{
0, 0, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 1, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 0, 0 },
{
0,0,0,0,0,
0,0,0,0,0,
0,1,1,1,0,
0,0,0,0,0,
0,0,0,0,0 },
{ 0,0,0,0,0,
0,0,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
   0,0,0,0,0,
   0,1,1,1,0,
   0,0,0,0,0,
   0,0,0,0,0 },

// L 形方块
{ 0,0,0,0,0,
0,0,1,0,0,
0,0,1,0,0,
0,0,1,1,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,0,0,0,0,
0,1,1,1,0,
0,1,0,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,1,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,0,0,1,0,
0,1,1,1,0,
0,0,0,0,0,
0,0,0,0,0 },

// 田 形方块
{ 0,0,0,0,0,
0,1,1,0,0,
0,1,1,0,0,
0,0,0,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,1,1,0,0,
0,1,1,0,0,
0,0,0,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,1,1,0,0,
0,1,1,0,0,
0,0,0,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,1,1,0,0,
0,1,1,0,0,
0,0,0,0,0,
0,0,0,0,0 },

// T 形方块
{ 0,0,0,0,0,
0,1,1,1,0,
0,0,1,0,0,
0,0,0,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,0,0,1,0,
0,0,1,1,0,
0,0,0,1,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,0,1,0,0,
0,1,1,1,0,
0,0,0,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,1,0,0,0,
0,1,1,0,0,
0,1,0,0,0,
0,0,0,0,0 },

// Z 形方块
{ 0,0,0,0,0,
0,1,1,0,0,
0,0,1,1,0,
0,0,0,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,0,1,0,0,
0,1,1,0,0,
0,1,0,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,1,1,0,0,
0,0,1,1,0,
0,0,0,0,0,
0,0,0,0,0 },

{ 0,0,0,0,0,
0,0,1,0,0,
0,1,1,0,0,
0,1,0,0,0,
0,0,0,0,0 }

};

// 欢迎界面
void welcome(void) {
// 初始化画布
initgraph(550, 660);

// 设置窗口标题
HWND window = GetHWnd(); //获取窗口
SetWindowText(window, _T("俄罗斯方块  潇洒小聂带你玩方块![在这里插入图片描述](https://img-blog.csdnimg.cn/20200308150319283.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTgyNTg3NQ==,size_16,color_FFFFFF,t_70)")); //设置窗口标题

// 设置文本的字体样式
setfont(40, 0, _T("微软雅黑"));
setcolor(WHITE);
outtextxy(205, 200, _T("俄罗斯方块"));

setfont(22, 0, _T("楷体"));
outtextxy(175, 300, _T("编程, 从俄罗斯方块开始!"));

Sleep(3000); //睡眠(暂停)3000毫秒,3秒针

}

// 初始化游戏场景
void initGameScene(void) {
char str[16];

//清除屏幕
cleardevice();

rectangle(27, 27, 336, 635);
rectangle(29, 29, 334, 633);
rectangle(370, 50, 515, 195);

setfont(24, 0, _T("楷体"));
setcolor(LIGHTGRAY);
outtextxy(405, 215, _T("下一个"));

setcolor(RED);
outtextxy(405, 280, _T("分数"));
sprintf(str, "%d", score); 
outtextxy(415, 310, str);

outtextxy(405, 375, _T("等级"));
sprintf(str, "%d", rank); 
outtextxy(425, 405, str);

// 操作说明  ↑  ↓ ← →
setcolor(LIGHTBLUE);
outtextxy(390, 475, "操作说明");
outtextxy(390, 500, "↑:旋转");
outtextxy(390, 525, "↓: 下降");
outtextxy(390, 550, "←: 左移");
outtextxy(390, 575, "→: 右移");
outtextxy(390, 600, "空格:暂停");

}

void clearBlock(void) {
setcolor(BLACK);
setfont(23, 0, “楷体”);

for (int i=0; i<BLOCK_HEIGHT; i++) {
	for (int j=0; j<BLOCK_WIDTH; j++) {
		//"■"
		int x = 391 + j * UNIT_SIZE;
		int y = 71 + i * UNIT_SIZE;
		outtextxy(x, y, "■");
	}
}

}

// 绘制方块
void drawBlock(int x, int y) {
setcolor(color[NextIndex]);
setfont(23, 0, “楷体”);

for (int i=0; i<BLOCK_HEIGHT; i++) {
	for (int j=0; j<BLOCK_WIDTH; j++) {
		//"■"
		if (block[NextIndex*4][i][j] == 1) {
			int x2 = x + j * UNIT_SIZE;
			int y2 = y + i * UNIT_SIZE;
			outtextxy(x2, y2, "■");
		}
	}
}

}

// 绘制方块: 在指定位置绘制指定方块的指定方向
void drawBlock(int x, int y, int blockIndex, block_dir_t dir) {
setcolor(color[blockIndex]);
setfont(23, 0, “楷体”);
int id = blockIndex * 4 + dir;

for (int i=0; i<BLOCK_HEIGHT; i++) {
	for (int j=0; j<BLOCK_WIDTH; j++) {
		//"■"
		if (block[id][i][j] == 1) {
			int x2 = x + j * UNIT_SIZE;
			int y2 = y + i * UNIT_SIZE;
			outtextxy(x2, y2, "■");
		}
	}
}

}

// 清除指定位置指定方向的方块
// 参数x: 方块的左上角的x坐标
// 参数y: 方块的左上角在游戏区域内的坐标,距离游戏区域顶部的距离
void clearBlock(int x, int y, block_dir_t dir) {
setcolor(BLACK);
int id = BlockIndex * 4 + dir;
y += START_Y;

for (int i=0; i<5; i++) {
	for (int j=0; j<5; j++) {
		if (block[id][i][j] == 1) {
			// 擦除该方块的第i行的第j列
			outtextxy(x+20*j,  y+i*20, "■");
		}
	}
}

}

void nextblock(void) {
clearBlock(); // 清除右上角区域

// 随机选择一种方块
srand(time(NULL)); //使用时间函数的返回值,来作为随机种子
NextIndex =	rand() % BLOCK_COUNT;

drawBlock(391, 71);

}

// 如果在指定位置可以向指定方向移动,就返回1, 否则就返回0
int moveable(int x0, int y0, move_dir_t moveDir, block_dir_t blockDir) {
// 计算当前方块的左上角在30x15的游戏区中的位置(第多少行,第多少列)
int x = (y0 - minY) / UNIT_SIZE;
int y = (x0 - minX) / UNIT_SIZE;
int id = BlockIndex * 4 + blockDir;
int ret = 1;

if (moveDir == MOVE_DOWN) {
	for (int i=0; i<5; i++) {
		for (int j=0; j<5; j++) {
			if (block[id][i][j] == 1 &&
				(x + i + 1 >= 30  ||  visit[x+i+1][y+j] == 1)) {
					 ret = 0;
			}
		}
	}
} else if (moveDir == MOVE_LEFT) {
	for (int i=0; i<5; i++) {
		for (int j=0; j<5; j++) {
			if (block[id][i][j] == 1 &&
				(y + j == 0 ||  visit[x+i][y+j-1]==1)) {
					ret = 0;
			}
		}
	}

} else if (moveDir == MOVE_RIGHT) {
	for (int i=0; i<5; i++) {
		for (int j=0; j<5; j++) {
			if (block[id][i][j] == 1 && 
				(y+j+1>=15 || visit[x+i][y+j+1]==1)) {
					 ret = 0;
			}
		}
	}
}

return ret;

}

// 检测游戏是否结束
void failCheck() {
if (!moveable(START_X, START_Y, MOVE_DOWN, BLOCK_UP)) {
setcolor(WHITE);
setfont(45, 0, “隶体”);
outtextxy(75, 300, “GAME OVER!”);
Sleep(1000);
system(“pause”);
closegraph();
exit(0);
}
}

// 判断当前方块是否可以转向到指定方向
// 注意, 此时还没有转到该方向!!!
int rotatable(int x, int y, block_dir_t dir) {
int id = BlockIndex * 4 + dir;
int xIndex = (y - minY) / 20;
int yIndex = (x - minX) / 20;

if (!moveable(x, y, MOVE_DOWN, dir)) {
	return 0;
}

for (int i=0; i<5; i++) {
	for (int j=0; j<5; j++) {
		 if (block[id][i][j] == 1 &&
			 (yIndex+j<0 || yIndex+j>=15 || visit[xIndex+i][yIndex+j]==1)) {
				 return 0;
		 }
	}
}

return 1;

}

void wait(int interval) {
int count = interval / 10;
for (int i=0; i<count; i++) {
Sleep(10);
if (kbhit()) {
return;
}
}
}

void mark(int x, int y, int blockIndex, block_dir_t dir) {
int id = blockIndex * 4 + dir;
int x2 = (y - minY) / 20;
int y2 = (x - minX) / 20;

for (int i=0; i<5; i++) {
	for (int j=0; j<5; j++) {
		if (block[id][i][j] == 1) {
			visit[x2+i][y2+j] = 1;
			markColor[x2+i][y2+j] = color[blockIndex];
		}
	}
}

}

void move(void){
int x = START_X;
int y = START_Y;
int k = 0;
block_dir_t blockDir = BLOCK_UP;
int curSpeed = speed;

// 检测游戏是否结束
failCheck();

// 持续向下降落
while (1) {
	if (kbhit()) {
		int key = getch();
		if (key == KEY_SPACE) {
			getch();
		}
	}

	// 清除当前方块
	clearBlock(x, k, blockDir);//值得关注why is k

	if (kbhit()) {
		int key = getch();

		if(key == KEY_UP) {
			block_dir_t nextDir = (block_dir_t)((blockDir + 1) % 4);
			if (rotatable(x, y+k, nextDir)) {
				blockDir = nextDir;
			}
		} else if (key == KEY_DOWN) {
			curSpeed = 50;
		} else if (key == KEY_LEFT) {
			if (moveable(x, y+k+20, MOVE_LEFT, blockDir)) {
				x -= 20;
			}
		} else if (key ==KEY_RIGHT) {
			if (moveable(x, y+k+20, MOVE_RIGHT, blockDir)) {
				x += 20;  //x = x + 20;
			}
		}
	}

	k += 20;

	// 绘制当前方块
	drawBlock(x, y+k, BlockIndex, blockDir);

	wait(curSpeed);
	
	//k += 20;

	// 方块的“固化”处理
	if (!moveable(x, y+k, MOVE_DOWN, blockDir)) {
		 mark(x, y+k, BlockIndex, blockDir);
		 break;
	}
}

}

void newblock() {
// 确定即将使用的方块的类别
BlockIndex = NextIndex;

// 绘制刚从顶部下降的方块
drawBlock(START_X, START_Y);

// 让新出现的方块暂停一会,让用户识别到
Sleep(100); //0.1秒

// 在右上角区域,绘制下一个方块
nextblock();

// 方块降落
move();

}

//消除第x行,并把上面的行都下移
void down(int x){
for (int i=x; i>0; i–) {
// 消除第i行,第j列的方格消除
for (int j=0; j<15; j++) {
if (visit[i-1][j]) {
visit[i][j] = 1;
markColor[i][j] = markColor[i-1][j];
setcolor(markColor[i][j]);
outtextxy(20j + minX, 20i+minY, “■”);
} else {
visit[i][j] = 0;
setcolor(BLACK);
outtextxy(20j + minX, 20i+minY, “■”);
}
}
}

// 清除最顶上的哪一行(就是行标为0的那一行)
setcolor(BLACK);
for (int j=0; j<15; j++) {
	visit[0][j] = 0;
	outtextxy(20*j + minX, minY, "■");
}

}

// 更新分数,参数lines表示消除的行数
void addScore(int lines) {
char str[32];

setcolor(RED);
score += lines * 10;
sprintf(str, "%d", score);
outtextxy(415, 310, str);

}

void updateGrade() {
// 更新等级的提示
// 假设:50分一级
rank = score / 50;
char str[16];
sprintf(str, “%d”, rank);
outtextxy(425, 405, str);

// 更新速度, 等级越高,速度越快,speed越小!
// 最慢:500, 最快是100
speed = 500 - rank*100;
if (speed <= 100) {
	speed = 100;
}

}

void check(void) {
int i, j;
int clearLines = 0;

for (i=29; i>=0; i--) {
	// 检查第i行有没有满
	for (j=0; j<15 && visit[i][j]; j++) ;

	//执行到此处时,有两种情况:
	// 1. 第i行没有满,即表示有空位 此时 j<15
	// 2. 第i行已满了,此时 j>=15
	if (j >= 15) {
		// 此时,第i行已经满了,就需要消除第i行
		down(i);  //消除第i行,并把上面的行都下移
		i++;  // 因为最外层的循环中有 i--, 所以我们先i++, 使得下次循环时,再把这一行检查一下
		clearLines++;
	}
}

// 更新分数
addScore(clearLines);

// 更新等级(更新等级提示,更新速度)
updateGrade();

}

int main(void) {
welcome();
initGameScene();

// 产生新方块
nextblock();
Sleep(500);

// 初始化访问数组
memset(visit, 0, sizeof(visit));

while (1) {
	newblock();

	// 消除满行,并更新分数和速度
	check();
}

system("pause");
closegraph();
return 0;

}

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转载自blog.csdn.net/weixin_45825875/article/details/104733074