# 我的 C语言版 俄罗斯方块

```#include<stdio.h>
#include<stdlib.h>
#include<windows.h>
#include<time.h>
#include<conio.h>

#define MOD 28
#define SIZE_N 19
#define SIZE_M 12

int cur_x,cur_y;
int score,mark,next,map[SIZE_N][SIZE_M],Gamespeed=300;

int shape[28][6]={//这是个比较偷懒的方法，就是7种方块，加上旋转总共28种
{0,-1,0,-2,1,0}, {0,1,1,0,2,0}, {-1,0,0,1,0,2}, {0,-1,-1,0,-2,0},
{0,-1,0,1,-1,0}, {0,1,1,0,-1,0}, {1,0,0,-1,0,1}, {1,0,-1,0,0,-1},
{-1,1,0,1,1,0}, {0,-1,1,0,1,1}, {-1,0,0,-1,1,-1}, {-1,-1,-1,0,0,1},
{-1,0,0,1,1,1}, {0,1,1,-1,1,0}, {-1,0,0,1,1,1}, {0,1,1,-1,1,0},
{-1,0,0,-1,0,-2}, {-1,0,-2,0,0,1}, {0,1,0,2,1,0}, {0,-1,1,0,2,0},
{0,1,1,0,1,1}, {0,-1,1,0,1,-1}, {-1,0,0,-1,-1,-1}, {-1,0,-1,1,0,1},
{0,1,0,2,0,3}, {1,0,2,0,3,0}, {0,-1,0,-2,0,-3}, {-1,0,-2,0,-3,0}
};

void gotoxy(int x,int y){//gotoxy在TC中是在system.h库文件里的一个函
COORD c;
c.X=x-1; c.Y=y-1;
SetConsoleCursorPosition (GetStdHandle(STD_OUTPUT_HANDLE), c);
}
void Gameover(){//游戏结束的判断
int i,j,flag=0;
for(j=1;j<SIZE_M-1;j++){
if(map[1][j]!=0){
flag=1;break;
}
}
if(flag==1){
for(i=1;i<SIZE_N-1;i++){
gotoxy(2,i+1);
for(j=1;j<SIZE_M-1;j++){
printf("□");
}puts("");
}
gotoxy(7,9);
printf("GAME OVER!");
gotoxy(1,SIZE_N+1);
exit(0);
}
}
void ShowMap(int id){
int i,j;
gotoxy(1,1);
if(id!=-1){
for(i=0;i<SIZE_N;i++){
for(j=0;j<SIZE_M;j++){
if(i==0&&j==0 || i==0&&j==SIZE_M-1 || j==0&&i==SIZE_N-1 || j==SIZE_M-1&&i==SIZE_N-1)printf(" ");
else if(i==0 || i==SIZE_N-1)printf("--");
else if(j==0 || j==SIZE_M-1)printf("|");
else if(map[i][j]==2) printf("■");
else if(i==cur_x+shape[id][0] && j==cur_y+shape[id][1] ||
i==cur_x+shape[id][2] && j==cur_y+shape[id][3] ||
i==cur_x+shape[id][4] && j==cur_y+shape[id][5] ||
i==cur_x && j==cur_y)
printf("■");
else if(map[i][j]==0) printf("  ");
}
if(i==1)printf("   next:");
if(i==11)printf("   score :   %d",score);
if(i==14)printf("   speed :   %d",score/100+1);
puts("");
}
}
else {
mark=1;
for(i=0;i<SIZE_N;i++){
for(j=0;j<SIZE_M;j++){
if(i==0&&j==0 || i==0&&j==SIZE_M-1 || j==0&&i==SIZE_N-1 || j==SIZE_M-1&&i==SIZE_N-1)printf(" ");
else if(i==0 || i==SIZE_N-1)printf("--");
else if(j==0 || j==SIZE_M-1)printf("|");
else if(map[i][j]==2) printf("■");
else if(map[i][j]==0) printf("  ");
}
if(i==1)printf("   next:");
if(i==11)printf("   score :   %d",score);
if(i==14)printf("   speed :   %d",score/100+1);
puts("");
}
}
/*对于 next 方块的处理，先擦除再画图*/
gotoxy(30,6); printf("  ");
for(i=0;i<6;i=i+2){
gotoxy(30+2*shape[id][i+1],6+shape[id][i]); printf("  ");
}
gotoxy(30,6); printf("■");
for(i=0;i<6;i=i+2){
gotoxy(30+2*shape[next][i+1],6+shape[next][i]); printf("■");
}
Sleep(Gamespeed);
}

void init(int id){//初始化函数，cur_x，cur_y是全局变量，标记了移动方块的位置
memset(map,0,sizeof(map));
for(int i=0;i<SIZE_N;i++){
for(int j=0;j<SIZE_M;j++)
if(i==SIZE_N-1 || j==0 || j==SIZE_M-1)
map[i][j]=-1;
}
cur_x=0; cur_y=5;
ShowMap(id);
}

int judge_in(int x,int y,int id){//判断是否出界，或者说是否合法
if(map[x][y]!=0)return 0;
for(int i=0;i<6;i=i+2){
if(map[ x+shape[id][i] ][ y+shape[id][i+1] ]!=0)return 0;
}return 1;
}

void fun_score(){//得分，擦除行的闪烁，还有图形的向下平移
for(int i=1;i<SIZE_N-1;i++){
int flag=0;
for(int j=1;j<SIZE_M-1;j++){
if(map[i][j]!=2){ flag=1;break; }
}
if(flag==0){
int k=3;
while(k--){
gotoxy(2,i+1);
for(int ii=1;ii<SIZE_M-1;ii++){
if(map[i][ii]==2){
if(k%2==1)printf("  ");
else printf("■");
}
}Sleep(100);
}
for(int ii=i;ii>1;ii--){
for(int jj=1;jj<SIZE_M-1;jj++)map[ii][jj]=map[ii-1][jj];
}
ShowMap(-1);
score+=10;
if(score%100==0 && score!=0)Gamespeed-=50;
}
}
}

int main(){
int i,id,set=1;

srand(time(NULL));
id=rand()%MOD; id=(id+MOD)%MOD;
next=rand()%MOD; next=(next+MOD)%MOD;

init(id);

while(1){
Here:   mark=0;
if(set==0){
id=next;
next=rand()%MOD; next=(next+MOD)%MOD;
cur_x=0;cur_y=5;
set=1;
}

while(!kbhit()){
Gameover();
if(judge_in(cur_x+1,cur_y,id)==1) cur_x++;
else {
map[cur_x][cur_y]=2;
for(i=0;i<6;i=i+2)
map[ cur_x+shape[id][i] ][ cur_y+shape[id][i+1] ]=2;
fun_score();
set=0;
}
if(mark!=1)ShowMap(id);
goto Here;
}//end of while(!kbhit())

char key;
key=getch();

if(key==72){
int tmp=id;
id++;
if( id%4==0 && id!=0 )id=id-4;
if(judge_in(cur_x,cur_y,id)!=1)id=tmp;
}
else if(key==80 && judge_in(cur_x+1,cur_y,id)==1)cur_x++;
else if(key==75 && judge_in(cur_x,cur_y-1,id)==1)cur_y--;
else if(key==77 && judge_in(cur_x,cur_y+1,id)==1)cur_y++;
else if(key==27){gotoxy(1,SIZE_N+1);exit(0);}
}
return 0;
}
//该片段来自于http://outofmemory.cn
```

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