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

#define N 20 
#define M 16 
int cur_x,cur_y;
int score,mark,next,map[N][M],Gamespeed=400;
int shape[28][6]=
{
	{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 Init(int id);
void PrintPrompting();//显示提示信息 
void YourScore(); 
void GotoxyWithFullwidth(short x, short y);//全角 
void Gameover();
void ShowMap(int id); 


void GotoxyWithFullwidth(short x, short y)//【全角定位】 
{
  static COORD cd;//坐标定义 
  cd.X = (short)(x << 1);//左移 
  cd.Y = y;
  HANDLE A_GConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE); 
  SetConsoleCursorPosition(A_GConsoleOutput, cd);
}
void PrintPrompting()//【显示提示信息 】 
{
  HANDLE A_GConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE);
  SetConsoleTextAttribute(A_GConsoleOutput, 0xF);
  GotoxyWithFullwidth(25, 12);
  printf("□向左移动：  ←");
  GotoxyWithFullwidth(25, 13);
  printf("□向右移动：  →");
  GotoxyWithFullwidth(25, 14);
  printf("□向下移动：  ↓");
  GotoxyWithFullwidth(25, 15);
  printf("□顺时针转：  ↑");
  GotoxyWithFullwidth(25, 16);
  printf("□空格让悬停方块倒回");
  GotoxyWithFullwidth(35, 12);
  printf("|嘻嘻，欢迎来到  俄罗斯方块吃柠檬世界  ") ; 
  GotoxyWithFullwidth(35,13);
  printf("|我以被课设逼疯的作者君之名命令你");
  GotoxyWithFullwidth(35, 14);
  printf("|变成世界上最可爱的妹子！！！") ;
  GotoxyWithFullwidth(35, 15); 
  printf("|（呜呜呜人家才不是凑行数的老嘤比）");
  GotoxyWithFullwidth(35, 16);
  printf("|继续你的游戏叭~~啾咪~~~（喂喂，这一行也太明显了叭！）");
  GotoxyWithFullwidth(36, 30);
  printf("★By: 呜呜呜这是一只躲在角落没有名字的小菜鸡");
}
void Gameover()
{//游戏结束的判断
    CONSOLE_CURSOR_INFO cursorInfo = { 1, FALSE};
	int i,j,flag=0;
	for(j=1;j<M-1;j++)
	{
		if(map[1][j]!=0)
		{
			flag=1;break;
		}
	}
	if(flag==1)
	{
		system("cls");
		GotoxyWithFullwidth(6,9);
		printf("GAME OVER");
		GotoxyWithFullwidth(1,N+1);
		exit(0);
	}
}
void ShowMap(int id)
{
	CONSOLE_CURSOR_INFO cursorInfo = { 1, FALSE};
	int i,j;
	GotoxyWithFullwidth(0,0);
	if(id!=-1)
	{
		for(i=0;i<N;i++)
		{
			for(j=0;j<M;j++)
			{
				if(i==0&&j==0 || i==0&&j==M-1 || j==0&&i==N-1 || j==M-1&&i==N-1)printf(" ");
				else if( i==N-1)printf("==");
				else if(j==0 || j==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==19)printf("   speed :   %d",score/100+1);
			puts("");
		}
	}
	else
	 {
		mark=1;
		for(i=0;i<N;i++)
		{
			for(j=0;j<M;j++)
			{
				if(i==0&&j==0 || i==0&&j==M-1 || j==0&&i==N-1 || j==M-1&&i==N-1)printf(" ");
				else if(i==N+6)printf("==");
				else if(j==0 || j==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);
			puts("");
		}
	}
	/*对于 next 方块的处理，先擦除再画图*/
	for(i=0;i<6;i=i+2)
	{
		GotoxyWithFullwidth(22+2*shape[id][i+1],6+shape[id][i]); printf(" ");
	}
	GotoxyWithFullwidth(22,6); printf("■");
	for(i=0;i<6;i=i+2)
	{
		GotoxyWithFullwidth(22+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
    CONSOLE_CURSOR_INFO cursorInfo = { 1, FALSE};
    int i,j; 
	memset(map,0,sizeof(map));
	for( i=0;i<N;i++){
		for( j=0;j<M;j++)
			if(i==N-1 || j==0 || j==M-1)
				map[i][j]=-1;
	}
	cur_x=0; cur_y=8;
	ShowMap(id);
}
int judge_in(int x,int y,int id)
{//判断是否出界，或者说是否合法
    CONSOLE_CURSOR_INFO cursorInfo = { 1, FALSE};
	if(map[x][y]!=0)
	return 0;
	int i;
	for( i=0;i<6;i=i+2)
	{
		if(map[ x+shape[id][i] ][ y+shape[id][i+1] ]!=0)
		return 0;
	}
	return 1;
}
void YourScore()
{//得分，消行还有图形的向下平移 
    CONSOLE_CURSOR_INFO cursorInfo = { 1, FALSE};
    int i,j,ii,jj;
	for(i=1;i<N-1;i++)
	{
		int flag=0;
		for( j=1;j<M-1;j++)
		{
			if(map[i][j]!=2)
			{ 
			flag=1;break;
			}
		}
		if(flag==0)
		{
			int k=3;
			while(k--)
			{
				GotoxyWithFullwidth(2,i+1);
				for( ii=1;ii<M-1;ii++)
				{
					if(map[i][ii]==2)
					{
						if(k%2==1)
						printf("  ");
					}
				}Sleep(10);
			}
			for( ii=i;ii>1;ii--
			){
				for( jj=1;jj<M-1;jj++)map[ii][jj]=map[ii-1][jj];
			}
			ShowMap(-1);
			score+=10;
			if(score%100==0 && score!=0)
			Gamespeed-=50;
		}
	}
}
int main(void)
{

    CONSOLE_CURSOR_INFO cursorInfo = { 1, FALSE};//把光标匿得死死的！！！ 
    GetStdHandle(STD_OUTPUT_HANDLE);//这是标准输出句柄 
    HANDLE A_GConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE);  //赋值标准输出句柄实例化 
    SetConsoleCursorInfo(A_GConsoleOutput, &cursorInfo);
    SetConsoleTitleA("俄罗斯方块控制台版——By正在拯救银河系的天（并)才（不）少女QAQ");//菜鸡落泪qwq 
    do
	{
	PrintPrompting();//显示提示信息
	YourScore();
	int i,id,set=1;
	srand(time(NULL));
	id=rand()%28; 
	id=(id+28)%28;
	next=rand()%28; next=(next+28)%28;
	Init(id);
	while(1)
	{
Here:	mark=0;
		if(set==0)
		{
			id=next;
			next=rand()%28; next=(next+28)%28;
			cur_x=0;cur_y=6;
			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;
				YourScore();
				set=0;
			}
			if(mark!=1)ShowMap(id);
			goto Here;
		}
		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==32 && judge_in(cur_x,cur_y,id)==1){cur_x=cur_x-1;}//空格键回去
	}
	}
	while (1);
    GotoxyWithFullwidth(0, 0);
    CloseHandle(A_GConsoleOutput);
    return 0;
}