#include "Common.h"


void ClearBuffer(int x,int y,int w,int h,int color)
{	
	HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
	COORD rd;
	DWORD n;
	WORD cs[2] = { color, color };
	for(int i=x;i<w+x;i++)
	{
		for(int j=y;j<h+y;j++)
		{
			rd.X = i;rd.Y = j;
			WriteConsoleOutputCharacterA(hOut," ",1,rd,&n);
			WriteConsoleOutputAttribute(hOut, cs, 1, rd, &n );
		}
	}

	DeleteObject(hOut);
}


void SetConsoleInfo()
{
	// 設(shè)置控制臺(tái)的標(biāo)題
	SetConsoleTitleA("俄羅斯方塊");
	// 獲取控制臺(tái)的句柄
	HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
	CONSOLE_CURSOR_INFO cursor = {1,false};
	// 設(shè)置控制臺(tái)光標(biāo)的屬性
	SetConsoleCursorInfo(hOut,&cursor);

	SMALL_RECT rect = {0,0,WIDTH-1,HEIGHT-1};
	// 設(shè)置窗口大小
	SetConsoleWindowInfo(hOut,TRUE,&rect);

	COORD rd = {WIDTH,HEIGHT};
	// 設(shè)置控制臺(tái)緩沖區(qū)大小
	SetConsoleScreenBufferSize(hOut,rd);

	DeleteObject(hOut);
}


//x,y為文本輸出坐標(biāo)，color為文本顏色，str為文本字符串
void DrawText( short x, short y, WORD color,const char* str )//設(shè)置輸出文本函數(shù) 
{
	HANDLE hStd = GetStdHandle(STD_OUTPUT_HANDLE); // 獲得輸出句柄
	DWORD n;
	COORD pos = {x,y};				// 文本輸出坐標(biāo)
	WORD cs[2] = { color, color };	// 顏色

	for( const char* p=str;*p!=0;  )
	{
		if( *p > 0 ) //輸出單字節(jié)字符
		{
			WriteConsoleOutputCharacterA(hStd, p, 1, pos, &n );
			WriteConsoleOutputAttribute(hStd, cs, 1, pos, &n );
			++p,++pos.X;
		}
		else //輸出雙字節(jié)字符
		{
			WriteConsoleOutputCharacterA(hStd, p, 2, pos, &n );
			WriteConsoleOutputAttribute(hStd, cs, 2, pos, &n );
			p+=2,pos.X+=2;
		}
	}
	DeleteObject(hStd);
}

// x y左上的坐標(biāo) 框內(nèi)寬w(單字節(jié)) 框內(nèi)高h(yuǎn)
void DrawFrame(int x,int y,int w,int h,int color)
{
	for(int i=y-1;i<y+h;i++)
	{
		DrawText(x,i,color,"┃");
		DrawText(x+w+2,i,color,"┃");
	}

	for(int i=x+2;i<=x+w;i+=2)
	{
		DrawText(i,y,color,"━");
		DrawText(i,y+h,color,"━");
	}

	DrawText(x,y,color,"┏");
	DrawText(x+w+2,y,color,"┓");
	DrawText(x,y+h,color,"┗");
	DrawText(x+w+2,y+h,color,"┛");

}

void readbufchar(int x,int y,char* c,WORD* cs)//讀取窗口緩沖區(qū)的<x,y>的字符
{
	DWORD l=2;
	COORD pos = {x,y};	
	HANDLE hStd = GetStdHandle(STD_OUTPUT_HANDLE);// 獲得輸出句柄
	ReadConsoleOutputCharacterA(hStd,c,l,pos,&l);
	if(cs)
	{
		ReadConsoleOutputAttribute(hStd,cs,l,pos,&l);
	}
}