/* 显示提示信息 */
enum DBT_STYLE {
    DBT_STRESS=1,//强调模式，黑背景，淡入淡出字体显示
    DBT_OBO=2,//One by one，一个接着一个输出，无淡入淡出，与DBT_STRESS不兼容，不能用 
    DBT_BKIMG=4,//有背景，淡入淡出，与DBT_STRESS不兼容，不成熟（不能用） 
    DBT_WAIT=8//会停下等待玩家继续，兼容其他样式
};
//参数为：
//消息列表、单句话展示时间、样式，DBT_BKING蒙版透明度 
inline void drawBeginningTexts( vector<string> texts,int wtime=1000,int style=DBT_STRESS)
{
	//兼容检测
	if(style&DBT_STRESS&&(style&DBT_OBO || style&DBT_BKIMG)) return;
	//处理
	setbkcolor( BLACK );
	PIMAGE img = newimage( getwidth(), getheight() );
	ege_enable_aa( 1, img );
	ege_gentexture( 1, img );
	if(style&DBT_STRESS) {
		setcolor( WHITE, img );
	}
	if(style&DBT_BKIMG) {
		setcolor(WHITE);
		getimage(img,0,0,getwidth(),getheight());
	}
	for ( string t : texts ) {
		if(style&DBT_STRESS) {
			settarget( img );
			setfont( getwidth( img ) / strlen( t.c_str() ), 0, "微软雅黑", img );
			xyprintf( getwidth( img ) / 2 - textwidth( t.c_str() ) / 2, getheight( img ) / 2 - textheight( t.c_str() ) / 2, t.c_str() );
			settarget( NULL );
			for ( int i = 0; i < 255; i += 10 ) {
				ege_setalpha( i, img );
				ege_puttexture( img, 0, 0, getwidth(), getheight() );
				delay_fps( 60 );
				cleardevice();
				if ( ::GetAsyncKeyState( 'Z' ) ) {
					return;
				}
			}
			if(style&DBT_WAIT) {
				while(!::GetAsyncKeyState( 'Z' ));
				api_sleep(100);
			} else {
				api_sleep( wtime );
			}
			for ( int i = 255; i > 0; i -= 10 ) {
				ege_setalpha( i, img );
				ege_puttexture( img, 0, 0, getwidth(), getheight() );
				delay_fps( 60 );
				cleardevice();
				if ( ::GetAsyncKeyState( 'Z' ) ) {
					return;
				}
			}
			cleardevice( img );
		}
		if(style&DBT_BKIMG) {
			setfont( getwidth() / strlen(t.c_str()), 0, "微软雅黑");
			for ( int i = 255; i > 0; i -= 10 ) {
				ege_setalpha( 255, img );
				ege_puttexture( img, 0, 0, getwidth(), getheight() );
				xyprintf( getwidth() / 2 - textwidth( t.c_str() ) / 2, getheight() / 2 - textheight( t.c_str() ) / 2, t.c_str() );
				ege_setalpha( i, img );
				ege_puttexture( img, 0, 0, getwidth(), getheight() );
				delay_fps( 60 );
				cleardevice();
				if ( ::GetAsyncKeyState( 'Z' ) ) {
					return;
				}
			}
			if(style&DBT_WAIT) {
				while(!::GetAsyncKeyState( 'Z' ));
				api_sleep(100);
			} else {
				api_sleep( wtime );
			}
			for ( int i = 0; i < 255; i += 10 ) {
				ege_setalpha( 255, img );
				ege_puttexture( img, 0, 0, getwidth(), getheight() );
				xyprintf( getwidth() / 2 - textwidth( t.c_str() ) / 2, getheight() / 2 - textheight( t.c_str() ) / 2, t.c_str() );
				ege_setalpha( i, img );
				ege_puttexture( img, 0, 0, getwidth(), getheight() );
				delay_fps( 60 );
				cleardevice();
				if ( ::GetAsyncKeyState( 'Z' ) ) {
					return;
				}
			}
		}
	}
}

//消息系统
class InfoLS
{
	public:
		string text;
		int life;
		color_t color;

		InfoLS() {
			text="";
			life=120;
			color=hsl2rgb( random( 360 ), 1, 0.5 );
		}
};
vector<InfoLS> infoList;//消息列表
inline InfoLS buildIFLS(string text)
{
	InfoLS ils;
	ils.text=text;
	return ils;
}//迅速生成基本的InfoLS
inline void addInfo(string text)
{
	infoList.push_back(buildIFLS(text));
	return;
}//迅速插入新消息
inline void showTarget()
{
	char tc[100];
	string info;
	addInfo("本关目标");
	if(s_target.len!=0) {
		itoa(s_target.len,tc,10);
		info="飞行";
		info+=tc;
		info+="km";
		addInfo(info);
	}
	if(s_target.falls!=0) {
		itoa(s_target.falls,tc,10);
		info="击落敌机";
		info+=tc;
		info+="架";
		addInfo(info);
	}
}
inline void runInfoList()
{
	vector<InfoLS> sil;
	for( InfoLS& ils : infoList) {
		ils.life--;
		if(ils.life>0) {
			sil.push_back(ils);
		}
	}
	infoList=sil;
	sil.clear();
	return;
}
inline void drawInfoList(int fontsize=getwidth()/24)
{
	setfont(fontsize,0,"微软雅黑");
	if(infoList.size()+1>getheight()/fontsize/4*3) infoList.erase(infoList.begin());
	int id=0;
	for(InfoLS ils:infoList) {
		setcolor(ils.color);
		outtextxy(getwidth()/4*3,getheight()/4+id*fontsize,ils.text.c_str());
		id++;
	}
	return;
}