open source

2020-11-11 16:17:13 +08:00
parent 4d989f3ecb
commit bc4ca748de
2441 changed files with 623057 additions and 2 deletions
@@ -0,0 +1,175 @@
+
+
+
+interface WindowTimers{
+    clearInterval(handle: number): void;
+    clearTimeout(handle: number): void;
+    //为了生成的代码简单，不要后面的可变参数了 ...args: any[]
+    setInterval(handler: any, timeout?: any): number;
+    setTimeout(handler: any, timeout?: any): number;
+}
+
+namespace ns_Timer {
+    //TODO怎么避免new
+    class timerobj{
+        interval:number;
+        tm:number;
+        obj:{};
+        func:any;
+        args:any;
+        num:number;
+		del=false;
+        constructor(curtm:number, interval:number, obj:{}, func:Function, args:any, num:number){
+            this.interval = (interval < 18) ? -1 : interval;//<18则认为全帧
+			if( Math.abs(conch.maxInterval-interval)<1)
+				this.interval=-1;
+            this.tm = curtm + interval;
+            this.obj = obj;
+            this.func = func;
+            this.args = args;
+            this.num = num;
+        }
+    }
+    
+	//TODO 优化
+	var timerqueue = function(){
+		this.AniFrame = [];
+		this.tmq=new Array<timerobj>();
+		this.addTimer=function(tm:number,obj:{},func,args:any,num:number ){
+			//this.curtm = Date.now();
+			var tmobj = new timerobj(Date.now(),tm,obj,func,args,num);
+			this.tmq.push(tmobj);
+			return tmobj;
+		}
+		
+		this.delTimer=function(obj){
+			for(var i=0,sz=this.tmq.length; i<sz; i++){
+				if(this.tmq[i]===obj){
+					//this.tmq.splice(i,1);
+					this.tmq[i].del=true;
+					break;
+				}
+			}
+		}
+		this.update=function(){
+			this.curtm = Date.now();
+			var i=0;
+			var btmq=[];
+			for(var sz=this.tmq.length; i<sz; i++){
+				var ctm:timerobj = this.tmq[i];
+				if(ctm.del)continue;
+				//log('func['+i+']='+ctm.func);
+				var dt = ctm.tm-this.curtm;
+				if(dt<0 || ctm.interval<0 || Math.abs(conch.maxInterval-ctm.interval)<1 ){
+					//run
+					if(typeof(ctm.func)==='function'){
+						ctm.func.apply(null,ctm.obj);
+					}else{
+						eval(ctm.func);
+					}
+					//多次
+					if(ctm.num<0 || --ctm.num>0 ){
+						if(dt<0) dt=0;
+						ctm.tm=dt+this.curtm+ctm.interval;
+						btmq.push(ctm);
+					}
+				}else{
+					btmq.push(ctm);
+				}
+			}
+			this.tmq.splice(0,sz);//因为在运行的时候也可能添加新的定时器。所以不能直接删掉，只能删掉已经运行的
+			this.tmq=this.tmq.concat(btmq);
+			
+			//this.tmq.splice(0,i-1);
+		}
+	}
+
+	var gTimerQueue = new timerqueue();
+    
+    export class _WindowTimersExtension {
+        clearImmediate(handle: number): void {
+
+        }
+        setImmediate(expression: any/*, ...args: any[]*/): number {
+            return 0;
+        }
+    }
+
+    export class _WindowTimers extends _WindowTimersExtension implements WindowTimers {
+        constructor() {
+            super();
+        }
+        clearInterval(handle: number): void { 
+            gTimerQueue.delTimer(handle);
+        }
+        clearTimeout(handle: number): void { 
+            gTimerQueue.delTimer(handle);
+        }
+		static ET:Array<any>=[];
+        setInterval(handler: any, timeout?:any,parm?:any): number {
+			var b=_WindowTimers.ET;
+			if(arguments.length>2)
+			{
+				b= Array.prototype.slice.call(arguments);
+				b.splice(0,2);
+				handler.arg=b;
+			}
+            return gTimerQueue.addTimer(timeout,b,handler,null,-1);
+        }
+        
+        //定时器对象
+        //现在的问题是不能在回调中删除自己，否则会导致非法：
+        //    tm=null; gc();
+        setTimeout(handler: any, timeout?: any,parm?:any): number {
+            if(!timeout) timeout=0;
+			var b=_WindowTimers.ET;
+			if(arguments.length>2)
+			{
+				b= Array.prototype.slice.call(arguments);
+				b.splice(0,2);
+				handler.arg=b;
+			}
+            return gTimerQueue.addTimer(timeout,b,handler,null,1);
+        }
+    }
+    var animfrm=0;
+    export function requestAnimationFrame(callback: FrameRequestCallback): number{
+		var id = animfrm++;
+		gTimerQueue.AniFrame.push({id:id,func:callback});
+		if(!gTimerQueue.AniFrameStTm)
+			gTimerQueue.AniFrameStTm=Date.now();
+		return id;
+    }
+    export function cancelAnimationFrame(handle: number): void{
+        
+    }
+    var framCount=0;
+	var fpsTimeout=0;
+	conch.setOnFrame(function(){
+		if(framCount%30==0)
+		{
+			var cur=Date.now();
+			var space=(cur-fpsTimeout)/30;
+			fpsTimeout=cur;
+			window["conchFps"]&&window["conchFps"].render(Math.round(1000/space));
+		}
+		framCount++;
+		gTimerQueue.update();
+		if(document)
+			document.onframeend();
+	});
+    
+    conch.setOnDraw((vsync)=>{
+        //console.log('draw');
+        var curAnimFrms = gTimerQueue.AniFrame;
+        gTimerQueue.AniFrame=[];
+        curAnimFrms.forEach(function(af){
+            if(af.del)return;
+            af.func(vsync);
+        });        
+    });
+}
+
+var WindowTimers = ns_Timer._WindowTimers;
+var requestAnimationFrame = ns_Timer.requestAnimationFrame;
+var cancelAnimationFrame = ns_Timer.cancelAnimationFrame;