open source

Conch/source/domsupport/test.ts

@@ -0,0 +1,271 @@
+
+class JCMemClass{
+    getChangedFlag():boolean{
+        return false;
+    }
+    setChangedFlag(b:boolean){
+
+    }
+    getDataSize():number{
+        return 0;
+    }
+    getData():ArrayBuffer{
+        return null;
+    }
+}
+
+/**
+ * 一个方便操作的buffer
+ * 1. 直接根据数据构建
+ * 2. 随时修改：修改，添加,例如动态mesh
+ * 3. 可以分段提交
+ */
+
+class JCGpuBuffer {
+    //m_bChanged: boolean = false;  //任意段发生修改
+    m_nStreamNum: number = 0; //
+    vbo: WebGLBuffer = 0;//gpu res
+    m_nVBLength: number = 0;//对应的显存的大小，如果内存大于显存了，需要重新调整
+    m_pMemBuffer:JCMemClass[];
+    m_vStreamStart: number[] = null;
+    m_nTotalSize=0;
+    create(size) {
+
+    }
+    /**
+     * 分段管理
+     */
+    createStreams(s1size, s2size, s3size, ...args) {
+        this.m_nTotalSize=0;//++++
+    }
+
+    /**
+     * @param newvb 是否强制更新vb，不再使用老的。
+     */
+    uploadTo(target, newvb: boolean) {
+        var gl:WebGLRenderingContext;
+        //计算总大小
+        this.m_nTotalSize=0;
+        for(var i=0; i<this.m_pMemBuffer.length; i++){
+           this.m_nTotalSize+= this.m_pMemBuffer[i].getDataSize();
+        }    
+
+        if( this.vbo>0 && (newvb || this.m_nTotalSize>this.m_nVBLength)){
+            gl.deleteBuffer(this.vbo);//TODO 用重用的方法更好
+            this.vbo=0;
+        }
+
+        if(this.vbo<=0){
+            this.vbo = gl.createBuffer();
+            gl.bindBuffer(target,this.vbo);
+            gl.bufferData(target,this.m_nTotalSize,gl.DYNAMIC_DRAW);   //分配空间
+        }
+        gl.bindBuffer(target,this.vbo);
+        for( var i=0; i<this.m_nStreamNum; i++){
+            gl.bufferSubData(target,this.m_vStreamStart[i],this.m_pMemBuffer[i].getData());
+            this.m_pMemBuffer[i].setChangedFlag(false);
+        }
+        this.m_nVBLength=this.m_nTotalSize;
+    }
+
+    getStreamMem(idx) {
+
+    }
+    freeGLRes() {
+
+    }
+}
+
+
+class JCVB extends JCGpuBuffer {
+    upload(force) {
+
+    }
+}
+
+class JCIB extends JCGpuBuffer {
+    createFromArray(arr) {
+
+    }
+    upload(force) {
+
+    }
+    appendData(p_pIdx, p_nNum, p_nVertOff){
+
+    }
+}
+
+class JCNamedData {
+
+}
+
+class JCVertexDesc {
+    m_VertDescs:any[];
+    getStride(): number {
+        return 0;
+    }
+    getHash() {
+    }
+}
+
+class JCShaderLinkInfo{
+    //这里包含stride
+}
+
+class JCMaterial {
+
+}
+
+
+/**
+ * 类似submesh
+ */
+class JCRenderGroupData {
+    m_pMesh: JCMesh;
+    m_nGeoMode: number;
+    m_nBegin: number = 0;  //可能是顶点位置也可能是index位置
+    m_nEnd: number = 0;
+    m_bHasObjMat = false;
+    m_pShaderInfo: any = null;
+    m_pMaterial: JCMaterial = null;
+    m_nVertexDesc = 0;    //第几个顶点描述
+}
+
+class JCMesh {
+    //m_nVertNum;
+    /**
+     * 本mesh用到的所有的顶点格式
+     */
+    m_AllVertexDesc: JCVertexDesc[];
+    getVB(): JCVB {
+        return null;
+    }
+    getIB(): JCIB {
+        return null;
+    }
+
+    //缺省大小不用设置
+    //config(INITSize);
+    // getStride(id): number {
+    //     return this.m_AllVertexDesc[id].getStride();
+    // }
+
+    regVertexDesc(vd:JCVertexDesc):number{
+        var h =vd.getHash();
+        //if( )
+        return this.m_AllVertexDesc.length;
+    }
+    freeGLRes() {
+
+    }
+    //删除内存数据，例如不会变的mesh
+    freeMemRes() {
+
+    }
+    upload() {
+    }
+    getGroupNum():number{
+        return 0;
+    }
+}
+
+/**
+ * 单流mesh
+ * TODO 是否需要一个只保留gpu资源的mesh
+ */
+class JCMesh1 extends JCMesh{
+    m_pCurGroup:JCRenderGroupData=null;
+    m_vRenderGroupDatas:JCRenderGroupData[]=null;
+    //直接创建vertex
+    pushVertex(vertType:number, geomode, mtl, {}):JCRenderGroupData {
+        return null;
+    }
+    /**
+     * 这种情况geomode固定为三角形
+     * @param relIdx 是否是相对的索引，如果是true，需要全部加上当前的顶点个数
+     */
+    pushElement(vertType:number, mtl, {}, {}, relIdx:boolean) {
+
+    }
+
+    pushVertexBuf(vertType:number, geomode, mtl, data, len) {
+        var vetNum = 0;//datalen/stride
+    }
+    pushElementsBuf(vertType:number, mtl,vbdata, vblen, ibdata, iblen, relIdx:boolean):JCRenderGroupData {
+        if(vertType!=this.m_pCurGroup.m_nVertexDesc ||true){
+            //new group
+        }
+        return this.m_pCurGroup;
+    }
+}
+
+function renderMesh(mesh: JCMesh, group: JCRenderGroupData, data, datanum) {
+    var stride = group.getStride();
+
+}
+
+function fillTris(ib, vb, vertexdesc, shader, texture) {
+
+}
+
+class JCHtml5Context {
+    m_pDynamicMesh:JCGameMesh=null;
+    setIBVB(p_nIbId, p_nVbId, p_nShaderId, p_nImgId,
+        p_nStartIndex, p_nOffset, p_nNumElement, x, y, vertextype) {
+
+        var vbbuf;
+        var ibbuf;
+        var gpuProg;
+        var Img;
+        switch (vertextype) {
+            case 1://x,y,u,v,r,g,b,a
+            case 2://x,y,u,v
+        }
+        var vdesc: JCVertexDesc = null;   //在ctx的成员变量中写死
+        var mtl:JCMaterial;
+        if(!vbbuf.vdid){//or <0
+            vbbuf.viid=this.m_pDynamicMesh.regVertexDesc(vdesc);
+        }
+        this.m_pDynamicMesh.pushElementsBuf(vbbuf.viid,mtl,vbbuf,1,ibbuf,1,true);
+
+    }
+
+    pushTriangleStripsData(pData, len,mtl){
+
+    }
+}
+
+
+//动态添加
+//材质
+//矩阵
+//link需要全局的数据的描述
+//link结果保存在什么地方
+class JCGameMesh extends JCMesh1 {
+    strokeLink: JCShaderLinkInfo;
+    fillLink: JCShaderLinkInfo;
+    mapLink: JCShaderLinkInfo;
+    fillcolorLink: JCShaderLinkInfo;
+    drawImgLink: JCShaderLinkInfo;
+    render() {
+
+    }
+}
+
+//JCVertexDesc 和stride其实并没有什么关联 mesh属性描述中增加 m_nStride
+//JCVertexDesc 与attrib有关
+
+class JCRenderCmd{
+
+}
+
+function testWS(){
+    var ws = new WebSocket('ws://174.129.224.73/');
+    ws.onopen=function(ev){
+        console.log('open');
+        ws.send('hello');
+    }
+    ws.onmessage=function(msg){
+        console.log(msg);
+    }
+}