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POVW3D Model Format
 

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  1. POVW3D Model Format
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    <p>Lately, I have been working to resurrect an old open source game. My main problem is it uses a custom format: VW3D. The following code snippet is used to load the model from its File System. Is it possible to reconstruct the model format (and convert it) from the below snippet? I have no idea how I would go about this and would appreciate any pointers. My hope is to be able to construct a script to convert to/from this format (Planning for vw3d to obj and vice versa)</p> <pre><code>void eModel3D::ReadVW3D(const char *nName) { eFILE *file = 0; file = vw_fopen(nName); if (file == 0) return; size_t SizeB = strlen(nName)+1; Name = new char[SizeB]; strcpy(Name, nName); // пропускаем заголовок / skip header file-&gt;fread(&amp;DrawObjectCount, 4, 1); // читаем, сколько объектов read how many objects file-&gt;fread(&amp;DrawObjectCount, sizeof(int), 1); DrawObjectList = new eObjectBlock[DrawObjectCount]; unsigned int GlobalRangeStart = 0; // для каждого объекта for each object for (int i=0; i&lt;DrawObjectCount; i++) { DrawObjectList[i].RangeStart = GlobalRangeStart; // FVF_Format file-&gt;fread(&amp;(DrawObjectList[i].FVF_Format),sizeof(int),1); // Stride file-&gt;fread(&amp;(DrawObjectList[i].Stride),sizeof(int),1); // VertexCount на самом деле, это кол-во индексов на объект In fact, this count of the index on an object file-&gt;fread(&amp;(DrawObjectList[i].VertexCount),sizeof(int),1); GlobalRangeStart += DrawObjectList[i].VertexCount; // Location file-&gt;fread(&amp;(DrawObjectList[i].Location),sizeof(float)*3,1); // Rotation file-&gt;fread(&amp;(DrawObjectList[i].Rotation),sizeof(float)*3,1); // рисуем нормально, не прозрачным draw a fine, not transparent DrawObjectList[i].DrawType = 0; // вертексный буфер Vertex Buffer DrawObjectList[i].VertexBufferDestrType = 0; DrawObjectList[i].VertexBuffer = 0; DrawObjectList[i].VertexBufferVBO = 0; // индексный буфер Index buffer DrawObjectList[i].IndexBuffer = 0; DrawObjectList[i].IndexBufferVBO = 0; } // получаем сколько всего вертексов get how many verticies int VCount = 0; file-&gt;fread(&amp;VCount,sizeof(int),1); // собственно данные actual data GlobalVertexBuffer = new float[VCount*DrawObjectList[0].Stride]; file-&gt;fread(GlobalVertexBuffer, VCount*DrawObjectList[0].Stride*sizeof(float),1); // индекс буфер I.B. GlobalIndexBuffer = new unsigned int[GlobalRangeStart]; file-&gt;fread(GlobalIndexBuffer, GlobalRangeStart*sizeof(unsigned int),1); // делаем общее VBO making the total VBO GlobalVertexBufferVBO = new unsigned int; if (!vw_BuildVBO(VCount, GlobalVertexBuffer, DrawObjectList[0].Stride, GlobalVertexBufferVBO)) { delete GlobalVertexBufferVBO; GlobalVertexBufferVBO=0; } // делаем общий индекс VBO makes the overall index VBO GlobalIndexBufferVBO = new unsigned int; if (!vw_BuildIndexVBO(GlobalRangeStart, GlobalIndexBuffer, GlobalIndexBufferVBO)) { delete GlobalIndexBufferVBO; GlobalIndexBufferVBO=0; } // устанавливаем правильные указатели на массивы establish the correct pointers to arrays for (int i=0; i&lt;DrawObjectCount; i++) { DrawObjectList[i].VertexBuffer = GlobalVertexBuffer; DrawObjectList[i].VertexBufferVBO = GlobalVertexBufferVBO; DrawObjectList[i].IndexBuffer = GlobalIndexBuffer; DrawObjectList[i].IndexBufferVBO = GlobalIndexBufferVBO; } vw_fclose(file); } </code></pre>
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