mirror of https://github.com/aap/librw.git
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <cassert>
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#include <iostream>
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#include <fstream>
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#include "rwbase.h"
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#include "rwplugin.h"
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#include "rw.h"
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#include "rwogl.h"
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using namespace std;
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namespace Rw {
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void*
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DestroyNativeDataOGL(void *object, int32, int32)
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{
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Geometry *geometry = (Geometry*)object;
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assert(geometry->instData->platform == PLATFORM_OGL);
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OGLInstanceDataHeader *header =
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(OGLInstanceDataHeader*)geometry->instData;
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delete[] header->attribs;
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delete[] header->data;
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delete header;
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return object;
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}
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void
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ReadNativeDataOGL(istream &stream, int32, void *object, int32, int32)
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{
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Geometry *geometry = (Geometry*)object;
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OGLInstanceDataHeader *header = new OGLInstanceDataHeader;
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geometry->instData = header;
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header->platform = PLATFORM_OGL;
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header->numAttribs = readUInt32(stream);
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header->attribs = new OGLAttrib[header->numAttribs];
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stream.read((char*)header->attribs,
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header->numAttribs*sizeof(OGLAttrib));
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// Any better way to find out the size? (header length can be wrong)
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header->dataSize = header->attribs[0].stride*geometry->numVertices;
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header->data = new uint8[header->dataSize];
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stream.read((char*)header->data, header->dataSize);
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}
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void
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WriteNativeDataOGL(ostream &stream, int32 len, void *object, int32, int32)
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{
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Geometry *geometry = (Geometry*)object;
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assert(geometry->instData->platform == PLATFORM_OGL);
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OGLInstanceDataHeader *header =
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(OGLInstanceDataHeader*)geometry->instData;
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writeUInt32(header->numAttribs, stream);
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stream.write((char*)header->attribs,
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header->numAttribs*sizeof(OGLAttrib));
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stream.write((char*)header->data, header->dataSize);
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}
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int32
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GetSizeNativeDataOGL(void *object, int32, int32)
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{
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Geometry *geometry = (Geometry*)object;
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assert(geometry->instData->platform == PLATFORM_OGL);
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OGLInstanceDataHeader *header =
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(OGLInstanceDataHeader*)geometry->instData;
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return 4 + header->numAttribs*sizeof(OGLAttrib) + header->dataSize;
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}
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}
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