2014-08-05 22:39:54 +00:00
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/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2012, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file AssbinLoader.cpp
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* @brief Implementation of the .assbin importer class
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*
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* see assbin_chunks.h
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*/
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#include "AssimpPCH.h"
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#ifndef ASSIMP_BUILD_NO_ASSBIN_IMPORTER
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// internal headers
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#include "AssbinLoader.h"
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2014-08-06 11:26:26 +00:00
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#include "assbin_chunks.h"
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2014-08-05 22:39:54 +00:00
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using namespace Assimp;
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2014-08-05 22:52:05 +00:00
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static const aiImporterDesc desc = {
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".assbin Importer",
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"Gargaj / Conspiracy",
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"",
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"",
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aiImporterFlags_SupportBinaryFlavour | aiImporterFlags_SupportCompressedFlavour,
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0,
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0,
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0,
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0,
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"assbin"
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};
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2014-08-06 11:26:26 +00:00
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const aiImporterDesc* AssbinImporter::GetInfo() const
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2014-08-05 22:39:54 +00:00
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{
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2014-08-05 22:52:05 +00:00
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return &desc;
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2014-08-05 22:39:54 +00:00
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}
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2014-08-06 11:26:26 +00:00
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bool AssbinImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig ) const
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2014-08-05 22:39:54 +00:00
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{
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2014-08-05 22:52:05 +00:00
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IOStream * in = pIOHandler->Open(pFile);
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if (!in)
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return false;
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char s[32];
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in->Read( s, sizeof(char), 32 );
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pIOHandler->Close(in);
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return strncmp( s, "ASSIMP.binary-dump.", 19 ) == 0;
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2014-08-05 22:39:54 +00:00
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}
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2014-08-06 11:26:26 +00:00
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template <typename T>
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T Read(IOStream * stream)
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2014-08-05 22:39:54 +00:00
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{
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2014-08-06 11:26:26 +00:00
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T t;
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stream->Read( &t, sizeof(T), 1 );
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return t;
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}
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template <>
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aiString Read<aiString>(IOStream * stream)
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{
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aiString s;
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stream->Read(&s.length,4,1);
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stream->Read(s.data,s.length,1);
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return s;
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}
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template <>
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aiMatrix4x4 Read<aiMatrix4x4>(IOStream * stream)
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{
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aiMatrix4x4 m;
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for (unsigned int i = 0; i < 4;++i) {
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for (unsigned int i2 = 0; i2 < 4;++i2) {
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m[i][i2] = Read<float>(stream);
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}
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}
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return m;
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}
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2014-08-06 12:06:08 +00:00
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template <typename T> void ReadBounds( IOStream * stream, T* p, unsigned int n )
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{
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// not sure what to do here, the data isn't really useful.
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stream->Seek( sizeof(T) * n, aiOrigin_CUR );
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}
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2014-08-06 11:26:26 +00:00
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void AssbinImporter::ReadBinaryNode( IOStream * stream, aiNode** node )
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{
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ai_assert( Read<uint32_t>(stream) == ASSBIN_CHUNK_AINODE);
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uint32_t size = Read<uint32_t>(stream);
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*node = new aiNode();
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(*node)->mName = Read<aiString>(stream);
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(*node)->mTransformation = Read<aiMatrix4x4>(stream);
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(*node)->mNumChildren = Read<unsigned int>(stream);
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(*node)->mNumMeshes = Read<unsigned int>(stream);
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if ((*node)->mNumMeshes)
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{
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(*node)->mMeshes = new unsigned int[(*node)->mNumMeshes];
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for (unsigned int i = 0; i < (*node)->mNumMeshes; ++i) {
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(*node)->mMeshes[i] = Read<unsigned int>(stream);
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}
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}
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if ((*node)->mNumChildren)
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{
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(*node)->mChildren = new aiNode*[(*node)->mNumChildren];
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for (unsigned int i = 0; i < (*node)->mNumChildren; ++i) {
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ReadBinaryNode( stream, &(*node)->mChildren[i] );
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}
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}
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}
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2014-08-06 12:06:08 +00:00
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// -----------------------------------------------------------------------------------
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void AssbinImporter::ReadBinaryBone( IOStream * stream, aiBone* b )
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{
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ai_assert( Read<uint32_t>(stream) == ASSBIN_CHUNK_AIBONE );
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uint32_t size = Read<uint32_t>(stream);
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b->mName = Read<aiString>(stream);
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b->mNumWeights = Read<unsigned int>(stream);
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b->mOffsetMatrix = Read<aiMatrix4x4>(stream);
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// for the moment we write dumb min/max values for the bones, too.
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// maybe I'll add a better, hash-like solution later
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if (shortened)
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{
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ReadBounds(stream,b->mWeights,b->mNumWeights);
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} // else write as usual
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else
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{
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b->mWeights = new aiVertexWeight[b->mNumWeights];
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stream->Read(b->mWeights,1,b->mNumWeights*sizeof(aiVertexWeight));
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}
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}
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void AssbinImporter::ReadBinaryMesh( IOStream * stream, aiMesh* mesh )
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{
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ai_assert( Read<uint32_t>(stream) == ASSBIN_CHUNK_AIMESH);
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uint32_t size = Read<uint32_t>(stream);
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mesh->mPrimitiveTypes = Read<unsigned int>(stream);
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mesh->mNumVertices = Read<unsigned int>(stream);
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mesh->mNumFaces = Read<unsigned int>(stream);
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mesh->mNumBones = Read<unsigned int>(stream);
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mesh->mMaterialIndex = Read<unsigned int>(stream);
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// first of all, write bits for all existent vertex components
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unsigned int c = Read<unsigned int>(stream);
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if (c & ASSBIN_MESH_HAS_POSITIONS)
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{
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if (shortened) {
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ReadBounds(stream,mesh->mVertices,mesh->mNumVertices);
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} // else write as usual
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else
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{
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mesh->mVertices = new aiVector3D[mesh->mNumVertices];
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stream->Read(mesh->mVertices,1,12*mesh->mNumVertices);
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}
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}
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if (c & ASSBIN_MESH_HAS_NORMALS)
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{
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if (shortened) {
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ReadBounds(stream,mesh->mNormals,mesh->mNumVertices);
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} // else write as usual
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else
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{
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mesh->mNormals = new aiVector3D[mesh->mNumVertices];
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stream->Read(mesh->mNormals,1,12*mesh->mNumVertices);
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}
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}
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if (c & ASSBIN_MESH_HAS_TANGENTS_AND_BITANGENTS)
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{
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if (shortened) {
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ReadBounds(stream,mesh->mTangents,mesh->mNumVertices);
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ReadBounds(stream,mesh->mBitangents,mesh->mNumVertices);
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} // else write as usual
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else {
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mesh->mTangents = new aiVector3D[mesh->mNumVertices];
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stream->Read(mesh->mTangents,1,12*mesh->mNumVertices);
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mesh->mBitangents = new aiVector3D[mesh->mNumVertices];
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stream->Read(mesh->mBitangents,1,12*mesh->mNumVertices);
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}
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}
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for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_COLOR_SETS;++n)
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{
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if (!(c & ASSBIN_MESH_HAS_COLOR(n)))
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break;
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if (shortened)
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{
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ReadBounds(stream,mesh->mColors[n],mesh->mNumVertices);
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} // else write as usual
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else
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{
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mesh->mColors[n] = new aiColor4D[mesh->mNumVertices];
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stream->Read(mesh->mColors[n],16*mesh->mNumVertices,1);
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}
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}
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for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_TEXTURECOORDS;++n)
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{
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if (!(c & ASSBIN_MESH_HAS_TEXCOORD(n)))
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break;
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// write number of UV components
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mesh->mNumUVComponents[n] = Read<unsigned int>(stream);
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if (shortened) {
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ReadBounds(stream,mesh->mTextureCoords[n],mesh->mNumVertices);
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} // else write as usual
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else
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{
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mesh->mTextureCoords[n] = new aiVector3D[mesh->mNumVertices];
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stream->Read(mesh->mTextureCoords[n],12*mesh->mNumVertices,1);
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}
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}
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// write faces. There are no floating-point calculations involved
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// in these, so we can write a simple hash over the face data
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// to the dump file. We generate a single 32 Bit hash for 512 faces
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// using Assimp's standard hashing function.
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if (shortened) {
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Read<unsigned int>(stream);
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}
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else // else write as usual
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{
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// if there are less than 2^16 vertices, we can simply use 16 bit integers ...
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mesh->mFaces = new aiFace[mesh->mNumFaces];
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for (unsigned int i = 0; i < mesh->mNumFaces;++i) {
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aiFace& f = mesh->mFaces[i];
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BOOST_STATIC_ASSERT(AI_MAX_FACE_INDICES <= 0xffff);
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f.mNumIndices = Read<uint16_t>(stream);
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f.mIndices = new unsigned int[f.mNumIndices];
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for (unsigned int a = 0; a < f.mNumIndices;++a) {
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if (mesh->mNumVertices < (1u<<16))
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{
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f.mIndices[a] = Read<uint16_t>(stream);
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}
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else
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{
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f.mIndices[a] = Read<unsigned int>(stream);
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}
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}
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}
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}
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// write bones
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if (mesh->mNumBones) {
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mesh->mBones = new C_STRUCT aiBone*[mesh->mNumBones];
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for (unsigned int a = 0; a < mesh->mNumBones;++a) {
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mesh->mBones[a] = new aiBone();
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ReadBinaryBone(stream,mesh->mBones[a]);
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}
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}
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}
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2014-08-06 12:21:53 +00:00
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void AssbinImporter::ReadBinaryMaterialProperty(IOStream * stream, aiMaterialProperty* prop)
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{
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ai_assert( Read<uint32_t>(stream) == ASSBIN_CHUNK_AIMATERIALPROPERTY);
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uint32_t size = Read<uint32_t>(stream);
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prop->mKey = Read<aiString>(stream);
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prop->mSemantic = Read<unsigned int>(stream);
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prop->mIndex = Read<unsigned int>(stream);
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prop->mDataLength = Read<unsigned int>(stream);
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prop->mType = (aiPropertyTypeInfo)Read<unsigned int>(stream);
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prop->mData = new char [ prop->mDataLength ];
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stream->Read(prop->mData,1,prop->mDataLength);
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}
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// -----------------------------------------------------------------------------------
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void AssbinImporter::ReadBinaryMaterial(IOStream * stream, aiMaterial* mat)
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{
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ai_assert( Read<uint32_t>(stream) == ASSBIN_CHUNK_AIMATERIAL);
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uint32_t size = Read<uint32_t>(stream);
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mat->mNumAllocated = mat->mNumProperties = Read<unsigned int>(stream);
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if (mat->mNumProperties)
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{
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if (mat->mProperties)
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{
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delete[] mat->mProperties;
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}
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mat->mProperties = new aiMaterialProperty*[mat->mNumProperties];
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for (unsigned int i = 0; i < mat->mNumProperties;++i) {
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mat->mProperties[i] = new aiMaterialProperty();
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ReadBinaryMaterialProperty( stream, mat->mProperties[i]);
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}
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}
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}
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2014-08-06 11:26:26 +00:00
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void AssbinImporter::ReadBinaryScene( IOStream * stream, aiScene* scene )
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{
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ai_assert( Read<uint32_t>(stream) == ASSBIN_CHUNK_AISCENE);
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uint32_t size = Read<uint32_t>(stream);
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scene->mFlags = Read<unsigned int>(stream);
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scene->mNumMeshes = Read<unsigned int>(stream);
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scene->mNumMaterials = Read<unsigned int>(stream);
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scene->mNumAnimations = Read<unsigned int>(stream);
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scene->mNumTextures = Read<unsigned int>(stream);
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scene->mNumLights = Read<unsigned int>(stream);
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scene->mNumCameras = Read<unsigned int>(stream);
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// Read node graph
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scene->mRootNode = new aiNode[1];
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ReadBinaryNode( stream, &scene->mRootNode );
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// Read all meshes
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2014-08-06 12:06:08 +00:00
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if (scene->mNumMeshes)
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{
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|
|
scene->mMeshes = new aiMesh*[scene->mNumMeshes];
|
|
|
|
for (unsigned int i = 0; i < scene->mNumMeshes;++i) {
|
|
|
|
scene->mMeshes[i] = new aiMesh();
|
|
|
|
ReadBinaryMesh( stream,scene->mMeshes[i]);
|
|
|
|
}
|
|
|
|
}
|
2014-08-06 11:26:26 +00:00
|
|
|
|
|
|
|
// Read materials
|
2014-08-06 12:21:53 +00:00
|
|
|
if (scene->mNumMaterials)
|
|
|
|
{
|
|
|
|
scene->mMaterials = new aiMaterial*[scene->mNumMaterials];
|
|
|
|
for (unsigned int i = 0; i< scene->mNumMaterials; ++i) {
|
|
|
|
scene->mMaterials[i] = new aiMaterial();
|
|
|
|
ReadBinaryMaterial(stream,scene->mMaterials[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
2014-08-06 11:26:26 +00:00
|
|
|
|
|
|
|
// Read all animations
|
|
|
|
for (unsigned int i = 0; i < scene->mNumAnimations;++i) {
|
|
|
|
const aiAnimation* anim = scene->mAnimations[i];
|
|
|
|
ReadBinaryAnim(stream,anim);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Read all textures
|
|
|
|
for (unsigned int i = 0; i < scene->mNumTextures;++i) {
|
|
|
|
const aiTexture* mesh = scene->mTextures[i];
|
|
|
|
ReadBinaryTexture(stream,mesh);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Read lights
|
|
|
|
for (unsigned int i = 0; i < scene->mNumLights;++i) {
|
|
|
|
const aiLight* l = scene->mLights[i];
|
|
|
|
ReadBinaryLight(stream,l);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Read cameras
|
|
|
|
for (unsigned int i = 0; i < scene->mNumCameras;++i) {
|
|
|
|
const aiCamera* cam = scene->mCameras[i];
|
|
|
|
ReadBinaryCamera(stream,cam);
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
void AssbinImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler )
|
|
|
|
{
|
|
|
|
IOStream * stream = pIOHandler->Open(pFile,"rb");
|
|
|
|
if (!stream)
|
|
|
|
return;
|
|
|
|
|
|
|
|
stream->Seek( 44, aiOrigin_CUR ); // signature
|
|
|
|
|
|
|
|
unsigned int versionMajor = Read<unsigned int>(stream);
|
|
|
|
unsigned int versionMinor = Read<unsigned int>(stream);
|
|
|
|
unsigned int versionRevision = Read<unsigned int>(stream);
|
|
|
|
unsigned int compileFlags = Read<unsigned int>(stream);
|
|
|
|
|
|
|
|
shortened = Read<uint16_t>(stream) > 0;
|
|
|
|
compressed = Read<uint16_t>(stream) > 0;
|
|
|
|
|
|
|
|
stream->Seek( 256, aiOrigin_CUR ); // original filename
|
|
|
|
stream->Seek( 128, aiOrigin_CUR ); // options
|
|
|
|
stream->Seek( 64, aiOrigin_CUR ); // padding
|
|
|
|
|
|
|
|
if (compressed)
|
|
|
|
{
|
|
|
|
// TODO
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ReadBinaryScene(stream,pScene);
|
|
|
|
}
|
|
|
|
|
|
|
|
pIOHandler->Close(stream);
|
2014-08-05 22:39:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#endif // !! ASSIMP_BUILD_NO_ASSBIN_IMPORTER
|