735 lines
26 KiB
C++
735 lines
26 KiB
C++
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2022, 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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#ifndef ASSIMP_BUILD_NO_ASSBIN_IMPORTER
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// internal headers
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#include "AssetLib/Assbin/AssbinLoader.h"
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#include "Common/assbin_chunks.h"
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#include <assimp/MemoryIOWrapper.h>
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#include <assimp/anim.h>
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#include <assimp/importerdesc.h>
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#include <assimp/mesh.h>
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#include <assimp/scene.h>
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#include <memory>
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#ifdef ASSIMP_BUILD_NO_OWN_ZLIB
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#include <zlib.h>
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#else
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#include <contrib/zlib/zlib.h>
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#endif
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using namespace Assimp;
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static const aiImporterDesc desc = {
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"Assimp Binary 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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// -----------------------------------------------------------------------------------
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const aiImporterDesc *AssbinImporter::GetInfo() const {
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return &desc;
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}
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// -----------------------------------------------------------------------------------
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bool AssbinImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
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IOStream *in = pIOHandler->Open(pFile);
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if (nullptr == in) {
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return false;
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}
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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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}
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// -----------------------------------------------------------------------------------
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template <typename T>
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T Read(IOStream *stream) {
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T t;
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size_t res = stream->Read(&t, sizeof(T), 1);
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if (res != 1) {
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throw DeadlyImportError("Unexpected EOF");
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}
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return t;
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}
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// -----------------------------------------------------------------------------------
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template <>
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aiVector3D Read<aiVector3D>(IOStream *stream) {
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aiVector3D v;
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v.x = Read<ai_real>(stream);
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v.y = Read<ai_real>(stream);
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v.z = Read<ai_real>(stream);
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return v;
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}
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// -----------------------------------------------------------------------------------
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template <>
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aiColor4D Read<aiColor4D>(IOStream *stream) {
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aiColor4D c;
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c.r = Read<ai_real>(stream);
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c.g = Read<ai_real>(stream);
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c.b = Read<ai_real>(stream);
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c.a = Read<ai_real>(stream);
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return c;
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}
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// -----------------------------------------------------------------------------------
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template <>
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aiQuaternion Read<aiQuaternion>(IOStream *stream) {
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aiQuaternion v;
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v.w = Read<ai_real>(stream);
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v.x = Read<ai_real>(stream);
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v.y = Read<ai_real>(stream);
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v.z = Read<ai_real>(stream);
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return v;
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}
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// -----------------------------------------------------------------------------------
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template <>
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aiString Read<aiString>(IOStream *stream) {
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aiString s;
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stream->Read(&s.length, 4, 1);
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if (s.length) {
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stream->Read(s.data, s.length, 1);
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}
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s.data[s.length] = 0;
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return s;
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}
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// -----------------------------------------------------------------------------------
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template <>
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aiVertexWeight Read<aiVertexWeight>(IOStream *stream) {
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aiVertexWeight w;
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w.mVertexId = Read<unsigned int>(stream);
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w.mWeight = Read<ai_real>(stream);
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return w;
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}
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// -----------------------------------------------------------------------------------
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template <>
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aiMatrix4x4 Read<aiMatrix4x4>(IOStream *stream) {
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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<ai_real>(stream);
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}
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}
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return m;
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}
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// -----------------------------------------------------------------------------------
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template <>
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aiVectorKey Read<aiVectorKey>(IOStream *stream) {
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aiVectorKey v;
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v.mTime = Read<double>(stream);
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v.mValue = Read<aiVector3D>(stream);
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return v;
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}
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// -----------------------------------------------------------------------------------
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template <>
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aiQuatKey Read<aiQuatKey>(IOStream *stream) {
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aiQuatKey v;
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v.mTime = Read<double>(stream);
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v.mValue = Read<aiQuaternion>(stream);
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return v;
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}
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// -----------------------------------------------------------------------------------
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template <typename T>
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void ReadArray(IOStream *stream, T *out, unsigned int size) {
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ai_assert(nullptr != stream);
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ai_assert(nullptr != out);
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for (unsigned int i = 0; i < size; i++) {
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out[i] = Read<T>(stream);
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}
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}
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// -----------------------------------------------------------------------------------
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template <typename T>
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void ReadBounds(IOStream *stream, T * /*p*/, unsigned int n) {
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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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// -----------------------------------------------------------------------------------
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void AssbinImporter::ReadBinaryNode(IOStream *stream, aiNode **onode, aiNode *parent) {
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if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AINODE)
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throw DeadlyImportError("Magic chunk identifiers are wrong!");
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/*uint32_t size =*/Read<uint32_t>(stream);
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std::unique_ptr<aiNode> 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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unsigned numChildren = Read<unsigned int>(stream);
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unsigned numMeshes = Read<unsigned int>(stream);
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unsigned int nb_metadata = Read<unsigned int>(stream);
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if (parent) {
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node->mParent = parent;
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}
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if (numMeshes) {
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node->mMeshes = new unsigned int[numMeshes];
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for (unsigned int i = 0; i < numMeshes; ++i) {
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node->mMeshes[i] = Read<unsigned int>(stream);
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node->mNumMeshes++;
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}
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}
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if (numChildren) {
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node->mChildren = new aiNode *[numChildren];
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for (unsigned int i = 0; i < numChildren; ++i) {
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ReadBinaryNode(stream, &node->mChildren[i], node.get());
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node->mNumChildren++;
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}
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}
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if (nb_metadata > 0) {
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node->mMetaData = aiMetadata::Alloc(nb_metadata);
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for (unsigned int i = 0; i < nb_metadata; ++i) {
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node->mMetaData->mKeys[i] = Read<aiString>(stream);
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node->mMetaData->mValues[i].mType = (aiMetadataType)Read<uint16_t>(stream);
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void *data = nullptr;
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switch (node->mMetaData->mValues[i].mType) {
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case AI_BOOL:
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data = new bool(Read<bool>(stream));
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break;
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case AI_INT32:
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data = new int32_t(Read<int32_t>(stream));
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break;
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case AI_UINT64:
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data = new uint64_t(Read<uint64_t>(stream));
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break;
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case AI_FLOAT:
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data = new ai_real(Read<ai_real>(stream));
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break;
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case AI_DOUBLE:
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data = new double(Read<double>(stream));
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break;
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case AI_AISTRING:
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data = new aiString(Read<aiString>(stream));
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break;
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case AI_AIVECTOR3D:
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data = new aiVector3D(Read<aiVector3D>(stream));
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break;
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#ifndef SWIG
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case FORCE_32BIT:
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#endif // SWIG
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default:
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break;
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}
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node->mMetaData->mValues[i].mData = data;
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}
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}
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*onode = node.release();
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}
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// -----------------------------------------------------------------------------------
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void AssbinImporter::ReadBinaryBone(IOStream *stream, aiBone *b) {
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if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIBONE)
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throw DeadlyImportError("Magic chunk identifiers are wrong!");
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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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ReadBounds(stream, b->mWeights, b->mNumWeights);
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} else {
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// else write as usual
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b->mWeights = new aiVertexWeight[b->mNumWeights];
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ReadArray<aiVertexWeight>(stream, b->mWeights, b->mNumWeights);
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}
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}
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// -----------------------------------------------------------------------------------
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static bool fitsIntoUI16(unsigned int mNumVertices) {
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return (mNumVertices < (1u << 16));
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}
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// -----------------------------------------------------------------------------------
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void AssbinImporter::ReadBinaryMesh(IOStream *stream, aiMesh *mesh) {
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if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIMESH)
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throw DeadlyImportError("Magic chunk identifiers are wrong!");
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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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if (shortened) {
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ReadBounds(stream, mesh->mVertices, mesh->mNumVertices);
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} else {
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// else write as usual
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mesh->mVertices = new aiVector3D[mesh->mNumVertices];
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ReadArray<aiVector3D>(stream, mesh->mVertices, mesh->mNumVertices);
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}
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}
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if (c & ASSBIN_MESH_HAS_NORMALS) {
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if (shortened) {
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ReadBounds(stream, mesh->mNormals, mesh->mNumVertices);
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} else {
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// else write as usual
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mesh->mNormals = new aiVector3D[mesh->mNumVertices];
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ReadArray<aiVector3D>(stream, mesh->mNormals, 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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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 {
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// else write as usual
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mesh->mTangents = new aiVector3D[mesh->mNumVertices];
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ReadArray<aiVector3D>(stream, mesh->mTangents, mesh->mNumVertices);
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mesh->mBitangents = new aiVector3D[mesh->mNumVertices];
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ReadArray<aiVector3D>(stream, mesh->mBitangents, 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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if (!(c & ASSBIN_MESH_HAS_COLOR(n))) {
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break;
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}
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if (shortened) {
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ReadBounds(stream, mesh->mColors[n], mesh->mNumVertices);
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} else {
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// else write as usual
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mesh->mColors[n] = new aiColor4D[mesh->mNumVertices];
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ReadArray<aiColor4D>(stream, mesh->mColors[n], mesh->mNumVertices);
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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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if (!(c & ASSBIN_MESH_HAS_TEXCOORD(n))) {
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break;
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}
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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 {
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// else write as usual
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mesh->mTextureCoords[n] = new aiVector3D[mesh->mNumVertices];
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ReadArray<aiVector3D>(stream, mesh->mTextureCoords[n], mesh->mNumVertices);
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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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} else {
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// else write as usual
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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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static_assert(AI_MAX_FACE_INDICES <= 0xffff, "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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// Check if unsigned short ( 16 bit ) are big enough for the indices
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if (fitsIntoUI16(mesh->mNumVertices)) {
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f.mIndices[a] = Read<uint16_t>(stream);
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} else {
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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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// -----------------------------------------------------------------------------------
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void AssbinImporter::ReadBinaryMaterialProperty(IOStream *stream, aiMaterialProperty *prop) {
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if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIMATERIALPROPERTY)
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throw DeadlyImportError("Magic chunk identifiers are wrong!");
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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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if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIMATERIAL)
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throw DeadlyImportError("Magic chunk identifiers are wrong!");
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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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if (mat->mProperties) {
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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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// -----------------------------------------------------------------------------------
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void AssbinImporter::ReadBinaryNodeAnim(IOStream *stream, aiNodeAnim *nd) {
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if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AINODEANIM)
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throw DeadlyImportError("Magic chunk identifiers are wrong!");
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/*uint32_t size =*/Read<uint32_t>(stream);
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nd->mNodeName = Read<aiString>(stream);
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nd->mNumPositionKeys = Read<unsigned int>(stream);
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nd->mNumRotationKeys = Read<unsigned int>(stream);
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nd->mNumScalingKeys = Read<unsigned int>(stream);
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nd->mPreState = (aiAnimBehaviour)Read<unsigned int>(stream);
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nd->mPostState = (aiAnimBehaviour)Read<unsigned int>(stream);
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if (nd->mNumPositionKeys) {
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if (shortened) {
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ReadBounds(stream, nd->mPositionKeys, nd->mNumPositionKeys);
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} // else write as usual
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else {
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nd->mPositionKeys = new aiVectorKey[nd->mNumPositionKeys];
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ReadArray<aiVectorKey>(stream, nd->mPositionKeys, nd->mNumPositionKeys);
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}
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}
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if (nd->mNumRotationKeys) {
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if (shortened) {
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ReadBounds(stream, nd->mRotationKeys, nd->mNumRotationKeys);
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} else {
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// else write as usual
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nd->mRotationKeys = new aiQuatKey[nd->mNumRotationKeys];
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ReadArray<aiQuatKey>(stream, nd->mRotationKeys, nd->mNumRotationKeys);
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}
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}
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if (nd->mNumScalingKeys) {
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if (shortened) {
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ReadBounds(stream, nd->mScalingKeys, nd->mNumScalingKeys);
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} else {
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// else write as usual
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nd->mScalingKeys = new aiVectorKey[nd->mNumScalingKeys];
|
|
ReadArray<aiVectorKey>(stream, nd->mScalingKeys, nd->mNumScalingKeys);
|
|
}
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------------
|
|
void AssbinImporter::ReadBinaryAnim(IOStream *stream, aiAnimation *anim) {
|
|
if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIANIMATION)
|
|
throw DeadlyImportError("Magic chunk identifiers are wrong!");
|
|
/*uint32_t size =*/Read<uint32_t>(stream);
|
|
|
|
anim->mName = Read<aiString>(stream);
|
|
anim->mDuration = Read<double>(stream);
|
|
anim->mTicksPerSecond = Read<double>(stream);
|
|
anim->mNumChannels = Read<unsigned int>(stream);
|
|
|
|
if (anim->mNumChannels) {
|
|
anim->mChannels = new aiNodeAnim *[anim->mNumChannels];
|
|
for (unsigned int a = 0; a < anim->mNumChannels; ++a) {
|
|
anim->mChannels[a] = new aiNodeAnim();
|
|
ReadBinaryNodeAnim(stream, anim->mChannels[a]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------------
|
|
void AssbinImporter::ReadBinaryTexture(IOStream *stream, aiTexture *tex) {
|
|
if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AITEXTURE)
|
|
throw DeadlyImportError("Magic chunk identifiers are wrong!");
|
|
/*uint32_t size =*/Read<uint32_t>(stream);
|
|
|
|
tex->mWidth = Read<unsigned int>(stream);
|
|
tex->mHeight = Read<unsigned int>(stream);
|
|
stream->Read(tex->achFormatHint, sizeof(char), HINTMAXTEXTURELEN - 1);
|
|
|
|
if (!shortened) {
|
|
if (!tex->mHeight) {
|
|
tex->pcData = new aiTexel[tex->mWidth];
|
|
stream->Read(tex->pcData, 1, tex->mWidth);
|
|
} else {
|
|
tex->pcData = new aiTexel[tex->mWidth * tex->mHeight];
|
|
stream->Read(tex->pcData, 1, tex->mWidth * tex->mHeight * 4);
|
|
}
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------------
|
|
void AssbinImporter::ReadBinaryLight(IOStream *stream, aiLight *l) {
|
|
if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AILIGHT)
|
|
throw DeadlyImportError("Magic chunk identifiers are wrong!");
|
|
/*uint32_t size =*/Read<uint32_t>(stream);
|
|
|
|
l->mName = Read<aiString>(stream);
|
|
l->mType = (aiLightSourceType)Read<unsigned int>(stream);
|
|
|
|
l->mPosition = Read<aiVector3D>(stream);
|
|
l->mDirection = Read<aiVector3D>(stream);
|
|
l->mUp = Read<aiVector3D>(stream);
|
|
|
|
if (l->mType != aiLightSource_DIRECTIONAL) {
|
|
l->mAttenuationConstant = Read<float>(stream);
|
|
l->mAttenuationLinear = Read<float>(stream);
|
|
l->mAttenuationQuadratic = Read<float>(stream);
|
|
}
|
|
|
|
l->mColorDiffuse = Read<aiColor3D>(stream);
|
|
l->mColorSpecular = Read<aiColor3D>(stream);
|
|
l->mColorAmbient = Read<aiColor3D>(stream);
|
|
|
|
if (l->mType == aiLightSource_SPOT) {
|
|
l->mAngleInnerCone = Read<float>(stream);
|
|
l->mAngleOuterCone = Read<float>(stream);
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------------
|
|
void AssbinImporter::ReadBinaryCamera(IOStream *stream, aiCamera *cam) {
|
|
if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AICAMERA)
|
|
throw DeadlyImportError("Magic chunk identifiers are wrong!");
|
|
/*uint32_t size =*/Read<uint32_t>(stream);
|
|
|
|
cam->mName = Read<aiString>(stream);
|
|
cam->mPosition = Read<aiVector3D>(stream);
|
|
cam->mLookAt = Read<aiVector3D>(stream);
|
|
cam->mUp = Read<aiVector3D>(stream);
|
|
cam->mHorizontalFOV = Read<float>(stream);
|
|
cam->mClipPlaneNear = Read<float>(stream);
|
|
cam->mClipPlaneFar = Read<float>(stream);
|
|
cam->mAspect = Read<float>(stream);
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------------
|
|
void AssbinImporter::ReadBinaryScene(IOStream *stream, aiScene *scene) {
|
|
if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AISCENE)
|
|
throw DeadlyImportError("Magic chunk identifiers are wrong!");
|
|
/*uint32_t size =*/Read<uint32_t>(stream);
|
|
|
|
scene->mFlags = Read<unsigned int>(stream);
|
|
scene->mNumMeshes = Read<unsigned int>(stream);
|
|
scene->mNumMaterials = Read<unsigned int>(stream);
|
|
scene->mNumAnimations = Read<unsigned int>(stream);
|
|
scene->mNumTextures = Read<unsigned int>(stream);
|
|
scene->mNumLights = Read<unsigned int>(stream);
|
|
scene->mNumCameras = Read<unsigned int>(stream);
|
|
|
|
// Read node graph
|
|
//scene->mRootNode = new aiNode[1];
|
|
ReadBinaryNode(stream, &scene->mRootNode, (aiNode *)nullptr);
|
|
|
|
// Read all meshes
|
|
if (scene->mNumMeshes) {
|
|
scene->mMeshes = new aiMesh *[scene->mNumMeshes];
|
|
memset(scene->mMeshes, 0, scene->mNumMeshes * sizeof(aiMesh *));
|
|
for (unsigned int i = 0; i < scene->mNumMeshes; ++i) {
|
|
scene->mMeshes[i] = new aiMesh();
|
|
ReadBinaryMesh(stream, scene->mMeshes[i]);
|
|
}
|
|
}
|
|
|
|
// Read materials
|
|
if (scene->mNumMaterials) {
|
|
scene->mMaterials = new aiMaterial *[scene->mNumMaterials];
|
|
memset(scene->mMaterials, 0, scene->mNumMaterials * sizeof(aiMaterial *));
|
|
for (unsigned int i = 0; i < scene->mNumMaterials; ++i) {
|
|
scene->mMaterials[i] = new aiMaterial();
|
|
ReadBinaryMaterial(stream, scene->mMaterials[i]);
|
|
}
|
|
}
|
|
|
|
// Read all animations
|
|
if (scene->mNumAnimations) {
|
|
scene->mAnimations = new aiAnimation *[scene->mNumAnimations];
|
|
memset(scene->mAnimations, 0, scene->mNumAnimations * sizeof(aiAnimation *));
|
|
for (unsigned int i = 0; i < scene->mNumAnimations; ++i) {
|
|
scene->mAnimations[i] = new aiAnimation();
|
|
ReadBinaryAnim(stream, scene->mAnimations[i]);
|
|
}
|
|
}
|
|
|
|
// Read all textures
|
|
if (scene->mNumTextures) {
|
|
scene->mTextures = new aiTexture *[scene->mNumTextures];
|
|
memset(scene->mTextures, 0, scene->mNumTextures * sizeof(aiTexture *));
|
|
for (unsigned int i = 0; i < scene->mNumTextures; ++i) {
|
|
scene->mTextures[i] = new aiTexture();
|
|
ReadBinaryTexture(stream, scene->mTextures[i]);
|
|
}
|
|
}
|
|
|
|
// Read lights
|
|
if (scene->mNumLights) {
|
|
scene->mLights = new aiLight *[scene->mNumLights];
|
|
memset(scene->mLights, 0, scene->mNumLights * sizeof(aiLight *));
|
|
for (unsigned int i = 0; i < scene->mNumLights; ++i) {
|
|
scene->mLights[i] = new aiLight();
|
|
ReadBinaryLight(stream, scene->mLights[i]);
|
|
}
|
|
}
|
|
|
|
// Read cameras
|
|
if (scene->mNumCameras) {
|
|
scene->mCameras = new aiCamera *[scene->mNumCameras];
|
|
memset(scene->mCameras, 0, scene->mNumCameras * sizeof(aiCamera *));
|
|
for (unsigned int i = 0; i < scene->mNumCameras; ++i) {
|
|
scene->mCameras[i] = new aiCamera();
|
|
ReadBinaryCamera(stream, scene->mCameras[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------------
|
|
void AssbinImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) {
|
|
IOStream *stream = pIOHandler->Open(pFile, "rb");
|
|
if (nullptr == stream) {
|
|
throw DeadlyImportError("ASSBIN: Could not open ", pFile);
|
|
}
|
|
|
|
// signature
|
|
stream->Seek(44, aiOrigin_CUR);
|
|
|
|
unsigned int versionMajor = Read<unsigned int>(stream);
|
|
unsigned int versionMinor = Read<unsigned int>(stream);
|
|
if (versionMinor != ASSBIN_VERSION_MINOR || versionMajor != ASSBIN_VERSION_MAJOR) {
|
|
throw DeadlyImportError("Invalid version, data format not compatible!");
|
|
}
|
|
|
|
/*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;
|
|
|
|
if (shortened)
|
|
throw DeadlyImportError("Shortened binaries are not supported!");
|
|
|
|
stream->Seek(256, aiOrigin_CUR); // original filename
|
|
stream->Seek(128, aiOrigin_CUR); // options
|
|
stream->Seek(64, aiOrigin_CUR); // padding
|
|
|
|
if (compressed) {
|
|
uLongf uncompressedSize = Read<uint32_t>(stream);
|
|
uLongf compressedSize = static_cast<uLongf>(stream->FileSize() - stream->Tell());
|
|
|
|
unsigned char *compressedData = new unsigned char[compressedSize];
|
|
size_t len = stream->Read(compressedData, 1, compressedSize);
|
|
ai_assert(len == compressedSize);
|
|
|
|
unsigned char *uncompressedData = new unsigned char[uncompressedSize];
|
|
|
|
int res = uncompress(uncompressedData, &uncompressedSize, compressedData, (uLong)len);
|
|
if (res != Z_OK) {
|
|
delete[] uncompressedData;
|
|
delete[] compressedData;
|
|
pIOHandler->Close(stream);
|
|
throw DeadlyImportError("Zlib decompression failed.");
|
|
}
|
|
|
|
MemoryIOStream io(uncompressedData, uncompressedSize);
|
|
|
|
ReadBinaryScene(&io, pScene);
|
|
|
|
delete[] uncompressedData;
|
|
delete[] compressedData;
|
|
} else {
|
|
ReadBinaryScene(stream, pScene);
|
|
}
|
|
|
|
pIOHandler->Close(stream);
|
|
}
|
|
|
|
#endif // !! ASSIMP_BUILD_NO_ASSBIN_IMPORTER
|