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Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/IQM/IQMImporter.cpp')
| -rw-r--r-- | src/mesh/assimp-master/code/AssetLib/IQM/IQMImporter.cpp | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/IQM/IQMImporter.cpp b/src/mesh/assimp-master/code/AssetLib/IQM/IQMImporter.cpp deleted file mode 100644 index 2bea66c..0000000 --- a/src/mesh/assimp-master/code/AssetLib/IQM/IQMImporter.cpp +++ /dev/null @@ -1,322 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2021, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -#ifndef ASSIMP_BUILD_NO_IQM_IMPORTER - -#include <assimp/DefaultIOSystem.h> -#include <assimp/IOStreamBuffer.h> -#include <assimp/ai_assert.h> -#include <assimp/importerdesc.h> -#include <assimp/scene.h> -#include <assimp/DefaultLogger.hpp> -#include <assimp/Importer.hpp> -#include <assimp/ByteSwapper.h> -#include <memory> -#include <numeric> - -#include "IQMImporter.h" -#include "iqm.h" - -// RESOURCES: -// http://sauerbraten.org/iqm/ -// https://github.com/lsalzman/iqm - - -inline void swap_block( uint32_t *block, size_t size ){ - (void)block; // suppress 'unreferenced formal parameter' MSVC warning - size >>= 2; - for ( size_t i = 0; i < size; ++i ) - AI_SWAP4( block[ i ] ); -} - -static const aiImporterDesc desc = { - "Inter-Quake Model Importer", - "", - "", - "", - aiImporterFlags_SupportBinaryFlavour, - 0, - 0, - 0, - 0, - "iqm" -}; - -namespace Assimp { - -// ------------------------------------------------------------------------------------------------ -// Default constructor -IQMImporter::IQMImporter() : - mScene(nullptr) { - // empty -} - -// ------------------------------------------------------------------------------------------------ -// Returns true, if file is a binary Inter-Quake Model file. -bool IQMImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const { - const std::string extension = GetExtension(pFile); - - if (extension == "iqm") - return true; - else if (!extension.length() || checkSig) { - if (!pIOHandler) { - return true; - } - /* - * don't use CheckMagicToken because that checks with swapped bytes too, leading to false - * positives. This magic is not uint32_t, but char[4], so memcmp is the best way - - const char* tokens[] = {"3DMO", "3dmo"}; - return CheckMagicToken(pIOHandler,pFile,tokens,2,0,4); - */ - std::unique_ptr<IOStream> pStream(pIOHandler->Open(pFile, "rb")); - unsigned char data[15]; - if (!pStream || 15 != pStream->Read(data, 1, 15)) { - return false; - } - return !memcmp(data, "INTERQUAKEMODEL", 15); - } - return false; -} - -// ------------------------------------------------------------------------------------------------ -const aiImporterDesc *IQMImporter::GetInfo() const { - return &desc; -} - -// ------------------------------------------------------------------------------------------------ -// Model 3D import implementation -void IQMImporter::InternReadFile(const std::string &file, aiScene *pScene, IOSystem *pIOHandler) { - // Read file into memory - std::unique_ptr<IOStream> pStream(pIOHandler->Open(file, "rb")); - if (!pStream.get()) { - throw DeadlyImportError("Failed to open file ", file, "."); - } - - // Get the file-size and validate it, throwing an exception when fails - const size_t fileSize = pStream->FileSize(); - if (fileSize < sizeof( iqmheader )) { - throw DeadlyImportError("IQM-file ", file, " is too small."); - } - std::vector<unsigned char> buffer(fileSize); - unsigned char *data = buffer.data(); - if (fileSize != pStream->Read(data, 1, fileSize)) { - throw DeadlyImportError("Failed to read the file ", file, "."); - } - - // get header - iqmheader &hdr = reinterpret_cast<iqmheader&>( *data ); - swap_block( &hdr.version, sizeof( iqmheader ) - sizeof( iqmheader::magic ) ); - - // extra check for header - if (memcmp(data, IQM_MAGIC, sizeof( IQM_MAGIC ) ) - || hdr.version != IQM_VERSION - || hdr.filesize != fileSize) { - throw DeadlyImportError("Bad binary header in file ", file, "."); - } - - ASSIMP_LOG_DEBUG("IQM: loading ", file); - - // create the root node - pScene->mRootNode = new aiNode( "<IQMRoot>" ); - // Now rotate the whole scene 90 degrees around the x axis to convert to internal coordinate system - pScene->mRootNode->mTransformation = aiMatrix4x4( - 1.f, 0.f, 0.f, 0.f, - 0.f, 0.f, 1.f, 0.f, - 0.f, -1.f, 0.f, 0.f, - 0.f, 0.f, 0.f, 1.f); - pScene->mRootNode->mNumMeshes = hdr.num_meshes; - pScene->mRootNode->mMeshes = new unsigned int[hdr.num_meshes]; - std::iota( pScene->mRootNode->mMeshes, pScene->mRootNode->mMeshes + pScene->mRootNode->mNumMeshes, 0 ); - - mScene = pScene; - - // Allocate output storage - pScene->mNumMeshes = 0; - pScene->mMeshes = new aiMesh *[hdr.num_meshes](); // Set arrays to zero to ensue proper destruction if an exception is raised - - pScene->mNumMaterials = 0; - pScene->mMaterials = new aiMaterial *[hdr.num_meshes](); - - // swap vertex arrays beforehand... - for( auto array = reinterpret_cast<iqmvertexarray*>( data + hdr.ofs_vertexarrays ), end = array + hdr.num_vertexarrays; array != end; ++array ) - { - swap_block( &array->type, sizeof( iqmvertexarray ) ); - } - - // Read all surfaces from the file - for( auto imesh = reinterpret_cast<iqmmesh*>( data + hdr.ofs_meshes ), end_ = imesh + hdr.num_meshes; imesh != end_; ++imesh ) - { - swap_block( &imesh->name, sizeof( iqmmesh ) ); - // Allocate output mesh & material - auto mesh = pScene->mMeshes[pScene->mNumMeshes++] = new aiMesh(); - mesh->mMaterialIndex = pScene->mNumMaterials; - auto mat = pScene->mMaterials[pScene->mNumMaterials++] = new aiMaterial(); - - { - auto text = reinterpret_cast<char*>( data + hdr.ofs_text ); - aiString name( text + imesh->material ); - mat->AddProperty( &name, AI_MATKEY_NAME ); - mat->AddProperty( &name, AI_MATKEY_TEXTURE_DIFFUSE(0) ); - } - - // Fill mesh information - mesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE; - mesh->mNumFaces = 0; - mesh->mFaces = new aiFace[imesh->num_triangles]; - - // Fill in all triangles - for( auto tri = reinterpret_cast<iqmtriangle*>( data + hdr.ofs_triangles ) + imesh->first_triangle, end = tri + imesh->num_triangles; tri != end; ++tri ) - { - swap_block( tri->vertex, sizeof( tri->vertex ) ); - auto& face = mesh->mFaces[mesh->mNumFaces++]; - face.mNumIndices = 3; - face.mIndices = new unsigned int[3]{ tri->vertex[0] - imesh->first_vertex, - tri->vertex[2] - imesh->first_vertex, - tri->vertex[1] - imesh->first_vertex }; - } - - // Fill in all vertices - for( auto array = reinterpret_cast<const iqmvertexarray*>( data + hdr.ofs_vertexarrays ), end__ = array + hdr.num_vertexarrays; array != end__; ++array ) - { - const unsigned int nVerts = imesh->num_vertexes; - const unsigned int step = array->size; - - switch ( array->type ) - { - case IQM_POSITION: - if( array->format == IQM_FLOAT && step >= 3 ){ - mesh->mNumVertices = nVerts; - auto v = mesh->mVertices = new aiVector3D[nVerts]; - for( auto f = reinterpret_cast<const float*>( data + array->offset ) + imesh->first_vertex * step, - end = f + nVerts * step; f != end; f += step, ++v ) - { - *v = { AI_BE( f[0] ), - AI_BE( f[1] ), - AI_BE( f[2] ) }; - } - } - break; - case IQM_TEXCOORD: - if( array->format == IQM_FLOAT && step >= 2) - { - auto v = mesh->mTextureCoords[0] = new aiVector3D[nVerts]; - mesh->mNumUVComponents[0] = 2; - for( auto f = reinterpret_cast<const float*>( data + array->offset ) + imesh->first_vertex * step, - end = f + nVerts * step; f != end; f += step, ++v ) - { - *v = { AI_BE( f[0] ), - 1 - AI_BE( f[1] ), 0 }; - } - } - break; - case IQM_NORMAL: - if (array->format == IQM_FLOAT && step >= 3) - { - auto v = mesh->mNormals = new aiVector3D[nVerts]; - for( auto f = reinterpret_cast<const float*>( data + array->offset ) + imesh->first_vertex * step, - end = f + nVerts * step; f != end; f += step, ++v ) - { - *v = { AI_BE( f[0] ), - AI_BE( f[1] ), - AI_BE( f[2] ) }; - } - } - break; - case IQM_COLOR: - if (array->format == IQM_UBYTE && step >= 3) - { - auto v = mesh->mColors[0] = new aiColor4D[nVerts]; - for( auto f = ( data + array->offset ) + imesh->first_vertex * step, - end = f + nVerts * step; f != end; f += step, ++v ) - { - *v = { ( f[0] ) / 255.f, - ( f[1] ) / 255.f, - ( f[2] ) / 255.f, - step == 3? 1 : ( f[3] ) / 255.f }; - } - } - else if (array->format == IQM_FLOAT && step >= 3) - { - auto v = mesh->mColors[0] = new aiColor4D[nVerts]; - for( auto f = reinterpret_cast<const float*>( data + array->offset ) + imesh->first_vertex * step, - end = f + nVerts * step; f != end; f += step, ++v ) - { - *v = { AI_BE( f[0] ), - AI_BE( f[1] ), - AI_BE( f[2] ), - step == 3? 1 : AI_BE( f[3] ) }; - } - } - break; - case IQM_TANGENT: -#if 0 - if (array->format == IQM_FLOAT && step >= 3) - { - auto v = mesh->mTangents = new aiVector3D[nVerts]; - for( auto f = reinterpret_cast<const float*>( data + array->offset ) + imesh->first_vertex * step, - end = f + nVerts * step; f != end; f += step, ++v ) - { - *v = { AI_BE( f[0] ), - AI_BE( f[1] ), - AI_BE( f[2] ) }; - } - } -#endif - break; - case IQM_BLENDINDEXES: - case IQM_BLENDWEIGHTS: - case IQM_CUSTOM: - break; // these attributes are not relevant. - - default: - break; - } - } - } -} - - -// ------------------------------------------------------------------------------------------------ - -} // Namespace Assimp - -#endif // !! ASSIMP_BUILD_NO_IQM_IMPORTER |