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Diffstat (limited to 'src/3rdparty/assimp/code/MDLLoader.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/MDLLoader.cpp | 1972 |
1 files changed, 0 insertions, 1972 deletions
diff --git a/src/3rdparty/assimp/code/MDLLoader.cpp b/src/3rdparty/assimp/code/MDLLoader.cpp deleted file mode 100644 index 2025d79b3..000000000 --- a/src/3rdparty/assimp/code/MDLLoader.cpp +++ /dev/null @@ -1,1972 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (assimp) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2017, 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. ---------------------------------------------------------------------------- -*/ - -/** @file MDLLoader.cpp - * @brief Implementation of the main parts of the MDL importer class - * *TODO* Cleanup and further testing of some parts necessary - */ - -// internal headers - -#ifndef ASSIMP_BUILD_NO_MDL_IMPORTER - -#include "MDLLoader.h" -#include "Macros.h" -#include "qnan.h" -#include "MDLDefaultColorMap.h" -#include "MD2FileData.h" -#include "StringUtils.h" -#include <assimp/Importer.hpp> -#include <assimp/IOSystem.hpp> -#include <assimp/scene.h> -#include <assimp/DefaultLogger.hpp> -#include <assimp/importerdesc.h> - -#include <memory> - -using namespace Assimp; - -static const aiImporterDesc desc = { - "Quake Mesh / 3D GameStudio Mesh Importer", - "", - "", - "", - aiImporterFlags_SupportBinaryFlavour, - 0, - 0, - 7, - 0, - "mdl" -}; - -// ------------------------------------------------------------------------------------------------ -// Ugly stuff ... nevermind -#define _AI_MDL7_ACCESS(_data, _index, _limit, _type) \ - (*((const _type*)(((const char*)_data) + _index * _limit))) - -#define _AI_MDL7_ACCESS_PTR(_data, _index, _limit, _type) \ - ((BE_NCONST _type*)(((const char*)_data) + _index * _limit)) - -#define _AI_MDL7_ACCESS_VERT(_data, _index, _limit) \ - _AI_MDL7_ACCESS(_data,_index,_limit,MDL::Vertex_MDL7) - -// ------------------------------------------------------------------------------------------------ -// Constructor to be privately used by Importer -MDLImporter::MDLImporter() - : configFrameID(), - mBuffer(), - iGSFileVersion(), - pIOHandler(), - pScene(), - iFileSize() -{} - -// ------------------------------------------------------------------------------------------------ -// Destructor, private as well -MDLImporter::~MDLImporter() -{} - -// ------------------------------------------------------------------------------------------------ -// Returns whether the class can handle the format of the given file. -bool MDLImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const -{ - const std::string extension = GetExtension(pFile); - - // if check for extension is not enough, check for the magic tokens - if (extension == "mdl" || !extension.length() || checkSig) { - uint32_t tokens[8]; - tokens[0] = AI_MDL_MAGIC_NUMBER_LE_HL2a; - tokens[1] = AI_MDL_MAGIC_NUMBER_LE_HL2b; - tokens[2] = AI_MDL_MAGIC_NUMBER_LE_GS7; - tokens[3] = AI_MDL_MAGIC_NUMBER_LE_GS5b; - tokens[4] = AI_MDL_MAGIC_NUMBER_LE_GS5a; - tokens[5] = AI_MDL_MAGIC_NUMBER_LE_GS4; - tokens[6] = AI_MDL_MAGIC_NUMBER_LE_GS3; - tokens[7] = AI_MDL_MAGIC_NUMBER_LE; - return CheckMagicToken(pIOHandler,pFile,tokens,8,0); - } - return false; -} - -// ------------------------------------------------------------------------------------------------ -// Setup configuration properties -void MDLImporter::SetupProperties(const Importer* pImp) -{ - configFrameID = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_MDL_KEYFRAME,-1); - - // The - // AI_CONFIG_IMPORT_MDL_KEYFRAME option overrides the - // AI_CONFIG_IMPORT_GLOBAL_KEYFRAME option. - if(static_cast<unsigned int>(-1) == configFrameID) { - configFrameID = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_GLOBAL_KEYFRAME,0); - } - - // AI_CONFIG_IMPORT_MDL_COLORMAP - pallette file - configPalette = pImp->GetPropertyString(AI_CONFIG_IMPORT_MDL_COLORMAP,"colormap.lmp"); -} - -// ------------------------------------------------------------------------------------------------ -// Get a list of all supported extensions -const aiImporterDesc* MDLImporter::GetInfo () const -{ - return &desc; -} - -// ------------------------------------------------------------------------------------------------ -// Imports the given file into the given scene structure. -void MDLImporter::InternReadFile( const std::string& pFile, - aiScene* _pScene, IOSystem* _pIOHandler) -{ - pScene = _pScene; - pIOHandler = _pIOHandler; - std::unique_ptr<IOStream> file( pIOHandler->Open( pFile)); - - // Check whether we can read from the file - if( file.get() == NULL) { - throw DeadlyImportError( "Failed to open MDL file " + pFile + "."); - } - - // This should work for all other types of MDL files, too ... - // the quake header is one of the smallest, afaik - iFileSize = (unsigned int)file->FileSize(); - if( iFileSize < sizeof(MDL::Header)) { - throw DeadlyImportError( "MDL File is too small."); - } - - // Allocate storage and copy the contents of the file to a memory buffer - mBuffer =new unsigned char[iFileSize+1]; - file->Read( (void*)mBuffer, 1, iFileSize); - - // Append a binary zero to the end of the buffer. - // this is just for safety that string parsing routines - // find the end of the buffer ... - mBuffer[iFileSize] = '\0'; - const uint32_t iMagicWord = *((uint32_t*)mBuffer); - - // Determine the file subtype and call the appropriate member function - - // Original Quake1 format - if (AI_MDL_MAGIC_NUMBER_BE == iMagicWord || AI_MDL_MAGIC_NUMBER_LE == iMagicWord) { - DefaultLogger::get()->debug("MDL subtype: Quake 1, magic word is IDPO"); - iGSFileVersion = 0; - InternReadFile_Quake1(); - } - // GameStudio A<old> MDL2 format - used by some test models that come with 3DGS - else if (AI_MDL_MAGIC_NUMBER_BE_GS3 == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS3 == iMagicWord) { - DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A2, magic word is MDL2"); - iGSFileVersion = 2; - InternReadFile_Quake1(); - } - // GameStudio A4 MDL3 format - else if (AI_MDL_MAGIC_NUMBER_BE_GS4 == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS4 == iMagicWord) { - DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A4, magic word is MDL3"); - iGSFileVersion = 3; - InternReadFile_3DGS_MDL345(); - } - // GameStudio A5+ MDL4 format - else if (AI_MDL_MAGIC_NUMBER_BE_GS5a == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS5a == iMagicWord) { - DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A4, magic word is MDL4"); - iGSFileVersion = 4; - InternReadFile_3DGS_MDL345(); - } - // GameStudio A5+ MDL5 format - else if (AI_MDL_MAGIC_NUMBER_BE_GS5b == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS5b == iMagicWord) { - DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A5, magic word is MDL5"); - iGSFileVersion = 5; - InternReadFile_3DGS_MDL345(); - } - // GameStudio A7 MDL7 format - else if (AI_MDL_MAGIC_NUMBER_BE_GS7 == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS7 == iMagicWord) { - DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A7, magic word is MDL7"); - iGSFileVersion = 7; - InternReadFile_3DGS_MDL7(); - } - // IDST/IDSQ Format (CS:S/HL^2, etc ...) - else if (AI_MDL_MAGIC_NUMBER_BE_HL2a == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2a == iMagicWord || - AI_MDL_MAGIC_NUMBER_BE_HL2b == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2b == iMagicWord) - { - DefaultLogger::get()->debug("MDL subtype: Source(tm) Engine, magic word is IDST/IDSQ"); - iGSFileVersion = 0; - InternReadFile_HL2(); - } - else { - // print the magic word to the log file - throw DeadlyImportError( "Unknown MDL subformat " + pFile + - ". Magic word (" + std::string((char*)&iMagicWord,4) + ") is not known"); - } - - // 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); - - // delete the file buffer and cleanup - delete [] mBuffer; - mBuffer= nullptr; - AI_DEBUG_INVALIDATE_PTR(pIOHandler); - AI_DEBUG_INVALIDATE_PTR(pScene); -} - -// ------------------------------------------------------------------------------------------------ -// Check whether we're still inside the valid file range -void MDLImporter::SizeCheck(const void* szPos) -{ - if (!szPos || (const unsigned char*)szPos > this->mBuffer + this->iFileSize) - { - throw DeadlyImportError("Invalid MDL file. The file is too small " - "or contains invalid data."); - } -} - -// ------------------------------------------------------------------------------------------------ -// Just for debgging purposes -void MDLImporter::SizeCheck(const void* szPos, const char* szFile, unsigned int iLine) -{ - ai_assert(NULL != szFile); - if (!szPos || (const unsigned char*)szPos > mBuffer + iFileSize) - { - // remove a directory if there is one - const char* szFilePtr = ::strrchr(szFile,'\\'); - if (!szFilePtr) { - if(!(szFilePtr = ::strrchr(szFile,'/'))) - szFilePtr = szFile; - } - if (szFilePtr)++szFilePtr; - - char szBuffer[1024]; - ::sprintf(szBuffer,"Invalid MDL file. The file is too small " - "or contains invalid data (File: %s Line: %u)",szFilePtr,iLine); - - throw DeadlyImportError(szBuffer); - } -} - -// ------------------------------------------------------------------------------------------------ -// Validate a quake file header -void MDLImporter::ValidateHeader_Quake1(const MDL::Header* pcHeader) -{ - // some values may not be NULL - if (!pcHeader->num_frames) - throw DeadlyImportError( "[Quake 1 MDL] There are no frames in the file"); - - if (!pcHeader->num_verts) - throw DeadlyImportError( "[Quake 1 MDL] There are no vertices in the file"); - - if (!pcHeader->num_tris) - throw DeadlyImportError( "[Quake 1 MDL] There are no triangles in the file"); - - // check whether the maxima are exceeded ...however, this applies for Quake 1 MDLs only - if (!this->iGSFileVersion) - { - if (pcHeader->num_verts > AI_MDL_MAX_VERTS) - DefaultLogger::get()->warn("Quake 1 MDL model has more than AI_MDL_MAX_VERTS vertices"); - - if (pcHeader->num_tris > AI_MDL_MAX_TRIANGLES) - DefaultLogger::get()->warn("Quake 1 MDL model has more than AI_MDL_MAX_TRIANGLES triangles"); - - if (pcHeader->num_frames > AI_MDL_MAX_FRAMES) - DefaultLogger::get()->warn("Quake 1 MDL model has more than AI_MDL_MAX_FRAMES frames"); - - // (this does not apply for 3DGS MDLs) - if (!this->iGSFileVersion && pcHeader->version != AI_MDL_VERSION) - DefaultLogger::get()->warn("Quake 1 MDL model has an unknown version: AI_MDL_VERSION (=6) is " - "the expected file format version"); - if(pcHeader->num_skins && (!pcHeader->skinwidth || !pcHeader->skinheight)) - DefaultLogger::get()->warn("Skin width or height are 0"); - } -} - -#ifdef AI_BUILD_BIG_ENDIAN -// ------------------------------------------------------------------------------------------------ -void FlipQuakeHeader(BE_NCONST MDL::Header* pcHeader) -{ - AI_SWAP4( pcHeader->ident); - AI_SWAP4( pcHeader->version); - AI_SWAP4( pcHeader->boundingradius); - AI_SWAP4( pcHeader->flags); - AI_SWAP4( pcHeader->num_frames); - AI_SWAP4( pcHeader->num_skins); - AI_SWAP4( pcHeader->num_tris); - AI_SWAP4( pcHeader->num_verts); - for (unsigned int i = 0; i < 3;++i) - { - AI_SWAP4( pcHeader->scale[i]); - AI_SWAP4( pcHeader->translate[i]); - } - AI_SWAP4( pcHeader->size); - AI_SWAP4( pcHeader->skinheight); - AI_SWAP4( pcHeader->skinwidth); - AI_SWAP4( pcHeader->synctype); -} -#endif - -// ------------------------------------------------------------------------------------------------ -// Read a Quake 1 file -void MDLImporter::InternReadFile_Quake1( ) -{ - ai_assert(NULL != pScene); - BE_NCONST MDL::Header *pcHeader = (BE_NCONST MDL::Header*)this->mBuffer; - -#ifdef AI_BUILD_BIG_ENDIAN - FlipQuakeHeader(pcHeader); -#endif - - ValidateHeader_Quake1(pcHeader); - - // current cursor position in the file - const unsigned char* szCurrent = (const unsigned char*)(pcHeader+1); - - // need to read all textures - for (unsigned int i = 0; i < (unsigned int)pcHeader->num_skins;++i) - { - union{BE_NCONST MDL::Skin* pcSkin;BE_NCONST MDL::GroupSkin* pcGroupSkin;}; - if (szCurrent + sizeof(MDL::Skin) > this->mBuffer + this->iFileSize) { - throw DeadlyImportError("[Quake 1 MDL] Unexpected EOF"); - } - pcSkin = (BE_NCONST MDL::Skin*)szCurrent; - - AI_SWAP4( pcSkin->group ); - - // Quake 1 groupskins - if (1 == pcSkin->group) - { - AI_SWAP4( pcGroupSkin->nb ); - - // need to skip multiple images - const unsigned int iNumImages = (unsigned int)pcGroupSkin->nb; - szCurrent += sizeof(uint32_t) * 2; - - if (0 != iNumImages) - { - if (!i) { - // however, create only one output image (the first) - this->CreateTextureARGB8_3DGS_MDL3(szCurrent + iNumImages * sizeof(float)); - } - // go to the end of the skin section / the beginning of the next skin - szCurrent += pcHeader->skinheight * pcHeader->skinwidth + - sizeof(float) * iNumImages; - } - } - // 3DGS has a few files that are using other 3DGS like texture formats here - else - { - szCurrent += sizeof(uint32_t); - unsigned int iSkip = i ? UINT_MAX : 0; - CreateTexture_3DGS_MDL4(szCurrent,pcSkin->group,&iSkip); - szCurrent += iSkip; - } - } - // get a pointer to the texture coordinates - BE_NCONST MDL::TexCoord* pcTexCoords = (BE_NCONST MDL::TexCoord*)szCurrent; - szCurrent += sizeof(MDL::TexCoord) * pcHeader->num_verts; - - // get a pointer to the triangles - BE_NCONST MDL::Triangle* pcTriangles = (BE_NCONST MDL::Triangle*)szCurrent; - szCurrent += sizeof(MDL::Triangle) * pcHeader->num_tris; - VALIDATE_FILE_SIZE(szCurrent); - - // now get a pointer to the first frame in the file - BE_NCONST MDL::Frame* pcFrames = (BE_NCONST MDL::Frame*)szCurrent; - BE_NCONST MDL::SimpleFrame* pcFirstFrame; - - if (0 == pcFrames->type) - { - // get address of single frame - pcFirstFrame = &pcFrames->frame; - } - else - { - // get the first frame in the group - BE_NCONST MDL::GroupFrame* pcFrames2 = (BE_NCONST MDL::GroupFrame*)pcFrames; - pcFirstFrame = (BE_NCONST MDL::SimpleFrame*)(&pcFrames2->time + pcFrames->type); - } - BE_NCONST MDL::Vertex* pcVertices = (BE_NCONST MDL::Vertex*) ((pcFirstFrame->name) + sizeof(pcFirstFrame->name)); - VALIDATE_FILE_SIZE((const unsigned char*)(pcVertices + pcHeader->num_verts)); - -#ifdef AI_BUILD_BIG_ENDIAN - for (int i = 0; i<pcHeader->num_verts;++i) - { - AI_SWAP4( pcTexCoords[i].onseam ); - AI_SWAP4( pcTexCoords[i].s ); - AI_SWAP4( pcTexCoords[i].t ); - } - - for (int i = 0; i<pcHeader->num_tris;++i) - { - AI_SWAP4( pcTriangles[i].facesfront); - AI_SWAP4( pcTriangles[i].vertex[0]); - AI_SWAP4( pcTriangles[i].vertex[1]); - AI_SWAP4( pcTriangles[i].vertex[2]); - } -#endif - - // setup materials - SetupMaterialProperties_3DGS_MDL5_Quake1(); - - // allocate enough storage to hold all vertices and triangles - aiMesh* pcMesh = new aiMesh(); - - pcMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE; - pcMesh->mNumVertices = pcHeader->num_tris * 3; - pcMesh->mNumFaces = pcHeader->num_tris; - pcMesh->mVertices = new aiVector3D[pcMesh->mNumVertices]; - pcMesh->mTextureCoords[0] = new aiVector3D[pcMesh->mNumVertices]; - pcMesh->mFaces = new aiFace[pcMesh->mNumFaces]; - pcMesh->mNormals = new aiVector3D[pcMesh->mNumVertices]; - pcMesh->mNumUVComponents[0] = 2; - - // there won't be more than one mesh inside the file - pScene->mRootNode = new aiNode(); - pScene->mRootNode->mNumMeshes = 1; - pScene->mRootNode->mMeshes = new unsigned int[1]; - pScene->mRootNode->mMeshes[0] = 0; - pScene->mNumMeshes = 1; - pScene->mMeshes = new aiMesh*[1]; - pScene->mMeshes[0] = pcMesh; - - // now iterate through all triangles - unsigned int iCurrent = 0; - for (unsigned int i = 0; i < (unsigned int) pcHeader->num_tris;++i) - { - pcMesh->mFaces[i].mIndices = new unsigned int[3]; - pcMesh->mFaces[i].mNumIndices = 3; - - unsigned int iTemp = iCurrent; - for (unsigned int c = 0; c < 3;++c,++iCurrent) - { - pcMesh->mFaces[i].mIndices[c] = iCurrent; - - // read vertices - unsigned int iIndex = pcTriangles->vertex[c]; - if (iIndex >= (unsigned int)pcHeader->num_verts) - { - iIndex = pcHeader->num_verts-1; - DefaultLogger::get()->warn("Index overflow in Q1-MDL vertex list."); - } - - aiVector3D& vec = pcMesh->mVertices[iCurrent]; - vec.x = (float)pcVertices[iIndex].v[0] * pcHeader->scale[0]; - vec.x += pcHeader->translate[0]; - - vec.y = (float)pcVertices[iIndex].v[1] * pcHeader->scale[1]; - vec.y += pcHeader->translate[1]; - //vec.y *= -1.0f; - - vec.z = (float)pcVertices[iIndex].v[2] * pcHeader->scale[2]; - vec.z += pcHeader->translate[2]; - - // read the normal vector from the precalculated normal table - MD2::LookupNormalIndex(pcVertices[iIndex].normalIndex,pcMesh->mNormals[iCurrent]); - //pcMesh->mNormals[iCurrent].y *= -1.0f; - - // read texture coordinates - float s = (float)pcTexCoords[iIndex].s; - float t = (float)pcTexCoords[iIndex].t; - - // translate texture coordinates - if (0 == pcTriangles->facesfront && 0 != pcTexCoords[iIndex].onseam) { - s += pcHeader->skinwidth * 0.5f; - } - - // Scale s and t to range from 0.0 to 1.0 - pcMesh->mTextureCoords[0][iCurrent].x = (s + 0.5f) / pcHeader->skinwidth; - pcMesh->mTextureCoords[0][iCurrent].y = 1.0f-(t + 0.5f) / pcHeader->skinheight; - - } - pcMesh->mFaces[i].mIndices[0] = iTemp+2; - pcMesh->mFaces[i].mIndices[1] = iTemp+1; - pcMesh->mFaces[i].mIndices[2] = iTemp+0; - pcTriangles++; - } - return; -} - -// ------------------------------------------------------------------------------------------------ -// Setup material properties for Quake and older GameStudio files -void MDLImporter::SetupMaterialProperties_3DGS_MDL5_Quake1( ) -{ - const MDL::Header* const pcHeader = (const MDL::Header*)this->mBuffer; - - // allocate ONE material - pScene->mMaterials = new aiMaterial*[1]; - pScene->mMaterials[0] = new aiMaterial(); - pScene->mNumMaterials = 1; - - // setup the material's properties - const int iMode = (int)aiShadingMode_Gouraud; - aiMaterial* const pcHelper = (aiMaterial*)pScene->mMaterials[0]; - pcHelper->AddProperty<int>(&iMode, 1, AI_MATKEY_SHADING_MODEL); - - aiColor4D clr; - if (0 != pcHeader->num_skins && pScene->mNumTextures) { - // can we replace the texture with a single color? - clr = this->ReplaceTextureWithColor(pScene->mTextures[0]); - if (is_not_qnan(clr.r)) { - delete pScene->mTextures[0]; - delete[] pScene->mTextures; - - pScene->mTextures = NULL; - pScene->mNumTextures = 0; - } - else { - clr.b = clr.a = clr.g = clr.r = 1.0f; - aiString szString; - ::memcpy(szString.data,AI_MAKE_EMBEDDED_TEXNAME(0),3); - szString.length = 2; - pcHelper->AddProperty(&szString,AI_MATKEY_TEXTURE_DIFFUSE(0)); - } - } - - pcHelper->AddProperty<aiColor4D>(&clr, 1,AI_MATKEY_COLOR_DIFFUSE); - pcHelper->AddProperty<aiColor4D>(&clr, 1,AI_MATKEY_COLOR_SPECULAR); - - clr.r *= 0.05f;clr.g *= 0.05f; - clr.b *= 0.05f;clr.a = 1.0f; - pcHelper->AddProperty<aiColor4D>(&clr, 1,AI_MATKEY_COLOR_AMBIENT); -} - -// ------------------------------------------------------------------------------------------------ -// Read a MDL 3,4,5 file -void MDLImporter::InternReadFile_3DGS_MDL345( ) -{ - ai_assert(NULL != pScene); - - // the header of MDL 3/4/5 is nearly identical to the original Quake1 header - BE_NCONST MDL::Header *pcHeader = (BE_NCONST MDL::Header*)this->mBuffer; -#ifdef AI_BUILD_BIG_ENDIAN - FlipQuakeHeader(pcHeader); -#endif - ValidateHeader_Quake1(pcHeader); - - // current cursor position in the file - const unsigned char* szCurrent = (const unsigned char*)(pcHeader+1); - const unsigned char* szEnd = mBuffer + iFileSize; - - // need to read all textures - for (unsigned int i = 0; i < (unsigned int)pcHeader->num_skins;++i) { - if (szCurrent >= szEnd) { - throw DeadlyImportError( "Texture data past end of file."); - } - BE_NCONST MDL::Skin* pcSkin; - pcSkin = (BE_NCONST MDL::Skin*)szCurrent; - AI_SWAP4( pcSkin->group); - // create one output image - unsigned int iSkip = i ? UINT_MAX : 0; - if (5 <= iGSFileVersion) - { - // MDL5 format could contain MIPmaps - CreateTexture_3DGS_MDL5((unsigned char*)pcSkin + sizeof(uint32_t), - pcSkin->group,&iSkip); - } - else { - CreateTexture_3DGS_MDL4((unsigned char*)pcSkin + sizeof(uint32_t), - pcSkin->group,&iSkip); - } - // need to skip one image - szCurrent += iSkip + sizeof(uint32_t); - - } - // get a pointer to the texture coordinates - BE_NCONST MDL::TexCoord_MDL3* pcTexCoords = (BE_NCONST MDL::TexCoord_MDL3*)szCurrent; - szCurrent += sizeof(MDL::TexCoord_MDL3) * pcHeader->synctype; - - // NOTE: for MDLn formats "synctype" corresponds to the number of UV coords - - // get a pointer to the triangles - BE_NCONST MDL::Triangle_MDL3* pcTriangles = (BE_NCONST MDL::Triangle_MDL3*)szCurrent; - szCurrent += sizeof(MDL::Triangle_MDL3) * pcHeader->num_tris; - -#ifdef AI_BUILD_BIG_ENDIAN - - for (int i = 0; i<pcHeader->synctype;++i) { - AI_SWAP2( pcTexCoords[i].u ); - AI_SWAP2( pcTexCoords[i].v ); - } - - for (int i = 0; i<pcHeader->num_tris;++i) { - AI_SWAP2( pcTriangles[i].index_xyz[0]); - AI_SWAP2( pcTriangles[i].index_xyz[1]); - AI_SWAP2( pcTriangles[i].index_xyz[2]); - AI_SWAP2( pcTriangles[i].index_uv[0]); - AI_SWAP2( pcTriangles[i].index_uv[1]); - AI_SWAP2( pcTriangles[i].index_uv[2]); - } - -#endif - - VALIDATE_FILE_SIZE(szCurrent); - - // setup materials - SetupMaterialProperties_3DGS_MDL5_Quake1(); - - // allocate enough storage to hold all vertices and triangles - aiMesh* pcMesh = new aiMesh(); - pcMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE; - - pcMesh->mNumVertices = pcHeader->num_tris * 3; - pcMesh->mNumFaces = pcHeader->num_tris; - pcMesh->mFaces = new aiFace[pcMesh->mNumFaces]; - - // there won't be more than one mesh inside the file - pScene->mRootNode = new aiNode(); - pScene->mRootNode->mNumMeshes = 1; - pScene->mRootNode->mMeshes = new unsigned int[1]; - pScene->mRootNode->mMeshes[0] = 0; - pScene->mNumMeshes = 1; - pScene->mMeshes = new aiMesh*[1]; - pScene->mMeshes[0] = pcMesh; - - // allocate output storage - pcMesh->mNumVertices = (unsigned int)pcHeader->num_tris*3; - pcMesh->mVertices = new aiVector3D[pcMesh->mNumVertices]; - pcMesh->mNormals = new aiVector3D[pcMesh->mNumVertices]; - - if (pcHeader->synctype) { - pcMesh->mTextureCoords[0] = new aiVector3D[pcMesh->mNumVertices]; - pcMesh->mNumUVComponents[0] = 2; - } - - // now get a pointer to the first frame in the file - BE_NCONST MDL::Frame* pcFrames = (BE_NCONST MDL::Frame*)szCurrent; - AI_SWAP4(pcFrames->type); - - // byte packed vertices - // FIXME: these two snippets below are almost identical ... join them? - ///////////////////////////////////////////////////////////////////////////////////// - if (0 == pcFrames->type || 3 >= this->iGSFileVersion) { - - const MDL::SimpleFrame* pcFirstFrame = (const MDL::SimpleFrame*)(szCurrent + sizeof(uint32_t)); - const MDL::Vertex* pcVertices = (const MDL::Vertex*) ((pcFirstFrame->name) + sizeof(pcFirstFrame->name)); - - VALIDATE_FILE_SIZE(pcVertices + pcHeader->num_verts); - - // now iterate through all triangles - unsigned int iCurrent = 0; - for (unsigned int i = 0; i < (unsigned int) pcHeader->num_tris;++i) { - pcMesh->mFaces[i].mIndices = new unsigned int[3]; - pcMesh->mFaces[i].mNumIndices = 3; - - unsigned int iTemp = iCurrent; - for (unsigned int c = 0; c < 3;++c,++iCurrent) { - // read vertices - unsigned int iIndex = pcTriangles->index_xyz[c]; - if (iIndex >= (unsigned int)pcHeader->num_verts) { - iIndex = pcHeader->num_verts-1; - DefaultLogger::get()->warn("Index overflow in MDLn vertex list"); - } - - aiVector3D& vec = pcMesh->mVertices[iCurrent]; - vec.x = (float)pcVertices[iIndex].v[0] * pcHeader->scale[0]; - vec.x += pcHeader->translate[0]; - - vec.y = (float)pcVertices[iIndex].v[1] * pcHeader->scale[1]; - vec.y += pcHeader->translate[1]; - // vec.y *= -1.0f; - - vec.z = (float)pcVertices[iIndex].v[2] * pcHeader->scale[2]; - vec.z += pcHeader->translate[2]; - - // read the normal vector from the precalculated normal table - MD2::LookupNormalIndex(pcVertices[iIndex].normalIndex,pcMesh->mNormals[iCurrent]); - // pcMesh->mNormals[iCurrent].y *= -1.0f; - - // read texture coordinates - if (pcHeader->synctype) { - ImportUVCoordinate_3DGS_MDL345(pcMesh->mTextureCoords[0][iCurrent], - pcTexCoords,pcTriangles->index_uv[c]); - } - } - pcMesh->mFaces[i].mIndices[0] = iTemp+2; - pcMesh->mFaces[i].mIndices[1] = iTemp+1; - pcMesh->mFaces[i].mIndices[2] = iTemp+0; - pcTriangles++; - } - - } - // short packed vertices - ///////////////////////////////////////////////////////////////////////////////////// - else { - // now get a pointer to the first frame in the file - const MDL::SimpleFrame_MDLn_SP* pcFirstFrame = (const MDL::SimpleFrame_MDLn_SP*) (szCurrent + sizeof(uint32_t)); - - // get a pointer to the vertices - const MDL::Vertex_MDL4* pcVertices = (const MDL::Vertex_MDL4*) ((pcFirstFrame->name) + - sizeof(pcFirstFrame->name)); - - VALIDATE_FILE_SIZE(pcVertices + pcHeader->num_verts); - - // now iterate through all triangles - unsigned int iCurrent = 0; - for (unsigned int i = 0; i < (unsigned int) pcHeader->num_tris;++i) { - pcMesh->mFaces[i].mIndices = new unsigned int[3]; - pcMesh->mFaces[i].mNumIndices = 3; - - unsigned int iTemp = iCurrent; - for (unsigned int c = 0; c < 3;++c,++iCurrent) { - // read vertices - unsigned int iIndex = pcTriangles->index_xyz[c]; - if (iIndex >= (unsigned int)pcHeader->num_verts) { - iIndex = pcHeader->num_verts-1; - DefaultLogger::get()->warn("Index overflow in MDLn vertex list"); - } - - aiVector3D& vec = pcMesh->mVertices[iCurrent]; - vec.x = (float)pcVertices[iIndex].v[0] * pcHeader->scale[0]; - vec.x += pcHeader->translate[0]; - - vec.y = (float)pcVertices[iIndex].v[1] * pcHeader->scale[1]; - vec.y += pcHeader->translate[1]; - // vec.y *= -1.0f; - - vec.z = (float)pcVertices[iIndex].v[2] * pcHeader->scale[2]; - vec.z += pcHeader->translate[2]; - - // read the normal vector from the precalculated normal table - MD2::LookupNormalIndex(pcVertices[iIndex].normalIndex,pcMesh->mNormals[iCurrent]); - // pcMesh->mNormals[iCurrent].y *= -1.0f; - - // read texture coordinates - if (pcHeader->synctype) { - ImportUVCoordinate_3DGS_MDL345(pcMesh->mTextureCoords[0][iCurrent], - pcTexCoords,pcTriangles->index_uv[c]); - } - } - pcMesh->mFaces[i].mIndices[0] = iTemp+2; - pcMesh->mFaces[i].mIndices[1] = iTemp+1; - pcMesh->mFaces[i].mIndices[2] = iTemp+0; - pcTriangles++; - } - } - - // For MDL5 we will need to build valid texture coordinates - // basing upon the file loaded (only support one file as skin) - if (0x5 == iGSFileVersion) - CalculateUVCoordinates_MDL5(); - return; -} - -// ------------------------------------------------------------------------------------------------ -// Get a single UV coordinate for Quake and older GameStudio files -void MDLImporter::ImportUVCoordinate_3DGS_MDL345( - aiVector3D& vOut, - const MDL::TexCoord_MDL3* pcSrc, - unsigned int iIndex) -{ - ai_assert(NULL != pcSrc); - const MDL::Header* const pcHeader = (const MDL::Header*)this->mBuffer; - - // validate UV indices - if (iIndex >= (unsigned int) pcHeader->synctype) { - iIndex = pcHeader->synctype-1; - DefaultLogger::get()->warn("Index overflow in MDLn UV coord list"); - } - - float s = (float)pcSrc[iIndex].u; - float t = (float)pcSrc[iIndex].v; - - // Scale s and t to range from 0.0 to 1.0 - if (0x5 != iGSFileVersion) { - s = (s + 0.5f) / pcHeader->skinwidth; - t = 1.0f-(t + 0.5f) / pcHeader->skinheight; - } - - vOut.x = s; - vOut.y = t; - vOut.z = 0.0f; -} - -// ------------------------------------------------------------------------------------------------ -// Compute UV coordinates for a MDL5 file -void MDLImporter::CalculateUVCoordinates_MDL5() -{ - const MDL::Header* const pcHeader = (const MDL::Header*)this->mBuffer; - if (pcHeader->num_skins && this->pScene->mNumTextures) { - const aiTexture* pcTex = this->pScene->mTextures[0]; - - // if the file is loaded in DDS format: get the size of the - // texture from the header of the DDS file - // skip three DWORDs and read first height, then the width - unsigned int iWidth, iHeight; - if (!pcTex->mHeight) { - const uint32_t* piPtr = (uint32_t*)pcTex->pcData; - - piPtr += 3; - iHeight = (unsigned int)*piPtr++; - iWidth = (unsigned int)*piPtr; - if (!iHeight || !iWidth) - { - DefaultLogger::get()->warn("Either the width or the height of the " - "embedded DDS texture is zero. Unable to compute final texture " - "coordinates. The texture coordinates remain in their original " - "0-x/0-y (x,y = texture size) range."); - iWidth = 1; - iHeight = 1; - } - } - else { - iWidth = pcTex->mWidth; - iHeight = pcTex->mHeight; - } - - if (1 != iWidth || 1 != iHeight) { - const float fWidth = (float)iWidth; - const float fHeight = (float)iHeight; - aiMesh* pcMesh = this->pScene->mMeshes[0]; - for (unsigned int i = 0; i < pcMesh->mNumVertices;++i) - { - pcMesh->mTextureCoords[0][i].x /= fWidth; - pcMesh->mTextureCoords[0][i].y /= fHeight; - pcMesh->mTextureCoords[0][i].y = 1.0f - pcMesh->mTextureCoords[0][i].y; // DX to OGL - } - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Validate the header of a MDL7 file -void MDLImporter::ValidateHeader_3DGS_MDL7(const MDL::Header_MDL7* pcHeader) -{ - ai_assert(NULL != pcHeader); - - // There are some fixed sizes ... - if (sizeof(MDL::ColorValue_MDL7) != pcHeader->colorvalue_stc_size) { - throw DeadlyImportError( - "[3DGS MDL7] sizeof(MDL::ColorValue_MDL7) != pcHeader->colorvalue_stc_size"); - } - if (sizeof(MDL::TexCoord_MDL7) != pcHeader->skinpoint_stc_size) { - throw DeadlyImportError( - "[3DGS MDL7] sizeof(MDL::TexCoord_MDL7) != pcHeader->skinpoint_stc_size"); - } - if (sizeof(MDL::Skin_MDL7) != pcHeader->skin_stc_size) { - throw DeadlyImportError( - "sizeof(MDL::Skin_MDL7) != pcHeader->skin_stc_size"); - } - - // if there are no groups ... how should we load such a file? - if(!pcHeader->groups_num) { - throw DeadlyImportError( "[3DGS MDL7] No frames found"); - } -} - -// ------------------------------------------------------------------------------------------------ -// resolve bone animation matrices -void MDLImporter::CalcAbsBoneMatrices_3DGS_MDL7(MDL::IntBone_MDL7** apcOutBones) -{ - const MDL::Header_MDL7 *pcHeader = (const MDL::Header_MDL7*)this->mBuffer; - const MDL::Bone_MDL7* pcBones = (const MDL::Bone_MDL7*)(pcHeader+1); - ai_assert(NULL != apcOutBones); - - // first find the bone that has NO parent, calculate the - // animation matrix for it, then go on and search for the next parent - // index (0) and so on until we can't find a new node. - uint16_t iParent = 0xffff; - uint32_t iIterations = 0; - while (iIterations++ < pcHeader->bones_num) { - for (uint32_t iBone = 0; iBone < pcHeader->bones_num;++iBone) { - BE_NCONST MDL::Bone_MDL7* pcBone = _AI_MDL7_ACCESS_PTR(pcBones,iBone, - pcHeader->bone_stc_size,MDL::Bone_MDL7); - - AI_SWAP2(pcBone->parent_index); - AI_SWAP4(pcBone->x); - AI_SWAP4(pcBone->y); - AI_SWAP4(pcBone->z); - - if (iParent == pcBone->parent_index) { - // MDL7 readme - //////////////////////////////////////////////////////////////// - /* - The animation matrix is then calculated the following way: - - vector3 bPos = <absolute bone position> - matrix44 laM; // local animation matrix - sphrvector key_rotate = <bone rotation> - - matrix44 m1,m2; - create_trans_matrix(m1, -bPos.x, -bPos.y, -bPos.z); - create_trans_matrix(m2, -bPos.x, -bPos.y, -bPos.z); - - create_rotation_matrix(laM,key_rotate); - - laM = sm1 * laM; - laM = laM * sm2; - */ - ///////////////////////////////////////////////////////////////// - - MDL::IntBone_MDL7* const pcOutBone = apcOutBones[iBone]; - - // store the parent index of the bone - pcOutBone->iParent = pcBone->parent_index; - if (0xffff != iParent) { - const MDL::IntBone_MDL7* pcParentBone = apcOutBones[iParent]; - pcOutBone->mOffsetMatrix.a4 = -pcParentBone->vPosition.x; - pcOutBone->mOffsetMatrix.b4 = -pcParentBone->vPosition.y; - pcOutBone->mOffsetMatrix.c4 = -pcParentBone->vPosition.z; - } - pcOutBone->vPosition.x = pcBone->x; - pcOutBone->vPosition.y = pcBone->y; - pcOutBone->vPosition.z = pcBone->z; - pcOutBone->mOffsetMatrix.a4 -= pcBone->x; - pcOutBone->mOffsetMatrix.b4 -= pcBone->y; - pcOutBone->mOffsetMatrix.c4 -= pcBone->z; - - if (AI_MDL7_BONE_STRUCT_SIZE__NAME_IS_NOT_THERE == pcHeader->bone_stc_size) { - // no real name for our poor bone is specified :-( - pcOutBone->mName.length = ai_snprintf(pcOutBone->mName.data, MAXLEN, - "UnnamedBone_%i",iBone); - } - else { - // Make sure we won't run over the buffer's end if there is no - // terminal 0 character (however the documentation says there - // should be one) - uint32_t iMaxLen = pcHeader->bone_stc_size-16; - for (uint32_t qq = 0; qq < iMaxLen;++qq) { - if (!pcBone->name[qq]) { - iMaxLen = qq; - break; - } - } - - // store the name of the bone - pcOutBone->mName.length = (size_t)iMaxLen; - ::memcpy(pcOutBone->mName.data,pcBone->name,pcOutBone->mName.length); - pcOutBone->mName.data[pcOutBone->mName.length] = '\0'; - } - } - } - ++iParent; - } -} - -// ------------------------------------------------------------------------------------------------ -// read bones from a MDL7 file -MDL::IntBone_MDL7** MDLImporter::LoadBones_3DGS_MDL7() -{ - const MDL::Header_MDL7 *pcHeader = (const MDL::Header_MDL7*)this->mBuffer; - if (pcHeader->bones_num) { - // validate the size of the bone data structure in the file - if (AI_MDL7_BONE_STRUCT_SIZE__NAME_IS_20_CHARS != pcHeader->bone_stc_size && - AI_MDL7_BONE_STRUCT_SIZE__NAME_IS_32_CHARS != pcHeader->bone_stc_size && - AI_MDL7_BONE_STRUCT_SIZE__NAME_IS_NOT_THERE != pcHeader->bone_stc_size) - { - DefaultLogger::get()->warn("Unknown size of bone data structure"); - return NULL; - } - - MDL::IntBone_MDL7** apcBonesOut = new MDL::IntBone_MDL7*[pcHeader->bones_num]; - for (uint32_t crank = 0; crank < pcHeader->bones_num;++crank) - apcBonesOut[crank] = new MDL::IntBone_MDL7(); - - // and calculate absolute bone offset matrices ... - CalcAbsBoneMatrices_3DGS_MDL7(apcBonesOut); - return apcBonesOut; - } - return NULL; -} - -// ------------------------------------------------------------------------------------------------ -// read faces from a MDL7 file -void MDLImporter::ReadFaces_3DGS_MDL7(const MDL::IntGroupInfo_MDL7& groupInfo, - MDL::IntGroupData_MDL7& groupData) -{ - const MDL::Header_MDL7 *pcHeader = (const MDL::Header_MDL7*)this->mBuffer; - MDL::Triangle_MDL7* pcGroupTris = groupInfo.pcGroupTris; - - // iterate through all triangles and build valid display lists - unsigned int iOutIndex = 0; - for (unsigned int iTriangle = 0; iTriangle < (unsigned int)groupInfo.pcGroup->numtris; ++iTriangle) { - AI_SWAP2(pcGroupTris->v_index[0]); - AI_SWAP2(pcGroupTris->v_index[1]); - AI_SWAP2(pcGroupTris->v_index[2]); - - // iterate through all indices of the current triangle - for (unsigned int c = 0; c < 3;++c,++iOutIndex) { - - // validate the vertex index - unsigned int iIndex = pcGroupTris->v_index[c]; - if(iIndex > (unsigned int)groupInfo.pcGroup->numverts) { - // (we might need to read this section a second time - to process frame vertices correctly) - pcGroupTris->v_index[c] = iIndex = groupInfo.pcGroup->numverts-1; - DefaultLogger::get()->warn("Index overflow in MDL7 vertex list"); - } - - // write the output face index - groupData.pcFaces[iTriangle].mIndices[2-c] = iOutIndex; - - aiVector3D& vPosition = groupData.vPositions[ iOutIndex ]; - vPosition.x = _AI_MDL7_ACCESS_VERT(groupInfo.pcGroupVerts,iIndex, pcHeader->mainvertex_stc_size) .x; - vPosition.y = _AI_MDL7_ACCESS_VERT(groupInfo.pcGroupVerts,iIndex,pcHeader->mainvertex_stc_size) .y; - vPosition.z = _AI_MDL7_ACCESS_VERT(groupInfo.pcGroupVerts,iIndex,pcHeader->mainvertex_stc_size) .z; - - // if we have bones, save the index - if (!groupData.aiBones.empty()) { - groupData.aiBones[iOutIndex] = _AI_MDL7_ACCESS_VERT(groupInfo.pcGroupVerts, - iIndex,pcHeader->mainvertex_stc_size).vertindex; - } - - // now read the normal vector - if (AI_MDL7_FRAMEVERTEX030305_STCSIZE <= pcHeader->mainvertex_stc_size) { - // read the full normal vector - aiVector3D& vNormal = groupData.vNormals[ iOutIndex ]; - vNormal.x = _AI_MDL7_ACCESS_VERT(groupInfo.pcGroupVerts,iIndex,pcHeader->mainvertex_stc_size) .norm[0]; - AI_SWAP4(vNormal.x); - vNormal.y = _AI_MDL7_ACCESS_VERT(groupInfo.pcGroupVerts,iIndex,pcHeader->mainvertex_stc_size) .norm[1]; - AI_SWAP4(vNormal.y); - vNormal.z = _AI_MDL7_ACCESS_VERT(groupInfo.pcGroupVerts,iIndex,pcHeader->mainvertex_stc_size) .norm[2]; - AI_SWAP4(vNormal.z); - } - else if (AI_MDL7_FRAMEVERTEX120503_STCSIZE <= pcHeader->mainvertex_stc_size) { - // read the normal vector from Quake2's smart table - aiVector3D& vNormal = groupData.vNormals[ iOutIndex ]; - MD2::LookupNormalIndex(_AI_MDL7_ACCESS_VERT(groupInfo.pcGroupVerts,iIndex, - pcHeader->mainvertex_stc_size) .norm162index,vNormal); - } - // validate and process the first uv coordinate set - if (pcHeader->triangle_stc_size >= AI_MDL7_TRIANGLE_STD_SIZE_ONE_UV) { - - if (groupInfo.pcGroup->num_stpts) { - AI_SWAP2(pcGroupTris->skinsets[0].st_index[0]); - AI_SWAP2(pcGroupTris->skinsets[0].st_index[1]); - AI_SWAP2(pcGroupTris->skinsets[0].st_index[2]); - - iIndex = pcGroupTris->skinsets[0].st_index[c]; - if(iIndex > (unsigned int)groupInfo.pcGroup->num_stpts) { - iIndex = groupInfo.pcGroup->num_stpts-1; - DefaultLogger::get()->warn("Index overflow in MDL7 UV coordinate list (#1)"); - } - - float u = groupInfo.pcGroupUVs[iIndex].u; - float v = 1.0f-groupInfo.pcGroupUVs[iIndex].v; // DX to OGL - - groupData.vTextureCoords1[iOutIndex].x = u; - groupData.vTextureCoords1[iOutIndex].y = v; - } - // assign the material index, but only if it is existing - if (pcHeader->triangle_stc_size >= AI_MDL7_TRIANGLE_STD_SIZE_ONE_UV_WITH_MATINDEX){ - AI_SWAP4(pcGroupTris->skinsets[0].material); - groupData.pcFaces[iTriangle].iMatIndex[0] = pcGroupTris->skinsets[0].material; - } - } - // validate and process the second uv coordinate set - if (pcHeader->triangle_stc_size >= AI_MDL7_TRIANGLE_STD_SIZE_TWO_UV) { - - if (groupInfo.pcGroup->num_stpts) { - AI_SWAP2(pcGroupTris->skinsets[1].st_index[0]); - AI_SWAP2(pcGroupTris->skinsets[1].st_index[1]); - AI_SWAP2(pcGroupTris->skinsets[1].st_index[2]); - AI_SWAP4(pcGroupTris->skinsets[1].material); - - iIndex = pcGroupTris->skinsets[1].st_index[c]; - if(iIndex > (unsigned int)groupInfo.pcGroup->num_stpts) { - iIndex = groupInfo.pcGroup->num_stpts-1; - DefaultLogger::get()->warn("Index overflow in MDL7 UV coordinate list (#2)"); - } - - float u = groupInfo.pcGroupUVs[ iIndex ].u; - float v = 1.0f-groupInfo.pcGroupUVs[ iIndex ].v; - - groupData.vTextureCoords2[ iOutIndex ].x = u; - groupData.vTextureCoords2[ iOutIndex ].y = v; // DX to OGL - - // check whether we do really need the second texture - // coordinate set ... wastes memory and loading time - if (0 != iIndex && (u != groupData.vTextureCoords1[ iOutIndex ].x || - v != groupData.vTextureCoords1[ iOutIndex ].y ) ) - groupData.bNeed2UV = true; - - // if the material differs, we need a second skin, too - if (pcGroupTris->skinsets[ 1 ].material != pcGroupTris->skinsets[ 0 ].material) - groupData.bNeed2UV = true; - } - // assign the material index - groupData.pcFaces[ iTriangle ].iMatIndex[ 1 ] = pcGroupTris->skinsets[ 1 ].material; - } - } - // get the next triangle in the list - pcGroupTris = (MDL::Triangle_MDL7*)((const char*)pcGroupTris + pcHeader->triangle_stc_size); - } -} - -// ------------------------------------------------------------------------------------------------ -// handle frames in a MDL7 file -bool MDLImporter::ProcessFrames_3DGS_MDL7(const MDL::IntGroupInfo_MDL7& groupInfo, - MDL::IntGroupData_MDL7& groupData, - MDL::IntSharedData_MDL7& shared, - const unsigned char* szCurrent, - const unsigned char** szCurrentOut) -{ - ai_assert( nullptr != szCurrent ); - ai_assert( nullptr != szCurrentOut); - - const MDL::Header_MDL7 *pcHeader = (const MDL::Header_MDL7*)mBuffer; - - // if we have no bones we can simply skip all frames, - // otherwise we'll need to process them. - // FIX: If we need another frame than the first we must apply frame vertex replacements ... - for(unsigned int iFrame = 0; iFrame < (unsigned int)groupInfo.pcGroup->numframes;++iFrame) { - MDL::IntFrameInfo_MDL7 frame ((BE_NCONST MDL::Frame_MDL7*)szCurrent,iFrame); - - AI_SWAP4(frame.pcFrame->vertices_count); - AI_SWAP4(frame.pcFrame->transmatrix_count); - - const unsigned int iAdd = pcHeader->frame_stc_size + - frame.pcFrame->vertices_count * pcHeader->framevertex_stc_size + - frame.pcFrame->transmatrix_count * pcHeader->bonetrans_stc_size; - - if (((const char*)szCurrent - (const char*)pcHeader) + iAdd > (unsigned int)pcHeader->data_size) { - DefaultLogger::get()->warn("Index overflow in frame area. " - "Ignoring all frames and all further mesh groups, too."); - - // don't parse more groups if we can't even read one - // FIXME: sometimes this seems to occur even for valid files ... - *szCurrentOut = szCurrent; - return false; - } - // our output frame? - if (configFrameID == iFrame) { - BE_NCONST MDL::Vertex_MDL7* pcFrameVertices = (BE_NCONST MDL::Vertex_MDL7*)(szCurrent+pcHeader->frame_stc_size); - - for (unsigned int qq = 0; qq < frame.pcFrame->vertices_count;++qq) { - // I assume this are simple replacements for normal vertices, the bone index serving - // as the index of the vertex to be replaced. - uint16_t iIndex = _AI_MDL7_ACCESS(pcFrameVertices,qq,pcHeader->framevertex_stc_size,MDL::Vertex_MDL7).vertindex; - AI_SWAP2(iIndex); - if (iIndex >= groupInfo.pcGroup->numverts) { - DefaultLogger::get()->warn("Invalid vertex index in frame vertex section"); - continue; - } - - aiVector3D vPosition,vNormal; - - vPosition.x = _AI_MDL7_ACCESS_VERT(pcFrameVertices,qq,pcHeader->framevertex_stc_size) .x; - AI_SWAP4(vPosition.x); - vPosition.y = _AI_MDL7_ACCESS_VERT(pcFrameVertices,qq,pcHeader->framevertex_stc_size) .y; - AI_SWAP4(vPosition.y); - vPosition.z = _AI_MDL7_ACCESS_VERT(pcFrameVertices,qq,pcHeader->framevertex_stc_size) .z; - AI_SWAP4(vPosition.z); - - // now read the normal vector - if (AI_MDL7_FRAMEVERTEX030305_STCSIZE <= pcHeader->mainvertex_stc_size) { - // read the full normal vector - vNormal.x = _AI_MDL7_ACCESS_VERT(pcFrameVertices,qq,pcHeader->framevertex_stc_size) .norm[0]; - AI_SWAP4(vNormal.x); - vNormal.y = _AI_MDL7_ACCESS_VERT(pcFrameVertices,qq,pcHeader->framevertex_stc_size) .norm[1]; - AI_SWAP4(vNormal.y); - vNormal.z = _AI_MDL7_ACCESS_VERT(pcFrameVertices,qq,pcHeader->framevertex_stc_size) .norm[2]; - AI_SWAP4(vNormal.z); - } - else if (AI_MDL7_FRAMEVERTEX120503_STCSIZE <= pcHeader->mainvertex_stc_size) { - // read the normal vector from Quake2's smart table - MD2::LookupNormalIndex(_AI_MDL7_ACCESS_VERT(pcFrameVertices,qq, - pcHeader->framevertex_stc_size) .norm162index,vNormal); - } - - // FIXME: O(n^2) at the moment ... - BE_NCONST MDL::Triangle_MDL7* pcGroupTris = groupInfo.pcGroupTris; - unsigned int iOutIndex = 0; - for (unsigned int iTriangle = 0; iTriangle < (unsigned int)groupInfo.pcGroup->numtris; ++iTriangle) { - // iterate through all indices of the current triangle - for (unsigned int c = 0; c < 3;++c,++iOutIndex) { - // replace the vertex with the new data - const unsigned int iCurIndex = pcGroupTris->v_index[c]; - if (iCurIndex == iIndex) { - groupData.vPositions[iOutIndex] = vPosition; - groupData.vNormals[iOutIndex] = vNormal; - } - } - // get the next triangle in the list - pcGroupTris = (BE_NCONST MDL::Triangle_MDL7*)((const char*) - pcGroupTris + pcHeader->triangle_stc_size); - } - } - } - // parse bone trafo matrix keys (only if there are bones ...) - if (shared.apcOutBones) { - ParseBoneTrafoKeys_3DGS_MDL7(groupInfo,frame,shared); - } - szCurrent += iAdd; - } - *szCurrentOut = szCurrent; - return true; -} - -// ------------------------------------------------------------------------------------------------ -// Sort faces by material, handle multiple UVs correctly -void MDLImporter::SortByMaterials_3DGS_MDL7( - const MDL::IntGroupInfo_MDL7& groupInfo, - MDL::IntGroupData_MDL7& groupData, - MDL::IntSplitGroupData_MDL7& splitGroupData) -{ - const unsigned int iNumMaterials = (unsigned int)splitGroupData.shared.pcMats.size(); - if (!groupData.bNeed2UV) { - // if we don't need a second set of texture coordinates there is no reason to keep it in memory ... - groupData.vTextureCoords2.clear(); - - // allocate the array - splitGroupData.aiSplit = new std::vector<unsigned int>*[iNumMaterials]; - - for (unsigned int m = 0; m < iNumMaterials;++m) - splitGroupData.aiSplit[m] = new std::vector<unsigned int>(); - - // iterate through all faces and sort by material - for (unsigned int iFace = 0; iFace < (unsigned int)groupInfo.pcGroup->numtris;++iFace) { - // check range - if (groupData.pcFaces[iFace].iMatIndex[0] >= iNumMaterials) { - // use the last material instead - splitGroupData.aiSplit[iNumMaterials-1]->push_back(iFace); - - // sometimes MED writes -1, but normally only if there is only - // one skin assigned. No warning in this case - if(0xFFFFFFFF != groupData.pcFaces[iFace].iMatIndex[0]) - DefaultLogger::get()->warn("Index overflow in MDL7 material list [#0]"); - } - else splitGroupData.aiSplit[groupData.pcFaces[iFace]. - iMatIndex[0]]->push_back(iFace); - } - } - else - { - // we need to build combined materials for each combination of - std::vector<MDL::IntMaterial_MDL7> avMats; - avMats.reserve(iNumMaterials*2); - - // fixme: why on the heap? - std::vector<std::vector<unsigned int>* > aiTempSplit(iNumMaterials*2); - for (unsigned int m = 0; m < iNumMaterials;++m) - aiTempSplit[m] = new std::vector<unsigned int>(); - - // iterate through all faces and sort by material - for (unsigned int iFace = 0; iFace < (unsigned int)groupInfo.pcGroup->numtris;++iFace) { - // check range - unsigned int iMatIndex = groupData.pcFaces[iFace].iMatIndex[0]; - if (iMatIndex >= iNumMaterials) { - // sometimes MED writes -1, but normally only if there is only - // one skin assigned. No warning in this case - if(UINT_MAX != iMatIndex) - DefaultLogger::get()->warn("Index overflow in MDL7 material list [#1]"); - iMatIndex = iNumMaterials-1; - } - unsigned int iMatIndex2 = groupData.pcFaces[iFace].iMatIndex[1]; - - unsigned int iNum = iMatIndex; - if (UINT_MAX != iMatIndex2 && iMatIndex != iMatIndex2) { - if (iMatIndex2 >= iNumMaterials) { - // sometimes MED writes -1, but normally only if there is only - // one skin assigned. No warning in this case - DefaultLogger::get()->warn("Index overflow in MDL7 material list [#2]"); - iMatIndex2 = iNumMaterials-1; - } - - // do a slow search in the list ... - iNum = 0; - bool bFound = false; - for (std::vector<MDL::IntMaterial_MDL7>::iterator i = avMats.begin();i != avMats.end();++i,++iNum){ - if ((*i).iOldMatIndices[0] == iMatIndex && (*i).iOldMatIndices[1] == iMatIndex2) { - // reuse this material - bFound = true; - break; - } - } - if (!bFound) { - // build a new material ... - MDL::IntMaterial_MDL7 sHelper; - sHelper.pcMat = new aiMaterial(); - sHelper.iOldMatIndices[0] = iMatIndex; - sHelper.iOldMatIndices[1] = iMatIndex2; - JoinSkins_3DGS_MDL7(splitGroupData.shared.pcMats[iMatIndex], - splitGroupData.shared.pcMats[iMatIndex2],sHelper.pcMat); - - // and add it to the list - avMats.push_back(sHelper); - iNum = (unsigned int)avMats.size()-1; - } - // adjust the size of the file array - if (iNum == aiTempSplit.size()) { - aiTempSplit.push_back(new std::vector<unsigned int>()); - } - } - aiTempSplit[iNum]->push_back(iFace); - } - - // now add the newly created materials to the old list - if (0 == groupInfo.iIndex) { - splitGroupData.shared.pcMats.resize(avMats.size()); - for (unsigned int o = 0; o < avMats.size();++o) - splitGroupData.shared.pcMats[o] = avMats[o].pcMat; - } - else { - // This might result in redundant materials ... - splitGroupData.shared.pcMats.resize(iNumMaterials + avMats.size()); - for (unsigned int o = iNumMaterials; o < avMats.size();++o) - splitGroupData.shared.pcMats[o] = avMats[o].pcMat; - } - - // and build the final face-to-material array - splitGroupData.aiSplit = new std::vector<unsigned int>*[aiTempSplit.size()]; - for (unsigned int m = 0; m < iNumMaterials;++m) - splitGroupData.aiSplit[m] = aiTempSplit[m]; - } -} - -// ------------------------------------------------------------------------------------------------ -// Read a MDL7 file -void MDLImporter::InternReadFile_3DGS_MDL7( ) -{ - ai_assert(NULL != pScene); - - MDL::IntSharedData_MDL7 sharedData; - - // current cursor position in the file - BE_NCONST MDL::Header_MDL7 *pcHeader = (BE_NCONST MDL::Header_MDL7*)this->mBuffer; - const unsigned char* szCurrent = (const unsigned char*)(pcHeader+1); - - AI_SWAP4(pcHeader->version); - AI_SWAP4(pcHeader->bones_num); - AI_SWAP4(pcHeader->groups_num); - AI_SWAP4(pcHeader->data_size); - AI_SWAP4(pcHeader->entlump_size); - AI_SWAP4(pcHeader->medlump_size); - AI_SWAP2(pcHeader->bone_stc_size); - AI_SWAP2(pcHeader->skin_stc_size); - AI_SWAP2(pcHeader->colorvalue_stc_size); - AI_SWAP2(pcHeader->material_stc_size); - AI_SWAP2(pcHeader->skinpoint_stc_size); - AI_SWAP2(pcHeader->triangle_stc_size); - AI_SWAP2(pcHeader->mainvertex_stc_size); - AI_SWAP2(pcHeader->framevertex_stc_size); - AI_SWAP2(pcHeader->bonetrans_stc_size); - AI_SWAP2(pcHeader->frame_stc_size); - - // validate the header of the file. There are some structure - // sizes that are expected by the loader to be constant - this->ValidateHeader_3DGS_MDL7(pcHeader); - - // load all bones (they are shared by all groups, so - // we'll need to add them to all groups/meshes later) - // apcBonesOut is a list of all bones or NULL if they could not been loaded - szCurrent += pcHeader->bones_num * pcHeader->bone_stc_size; - sharedData.apcOutBones = this->LoadBones_3DGS_MDL7(); - - // vector to held all created meshes - std::vector<aiMesh*>* avOutList; - - // 3 meshes per group - that should be OK for most models - avOutList = new std::vector<aiMesh*>[pcHeader->groups_num]; - for (uint32_t i = 0; i < pcHeader->groups_num;++i) - avOutList[i].reserve(3); - - // buffer to held the names of all groups in the file - const size_t buffersize( AI_MDL7_MAX_GROUPNAMESIZE*pcHeader->groups_num ); - char* aszGroupNameBuffer = new char[ buffersize ]; - - // read all groups - for (unsigned int iGroup = 0; iGroup < (unsigned int)pcHeader->groups_num;++iGroup) { - MDL::IntGroupInfo_MDL7 groupInfo((BE_NCONST MDL::Group_MDL7*)szCurrent,iGroup); - szCurrent = (const unsigned char*)(groupInfo.pcGroup+1); - - VALIDATE_FILE_SIZE(szCurrent); - - AI_SWAP4(groupInfo.pcGroup->groupdata_size); - AI_SWAP4(groupInfo.pcGroup->numskins); - AI_SWAP4(groupInfo.pcGroup->num_stpts); - AI_SWAP4(groupInfo.pcGroup->numtris); - AI_SWAP4(groupInfo.pcGroup->numverts); - AI_SWAP4(groupInfo.pcGroup->numframes); - - if (1 != groupInfo.pcGroup->typ) { - // Not a triangle-based mesh - DefaultLogger::get()->warn("[3DGS MDL7] Not a triangle mesh group. Continuing happily"); - } - - // store the name of the group - const unsigned int ofs = iGroup*AI_MDL7_MAX_GROUPNAMESIZE; - ::memcpy(&aszGroupNameBuffer[ofs], - groupInfo.pcGroup->name,AI_MDL7_MAX_GROUPNAMESIZE); - - // make sure '\0' is at the end - aszGroupNameBuffer[ofs+AI_MDL7_MAX_GROUPNAMESIZE-1] = '\0'; - - // read all skins - sharedData.pcMats.reserve(sharedData.pcMats.size() + groupInfo.pcGroup->numskins); - sharedData.abNeedMaterials.resize(sharedData.abNeedMaterials.size() + - groupInfo.pcGroup->numskins,false); - - for (unsigned int iSkin = 0; iSkin < (unsigned int)groupInfo.pcGroup->numskins;++iSkin) { - ParseSkinLump_3DGS_MDL7(szCurrent,&szCurrent,sharedData.pcMats); - } - // if we have absolutely no skin loaded we need to generate a default material - if (sharedData.pcMats.empty()) { - const int iMode = (int)aiShadingMode_Gouraud; - sharedData.pcMats.push_back(new aiMaterial()); - aiMaterial* pcHelper = (aiMaterial*)sharedData.pcMats[0]; - pcHelper->AddProperty<int>(&iMode, 1, AI_MATKEY_SHADING_MODEL); - - aiColor3D clr; - clr.b = clr.g = clr.r = 0.6f; - pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_DIFFUSE); - pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_SPECULAR); - - clr.b = clr.g = clr.r = 0.05f; - pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_AMBIENT); - - aiString szName; - szName.Set(AI_DEFAULT_MATERIAL_NAME); - pcHelper->AddProperty(&szName,AI_MATKEY_NAME); - - sharedData.abNeedMaterials.resize(1,false); - } - - // now get a pointer to all texture coords in the group - groupInfo.pcGroupUVs = (BE_NCONST MDL::TexCoord_MDL7*)szCurrent; - for(int i = 0; i < groupInfo.pcGroup->num_stpts; ++i){ - AI_SWAP4(groupInfo.pcGroupUVs[i].u); - AI_SWAP4(groupInfo.pcGroupUVs[i].v); - } - szCurrent += pcHeader->skinpoint_stc_size * groupInfo.pcGroup->num_stpts; - - // now get a pointer to all triangle in the group - groupInfo.pcGroupTris = (Triangle_MDL7*)szCurrent; - szCurrent += pcHeader->triangle_stc_size * groupInfo.pcGroup->numtris; - - // now get a pointer to all vertices in the group - groupInfo.pcGroupVerts = (BE_NCONST MDL::Vertex_MDL7*)szCurrent; - for(int i = 0; i < groupInfo.pcGroup->numverts; ++i){ - AI_SWAP4(groupInfo.pcGroupVerts[i].x); - AI_SWAP4(groupInfo.pcGroupVerts[i].y); - AI_SWAP4(groupInfo.pcGroupVerts[i].z); - - AI_SWAP2(groupInfo.pcGroupVerts[i].vertindex); - //We can not swap the normal information now as we don't know which of the two kinds it is - } - szCurrent += pcHeader->mainvertex_stc_size * groupInfo.pcGroup->numverts; - VALIDATE_FILE_SIZE(szCurrent); - - MDL::IntSplitGroupData_MDL7 splitGroupData(sharedData,avOutList[iGroup]); - MDL::IntGroupData_MDL7 groupData; - if (groupInfo.pcGroup->numtris && groupInfo.pcGroup->numverts) - { - // build output vectors - const unsigned int iNumVertices = groupInfo.pcGroup->numtris*3; - groupData.vPositions.resize(iNumVertices); - groupData.vNormals.resize(iNumVertices); - - if (sharedData.apcOutBones)groupData.aiBones.resize(iNumVertices,UINT_MAX); - - // it is also possible that there are 0 UV coordinate sets - if (groupInfo.pcGroup->num_stpts){ - groupData.vTextureCoords1.resize(iNumVertices,aiVector3D()); - - // check whether the triangle data structure is large enough - // to contain a second UV coodinate set - if (pcHeader->triangle_stc_size >= AI_MDL7_TRIANGLE_STD_SIZE_TWO_UV) { - groupData.vTextureCoords2.resize(iNumVertices,aiVector3D()); - groupData.bNeed2UV = true; - } - } - groupData.pcFaces = new MDL::IntFace_MDL7[groupInfo.pcGroup->numtris]; - - // read all faces into the preallocated arrays - ReadFaces_3DGS_MDL7(groupInfo, groupData); - - // sort by materials - SortByMaterials_3DGS_MDL7(groupInfo, groupData, - splitGroupData); - - for (unsigned int qq = 0; qq < sharedData.pcMats.size();++qq) { - if (!splitGroupData.aiSplit[qq]->empty()) - sharedData.abNeedMaterials[qq] = true; - } - } - else DefaultLogger::get()->warn("[3DGS MDL7] Mesh group consists of 0 " - "vertices or faces. It will be skipped."); - - // process all frames and generate output meshes - ProcessFrames_3DGS_MDL7(groupInfo,groupData, sharedData,szCurrent,&szCurrent); - GenerateOutputMeshes_3DGS_MDL7(groupData,splitGroupData); - } - - // generate a nodegraph and subnodes for each group - pScene->mRootNode = new aiNode(); - - // now we need to build a final mesh list - for (uint32_t i = 0; i < pcHeader->groups_num;++i) - pScene->mNumMeshes += (unsigned int)avOutList[i].size(); - - pScene->mMeshes = new aiMesh*[pScene->mNumMeshes]; { - unsigned int p = 0,q = 0; - for (uint32_t i = 0; i < pcHeader->groups_num;++i) { - for (unsigned int a = 0; a < avOutList[i].size();++a) { - pScene->mMeshes[p++] = avOutList[i][a]; - } - if (!avOutList[i].empty())++pScene->mRootNode->mNumChildren; - } - // we will later need an extra node to serve as parent for all bones - if (sharedData.apcOutBones)++pScene->mRootNode->mNumChildren; - this->pScene->mRootNode->mChildren = new aiNode*[pScene->mRootNode->mNumChildren]; - p = 0; - for (uint32_t i = 0; i < pcHeader->groups_num;++i) { - if (avOutList[i].empty())continue; - - aiNode* const pcNode = pScene->mRootNode->mChildren[p] = new aiNode(); - pcNode->mNumMeshes = (unsigned int)avOutList[i].size(); - pcNode->mMeshes = new unsigned int[pcNode->mNumMeshes]; - pcNode->mParent = this->pScene->mRootNode; - for (unsigned int a = 0; a < pcNode->mNumMeshes;++a) - pcNode->mMeshes[a] = q + a; - q += (unsigned int)avOutList[i].size(); - - // setup the name of the node - char* const szBuffer = &aszGroupNameBuffer[i*AI_MDL7_MAX_GROUPNAMESIZE]; - if ('\0' == *szBuffer) { - const size_t maxSize(buffersize - (i*AI_MDL7_MAX_GROUPNAMESIZE)); - pcNode->mName.length = ai_snprintf(szBuffer, maxSize, "Group_%u", p); - } else { - pcNode->mName.length = ::strlen(szBuffer); - } - ::strncpy(pcNode->mName.data,szBuffer,MAXLEN-1); - ++p; - } - } - - // if there is only one root node with a single child we can optimize it a bit ... - if (1 == pScene->mRootNode->mNumChildren && !sharedData.apcOutBones) { - aiNode* pcOldRoot = this->pScene->mRootNode; - pScene->mRootNode = pcOldRoot->mChildren[0]; - pcOldRoot->mChildren[0] = NULL; - delete pcOldRoot; - pScene->mRootNode->mParent = NULL; - } - else pScene->mRootNode->mName.Set("<mesh_root>"); - - delete[] avOutList; - delete[] aszGroupNameBuffer; - AI_DEBUG_INVALIDATE_PTR(avOutList); - AI_DEBUG_INVALIDATE_PTR(aszGroupNameBuffer); - - // build a final material list. - CopyMaterials_3DGS_MDL7(sharedData); - HandleMaterialReferences_3DGS_MDL7(); - - // generate output bone animations and add all bones to the scenegraph - if (sharedData.apcOutBones) { - // this step adds empty dummy bones to the nodegraph - // insert another dummy node to avoid name conflicts - aiNode* const pc = pScene->mRootNode->mChildren[pScene->mRootNode->mNumChildren-1] = new aiNode(); - - pc->mName.Set("<skeleton_root>"); - - // add bones to the nodegraph - AddBonesToNodeGraph_3DGS_MDL7((const Assimp::MDL::IntBone_MDL7 **) - sharedData.apcOutBones,pc,0xffff); - - // this steps build a valid output animation - BuildOutputAnims_3DGS_MDL7((const Assimp::MDL::IntBone_MDL7 **) - sharedData.apcOutBones); - } -} - -// ------------------------------------------------------------------------------------------------ -// Copy materials -void MDLImporter::CopyMaterials_3DGS_MDL7(MDL::IntSharedData_MDL7 &shared) -{ - pScene->mNumMaterials = (unsigned int)shared.pcMats.size(); - pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials]; - for (unsigned int i = 0; i < pScene->mNumMaterials;++i) - pScene->mMaterials[i] = shared.pcMats[i]; -} - - -// ------------------------------------------------------------------------------------------------ -// Process material references -void MDLImporter::HandleMaterialReferences_3DGS_MDL7() -{ - // search for referrer materials - for (unsigned int i = 0; i < pScene->mNumMaterials;++i) { - int iIndex = 0; - if (AI_SUCCESS == aiGetMaterialInteger(pScene->mMaterials[i],AI_MDL7_REFERRER_MATERIAL, &iIndex) ) { - for (unsigned int a = 0; a < pScene->mNumMeshes;++a) { - aiMesh* const pcMesh = pScene->mMeshes[a]; - if (i == pcMesh->mMaterialIndex) { - pcMesh->mMaterialIndex = iIndex; - } - } - // collapse the rest of the array - delete pScene->mMaterials[i]; - for (unsigned int pp = i; pp < pScene->mNumMaterials-1;++pp) { - - pScene->mMaterials[pp] = pScene->mMaterials[pp+1]; - for (unsigned int a = 0; a < pScene->mNumMeshes;++a) { - aiMesh* const pcMesh = pScene->mMeshes[a]; - if (pcMesh->mMaterialIndex > i)--pcMesh->mMaterialIndex; - } - } - --pScene->mNumMaterials; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Read bone transformation keys -void MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7( - const MDL::IntGroupInfo_MDL7& groupInfo, - IntFrameInfo_MDL7& frame, - MDL::IntSharedData_MDL7& shared) -{ - const MDL::Header_MDL7* const pcHeader = (const MDL::Header_MDL7*)this->mBuffer; - - // only the first group contains bone animation keys - if (frame.pcFrame->transmatrix_count) { - if (!groupInfo.iIndex) { - // skip all frames vertices. We can't support them - const MDL::BoneTransform_MDL7* pcBoneTransforms = (const MDL::BoneTransform_MDL7*) - (((const char*)frame.pcFrame) + pcHeader->frame_stc_size + - frame.pcFrame->vertices_count * pcHeader->framevertex_stc_size); - - // read all transformation matrices - for (unsigned int iTrafo = 0; iTrafo < frame.pcFrame->transmatrix_count;++iTrafo) { - if(pcBoneTransforms->bone_index >= pcHeader->bones_num) { - DefaultLogger::get()->warn("Index overflow in frame area. " - "Unable to parse this bone transformation"); - } - else { - AddAnimationBoneTrafoKey_3DGS_MDL7(frame.iIndex, - pcBoneTransforms,shared.apcOutBones); - } - pcBoneTransforms = (const MDL::BoneTransform_MDL7*)( - (const char*)pcBoneTransforms + pcHeader->bonetrans_stc_size); - } - } - else { - DefaultLogger::get()->warn("Ignoring animation keyframes in groups != 0"); - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Attach bones to the output nodegraph -void MDLImporter::AddBonesToNodeGraph_3DGS_MDL7(const MDL::IntBone_MDL7** apcBones, - aiNode* pcParent,uint16_t iParentIndex) -{ - ai_assert(NULL != apcBones && NULL != pcParent); - - // get a pointer to the header ... - const MDL::Header_MDL7* const pcHeader = (const MDL::Header_MDL7*)this->mBuffer; - - const MDL::IntBone_MDL7** apcBones2 = apcBones; - for (uint32_t i = 0; i < pcHeader->bones_num;++i) { - - const MDL::IntBone_MDL7* const pcBone = *apcBones2++; - if (pcBone->iParent == iParentIndex) { - ++pcParent->mNumChildren; - } - } - pcParent->mChildren = new aiNode*[pcParent->mNumChildren]; - unsigned int qq = 0; - for (uint32_t i = 0; i < pcHeader->bones_num;++i) { - - const MDL::IntBone_MDL7* const pcBone = *apcBones++; - if (pcBone->iParent != iParentIndex)continue; - - aiNode* pcNode = pcParent->mChildren[qq++] = new aiNode(); - pcNode->mName = aiString( pcBone->mName ); - - AddBonesToNodeGraph_3DGS_MDL7(apcBones,pcNode,(uint16_t)i); - } -} - -// ------------------------------------------------------------------------------------------------ -// Build output animations -void MDLImporter::BuildOutputAnims_3DGS_MDL7( - const MDL::IntBone_MDL7** apcBonesOut) -{ - ai_assert(NULL != apcBonesOut); - const MDL::Header_MDL7* const pcHeader = (const MDL::Header_MDL7*)mBuffer; - - // one animation ... - aiAnimation* pcAnim = new aiAnimation(); - for (uint32_t i = 0; i < pcHeader->bones_num;++i) { - if (!apcBonesOut[i]->pkeyPositions.empty()) { - - // get the last frame ... (needn't be equal to pcHeader->frames_num) - for (size_t qq = 0; qq < apcBonesOut[i]->pkeyPositions.size();++qq) { - pcAnim->mDuration = std::max(pcAnim->mDuration, (double) - apcBonesOut[i]->pkeyPositions[qq].mTime); - } - ++pcAnim->mNumChannels; - } - } - if (pcAnim->mDuration) { - pcAnim->mChannels = new aiNodeAnim*[pcAnim->mNumChannels]; - - unsigned int iCnt = 0; - for (uint32_t i = 0; i < pcHeader->bones_num;++i) { - if (!apcBonesOut[i]->pkeyPositions.empty()) { - const MDL::IntBone_MDL7* const intBone = apcBonesOut[i]; - - aiNodeAnim* const pcNodeAnim = pcAnim->mChannels[iCnt++] = new aiNodeAnim(); - pcNodeAnim->mNodeName = aiString( intBone->mName ); - - // allocate enough storage for all keys - pcNodeAnim->mNumPositionKeys = (unsigned int)intBone->pkeyPositions.size(); - pcNodeAnim->mNumScalingKeys = (unsigned int)intBone->pkeyPositions.size(); - pcNodeAnim->mNumRotationKeys = (unsigned int)intBone->pkeyPositions.size(); - - pcNodeAnim->mPositionKeys = new aiVectorKey[pcNodeAnim->mNumPositionKeys]; - pcNodeAnim->mScalingKeys = new aiVectorKey[pcNodeAnim->mNumPositionKeys]; - pcNodeAnim->mRotationKeys = new aiQuatKey[pcNodeAnim->mNumPositionKeys]; - - // copy all keys - for (unsigned int qq = 0; qq < pcNodeAnim->mNumPositionKeys;++qq) { - pcNodeAnim->mPositionKeys[qq] = intBone->pkeyPositions[qq]; - pcNodeAnim->mScalingKeys[qq] = intBone->pkeyScalings[qq]; - pcNodeAnim->mRotationKeys[qq] = intBone->pkeyRotations[qq]; - } - } - } - - // store the output animation - pScene->mNumAnimations = 1; - pScene->mAnimations = new aiAnimation*[1]; - pScene->mAnimations[0] = pcAnim; - } - else delete pcAnim; -} - -// ------------------------------------------------------------------------------------------------ -void MDLImporter::AddAnimationBoneTrafoKey_3DGS_MDL7(unsigned int iTrafo, - const MDL::BoneTransform_MDL7* pcBoneTransforms, - MDL::IntBone_MDL7** apcBonesOut) -{ - ai_assert(NULL != pcBoneTransforms); - ai_assert(NULL != apcBonesOut); - - // first .. get the transformation matrix - aiMatrix4x4 mTransform; - mTransform.a1 = pcBoneTransforms->m[0]; - mTransform.b1 = pcBoneTransforms->m[1]; - mTransform.c1 = pcBoneTransforms->m[2]; - mTransform.d1 = pcBoneTransforms->m[3]; - - mTransform.a2 = pcBoneTransforms->m[4]; - mTransform.b2 = pcBoneTransforms->m[5]; - mTransform.c2 = pcBoneTransforms->m[6]; - mTransform.d2 = pcBoneTransforms->m[7]; - - mTransform.a3 = pcBoneTransforms->m[8]; - mTransform.b3 = pcBoneTransforms->m[9]; - mTransform.c3 = pcBoneTransforms->m[10]; - mTransform.d3 = pcBoneTransforms->m[11]; - - // now decompose the transformation matrix into separate - // scaling, rotation and translation - aiVectorKey vScaling,vPosition; - aiQuatKey qRotation; - - // FIXME: Decompose will assert in debug builds if the matrix is invalid ... - mTransform.Decompose(vScaling.mValue,qRotation.mValue,vPosition.mValue); - - // now generate keys - vScaling.mTime = qRotation.mTime = vPosition.mTime = (double)iTrafo; - - // add the keys to the bone - MDL::IntBone_MDL7* const pcBoneOut = apcBonesOut[pcBoneTransforms->bone_index]; - pcBoneOut->pkeyPositions.push_back ( vPosition ); - pcBoneOut->pkeyScalings.push_back ( vScaling ); - pcBoneOut->pkeyRotations.push_back ( qRotation ); -} - -// ------------------------------------------------------------------------------------------------ -// Construct output meshes -void MDLImporter::GenerateOutputMeshes_3DGS_MDL7( - MDL::IntGroupData_MDL7& groupData, - MDL::IntSplitGroupData_MDL7& splitGroupData) -{ - const MDL::IntSharedData_MDL7& shared = splitGroupData.shared; - - // get a pointer to the header ... - const MDL::Header_MDL7* const pcHeader = (const MDL::Header_MDL7*)this->mBuffer; - const unsigned int iNumOutBones = pcHeader->bones_num; - - for (std::vector<aiMaterial*>::size_type i = 0; i < shared.pcMats.size();++i) { - if (!splitGroupData.aiSplit[i]->empty()) { - - // allocate the output mesh - aiMesh* pcMesh = new aiMesh(); - - pcMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE; - pcMesh->mMaterialIndex = (unsigned int)i; - - // allocate output storage - pcMesh->mNumFaces = (unsigned int)splitGroupData.aiSplit[i]->size(); - pcMesh->mFaces = new aiFace[pcMesh->mNumFaces]; - - pcMesh->mNumVertices = pcMesh->mNumFaces*3; - pcMesh->mVertices = new aiVector3D[pcMesh->mNumVertices]; - pcMesh->mNormals = new aiVector3D[pcMesh->mNumVertices]; - - if (!groupData.vTextureCoords1.empty()) { - pcMesh->mNumUVComponents[0] = 2; - pcMesh->mTextureCoords[0] = new aiVector3D[pcMesh->mNumVertices]; - if (!groupData.vTextureCoords2.empty()) { - pcMesh->mNumUVComponents[1] = 2; - pcMesh->mTextureCoords[1] = new aiVector3D[pcMesh->mNumVertices]; - } - } - - // iterate through all faces and build an unique set of vertices - unsigned int iCurrent = 0; - for (unsigned int iFace = 0; iFace < pcMesh->mNumFaces;++iFace) { - pcMesh->mFaces[iFace].mNumIndices = 3; - pcMesh->mFaces[iFace].mIndices = new unsigned int[3]; - - unsigned int iSrcFace = splitGroupData.aiSplit[i]->operator[](iFace); - const MDL::IntFace_MDL7& oldFace = groupData.pcFaces[iSrcFace]; - - // iterate through all face indices - for (unsigned int c = 0; c < 3;++c) { - const uint32_t iIndex = oldFace.mIndices[c]; - pcMesh->mVertices[iCurrent] = groupData.vPositions[iIndex]; - pcMesh->mNormals[iCurrent] = groupData.vNormals[iIndex]; - - if (!groupData.vTextureCoords1.empty()) { - - pcMesh->mTextureCoords[0][iCurrent] = groupData.vTextureCoords1[iIndex]; - if (!groupData.vTextureCoords2.empty()) { - pcMesh->mTextureCoords[1][iCurrent] = groupData.vTextureCoords2[iIndex]; - } - } - pcMesh->mFaces[iFace].mIndices[c] = iCurrent++; - } - } - - // if we have bones in the mesh we'll need to generate - // proper vertex weights for them - if (!groupData.aiBones.empty()) { - std::vector<std::vector<unsigned int> > aaiVWeightList; - aaiVWeightList.resize(iNumOutBones); - - int iCurrent = 0; - for (unsigned int iFace = 0; iFace < pcMesh->mNumFaces;++iFace) { - unsigned int iSrcFace = splitGroupData.aiSplit[i]->operator[](iFace); - const MDL::IntFace_MDL7& oldFace = groupData.pcFaces[iSrcFace]; - - // iterate through all face indices - for (unsigned int c = 0; c < 3;++c) { - unsigned int iBone = groupData.aiBones[ oldFace.mIndices[c] ]; - if (UINT_MAX != iBone) { - if (iBone >= iNumOutBones) { - DefaultLogger::get()->error("Bone index overflow. " - "The bone index of a vertex exceeds the allowed range. "); - iBone = iNumOutBones-1; - } - aaiVWeightList[ iBone ].push_back ( iCurrent ); - } - ++iCurrent; - } - } - // now check which bones are required ... - for (std::vector<std::vector<unsigned int> >::const_iterator k = aaiVWeightList.begin();k != aaiVWeightList.end();++k) { - if (!(*k).empty()) { - ++pcMesh->mNumBones; - } - } - pcMesh->mBones = new aiBone*[pcMesh->mNumBones]; - iCurrent = 0; - for (std::vector<std::vector<unsigned int> >::const_iterator k = aaiVWeightList.begin();k!= aaiVWeightList.end();++k,++iCurrent) - { - if ((*k).empty()) - continue; - - // seems we'll need this node - aiBone* pcBone = pcMesh->mBones[ iCurrent ] = new aiBone(); - pcBone->mName = aiString(shared.apcOutBones[ iCurrent ]->mName); - pcBone->mOffsetMatrix = shared.apcOutBones[ iCurrent ]->mOffsetMatrix; - - // setup vertex weights - pcBone->mNumWeights = (unsigned int)(*k).size(); - pcBone->mWeights = new aiVertexWeight[pcBone->mNumWeights]; - - for (unsigned int weight = 0; weight < pcBone->mNumWeights;++weight) { - pcBone->mWeights[weight].mVertexId = (*k)[weight]; - pcBone->mWeights[weight].mWeight = 1.0f; - } - } - } - // add the mesh to the list of output meshes - splitGroupData.avOutList.push_back(pcMesh); - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Join to materials -void MDLImporter::JoinSkins_3DGS_MDL7( - aiMaterial* pcMat1, - aiMaterial* pcMat2, - aiMaterial* pcMatOut) -{ - ai_assert(NULL != pcMat1 && NULL != pcMat2 && NULL != pcMatOut); - - // first create a full copy of the first skin property set - // and assign it to the output material - aiMaterial::CopyPropertyList(pcMatOut,pcMat1); - - int iVal = 0; - pcMatOut->AddProperty<int>(&iVal,1,AI_MATKEY_UVWSRC_DIFFUSE(0)); - - // then extract the diffuse texture from the second skin, - // setup 1 as UV source and we have it - aiString sString; - if(AI_SUCCESS == aiGetMaterialString ( pcMat2, AI_MATKEY_TEXTURE_DIFFUSE(0),&sString )) { - iVal = 1; - pcMatOut->AddProperty<int>(&iVal,1,AI_MATKEY_UVWSRC_DIFFUSE(1)); - pcMatOut->AddProperty(&sString,AI_MATKEY_TEXTURE_DIFFUSE(1)); - } -} - -// ------------------------------------------------------------------------------------------------ -// Read a half-life 2 MDL -void MDLImporter::InternReadFile_HL2( ) -{ - //const MDL::Header_HL2* pcHeader = (const MDL::Header_HL2*)this->mBuffer; - throw DeadlyImportError("HL2 MDLs are not implemented"); -} - -#endif // !! ASSIMP_BUILD_NO_MDL_IMPORTER |