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Diffstat (limited to 'src/3rdparty/assimp/code/LWOBLoader.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/LWOBLoader.cpp | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/src/3rdparty/assimp/code/LWOBLoader.cpp b/src/3rdparty/assimp/code/LWOBLoader.cpp deleted file mode 100644 index 6a07f81a7..000000000 --- a/src/3rdparty/assimp/code/LWOBLoader.cpp +++ /dev/null @@ -1,423 +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 Implementation of the LWO importer class for the older LWOB - file formats, including materials */ - - -#ifndef ASSIMP_BUILD_NO_LWO_IMPORTER - -// Internal headers -#include "LWOLoader.h" -using namespace Assimp; - - -// ------------------------------------------------------------------------------------------------ -void LWOImporter::LoadLWOBFile() -{ - LE_NCONST uint8_t* const end = mFileBuffer + fileSize; - bool running = true; - while (running) - { - if (mFileBuffer + sizeof(IFF::ChunkHeader) > end)break; - const IFF::ChunkHeader head = IFF::LoadChunk(mFileBuffer); - - if (mFileBuffer + head.length > end) - { - throw DeadlyImportError("LWOB: Invalid chunk length"); - break; - } - uint8_t* const next = mFileBuffer+head.length; - switch (head.type) - { - // vertex list - case AI_LWO_PNTS: - { - if (!mCurLayer->mTempPoints.empty()) - DefaultLogger::get()->warn("LWO: PNTS chunk encountered twice"); - else LoadLWOPoints(head.length); - break; - } - // face list - case AI_LWO_POLS: - { - - if (!mCurLayer->mFaces.empty()) - DefaultLogger::get()->warn("LWO: POLS chunk encountered twice"); - else LoadLWOBPolygons(head.length); - break; - } - // list of tags - case AI_LWO_SRFS: - { - if (!mTags->empty()) - DefaultLogger::get()->warn("LWO: SRFS chunk encountered twice"); - else LoadLWOTags(head.length); - break; - } - - // surface chunk - case AI_LWO_SURF: - { - LoadLWOBSurface(head.length); - break; - } - } - mFileBuffer = next; - } -} - -// ------------------------------------------------------------------------------------------------ -void LWOImporter::LoadLWOBPolygons(unsigned int length) -{ - // first find out how many faces and vertices we'll finally need - LE_NCONST uint16_t* const end = (LE_NCONST uint16_t*)(mFileBuffer+length); - LE_NCONST uint16_t* cursor = (LE_NCONST uint16_t*)mFileBuffer; - - // perform endianness conversions -#ifndef AI_BUILD_BIG_ENDIAN - while (cursor < end)ByteSwap::Swap2(cursor++); - cursor = (LE_NCONST uint16_t*)mFileBuffer; -#endif - - unsigned int iNumFaces = 0,iNumVertices = 0; - CountVertsAndFacesLWOB(iNumVertices,iNumFaces,cursor,end); - - // allocate the output array and copy face indices - if (iNumFaces) - { - cursor = (LE_NCONST uint16_t*)mFileBuffer; - - mCurLayer->mFaces.resize(iNumFaces); - FaceList::iterator it = mCurLayer->mFaces.begin(); - CopyFaceIndicesLWOB(it,cursor,end); - } -} - -// ------------------------------------------------------------------------------------------------ -void LWOImporter::CountVertsAndFacesLWOB(unsigned int& verts, unsigned int& faces, - LE_NCONST uint16_t*& cursor, const uint16_t* const end, unsigned int max) -{ - while (cursor < end && max--) - { - uint16_t numIndices; - // must have 2 shorts left for numIndices and surface - if (end - cursor < 2) { - throw DeadlyImportError("LWOB: Unexpected end of file"); - } - ::memcpy(&numIndices, cursor++, 2); - // must have enough left for indices and surface - if (end - cursor < (1 + numIndices)) { - throw DeadlyImportError("LWOB: Unexpected end of file"); - } - verts += numIndices; - faces++; - cursor += numIndices; - int16_t surface; - ::memcpy(&surface, cursor++, 2); - if (surface < 0) - { - // there are detail polygons - ::memcpy(&numIndices, cursor++, 2); - CountVertsAndFacesLWOB(verts,faces,cursor,end,numIndices); - } - } -} - -// ------------------------------------------------------------------------------------------------ -void LWOImporter::CopyFaceIndicesLWOB(FaceList::iterator& it, - LE_NCONST uint16_t*& cursor, - const uint16_t* const end, - unsigned int max) -{ - while (cursor < end && max--) - { - LWO::Face& face = *it;++it; - uint16_t numIndices; - ::memcpy(&numIndices, cursor++, 2); - face.mNumIndices = numIndices; - if(face.mNumIndices) - { - if (cursor + face.mNumIndices >= end) - { - break; - } - face.mIndices = new unsigned int[face.mNumIndices]; - for (unsigned int i = 0; i < face.mNumIndices;++i) - { - unsigned int & mi = face.mIndices[i]; - uint16_t index; - ::memcpy(&index, cursor++, 2); - mi = index; - if (mi > mCurLayer->mTempPoints.size()) - { - DefaultLogger::get()->warn("LWOB: face index is out of range"); - mi = (unsigned int)mCurLayer->mTempPoints.size()-1; - } - } - } - else DefaultLogger::get()->warn("LWOB: Face has 0 indices"); - int16_t surface; - ::memcpy(&surface, cursor++, 2); - if (surface < 0) - { - surface = -surface; - - // there are detail polygons. - uint16_t numPolygons; - ::memcpy(&numPolygons, cursor++, 2); - if (cursor < end) - { - CopyFaceIndicesLWOB(it,cursor,end,numPolygons); - } - } - face.surfaceIndex = surface-1; - } -} - -// ------------------------------------------------------------------------------------------------ -LWO::Texture* LWOImporter::SetupNewTextureLWOB(LWO::TextureList& list,unsigned int size) -{ - list.push_back(LWO::Texture()); - LWO::Texture* tex = &list.back(); - - std::string type; - GetS0(type,size); - const char* s = type.c_str(); - - if(strstr(s, "Image Map")) - { - // Determine mapping type - if(strstr(s, "Planar")) - tex->mapMode = LWO::Texture::Planar; - else if(strstr(s, "Cylindrical")) - tex->mapMode = LWO::Texture::Cylindrical; - else if(strstr(s, "Spherical")) - tex->mapMode = LWO::Texture::Spherical; - else if(strstr(s, "Cubic")) - tex->mapMode = LWO::Texture::Cubic; - else if(strstr(s, "Front")) - tex->mapMode = LWO::Texture::FrontProjection; - } - else - { - // procedural or gradient, not supported - DefaultLogger::get()->error("LWOB: Unsupported legacy texture: " + type); - } - - return tex; -} - -// ------------------------------------------------------------------------------------------------ -void LWOImporter::LoadLWOBSurface(unsigned int size) -{ - LE_NCONST uint8_t* const end = mFileBuffer + size; - - mSurfaces->push_back( LWO::Surface () ); - LWO::Surface& surf = mSurfaces->back(); - LWO::Texture* pTex = NULL; - - GetS0(surf.mName,size); - bool running = true; - while (running) { - if (mFileBuffer + 6 >= end) - break; - - IFF::SubChunkHeader head = IFF::LoadSubChunk(mFileBuffer); - - /* A single test file (sonycam.lwo) seems to have invalid surface chunks. - * I'm assuming it's the fault of a single, unknown exporter so there are - * probably THOUSANDS of them. Here's a dirty workaround: - * - * We don't break if the chunk limit is exceeded. Instead, we're computing - * how much storage is actually left and work with this value from now on. - */ - if (mFileBuffer + head.length > end) { - DefaultLogger::get()->error("LWOB: Invalid surface chunk length. Trying to continue."); - head.length = (uint16_t) (end - mFileBuffer); - } - - uint8_t* const next = mFileBuffer+head.length; - switch (head.type) - { - // diffuse color - case AI_LWO_COLR: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,COLR,3); - surf.mColor.r = GetU1() / 255.0f; - surf.mColor.g = GetU1() / 255.0f; - surf.mColor.b = GetU1() / 255.0f; - break; - } - // diffuse strength ... - case AI_LWO_DIFF: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,DIFF,2); - surf.mDiffuseValue = GetU2() / 255.0f; - break; - } - // specular strength ... - case AI_LWO_SPEC: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,SPEC,2); - surf.mSpecularValue = GetU2() / 255.0f; - break; - } - // luminosity ... - case AI_LWO_LUMI: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,LUMI,2); - surf.mLuminosity = GetU2() / 255.0f; - break; - } - // transparency - case AI_LWO_TRAN: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,TRAN,2); - surf.mTransparency = GetU2() / 255.0f; - break; - } - // surface flags - case AI_LWO_FLAG: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,FLAG,2); - uint16_t flag = GetU2(); - if (flag & 0x4 ) surf.mMaximumSmoothAngle = 1.56207f; - if (flag & 0x8 ) surf.mColorHighlights = 1.f; - if (flag & 0x100) surf.bDoubleSided = true; - break; - } - // maximum smoothing angle - case AI_LWO_SMAN: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,SMAN,4); - surf.mMaximumSmoothAngle = std::fabs( GetF4() ); - break; - } - // glossiness - case AI_LWO_GLOS: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,GLOS,2); - surf.mGlossiness = (float)GetU2(); - break; - } - // color texture - case AI_LWO_CTEX: - { - pTex = SetupNewTextureLWOB(surf.mColorTextures, - head.length); - break; - } - // diffuse texture - case AI_LWO_DTEX: - { - pTex = SetupNewTextureLWOB(surf.mDiffuseTextures, - head.length); - break; - } - // specular texture - case AI_LWO_STEX: - { - pTex = SetupNewTextureLWOB(surf.mSpecularTextures, - head.length); - break; - } - // bump texture - case AI_LWO_BTEX: - { - pTex = SetupNewTextureLWOB(surf.mBumpTextures, - head.length); - break; - } - // transparency texture - case AI_LWO_TTEX: - { - pTex = SetupNewTextureLWOB(surf.mOpacityTextures, - head.length); - break; - } - // texture path - case AI_LWO_TIMG: - { - if (pTex) { - GetS0(pTex->mFileName,head.length); - } - else DefaultLogger::get()->warn("LWOB: Unexpected TIMG chunk"); - break; - } - // texture strength - case AI_LWO_TVAL: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,TVAL,1); - if (pTex) { - pTex->mStrength = (float)GetU1()/ 255.f; - } - else DefaultLogger::get()->warn("LWOB: Unexpected TVAL chunk"); - break; - } - // texture flags - case AI_LWO_TFLG: - { - AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,TFLG,2); - - if (pTex) - { - const uint16_t s = GetU2(); - if (s & 1) - pTex->majorAxis = LWO::Texture::AXIS_X; - else if (s & 2) - pTex->majorAxis = LWO::Texture::AXIS_Y; - else if (s & 4) - pTex->majorAxis = LWO::Texture::AXIS_Z; - - if (s & 16) - DefaultLogger::get()->warn("LWOB: Ignoring \'negate\' flag on texture"); - } - else DefaultLogger::get()->warn("LWOB: Unexpected TFLG chunk"); - break; - } - } - mFileBuffer = next; - } -} - -#endif // !! ASSIMP_BUILD_NO_LWO_IMPORTER |