Refactor: Expand tabs to 4 spaces
This commit is contained in:
Richard
@@ -53,370 +53,370 @@ using namespace Assimp;
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// ------------------------------------------------------------------------------------------------
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void LWOImporter::LoadLWOBFile()
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{
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LE_NCONST uint8_t* const end = mFileBuffer + fileSize;
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bool running = true;
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while (running)
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{
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if (mFileBuffer + sizeof(IFF::ChunkHeader) > end)break;
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const IFF::ChunkHeader head = IFF::LoadChunk(mFileBuffer);
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LE_NCONST uint8_t* const end = mFileBuffer + fileSize;
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bool running = true;
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while (running)
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{
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if (mFileBuffer + sizeof(IFF::ChunkHeader) > end)break;
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const IFF::ChunkHeader head = IFF::LoadChunk(mFileBuffer);
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if (mFileBuffer + head.length > end)
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{
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throw DeadlyImportError("LWOB: Invalid chunk length");
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break;
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}
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uint8_t* const next = mFileBuffer+head.length;
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switch (head.type)
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{
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// vertex list
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case AI_LWO_PNTS:
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{
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if (!mCurLayer->mTempPoints.empty())
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DefaultLogger::get()->warn("LWO: PNTS chunk encountered twice");
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else LoadLWOPoints(head.length);
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break;
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}
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// face list
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case AI_LWO_POLS:
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{
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if (mFileBuffer + head.length > end)
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{
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throw DeadlyImportError("LWOB: Invalid chunk length");
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break;
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}
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uint8_t* const next = mFileBuffer+head.length;
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switch (head.type)
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{
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// vertex list
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case AI_LWO_PNTS:
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{
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if (!mCurLayer->mTempPoints.empty())
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DefaultLogger::get()->warn("LWO: PNTS chunk encountered twice");
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else LoadLWOPoints(head.length);
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break;
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}
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// face list
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case AI_LWO_POLS:
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{
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if (!mCurLayer->mFaces.empty())
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DefaultLogger::get()->warn("LWO: POLS chunk encountered twice");
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else LoadLWOBPolygons(head.length);
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break;
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}
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// list of tags
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case AI_LWO_SRFS:
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{
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if (!mTags->empty())
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DefaultLogger::get()->warn("LWO: SRFS chunk encountered twice");
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else LoadLWOTags(head.length);
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break;
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}
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if (!mCurLayer->mFaces.empty())
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DefaultLogger::get()->warn("LWO: POLS chunk encountered twice");
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else LoadLWOBPolygons(head.length);
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break;
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}
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// list of tags
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case AI_LWO_SRFS:
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{
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if (!mTags->empty())
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DefaultLogger::get()->warn("LWO: SRFS chunk encountered twice");
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else LoadLWOTags(head.length);
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break;
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}
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// surface chunk
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case AI_LWO_SURF:
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{
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LoadLWOBSurface(head.length);
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break;
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}
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}
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mFileBuffer = next;
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}
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// surface chunk
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case AI_LWO_SURF:
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{
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LoadLWOBSurface(head.length);
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break;
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}
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}
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mFileBuffer = next;
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}
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}
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// ------------------------------------------------------------------------------------------------
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void LWOImporter::LoadLWOBPolygons(unsigned int length)
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{
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// first find out how many faces and vertices we'll finally need
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LE_NCONST uint16_t* const end = (LE_NCONST uint16_t*)(mFileBuffer+length);
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LE_NCONST uint16_t* cursor = (LE_NCONST uint16_t*)mFileBuffer;
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// first find out how many faces and vertices we'll finally need
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LE_NCONST uint16_t* const end = (LE_NCONST uint16_t*)(mFileBuffer+length);
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LE_NCONST uint16_t* cursor = (LE_NCONST uint16_t*)mFileBuffer;
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// perform endianess conversions
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// perform endianess conversions
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#ifndef AI_BUILD_BIG_ENDIAN
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while (cursor < end)ByteSwap::Swap2(cursor++);
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cursor = (LE_NCONST uint16_t*)mFileBuffer;
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while (cursor < end)ByteSwap::Swap2(cursor++);
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cursor = (LE_NCONST uint16_t*)mFileBuffer;
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#endif
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unsigned int iNumFaces = 0,iNumVertices = 0;
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CountVertsAndFacesLWOB(iNumVertices,iNumFaces,cursor,end);
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unsigned int iNumFaces = 0,iNumVertices = 0;
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CountVertsAndFacesLWOB(iNumVertices,iNumFaces,cursor,end);
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// allocate the output array and copy face indices
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if (iNumFaces)
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{
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cursor = (LE_NCONST uint16_t*)mFileBuffer;
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// allocate the output array and copy face indices
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if (iNumFaces)
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{
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cursor = (LE_NCONST uint16_t*)mFileBuffer;
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mCurLayer->mFaces.resize(iNumFaces);
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FaceList::iterator it = mCurLayer->mFaces.begin();
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CopyFaceIndicesLWOB(it,cursor,end);
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}
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mCurLayer->mFaces.resize(iNumFaces);
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FaceList::iterator it = mCurLayer->mFaces.begin();
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CopyFaceIndicesLWOB(it,cursor,end);
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}
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}
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// ------------------------------------------------------------------------------------------------
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void LWOImporter::CountVertsAndFacesLWOB(unsigned int& verts, unsigned int& faces,
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LE_NCONST uint16_t*& cursor, const uint16_t* const end, unsigned int max)
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LE_NCONST uint16_t*& cursor, const uint16_t* const end, unsigned int max)
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{
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while (cursor < end && max--)
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{
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uint16_t numIndices;
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// must have 2 shorts left for numIndices and surface
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if (end - cursor < 2) {
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throw DeadlyImportError("LWOB: Unexpected end of file");
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}
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::memcpy(&numIndices, cursor++, 2);
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// must have enough left for indices and surface
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if (end - cursor < (1 + numIndices)) {
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throw DeadlyImportError("LWOB: Unexpected end of file");
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}
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verts += numIndices;
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faces++;
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cursor += numIndices;
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int16_t surface;
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::memcpy(&surface, cursor++, 2);
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if (surface < 0)
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{
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// there are detail polygons
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::memcpy(&numIndices, cursor++, 2);
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CountVertsAndFacesLWOB(verts,faces,cursor,end,numIndices);
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}
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}
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while (cursor < end && max--)
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{
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uint16_t numIndices;
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// must have 2 shorts left for numIndices and surface
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if (end - cursor < 2) {
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throw DeadlyImportError("LWOB: Unexpected end of file");
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}
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::memcpy(&numIndices, cursor++, 2);
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// must have enough left for indices and surface
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if (end - cursor < (1 + numIndices)) {
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throw DeadlyImportError("LWOB: Unexpected end of file");
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}
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verts += numIndices;
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faces++;
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cursor += numIndices;
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int16_t surface;
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::memcpy(&surface, cursor++, 2);
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if (surface < 0)
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{
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// there are detail polygons
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::memcpy(&numIndices, cursor++, 2);
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CountVertsAndFacesLWOB(verts,faces,cursor,end,numIndices);
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}
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}
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}
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// ------------------------------------------------------------------------------------------------
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void LWOImporter::CopyFaceIndicesLWOB(FaceList::iterator& it,
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LE_NCONST uint16_t*& cursor,
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const uint16_t* const end,
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unsigned int max)
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LE_NCONST uint16_t*& cursor,
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const uint16_t* const end,
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unsigned int max)
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{
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while (cursor < end && max--)
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{
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LWO::Face& face = *it;++it;
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uint16_t numIndices;
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::memcpy(&numIndices, cursor++, 2);
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face.mNumIndices = numIndices;
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if(face.mNumIndices)
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{
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if (cursor + face.mNumIndices >= end)
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{
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break;
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}
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face.mIndices = new unsigned int[face.mNumIndices];
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for (unsigned int i = 0; i < face.mNumIndices;++i)
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{
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unsigned int & mi = face.mIndices[i];
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uint16_t index;
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::memcpy(&index, cursor++, 2);
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mi = index;
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if (mi > mCurLayer->mTempPoints.size())
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{
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DefaultLogger::get()->warn("LWOB: face index is out of range");
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mi = (unsigned int)mCurLayer->mTempPoints.size()-1;
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}
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}
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}
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else DefaultLogger::get()->warn("LWOB: Face has 0 indices");
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int16_t surface;
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::memcpy(&surface, cursor++, 2);
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if (surface < 0)
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{
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surface = -surface;
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while (cursor < end && max--)
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{
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LWO::Face& face = *it;++it;
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uint16_t numIndices;
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::memcpy(&numIndices, cursor++, 2);
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face.mNumIndices = numIndices;
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if(face.mNumIndices)
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{
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if (cursor + face.mNumIndices >= end)
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{
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break;
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}
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face.mIndices = new unsigned int[face.mNumIndices];
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for (unsigned int i = 0; i < face.mNumIndices;++i)
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{
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unsigned int & mi = face.mIndices[i];
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uint16_t index;
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::memcpy(&index, cursor++, 2);
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mi = index;
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if (mi > mCurLayer->mTempPoints.size())
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{
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DefaultLogger::get()->warn("LWOB: face index is out of range");
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mi = (unsigned int)mCurLayer->mTempPoints.size()-1;
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}
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}
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}
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else DefaultLogger::get()->warn("LWOB: Face has 0 indices");
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int16_t surface;
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::memcpy(&surface, cursor++, 2);
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if (surface < 0)
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{
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surface = -surface;
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// there are detail polygons.
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uint16_t numPolygons;
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::memcpy(&numPolygons, cursor++, 2);
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if (cursor < end)
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{
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CopyFaceIndicesLWOB(it,cursor,end,numPolygons);
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}
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}
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face.surfaceIndex = surface-1;
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}
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// there are detail polygons.
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uint16_t numPolygons;
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::memcpy(&numPolygons, cursor++, 2);
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if (cursor < end)
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{
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CopyFaceIndicesLWOB(it,cursor,end,numPolygons);
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}
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}
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face.surfaceIndex = surface-1;
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}
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}
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// ------------------------------------------------------------------------------------------------
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LWO::Texture* LWOImporter::SetupNewTextureLWOB(LWO::TextureList& list,unsigned int size)
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{
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list.push_back(LWO::Texture());
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LWO::Texture* tex = &list.back();
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list.push_back(LWO::Texture());
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LWO::Texture* tex = &list.back();
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std::string type;
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GetS0(type,size);
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const char* s = type.c_str();
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std::string type;
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GetS0(type,size);
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const char* s = type.c_str();
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if(strstr(s, "Image Map"))
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{
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// Determine mapping type
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if(strstr(s, "Planar"))
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tex->mapMode = LWO::Texture::Planar;
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else if(strstr(s, "Cylindrical"))
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tex->mapMode = LWO::Texture::Cylindrical;
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else if(strstr(s, "Spherical"))
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tex->mapMode = LWO::Texture::Spherical;
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else if(strstr(s, "Cubic"))
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tex->mapMode = LWO::Texture::Cubic;
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else if(strstr(s, "Front"))
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tex->mapMode = LWO::Texture::FrontProjection;
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}
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else
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{
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// procedural or gradient, not supported
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DefaultLogger::get()->error("LWOB: Unsupported legacy texture: " + type);
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}
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if(strstr(s, "Image Map"))
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{
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// Determine mapping type
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if(strstr(s, "Planar"))
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tex->mapMode = LWO::Texture::Planar;
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else if(strstr(s, "Cylindrical"))
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tex->mapMode = LWO::Texture::Cylindrical;
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else if(strstr(s, "Spherical"))
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tex->mapMode = LWO::Texture::Spherical;
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else if(strstr(s, "Cubic"))
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tex->mapMode = LWO::Texture::Cubic;
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else if(strstr(s, "Front"))
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tex->mapMode = LWO::Texture::FrontProjection;
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}
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else
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{
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// procedural or gradient, not supported
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DefaultLogger::get()->error("LWOB: Unsupported legacy texture: " + type);
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}
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return tex;
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return tex;
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}
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// ------------------------------------------------------------------------------------------------
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void LWOImporter::LoadLWOBSurface(unsigned int size)
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{
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LE_NCONST uint8_t* const end = mFileBuffer + size;
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LE_NCONST uint8_t* const end = mFileBuffer + size;
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mSurfaces->push_back( LWO::Surface () );
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LWO::Surface& surf = mSurfaces->back();
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LWO::Texture* pTex = NULL;
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mSurfaces->push_back( LWO::Surface () );
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LWO::Surface& surf = mSurfaces->back();
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LWO::Texture* pTex = NULL;
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GetS0(surf.mName,size);
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bool runnning = true;
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while (runnning) {
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if (mFileBuffer + 6 >= end)
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break;
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GetS0(surf.mName,size);
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bool runnning = true;
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while (runnning) {
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if (mFileBuffer + 6 >= end)
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break;
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IFF::SubChunkHeader head = IFF::LoadSubChunk(mFileBuffer);
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IFF::SubChunkHeader head = IFF::LoadSubChunk(mFileBuffer);
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/* A single test file (sonycam.lwo) seems to have invalid surface chunks.
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* I'm assuming it's the fault of a single, unknown exporter so there are
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* probably THOUSANDS of them. Here's a dirty workaround:
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*
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* We don't break if the chunk limit is exceeded. Instead, we're computing
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* how much storage is actually left and work with this value from now on.
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*/
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if (mFileBuffer + head.length > end) {
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DefaultLogger::get()->error("LWOB: Invalid surface chunk length. Trying to continue.");
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head.length = (uint16_t) (end - mFileBuffer);
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}
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/* A single test file (sonycam.lwo) seems to have invalid surface chunks.
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* I'm assuming it's the fault of a single, unknown exporter so there are
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* probably THOUSANDS of them. Here's a dirty workaround:
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*
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* We don't break if the chunk limit is exceeded. Instead, we're computing
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* how much storage is actually left and work with this value from now on.
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*/
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if (mFileBuffer + head.length > end) {
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DefaultLogger::get()->error("LWOB: Invalid surface chunk length. Trying to continue.");
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head.length = (uint16_t) (end - mFileBuffer);
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}
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uint8_t* const next = mFileBuffer+head.length;
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switch (head.type)
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{
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// diffuse color
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case AI_LWO_COLR:
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{
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AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,COLR,3);
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surf.mColor.r = GetU1() / 255.0f;
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surf.mColor.g = GetU1() / 255.0f;
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surf.mColor.b = GetU1() / 255.0f;
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break;
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}
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// diffuse strength ...
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case AI_LWO_DIFF:
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{
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AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,DIFF,2);
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surf.mDiffuseValue = GetU2() / 255.0f;
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break;
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}
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// specular strength ...
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case AI_LWO_SPEC:
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{
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AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,SPEC,2);
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surf.mSpecularValue = GetU2() / 255.0f;
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break;
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}
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// luminosity ...
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case AI_LWO_LUMI:
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{
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AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,LUMI,2);
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surf.mLuminosity = GetU2() / 255.0f;
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break;
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}
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// transparency
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case AI_LWO_TRAN:
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{
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AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,TRAN,2);
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surf.mTransparency = GetU2() / 255.0f;
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break;
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}
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// surface flags
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case AI_LWO_FLAG:
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{
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AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,FLAG,2);
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uint16_t flag = GetU2();
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if (flag & 0x4 ) surf.mMaximumSmoothAngle = 1.56207f;
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if (flag & 0x8 ) surf.mColorHighlights = 1.f;
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if (flag & 0x100) surf.bDoubleSided = true;
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break;
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}
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// maximum smoothing angle
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case AI_LWO_SMAN:
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{
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AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,SMAN,4);
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surf.mMaximumSmoothAngle = std::fabs( GetF4() );
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break;
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}
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// glossiness
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case AI_LWO_GLOS:
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{
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AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,GLOS,2);
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surf.mGlossiness = (float)GetU2();
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break;
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}
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// color texture
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case AI_LWO_CTEX:
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{
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pTex = SetupNewTextureLWOB(surf.mColorTextures,
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head.length);
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break;
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}
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// diffuse texture
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case AI_LWO_DTEX:
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{
|
||||
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);
|
||||
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 (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;
|
||||
}
|
||||
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
|
||||
|
||||
Reference in New Issue
Block a user