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Collada importer: Add support for line strip primitives

pull/1400/head
Tammo Hinrichs 2017-08-23 17:52:53 +02:00
parent 91f6a9a721
commit 92beee9924
1 changed files with 10 additions and 1 deletions
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11
code/ColladaParser.cpp
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@ -2231,7 +2231,7 @@ void ColladaParser::ReadIndexData( Mesh* pMesh)
} }
#ifdef ASSIMP_BUILD_DEBUG #ifdef ASSIMP_BUILD_DEBUG
if (primType != Prim_TriFans && primType != Prim_TriStrips && if (primType != Prim_TriFans && primType != Prim_TriStrips && primType != Prim_LineStrip &&
primType != Prim_Lines) { // this is ONLY to workaround a bug in SketchUp 15.3.331 where it writes the wrong 'count' when it writes out the 'lines'. primType != Prim_Lines) { // this is ONLY to workaround a bug in SketchUp 15.3.331 where it writes the wrong 'count' when it writes out the 'lines'.
ai_assert(actualPrimitives == numPrimitives); ai_assert(actualPrimitives == numPrimitives);
} }
@ -2400,6 +2400,10 @@ size_t ColladaParser::ReadPrimitives( Mesh* pMesh, std::vector<InputChannel>& pP
size_t numberOfVertices = indices.size() / numOffsets; size_t numberOfVertices = indices.size() / numOffsets;
numPrimitives = numberOfVertices - 2; numPrimitives = numberOfVertices - 2;
} }
if (pPrimType == Prim_LineStrip) {
size_t numberOfVertices = indices.size() / numOffsets;
numPrimitives = numberOfVertices - 1;
}
pMesh->mFaceSize.reserve( numPrimitives); pMesh->mFaceSize.reserve( numPrimitives);
pMesh->mFacePosIndices.reserve( indices.size() / numOffsets); pMesh->mFacePosIndices.reserve( indices.size() / numOffsets);
@ -2416,6 +2420,11 @@ size_t ColladaParser::ReadPrimitives( Mesh* pMesh, std::vector<InputChannel>& pP
for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++)
CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
break; break;
case Prim_LineStrip:
numPoints = 2;
for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++)
CopyVertex(currentVertex, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices);
break;
case Prim_Triangles: case Prim_Triangles:
numPoints = 3; numPoints = 3;
for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++)