Irrlicht Engine

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			for( j = 0; j < theMeshBuff-> getVertexCount() ; ++j )
			{
				int theBaseIndex = theCurrentVertex * 3;
				theVertices[theBaseIndex] = theBufferVertices[j].Pos.X;
				theVertices[theBaseIndex + 1] = theBufferVertices[j].Pos.Y;
				theVertices[theBaseIndex + 2] = theBufferVertices[j].Pos.Z;

				std::ostringstream theDebugMsg;
				theDebugMsg << "\nVertex " << theCurrentVertex << ": (" <<	theBufferVertices[j].Pos.X << ", " << theBufferVertices[j].Pos.Y << ", " << theBufferVertices[j].Pos.Z << ")";

				OutputDebugString( theDebugMsg.str().c_str() );

				++theCurrentVertex;
			} 

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SimpleMeshFormat 1
1
Box01
8
-109.868 4.03141 14.4375
-109.868 0.949764 14.4375
119.868 4.03141 14.4375
119.868 0.949764 14.4375
119.868 4.03141 -14.4375
119.868 0.949764 -14.4375
-109.868 4.03141 -14.4375
-109.868 0.949764 -14.4375
12
1 0 1 2 0 0 1 0 0 1 0 0 1 0 0 0 1 1 0
1 1 3 2 0 0 1 0 0 1 0 0 1 0 1 1 1 1 0
2 2 3 4 1 0 0 1 0 0 1 0 0 0 0 0 1 1 0
2 3 5 4 1 0 0 1 0 0 1 0 0 0 1 1 1 1 0
1 4 5 6 0 0 -1 0 0 -1 0 0 -1 0 0 0 1 1 0
1 5 7 6 0 0 -1 0 0 -1 0 0 -1 0 1 1 1 1 0
2 6 7 0 -1 0 0 -1 0 0 -1 0 0 0 0 0 1 1 0
2 7 1 0 -1 0 0 -1 0 0 -1 0 0 0 1 1 1 1 0
3 6 0 4 0 1 0 0 1 0 0 1 0 0 0 0 1 1 0
3 0 2 4 0 1 0 0 1 0 0 1 0 0 1 1 1 1 0
3 1 7 3 0 -1 0 0 -1 0 0 -1 0 0 0 0 1 1 0
3 7 5 3 0 -1 0 0 -1 0 0 -1 0 0 1 1 1 1 0

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ODE_API void dGeomTriMeshDataBuildSimple(dTriMeshDataID g,
                                 const dReal* Vertices, int VertexCount,
                                 const dTriIndex* Indices, int IndexCount);

Code: Select all

    int theIndexCount = 0;
    int theVertexCount = 0;
    // count vertices and indices
    for( int i = 0; i < theMesh->getMeshBufferCount(); ++i)
	{
		irr::scene::IMeshBuffer* theMeshBuff= theMesh->getMeshBuffer( i );
		theIndexCount += theMeshBuff->getIndexCount();
		theVertexCount += theMeshBuff->getVertexCount();
    }

	int theMeshBuffCount = theMesh->getMeshBufferCount();

    // build structure for ode trimesh geom
    float* theVertices = new float[theVertexCount * 3];
    dTriIndex* theIndices = new dTriIndex[theIndexCount];

    // fill trimesh geom
	int theCurrentIndex = 0;
	int theIrrVertexOffset = 0;
	int theCurrentVertex = 0;

	int i;
	int j;

    for( i = 0 ; i < theMesh->getMeshBufferCount(); ++i)
	{
		irr::scene::IMeshBuffer* theMeshBuff = theMesh->getMeshBuffer( i );
		// fill indices
		irr::u16* theBufferIndices = theMeshBuff->getIndices();

		for( j = 0; j < theMeshBuff->getIndexCount(); j++)
		{
			// scale the indices from multiple meshbuffers to single index array
			theIndices[theCurrentIndex] = theIrrVertexOffset + theBufferIndices[j];

			std::ostringstream theDebugMsg;
			theDebugMsg << "\n Index " << theCurrentIndex << ": " << theBufferIndices[j] << " + offset:" << theIrrVertexOffset;
			OutputDebugString( theDebugMsg.str().c_str() );

			++theCurrentIndex;
		}

		// update the offset for the next meshbuffer
		theIrrVertexOffset = theIrrVertexOffset + theMeshBuff->getVertexCount();
		
		// fill vertices
		if( theMeshBuff->getVertexType() == irr::video::EVT_STANDARD )
		{
			irr::video::S3DVertex* theBufferVertices=
				  (irr::video::S3DVertex*) theMeshBuff->getVertices();

			for( j = 0; j < theMeshBuff-> getVertexCount() ; ++j )
			{
				int theBaseIndex = theCurrentVertex * 3;
				theVertices[theBaseIndex] = theBufferVertices[j].Pos.X;
				theVertices[theBaseIndex + 1] = theBufferVertices[j].Pos.Y;
				theVertices[theBaseIndex + 2] = theBufferVertices[j].Pos.Z;

				std::ostringstream theDebugMsg;
				theDebugMsg << "\nVertex " << theCurrentVertex << ": (" <<	theBufferVertices[j].Pos.X << ", " << theBufferVertices[j].Pos.Y << ", " << theBufferVertices[j].Pos.Z << ")";

				OutputDebugString( theDebugMsg.str().c_str() );

				++theCurrentVertex;
			} 
		}
	}

	irr::core::vector3df thePosition = aMeshNode->getPosition();

	// build the trimesh data
	dTriMeshDataID theData = dGeomTriMeshDataCreate();
	//TODO: check on memory management of Data.  Is it destroyed with our Geom?

	dGeomTriMeshDataBuildSimple( theData,(dReal*)theVertices, 
					  theVertexCount, theIndices, theIndexCount);
	// build the trimesh geom 
	mPhysicsInfo.geomId = dCreateTriMesh( aWorldInfo.spaceId, theData, 0, 0, 0);

	// set the geom position 
	dGeomSetPosition( mPhysicsInfo.geomId, thePosition.X, thePosition.Y, thePosition.Z);
}