//---------------------------------------------------------------------
TangentSpaceCalc::Result TangentSpaceCalc::build(
VertexElementSemantic targetSemantic,
unsigned short sourceTexCoordSet, unsigned short index)
{
Result res;
// Pull out all the vertex components we'll need
populateVertexArray(sourceTexCoordSet);
// Now process the faces and calculate / add their contributions
processFaces(res);
// Now normalise & orthogonalise
normaliseVertices();
// Create new final geometry
// First extend existing buffers to cope with new vertices
extendBuffers(res.vertexSplits);
// Alter indexes
remapIndexes(res);
// Create / identify target & write tangents
insertTangents(res, targetSemantic, sourceTexCoordSet, index);
return res;
}
//---------------------------------------------------------------------
void OptimiseTool::remapIndexDataList()
{
for (IndexDataList::iterator i = mIndexDataList.begin(); i != mIndexDataList.end(); ++i)
{
IndexData* idata = *i;
remapIndexes(idata);
}
}
//---------------------------------------------------------------------
void OptimiseTool::fixLOD(SubMesh::LODFaceList lodFaces)
{
for (SubMesh::LODFaceList::iterator l = lodFaces.begin();
l != lodFaces.end(); ++l)
{
IndexData* idata = *l;
print(" fixing LOD...");
remapIndexes(idata);
}
}
//---------------------------------------------------------------------
void TangentSpaceCalc::remapIndexes(Result& res)
{
for (size_t i = 0; i < mIDataList.size(); ++i)
{
IndexData* idata = mIDataList[i];
// Now do index data
// no new buffer required, same size but some triangles remapped
if (idata->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT)
{
uint32* p32 = static_cast<uint32*>(idata->indexBuffer->lock(HardwareBuffer::HBL_NORMAL));
remapIndexes(p32, i, res);
}
else
{
uint16* p16 = static_cast<uint16*>(idata->indexBuffer->lock(HardwareBuffer::HBL_NORMAL));
remapIndexes(p16, i, res);
}
idata->indexBuffer->unlock();
}
}
//---------------------------------------------------------------------
TangentSpaceCalc::Result TangentSpaceCalc::build(
VertexElementSemantic targetSemantic,
unsigned short sourceTexCoordSet, unsigned short index)
{
if (index == 0 && targetSemantic == VES_TEXTURE_COORDINATES)
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Destination texture coordinate set must be greater than 0",
"TangentSpaceCalc::build");
}
Result res;
// Pull out all the vertex components we'll need
populateVertexArray(sourceTexCoordSet);
// Now process the faces and calculate / add their contributions
processFaces(res);
// Now normalise & orthogonalise
normaliseVertices();
// Create new final geometry
// First extend existing buffers to cope with new vertices
extendBuffers(res.vertexSplits);
// Alter indexes
remapIndexes(res);
// Create / identify target & write tangents
insertTangents(res, targetSemantic, sourceTexCoordSet, index);
return res;
}
