(First post 2006 ... Yay!)
Hi all! I hope you had a good holiday!
I'm having some problems merging chunk materials (more specifically,
replacing one chunk with another).
This is what I do currently:
class MergeMaterialFunctor {
...
void doEnter(ChunkMaterialPtr cm)
ChunkMaterialPtr m_material;
}
void MergeMaterialFunctor::doEnter(ChunkMaterialPtr cm)
{
const MFStateChunkPtr& chunks = m_material->getChunks();
const MFInt32& slots = m_material->getSlots();
CPEdit(cm, ChunkMaterial::ChunksFieldMask);
for (unsigned int i = 0; i < chunks.size(); ++i) {
int slot = i < slots.size() ? slots[i] : State::AutoSlotReplace;
if (StateChunkPtr oldchunk = cm->find(chunks[i]->getType(), slot)) {
cm->subChunk(oldchunk, slot);
}
cm->addChunk(chunks[i], slot);
}
}
The problem is that the chunk returned by findChunk(), (that is, the
oldchunk) sometimes (rarely, but repeatable) isn't found by subChunk().
It's probably a basic mistake, but I can't spot it and the
chunk/slot-pairing semantics are a bit complex.
Any help welcome!
Best Regards,
/Marcus
P.S. In ChunkMaterial::find(), the ++index operation is inside the
if-clause. Is that really correct?
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