void DX9LineRenderer::createBuffers(const Group& group)
{
#ifdef DX9LINERENDERER_AS_LINELIST
ArrayBuffer<LineVertex>* lvBuffer = dynamic_cast<ArrayBuffer<LineVertex>*>(group.createBuffer(GPU_BUFFER_NAME,ArrayBufferCreator<LineVertex>(2),0,false));
#else
DX9VertexBuffer<LineVertex>* lvBuffer = dynamic_cast<DX9VertexBuffer<LineVertex>*>(group.createBuffer(GPU_BUFFER_NAME,DX9VertexBufferCreator<LineVertex>((D3DFVF_XYZ|D3DFVF_DIFFUSE), 4),0,false));
#endif
gpuIterator = gpuBuffer = lvBuffer->getData();
#ifndef DX9LINERENDERER_AS_LINELIST
DX9IndexBuffer<short>* ibIndexBuffer = dynamic_cast<DX9IndexBuffer<short>*>(group.createBuffer(INDEX_BUFFER_NAME, DX9IndexBufferCreator<short>(D3DFMT_INDEX16, 6),0,false));
indexBuffer = ibIndexBuffer->getData();
int offsetIndex = 0;
// initialisation de l'index buffer
indexBuffer->Lock(0, group.getParticles().getNbReserved()*6*sizeof(short), (void**)&indexIterator, 0);
for(size_t i = 0; i < group.getParticles().getNbReserved(); i++)
{
//#define _DX9LINERENDERER_CLOCKWISE_
#ifdef _DX9LINERENDERER_CLOCKWISE_
*(indexIterator++) = 0 + offsetIndex;
*(indexIterator++) = 1 + offsetIndex;
*(indexIterator++) = 2 + offsetIndex;
*(indexIterator++) = 0 + offsetIndex;
*(indexIterator++) = 2 + offsetIndex;
*(indexIterator++) = 3 + offsetIndex;
#else
*(indexIterator++) = 0 + offsetIndex;
*(indexIterator++) = 2 + offsetIndex;
*(indexIterator++) = 1 + offsetIndex;
*(indexIterator++) = 0 + offsetIndex;
*(indexIterator++) = 3 + offsetIndex;
*(indexIterator++) = 2 + offsetIndex;
#endif
offsetIndex += 4;
}
indexBuffer->Unlock();
offsetIndex = 0;
#endif
}
bool DX9LineRenderer::checkBuffers(const Group& group)
{
ArrayBuffer<LineVertex>* lvBuffer = NULL;
if( (lvBuffer = dynamic_cast<ArrayBuffer<LineVertex>*>(group.getBuffer(GPU_BUFFER_NAME))) == NULL )
{
gpuBuffer = NULL;
return false;
}
gpuIterator = gpuBuffer = lvBuffer->getData();
#ifndef DX9LINERENDERER_AS_LINELIST
DX9IndexBuffer<short>* ibIndexBuffer = NULL;
if ((ibIndexBuffer = dynamic_cast<DX9IndexBuffer<short>*>(group.getBuffer(INDEX_BUFFER_NAME))) == NULL)
{
ibIndexBuffer = NULL;
return false;
}
indexBuffer = ibIndexBuffer->getData();
#endif
return true;
}
