private unsafe int ReadIndexData(int indexOffset, uint vertexOffset, IndexData indexData)
{
// get index data
HardwareIndexBufferSharedPtr indexBuf = indexData.indexBuffer;
HardwareIndexBuffer.IndexType indexType = indexBuf.Type;
uint * pLong = (uint *)(indexBuf.Lock(HardwareBuffer.LockOptions.HBL_READ_ONLY));
ushort *pShort = (ushort *)pLong;
for (uint i = 0; i < indexData.indexCount; i++)
{
if (indexType == HardwareIndexBuffer.IndexType.IT_32BIT)
{
_indices[indexOffset] = pLong[i] + vertexOffset;
}
else
{
_indices[indexOffset] = pShort[i] + vertexOffset;
}
indexOffset++;
}
indexBuf.Unlock();
// SGD ：2013/6/8 13:42:42
// 说明：销毁指针引用 防止.NET回收
indexBuf.Dispose();
return(indexOffset);
}
// cant override? well mogre wont be able to manage it! ...
public virtual void Dispose()
{
_ib.Dispose();
_vb.Dispose();
}