|
public Clone ( bool copyData ) : |
||
| copyData | bool | /// If true, makes a copy the vertex buffer in addition to the definition. /// If false, the clone will refer to the same vertex buffer this object refers to. /// |
| return | ||
public VertexData Clone( bool copyData )
{
VertexData dest = new VertexData();
// Copy vertex buffers in turn
Dictionary<short, HardwareVertexBuffer> bindings = vertexBufferBinding.Bindings;
foreach ( short source in bindings.Keys )
{
HardwareVertexBuffer srcbuf = bindings[ source ];
HardwareVertexBuffer dstBuf;
if ( copyData )
{
// create new buffer with the same settings
dstBuf =
HardwareBufferManager.Instance.CreateVertexBuffer( srcbuf.VertexDeclaration, srcbuf.VertexCount, srcbuf.Usage, srcbuf.HasShadowBuffer );
// copy data
dstBuf.CopyData( srcbuf, 0, 0, srcbuf.Size, true );
}
else
{
// don't copy, point at existing buffer
dstBuf = srcbuf;
}
// Copy binding
dest.vertexBufferBinding.SetBinding( source, dstBuf );
}
// Basic vertex info
dest.vertexStart = this.vertexStart;
dest.vertexCount = this.vertexCount;
// Copy elements
for ( int i = 0; i < vertexDeclaration.ElementCount; i++ )
{
VertexElement element = vertexDeclaration.GetElement( i );
dest.vertexDeclaration.AddElement( element.Source, element.Offset, element.Type, element.Semantic, element.Index );
}
// Copy hardware shadow buffer if set up
if ( hardwareShadowVolWBuffer != null )
{
dest.hardwareShadowVolWBuffer =
HardwareBufferManager.Instance.CreateVertexBuffer( hardwareShadowVolWBuffer.VertexDeclaration, hardwareShadowVolWBuffer.VertexCount, hardwareShadowVolWBuffer.Usage, hardwareShadowVolWBuffer.HasShadowBuffer );
// copy data
dest.hardwareShadowVolWBuffer.CopyData( hardwareShadowVolWBuffer, 0, 0, hardwareShadowVolWBuffer.Size,true );
}
// copy anim data
dest.HWAnimationDataList = HWAnimationDataList;
dest.HWAnimDataItemsUsed = HWAnimDataItemsUsed;
return dest;
}
|
VertexData::Clone ( ) : |
public GeometryBucket(MaterialBucket parent, string formatString,
VertexData vData, IndexData iData)
{
// Clone the structure from the example
this.parent = parent;
this.formatString = formatString;
vertexData = vData.Clone(false);
indexData = iData.Clone(false);
vertexData.vertexCount = 0;
vertexData.vertexStart = 0;
indexData.indexCount = 0;
indexData.indexStart = 0;
indexType = indexData.indexBuffer.Type;
queuedGeometry = new List<QueuedGeometry>();
// Derive the max vertices
if (indexType == IndexType.Size32)
maxVertexIndex = int.MaxValue;
else
maxVertexIndex = ushort.MaxValue;
// Check to see if we have blend indices / blend weights
// remove them if so, they can try to blend non-existent bones!
VertexElement blendIndices =
vertexData.vertexDeclaration.FindElementBySemantic(VertexElementSemantic.BlendIndices);
VertexElement blendWeights =
vertexData.vertexDeclaration.FindElementBySemantic(VertexElementSemantic.BlendWeights);
if (blendIndices != null && blendWeights != null) {
Debug.Assert(blendIndices.Source == blendWeights.Source,
"Blend indices and weights should be in the same buffer");
// Get the source
ushort source = blendIndices.Source;
Debug.Assert(blendIndices.Size + blendWeights.Size ==
vertexData.vertexBufferBinding.GetBuffer(source).VertexSize,
"Blend indices and blend buffers should have buffer to themselves!");
// Unset the buffer
vertexData.vertexBufferBinding.UnsetBinding(source);
// Remove the elements
vertexData.vertexDeclaration.RemoveElement(VertexElementSemantic.BlendIndices);
vertexData.vertexDeclaration.RemoveElement(VertexElementSemantic.BlendWeights);
}
}