/// <summary>
/// generates renderOps from billboards. nulls billboards when done.
/// </summary>
public void FinishRebuild()
{
foreach (string textureName in billboards.Keys)
{
foreach (int alpha in billboards[textureName].Keys)
{
List<float[]>bbList = billboards[textureName][alpha];
RenderOperation renderOp = new RenderOperation();
renderOp.operationType = OperationType.TriangleList;
renderOp.useIndices = false;
VertexData vertexData = new VertexData();
vertexData.vertexCount = 6 * bbList.Count;
vertexData.vertexStart = 0;
// free the original vertex declaration to avoid a leak
HardwareBufferManager.Instance.DestroyVertexDeclaration(vertexData.vertexDeclaration);
// use common vertex declaration
vertexData.vertexDeclaration = TreeGroup.BillboardVertexDeclaration;
// create the hardware vertex buffer and set up the buffer binding
HardwareVertexBuffer hvBuffer = HardwareBufferManager.Instance.CreateVertexBuffer(
vertexData.vertexDeclaration.GetVertexSize(0), vertexData.vertexCount,
BufferUsage.StaticWriteOnly, false);
vertexData.vertexBufferBinding.SetBinding(0, hvBuffer);
renderOp.vertexData = vertexData;
// lock the vertex buffer
IntPtr ipBuf = hvBuffer.Lock(BufferLocking.Discard);
int bufferOff = 0;
unsafe
{
float* buffer = (float*)ipBuf.ToPointer();
foreach (float[] src in bbList)
{
buffer[bufferOff++] = src[0];
buffer[bufferOff++] = src[1];
buffer[bufferOff++] = src[2];
buffer[bufferOff++] = src[3];
buffer[bufferOff++] = src[4];
buffer[bufferOff++] = src[5];
buffer[bufferOff++] = src[6];
buffer[bufferOff++] = src[7];
buffer[bufferOff++] = src[8];
buffer[bufferOff++] = src[9];
buffer[bufferOff++] = src[10];
buffer[bufferOff++] = src[11];
buffer[bufferOff++] = src[12];
buffer[bufferOff++] = src[13];
buffer[bufferOff++] = src[14];
buffer[bufferOff++] = src[10];
buffer[bufferOff++] = src[11];
buffer[bufferOff++] = src[12];
buffer[bufferOff++] = src[13];
buffer[bufferOff++] = src[14];
buffer[bufferOff++] = src[15];
buffer[bufferOff++] = src[16];
buffer[bufferOff++] = src[17];
buffer[bufferOff++] = src[18];
buffer[bufferOff++] = src[19];
buffer[bufferOff++] = src[0];
buffer[bufferOff++] = src[1];
buffer[bufferOff++] = src[2];
buffer[bufferOff++] = src[3];
buffer[bufferOff++] = src[4];
}
}
hvBuffer.Unlock();
TreeBillboardRenderOp op = new TreeBillboardRenderOp(textureName, alpha, renderOp);
renderOps.Add(op);
}
}
billboards = null;
}
/// <summary>
/// generates renderOps from billboards. nulls billboards when done.
/// </summary>
public void FinishRebuild()
{
foreach (string textureName in billboards.Keys)
{
foreach (int alpha in billboards[textureName].Keys)
{
List <float[]> bbList = billboards[textureName][alpha];
RenderOperation renderOp = new RenderOperation();
renderOp.operationType = OperationType.TriangleList;
renderOp.useIndices = false;
VertexData vertexData = new VertexData();
vertexData.vertexCount = 6 * bbList.Count;
vertexData.vertexStart = 0;
// free the original vertex declaration to avoid a leak
HardwareBufferManager.Instance.DestroyVertexDeclaration(vertexData.vertexDeclaration);
// use common vertex declaration
vertexData.vertexDeclaration = TreeGroup.BillboardVertexDeclaration;
// create the hardware vertex buffer and set up the buffer binding
HardwareVertexBuffer hvBuffer = HardwareBufferManager.Instance.CreateVertexBuffer(
vertexData.vertexDeclaration.GetVertexSize(0), vertexData.vertexCount,
BufferUsage.StaticWriteOnly, false);
vertexData.vertexBufferBinding.SetBinding(0, hvBuffer);
renderOp.vertexData = vertexData;
// lock the vertex buffer
IntPtr ipBuf = hvBuffer.Lock(BufferLocking.Discard);
int bufferOff = 0;
unsafe
{
float *buffer = (float *)ipBuf.ToPointer();
foreach (float[] src in bbList)
{
buffer[bufferOff++] = src[0];
buffer[bufferOff++] = src[1];
buffer[bufferOff++] = src[2];
buffer[bufferOff++] = src[3];
buffer[bufferOff++] = src[4];
buffer[bufferOff++] = src[5];
buffer[bufferOff++] = src[6];
buffer[bufferOff++] = src[7];
buffer[bufferOff++] = src[8];
buffer[bufferOff++] = src[9];
buffer[bufferOff++] = src[10];
buffer[bufferOff++] = src[11];
buffer[bufferOff++] = src[12];
buffer[bufferOff++] = src[13];
buffer[bufferOff++] = src[14];
buffer[bufferOff++] = src[10];
buffer[bufferOff++] = src[11];
buffer[bufferOff++] = src[12];
buffer[bufferOff++] = src[13];
buffer[bufferOff++] = src[14];
buffer[bufferOff++] = src[15];
buffer[bufferOff++] = src[16];
buffer[bufferOff++] = src[17];
buffer[bufferOff++] = src[18];
buffer[bufferOff++] = src[19];
buffer[bufferOff++] = src[0];
buffer[bufferOff++] = src[1];
buffer[bufferOff++] = src[2];
buffer[bufferOff++] = src[3];
buffer[bufferOff++] = src[4];
}
}
hvBuffer.Unlock();
TreeBillboardRenderOp op = new TreeBillboardRenderOp(textureName, alpha, renderOp);
renderOps.Add(op);
}
}
billboards = null;
}
