/// <summary>After the draw pass, builds flat buffers.</summary>
public void CompletedLayout()
{
int total = TotalBlockCount;
BlockCount = total;
if (total != LastBlockCount)
{
// We gained or lost some blocks - resize our buffers:
UV.Resize(total);
UV2.Resize(total);
Colours.Resize(total);
Vertices.Resize(total);
Triangles.Resize(total);
}
// Always make sure UV3 and Normals are valid:
if (Normals != null)
{
Normals.ResizeMatch(total, Vertices.Buffer.Length);
}
if (UV3 != null)
{
UV3.ResizeMatch(total, Vertices.Buffer.Length);
}
LastBlockCount = total;
// Flatten now:
Flatten(FirstBuffer, total);
// Output the new mesh data:
Flush();
}
/// <summary>Let the mesh know a layout routine was completed.
/// <see cref="PowerUI.Renderman.Layout"/>.</summary>
public void CompletedLayout()
{
if (BlockCount != LastBlockCount)
{
// We gained or lost some blocks - resize our buffers:
UV.Resize(BlockCount);
UV2.Resize(BlockCount);
if (Normals != null)
{
Normals.Resize(BlockCount);
}
if (Tangents != null)
{
Tangents.Resize(BlockCount);
}
Colours.Resize(BlockCount);
Vertices.Resize(BlockCount);
Triangles.Resize(BlockCount);
}
// Allocate the new block indices:
int vertexIndex = 0;
int triangleIndex = 0;
MeshBlock currentBlock = FirstBlock;
while (currentBlock != null)
{
currentBlock.VertexIndex = vertexIndex;
// Write the triangles:
// First triangle - Top left corner:
Triangles.Buffer[triangleIndex++] = vertexIndex;
// Top right corner:
Triangles.Buffer[triangleIndex++] = vertexIndex + 1;
// Bottom left corner:
Triangles.Buffer[triangleIndex++] = vertexIndex + 2;
// Second triangle - Top right corner:
Triangles.Buffer[triangleIndex++] = vertexIndex + 1;
// Bottom right corner:
Triangles.Buffer[triangleIndex++] = vertexIndex + 3;
// Bottom left corner:
Triangles.Buffer[triangleIndex++] = vertexIndex + 2;
// Write the block:
currentBlock.Layout();
currentBlock.Paint();
vertexIndex += 4;
currentBlock = currentBlock.BlockAfter;
}
// Output the new mesh data:
Flush();
}
