private static void Render()
{
if (sprites.Count == 0)
{
return;
}
Axiom.Graphics.RenderSystem rs = Root.Instance.RenderSystem;
var thisChunk = new Chunk();
var chunks = new List <Chunk>();
int newSize;
newSize = sprites.Count * 6;
if (newSize < MinimalHardwareBufferSize)
{
newSize = MinimalHardwareBufferSize;
}
// grow hardware buffer if needed
if (hardwareBuffer == null || hardwareBuffer.VertexCount < newSize)
{
if (hardwareBuffer != null)
{
HardwareBuffer_Destroy();
}
HardwareBuffer_Create(newSize);
}
// write quads to the hardware buffer, and remember chunks
unsafe
{
var buffer = (Vertex *)hardwareBuffer.Lock(BufferLocking.Discard).Pin();
LinkedListNode <Sprite> node = sprites.First;
Sprite currSpr;
while (node != null)
{
currSpr = node.Value;
thisChunk.Alpha = currSpr.Alpha;
thisChunk.TexHandle = currSpr.TexHandle;
for (int i = 0; i < 6; i++)
{
*buffer++ = new Vertex(currSpr.Pos[i], currSpr.UV[i]);
}
thisChunk.VertexCount += 6;
node = node.Next;
if (node == null || thisChunk.TexHandle != node.Value.TexHandle || thisChunk.Alpha != node.Value.Alpha)
{
chunks.Add(thisChunk);
thisChunk.VertexCount = 0;
}
}
}
hardwareBuffer.Unlock();
// set up...
RenderSystem_Setup();
// do the real render!
// do the real render!
Texture tp = null;
renderOp.vertexData.vertexStart = 0;
foreach (Chunk currChunk in chunks)
{
renderOp.vertexData.vertexCount = currChunk.VertexCount;
tp = (Texture)TextureManager.Instance.GetByHandle(currChunk.TexHandle);
rs.SetTexture(0, true, tp.Name);
rs.SetTextureUnitFiltering(0, FilterOptions.Linear, FilterOptions.Linear, FilterOptions.Point);
// set alpha
var alphaBlendMode = new LayerBlendModeEx();
alphaBlendMode.alphaArg1 = 0;
alphaBlendMode.alphaArg2 = currChunk.Alpha;
alphaBlendMode.source1 = LayerBlendSource.Texture;
alphaBlendMode.source2 = LayerBlendSource.Manual;
alphaBlendMode.blendType = LayerBlendType.Alpha;
alphaBlendMode.operation = LayerBlendOperationEx.Modulate;
alphaBlendMode.blendFactor = currChunk.Alpha;
rs.SetTextureBlendMode(0, alphaBlendMode);
rs.Render(renderOp);
renderOp.vertexData.vertexStart += currChunk.VertexCount;
}
if (tp != null)
{
tp.Dispose();
}
// sprites go home!
sprites.Clear();
}
public void Render(RenderSystem targetRenderSystem)
{
((Axiom.SceneManagers.Multiverse.SceneManager)TerrainManager.Instance.SceneManager).SetTreeRenderPass(billboardMaterial.GetBestTechnique(0).GetPass(0), this);
string lastTextureName = null;
foreach (TreeBillboardRenderOp op in renderOps)
{
// set the texture if necessary
if (op.textureName != lastTextureName)
{
targetRenderSystem.SetTexture(0, true, op.textureName);
lastTextureName = op.textureName;
}
targetRenderSystem.SetAlphaRejectSettings(CompareFunction.Greater, (byte)op.alpha);
targetRenderSystem.Render(op.renderOp);
}
}
