/// <summary></summary>
/// <param name="onceShaderData"></param>
/// <param name="onceCloneShaderData"></param>
/// <param name="frameShaderData"></param>
/// <param name="frameMoveShaderData"></param>
public GpuParticleProcessorData(ParticleSystemCompiledShaderData onceShaderData, ParticleSystemCompiledShaderData onceCloneShaderData, ParticleSystemCompiledShaderData frameShaderData, ParticleSystemCompiledShaderData frameMoveShaderData)
{
this.OnceShaderData = onceShaderData;
this.OnceCloneShaderData = onceCloneShaderData;
this.FrameShaderData = frameShaderData;
this.FrameMoveShaderData = frameMoveShaderData;
this.onceShader = new GpuParticleShader(GpuVertexShaderData.VS_ONCE, this.OnceShaderData);
this.onceCloneShader = new GpuParticleShader(GpuVertexShaderData.VS_ONCE_CLONE, this.OnceCloneShaderData);
this.frameShader = new GpuParticleShader(GpuVertexShaderData.VS_FRAME, this.FrameShaderData);
this.frameMoveShader = new GpuParticleShader(GpuVertexShaderData.VS_ONCE_CLONE, this.FrameMoveShaderData);
}
//draw the particle update data
void IDraw.Draw(DrawState state)
{
int copyIndex = 0;
//keep an application wide cache of the vertices used
AllocateVertices(state);
//special mode, renderig the life / age of particles
if (renderLifeStoreMode)
{
DrawLifeAgeToStore(state);
return;
}
//otherwise, render normal
//move particles
if (activeRenderPass.CopyCount > 0)
{
while (activeRenderPass.CopyCount > 0)
{
int count = (this.processorData.FrameMoveShader as GpuParticleShader).SetMoveShaderEnabled(state, this, null, activeRenderPass.CopyData, null, activeRenderPass.CopyCount, copyIndex);
this.processorData.FrameMoveShader.Bind(state);
verticesRenderIndex.Draw(state, null, PrimitiveType.PointList, Math.Min(count, activeRenderPass.CopyCount), 0, 0);
activeRenderPass.CopyCount -= count;
copyIndex += count;
}
}
//particle are being added?
for (int i = 0; i < activeRenderPass.AddLists.Length; i++)
{
ProcessorAddList list = activeRenderPass.AddLists[i];
if (list.AddCount > 0)
{
copyIndex = 0;
GpuParticleShader shader = this.processorData.OnceShader as GpuParticleShader;
//added from a different processor?
if (list.processor != null)
{
shader = this.processorData.OnceCloneShader as GpuParticleShader;
Texture2D t0, t1, t2, t3, t4;
list.processor.GetLogicTextures(state, out t0, out t1, out t2, out t3, out t4);
shader.SetTextures(state, t0, t1, t2, t3, randomTexture.GetTexture(state), t4);
}
else
{
shader.SetTextures(state, null, null, null, null, randomTexture.GetTexture(state), null);
}
while (list.AddCount > 0)
{
//draw them
int count = shader.SetMoveShaderEnabled(state, this, list.processor, list.AddData, list.AddDetails, list.AddCount, copyIndex);
shader.Bind(state);
verticesRenderIndex.Draw(state, null, PrimitiveType.PointList, Math.Min(count, list.AddCount), 0, 0);
list.AddCount -= count;
copyIndex += count;
}
}
}
}
/// <summary></summary>
/// <param name="onceShaderData"></param>
/// <param name="onceCloneShaderData"></param>
/// <param name="frameShaderData"></param>
/// <param name="frameMoveShaderData"></param>
public GpuParticleProcessorData(ParticleSystemCompiledShaderData onceShaderData, ParticleSystemCompiledShaderData onceCloneShaderData, ParticleSystemCompiledShaderData frameShaderData, ParticleSystemCompiledShaderData frameMoveShaderData)
{
this.OnceShaderData = onceShaderData;
this.OnceCloneShaderData = onceCloneShaderData;
this.FrameShaderData = frameShaderData;
this.FrameMoveShaderData = frameMoveShaderData;
this.onceShader = new GpuParticleShader(this.OnceShaderData);
this.onceCloneShader = new GpuParticleShader(this.OnceCloneShaderData);
this.frameShader = new GpuParticleShader(this.FrameShaderData);
this.frameMoveShader = new GpuParticleShader(this.FrameMoveShaderData);
}
