public void BindParticleVB(CPass pass)
{
if (SubStates == null || SubStates.Length == 0)
{
return;
}
if (pass != null && pass.GeometryMesh != null)
{//这里在粒子Mesh创建Pass的时候调用
if (pass.AttachVBs == null)
{
if (HostActorMesh != null && HostActorMesh.SceneMesh != null)//MeshPrimitives
{
pass.AttachVBs = new CVertexArray();
if (TrailNode != null && IsTrail && pass.GeometryMesh != null)
{
pass.BindGeometry(TrailNode.GeomMesh, 0, 0);
}
else
{
pass.BindGeometry(HostActorMesh.SceneMesh.MeshPrimitives, 0, 0);
}
pass.AttachVBs.BindVertexBuffer(EVertexSteamType.VST_InstPos, mPosVB);
pass.AttachVBs.BindVertexBuffer(EVertexSteamType.VST_InstScale, mScaleVB);
pass.AttachVBs.BindVertexBuffer(EVertexSteamType.VST_InstQuat, mRotateVB);
pass.AttachVBs.BindVertexBuffer(EVertexSteamType.VST_F4_1, mColorVB);
if (MaterialInstanceNode != null)
{
MaterialInstanceNode.SetMaterialInstanceValue(HostActorMesh.SceneMesh);
}
}
}
if (pass.AttachVBs == null)
{
return;
}
if (TrailNode != null && IsTrail && pass.GeometryMesh != null)
{
if (TrailNode.TrailDataControlData != null && TrailNode.TrailDataControlData.IsVaild())
{
TrailNode.TrailDataControlData.BindBuffs(CEngine.Instance.RenderContext, TrailNode.GeomMesh);
pass.AttachVBs.NumInstances = 1;
}
else
{
pass.AttachVBs.NumInstances = 0;
}
}
else
{
pass.AttachVBs.NumInstances = (uint)ParticleNumber;
}
}
}
public void CookViewportMeshToPass(CRenderContext RHICtx, CGfxShadingEnv ShaderEnv, CGfxCamera Camera, CGfxMesh ViewportMesh)
{
if (ViewportMesh == null)
{
Profiler.Log.WriteLine(Profiler.ELogTag.Error, "@Graphic", $"ViewportViewError!!!", "");
System.Diagnostics.Debug.Assert(false);
return;
}
if (mPass == null)
{
System.Diagnostics.Debug.Assert(false);
return;
}
ViewportMesh.MeshPrimitives.PreUse(false);
var refMtlMesh = ViewportMesh.MtlMeshArray[0];
if (refMtlMesh == null)
{
return;
}
mPass.RenderPipeline.RasterizerState = mRasterState;
mPass.RenderPipeline.DepthStencilState = mDepthStencilState;
mPass.RenderPipeline.BlendState = mBlendState;
mPass.BindShaderTextures(refMtlMesh);
//if(mPass.ShaderSamplerBinder==null)
//{
// mPass.ShaderSamplerBinder = new CShaderSamplers();
//}
//refMtlMesh.GetSamplerBinder(RHICtx, mPass.Effect.ShaderProgram, mPass.ShaderSamplerBinder);
//var tempSampler = new CShaderSamplers();
var tempSampler = mCookVPMeshSampler;
refMtlMesh.GetSamplerBinder(RHICtx, mPass.Effect.ShaderProgram, tempSampler);
mPass.ShaderSamplerBinder = tempSampler;
ShaderEnv.BindResources(ViewportMesh, mPass);
mPass.BindGeometry(ViewportMesh.MeshPrimitives, 0, 0);
mPass.ViewPort = mViewport;
mPass.BindCBuffer(mPass.Effect.ShaderProgram, mPass.Effect.CacheData.CBID_Camera, Camera.CBuffer);
mPass.BindCBuffer(mPass.Effect.ShaderProgram, mPass.Effect.CacheData.CBID_View, mScreenViewCB);
mPass.OnCookRenderData(ShaderEnv, PrebuildPassIndex.PPI_Default);
return;
}
