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BlueRoseNote/02-Note/DAWA/ASoul/渲染方案/材质部分.md

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Content/ResArt/CommandMaterial

Functions

  • #ShadingModels
    • MF_ToonPBRShadingModel
    • MF_ToonBaseShadingModel
    • MF_ToonSkinShadingModel
    • MF_ToonHairShadingModel
  • Effects
    • MF_Dissolve
    • MF_EdgeLight
    • MF_Fur
  • Tools
    • MF_DecodeArrayIDAndAlpha
    • MF_Hash11
    • MF_Hash12
    • MF_Hash13
    • MF_Hash22
    • MF_Hash23

ShadingModels

采用CustomNode构造FMaterialAttributesde的之后传递到MaterialAttribute模式的材质中，其他骚操作还有：

  1. 使用宏开启MRT5：#define PIXELSHADEROUTPUT_MRT5 1
  2. 设置ShadingModelID：Result.ShadingModel = 14;
  3. 使用FToonShadingPerMaterialCustomData ToonShadingPerMaterialCustomData（位于Common.ush)来传递卡通渲染用数据，之后在BasePassPixelShader.ush中将数据塞入GBuffer中。

MF_ToonPBRShadingModel

FMaterialAttributes Result;
Result.BaseColor = float3(1.0, 1.0, 1.0);
Result.Metallic = 0.0;
Result.Specular = 0.0;
Result.Roughness = 0.0;
Result.Anisotropy = 0.0;
Result.EmissiveColor = float3(0.0, 0.0, 0.0);
Result.Opacity = 1.0;
Result.OpacityMask = 1.0;
Result.Normal = float3(0.0, 0.0, 1.0);
Result.Tangent = float3(1.0, 0.0, 0.0);
Result.WorldPositionOffset = float3(0.0, 0.0, 0.0);
Result.SubsurfaceColor = float3(1.0, 1.0, 1.0);
Result.ClearCoat = 1.0;
Result.ClearCoatRoughness = 0.1;
Result.AmbientOcclusion = 1.0;
Result.Refraction = float3(0.0, 0.0, 0.0);
Result.PixelDepthOffset = 0.0;
Result.ShadingModel = 1;
Result.CustomizedUV0 = float2(0.0, 0.0);
Result.CustomizedUV1 = float2(0.0, 0.0);
Result.CustomizedUV2 = float2(0.0, 0.0);
Result.CustomizedUV3 = float2(0.0, 0.0);
Result.CustomizedUV4 = float2(0.0, 0.0);
Result.CustomizedUV5 = float2(0.0, 0.0);
Result.CustomizedUV6 = float2(0.0, 0.0);
Result.CustomizedUV7 = float2(0.0, 0.0);
Result.BentNormal = float3(0.0, 0.0, 1.0);
Result.ClearCoatBottomNormal = float3(0.0, 0.0, 1.0);
Result.CustomEyeTangent = float3(0.0, 0.0, 0.0);

#define PIXELSHADEROUTPUT_MRT5 1

Result.ShadingModel = 14;
ToonShadingPerMaterialCustomData.ToonSpecularColor = saturate(SpecularColor.rgb);
ToonShadingPerMaterialCustomData.ToonShadowColor = saturate(ShadowColor.rgb);
ToonShadingPerMaterialCustomData.ToonShadowLocation = saturate(CutPosition);
ToonShadingPerMaterialCustomData.ToonShadowSmoothness = saturate(CutSmoothness);

return Result;

MF_ToonBaseShadingModel

FMaterialAttributes Result;
Result.BaseColor = float3(1.0, 1.0, 1.0);
Result.Metallic = 0.0;
Result.Specular = 0.0;
Result.Roughness = 0.0;
Result.Anisotropy = 0.0;
Result.EmissiveColor = float3(0.0, 0.0, 0.0);
Result.Opacity = 1.0;
Result.OpacityMask = 1.0;
Result.Normal = float3(0.0, 0.0, 1.0);
Result.Tangent = float3(1.0, 0.0, 0.0);
Result.WorldPositionOffset = float3(0.0, 0.0, 0.0);
Result.SubsurfaceColor = float3(1.0, 1.0, 1.0);
Result.ClearCoat = 1.0;
Result.ClearCoatRoughness = 0.1;
Result.AmbientOcclusion = 1.0;
Result.Refraction = float3(0.0, 0.0, 0.0);
Result.PixelDepthOffset = 0.0;
Result.ShadingModel = 1;
Result.CustomizedUV0 = float2(0.0, 0.0);
Result.CustomizedUV1 = float2(0.0, 0.0);
Result.CustomizedUV2 = float2(0.0, 0.0);
Result.CustomizedUV3 = float2(0.0, 0.0);
Result.CustomizedUV4 = float2(0.0, 0.0);
Result.CustomizedUV5 = float2(0.0, 0.0);
Result.CustomizedUV6 = float2(0.0, 0.0);
Result.CustomizedUV7 = float2(0.0, 0.0);
Result.BentNormal = float3(0.0, 0.0, 1.0);
Result.ClearCoatBottomNormal = float3(0.0, 0.0, 1.0);
Result.CustomEyeTangent = float3(0.0, 0.0, 0.0);

#define PIXELSHADEROUTPUT_MRT5 1

Result.ShadingModel = 13;
ToonShadingPerMaterialCustomData.ToonShadowColor = saturate(ShadowColor.rgb);
ToonShadingPerMaterialCustomData.ToonShadowLocation = clamp(ShadowLocation, 0, SpecularLocation);
ToonShadingPerMaterialCustomData.ToonShadowSmoothness = saturate(ShadowSmoothness);
ToonShadingPerMaterialCustomData.ToonForceShadow = saturate(ForceShadow);
ToonShadingPerMaterialCustomData.ToonSecondaryShadowColor = saturate(SecondaryShadowColor.rgb);
ToonShadingPerMaterialCustomData.ToonSecondaryShadowLocation = clamp(SecondaryShadowLocation, 0, SpecularLocation);
ToonShadingPerMaterialCustomData.ToonSecondaryShadowSmoothness = saturate(SecondaryShadowSmoothness);

return Result;

MF_ToonSkinShadingModel

FMaterialAttributes Result;
Result.BaseColor = float3(1.0, 1.0, 1.0);
Result.Metallic = 0.0;
Result.Specular = 0.0;
Result.Roughness = 0.0;
Result.Anisotropy = 0.0;
Result.EmissiveColor = float3(0.0, 0.0, 0.0);
Result.Opacity = 1.0;
Result.OpacityMask = 1.0;
Result.Normal = float3(0.0, 0.0, 1.0);
Result.Tangent = float3(1.0, 0.0, 0.0);
Result.WorldPositionOffset = float3(0.0, 0.0, 0.0);
Result.SubsurfaceColor = float3(1.0, 1.0, 1.0);
Result.ClearCoat = 1.0;
Result.ClearCoatRoughness = 0.1;
Result.AmbientOcclusion = 1.0;
Result.Refraction = float3(0.0, 0.0, 0.0);
Result.PixelDepthOffset = 0.0;
Result.ShadingModel = 1;
Result.CustomizedUV0 = float2(0.0, 0.0);
Result.CustomizedUV1 = float2(0.0, 0.0);
Result.CustomizedUV2 = float2(0.0, 0.0);
Result.CustomizedUV3 = float2(0.0, 0.0);
Result.CustomizedUV4 = float2(0.0, 0.0);
Result.CustomizedUV5 = float2(0.0, 0.0);
Result.CustomizedUV6 = float2(0.0, 0.0);
Result.CustomizedUV7 = float2(0.0, 0.0);
Result.BentNormal = float3(0.0, 0.0, 1.0);
Result.ClearCoatBottomNormal = float3(0.0, 0.0, 1.0);
Result.CustomEyeTangent = float3(0.0, 0.0, 0.0);

#define PIXELSHADEROUTPUT_MRT5 1

Result.ShadingModel = 15;
ToonShadingPerMaterialCustomData.ToonShadowColor = saturate(ShadowColor.rgb);
ToonShadingPerMaterialCustomData.ToonShadowLocation = saturate(CutPosition);
ToonShadingPerMaterialCustomData.ToonShadowSmoothness = saturate(CutSmoothness);

return Result;

MF_ToonHairShadingModel

FMaterialAttributes Result;
Result.BaseColor = float3(1.0, 1.0, 1.0);
Result.Metallic = 0.0;
Result.Specular = 0.0;
Result.Roughness = 0.0;
Result.Anisotropy = 0.0;
Result.EmissiveColor = float3(0.0, 0.0, 0.0);
Result.Opacity = 1.0;
Result.OpacityMask = 1.0;
Result.Normal = float3(0.0, 0.0, 1.0);
Result.Tangent = float3(1.0, 0.0, 0.0);
Result.WorldPositionOffset = float3(0.0, 0.0, 0.0);
Result.SubsurfaceColor = float3(1.0, 1.0, 1.0);
Result.ClearCoat = 1.0;
Result.ClearCoatRoughness = 0.1;
Result.AmbientOcclusion = 1.0;
Result.Refraction = float3(0.0, 0.0, 0.0);
Result.PixelDepthOffset = 0.0;
Result.ShadingModel = 1;
Result.CustomizedUV0 = float2(0.0, 0.0);
Result.CustomizedUV1 = float2(0.0, 0.0);
Result.CustomizedUV2 = float2(0.0, 0.0);
Result.CustomizedUV3 = float2(0.0, 0.0);
Result.CustomizedUV4 = float2(0.0, 0.0);
Result.CustomizedUV5 = float2(0.0, 0.0);
Result.CustomizedUV6 = float2(0.0, 0.0);
Result.CustomizedUV7 = float2(0.0, 0.0);
Result.BentNormal = float3(0.0, 0.0, 1.0);
Result.ClearCoatBottomNormal = float3(0.0, 0.0, 1.0);
Result.CustomEyeTangent = float3(0.0, 0.0, 0.0);

Result.ShadingModel = 14;
Result.Anisotropy = 1.0;
ToonShadingPerMaterialCustomData.CustomData0 = saturate(float4(ShadowColor.rgb, ShadowSmoothness));
ToonShadingPerMaterialCustomData.CustomData1 = saturate(float4(SpecularAbsorbance, SpecularRangeParam.xyz));

return Result;

Effects

  • MF_EdgeLight：边缘光效果。主要被MF_CharacterEffects引用。
  • MF_Dissolve：溶解过度效果。主要被MF_CharacterEffects、MF_SceneEffects引用。
  • MF_Fur：用于制作Fur效果的材质函数，被ToonShading_Standard_nooffset_fur引用。主要还是靠GFur插件，没有参考意义，升级难度+1。

Matcap

存放大量Matcap用的球形环境贴图。

Outline

Textures

存储一些默认贴图与一些测试用（无用）贴图。