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TransparentZwrite のフォールバック時の指定を明示的にする

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This commit is contained in:
Masataka SUMI
2021-10-22 16:06:45 +09:00
parent 4ae9b94e89
commit 61415a927d
1 changed files with 92 additions and 34 deletions
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126
Assets/VRM/Runtime/IO/VRMUnlitTransparentZWriteMaterialImporter.cs
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@@ -9,6 +9,7 @@ namespace VRM
public static class VRMUnlitTransparentZWriteMaterialImporter
{
public const string ShaderName = "VRM/UnlitTransparentZWrite";
public const string MainTexturePropName = "_MainTex";
public static bool TryCreateParam(GltfData data, glTF_VRM_extensions vrm, int materialIdx, out MaterialDescriptor matDesc)
{
@@ -26,7 +27,6 @@ namespace VRM
var vrmMaterial = vrm.materialProperties[materialIdx];
if (vrmMaterial.shader != ShaderName)
{
// fallback to gltf
matDesc = default;
return false;
}
@@ -34,50 +34,108 @@ namespace VRM
// use material.name, because material name may renamed in GltfParser.
var name = data.GLTF.materials[materialIdx].name;
//
// import as MToon
//
matDesc = new MaterialDescriptor(name, MToon.Utils.ShaderName);
matDesc.RenderQueue = MToon.Utils.GetRenderQueueRequirement(RenderMode.TransparentWithZWrite).DefaultValue;
// NOTE: Unlit のフォールバックなので、 Lit/Shade 色は黒とし、Emissive Factor に設定する.
// また、元のシェーダのうちユーザが設定できるプロパティは Texture のみ.
matDesc.Colors[MToon.Utils.PropColor] = Color.black;
matDesc.Colors[MToon.Utils.PropShadeColor] = Color.black;
matDesc.Colors[MToon.Utils.PropEmissionColor] = Color.white;
if (vrmMaterial.textureProperties.ContainsKey(MToon.Utils.PropMainTex))
if (vrmMaterial.textureProperties.ContainsKey(MainTexturePropName))
{
if (VRMMToonTextureImporter.TryGetTextureFromMaterialProperty(data, vrmMaterial, MToon.Utils.PropMainTex, out var texture))
if (VRMMToonTextureImporter.TryGetTextureFromMaterialProperty(data, vrmMaterial, MainTexturePropName, out var texture))
{
matDesc.TextureSlots.Add(MToon.Utils.PropEmissionMap, texture.Item2);
matDesc.TextureSlots.Add(MToon.Utils.PropMainTex, texture.Item2);
}
}
matDesc.Actions.Add(unityMaterial =>
{
// NOTE: ZWrite などの属性は util に設定させる.
var parameter = MToon.Utils.GetMToonParametersFromMaterial(unityMaterial);
parameter.Rendering.CullMode = CullMode.Back;
parameter.Rendering.RenderMode = RenderMode.TransparentWithZWrite;
parameter.Rendering.RenderQueueOffsetNumber = 0;
MToon.Utils.SetMToonParametersToMaterial(unityMaterial, parameter);
});
if (vrmMaterial.shader == MToon.Utils.ShaderName)
{
// TODO: Material拡張にMToonの項目が追加されたら旧バージョンのshaderPropから変換をかける
// インポート時にUniVRMに含まれるMToonのバージョンに上書きする
matDesc.FloatValues[MToon.Utils.PropVersion] = MToon.Utils.VersionNumber;
}
matDesc.Actions.Add(m =>
{
m.SetFloat(MToon.Utils.PropBlendMode, (float)MToon.RenderMode.TransparentWithZWrite);
MToon.Utils.ValidateProperties(m, true);
var mainTexture = (Texture2D) unityMaterial.GetTexture(MToon.Utils.PropMainTex);
// NOTE: Unlit のフォールバックなので
// Lit/Shade 色は黒として、Alpha のために Lit にテクスチャを設定する.
// Emissive 色は白として、テクスチャを設定する.
// また、元のシェーダのうちユーザが設定できるプロパティは Texture のみ.
var def = new MToonDefinition
{
Meta = new MetaDefinition
{
Implementation = MToon.Utils.Implementation,
VersionNumber = MToon.Utils.VersionNumber,
},
Rendering = new RenderingDefinition
{
RenderMode = RenderMode.TransparentWithZWrite,
CullMode = CullMode.Back,
RenderQueueOffsetNumber = 0,
},
Color = new ColorDefinition
{
LitColor = Color.black,
LitMultiplyTexture = mainTexture,
ShadeColor = Color.black,
ShadeMultiplyTexture = default,
CutoutThresholdValue = 0.5f,
},
Lighting = new LightingDefinition
{
LitAndShadeMixing = new LitAndShadeMixingDefinition
{
ShadingShiftValue = 0,
ShadingToonyValue = 1,
ShadowReceiveMultiplierValue = 1,
ShadowReceiveMultiplierMultiplyTexture = default,
LitAndShadeMixingMultiplierValue = 1,
LitAndShadeMixingMultiplierMultiplyTexture = default,
},
LightingInfluence = new LightingInfluenceDefinition
{
LightColorAttenuationValue = 0,
GiIntensityValue = 0.1f,
},
Normal = new NormalDefinition
{
NormalTexture = default,
NormalScaleValue = 1,
},
},
Emission = new EmissionDefinition
{
EmissionColor = Color.white,
EmissionMultiplyTexture = mainTexture,
},
MatCap = new MatCapDefinition
{
AdditiveTexture = default,
},
Rim = new RimDefinition
{
RimColor = Color.black,
RimMultiplyTexture = default,
RimLightingMixValue = 1,
RimLiftValue = 0,
RimFresnelPowerValue = 1,
},
Outline = new OutlineDefinition
{
OutlineWidthMode = OutlineWidthMode.None,
OutlineWidthValue = 0,
OutlineWidthMultiplyTexture = default,
OutlineScaledMaxDistanceValue = 1,
OutlineColorMode = OutlineColorMode.FixedColor,
OutlineColor = Color.black,
OutlineLightingMixValue = 1,
},
TextureOption = new TextureUvCoordsDefinition
{
MainTextureLeftBottomOriginScale = new Vector2(1, 1),
MainTextureLeftBottomOriginOffset = new Vector2(0, 0),
UvAnimationMaskTexture = default,
UvAnimationScrollXSpeedValue = 0,
UvAnimationScrollYSpeedValue = 0,
UvAnimationRotationSpeedValue = 0,
},
};
MToon.Utils.SetMToonParametersToMaterial(unityMaterial, def);
});
Debug.LogWarning($"fallback: {ShaderName} => {MToon.Utils.ShaderName}");
return true;
}
}