static (UniGLTF.glTFMaterial, bool) ToProtobufMaterial(VrmLib.Material vrmlibMaterial, List <VrmLib.Texture> textures)
{
if (vrmlibMaterial is VrmLib.MToonMaterial mtoon)
{
// MToon
var protobufMaterial = UniVRM10.MToonAdapter.MToonToGltf(mtoon, textures);
return(protobufMaterial, true);
}
else if (vrmlibMaterial is VrmLib.UnlitMaterial unlit)
{
// Unlit
var protobufMaterial = UniVRM10.MaterialAdapter.UnlitToGltf(unlit, textures);
return(protobufMaterial, true);
}
else if (vrmlibMaterial is VrmLib.PBRMaterial pbr)
{
// PBR
var protobufMaterial = UniVRM10.MaterialAdapter.PBRToGltf(pbr, textures);
return(protobufMaterial, false);
}
else
{
throw new NotImplementedException();
}
}
public static UnityEngine.Material CreateMaterialAsset(VrmLib.Material src, bool hasVertexColor, Dictionary <VrmLib.Texture, Texture2D> textures)
{
if (src is VrmLib.MToonMaterial mtoonSrc)
{
// MTOON
var material = new Material(Shader.Find(MToon.Utils.ShaderName));
MToon.Utils.SetMToonParametersToMaterial(material, mtoonSrc.Definition.ToUnity(textures));
return(material);
}
if (src is VrmLib.UnlitMaterial unlitSrc)
{
return(CreateUnlitMaterial(unlitSrc, hasVertexColor, textures));
}
if (src is VrmLib.PBRMaterial pbrSrc)
{
return(CreateStandardMaterial(pbrSrc, textures));
}
throw new NotImplementedException($"unknown material: {src}");
}
VrmLib.Material Export10(Material m, Func <Texture, VrmLib.Texture.ColorSpaceTypes, VrmLib.Texture.TextureTypes, VrmLib.TextureInfo> map)
{
switch (m.shader.name)
{
case "VRM/MToon":
{
var def = MToon.Utils.GetMToonParametersFromMaterial(m);
return(new VrmLib.MToonMaterial(m.name)
{
Definition = def.ToVrmLib(map),
});
}
case "Unlit/Color":
return(new VrmLib.UnlitMaterial(m.name)
{
BaseColorFactor = m.color.FromUnitySrgbToLinear(),
});
case "Unlit/Texture":
return(new VrmLib.Material(m.name)
{
BaseColorTexture = map(m.mainTexture as Texture2D, VrmLib.Texture.ColorSpaceTypes.Srgb, VrmLib.Texture.TextureTypes.Default),
});
case "Unlit/Transparent":
return(new VrmLib.Material(m.name)
{
BaseColorTexture = map(m.mainTexture as Texture2D, VrmLib.Texture.ColorSpaceTypes.Srgb, VrmLib.Texture.TextureTypes.Default),
AlphaMode = VrmLib.AlphaModeType.BLEND,
});
case "Unlit/Transparent Cutout":
return(new VrmLib.Material(m.name)
{
BaseColorTexture = map(m.mainTexture as Texture2D, VrmLib.Texture.ColorSpaceTypes.Srgb, VrmLib.Texture.TextureTypes.Default),
AlphaMode = VrmLib.AlphaModeType.MASK,
AlphaCutoff = m.GetFloat("_Cutoff"),
});
case "UniGLTF/UniUnlit":
{
var material = new VrmLib.Material(m.name)
{
BaseColorFactor = m.color.FromUnitySrgbToLinear(),
BaseColorTexture = map(m.mainTexture as Texture2D, VrmLib.Texture.ColorSpaceTypes.Srgb, VrmLib.Texture.TextureTypes.Default),
AlphaMode = GetAlphaMode(m),
DoubleSided = UniUnlit.Utils.GetCullMode(m) == UniUnlit.UniUnlitCullMode.Off,
};
if (material.AlphaMode == VrmLib.AlphaModeType.MASK)
{
material.AlphaCutoff = m.GetFloat("_Cutoff");
}
// TODO: VertexColorMode
return(material);
}
default:
return(ExportStandard(m, map));
}
}