private static Dictionary <int, int> GetRenderQueueMapper(IReadOnlyList <JsonNode> vrm0XMaterials)
{
try
{
var renderQueueSet = new SortedSet <int>();
foreach (var vrm0XMaterial in vrm0XMaterials)
{
var renderQueue = MigrationMaterialUtil.GetRenderQueue(vrm0XMaterial);
if (renderQueue.HasValue && renderQueue.Value != -1)
{
renderQueueSet.Add(renderQueue.Value);
}
else
{
renderQueueSet.Add(Unity0XDefaultRenderQueue);
}
}
var mapper = new Dictionary <int, int>();
var currentQueueOffset = 0;
foreach (var queue in renderQueueSet)
{
mapper.Add(queue, currentQueueOffset);
currentQueueOffset = Mathf.Min(currentQueueOffset + 1, MaxRenderQueueOffset);
}
return(mapper);
}
catch (Exception ex)
{
Debug.LogException(ex);
return(new Dictionary <int, int>());
}
}
private static glTFMaterial Migrate(JsonNode vrm0XMaterial, string materialName, Dictionary <int, int> renderQueueMapper)
{
try
{
if (MigrationMaterialUtil.GetShaderName(vrm0XMaterial) != Unity0XShaderName)
{
return(null);
}
var baseColorFactor = MigrationMaterialUtil.GetBaseColorFactor(vrm0XMaterial);
var baseColorTexture = MigrationMaterialUtil.GetBaseColorTexture(vrm0XMaterial);
var emissiveTexture = new glTFMaterialEmissiveTextureInfo
{
index = baseColorTexture.index,
extensions = baseColorTexture.extensions,
};
var renderQueue = MigrationMaterialUtil.GetRenderQueue(vrm0XMaterial) ?? Unity0XDefaultRenderQueue;
var renderQueueOffset = renderQueueMapper.ContainsKey(renderQueue) ? renderQueueMapper[renderQueue] : 0;
var mtoonMaterial = new glTFMaterial
{
name = materialName,
extensions = new glTFExtensionExport().Add(
glTF_KHR_materials_unlit.ExtensionName,
new ArraySegment <byte>(glTF_KHR_materials_unlit.Raw)
),
pbrMetallicRoughness = new glTFPbrMetallicRoughness
{
baseColorFactor = new[] { 0f, 0f, 0f, baseColorFactor[3] }, // black + _Color.a
baseColorTexture = baseColorTexture, // _MainTex
metallicFactor = 0f,
roughnessFactor = 1f,
},
alphaMode = "BLEND",
alphaCutoff = 0.5f,
doubleSided = false,
emissiveFactor = new[] { baseColorFactor[0], baseColorFactor[1], baseColorFactor[2] }, // _Color.rgb
emissiveTexture = emissiveTexture,
};
var mtoon10 = new VRMC_materials_mtoon
{
SpecVersion = Vrm10Exporter.MTOON_SPEC_VERSION,
TransparentWithZWrite = true, // transparent with zWrite
RenderQueueOffsetNumber = renderQueueOffset,
ShadeColorFactor = new[] { 0f, 0f, 0f }, // black
OutlineWidthMode = OutlineWidthMode.none // disable outline
};
UniGLTF.Extensions.VRMC_materials_mtoon.GltfSerializer.SerializeTo(ref mtoonMaterial.extensions,
mtoon10);
return(mtoonMaterial);
}
catch (Exception)
{
Debug.LogWarning($"Migration failed in VRM/UnlitTransparentZWrite material: {materialName}");
return(null);
}
}