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https://github.com/vrm-c/UniVRM.git
synced 2026-09-07 19:38:13 -05:00
implement MigrationMToon
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ousttrue
276
Assets/VRM10/Runtime/Migration/MigrationMToon.cs
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276
Assets/VRM10/Runtime/Migration/MigrationMToon.cs
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using System;
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using UniGLTF;
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using UniGLTF.Extensions.VRMC_materials_mtoon;
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using UniJSON;
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using UnityEngine;
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namespace UniVRM10
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{
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public static class MigrationMToon
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{
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static float[] ToFloat4(this Color color)
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{
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return new float[] { color.r, color.g, color.b, color.a };
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}
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static float[] ToFloat3(this Color color)
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{
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return new float[] { color.r, color.g, color.b };
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}
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static MToon.MToonDefinition VRM0_MToon(JsonNode json)
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{
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// TODO: がんばって json から中身を作る
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var definition = new MToon.MToonDefinition
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{
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Color = new MToon.ColorDefinition
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{
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},
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Lighting = new MToon.LightingDefinition
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{
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LightingInfluence = new MToon.LightingInfluenceDefinition
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{
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},
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LitAndShadeMixing = new MToon.LitAndShadeMixingDefinition
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{
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},
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Normal = new MToon.NormalDefinition
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{
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}
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},
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Emission = new MToon.EmissionDefinition
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{
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},
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MatCap = new MToon.MatCapDefinition
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{
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},
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Meta = new MToon.MetaDefinition
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{
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},
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Outline = new MToon.OutlineDefinition
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{
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},
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Rendering = new MToon.RenderingDefinition
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{
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},
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Rim = new MToon.RimDefinition
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{
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},
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TextureOption = new MToon.TextureUvCoordsDefinition
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{
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}
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};
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return definition;
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}
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static (string, bool) GetRenderMode(MToon.RenderMode mode)
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{
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switch (mode)
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{
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case MToon.RenderMode.Opaque: return ("OPAQUE", false);
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case MToon.RenderMode.Cutout: return ("MASK", false);
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case MToon.RenderMode.Transparent: return ("BLEND", false);
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case MToon.RenderMode.TransparentWithZWrite: return ("BLEND", true);
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}
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throw new NotImplementedException();
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}
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struct TextureIndexMap
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{
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public int? MainTex;
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public int? ShadeTexture;
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public int? BumpMap;
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public int? ReceiveShadowTexture;
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public int? ShadingGradeTexture;
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public int? RimTexture;
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public int? SphereAdd;
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public int? EmissionMap;
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public int? OutlineWidthTexture;
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public int? UvAnimMaskTexture;
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public static TextureIndexMap Create(JsonNode vrmMaterial)
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{
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var map = new TextureIndexMap();
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foreach (var kv in vrmMaterial["textureProperties"].ObjectItems())
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{
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var index = kv.Value.GetInt32();
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switch (kv.Key.GetString())
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{
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case "_MainTex": map.MainTex = index; break;
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case "_ShadeTexture": map.ShadeTexture = index; break;
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case "_BumpMap": map.BumpMap = index; break;
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case "_ReceiveShadowTexture": map.ReceiveShadowTexture = index; break;
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case "_ShadingGradeTexture": map.ShadingGradeTexture = index; break;
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case "_RimTexture": map.RimTexture = index; break;
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case "_SphereAdd": map.SphereAdd = index; break;
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case "_EmissionMap": map.EmissionMap = index; break;
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case "_OutlineWidthTexture": map.OutlineWidthTexture = index; break;
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case "_UvAnimMaskTexture": map.UvAnimMaskTexture = index; break;
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default:
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throw new NotImplementedException($"{kv.Key} is unknown");
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}
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}
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return map;
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}
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}
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public static void Migrate(glTF gltf, JsonNode json)
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{
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for (int i = 0; i < gltf.materials.Count; ++i)
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{
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var vrmMaterial = json["extensions"]["VRM"]["materialProperties"][i];
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if (vrmMaterial["shader"].GetString() != "VRM/MToon")
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{
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continue;
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}
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// VRM-0 MToon の情報
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var definition = VRM0_MToon(json);
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// KHR_materials_unlit として fallback した情報が入っている
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var gltfMaterial = gltf.materials[i];
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if (!glTF_KHR_materials_unlit.IsEnable(gltfMaterial))
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{
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throw new Exception($"[{i}]{gltfMaterial.name} has no extensions");
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}
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var extensions = new glTFExtensionExport();
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gltfMaterial.extensions = extensions;
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extensions.Add(
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glTF_KHR_materials_unlit.ExtensionName,
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new ArraySegment<byte>(glTF_KHR_materials_unlit.Raw));
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//
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// definition の中身を gltfMaterial と gltfMaterial.extensions.VRMC_materials_mtoon に移し替える
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//
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var dst = new VRMC_materials_mtoon();
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var textureIndexMap = TextureIndexMap.Create(vrmMaterial);
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// Color
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gltfMaterial.pbrMetallicRoughness.baseColorFactor = definition.Color.LitColor.ToFloat4();
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if (textureIndexMap.MainTex.HasValue)
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{
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gltfMaterial.pbrMetallicRoughness.baseColorTexture = new glTFMaterialBaseColorTextureInfo
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{
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index = textureIndexMap.MainTex.Value
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};
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}
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dst.ShadeFactor = definition.Color.ShadeColor.ToFloat3();
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if (textureIndexMap.ShadeTexture.HasValue)
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{
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dst.ShadeMultiplyTexture = textureIndexMap.ShadeTexture.Value;
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}
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gltfMaterial.alphaCutoff = definition.Color.CutoutThresholdValue;
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// Outline
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dst.OutlineColorMode = (UniGLTF.Extensions.VRMC_materials_mtoon.OutlineColorMode)definition.Outline.OutlineColorMode;
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dst.OutlineFactor = ToFloat3(definition.Outline.OutlineColor);
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dst.OutlineLightingMixFactor = definition.Outline.OutlineLightingMixValue;
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dst.OutlineScaledMaxDistanceFactor = definition.Outline.OutlineScaledMaxDistanceValue;
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dst.OutlineWidthMode = (UniGLTF.Extensions.VRMC_materials_mtoon.OutlineWidthMode)definition.Outline.OutlineWidthMode;
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dst.OutlineWidthFactor = definition.Outline.OutlineWidthValue;
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// if(textureIndexMap)
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// dst.OutlineWidthMultiplyTexture = definition.Outline.OutlineWidthMultiplyTexture.ToIndex(textures);
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// Emission
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gltfMaterial.emissiveFactor = definition.Emission.EmissionColor.ToFloat3();
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if (textureIndexMap.EmissionMap.HasValue)
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{
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gltfMaterial.emissiveTexture = new glTFMaterialEmissiveTextureInfo
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{
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index = textureIndexMap.EmissionMap.Value
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};
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}
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// Light
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dst.GiIntensityFactor = definition.Lighting.LightingInfluence.GiIntensityValue;
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dst.LightColorAttenuationFactor = definition.Lighting.LightingInfluence.LightColorAttenuationValue;
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dst.ShadingShiftFactor = definition.Lighting.LitAndShadeMixing.ShadingShiftValue;
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dst.ShadingToonyFactor = definition.Lighting.LitAndShadeMixing.ShadingToonyValue;
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if (textureIndexMap.BumpMap.HasValue)
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{
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gltfMaterial.normalTexture = new glTFMaterialNormalTextureInfo
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{
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index = textureIndexMap.BumpMap.Value,
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scale = definition.Lighting.Normal.NormalScaleValue
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};
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}
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// matcap
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if (textureIndexMap.SphereAdd.HasValue)
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{
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dst.AdditiveTexture = textureIndexMap.SphereAdd.Value;
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}
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// rendering
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switch (definition.Rendering.CullMode)
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{
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case MToon.CullMode.Back:
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gltfMaterial.doubleSided = false;
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break;
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case MToon.CullMode.Off:
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gltfMaterial.doubleSided = true;
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break;
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case MToon.CullMode.Front:
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// GLTF not support
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gltfMaterial.doubleSided = false;
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break;
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default:
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throw new NotImplementedException();
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}
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(gltfMaterial.alphaMode, dst.TransparentWithZWrite) = GetRenderMode(definition.Rendering.RenderMode);
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dst.RenderQueueOffsetNumber = definition.Rendering.RenderQueueOffsetNumber;
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// rim
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dst.RimFactor = definition.Rim.RimColor.ToFloat3();
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if (textureIndexMap.RimTexture.HasValue)
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{
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dst.RimMultiplyTexture = textureIndexMap.RimTexture.Value;
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}
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dst.RimLiftFactor = definition.Rim.RimLiftValue;
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dst.RimFresnelPowerFactor = definition.Rim.RimFresnelPowerValue;
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dst.RimLightingMixFactor = definition.Rim.RimLightingMixValue;
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// texture option
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if (textureIndexMap.UvAnimMaskTexture.HasValue)
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{
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dst.UvAnimationMaskTexture = textureIndexMap.UvAnimMaskTexture.Value;
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}
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dst.UvAnimationRotationSpeedFactor = definition.TextureOption.UvAnimationRotationSpeedValue;
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dst.UvAnimationScrollXSpeedFactor = definition.TextureOption.UvAnimationScrollXSpeedValue;
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dst.UvAnimationScrollYSpeedFactor = definition.TextureOption.UvAnimationScrollYSpeedValue;
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if (gltfMaterial.pbrMetallicRoughness.baseColorTexture != null)
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{
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var offset = definition.TextureOption.MainTextureLeftBottomOriginOffset;
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var scale = definition.TextureOption.MainTextureLeftBottomOriginScale;
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glTF_KHR_texture_transform.Serialize(
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gltfMaterial.pbrMetallicRoughness.baseColorTexture,
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(offset.x, offset.y),
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(scale.x, scale.y)
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);
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}
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UniGLTF.Extensions.VRMC_materials_mtoon.GltfSerializer.SerializeTo(ref gltfMaterial.extensions, dst);
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}
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}
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}
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}
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11
Assets/VRM10/Runtime/Migration/MigrationMToon.cs.meta
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11
Assets/VRM10/Runtime/Migration/MigrationMToon.cs.meta
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@@ -0,0 +1,11 @@
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fileFormatVersion: 2
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guid: e48d262d503ddfd4b86aeef6512697eb
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MonoImporter:
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externalObjects: {}
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {instanceID: 0}
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userData:
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assetBundleName:
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assetBundleVariant:
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@@ -35,7 +35,9 @@ namespace UniVRM10
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vrm1.Meta = MigrationVrmMeta.Migrate(vrm0["meta"]);
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vrm1.Humanoid = MigrationVrmHumanoid.Migrate(vrm0["humanoid"]);
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vrm1.Expressions = MigrationVrmExpression.Migrate(gltf, vrm0["blendShapeMaster"]).ToList();
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// lookat
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// firstperson
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var f = new JsonFormatter();
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@@ -51,10 +53,8 @@ namespace UniVRM10
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extensions.Add(UniGLTF.Extensions.VRMC_springBone.VRMC_springBone.ExtensionName, f.GetStoreBytes());
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}
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{
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// MToon
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}
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{
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// constraint
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// MToon
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MigrationMToon.Migrate(gltf, json);
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}
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}
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