VRoid正式版の表情ブレンドシェイプをVRoidモバイル用に置換するコード in C#

VRoidLegacyFaceShapeKeyReplacer.cs

using System;
using System.Collections.Generic;
using System.Json;
using System.Linq;

namespace VRMTextureUtil
{
	public class VRoidLegacyFaceShapeKeyReplacer
	{
		static Dictionary<string, string> tables = new Dictionary<string, string>() {
			["Fcl_ALL_Neutral"] = "Face.M_F00_000_00_Fcl_ALL_Neutral",
			["Fcl_ALL_Angry"] = "Face.M_F00_000_00_Fcl_ALL_Angry",
			["Fcl_ALL_Fun"] = "Face.M_F00_000_00_Fcl_ALL_Fun",
			["Fcl_ALL_Joy"] = "Face.M_F00_000_00_Fcl_ALL_Joy",
			["Fcl_ALL_Sorrow"] = "Face.M_F00_000_00_Fcl_ALL_Sorrow",
			["Fcl_ALL_Surprised"] = "Face.M_F00_000_00_Fcl_ALL_Surprised",
			["Fcl_BRW_Angry"] = "Face.M_F00_000_00_Fcl_BRW_Angry",
			["Fcl_BRW_Fun"] = "Face.M_F00_000_00_Fcl_BRW_Fun",
			["Fcl_BRW_Joy"] = "Face.M_F00_000_00_Fcl_BRW_Joy",
			["Fcl_BRW_Sorrow"] = "Face.M_F00_000_00_Fcl_BRW_Sorrow",
			["Fcl_BRW_Surprised"] = "Face.M_F00_000_00_Fcl_BRW_Surprised",
			["Fcl_EYE_Natural"] = "Face.M_F00_000_00_Fcl_EYE_Natural",
			["Fcl_EYE_Angry"] = "Face.M_F00_000_00_Fcl_EYE_Angry",
			["Fcl_EYE_Close"] = "Face.M_F00_000_00_Fcl_EYE_Close",
			["Fcl_EYE_Close_R"] = "Face.M_F00_000_00_Fcl_EYE_Close_R",
			["Fcl_EYE_Close_L"] = "Face.M_F00_000_00_Fcl_EYE_Close_L",
			["Fcl_EYE_Fun"] = "Face.M_F00_000_00_Fcl_Eye_Fun",
			["Fcl_EYE_Joy"] = "Face.M_F00_000_00_Fcl_EYE_Joy",
			["Fcl_EYE_Joy_R"] = "Face.M_F00_000_00_Fcl_EYE_Joy_R",
			["Fcl_EYE_Joy_L"] = "Face.M_F00_000_00_Fcl_EYE_Joy_L",
			["Fcl_EYE_Sorrow"] = "Face.M_F00_000_00_Fcl_EYE_Sorrow",
			["Fcl_EYE_Surprised"] = "Face.M_F00_000_00_Fcl_EYE_Surprised",
			["Fcl_EYE_Spread"] = "Face.M_F00_000_00_Fcl_EYE_Spread",
			["Fcl_EYE_Iris_Hide"] = "Face.M_F00_000_00_Fcl_EYE_Iris_Hide",
			["Fcl_EYE_Highlight_Hide"] = "Face.M_F00_000_00_Fcl_EYE_Highlight_Hide",
			["Fcl_MTH_Up"] = "Face.M_F00_000_00_Fcl_MTH_Up",
			["Fcl_MTH_Down"] = "Face.M_F00_000_00_Fcl_MTH_Down",
			["Fcl_MTH_Angry"] = "Face.M_F00_000_00_Fcl_MTH_Angry",
			["Fcl_MTH_Neutral"] = "Face.M_F00_000_00_Fcl_MTH_Neutral",
			["Fcl_MTH_Fun"] = "Face.M_F00_000_00_Fcl_MTH_Fun",
			["Fcl_MTH_Joy"] = "Face.M_F00_000_00_Fcl_MTH_Joy",
			["Fcl_MTH_Sorrow"] = "Face.M_F00_000_00_Fcl_MTH_Sorrow",
			["Fcl_MTH_Surprised"] = "Face.M_F00_000_00_Fcl_MTH_Surprised",
			["Fcl_MTH_SkinFung"] = "Face.M_F00_000_00_Fcl_MTH_SkinFung",
			["Fcl_MTH_SkinFung_R"] = "Face.M_F00_000_00_Fcl_MTH_SkinFung_R",
			["Fcl_MTH_SkinFung_L"] = "Face.M_F00_000_00_Fcl_MTH_SkinFung_L",
			["Fcl_MTH_A"] = "Face.M_F00_000_00_Fcl_MTH_A",
			["Fcl_MTH_I"] = "Face.M_F00_000_00_Fcl_MTH_I",
			["Fcl_MTH_U"] = "Face.M_F00_000_00_Fcl_MTH_U",
			["Fcl_MTH_E"] = "Face.M_F00_000_00_Fcl_MTH_E",
			["Fcl_MTH_O"] = "Face.M_F00_000_00_Fcl_MTH_O",
			["Fcl_HA_Hide"] = "Face.M_F00_000_00_Fcl_HA_Hide",
			["Fcl_HA_Fung1"] = "Face.M_F00_000_00_Fcl_HA_Fung1",
			["Fcl_HA_Fung1_Low"] = "Face.M_F00_000_00_Fcl_HA_Fung1_Low",
			["Fcl_HA_Fung1_Up"] = "Face.M_F00_000_00_Fcl_HA_Fung1_Up",
			["Fcl_HA_Fung2"] = "Face.M_F00_000_00_Fcl_HA_Fung2",
			["Fcl_HA_Fung2_Low"] = "Face.M_F00_000_00_Fcl_HA_Fung2_Low",
			["Fcl_HA_Fung2_Up"] = "Face.M_F00_000_00_Fcl_HA_Fung2_Up",
			["Fcl_HA_Fung3"] = "Face.M_F00_000_00_Fcl_HA_Fung3",
			["Fcl_HA_Fung3_Up"] = "Face.M_F00_000_00_Fcl_HA_Fung3_Up",
			["Fcl_HA_Fung3_Low"] = "Face.M_F00_000_00_Fcl_HA_Fung3_Low",
			["Fcl_HA_Short"] = "Face.M_F00_000_00_Fcl_HA_Short",
			["Fcl_HA_Short_Up"] = "Face.M_F00_000_00_Fcl_HA_Short_Up",
			["Fcl_HA_Short_Low"] = "Face.M_F00_000_00_Fcl_HA_Short_Low",
		};



		public static void Replace(ref JsonValue gltf)
		{
			var result = gltf["meshes"][0]["primitives"].OfType<JsonValue>().Select(node => {
				if (node["extras"] == null || node["extras"]["targetNames"] == null) {
					return node;
				}
				var names = node["extras"]["targetNames"].OfType<JsonValue>().Select(str => {
					string outVal;
					return new JsonPrimitive(tables.TryGetValue(str, out outVal) ? outVal : str);
				}).ToArray();
				node["extras"]["targetNames"] = new JsonArray(names);
				return node;
			});
			gltf["meshes"][0]["primitives"] = new JsonArray(result);
		}
	}
}