93 lines
3.3 KiB
C#
93 lines
3.3 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using UniGLTF;
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using UniGLTF.MeshUtility;
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using UnityEditor;
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using UnityEngine;
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namespace VRM
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{
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/// <summary>
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/// Meshを統合し、統合後のMeshのBlendShapeの変化をVRMのBlendShapeClipに反映する
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/// </summary>
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public static class VRMMeshIntegratorUtility
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{
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public static List<BlendShapeClip> FollowBlendshapeRendererChange(List<MeshIntegrationResult> results, GameObject root, string assetFolder)
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{
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var clips = new List<BlendShapeClip>();
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var proxy = root.GetComponent<VRMBlendShapeProxy>();
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if (proxy == null || proxy.BlendShapeAvatar == null)
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{
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return clips;
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}
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var result = results.FirstOrDefault(x => x.IntegratedRenderer.sharedMesh.blendShapeCount > 0);
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if (result == null)
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{
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return clips;
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}
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var rendererDict = new Dictionary<string, SkinnedMeshRenderer>();
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foreach (var x in result.SourceSkinnedMeshRenderers)
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{
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rendererDict.Add(x.transform.RelativePathFrom(root.transform), x);
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}
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var dstPath = result.IntegratedRenderer.transform.RelativePathFrom(root.transform);
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// copy modify and write
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var clipAssetPathList = new List<string>();
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var sb = new StringBuilder();
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foreach (var src in proxy.BlendShapeAvatar.Clips)
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{
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if (src == null) continue;
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// copy
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var copy = ScriptableObject.CreateInstance<BlendShapeClip>();
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copy.CopyFrom(src);
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copy.Prefab = null;
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// modify
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for (var i = 0; i < copy.Values.Length; ++i)
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{
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var val = copy.Values[i];
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if (rendererDict.ContainsKey(val.RelativePath))
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{
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var srcRenderer = rendererDict[val.RelativePath];
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var name = srcRenderer.sharedMesh.GetBlendShapeName(val.Index);
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var newIndex = result.IntegratedRenderer.sharedMesh.GetBlendShapeIndex(name);
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if (newIndex == -1)
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{
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throw new KeyNotFoundException($"blendshape:{name} not found");
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}
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val.RelativePath = dstPath;
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val.Index = newIndex;
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}
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copy.Values[i] = val;
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}
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// write
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var assetPath = $"{assetFolder}/{copy.name}.asset";
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sb.AppendLine($"write: {assetPath}");
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AssetDatabase.CreateAsset(copy, assetPath);
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clipAssetPathList.Add(assetPath);
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clips.Add(copy);
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}
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Debug.Log(sb.ToString());
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{
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// create blendshape avatar & replace
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var copy = ScriptableObject.CreateInstance<BlendShapeAvatar>();
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copy.Clips.AddRange(clips);
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var assetPath = $"{assetFolder}/blendshape.asset";
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AssetDatabase.CreateAsset(copy, assetPath);
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// assign
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proxy.BlendShapeAvatar = copy;
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}
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return clips;
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}
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}
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} |