mirror of
https://github.com/vrm-c/UniVRM.git
synced 2026-08-22 02:24:57 -05:00
ousttrue
@@ -33,7 +33,7 @@ namespace UniGLTF
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});
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}
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[MenuItem(MENU_EXPORT_GLB_KEY, priority = 10)]
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[MenuItem(MENU_EXPORT_GLB_KEY, priority = 10)]
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private static void ExportGlbFromMenu()
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{
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ExportFromMenu(true, MeshExportSettings.Default);
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@@ -188,15 +188,44 @@ namespace UniGLTF
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};
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}
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GameObject m_tmpParent = null;
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public virtual void Prepare(GameObject go)
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{
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// コピーを作って、Z軸を反転することで左手系を右手系に変換する
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Copy = GameObject.Instantiate(go);
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Copy.transform.ReverseZRecursive();
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// Export の root は gltf の scene になるので、
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// エクスポート対象が単一の GameObject の場合に、
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// ダミー親 "m_tmpParent" を一時的に作成する。
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//
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// https://github.com/vrm-c/UniVRM/pull/736
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if (Copy.transform.childCount == 0)
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{
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m_tmpParent = new GameObject("tmpParent");
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Copy.transform.SetParent(m_tmpParent.transform, true);
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Copy = m_tmpParent;
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}
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}
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public void Dispose()
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{
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if (m_tmpParent != null)
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{
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var child = m_tmpParent.transform.GetChild(0);
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child.SetParent(null);
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Copy = child.gameObject;
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if (Application.isPlaying)
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{
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GameObject.Destroy(m_tmpParent);
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}
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else
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{
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GameObject.DestroyImmediate(m_tmpParent);
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}
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}
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if (Application.isEditor)
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{
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GameObject.DestroyImmediate(Copy);
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@@ -243,59 +272,49 @@ namespace UniGLTF
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var bytesBuffer = new ArrayByteBuffer(new byte[50 * 1024 * 1024]);
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var bufferIndex = glTF.AddBuffer(bytesBuffer);
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GameObject tmpParent = null;
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if (Copy.transform.childCount == 0)
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Nodes = Copy.transform.Traverse()
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.Skip(1) // exclude root object for the symmetry with the importer
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.ToList();
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#region Materials and Textures
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Materials = Nodes.SelectMany(x => x.GetSharedMaterials()).Where(x => x != null).Distinct().ToList();
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var unityTextures = Materials.SelectMany(x => TextureExporter.GetTextures(x)).Where(x => x.texture != null).Distinct().ToList();
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TextureManager = new TextureExportManager(unityTextures.Select(x => x.texture));
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var materialExporter = CreateMaterialExporter();
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glTF.materials = Materials.Select(x => materialExporter.ExportMaterial(x, TextureManager)).ToList();
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for (int i = 0; i < unityTextures.Count; ++i)
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{
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tmpParent = new GameObject("tmpParent");
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Copy.transform.SetParent(tmpParent.transform, true);
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Copy = tmpParent;
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var unityTexture = unityTextures[i];
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TextureExporter.ExportTexture(glTF, bufferIndex, TextureManager.GetExportTexture(i), unityTexture.textureType);
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}
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#endregion
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try
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#region Meshes
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var unityMeshes = MeshWithRenderer.FromNodes(Nodes).ToList();
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MeshBlendShapeIndexMap = new Dictionary<Mesh, Dictionary<int, int>>();
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foreach (var (mesh, gltfMesh, blendShapeIndexMap) in MeshExporter.ExportMeshes(
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glTF, bufferIndex, unityMeshes, Materials, meshExportSettings))
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{
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Nodes = Copy.transform.Traverse()
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.Skip(1) // exclude root object for the symmetry with the importer
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.ToList();
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#region Materials and Textures
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Materials = Nodes.SelectMany(x => x.GetSharedMaterials()).Where(x => x != null).Distinct().ToList();
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var unityTextures = Materials.SelectMany(x => TextureExporter.GetTextures(x)).Where(x => x.texture != null).Distinct().ToList();
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TextureManager = new TextureExportManager(unityTextures.Select(x => x.texture));
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var materialExporter = CreateMaterialExporter();
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glTF.materials = Materials.Select(x => materialExporter.ExportMaterial(x, TextureManager)).ToList();
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for (int i = 0; i < unityTextures.Count; ++i)
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glTF.meshes.Add(gltfMesh);
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if (!MeshBlendShapeIndexMap.ContainsKey(mesh))
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{
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var unityTexture = unityTextures[i];
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TextureExporter.ExportTexture(glTF, bufferIndex, TextureManager.GetExportTexture(i), unityTexture.textureType);
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// 同じmeshが複数回現れた
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MeshBlendShapeIndexMap.Add(mesh, blendShapeIndexMap);
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}
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#endregion
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}
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Meshes = unityMeshes.Select(x => x.Mesh).ToList();
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#endregion
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#region Meshes
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var unityMeshes = MeshWithRenderer.FromNodes(Nodes).ToList();
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MeshBlendShapeIndexMap = new Dictionary<Mesh, Dictionary<int, int>>();
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foreach (var (mesh, gltfMesh, blendShapeIndexMap) in MeshExporter.ExportMeshes(
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glTF, bufferIndex, unityMeshes, Materials, meshExportSettings))
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{
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glTF.meshes.Add(gltfMesh);
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if (!MeshBlendShapeIndexMap.ContainsKey(mesh))
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{
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// 同じmeshが複数回現れた
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MeshBlendShapeIndexMap.Add(mesh, blendShapeIndexMap);
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}
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}
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Meshes = unityMeshes.Select(x => x.Mesh).ToList();
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#endregion
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#region Nodes and Skins
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var unitySkins = unityMeshes
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.Where(x => x.UniqueBones != null)
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.ToList();
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glTF.nodes = Nodes.Select(x => ExportNode(x, Nodes, unityMeshes.Select(y => y.Renderer).ToList(), unitySkins.Select(y => y.Renderer as SkinnedMeshRenderer).ToList())).ToList();
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glTF.scenes = new List<gltfScene>
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#region Nodes and Skins
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var unitySkins = unityMeshes
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.Where(x => x.UniqueBones != null)
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.ToList();
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glTF.nodes = Nodes.Select(x => ExportNode(x, Nodes, unityMeshes.Select(y => y.Renderer).ToList(), unitySkins.Select(y => y.Renderer as SkinnedMeshRenderer).ToList())).ToList();
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glTF.scenes = new List<gltfScene>
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{
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new gltfScene
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{
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@@ -303,109 +322,90 @@ namespace UniGLTF
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}
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};
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foreach (var x in unitySkins)
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foreach (var x in unitySkins)
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{
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var matrices = x.GetBindPoses().Select(y => y.ReverseZ()).ToArray();
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var accessor = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, matrices, glBufferTarget.NONE);
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var renderer = x.Renderer as SkinnedMeshRenderer;
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var skin = new glTFSkin
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{
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var matrices = x.GetBindPoses().Select(y => y.ReverseZ()).ToArray();
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var accessor = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, matrices, glBufferTarget.NONE);
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inverseBindMatrices = accessor,
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joints = x.UniqueBones.Select(y => Nodes.IndexOf(y)).ToArray(),
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skeleton = Nodes.IndexOf(renderer.rootBone),
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};
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var skinIndex = glTF.skins.Count;
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glTF.skins.Add(skin);
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var renderer = x.Renderer as SkinnedMeshRenderer;
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var skin = new glTFSkin
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{
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inverseBindMatrices = accessor,
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joints = x.UniqueBones.Select(y => Nodes.IndexOf(y)).ToArray(),
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skeleton = Nodes.IndexOf(renderer.rootBone),
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};
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var skinIndex = glTF.skins.Count;
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glTF.skins.Add(skin);
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foreach (var z in Nodes.Where(y => y.Has(x.Renderer)))
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{
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var nodeIndex = Nodes.IndexOf(z);
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var node = glTF.nodes[nodeIndex];
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node.skin = skinIndex;
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}
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foreach (var z in Nodes.Where(y => y.Has(x.Renderer)))
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{
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var nodeIndex = Nodes.IndexOf(z);
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var node = glTF.nodes[nodeIndex];
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node.skin = skinIndex;
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}
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#endregion
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}
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#endregion
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#if UNITY_EDITOR
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#region Animations
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#region Animations
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var clips = new List<AnimationClip>();
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var animator = Copy.GetComponent<Animator>();
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var animation = Copy.GetComponent<Animation>();
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if (animator != null)
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{
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clips = AnimationExporter.GetAnimationClips(animator);
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}
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else if (animation != null)
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{
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clips = AnimationExporter.GetAnimationClips(animation);
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}
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if (clips.Any())
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{
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foreach (AnimationClip clip in clips)
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{
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var animationWithCurve = AnimationExporter.Export(clip, Copy.transform, Nodes);
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foreach (var kv in animationWithCurve.SamplerMap)
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{
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var sampler = animationWithCurve.Animation.samplers[kv.Key];
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var inputAccessorIndex = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Input);
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sampler.input = inputAccessorIndex;
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var outputAccessorIndex = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Output);
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sampler.output = outputAccessorIndex;
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// modify accessors
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var outputAccessor = glTF.accessors[outputAccessorIndex];
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var channel = animationWithCurve.Animation.channels.First(x => x.sampler == kv.Key);
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switch (glTFAnimationTarget.GetElementCount(channel.target.path))
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{
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case 1:
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outputAccessor.type = "SCALAR";
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//outputAccessor.count = ;
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break;
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case 3:
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outputAccessor.type = "VEC3";
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outputAccessor.count /= 3;
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break;
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case 4:
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outputAccessor.type = "VEC4";
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outputAccessor.count /= 4;
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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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}
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animationWithCurve.Animation.name = clip.name;
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glTF.animations.Add(animationWithCurve.Animation);
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}
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}
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#endregion
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#endif
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}
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finally
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var clips = new List<AnimationClip>();
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var animator = Copy.GetComponent<Animator>();
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var animation = Copy.GetComponent<Animation>();
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if (animator != null)
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{
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if (tmpParent != null)
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{
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var child = tmpParent.transform.GetChild(0);
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child.SetParent(null);
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Copy = child.gameObject;
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clips = AnimationExporter.GetAnimationClips(animator);
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}
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else if (animation != null)
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{
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clips = AnimationExporter.GetAnimationClips(animation);
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}
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if (Application.isPlaying)
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if (clips.Any())
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{
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foreach (AnimationClip clip in clips)
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{
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var animationWithCurve = AnimationExporter.Export(clip, Copy.transform, Nodes);
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foreach (var kv in animationWithCurve.SamplerMap)
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{
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GameObject.Destroy(tmpParent);
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}
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else
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{
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GameObject.DestroyImmediate(tmpParent);
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var sampler = animationWithCurve.Animation.samplers[kv.Key];
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var inputAccessorIndex = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Input);
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sampler.input = inputAccessorIndex;
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var outputAccessorIndex = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Output);
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sampler.output = outputAccessorIndex;
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// modify accessors
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var outputAccessor = glTF.accessors[outputAccessorIndex];
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var channel = animationWithCurve.Animation.channels.First(x => x.sampler == kv.Key);
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switch (glTFAnimationTarget.GetElementCount(channel.target.path))
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{
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case 1:
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outputAccessor.type = "SCALAR";
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//outputAccessor.count = ;
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break;
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case 3:
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outputAccessor.type = "VEC3";
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outputAccessor.count /= 3;
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break;
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case 4:
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outputAccessor.type = "VEC4";
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outputAccessor.count /= 4;
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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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}
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animationWithCurve.Animation.name = clip.name;
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glTF.animations.Add(animationWithCurve.Animation);
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}
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}
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#endregion
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#endif
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}
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#endregion
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}
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Reference in New Issue
Block a user