private void BuildSkinnedMesh(GameObject nodeObj, GLTF.Schema.Skin skin, int meshIndex, int primitiveIndex)
{
if (skin.InverseBindMatrices.Value.Count == 0)
{
return;
}
SkinnedMeshRenderer skinMesh = nodeObj.AddComponent <SkinnedMeshRenderer>();
skinMesh.sharedMesh = _assetManager.getMesh(meshIndex, primitiveIndex);
skinMesh.sharedMaterial = _assetManager.getMaterial(meshIndex, primitiveIndex);
byte[] bufferData = _assetCache.BufferCache[skin.InverseBindMatrices.Value.BufferView.Value.Buffer.Id];
NumericArray content = new NumericArray();
List <Matrix4x4> bindPoseMatrices = new List <Matrix4x4>();
GLTF.Math.Matrix4x4[] inverseBindMatrices = skin.InverseBindMatrices.Value.AsMatrixArray(ref content, bufferData);
foreach (GLTF.Math.Matrix4x4 mat in inverseBindMatrices)
{
bindPoseMatrices.Add(mat.ToUnityMatrix().switchHandedness());
}
skinMesh.sharedMesh.bindposes = bindPoseMatrices.ToArray();
if (skin.Skeleton != null && _importedObjects.ContainsKey(skin.Skeleton.Id))
{
skinMesh.rootBone = skin.Skeleton != null ? _importedObjects[skin.Skeleton.Id].transform : null;
}
}
private void LoadSkin(GLTF.Schema.Skin skin, int index)
{
Transform[] boneList = new Transform[skin.Joints.Count];
for (int i = 0; i < skin.Joints.Count; ++i)
{
boneList[i] = _importedObjects[skin.Joints[i].Id].transform;
}
foreach (SkinnedMeshRenderer skinMesh in _skinIndexToGameObjects[index])
{
skinMesh.bones = boneList;
}
}
public static GLTFRoot Deserialize(TextReader textReader)
{
var jsonReader = new JsonTextReader(textReader);
var root = new GLTFRoot();
if (jsonReader.Read() && jsonReader.TokenType != JsonToken.StartObject)
{
throw new Exception("gltf json must be an object");
}
while (jsonReader.Read() && jsonReader.TokenType == JsonToken.PropertyName)
{
var curProp = jsonReader.Value.ToString();
switch (curProp)
{
case "extensionsUsed":
root.ExtensionsUsed = jsonReader.ReadStringList();
break;
case "extensionsRequired":
root.ExtensionsRequired = jsonReader.ReadStringList();
break;
case "accessors":
root.Accessors = jsonReader.ReadList(() => Accessor.Deserialize(root, jsonReader));
break;
case "animations":
root.Animations = jsonReader.ReadList(() => Animation.Deserialize(root, jsonReader));
break;
case "asset":
root.Asset = Asset.Deserialize(root, jsonReader);
break;
case "buffers":
root.Buffers = jsonReader.ReadList(() => Buffer.Deserialize(root, jsonReader));
break;
case "bufferViews":
root.BufferViews = jsonReader.ReadList(() => BufferView.Deserialize(root, jsonReader));
break;
case "cameras":
root.Cameras = jsonReader.ReadList(() => Camera.Deserialize(root, jsonReader));
break;
case "images":
root.Images = jsonReader.ReadList(() => Image.Deserialize(root, jsonReader));
break;
case "materials":
root.Materials = jsonReader.ReadList(() => Material.Deserialize(root, jsonReader));
break;
case "meshes":
root.Meshes = jsonReader.ReadList(() => Mesh.Deserialize(root, jsonReader));
break;
case "nodes":
root.Nodes = jsonReader.ReadList(() => Node.Deserialize(root, jsonReader));
break;
case "samplers":
root.Samplers = jsonReader.ReadList(() => Sampler.Deserialize(root, jsonReader));
break;
case "scene":
root.Scene = SceneId.Deserialize(root, jsonReader);
break;
case "scenes":
root.Scenes = jsonReader.ReadList(() => GLTF.Schema.Scene.Deserialize(root, jsonReader));
break;
case "skins":
root.Skins = jsonReader.ReadList(() => Skin.Deserialize(root, jsonReader));
break;
case "textures":
root.Textures = jsonReader.ReadList(() => Texture.Deserialize(root, jsonReader));
break;
default:
root.DefaultPropertyDeserializer(root, jsonReader);
break;
}
}
return(root);
}
