private List <AnimationClip> ImportAnimationClips(glTF gltf, Axises invertAxis)
{
var animationClips = new List <AnimationClip>();
for (var i = 0; i < gltf.animations.Count; ++i)
{
var clip = new AnimationClip();
clip.ClearCurves();
clip.legacy = true;
clip.name = gltf.animations[i].name;
if (string.IsNullOrEmpty(clip.name))
{
clip.name = $"legacy_{i}";
}
clip.wrapMode = WrapMode.Loop;
var animation = gltf.animations[i];
if (string.IsNullOrEmpty(animation.name))
{
animation.name = $"animation:{i}";
}
animationClips.Add(AnimationImporterUtil.ConvertAnimationClip(gltf, animation, invertAxis.Create()));
}
return(animationClips);
}
public override void OnEnable()
{
base.OnEnable();
m_importer = target as ZipArchivedGltfScriptedImporter;
m_data = new AutoGltfFileParser(m_importer.assetPath).Parse();
var materialGenerator = new GltfMaterialDescriptorGenerator();
var materialKeys = m_data.GLTF.materials.Select((_, i) => materialGenerator.Get(m_data, i).SubAssetKey);
var textureKeys = new GltfTextureDescriptorGenerator(m_data).Get().GetEnumerable().Select(x => x.SubAssetKey);
m_materialEditor = new RemapEditorMaterial(materialKeys.Concat(textureKeys), GetEditorMap, SetEditorMap);
m_animationEditor = new RemapEditorAnimation(AnimationImporterUtil.EnumerateSubAssetKeys(m_data.GLTF), GetEditorMap, SetEditorMap);
}
public virtual async Task LoadAnimationAsync(IAwaitCaller awaitCaller)
{
if (GLTF.animations != null && GLTF.animations.Any())
{
foreach (var(key, gltfAnimation) in Enumerable.Zip(AnimationImporterUtil.EnumerateSubAssetKeys(GLTF), GLTF.animations, (x, y) => (x, y)))
{
await AnimationClipFactory.LoadAnimationClipAsync(key, async() =>
{
return(AnimationImporterUtil.ConvertAnimationClip(GLTF, gltfAnimation, InvertAxis.Create()));
});
}
await awaitCaller.NextFrame();
}
}
private List <AnimationClip> ImportAnimationClips(glTF gltf, Axises invertAxis)
{
var animationClips = new List <AnimationClip>();
for (var i = 0; i < gltf.animations.Count; ++i)
{
var clip = new AnimationClip();
clip.ClearCurves();
clip.legacy = true;
clip.name = gltf.animations[i].name;
if (string.IsNullOrEmpty(clip.name))
{
clip.name = $"legacy_{i}";
}
clip.wrapMode = WrapMode.Loop;
var animation = gltf.animations[i];
if (string.IsNullOrEmpty(animation.name))
{
animation.name = $"animation:{i}";
}
AxisInverter inverter = default;
switch (invertAxis)
{
case Axises.X:
inverter = AxisInverter.ReverseX;
break;
case Axises.Z:
inverter = AxisInverter.ReverseZ;
break;
default:
throw new System.Exception();
}
animationClips.Add(AnimationImporterUtil.ConvertAnimationClip(gltf, animation, inverter));
}
return(animationClips);
}
public static AnimationClip ConvertAnimationClip(GltfData data, glTFAnimation animation, IAxisInverter inverter, glTFNode root = null)
{
var clip = new AnimationClip();
clip.ClearCurves();
clip.legacy = true;
clip.name = animation.name;
clip.wrapMode = WrapMode.Loop;
foreach (var channel in animation.channels)
{
var relativePath = RelativePathFrom(data.GLTF.nodes, root, data.GLTF.nodes[channel.target.node]);
switch (channel.target.path)
{
case glTFAnimationTarget.PATH_TRANSLATION:
{
var sampler = animation.samplers[channel.sampler];
var input = data.GetArrayFromAccessor <float>(sampler.input);
var output = data.FlatternFloatArrayFromAccessor(sampler.output);
AnimationImporterUtil.SetAnimationCurve(
clip,
relativePath,
new string[] { "localPosition.x", "localPosition.y", "localPosition.z" },
input,
output,
sampler.interpolation,
typeof(Transform),
(values, last) =>
{
Vector3 temp = new Vector3(values[0], values[1], values[2]);
return(inverter.InvertVector3(temp).ToArray());
}
);
}
break;
case glTFAnimationTarget.PATH_ROTATION:
{
var sampler = animation.samplers[channel.sampler];
var input = data.GetArrayFromAccessor <float>(sampler.input);
var output = data.FlatternFloatArrayFromAccessor(sampler.output);
AnimationImporterUtil.SetAnimationCurve(
clip,
relativePath,
new string[] { "localRotation.x", "localRotation.y", "localRotation.z", "localRotation.w" },
input,
output,
sampler.interpolation,
typeof(Transform),
(values, last) =>
{
Quaternion currentQuaternion = new Quaternion(values[0], values[1], values[2], values[3]);
Quaternion lastQuaternion = new Quaternion(last[0], last[1], last[2], last[3]);
return(AnimationImporterUtil.GetShortest(lastQuaternion, inverter.InvertQuaternion(currentQuaternion)).ToArray());
}
);
clip.EnsureQuaternionContinuity();
}
break;
case glTFAnimationTarget.PATH_SCALE:
{
var sampler = animation.samplers[channel.sampler];
var input = data.GetArrayFromAccessor <float>(sampler.input);
var output = data.FlatternFloatArrayFromAccessor(sampler.output);
AnimationImporterUtil.SetAnimationCurve(
clip,
relativePath,
new string[] { "localScale.x", "localScale.y", "localScale.z" },
input,
output,
sampler.interpolation,
typeof(Transform),
(values, last) => values);
}
break;
case glTFAnimationTarget.PATH_WEIGHT:
{
var node = data.GLTF.nodes[channel.target.node];
var mesh = data.GLTF.meshes[node.mesh];
var primitive = mesh.primitives.FirstOrDefault();
var targets = primitive.targets;
if (!gltf_mesh_extras_targetNames.TryGet(mesh, out List <string> targetNames))
{
throw new UniGLTFNotSupportedException("glTF BlendShape Animation. targetNames invalid.");
}
var keyNames = targetNames
.Where(x => !string.IsNullOrEmpty(x))
.Select(x => "blendShape." + x)
.ToArray();
var sampler = animation.samplers[channel.sampler];
var input = data.GetArrayFromAccessor <float>(sampler.input);
var output = data.GetArrayFromAccessor <float>(sampler.output);
AnimationImporterUtil.SetAnimationCurve(
clip,
relativePath,
keyNames,
input,
output,
sampler.interpolation,
typeof(SkinnedMeshRenderer),
(values, last) =>
{
for (int j = 0; j < values.Length; j++)
{
values[j] *= 100.0f;
}
return(values);
});
}
break;
default:
Debug.LogWarningFormat("unknown path: {0}", channel.target.path);
break;
}
}
return(clip);
}