public static async Task <Texture2D> LoadTextureAsync(IAwaitCaller awaitCaller, glTF gltf, IStorage storage, int textureIndex)
{
var imageBytes = await awaitCaller.Run(() =>
{
var imageIndex = gltf.textures[textureIndex].source;
var segments = gltf.GetImageBytes(storage, imageIndex);
return(ToArray(segments));
});
//
// texture from image(png etc) bytes
//
var colorSpace = gltf.GetColorSpace(textureIndex);
var texture = new Texture2D(2, 2, TextureFormat.ARGB32, false, colorSpace == RenderTextureReadWrite.Linear);
texture.name = gltf.textures[textureIndex].name;
if (imageBytes != null)
{
texture.LoadImage(imageBytes);
}
var sampler = gltf.GetSamplerFromTextureIndex(textureIndex);
if (sampler != null)
{
TextureSamplerUtil.SetSampler(texture, sampler);
}
return(texture);
}
private static async Task <Vrm10Instance> TryLoadingAsVrm10Async(
GltfData gltfData,
bool normalizeTransform,
bool showMeshes,
IAwaitCaller awaitCaller,
IMaterialDescriptorGenerator materialGenerator,
VrmMetaInformationCallback vrmMetaInformationCallback,
CancellationToken ct)
{
ct.ThrowIfCancellationRequested();
if (awaitCaller == null)
{
throw new ArgumentNullException();
}
var vrm10Data = await awaitCaller.Run(() => Vrm10Data.Parse(gltfData));
ct.ThrowIfCancellationRequested();
if (vrm10Data == null)
{
// NOTE: Failed to parse as VRM 1.0.
return(null);
}
return(await LoadVrm10DataAsync(
vrm10Data,
null,
normalizeTransform,
showMeshes,
awaitCaller,
materialGenerator,
vrmMetaInformationCallback,
ct));
}
public static async Task <Mesh> CreateErasedMeshAsync(Mesh src, int[] eraseBoneIndices, IAwaitCaller awaitCaller)
{
if (awaitCaller == null)
{
throw new ArgumentNullException();
}
var mesh = new Mesh();
mesh.name = src.name + "(erased)";
#if UNITY_2017_3_OR_NEWER
mesh.indexFormat = src.indexFormat;
#endif
mesh.vertices = src.vertices;
mesh.normals = src.normals;
mesh.uv = src.uv;
mesh.tangents = src.tangents;
mesh.boneWeights = src.boneWeights;
mesh.bindposes = src.bindposes;
mesh.subMeshCount = src.subMeshCount;
var boneWeights = mesh.boneWeights;
for (int i = 0; i < src.subMeshCount; ++i)
{
var srcIndices = src.GetIndices(i);
var dst = await awaitCaller.Run(() => GetExcludedIndices(srcIndices, boneWeights, eraseBoneIndices));
mesh.SetIndices(dst, MeshTopology.Triangles, i);
}
return(mesh);
}
private static async Task BuildBlendShapeAsync(IAwaitCaller awaitCaller, Mesh mesh, BlendShape blendShape,
Vector3[] emptyVertices)
{
Vector3[] positions = null;
Vector3[] normals = null;
await awaitCaller.Run(() =>
{
positions = blendShape.Positions.ToArray();
if (blendShape.Normals != null)
{
normals = blendShape.Normals.ToArray();
}
});
Profiler.BeginSample("MeshUploader.BuildBlendShapeAsync");
if (blendShape.Positions.Count > 0)
{
if (blendShape.Positions.Count == mesh.vertexCount)
{
mesh.AddBlendShapeFrame(blendShape.Name, FrameWeight,
blendShape.Positions.ToArray(),
normals.Length == mesh.vertexCount && normals.Length == positions.Length ? normals : null,
null
);
}
else
{
Debug.LogWarningFormat(
"May be partial primitive has blendShape. Require separate mesh or extend blend shape, but not implemented: {0}",
blendShape.Name);
}
}
else
{
// Debug.LogFormat("empty blendshape: {0}.{1}", mesh.name, blendShape.Name);
// add empty blend shape for keep blend shape index
mesh.AddBlendShapeFrame(blendShape.Name, FrameWeight,
emptyVertices,
null,
null
);
}
Profiler.EndSample();
}
private static async Task <Vrm10Instance> TryMigratingFromVrm0XAsync(
GltfData gltfData,
bool normalizeTransform,
bool showMeshes,
IAwaitCaller awaitCaller,
IMaterialDescriptorGenerator materialGenerator,
VrmMetaInformationCallback vrmMetaInformationCallback,
CancellationToken ct)
{
ct.ThrowIfCancellationRequested();
if (awaitCaller == null)
{
throw new ArgumentNullException();
}
Vrm10Data migratedVrm10Data = default;
MigrationData migrationData = default;
using (var migratedGltfData = await awaitCaller.Run(() => Vrm10Data.Migrate(gltfData, out migratedVrm10Data, out migrationData)))
{
ct.ThrowIfCancellationRequested();
if (migratedVrm10Data == null)
{
throw new Exception(migrationData?.Message ?? "Failed to migrate.");
}
var migratedVrm10Instance = await LoadVrm10DataAsync(
migratedVrm10Data,
migrationData,
normalizeTransform,
showMeshes,
awaitCaller,
materialGenerator,
vrmMetaInformationCallback,
ct);
if (migratedVrm10Instance == null)
{
throw new Exception(migrationData?.Message ?? "Failed to load migrated.");
}
return(migratedVrm10Instance);
}
}
protected virtual async Task LoadGeometryAsync(IAwaitCaller awaitCaller, Func <string, IDisposable> MeasureTime)
{
var inverter = InvertAxis.Create();
if (GLTF.meshes.Count > 0)
{
var maxVertexCapacity = 0;
var maxIndexCapacity = 0;
foreach (var gltfMesh in GLTF.meshes)
{
var(vertexCapacity, indexCapacity) = MeshData.GetCapacity(Data, gltfMesh);
maxVertexCapacity = Math.Max(maxVertexCapacity, vertexCapacity);
maxIndexCapacity = Math.Max(maxIndexCapacity, indexCapacity);
}
// 一番長い VertexBuffer, IndexBuffer の長さでNativeArray を確保し、
// 最後に Dispose する
using (var meshData = new MeshData(maxVertexCapacity, maxIndexCapacity))
{
for (var i = 0; i < GLTF.meshes.Count; ++i)
{
var index = i;
var gltfMesh = Data.GLTF.meshes[index];
using (MeasureTime("ReadMesh"))
await awaitCaller.Run(() => meshData.LoadFromGltf(Data, index, inverter));
var meshWithMaterials = await BuildMeshAsync(awaitCaller, MeasureTime, meshData, index);
Meshes.Add(meshWithMaterials);
}
}
await awaitCaller.NextFrame();
}
if (GLTF.nodes.Count > 0)
{
using (MeasureTime("LoadNodes"))
{
Profiler.BeginSample("ImporterContext.LoadNodes");
for (var i = 0; i < GLTF.nodes.Count; i++)
{
Nodes.Add(NodeImporter.ImportNode(GLTF.nodes[i], i).transform);
}
Profiler.EndSample();
}
await awaitCaller.NextFrame();
}
using (MeasureTime("BuildHierarchy"))
{
var nodes = new List <NodeImporter.TransformWithSkin>();
if (Nodes.Count > 0)
{
Profiler.BeginSample("NodeImporter.BuildHierarchy");
for (var i = 0; i < Nodes.Count; ++i)
{
nodes.Add(NodeImporter.BuildHierarchy(GLTF, i, Nodes, Meshes));
}
Profiler.EndSample();
await awaitCaller.NextFrame();
}
NodeImporter.FixCoordinate(GLTF, nodes, inverter);
// skinning
if (nodes.Count > 0)
{
Profiler.BeginSample("NodeImporter.SetupSkinning");
for (var i = 0; i < nodes.Count; ++i)
{
NodeImporter.SetupSkinning(Data, nodes, i, inverter);
}
Profiler.EndSample();
await awaitCaller.NextFrame();
}
if (Root == null)
{
Root = new GameObject("GLTF");
}
if (GLTF.rootnodes != null)
{
// connect root
foreach (var x in GLTF.rootnodes)
{
var t = nodes[x].Transform;
t.SetParent(Root.transform, false);
}
}
}
await awaitCaller.NextFrame();
}
protected virtual async Task LoadGeometryAsync(IAwaitCaller awaitCaller, Func <string, IDisposable> MeasureTime)
{
var inverter = InvertAxis.Create();
var meshImporter = new MeshImporter();
if (GLTF.meshes.Count > 0)
{
for (var i = 0; i < GLTF.meshes.Count; ++i)
{
var index = i;
using (MeasureTime("ReadMesh"))
{
var x = await awaitCaller.Run(() => meshImporter.ReadMesh(Data, index, inverter));
var y = await BuildMeshAsync(awaitCaller, MeasureTime, x, index);
Meshes.Add(y);
}
}
await awaitCaller.NextFrame();
}
if (GLTF.nodes.Count > 0)
{
using (MeasureTime("LoadNodes"))
{
Profiler.BeginSample("ImporterContext.LoadNodes");
for (var i = 0; i < GLTF.nodes.Count; i++)
{
Nodes.Add(NodeImporter.ImportNode(GLTF.nodes[i], i).transform);
}
Profiler.EndSample();
}
await awaitCaller.NextFrame();
}
using (MeasureTime("BuildHierarchy"))
{
var nodes = new List <NodeImporter.TransformWithSkin>();
if (Nodes.Count > 0)
{
Profiler.BeginSample("NodeImporter.BuildHierarchy");
for (var i = 0; i < Nodes.Count; ++i)
{
nodes.Add(NodeImporter.BuildHierarchy(GLTF, i, Nodes, Meshes));
}
Profiler.EndSample();
await awaitCaller.NextFrame();
}
NodeImporter.FixCoordinate(GLTF, nodes, inverter);
// skinning
if (nodes.Count > 0)
{
Profiler.BeginSample("NodeImporter.SetupSkinning");
for (var i = 0; i < nodes.Count; ++i)
{
NodeImporter.SetupSkinning(Data, nodes, i, inverter);
}
Profiler.EndSample();
await awaitCaller.NextFrame();
}
if (Root == null)
{
Root = new GameObject("GLTF");
}
if (GLTF.rootnodes != null)
{
// connect root
foreach (var x in GLTF.rootnodes)
{
var t = nodes[x].Transform;
t.SetParent(Root.transform, false);
}
}
}
await awaitCaller.NextFrame();
}