public IEnumerator ProcessOnMainThreadCoroutine(glTF gltf)
{
using (m_textureLoader)
{
var textureType = TextureIO.GetglTFTextureType(gltf, m_textureIndex);
var colorSpace = TextureIO.GetColorSpace(textureType);
var isLinear = colorSpace == RenderTextureReadWrite.Linear;
yield return(m_textureLoader.ProcessOnMainThread(isLinear));
TextureSamplerUtil.SetSampler(Texture, gltf.GetSamplerFromTextureIndex(m_textureIndex));
}
}
public static Texture2D Convert(Texture2D texture, glTFTextureTypes textureType, ColorConversion colorConversion, Material convertMaterial)
{
var copyTexture = TextureItem.CopyTexture(texture, TextureIO.GetColorSpace(textureType), convertMaterial);
if (colorConversion != null)
{
copyTexture.SetPixels32(copyTexture.GetPixels32().Select(x => colorConversion(x)).ToArray());
copyTexture.Apply();
}
copyTexture.name = texture.name;
return(copyTexture);
}
/// <summary>
///
/// </summary>
/// <param name="prop"></param>
/// <param name="smoothness">used only when converting MetallicRoughness maps</param>
/// <returns></returns>
public Texture2D ConvertTexture(string prop, float smoothnessOrRoughness = 1.0f)
{
var convertedTexture = Converts.FirstOrDefault(x => x.Key == prop);
if (convertedTexture.Value != null)
{
return(convertedTexture.Value);
}
if (prop == "_BumpMap")
{
if (Application.isPlaying)
{
var converted = new NormalConverter().GetImportTexture(Texture);
m_converts.Add(prop, converted);
return(converted);
}
else
{
#if UNITY_EDITOR
var textureAssetPath = AssetDatabase.GetAssetPath(Texture);
if (!string.IsNullOrEmpty(textureAssetPath))
{
TextureIO.MarkTextureAssetAsNormalMap(textureAssetPath);
}
else
{
Debug.LogWarningFormat("no asset for {0}", Texture);
}
#endif
return(Texture);
}
}
if (prop == "_MetallicGlossMap")
{
var converted = new MetallicRoughnessConverter(smoothnessOrRoughness).GetImportTexture(Texture);
m_converts.Add(prop, converted);
return(converted);
}
if (prop == "_OcclusionMap")
{
var converted = new OcclusionConverter().GetImportTexture(Texture);
m_converts.Add(prop, converted);
return(converted);
}
return(null);
}
static BytesWithMime GetBytesWithMime(Texture texture, glTFTextureTypes textureType)
{
#if UNITY_EDITOR
var path = UnityPath.FromAsset(texture);
if (path.IsUnderAssetsFolder)
{
if (path.Extension == ".png")
{
return(new BytesWithMime
{
Bytes = System.IO.File.ReadAllBytes(path.FullPath),
Mime = "image/png",
});
}
}
#endif
return(new BytesWithMime
{
Bytes = TextureItem.CopyTexture(texture, TextureIO.GetColorSpace(textureType), null).EncodeToPNG(),
Mime = "image/png",
});
}
/// <summary>
/// Prepareで作ったCopyから、glTFにデータを変換する
/// </summary>
public virtual void Export()
{
var bytesBuffer = new ArrayByteBuffer(new byte[50 * 1024 * 1024]);
var bufferIndex = glTF.AddBuffer(bytesBuffer);
#region Materials and Textures
var unityTextures = Materials.SelectMany(x => TextureIO.GetTextures(x)).Where(x => x.Texture != null)
.Distinct().ToList();
TextureManager = new TextureExportManager(unityTextures.Select(x => x.Texture));
var materialExporter = CreateMaterialExporter();
glTF.materials = Materials.Select(x => materialExporter.ExportMaterial(x, TextureManager)).ToList();
for (var i = 0; i < unityTextures.Count; ++i)
{
var unityTexture = unityTextures[i];
TextureIO.ExportTexture(glTF, bufferIndex, TextureManager.GetExportTexture(i),
unityTexture.TextureType);
}
#endregion
if (Copy != null)
{
#region Meshes
var unityMeshes = Nodes
.Select(x => new MeshWithRenderer
{
Mesh = x.GetSharedMesh(),
Rendererer = x.GetComponent <Renderer>(),
})
.Where(x =>
{
if (x.Mesh == null)
{
return(false);
}
if (x.Rendererer.sharedMaterials == null ||
x.Rendererer.sharedMaterials.Length == 0)
{
return(false);
}
return(true);
})
.ToList();
MeshExporter.ExportMeshes(glTF, bufferIndex, unityMeshes, Materials, UseSparseAccessorForBlendShape);
Meshes = unityMeshes.Select(x => x.Mesh).ToList();
#endregion
#region Nodes and Skins
var unitySkins = Nodes
.Select(x => x.GetComponent <SkinnedMeshRenderer>()).Where(x =>
x != null &&
x.bones != null &&
x.bones.Length > 0)
.ToList();
glTF.nodes = Nodes.Select(x =>
ExportNode(x, Nodes, unityMeshes.Select(y => y.Rendererer).ToList(), unitySkins)).ToList();
glTF.scenes = new List <gltfScene>
{
new gltfScene
{
nodes = Copy.transform.GetChildren().Select(x => Nodes.IndexOf(x)).ToArray(),
}
};
foreach (var x in unitySkins)
{
var matrices = x.sharedMesh.bindposes.Select(y => y.ReverseZ()).ToArray();
var accessor = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, matrices, glBufferTarget.NONE);
var skin = new glTFSkin
{
inverseBindMatrices = accessor,
joints = x.bones.Select(y => Nodes.IndexOf(y)).ToArray(),
skeleton = Nodes.IndexOf(x.rootBone),
};
var skinIndex = glTF.skins.Count;
glTF.skins.Add(skin);
foreach (var z in Nodes.Where(y => y.Has(x)))
{
var nodeIndex = Nodes.IndexOf(z);
var node = glTF.nodes[nodeIndex];
node.skin = skinIndex;
}
}
#endregion
#if UNITY_EDITOR
#region Animations
var clips = new List <AnimationClip>();
var animator = Copy.GetComponent <Animator>();
var animation = Copy.GetComponent <Animation>();
if (animator != null)
{
clips = AnimationExporter.GetAnimationClips(animator);
}
else if (animation != null)
{
clips = AnimationExporter.GetAnimationClips(animation);
}
if (clips.Any())
{
foreach (var clip in clips)
{
var animationWithCurve = AnimationExporter.Export(clip, Copy.transform, Nodes);
AnimationExporter.WriteAnimationWithSampleCurves(glTF, animationWithCurve, clip.name, bufferIndex);
}
}
#endregion
#endif
}
}
/// <summary>
/// Prepareで作ったCopyから、glTFにデータを変換する
/// </summary>
public virtual void Export()
{
var bytesBuffer = new ArrayByteBuffer(new byte[50 * 1024 * 1024]);
var bufferIndex = glTF.AddBuffer(bytesBuffer);
#region Materials and Textures
var unityTextures = Materials.SelectMany(x => TextureIO.GetTextures(x)).Where(x => x.Texture != null)
.Distinct().ToList();
TextureManager = new TextureExportManager(unityTextures.Select(x => x.Texture));
var materialExporter = CreateMaterialExporter();
glTF.materials = Materials.Select(x => materialExporter.ExportMaterial(x, TextureManager)).ToList();
for (var i = 0; i < unityTextures.Count; ++i)
{
var unityTexture = unityTextures[i];
TextureIO.ExportTexture(glTF, bufferIndex, TextureManager.GetExportTexture(i),
unityTexture.TextureType);
}
#endregion
if (Copy != null)
{
#region Meshes
var unityMeshes = Nodes
.Select(x => new MeshWithRenderer
{
Mesh = x.GetSharedMesh(),
Rendererer = x.GetComponent <Renderer>(),
})
.Where(x =>
{
if (x.Mesh == null)
{
return(false);
}
if (x.Rendererer.sharedMaterials == null ||
x.Rendererer.sharedMaterials.Length == 0)
{
return(false);
}
return(true);
})
.ToList();
MeshExporter.ExportMeshes(glTF, bufferIndex, unityMeshes, Materials, UseSparseAccessorForBlendShape);
Meshes = unityMeshes.Select(x => x.Mesh).ToList();
#endregion
#region Nodes and Skins
var unitySkins = Nodes
.Select(x => x.GetComponent <SkinnedMeshRenderer>()).Where(x =>
x != null &&
x.bones != null &&
x.bones.Length > 0)
.ToList();
glTF.nodes = Nodes.Select(x =>
ExportNode(x, Nodes, unityMeshes.Select(y => y.Rendererer).ToList(), unitySkins)).ToList();
glTF.scenes = new List <gltfScene>
{
new gltfScene
{
nodes = Copy.transform.GetChildren().Select(x => Nodes.IndexOf(x)).ToArray(),
}
};
foreach (var x in unitySkins)
{
var matrices = x.sharedMesh.bindposes.Select(y => y.ReverseZ()).ToArray();
var accessor = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, matrices, glBufferTarget.NONE);
var skin = new glTFSkin
{
inverseBindMatrices = accessor,
joints = x.bones.Select(y => Nodes.IndexOf(y)).ToArray(),
skeleton = Nodes.IndexOf(x.rootBone),
};
var skinIndex = glTF.skins.Count;
glTF.skins.Add(skin);
foreach (var z in Nodes.Where(y => y.Has(x)))
{
var nodeIndex = Nodes.IndexOf(z);
var node = glTF.nodes[nodeIndex];
node.skin = skinIndex;
}
}
#endregion
#if UNITY_EDITOR
#region Animations
var clips = new List <AnimationClip>();
var animator = Copy.GetComponent <Animator>();
var animation = Copy.GetComponent <Animation>();
if (animator != null)
{
clips = AnimationExporter.GetAnimationClips(animator);
}
else if (animation != null)
{
clips = AnimationExporter.GetAnimationClips(animation);
}
if (clips.Any())
{
foreach (var clip in clips)
{
var animationWithCurve = AnimationExporter.Export(clip, Copy.transform, Nodes);
foreach (var kv in animationWithCurve.SamplerMap)
{
var sampler = animationWithCurve.Animation.samplers[kv.Key];
var inputAccessorIndex = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Input);
sampler.input = inputAccessorIndex;
var outputAccessorIndex =
glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Output);
sampler.output = outputAccessorIndex;
// modify accessors
var outputAccessor = glTF.accessors[outputAccessorIndex];
var channel = animationWithCurve.Animation.channels.First(x => x.sampler == kv.Key);
switch (glTFAnimationTarget.GetElementCount(channel.target.path))
{
case 1:
outputAccessor.type = "SCALAR";
//outputAccessor.count = ;
break;
case 3:
outputAccessor.type = "VEC3";
outputAccessor.count /= 3;
break;
case 4:
outputAccessor.type = "VEC4";
outputAccessor.count /= 4;
break;
default:
throw new NotImplementedException();
}
}
animationWithCurve.Animation.name = clip.name;
glTF.animations.Add(animationWithCurve.Animation);
}
}
#endregion
#endif
}
}
