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SkinningInfo.cs を切り出し

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ousttrue 2022-06-16 20:11:14 +09:00
parent 8234e840fe
commit d7c93c75b5
3 changed files with 76 additions and 51 deletions
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62
Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/MeshData.cs
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@ -200,23 +200,6 @@ namespace UniGLTF
if (!primitives.HasNormal()) HasNormal = false;
}
private static (float x, float y, float z, float w) NormalizeBoneWeight(
(float x, float y, float z, float w) src)
{
var sum = src.x + src.y + src.z + src.w;
if (sum == 0)
{
return src;
}
var f = 1.0f / sum;
src.x *= f;
src.y *= f;
src.z *= f;
src.w *= f;
return src;
}
private BlendShape GetOrCreateBlendShape(int i)
{
if (i < _blendShapes.Count && _blendShapes[i] != null)
@ -330,8 +313,7 @@ namespace UniGLTF
var texCoords0 = primitives.GetTexCoords0(data, positions.Length);
var texCoords1 = primitives.GetTexCoords1(data, positions.Length);
var colors = primitives.GetColors(data, positions.Length);
var jointsGetter = primitives.GetJoints(data, positions.Length);
var weightsGetter = primitives.GetWeights(data, positions.Length);
var skinning = SkinningInfo.Create(data, gltfMesh, primitives);
CheckAttributeUsages(primitives);
@ -357,8 +339,6 @@ namespace UniGLTF
}
var texCoord1 = texCoords1 != null ? texCoords1.Value[i].ReverseUV() : Vector2.zero;
var joints = jointsGetter?.Invoke(i) ?? (0, 0, 0, 0);
var weights = weightsGetter != null ? NormalizeBoneWeight(weightsGetter(i)) : (0, 0, 0, 0);
var color = colors != null ? colors.Value[i] : Color.white;
AddVertex(
@ -369,15 +349,7 @@ namespace UniGLTF
texCoord1,
color
),
(jointsGetter != null) ? new SkinnedMeshVertex(
joints.x,
joints.y,
joints.z,
joints.w,
weights.x,
weights.y,
weights.z,
weights.w) : default);
skinning.GetSkinnedVertex(i));
}
// blendshape
@ -468,8 +440,7 @@ namespace UniGLTF
var texCoords0 = primitives.GetTexCoords0(data, positions.Length);
var texCoords1 = primitives.GetTexCoords1(data, positions.Length);
var colors = primitives.GetColors(data, positions.Length);
var jointsGetter = primitives.GetJoints(data, positions.Length);
var weightsGetter = primitives.GetWeights(data, positions.Length);
var skinning = SkinningInfo.Create(data, gltfMesh, primitives);
CheckAttributeUsages(primitives);
@ -494,26 +465,15 @@ namespace UniGLTF
var texCoord1 = texCoords1 != null ? texCoords1.Value[i].ReverseUV() : Vector2.zero;
var color = colors != null ? colors.Value[i] : Color.white;
var joints = jointsGetter?.Invoke(i) ?? (0, 0, 0, 0);
var weights = weightsGetter != null ? NormalizeBoneWeight(weightsGetter(i)) : (0, 0, 0, 0);
AddVertex(new MeshVertex(
position,
normal,
texCoord0,
texCoord1,
color
),
(jointsGetter != null) ? new SkinnedMeshVertex(
joints.x,
joints.y,
joints.z,
joints.w,
weights.x,
weights.y,
weights.z,
weights.w) : default);
AddVertex(
new MeshVertex(
position,
normal,
texCoord0,
texCoord1,
color),
skinning.GetSkinnedVertex(i));
}
// blendshape

54
Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/SkinningInfo.cs Normal file
View File

@ -0,0 +1,54 @@
namespace UniGLTF
{
class SkinningInfo
{
public JointsAccessor.Getter Joints;
public WeightsAccessor.Getter Weights;
public static SkinningInfo Create(GltfData data, glTFMesh mesh, glTFPrimitives primitives)
{
var positions = data.GLTF.accessors[primitives.attributes.POSITION];
return new SkinningInfo
{
Joints = primitives.GetJoints(data, positions.count),
Weights = primitives.GetWeights(data, positions.count),
};
}
private static (float x, float y, float z, float w) NormalizeBoneWeight(
(float x, float y, float z, float w) src)
{
var sum = src.x + src.y + src.z + src.w;
if (sum == 0)
{
return src;
}
var f = 1.0f / sum;
src.x *= f;
src.y *= f;
src.z *= f;
src.w *= f;
return src;
}
public SkinnedMeshVertex GetSkinnedVertex(int i)
{
if (Joints == null)
{
return default;
}
var joints = Joints?.Invoke(i) ?? (0, 0, 0, 0);
var weights = Weights != null ? NormalizeBoneWeight(Weights(i)) : (0, 0, 0, 0);
return new SkinnedMeshVertex(
joints.x,
joints.y,
joints.z,
joints.w,
weights.x,
weights.y,
weights.z,
weights.w);
}
}
}

11
Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/SkinningInfo.cs.meta Normal file
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@ -0,0 +1,11 @@
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defaultReferences: []
executionOrder: 0
icon: {instanceID: 0}
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