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fix: zero scale on outfit destroys transform data (#577)

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Closes: #574
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bd_ 2023-12-26 16:10:38 +09:00 committed by GitHub
parent e6ffd04110
commit 93aa4db3e8
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1 changed files with 69 additions and 42 deletions
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111
Runtime/ArmatureAwase/OnewayArmatureLock.cs
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@ -50,7 +50,7 @@ namespace nadena.dev.modular_avatar.core.armature_lock
}
}
//[BurstCompile]
[BurstCompile]
struct ComputePosition : IJobParallelFor
{
[ReadOnly] public NativeArray<BoneStaticData> _boneStatic;
@ -115,51 +115,71 @@ namespace nadena.dev.modular_avatar.core.armature_lock
_baseParentBones = new Transform[mergeToBase.Count];
_mergeParentBones = new Transform[mergeToBase.Count];
for (int i = 0; i < mergeToBase.Count; i++)
try
{
var (mergeBone, baseBone) = mergeToBase[i];
var mergeParent = mergeBone.parent;
var baseParent = baseBone.parent;
if (mergeParent == null || baseParent == null)
for (int i = 0; i < mergeToBase.Count; i++)
{
throw new Exception("Can't handle root objects");
var (mergeBone, baseBone) = mergeToBase[i];
var mergeParent = mergeBone.parent;
var baseParent = baseBone.parent;
if (mergeParent == null || baseParent == null)
{
throw new Exception("Can't handle root objects");
}
if (SmallScale(mergeParent.localScale) || SmallScale(mergeBone.localScale) ||
SmallScale(baseBone.localScale))
{
throw new Exception("Can't handle near-zero scale bones");
}
_baseBones[i] = baseBone;
_mergeBones[i] = mergeBone;
_baseParentBones[i] = baseParent;
_mergeParentBones[i] = mergeParent;
_baseState[i] = TransformState.FromTransform(baseBone);
_mergeSavedState[i] = _mergeState[i] = TransformState.FromTransform(mergeBone);
// We want to emulate the hierarchy:
// baseParent
// - baseBone
// - v_mergeBone
//
// However our hierarchy actually is:
// mergeParent
// - mergeBone
//
// Our question is: What is the local affine transform of mergeBone -> mergeParent space, given a new
// baseBone -> baseParent affine transform?
// First, relative to baseBone, what is the local affine transform of mergeBone?
var mat_l = baseBone.worldToLocalMatrix * mergeBone.localToWorldMatrix;
// We also find parent -> mergeParent
var mat_r = mergeParent.worldToLocalMatrix * baseParent.localToWorldMatrix;
// Now we can multiply:
// (baseParent -> mergeParent) * (baseBone -> baseParent) * (mergeBone -> baseBone)
// = (baseParent -> mergeParent) * (mergeBone -> baseParent)
// = (mergeBone -> mergeParent)
_boneStaticData[i] = new BoneStaticData()
{
_mat_l = mat_r,
_mat_r = mat_l
};
}
}
catch (Exception e)
{
_boneStaticData.Dispose();
_mergeSavedState.Dispose();
_baseState.Dispose();
_mergeState.Dispose();
_fault.Dispose();
_wroteAny.Dispose();
_baseBones[i] = baseBone;
_mergeBones[i] = mergeBone;
_baseParentBones[i] = baseParent;
_mergeParentBones[i] = mergeParent;
_baseState[i] = TransformState.FromTransform(baseBone);
_mergeSavedState[i] = _mergeState[i] = TransformState.FromTransform(mergeBone);
// We want to emulate the hierarchy:
// baseParent
// - baseBone
// - v_mergeBone
//
// However our hierarchy actually is:
// mergeParent
// - mergeBone
//
// Our question is: What is the local affine transform of mergeBone -> mergeParent space, given a new
// baseBone -> baseParent affine transform?
// First, relative to baseBone, what is the local affine transform of mergeBone?
var mat_l = baseBone.worldToLocalMatrix * mergeBone.localToWorldMatrix;
// We also find parent -> mergeParent
var mat_r = mergeParent.worldToLocalMatrix * baseParent.localToWorldMatrix;
// Now we can multiply:
// (baseParent -> mergeParent) * (baseBone -> baseParent) * (mergeBone -> baseBone)
// = (baseParent -> mergeParent) * (mergeBone -> baseParent)
// = (mergeBone -> mergeParent)
_boneStaticData[i] = new BoneStaticData()
{
_mat_l = mat_r,
_mat_r = mat_l
};
throw e;
}
_baseBonesAccessor = new TransformAccessArray(_baseBones);
@ -170,6 +190,13 @@ namespace nadena.dev.modular_avatar.core.armature_lock
#endif
}
private bool SmallScale(Vector3 scale)
{
var epsilon = 0.000001f;
return (scale.x < epsilon || scale.y < epsilon || scale.z < epsilon);
}
private bool DoCompute(out JobHandle handle)
{
handle = default;