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[unity] SkeletonRootMotion components now support arbitrary bones in the hierarchy as Root Motion Bone. Now supporting arbitrary Skeleton.ScaleX/Y and parent bone scale. Closes #1876.

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This commit is contained in:
Harald Csaszar 2021-04-09 17:15:45 +02:00
parent 6c40624d5e
commit 758a83ac96
2 changed files with 34 additions and 13 deletions
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1
CHANGELOG.md
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@ -163,6 +163,7 @@
b) to an arbitrary directory outside the Assets directory and then open Package Manager in Unity, select the `+` icon, choose `Add package from disk..` and point it to the package.json file.
The Project panel should now show an entry `Spine Timeline Extensions` under `Packages`. If the directory is not yet listed, you will need to close and re-open Unity to have it display the directory and its contents.
* `SkeletonMecanim`'s `Layer Mix Mode` enum name `MixMode.SpineStyle` has been renamed to `MixMode.Hard`. This is most likely not set via code and thus unlikely to be a problem. Serialized scenes and prefabs are unaffected.
* `SkeletonRootMotion` and `SkeletonMecanimRootMotion` components now support arbitrary bones in the hierarchy as `Root Motion Bone`. Previously there were problems when selecting a non-root bone as `Root Motion Bone`. `Skeleton.ScaleX` and `.ScaleY` and parent bone scale is now respected as well.
* **Additions**
* **Spine Preferences stored in Assets/Editor/SpineSettings.asset** Now Spine uses the new `SettingsProvider` API, storing settings in a SpineSettings.asset file which can be shared with team members. Your old preferences are automatically migrated to the new system.

46
spine-unity/Assets/Spine/Runtime/spine-unity/Components/RootMotion/SkeletonRootMotionBase.cs
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@ -61,6 +61,7 @@ namespace Spine.Unity {
protected Bone rootMotionBone;
protected int rootMotionBoneIndex;
protected List<Bone> topLevelBones = new List<Bone>();
protected Vector2 initialOffset = Vector2.zero;
protected Vector2 rigidbodyDisplacement;
protected virtual void Reset () {
@ -71,10 +72,14 @@ namespace Spine.Unity {
skeletonComponent = GetComponent<ISkeletonComponent>();
GatherTopLevelBones();
SetRootMotionBone(rootMotionBoneName);
if (rootMotionBone != null)
initialOffset = new Vector2(rootMotionBone.x, rootMotionBone.y);
var skeletonAnimation = skeletonComponent as ISkeletonAnimation;
if (skeletonAnimation != null)
if (skeletonAnimation != null) {
skeletonAnimation.UpdateLocal -= HandleUpdateLocal;
skeletonAnimation.UpdateLocal += HandleUpdateLocal;
}
}
protected virtual void FixedUpdate () {
@ -178,36 +183,51 @@ namespace Spine.Unity {
return; // Root motion is only applied when component is enabled.
var movementDelta = CalculateAnimationsMovementDelta();
AdjustMovementDeltaToConfiguration(ref movementDelta, animatedSkeletonComponent.Skeleton);
ApplyRootMotion(movementDelta);
Vector2 parentBoneScale;
AdjustMovementDeltaToConfiguration(ref movementDelta, out parentBoneScale, animatedSkeletonComponent.Skeleton);
ApplyRootMotion(movementDelta, parentBoneScale);
}
void AdjustMovementDeltaToConfiguration (ref Vector2 localDelta, Skeleton skeleton) {
if (skeleton.ScaleX < 0) localDelta.x = -localDelta.x;
if (skeleton.ScaleY < 0) localDelta.y = -localDelta.y;
if (!transformPositionX) localDelta.x = 0f;
if (!transformPositionY) localDelta.y = 0f;
}
void AdjustMovementDeltaToConfiguration (ref Vector2 localDelta, out Vector2 parentBoneScale, Skeleton skeleton) {
localDelta.x *= skeleton.ScaleX;
localDelta.y *= skeleton.ScaleY;
parentBoneScale = Vector2.one;
Bone scaleBone = rootMotionBone;
while ((scaleBone = scaleBone.parent) != null) {
parentBoneScale.x *= scaleBone.ScaleX;
parentBoneScale.y *= scaleBone.ScaleY;
}
localDelta *= parentBoneScale;
void ApplyRootMotion (Vector2 localDelta) {
localDelta *= AdditionalScale;
localDelta.x *= rootMotionScaleX;
localDelta.y *= rootMotionScaleY;
if (!transformPositionX) localDelta.x = 0f;
if (!transformPositionY) localDelta.y = 0f;
}
void ApplyRootMotion (Vector2 localDelta, Vector2 parentBoneScale) {
// Apply root motion to Transform or RigidBody;
if (UsesRigidbody) {
rigidbodyDisplacement += (Vector2)transform.TransformVector(localDelta);
// Accumulated displacement is applied on the next Physics update (FixedUpdate)
}
else {
transform.position += transform.TransformVector(localDelta);
}
// Move top level bones in opposite direction of the root motion bone
foreach (var topLevelBone in topLevelBones) {
if (transformPositionX) topLevelBone.x -= rootMotionBone.x;
if (transformPositionY) topLevelBone.y -= rootMotionBone.y;
if (topLevelBone == rootMotionBone) {
if (transformPositionX) topLevelBone.x = 0;
if (transformPositionY) topLevelBone.y = 0;
}
else {
if (transformPositionX) topLevelBone.x = -(rootMotionBone.x - initialOffset.x) * parentBoneScale.x;
if (transformPositionY) topLevelBone.y = -(rootMotionBone.y - initialOffset.y) * parentBoneScale.y;
}
}
}
}