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[libgdx] Fixed AnimationState not applying identically to AttachmentTimeline.

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closes EsotericSoftware/spine-editor#947
This commit is contained in:
Nathan Sweet 2026-03-10 21:24:48 -04:00
parent 604a09b3fb
commit 7ba2bfec77
1 changed files with 10 additions and 7 deletions
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17
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java
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@ -237,7 +237,7 @@ public class AnimationState {
for (int ii = 0; ii < timelineCount; ii++) {
Timeline timeline = timelines[ii];
if (timeline instanceof AttachmentTimeline attachmentTimeline)
applyAttachmentTimeline(attachmentTimeline, skeleton, applyTime, blend, attachments);
applyAttachmentTimeline(attachmentTimeline, skeleton, applyTime, blend, false, attachments);
else
timeline.apply(skeleton, animationLast, applyTime, applyEvents, alpha, blend, MixDirection.in, false);
}
@ -256,7 +256,7 @@ public class AnimationState {
applyRotateTimeline(rotateTimeline, skeleton, applyTime, alpha, timelineBlend, timelinesRotation, ii << 1,
firstFrame);
} else if (timeline instanceof AttachmentTimeline attachmentTimeline)
applyAttachmentTimeline(attachmentTimeline, skeleton, applyTime, blend, attachments);
applyAttachmentTimeline(attachmentTimeline, skeleton, applyTime, blend, false, attachments);
else
timeline.apply(skeleton, animationLast, applyTime, applyEvents, alpha, timelineBlend, MixDirection.in, false);
}
@ -326,7 +326,6 @@ public class AnimationState {
from.totalAlpha = 0;
for (int i = 0; i < timelineCount; i++) {
Timeline timeline = timelines[i];
MixDirection direction = MixDirection.out;
MixBlend timelineBlend;
float alpha;
switch (timelineMode[i]) {
@ -358,9 +357,10 @@ public class AnimationState {
applyRotateTimeline(rotateTimeline, skeleton, applyTime, alpha, timelineBlend, timelinesRotation, i << 1,
firstFrame);
} else if (timeline instanceof AttachmentTimeline attachmentTimeline)
applyAttachmentTimeline(attachmentTimeline, skeleton, applyTime, timelineBlend,
applyAttachmentTimeline(attachmentTimeline, skeleton, applyTime, timelineBlend, true,
attachments && alpha >= from.alphaAttachmentThreshold);
else {
MixDirection direction = MixDirection.out;
if (drawOrder && timeline instanceof DrawOrderTimeline && timelineBlend == MixBlend.setup)
direction = MixDirection.in;
timeline.apply(skeleton, animationLast, applyTime, events, alpha, timelineBlend, direction, false);
@ -380,13 +380,15 @@ public class AnimationState {
* @param attachments False when: 1) the attachment timeline is mixing out, 2) mix < attachmentThreshold, and 3) the timeline
* is not the last timeline to set the slot's attachment. In that case the timeline is applied only so subsequent
* timelines see any deform. */
private void applyAttachmentTimeline (AttachmentTimeline timeline, Skeleton skeleton, float time, MixBlend blend,
private void applyAttachmentTimeline (AttachmentTimeline timeline, Skeleton skeleton, float time, MixBlend blend, boolean out,
boolean attachments) {
Slot slot = skeleton.slots.items[timeline.slotIndex];
if (!slot.bone.active) return;
if (time < timeline.frames[0]) { // Time is before first frame.
if (out) {
if (blend == MixBlend.setup) setAttachment(skeleton, slot, slot.data.attachmentName, attachments);
} else if (time < timeline.frames[0]) { // Time is before first frame.
if (blend == MixBlend.setup || blend == MixBlend.first)
setAttachment(skeleton, slot, slot.data.attachmentName, attachments);
} else
@ -1096,7 +1098,8 @@ public class AnimationState {
* to 1, which overwrites the skeleton's current pose with this animation.
* <p>
* Typically track 0 is used to completely pose the skeleton, then alpha is used on higher tracks. It doesn't make sense to
* use alpha on track 0 if the skeleton pose is from the last frame render. */
* use alpha on track 0 if the skeleton pose is from the last frame render.
* @see #getAlphaAttachmentThreshold() */
public float getAlpha () {
return alpha;
}