Fix Spine animations without default skin, paths in mesh attachments and optimize SpineActor

plugin-tiled/src/main/java/games/rednblack/editor/plugin/tiled/view/SpineDrawable.java

@@ -30,6 +30,10 @@ public class SpineDrawable extends BaseDrawable {
         this.skeleton = skeleton;
         AnimationStateData animationStateData = new AnimationStateData(skeleton.getData());
         animationState = new AnimationState(animationStateData);
+        if (skeleton.getData().getDefaultSkin() == null) {
+            skeleton.setSkin(skeleton.getData().getSkins().get(0));
+            skeleton.setSlotsToSetupPose();
+        }
 
         computeBoundBox();
 

src/main/java/games/rednblack/editor/view/ui/widget/actors/SpineActor.java

@@ -34,10 +34,11 @@ public class SpineActor extends Actor {
         this.renderer = new SkeletonRenderer();
         this.animationName = animationName;
         initSkeletonData();
-        initSpine();
+        scaleChanged();
     }
 
     private void computeBoundBox() {
+        skeleton.setPosition(0, 0);
         skeleton.updateWorldTransform();
 
         Array<Slot> drawOrder = skeleton.getDrawOrder();
@@ -79,15 +80,15 @@ public class SpineActor extends Actor {
         SpineDataObject spineDataObject = (SpineDataObject) irr.getExternalItemType(SpineItemType.SPINE_TYPE, animationName);
         skeletonJson = spineDataObject.skeletonJson;
         skeletonData = spineDataObject.skeletonData;
-    }
-
-    private void initSpine() {
-        skeleton = new Skeleton(skeletonData);
-        skeleton.setScale(getScaleX(), getScaleY());
         AnimationStateData stateData = new AnimationStateData(skeletonData);
         state = new AnimationState(stateData);
-        computeBoundBox();
+        skeleton = new Skeleton(skeletonData);
+
         setAnimation(skeletonData.getAnimations().get(0).getName());
+        if (skeletonData.getDefaultSkin() == null) {
+            skeleton.setSkin(skeletonData.getSkins().get(0));
+            skeleton.setSlotsToSetupPose();
+        }
     }
 
     public Array<Animation> getAnimations() {
@@ -103,9 +104,9 @@ public class SpineActor extends Actor {
     }
 
     @Override
-    public void setScale(float scale) {
-        super.setScale(scale);
-        initSpine();
+    protected void scaleChanged() {
+        skeleton.setScale(getScaleX(), getScaleY());
+        computeBoundBox();
     }
 
     @Override
@@ -122,12 +123,16 @@ public class SpineActor extends Actor {
         super.draw(batch, parentAlpha);
     }
 
+    @Override
+    protected void positionChanged() {
+        skeleton.setPosition(getX() - minX, getY() - minY);
+    }
+
     @Override
     public void act(float delta) {
         skeleton.updateWorldTransform(); //
         state.update(delta);
         state.apply(skeleton);
-        skeleton.setPosition(getX() - minX, getY() - minY);
         super.act(delta);
     }
 }