Fix Rotation Locking

src/main/java/noppes/npcs/DataAbilities.java

@@ -117,10 +117,33 @@ public class DataAbilities {
      * Should be called every tick from onLivingUpdate().
      */
     public void tick() {
-        if (!enabled || npc.worldObj.isRemote || npc.isKilled()) {
+        if (npc.worldObj.isRemote) {
             return;
         }
 
+        // Force-stop any running ability when NPC is killed or abilities are disabled
+        if (!enabled || npc.isKilled()) {
+            if (currentAbility != null) {
+                removeTelegraph(currentAbility);
+                stopAbilityAnimation();
+                releaseLockedRotation();
+                releaseLockedPosition();
+                currentAbility = null;
+                lastTarget = null;
+            } else {
+                // No ability but locks could be orphaned
+                if (rotationLocked) releaseLockedRotation();
+                if (positionLocked) releaseLockedPosition();
+            }
+            return;
+        }
+
+        // Safety: release orphaned locks if no ability is actively executing
+        if (currentAbility == null || !currentAbility.isExecuting()) {
+            if (rotationLocked) releaseLockedRotation();
+            if (positionLocked) releaseLockedPosition();
+        }
+
         // Tick current ability if executing
         if (currentAbility != null && currentAbility.isExecuting()) {
             tickCurrentAbility();

src/main/java/noppes/npcs/entity/EntityNPCInterface.java

@@ -308,6 +308,13 @@ public abstract class EntityNPCInterface extends EntityCreature implements IEnti
     @Override
     public void onUpdate() {
         super.onUpdate();
+
+        // Re-apply locks after super.onUpdate() to override body rotation smoothing
+        // in EntityLivingBase.onUpdate() (func_110146_f) which runs AFTER onLivingUpdate()
+        // and overwrites renderYawOffset, causing a visible twitch each frame.
+        abilities.applyLockedRotation();
+        abilities.applyLockedPosition();
+
         if (!isRemote()) {
             if (this.ticksExisted % 10 == 0) {
                 EventHooks.onNPCUpdate(this);