Make Behavior assets available for modules

Author: msteiger

engine/src/main/java/org/terasology/logic/behavior/BehaviorComponent.java

@@ -17,12 +17,14 @@
 
 import org.terasology.entitySystem.Component;
 import org.terasology.logic.behavior.asset.BehaviorTree;
+import org.terasology.module.sandbox.API;
 
 /**
  * Entities with this component are handled by a behavior tree. Default tree to fetch may be set.
  *
  * @author synopia
  */
+@API
 public class BehaviorComponent implements Component {
     public BehaviorTree tree;
 }

engine/src/main/java/org/terasology/logic/behavior/BehaviorNodeComponent.java

@@ -16,13 +16,15 @@
 package org.terasology.logic.behavior;
 
 import org.terasology.entitySystem.Component;
+import org.terasology.module.sandbox.API;
 import org.terasology.rendering.nui.Color;
 
 /**
  * Defines a renderable node used to display behavior trees.
  *
  * @author synopia
  */
+@API
 public class BehaviorNodeComponent implements Component {
     public static final BehaviorNodeComponent DEFAULT = new BehaviorNodeComponent();
 

engine/src/main/java/org/terasology/logic/behavior/asset/BehaviorTree.java

@@ -21,6 +21,7 @@
 import org.terasology.logic.behavior.BehaviorNodeFactory;
 import org.terasology.logic.behavior.nui.RenderableNode;
 import org.terasology.logic.behavior.tree.Node;
+import org.terasology.module.sandbox.API;
 
 import java.util.List;
 
@@ -32,6 +33,7 @@
  *
  * @author synopia
  */
+@API
 public class BehaviorTree extends Asset<BehaviorTreeData> {
     private BehaviorTreeData data;
 

engine/src/main/java/org/terasology/logic/behavior/tree/SetAnimationNode.java

@@ -71,8 +71,10 @@ public void onInitialize() {
             if (getNode().loop != null) {
                 skeletalMesh.animationPool.clear();
                 List<?> animationListToLoop = (List<?>) actor().getComponentField(getNode().loop);
-                for (Object object : animationListToLoop) {
-                    skeletalMesh.animationPool.add((MeshAnimation) object);
+                if (animationListToLoop != null) {
+                    for (Object object : animationListToLoop) {
+                        skeletalMesh.animationPool.add((MeshAnimation) object);
+                    }
                 }
             }
             skeletalMesh.loop = true;