fix entity manager with default instance

src/game-lib-api-entity-manager.js

@@ -4,13 +4,13 @@
  * @param id
  * @param name
  * @param entities GameLib.API.Entity[]
- * @param parentEntity
+ * @param defaultEntity
  */
 GameLib.API.EntityManager = function(
     id,
     name,
     entities,
-    parentEntity
+    defaultEntity
 ) {
 	if (GameLib.Utils.UndefinedOrNull(id)) {
 		id = GameLib.Utils.RandomId();
@@ -27,10 +27,10 @@ GameLib.API.EntityManager = function(
 	}
 	this.entities = entities;
 
-	if (GameLib.Utils.UndefinedOrNull(parentEntity)) {
-		parentEntity = null;
-	}
-	this.parentEntity = parentEntity;
+    if (GameLib.Utils.UndefinedOrNull(defaultEntity)) {
+        defaultEntity = null;
+    }
+    this.defaultEntity = defaultEntity;
 };
 
 GameLib.API.EntityManager.prototype = Object.create(GameLib.Component.prototype);
@@ -53,6 +53,6 @@ GameLib.API.EntityManager.FromObject = function(objectEntityManager) {
         objectEntityManager.id,
         objectEntityManager.name,
         apiEntities,
-        objectEntityManager.parentEntity
+        objectEntityManager.defaultEntity
     );
 };

src/game-lib-entity-manager.js

@@ -2,13 +2,23 @@
  * GameLib.EntityManager
  * @constructor
  */
-GameLib.EntityManager = function() {
+GameLib.EntityManager = function(apiEntityManager) {
 
-    this.id = GameLib.Utils.RandomId();
+    if (GameLib.Utils.UndefinedOrNull(apiEntityManager)) {
+        apiEntityManager = {};
+    }
 
-    this.name = 'Entity Manager (' + this.id + ')';
+    if (apiEntityManager instanceof GameLib.EntityManager) {
+        return apiEntityManager;
+    }
 
-    this.entities = [];
+    GameLib.API.EntityManager.call(
+        this,
+        apiEntityManager.id,
+        apiEntityManager.name,
+        apiEntityManager.entities,
+        apiEntityManager.defaultEntity
+    );
 
     /**
      * The 'register' array is a register of each component currently loaded - when the linking
@@ -31,12 +41,13 @@ GameLib.EntityManager = function() {
         this,
         GameLib.Component.COMPONENT_ENTITY_MANAGER,
         {
-            'entities' : [GameLib.Entity]
+            'entities' : [GameLib.Entity],
+            'defaultEntity' : GameLib.Entity
         }
     );
 };
 
-GameLib.EntityManager.prototype = Object.create(GameLib.Component.prototype);
+GameLib.EntityManager.prototype = Object.create(GameLib.API.EntityManager.prototype);
 GameLib.EntityManager.prototype.constructor = GameLib.EntityManager;
 
 GameLib.EntityManager.prototype.createInstance = function() {
@@ -131,6 +142,8 @@ GameLib.EntityManager.prototype.createEntity = function(name) {
 
     this.entities.push(entity);
 
+    this.defaultEntity = entity;
+
     GameLib.Event.Emit(
         GameLib.Event.NEW_ENTITY,
         {
@@ -334,7 +347,7 @@ GameLib.EntityManager.prototype.toApiObject = function() {
         this.id,
         this.name,
         apiEntities,
-		GameLib.Utils.IdOrNull(this.parentEntity)
+		GameLib.Utils.IdOrNull(this.defaultEntity)
     );
 
     return apiEntityManager;