When adding value at end of array use assignment instead of push to i…

…mprove performance on mobile. Fixes richardlord#32

src/ash/core/Engine.as

@@ -123,7 +123,7 @@ package ash.core
 			var entities : Vector.<Entity> = new Vector.<Entity>();
 			for( var entity : Entity = entityList.head; entity; entity = entity.next )
 			{
-				entities.push( entity );
+				entities[ entities.length ] = entity;
 			}
 			return entities;
 		}
@@ -235,7 +235,7 @@ package ash.core
 			var systems : Vector.<System> = new Vector.<System>();
 			for( var system : System = systemList.head; system; system = system.next )
 			{
-				systems.push( system );
+				systems[ systems.length ] = system;
 			}
 			return systems;
 		}

src/ash/core/Entity.as

@@ -155,7 +155,7 @@ package ash.core
 			var componentArray : Array = new Array();
 			for each( var component : * in components )
 			{
-				componentArray.push( component );
+				componentArray[ componentArray.length ] = component;
 			}
 			return componentArray;
 		}

src/ash/core/NodeList.as

@@ -276,13 +276,13 @@ package ash.core
 				}
 				var next : Node = end.next;
 				start.previous = end.next = null;
-				lists.push( start );
+				lists[ lists.length ] = start;
 				start = next;
 			}
 			// reassemble it in order
 			while( lists.length > 1 )
 			{
-				lists.push( merge( lists.shift(), lists.shift(), sortFunction ) );
+				lists[ lists.length ] = merge( lists.shift(), lists.shift(), sortFunction );
 			}
 			// find the tail
 			tail = head = lists[0];

src/ash/fsm/EngineState.as

@@ -60,7 +60,7 @@ package ash.fsm
 		public function addProvider( provider : ISystemProvider ) : StateSystemMapping
 		{
 			var mapping : StateSystemMapping = new StateSystemMapping( this, provider );
-			providers.push( provider );
+			providers[ providers.length ] = provider;
 			return mapping;
 		}
 	}

src/ash/io/enginecodecs/EngineEncoder.as

@@ -50,13 +50,13 @@ package ash.io.enginecodecs
 				var encodedComponent : Object = encodeComponent( component );
 				if( encodedComponent )
 				{
-					componentIds.push( encodedComponent );
+					componentIds[ componentIds.length ] = encodedComponent;
 				}
 			}
-			encodedEntities.push( {
+			encodedEntities[ encodedEntities.length ] = {
 				name : entity.name,
 				components : componentIds
-			} );
+			};
 		}
 
 		private function encodeComponent( component : Object ) : uint
@@ -70,7 +70,7 @@ package ash.io.enginecodecs
 			{
 				encoded.id = nextComponentId++;
 				componentEncodingMap[ component ] = encoded;
-				encodedComponents.push( encoded );
+				encodedComponents[ encodedComponents.length ] = encoded;
 				return encoded.id;
 			}
 			return 0;

src/ash/io/objectcodecs/ArrayObjectCodec.as

@@ -12,7 +12,7 @@ package ash.io.objectcodecs
 			var codec : IObjectCodec;
 			for each( var value : Object in object )
 			{
-				values.push( codecManager.encodeObject( value ) );
+				values[ values.length ] = codecManager.encodeObject( value );
 			}
 			return { type:type, values:values };
 
@@ -25,7 +25,7 @@ package ash.io.objectcodecs
 			var decoded : Object = new type();
 			for each( var obj : Object in object.values )
 			{
-				decoded.push( codecManager.decodeObject( obj ) );
+				decoded[ decoded.length ] = codecManager.decodeObject( obj );
 			}
 			return decoded;
 		}
@@ -34,7 +34,7 @@ package ash.io.objectcodecs
 		{
 			for each( var obj : Object in object.values )
 			{
-				target.push( codecManager.decodeObject( obj ) );
+				target[ target.length ] = codecManager.decodeObject( obj );
 			}
 		}
 

src/ash/tools/ComponentPool.as

@@ -64,7 +64,7 @@ package ash.tools
 			{
 				var type : Class = component.constructor as Class;
 				var pool:Array = getPool( type );
-				pool.push( component );
+				pool[ pool.length ] = component;
 			}
 		}