ActionConvertTo.java

package Roguelike.Entity.AI.BehaviourTree.Actions;

import Roguelike.Global;
import Roguelike.Entity.GameEntity;
import Roguelike.Entity.AI.BehaviourTree.BehaviourTree.BehaviourTreeState;
import Roguelike.Tiles.GameTile;
import Roguelike.Tiles.Point;

import com.badlogic.gdx.utils.XmlReader.Element;

public class ActionConvertTo extends AbstractAction
{
	private enum ConvertType
	{
		POSITION
	}

	ConvertType Type;
	String InputKey;
	String OutputKey;

	@Override
	public BehaviourTreeState evaluate( GameEntity entity )
	{
		Object o = getData( InputKey, null );

		if ( o == null )
		{
			State = BehaviourTreeState.FAILED;
		}
		else
		{
			if ( Type == ConvertType.POSITION )
			{
				Object storedVal = getData( OutputKey, null );
				if ( storedVal != null && storedVal instanceof Point )
				{
					Global.PointPool.free( (Point) storedVal );
					setData( OutputKey, null );
				}

				if ( o instanceof GameTile )
				{
					GameTile gt = (GameTile) o;
					setData( OutputKey, Global.PointPool.obtain().set( gt.x, gt.y ) );
					State = BehaviourTreeState.SUCCEEDED;
				}
				else if ( o instanceof GameEntity )
				{
					GameEntity e = (GameEntity) o;
					setData( OutputKey, Global.PointPool.obtain().set( e.tile[0][0].x, e.tile[0][0].y ) );
					State = BehaviourTreeState.SUCCEEDED;
				}
				else
				{
					State = BehaviourTreeState.FAILED;
				}
			}
		}

		return State;
	}

	@Override
	public void cancel()
	{
	}

	@Override
	public void parse( Element xmlElement )
	{
		Type = ConvertType.valueOf( xmlElement.getAttribute( "Type" ).toUpperCase() );
		InputKey = xmlElement.getAttribute( "InputKey" );
		OutputKey = xmlElement.getAttribute( "OutputKey" );
	}

}