XMLTileFactory.java

package vooga.towerdefense.model.tiles.factories;

import java.util.HashMap;
import org.w3c.dom.Element;
import util.Location;
import util.XMLTool;
import vooga.towerdefense.model.GameMap;
import vooga.towerdefense.model.Tile;
import vooga.towerdefense.model.tiles.VersaTile;
import vooga.towerdefense.util.Pixmap;


/**
 * Creates tiles from an XML element handed in to this class by the MapEditor.
 * 
 * @author Yoshida
 */
public class XMLTileFactory extends TileFactory {
    
    private static final String TILE_IMAGES_CLASS_PATH = "/vooga/towerdefense/images/map/";
    private static final String IMGFILE_TAG = "image";
    private static final String NAME_TAG = "name";
    private static final String WALKABLE_TAG = "walkable";
    private static final String BUILDABLE_TAG = "buildable";
    private static final String XML_TRUE = "yes";
    
    private String myName;
    private String myID;
    private Pixmap myImage;
    private XMLTool myXMLTool;
    private HashMap<String, String> myData;
    
    /**
     * The constructor of this class sets the data read from an XML element using the XMLTool.
     * @param tool XMLTool from utility
     * @param tileElement XML element containing the tile data
     * @param id The id of the tile in the XML file map data.
     */
    public XMLTileFactory(XMLTool tool, Element tileElement, String id) {
        myXMLTool = tool;
        myID = id;
        setData(tileElement);
    }
    
    private void setData (Element tileElement) {
        myData = (HashMap<String, String>) myXMLTool.getChildrenStringMap(tileElement);
        myName = myData.get(NAME_TAG);
        myImage = new Pixmap(TILE_IMAGES_CLASS_PATH + myData.get(IMGFILE_TAG));
    }
    
    @Override
    public String getName () {
        return myName;
    }
    
    @Override
    public Tile createTile (Location center, GameMap map) {
        VersaTile tile = new VersaTile(myImage, center, map.getTileSize());
        tile.setName(myName);
        tile.setTileBuildable(myData.get(BUILDABLE_TAG).equals(XML_TRUE));
        tile.setTileWalkable(myData.get(WALKABLE_TAG).equals(XML_TRUE));
        return tile;
    }
    
    @Override
    public String getTileId () {
        return myID;
    }
}