CoordinatesTranslator.java :  » Game » tyrelion » tyrelion » Java Open Source

/**
 * 
 */
package tyrelion;

import java.awt.Point;

import tyrelion.map.TyrelionMap;
import tyrelion.objects.Player;

/**
 * @author jahudi
 *
 */
public class CoordinatesTranslator {
  
  private static CoordinatesTranslator instance = null;
  
  private TyrelionMap map;
  private Player player;
  
  public static CoordinatesTranslator getInstance() {
    if (instance == null) {
      instance = new CoordinatesTranslator();
    }
    return instance;
  }
  
  public Point translateCoordinates(int x, int y) {
    float mouseX;
    float mouseY;
    float targetX;
    float targetY;
    float tempX = x / (new Float(TyrelionMap.getTileSize()));
    float tempY = y / (new Float(TyrelionMap.getTileSize()));
    int offsetX = (int)(((int)tempX - tempX) * TyrelionMap.getTileSize());
    int offsetY = (int)(((int)tempY - tempY) * TyrelionMap.getTileSize());
    mouseX = (x-offsetX) / (new Float(TyrelionMap.getTileSize()));
    mouseY = (y-offsetY) / (new Float(TyrelionMap.getTileSize()));
    
    // absolute in relative Position und Ziel-Tile berechnen
    if (mouseX < player.getTileX()) {
      targetX = player.getTileX() - new Float(map.getLeftOffsetInTiles()) + mouseX;
    } else {
      targetX = player.getTileX() + mouseX - new Float(map.getLeftOffsetInTiles());
    }
    if (mouseY < player.getTileY()) {
      targetY = player.getTileY() - new Float(map.getTopOffsetInTiles()) + mouseY;
    } else {
      targetY = player.getTileY() + mouseY - new Float(map.getTopOffsetInTiles());
    }
    return new Point((int)targetX, (int)targetY);
  }
  
  /**
   * @param map the map to set
   */
  public void setMap(TyrelionMap map) {
    this.map = map;
  }
  /**
   * @param player the player to set
   */
  public void setPlayer(Player player) {
    this.player = player;
  }

  /**
   * @return the map
   */
  public TyrelionMap getMap() {
    return map;
  }

  /**
   * @return the player
   */
  public Player getPlayer() {
    return player;
  }

}