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

package tyrelion;

import org.newdawn.slick.geom.Shape;

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

/**
 * @author jahudi
 *
 */
public class CollisionManager {
  
  private static CollisionManager instance = null;

  private Shape[][] tiles;
  private Player player;
  private TyrelionMap map;

  public static CollisionManager getInstance() {
    if (instance == null) {
      instance = new CollisionManager();
    }
    return instance;
  }
  
  public boolean collided(float x, float y) {
    player.getShape().setCenterX(x*48);
    player.getShape().setCenterY(y*48+10);
    boolean collided = false;
    int tileX;
    int tileY;
    
    if (playerOutOfMap(x, y)) {
      return true;
    }
    
    for (int i = player.getTileX() - 1; i <= player.getTileX() + 1; i++) {
      for (int j = player.getTileY() - 1; j <= player.getTileY() + 1; j++) {        
        
        if (i < 0) {
          tileX = 0;
        } else if (i >= map.getWidth()) {
          tileX = map.getWidth()-1;
        } else {
          tileX = i;
        }
        
        if (j < 0) {
          tileY = 0;
        } else if (j >= map.getHeight()) {
          tileY = map.getHeight()-1;
        } else {
          tileY = j;
        }
        
        if (tiles[tileX][tileY] != null) {
          if (player.getShape().intersects(tiles[tileX][tileY])) {
            collided = true;
            break;
          }
        }
        if (map.getNpcs().getNpc(tileX, tileY) != null) {
          if (player.getShape().intersects(map.getNpcs().getNpc(tileX, tileY).getShape())) {
            collided = true;
            break;
          }
        }
      }
    }
    return collided;
  }
  
  public boolean playerOutOfMap(float x, float y) {
    if (x < 0 || y < 0 || x > 63 || y > 63) {
      return true;
    } else {
      return false;
    }
  }
  
  /**
   * @param tiles the tiles to set
   */
  public void setTiles(Shape[][] tiles) {
    this.tiles = tiles;
  }

  /**
   * @return the tiles
   */
  public Shape[][] getTiles() {
    return tiles;
  }
  
  /**
   * @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;
  }
  
}