L2ZoneForm.java example

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silentium-master
/*
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that
 * it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If
 * not, see <http://www.gnu.org/licenses/>.
 */
package silentium.gameserver.model.zone;

import silentium.gameserver.idfactory.IdFactory;
import silentium.gameserver.instancemanager.ZoneManager;
import silentium.gameserver.model.L2ItemInstance;

/**
 * Abstract base class for any zone form
 * 
 * @author durgus
 */
public abstract class L2ZoneForm
{
	protected static final int STEP = 20;

	public abstract boolean isInsideZone(int x, int y, int z);

	public abstract boolean intersectsRectangle(int x1, int x2, int y1, int y2);

	public abstract double getDistanceToZone(int x, int y);

	public abstract int getLowZ(); // Support for the ability to extract the z coordinates of zones.

	public abstract int getHighZ(); // New fishing patch makes use of that to get the Z for the hook

	protected boolean lineSegmentsIntersect(int ax1, int ay1, int ax2, int ay2, int bx1, int by1, int bx2, int by2)
	{
		return java.awt.geom.Line2D.linesIntersect(ax1, ay1, ax2, ay2, bx1, by1, bx2, by2);
	}

	public abstract void visualizeZone(int z);

	protected final static void dropDebugItem(int itemId, int num, int x, int y, int z)
	{
		L2ItemInstance item = new L2ItemInstance(IdFactory.getInstance().getNextId(), itemId);
		item.setCount(num);
		item.spawnMe(x, y, z + 5);
		ZoneManager.getInstance().getDebugItems().add(item);
	}
}