Plex-FAWE/src/main/java/com/sk89q/worldedit/Location.java

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// $Id$
/*
* WorldEdit
* Copyright (C) 2010 sk89q <http://www.sk89q.com> and contributors
*
* 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 com.sk89q.worldedit;
public class Location {
private final LocalWorld world;
private final Vector position;
private final float yaw;
private final float pitch;
public Location(LocalWorld world, Vector position) {
this(world, position, 0, 0);
}
public Location(LocalWorld world, Vector position, float yaw, float pitch) {
this.world = world;
this.position = position;
this.yaw = yaw;
this.pitch = pitch;
}
public LocalWorld getWorld() {
return world;
}
public Vector getPosition() {
return position;
}
public float getYaw() {
return yaw;
}
public float getPitch() {
return pitch;
}
public Location setAngles(float yaw, float pitch) {
return new Location(world, position, yaw, pitch);
}
public Location setPosition(Vector position) {
return new Location(world, position, yaw, pitch);
}
public Location add(Vector other) {
return setPosition(position.add(other));
}
public Location add(double x, double y, double z) {
return setPosition(position.add(x, y, z));
}
public Vector getDirection() {
final double yawRadians = Math.toRadians(yaw);
final double pitchRadians = Math.toRadians(pitch);
final double y = -Math.sin(pitchRadians);
final double h = Math.cos(pitchRadians);
final double x = -h * Math.sin(yawRadians);
final double z = h * Math.cos(yawRadians);
return new Vector(x, y, z);
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof Location))
return false;
Location location = (Location) obj;
if (!world.equals(location.world))
return false;
if (!position.equals(location.position))
return false;
return true;
}
@Override
public int hashCode() {
return position.hashCode() + 19 * world.hashCode();
}
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@Override
public String toString() {
return "World: " + world.getName() + ", Coordinates: " + position.toString()
+ ", Yaw: " + yaw + ", Pitch: " + pitch;
}
public static Location fromLookAt(LocalWorld world, Vector start, Vector lookAt) {
final Vector diff = lookAt.subtract(start);
return fromEye(world, start, diff);
}
public static Location fromEye(LocalWorld world, Vector start, Vector eye) {
final double eyeX = eye.getX();
final double eyeZ = eye.getZ();
final float yaw = (float) Math.toDegrees(Math.atan2(-eyeX, eyeZ));
final double length = Math.sqrt(eyeX * eyeX + eyeZ * eyeZ);
final float pitch = (float) Math.toDegrees(Math.atan2(-eye.getY(), length));
return new Location(world, start, yaw, pitch);
}
}