Saber-Factions/src/main/java/com/massivecraft/factions/util/LazyLocation.java

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package com.massivecraft.factions.util;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.World;
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import java.io.Serializable;
/*
* This class provides a lazy-load Location, so that World doesn't need to be initialized
* yet when an object of this class is created, only when the Location is first accessed.
*/
public class LazyLocation implements Serializable {
private static final long serialVersionUID = -6049901271320963314L;
private transient Location location = null;
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private String worldName;
private double x;
private double y;
private double z;
private float pitch;
private float yaw;
public LazyLocation(Location loc) {
setLocation(loc);
}
public LazyLocation(final String worldName, final double x, final double y, final double z) {
this(worldName, x, y, z, 0, 0);
}
public LazyLocation(final String worldName, final double x, final double y, final double z, final float yaw, final float pitch) {
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this.worldName = worldName;
this.x = x;
this.y = y;
this.z = z;
this.yaw = yaw;
this.pitch = pitch;
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}
// This returns the actual Location
public final Location getLocation() {
// make sure Location is initialized before returning it
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initLocation();
return location;
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}
// change the Location
public final void setLocation(Location loc) {
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this.location = loc;
this.worldName = loc.getWorld().getName();
this.x = loc.getX();
this.y = loc.getY();
this.z = loc.getZ();
this.yaw = loc.getYaw();
this.pitch = loc.getPitch();
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}
// This initializes the Location
private void initLocation() {
// if location is already initialized, simply return
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if (location != null) {
return;
}
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// get World; hopefully it's initialized at this point
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World world = Bukkit.getWorld(worldName);
if (world == null) {
return;
}
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// store the Location for future calls, and pass it on
location = new Location(world, x, y, z, yaw, pitch);
}
public final String getWorldName() {
return worldName;
}
public final double getX() {
return x;
}
public final double getY() {
return y;
}
public final double getZ() {
return z;
}
public final double getPitch() {
return pitch;
}
public final double getYaw() {
return yaw;
}
}