// $Id$
/*
* CraftBook
* Copyright (C) 2010 sk89q <http://www.sk89q.com>
*
* 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.craftbook.util;
import com.sk89q.craftbook.access.BlockEntity;
import com.sk89q.craftbook.access.SignInterface;
import com.sk89q.craftbook.access.WorldInterface;
public class MinecraftUtil {
/**
* Gets the block behind a sign.
*
* @param x
* @param y
* @param z
* @param multiplier
*
* @return
*/
public static Vector getWallSignBack(WorldInterface w, Vector pt, int multiplier) {
int x = pt.getBlockX();
int y = pt.getBlockY();
int z = pt.getBlockZ();
int data = w.getData(x, y, z);
if (data == 0x2) { // East
return new Vector(x, y, z + multiplier);
} else if (data == 0x3) { // West
return new Vector(x, y, z - multiplier);
} else if (data == 0x4) { // North
return new Vector(x + multiplier, y, z);
} else {
return new Vector(x - multiplier, y, z);
}
}
/**
* Gets the block behind a sign.
*
* @param x
* @param y
* @param z
* @param multiplier
*
* @return
*/
public static Vector getSignPostOrthogonalBack(WorldInterface w, Vector pt, int multiplier) {
int x = pt.getBlockX();
int y = pt.getBlockY();
int z = pt.getBlockZ();
int data = w.getData(x, y, z);
if (data == 0x8) { // East
return new Vector(x, y, z + multiplier);
} else if (data == 0x0) { // West
return new Vector(x, y, z - multiplier);
} else if (data == 0x4) { // North
return new Vector(x + multiplier, y, z);
} else if (data == 0xC) { // South
return new Vector(x - multiplier, y, z);
} else {
return null;
}
}
/**
* Gets the block next to a sign.
*
* @param x
* @param y
* @param z
* @param multiplier
*
* @return
*/
public static Vector getWallSignSide(WorldInterface w, Vector pt, int multiplier) {
int x = pt.getBlockX();
int y = pt.getBlockY();
int z = pt.getBlockZ();
int data = w.getData(x, y, z);
if (data == 0x2) { // East
return new Vector(x + multiplier, y, z);
} else if (data == 0x3) { // West
return new Vector(x - multiplier, y, z);
} else if (data == 0x4) { // North
return new Vector(x, y, z - multiplier);
} else {
return new Vector(x, y, z + multiplier);
}
}
/**
* Checks whether a sign at a location has a certain text on a
* particular line, case in-sensitive.
*
* @param pt
* @param lineNo
* @param text
*
* @return
*/
public static boolean doesSignSay(WorldInterface w, Vector pt, int lineNo, String text) {
BlockEntity e = w.getBlockEntity(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());
if (e instanceof SignInterface) {
return ((SignInterface) e).getLine(lineNo).equalsIgnoreCase(text);
}
return false;
}
public static void dropSign(WorldInterface world, int x, int y, int z) {
world.setId(x, y, z, 0);
world.dropItem(x, y, z, 323, 1);
}
public static void dropSign(WorldInterface world, Vector pt) {
int x = pt.getBlockX();
int y = pt.getBlockY();
int z = pt.getBlockZ();
world.setId(x, y, z, 0);
world.dropItem(x, y, z, 323, 1);
}
}