// $Id$
/*
* 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.mech.ic.world;
import com.sk89q.craftbook.BlockType;
import com.sk89q.craftbook.access.ServerInterface;
import com.sk89q.craftbook.access.WorldInterface;
import com.sk89q.craftbook.blockbag.BlockBagException;
import com.sk89q.craftbook.blockbag.NearbyChestBlockBag;
import com.sk89q.craftbook.mech.ic.*;
import com.sk89q.craftbook.util.CraftBookUtil;
import com.sk89q.craftbook.util.SignText;
import com.sk89q.craftbook.util.Vector;
/**
* Dispenser.
*
* @author sk89q
*/
public class MC1202 extends BaseIC {
/**
* Get the title of the IC.
*
* @return
*/
public String getTitle() {
return "CHEST DISPENSER";
}
/**
* Returns true if this IC requires permission to use.
*
* @return
*/
public boolean requiresPermission() {
return true;
}
/**
* Validates the IC's environment. The position of the sign is given.
* Return a string in order to state an error message and deny
* creation, otherwise return null to allow.
*
* @param sign
*
* @return
*/
public String validateEnvironment(ServerInterface i, WorldInterface w, Vector pos, SignText sign) {
String id = sign.getLine3();
if (id.length() == 0) {
return "Specify a item type on the third line.";
} else if (CraftBookUtil.getItem(i.getConfiguration(), id) < 1) {
return "Not a valid item type: " + sign.getLine3() + ".";
}
if (sign.getLine4().length() > 0) {
try {
Math.min(64, Math.max(1, Integer.parseInt(sign.getLine4())));
} catch (NumberFormatException e) {
return "Not a valid quantity: " + sign.getLine4() + ".";
}
}
return null;
}
/**
* Think.
*
* @param chip
*/
public void think(ChipState chip) {
if (!chip.getIn(1).is()) {
return;
}
NearbyChestBlockBag source = new NearbyChestBlockBag(chip.getPosition());
source.addSourcePosition(chip.getWorld(), chip.getPosition());
String id = chip.getText().getLine3();
int quantity = 1;
try {
quantity = Math.min(64,
Math.max(1, Integer.parseInt(chip.getText().getLine4())));
} catch (NumberFormatException e) {
}
int item = CraftBookUtil.getItem(chip.getServer().getConfiguration(), id);
if (item > 0 && !(item >= 21 && item <= 34) && item != 36) {
Vector pos = chip.getBlockPosition();
int maxY = Math.min(128, pos.getBlockY() + 10);
int x = pos.getBlockX();
int z = pos.getBlockZ();
for (int y = pos.getBlockY() + 1; y <= maxY; y++) {
if (BlockType.canPassThrough(chip.getWorld().getId(x, y, z))) {
int n = 0;
for (n = 0; n < quantity; n++) {
try {
source.fetchBlock(item);
} catch (BlockBagException e) {
break;
}
}
if (n != 0) chip.getWorld().dropItem(x, y, z, item, quantity);
return;
}
}
}
}
}