package com.sk89q.craftbook.mech.ic.world;
// $Id$
/*
* 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/>.
*/
import com.sk89q.craftbook.mech.ic.BaseIC;
import com.sk89q.craftbook.mech.ic.ChipState;
import com.sk89q.craftbook.util.SignText;
import com.sk89q.craftbook.util.Vector;
/**
* Checks for the presence of water.
*
* @author yofreke
*/
public class MC1260 extends BaseIC {
/**
* Trigger only on rising edge.
*/
private boolean triggerOnRising = false;
/**
* Construct the object.
*
* @param triggerOnRising
*/
public MC1260(boolean triggerOnRising) {
this.triggerOnRising = triggerOnRising;
}
/**
* Get the title of the IC.
*
* @return
*/
public String getTitle() {
return "WATER SENSOR";
}
/**
* 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(Vector pos, SignText sign) {
String yOffsetLine = sign.getLine3();
try {
if (yOffsetLine.length() > 0) {
Integer.parseInt(yOffsetLine);
}
} catch (NumberFormatException e) {
return "The third line must be a number or be blank.";
}
return null;
}
/**
* Think.
*
* @param chip
*/
public void think(ChipState chip) {
if (triggerOnRising && !chip.getIn(1).is()) {
return;
}
Vector blockPos = chip.getBlockPosition();
int x = blockPos.getBlockX();
int y = blockPos.getBlockY();
int z = blockPos.getBlockZ();
try {
String yOffsetLine = chip.getText().getLine3();
if (yOffsetLine.length() > 0) {
y += Integer.parseInt(yOffsetLine);
} else {
y -= 1;
}
} catch (NumberFormatException e) {
y -= 1;
}
y = Math.min(Math.max(0, y), 127);
int type = chip.getWorld().getId(x, y, z);
chip.getOut(1).set(type == 8 || type == 9);
}
}