/*
* Copyright (C) 2014 eccentric_nz
*
* 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 me.eccentric_nz.TARDIS.utility.recalculators;
import me.eccentric_nz.TARDIS.enumeration.COMPASS;
/**
*
* @author eccentric_nz
*/
public class TARDISButtonRecalculator {
/**
* Recalculate the data for directional block (TRAPDOOR) when the TARDIS
* preset changes direction.
*
* @param b the byte stored in the preset data
* @param d the new direction of the TARDIS
* @return the recalculated byte
*/
public byte recalculate(byte b, COMPASS d) {
byte recalc;
switch (d) {
case SOUTH:
switch (b) {
case 1:
recalc = 3;
break;
case 2:
recalc = 4;
break;
case 3:
recalc = 2;
break;
case 4:
recalc = 1;
break;
default:
recalc = b;
}
break;
case WEST:
switch (b) {
case 1:
recalc = 2;
break;
case 2:
recalc = 1;
break;
default:
recalc = b;
}
break;
default:
switch (b) {
case 1:
recalc = 4;
break;
case 2:
recalc = 3;
break;
case 3:
recalc = 1;
break;
case 4:
recalc = 2;
break;
default:
recalc = b;
}
break;
}
return recalc;
}
}