// $Id$ /* * WorldEdit * Copyright (C) 2010, 2011 sk89q * * 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 . */ package com.sk89q.worldedit.data; import com.sk89q.worldedit.blocks.BlockID; /** * Block data related classes. * * @author sk89q */ public final class BlockData { /** * Rotate a block's data value 90 degrees (north->east->south->west->north); * * @param type * @param data * @return */ public static int rotate90(int type, int data) { if (type == BlockID.TORCH || type == BlockID.REDSTONE_TORCH_OFF || type == BlockID.REDSTONE_TORCH_ON) { switch (data) { case 1: return 3; case 2: return 4; case 3: return 2; case 4: return 1; } } else if (type == BlockID.MINECART_TRACKS) { switch (data) { case 0: return 1; case 1: return 0; case 2: return 5; case 3: return 4; case 4: return 2; case 5: return 3; case 6: return 7; case 7: return 8; case 8: return 9; case 9: return 6; } } else if (type == BlockID.WOODEN_STAIRS || type == BlockID.COBBLESTONE_STAIRS) { switch (data) { case 0: return 2; case 1: return 3; case 2: return 1; case 3: return 0; } } else if (type == BlockID.LEVER) { int thrown = data & 0x8; int withoutThrown = data ^ 0x8; switch (withoutThrown) { case 1: return 3 | thrown; case 2: return 4 | thrown; case 3: return 2 | thrown; case 4: return 1 | thrown; } } else if (type == BlockID.WOODEN_DOOR || type == BlockID.IRON_DOOR) { int topHalf = data & 0x8; int swung = data & 0x4; int withoutFlags = data ^ (0x8 | 0x4); switch (withoutFlags) { case 0: return 1 | topHalf | swung; case 1: return 2 | topHalf | swung; case 2: return 3 | topHalf | swung; case 3: return 0 | topHalf | swung; } } else if (type == BlockID.STONE_BUTTON) { int thrown = data & 0x8; int withoutThrown = data ^ 0x8; switch (withoutThrown) { case 1: return 3 | thrown; case 2: return 4 | thrown; case 3: return 2 | thrown; case 4: return 1 | thrown; } } else if (type == BlockID.SIGN_POST) { return (data + 4) % 16; } else if (type == BlockID.LADDER || type == BlockID.WALL_SIGN || type == BlockID.FURNACE || type == BlockID.BURNING_FURNACE || type == BlockID.DISPENSER) { switch (data) { case 2: return 5; case 3: return 4; case 4: return 2; case 5: return 3; } } else if (type == BlockID.PUMPKIN || type == BlockID.JACKOLANTERN) { switch (data) { case 0: return 1; case 1: return 2; case 2: return 3; case 3: return 0; } } else if (type == BlockID.TRAP_DOOR) { int open = data & 0x4; int withoutOpen = data ^ 0x4; switch (withoutOpen) { case 0: return 3 | open; case 1: return 2 | open; case 2: return 0 | open; case 3: return 1 | open; } } return data; } /** * Rotate a block's data value -90 degrees (north<-east<-south<-west<-north); * * @param type * @param data * @return */ public static int rotate90Reverse(int type, int data) { // case ([0-9]+): return ([0-9]+) -> case \2: return \1 if (type == BlockID.TORCH || type == BlockID.REDSTONE_TORCH_OFF || type == BlockID.REDSTONE_TORCH_ON) { switch (data) { case 3: return 1; case 4: return 2; case 2: return 3; case 1: return 4; } } else if (type == BlockID.MINECART_TRACKS) { switch (data) { case 1: return 0; case 0: return 1; case 5: return 2; case 4: return 3; case 2: return 4; case 3: return 5; case 7: return 6; case 8: return 7; case 9: return 8; case 6: return 9; } } else if (type == BlockID.WOODEN_STAIRS || type == BlockID.COBBLESTONE_STAIRS) { switch (data) { case 2: return 0; case 3: return 1; case 1: return 2; case 0: return 3; } } else if (type == BlockID.LEVER) { int thrown = data & 0x8; int withoutThrown = data ^ 0x8; switch (withoutThrown) { case 3: return 1 | thrown; case 4: return 2 | thrown; case 2: return 3 | thrown; case 1: return 4 | thrown; } } else if (type == BlockID.WOODEN_DOOR || type == BlockID.IRON_DOOR) { int topHalf = data & 0x8; int swung = data & 0x4; int withoutFlags = data ^ (0x8 | 0x4); switch (withoutFlags) { case 1: return 0 | topHalf | swung; case 2: return 1 | topHalf | swung; case 3: return 2 | topHalf | swung; case 0: return 3 | topHalf | swung; } } else if (type == BlockID.STONE_BUTTON) { int thrown = data & 0x8; int withoutThrown = data ^ 0x8; switch (withoutThrown) { case 3: return 1 | thrown; case 4: return 2 | thrown; case 2: return 3 | thrown; case 1: return 4 | thrown; } } else if (type == BlockID.SIGN_POST) { int newData = (data - 4); if (newData < 0) { newData += 16; } return newData; } else if (type == BlockID.LADDER || type == BlockID.WALL_SIGN || type == BlockID.FURNACE || type == BlockID.BURNING_FURNACE || type == BlockID.DISPENSER) { switch (data) { case 5: return 2; case 4: return 3; case 2: return 4; case 3: return 5; } } else if (type == BlockID.PUMPKIN || type == BlockID.JACKOLANTERN) { switch (data) { case 1: return 0; case 2: return 1; case 3: return 2; case 0: return 3; } } else if (type == BlockID.TRAP_DOOR) { int open = data & 0x4; int withoutOpen = data ^ 0x4; switch (withoutOpen) { case 3: return 0 | open; case 2: return 1 | open; case 0: return 2 | open; case 1: return 3 | open; } } return data; } /** * Flip a block's data value. * * @param type * @param data * @return */ public static int flip(int type, int data) { return rotate90(type, rotate90(type, data)); } }