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103 lines
2.6 KiB
Java
103 lines
2.6 KiB
Java
// $Id$
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/*
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* WorldEdit
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* Copyright (C) 2010 sk89q <http://www.sk89q.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit;
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import com.sk89q.worldedit.bags.BlockBag;
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import com.sk89q.worldedit.blocks.BaseBlock;
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/**
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* An edit session that can be set to not replace existing blocks.
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*
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* @author sk89q
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*/
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public class ReplacingEditSession extends EditSession {
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/**
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* True to prevent replacing.
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*/
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private boolean noReplace = false;
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/**
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* Construct the object.
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*
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* @param server
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* @param world
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* @param maxBlocks
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*/
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public ReplacingEditSession(ServerInterface server, LocalWorld world,
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int maxBlocks) {
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super(server, world, maxBlocks);
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}
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/**
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* Construct the object.
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*
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* @param server
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* @param world
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* @param maxBlocks
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* @param blockBag
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*/
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public ReplacingEditSession(ServerInterface server, LocalWorld world,
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int maxBlocks, BlockBag blockBag) {
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super(server, world, maxBlocks, blockBag);
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}
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/**
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* Enables block replacing.
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*/
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public void enableReplacing() {
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noReplace = false;
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}
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/**
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* Disables block replacing.
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*/
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public void disableReplacing() {
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noReplace = true;
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}
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/**
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* Sets a block without changing history.
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*
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* @param pt
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* @param blockType
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* @return Whether the block changed
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*/
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public boolean rawSetBlock(Vector pt, BaseBlock block) {
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if (!noReplace) {
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return super.rawSetBlock(pt, block);
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}
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int y = pt.getBlockY();
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if (y < 0 || y > 127) {
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return false;
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}
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int existing = world.getBlockType(pt);
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if (existing != 0) {
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return false;
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}
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return super.rawSetBlock(pt, block);
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}
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}
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