97 lines
2.8 KiB
Java
97 lines
2.8 KiB
Java
/*
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* WorldEdit, a Minecraft world manipulation toolkit
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* Copyright (C) sk89q <http://www.sk89q.com>
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* Copyright (C) WorldEdit team and contributors
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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 <https://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.history.change;
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import com.sk89q.worldedit.WorldEditException;
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import com.sk89q.worldedit.extent.Extent;
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import com.sk89q.worldedit.history.UndoContext;
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import com.sk89q.worldedit.math.BlockVector3;
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import com.sk89q.worldedit.world.biome.BiomeType;
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import static com.google.common.base.Preconditions.checkNotNull;
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/**
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* Represents a biome change that may be undone or replayed.
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*
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* <p>This biome change does not have an {@link Extent} assigned to it because
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* one will be taken from the passed {@link UndoContext}. If the context
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* does not have an extent (it is null), cryptic errors may occur.</p>
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*/
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public class BiomeChange3D implements Change {
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private final BlockVector3 position;
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private final BiomeType previous;
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private final BiomeType current;
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/**
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* Create a new biome change.
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*
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* @param position the position
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* @param previous the previous biome
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* @param current the current biome
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*/
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public BiomeChange3D(BlockVector3 position, BiomeType previous, BiomeType current) {
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checkNotNull(position);
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checkNotNull(previous);
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checkNotNull(current);
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this.position = position;
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this.previous = previous;
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this.current = current;
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}
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/**
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* Get the position.
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*
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* @return the position
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*/
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public BlockVector3 getPosition() {
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return position;
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}
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/**
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* Get the previous biome.
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*
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* @return the previous biome
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*/
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public BiomeType getPrevious() {
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return previous;
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}
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/**
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* Get the current biome.
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*
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* @return the current biome
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*/
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public BiomeType getCurrent() {
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return current;
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}
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@Override
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public void undo(UndoContext context) throws WorldEditException {
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checkNotNull(context.getExtent()).setBiome(position, previous);
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}
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@Override
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public void redo(UndoContext context) throws WorldEditException {
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checkNotNull(context.getExtent()).setBiome(position, current);
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}
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}
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