/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.session;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.extent.Extent;
import com.sk89q.worldedit.extent.clipboard.Clipboard;
import com.sk89q.worldedit.extent.transform.BlockTransformExtent;
import com.sk89q.worldedit.function.mask.ExistingBlockMask;
import com.sk89q.worldedit.function.operation.ForwardExtentCopy;
import com.sk89q.worldedit.function.operation.Operation;
import com.sk89q.worldedit.math.transform.Transform;
import com.sk89q.worldedit.world.registry.WorldData;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Builds an operation to paste the contents of a clipboard.
*/
public class PasteBuilder {
private final Clipboard clipboard;
private final WorldData worldData;
private final Transform transform;
private final Extent targetExtent;
private final WorldData targetWorldData;
private Vector to = new Vector();
private boolean ignoreAirBlocks;
/**
* Create a new instance.
*
* @param holder the clipboard holder
* @param targetExtent an extent
* @param targetWorldData world data of the target
*/
PasteBuilder(ClipboardHolder holder, Extent targetExtent, WorldData targetWorldData) {
checkNotNull(holder);
checkNotNull(targetExtent);
checkNotNull(targetWorldData);
this.clipboard = holder.getClipboard();
this.worldData = holder.getWorldData();
this.transform = holder.getTransform();
this.targetExtent = targetExtent;
this.targetWorldData = targetWorldData;
}
/**
* Set the target location.
*
* @param to the target location
* @return this builder instance
*/
public PasteBuilder to(Vector to) {
this.to = to;
return this;
}
/**
* Set whether air blocks in the source are skipped over when pasting.
*
* @return this builder instance
*/
public PasteBuilder ignoreAirBlocks(boolean ignoreAirBlocks) {
this.ignoreAirBlocks = ignoreAirBlocks;
return this;
}
/**
* Build the operation.
*
* @return the operation
*/
public Operation build() {
BlockTransformExtent extent = new BlockTransformExtent(clipboard, transform, targetWorldData.getBlockRegistry());
ForwardExtentCopy copy = new ForwardExtentCopy(extent, clipboard.getRegion(), clipboard.getOrigin(), targetExtent, to);
copy.setTransform(transform);
if (ignoreAirBlocks) {
copy.setSourceMask(new ExistingBlockMask(clipboard));
}
return copy;
}
}