66 lines
2.3 KiB
Java
66 lines
2.3 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.function.factory;
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import com.sk89q.worldedit.function.Contextual;
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import com.sk89q.worldedit.function.EditContext;
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import com.sk89q.worldedit.function.LayerFunction;
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import com.sk89q.worldedit.function.operation.Operation;
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import com.sk89q.worldedit.function.visitor.LayerVisitor;
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import com.sk89q.worldedit.regions.FlatRegion;
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import com.sk89q.worldedit.regions.NullRegion;
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import com.sk89q.worldedit.regions.Regions;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static com.sk89q.worldedit.util.GuavaUtil.firstNonNull;
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public class ApplyLayer implements Contextual<Operation> {
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private final FlatRegion region;
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private final Contextual<? extends LayerFunction> function;
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public ApplyLayer(Contextual<? extends LayerFunction> function) {
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this(Regions.asFlatRegion(new NullRegion()), function);
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}
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public ApplyLayer(FlatRegion region, Contextual<? extends LayerFunction> function) {
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checkNotNull(region, "region");
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checkNotNull(function, "function");
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this.region = region;
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this.function = function;
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}
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@Override
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public Operation createFromContext(EditContext context) {
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FlatRegion localRegion = Regions.asFlatRegion(firstNonNull(context.getRegion(), region));
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return new LayerVisitor(localRegion,
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localRegion.getMinimumPoint().getY(),
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localRegion.getMaximumPoint().getY(),
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function.createFromContext(context));
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}
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@Override
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public String toString() {
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return "set " + function;
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}
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}
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