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Blazingly fast Minecraft world manipulation for artists, builders and everyone else.
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q
* 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 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.function.mask;
import com.sk89q.worldedit.internal.expression.EvaluationException;
import com.sk89q.worldedit.internal.expression.Expression;
import com.sk89q.worldedit.internal.expression.ExpressionException;
import com.sk89q.worldedit.math.BlockVector2;
import javax.annotation.Nullable;
import java.util.function.IntSupplier;
import static com.google.common.base.Preconditions.checkNotNull;
public class ExpressionMask2D extends AbstractMask2D {
private final Expression expression;
private final IntSupplier timeout;
/**
* Create a new instance.
*
* @param expression the expression
* @throws ExpressionException thrown if there is an error with the expression
*/
public ExpressionMask2D(String expression) throws ExpressionException {
this(Expression.compile(checkNotNull(expression), "x", "z"));
}
/**
* Create a new instance.
*
* @param expression the expression
*/
public ExpressionMask2D(Expression expression) {
this(expression, null);
}
public ExpressionMask2D(Expression expression, @Nullable IntSupplier timeout) {
checkNotNull(expression);
this.expression = expression;
this.timeout = timeout;
}
@Override
public boolean test(BlockVector2 vector) {
try {
if (timeout == null) {
return expression.evaluate(vector.getX(), 0, vector.getZ()) > 0;
} else {
return expression.evaluate(timeout.getAsInt(), vector.getX(), 0, vector.getZ()) > 0;
}
} catch (EvaluationException e) {
return false;
}
}
//FAWE start
@Override
public Mask2D copy2D() {
return new ExpressionMask2D(expression.clone(), timeout);
}
//FAWE end
}