mirror of https://github.com/GeyserMC/Geyser.git
80 lines
2.5 KiB
Java
80 lines
2.5 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.level.block;
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import com.nukkitx.network.util.Preconditions;
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public class BlockPositionIterator {
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private final int minX;
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private final int minY;
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private final int minZ;
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private final int sizeX;
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private final int sizeZ;
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private int i = 0;
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private final int maxI;
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public BlockPositionIterator(int minX, int minY, int minZ, int maxX, int maxY, int maxZ) {
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Preconditions.checkArgument(maxX >= minX, "maxX is not greater than or equal to minX");
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Preconditions.checkArgument(maxY >= minY, "maxY is not greater than or equal to minY");
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Preconditions.checkArgument(maxZ >= minZ, "maxZ is not greater than or equal to minZ");
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this.minX = minX;
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this.minY = minY;
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this.minZ = minZ;
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this.sizeX = maxX - minX + 1;
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int sizeY = maxY - minY + 1;
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this.sizeZ = maxZ - minZ + 1;
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this.maxI = sizeX * sizeY * sizeZ;
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}
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public boolean hasNext() {
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return i < maxI;
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}
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public void next() {
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// Iterate in zxy order
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i++;
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}
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public void reset() {
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i = 0;
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}
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public int getX() {
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return ((i / sizeZ) % sizeX) + minX;
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}
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public int getY() {
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return (i / sizeZ / sizeX) + minY;
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}
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public int getZ() {
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return (i % sizeZ) + minZ;
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}
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} |