38 lines
1.2 KiB
Java
38 lines
1.2 KiB
Java
/*
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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 <http://www.gnu.org/licenses/>.
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*/
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package fr.neatmonster.nocheatplus.utilities.ds.map;
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public class CoordHash {
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private static final int p1 = 73856093;
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private static final int p2 = 19349663;
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private static final int p3 = 83492791;
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/**
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* Standard int-based hash code for a 3D-space, using multiplication with
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* primes and XOR results.
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*
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* @param x
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* @param y
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* @param z
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* @return
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*/
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// TODO: Link paper, or find a better one :p.
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public static final int hashCode3DPrimes(final int x, final int y, final int z) {
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return p1 * x ^ p2 * y ^ p3 * z;
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}
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}
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