76 lines
2.3 KiB
Java
76 lines
2.3 KiB
Java
/*
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*
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* MIT License
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*
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* Copyright (c) 2020 TerraForged
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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 all
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* 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 THE
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* SOFTWARE.
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*/
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package com.terraforged.core.region;
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public class Size {
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public final int size;
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public final int total;
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public final int border;
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private final int mask;
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public Size(int size, int border) {
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this.size = size;
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this.mask = size - 1;
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this.border = border;
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this.total = size + (2 * border);
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}
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public int mask(int i) {
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return i & mask;
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}
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public int indexOf(int x, int z) {
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return (z * total) + x;
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}
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public static int chunkToBlock(int i) {
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return i << 4;
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}
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public static int blockToChunk(int i) {
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return i >> 4;
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}
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public static int count(int minX, int minZ, int maxX, int maxZ) {
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int dx = maxX - minX;
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int dz = maxZ - minZ;
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return dx * dz;
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}
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public static Size chunks(int factor, int borderChunks) {
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int chunks = 1 << factor;
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return new Size(chunks, borderChunks);
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}
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public static Size blocks(int factor, int borderChunks) {
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int chunks = 1 << factor;
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int blocks = chunks << 4;
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int borderBlocks = borderChunks << 4;
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return new Size(blocks, borderBlocks);
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}
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}
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