77 lines
2.5 KiB
Java
77 lines
2.5 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 ViaVersion and contributors
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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.viaversion.viaversion.api.data;
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import java.util.Arrays;
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public class IntArrayMappings implements Mappings {
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private final int[] mappings;
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private final int mappedIds;
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protected IntArrayMappings(final int[] mappings, final int mappedIds) {
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this.mappings = mappings;
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this.mappedIds = mappedIds;
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}
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public static IntArrayMappings of(final int[] mappings, final int mappedIds) {
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return new IntArrayMappings(mappings, mappedIds);
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}
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@Override
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public int getNewId(int id) {
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return id >= 0 && id < mappings.length ? mappings[id] : -1;
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}
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@Override
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public void setNewId(int id, int mappedId) {
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mappings[id] = mappedId;
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}
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@Override
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public int size() {
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return mappings.length;
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}
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@Override
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public int mappedSize() {
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return mappedIds;
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}
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@Override
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public Mappings inverse() {
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final int[] inverse = new int[mappedIds];
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Arrays.fill(inverse, -1);
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for (int id = 0; id < mappings.length; id++) {
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final int mappedId = mappings[id];
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if (mappedId != -1 && inverse[mappedId] == -1) {
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inverse[mappedId] = id;
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}
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}
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return of(inverse, mappings.length);
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}
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public int[] raw() {
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return mappings;
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}
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}
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