mirror of https://github.com/GeyserMC/Geyser.git
116 lines
3.6 KiB
Java
116 lines
3.6 KiB
Java
/*
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* Copyright (c) 2019-2021 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.connector.utils.collections;
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import it.unimi.dsi.fastutil.ints.AbstractInt2ByteMap;
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import it.unimi.dsi.fastutil.ints.Int2ByteMap;
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import it.unimi.dsi.fastutil.objects.ObjectSet;
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public class FixedInt2ByteMap extends AbstractInt2ByteMap {
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protected byte[] value;
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protected int start = -1;
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@Override
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public int size() {
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return value.length;
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}
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@Override
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public ObjectSet<Int2ByteMap.Entry> int2ByteEntrySet() {
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throw new UnsupportedOperationException();
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}
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@Override
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public byte get(int i) {
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return getOrDefault(i, defRetValue);
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}
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@Override
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public byte getOrDefault(int key, byte defaultValue) {
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int offset = key - start;
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if (offset < 0 || offset >= value.length) {
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return defaultValue;
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}
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return value[offset];
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}
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@Override
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public byte put(int key, byte value) {
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if (start == -1) {
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start = key;
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this.value = new byte[] {value};
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} else {
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int offset = key - start;
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if (offset >= 0 && offset < this.value.length) {
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byte curr = this.value[offset];
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this.value[offset] = value;
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return curr;
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} else if (offset != this.value.length) {
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throw new IndexOutOfBoundsException("Expected: " + (this.value.length + start) + ", got " + key);
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}
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byte[] newValue = new byte[offset + 1];
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System.arraycopy(this.value, 0, newValue, 0, this.value.length);
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this.value = newValue;
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this.value[offset] = value;
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}
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return this.defRetValue;
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}
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@Override
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public boolean containsKey(int k) {
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int offset = k - start;
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return offset >= 0 && offset < value.length;
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}
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@Override
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public boolean containsValue(byte v) {
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for (byte i : value) {
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if (i == v) {
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return true;
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}
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}
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return false;
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}
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder("{");
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int index = start;
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for (byte b : value) {
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builder.append(index++).append("=>").append(b);
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if (index < value.length + start) {
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// Add commas while there are still more entries in the list
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builder.append(", ");
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}
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}
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return builder.append('}').toString();
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}
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}
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