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LOOHP
46 lines
1.5 KiB
Java
46 lines
1.5 KiB
Java
/*
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* This file is part of Limbo.
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*
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* Copyright (C) 2022. LoohpJames <jamesloohp@gmail.com>
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* Copyright (C) 2022. Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.loohp.limbo.utils;
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import net.querz.mca.Section;
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public class ChunkDataUtils {
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public static void adjustBlockStateBits(int newBits, Section section, int dataVersion) {
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//increases or decreases the amount of bits used per BlockState
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//based on the size of the palette.
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long[] blockStates = section.getBlockStates();
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long[] newBlockStates;
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if (dataVersion < 2527) {
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newBlockStates = newBits == blockStates.length / 64 ? blockStates : new long[newBits * 64];
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} else {
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int newLength = (int) Math.ceil(4096D / (64D / newBits));
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newBlockStates = newBits == blockStates.length / 64 ? blockStates : new long[newLength];
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}
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for (int i = 0; i < 4096; i++) {
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section.setPaletteIndex(i, section.getPaletteIndex(i), newBlockStates);
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}
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section.setBlockStates(newBlockStates);
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}
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}
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