forked from BLOCKFANTASY/LOOHP-Limbo
LOOHP
107 lines
3.2 KiB
Java
107 lines
3.2 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.world;
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import java.util.ArrayList;
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import java.util.List;
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public class LightEngineSky extends LightEngine {
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private World world;
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private byte[][][] skyLightArray;
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public LightEngineSky(World world) {
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skyLightArray = new byte[world.getChunkWidth() * 16][16 * 18][world.getChunkLength() * 16];
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/*
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for (byte[][] arrayarray : skyLightArray) {
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for (byte[] array : arrayarray) {
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Arrays.fill(array, (byte) 0);
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}
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}
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*/
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this.world = world;
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updateWorld();
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}
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public void updateWorld() {
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skyLightArray = new byte[world.getChunkWidth() * 16][16 * 18][world.getChunkLength() * 16];
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for (int x = 0; x < world.getWidth(); x++) {
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for (int z = 0; z < world.getLength(); z++) {
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updateColumn(x, z);
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}
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}
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}
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private void updateColumn(int x, int z) {
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for (int y = 272; y >= 256; y--) {
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propergate(15, x, y, z);
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}
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for (int y = 255; y >= 0; y--) {
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BlockState block = world.getBlock(x, y, z);
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//System.out.println("X:" + x + " Y: " + y + " Z: " + z + " Block: " + block.getType().toString());
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if (!block.getType().toString().equals("minecraft:air")) {
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break;
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}
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propergate(15, x, y, z);
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}
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}
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private void propergate(int level, int x, int y, int z) {
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try {
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if (skyLightArray[x][y + 16][z] < level) {
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skyLightArray[x][y + 16][z] = (byte) level;
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if (level > 1) {
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try {propergate(level - 1, x + 1, y, z);} catch (ArrayIndexOutOfBoundsException e) {}
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try {propergate(level - 1, x - 1, y, z);} catch (ArrayIndexOutOfBoundsException e) {}
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try {propergate(level - 1, x, y + 1, z);} catch (ArrayIndexOutOfBoundsException e) {}
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try {propergate(level - 1, x, y, z + 1);} catch (ArrayIndexOutOfBoundsException e) {}
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try {propergate(level - 1, x, y, z - 1);} catch (ArrayIndexOutOfBoundsException e) {}
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}
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}
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} catch (ArrayIndexOutOfBoundsException e) {}
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}
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public List<Byte[]> getSkyLightBitMask(int chunkX, int chunkZ) {
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List<Byte[]> subchunks = new ArrayList<>(18);
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int startX = chunkX * 16;
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int endingX = startX + 16;
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int startZ = chunkZ * 16;
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int endingZ = startZ + 16;
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for (int sub = 17; sub >= 0; sub--) {
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List<Byte> array = new ArrayList<>();
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for (int y = sub * 16; y < (sub * 16) + 16; y++) {
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for (int z = startZ; z < endingZ; z++) {
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for (int x = startX; x < endingX; x += 2) {
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int bit = skyLightArray[x][y][z];
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bit = bit << 4;
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bit |= skyLightArray[x + 1][y][z];
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array.add((byte) bit);
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}
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}
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}
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subchunks.add(array.toArray(new Byte[2048]));
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}
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return subchunks;
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}
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}
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