109 lines
3.7 KiB
Java
109 lines
3.7 KiB
Java
/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) 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
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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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package de.bluecolored.bluemap.core.world.block;
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import de.bluecolored.bluemap.core.map.hires.RenderSettings;
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import de.bluecolored.bluemap.core.resources.resourcepack.ResourcePack;
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import de.bluecolored.bluemap.core.world.World;
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public class BlockNeighborhood<T extends BlockNeighborhood<T>> extends ExtendedBlock<T> {
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private static final int DIAMETER = 8;
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private static final int DIAMETER_MASK = DIAMETER - 1;
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private static final int DIAMETER_SQUARED = DIAMETER * DIAMETER;
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private final ExtendedBlock<?>[] neighborhood;
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private int thisIndex;
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public BlockNeighborhood(ExtendedBlock<?> center) {
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super(center.getResourcePack(), center.getRenderSettings(), null, 0, 0, 0);
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copy(center);
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neighborhood = new ExtendedBlock[DIAMETER * DIAMETER * DIAMETER];
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init();
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}
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public BlockNeighborhood(ResourcePack resourcePack, RenderSettings renderSettings, World world, int x, int y, int z) {
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super(resourcePack, renderSettings, world, x, y, z);
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neighborhood = new ExtendedBlock[DIAMETER * DIAMETER * DIAMETER];
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init();
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}
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@Override
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public T set(int x, int y, int z) {
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return copy(getBlock(x, y, z));
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}
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@Override
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public T set(World world, int x, int y, int z) {
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if (getWorld() == world)
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return copy(getBlock(x, y, z));
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else
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return super.set(world, x, y, z);
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}
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@Override
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protected void reset() {
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super.reset();
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this.thisIndex = -1;
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}
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private void init() {
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this.thisIndex = -1;
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for (int i = 0; i < neighborhood.length; i++) {
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neighborhood[i] = new ExtendedBlock<>(this.getResourcePack(), this.getRenderSettings(), null, 0, 0, 0);
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}
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}
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public ExtendedBlock<?> getNeighborBlock(int dx, int dy, int dz) {
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return getBlock(
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getX() + dx,
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getY() + dy,
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getZ() + dz
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);
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}
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private ExtendedBlock<?> getBlock(int x, int y, int z) {
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int i = index(x, y, z);
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if (i == thisIndex()) return this;
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return neighborhood[i].set(getWorld(), x, y, z);
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}
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private int thisIndex() {
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if (thisIndex == -1) thisIndex = index(getX(), getY(), getZ());
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return thisIndex;
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}
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private int index(int x, int y, int z) {
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return (x & DIAMETER_MASK) * DIAMETER_SQUARED +
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(y & DIAMETER_MASK) * DIAMETER +
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(z & DIAMETER_MASK);
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}
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}
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