131 lines
3.4 KiB
Java
131 lines
3.4 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;
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import com.flowpowered.math.vector.Vector3i;
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/**
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* This class wraps another Block to cache all getters.<br>
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* The implementation <b>can</b> use this to make sure all underlying getters are only called once and cached-data is used on the second call.
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*/
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public class CachedBlock extends Block {
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private Block block;
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private BlockState state;
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private World world;
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private Vector3i position;
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private double sunLight, blockLight;
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private String biome;
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private boolean isCullingCached;
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private boolean isCulling;
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private boolean isOccludingCached;
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private boolean isOccluding;
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private CachedBlock(Block block) {
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this.block = block;
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this.state = null;
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this.world = null;
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this.position = null;
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this.sunLight = -1;
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this.blockLight = -1;
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this.isCullingCached = false;
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this.isCulling = false;
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this.isOccludingCached = false;
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this.isOccluding = false;
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}
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@Override
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public BlockState getBlock() {
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if (state == null) state = block.getBlock();
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return state;
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}
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@Override
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public World getWorld() {
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if (world == null) world = block.getWorld();
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return world;
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}
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@Override
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public Vector3i getPosition() {
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if (position == null) position = block.getPosition();
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return position;
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}
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@Override
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public double getSunLightLevel() {
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if (sunLight == -1) sunLight = block.getSunLightLevel();
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return sunLight;
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}
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@Override
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public double getBlockLightLevel() {
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if (blockLight == -1) blockLight = block.getBlockLightLevel();
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return blockLight;
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}
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@Override
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public boolean isCullingNeighborFaces() {
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if (!isCullingCached){
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isCulling = block.isCullingNeighborFaces();
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isCullingCached = true;
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}
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return isCulling;
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}
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@Override
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public boolean isOccludingNeighborFaces() {
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if (!isOccludingCached){
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isOccluding = block.isOccludingNeighborFaces();
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isOccludingCached = true;
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}
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return isOccluding;
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}
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@Override
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public String getBiome() {
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if (biome == null){
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biome = block.getBiome();
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}
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return biome;
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}
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public static CachedBlock of(Block block){
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if (block instanceof CachedBlock) return (CachedBlock) block;
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return new CachedBlock(block);
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}
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}
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