80 lines
2.6 KiB
Java
80 lines
2.6 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.render.context;
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import com.flowpowered.math.vector.Vector3i;
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import de.bluecolored.bluemap.core.world.Block;
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import de.bluecolored.bluemap.core.world.ChunkNotGeneratedException;
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import de.bluecolored.bluemap.core.world.WorldChunk;
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public class WorldChunkBlockContext implements ExtendedBlockContext {
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private Vector3i blockPos;
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private WorldChunk chunk;
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/**
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* A BlockContext backed by a WorldChunk.
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*
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* This Context assumes that the world-chunk is generated around that block-position.
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* If the given world chunk is not generated, using this context will result in a RuntimeException!
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*/
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public WorldChunkBlockContext(WorldChunk worldChunk, Vector3i blockPos) {
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this.blockPos = blockPos;
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this.chunk = worldChunk;
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}
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@Override
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public Vector3i getPosition() {
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return blockPos;
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}
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@Override
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public Block getRelativeBlock(int x, int y, int z) {
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Vector3i pos = blockPos.add(x, y, z);
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return getBlock(pos);
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}
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@Override
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public Block getRelativeBlock(Vector3i direction) {
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Vector3i pos = blockPos.add(direction);
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return getBlock(pos);
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}
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protected Block getBlock(Vector3i position) {
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if (!chunk.containsBlock(position)) {
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return EmptyBlockContext.AIR_BLOCK;
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}
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try {
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return chunk.getBlock(position);
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} catch (ChunkNotGeneratedException e) {
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//we assume the chunk being generated
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throw new RuntimeException(e);
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}
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}
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}
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