BlueMap/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/world/WorldChunk.java

86 lines
3.1 KiB
Java

/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.bluecolored.bluemap.core.world;
import com.flowpowered.math.vector.Vector3i;
import de.bluecolored.bluemap.core.util.AABB;
/**
* Represents a chunk of a world.<br>
* <br>
* <i>The implementation of this class has to be thread-save!</i><br>
*/
public interface WorldChunk {
/**
* Returns the top-level World of this WorldChunk,
* If this WorldChunk is already a World, the method returns the same instance (<code>return this;</code>).
*/
World getWorld();
/**
* Returns the Block on the specified position.<br>
* <br>
* <i>(The implementation should not invoke the generation of new Terrain, it should rather throw a {@link ChunkNotGeneratedException} if a not generated block is requested)</i><br>
*/
Block getBlock(Vector3i pos) throws ChunkNotGeneratedException;
/**
* Returns the Block on the specified position.<br>
* <br>
* <i>(The implementation should not invoke the generation of new Terrain, it should rather throw a {@link ChunkNotGeneratedException} if a not generated block is requested)</i><br>
*/
default Block getBlock(int x, int y, int z) throws ChunkNotGeneratedException {
return getBlock(new Vector3i(x, y, z));
}
/**
* Returns true if this WorldChunk contains the given position.
*/
default boolean containsBlock(Vector3i pos){
return getBoundaries().contains(pos);
}
/**
* Returns the boundaries of the WorldChunk.<br>
*/
AABB getBoundaries();
/**
* Returns a smaller part of this WorldChunk<br>
* <br>
* This is used to give the implementation an easy way to optimize thread-save access to this world-chunk.<br>
* The {@link #getBlock} method is and should be used in favour to {@link World#getBlock}.<br>
*/
WorldChunk getWorldChunk(AABB boundaries);
/**
* Returns true if the complete WorldChunk is generated and populated by Minecraft.<br>
*/
boolean isGenerated();
}