BlueMap/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/world/mca/region/RegionType.java

103 lines
3.9 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.mca.region;
import de.bluecolored.bluemap.core.world.Region;
import de.bluecolored.bluemap.core.world.mca.MCAWorld;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.nio.file.Files;
import java.nio.file.Path;
public enum RegionType {
MCA (MCARegion::new, MCARegion.FILE_SUFFIX, MCARegion::getRegionFileName),
LINEAR (LinearRegion::new, LinearRegion.FILE_SUFFIX, LinearRegion::getRegionFileName);
// we do this to improve performance, as calling values() creates a new array each time
private final static RegionType[] VALUES = values();
private final static RegionType DEFAULT = MCA;
private final String fileSuffix;
private final RegionFactory regionFactory;
private final RegionFileNameFunction regionFileNameFunction;
RegionType(RegionFactory regionFactory, String fileSuffix, RegionFileNameFunction regionFileNameFunction) {
this.fileSuffix = fileSuffix;
this.regionFactory = regionFactory;
this.regionFileNameFunction = regionFileNameFunction;
}
public String getFileSuffix() {
return fileSuffix;
}
public Region createRegion(MCAWorld world, Path regionFile) {
return this.regionFactory.create(world, regionFile);
}
public String getRegionFileName(int regionX, int regionZ) {
return regionFileNameFunction.getRegionFileName(regionX, regionZ);
}
public Path getRegionFile(Path regionFolder, int regionX, int regionZ) {
return regionFolder.resolve(getRegionFileName(regionX, regionZ));
}
@Nullable
public static RegionType forFileName(String fileName) {
//noinspection ForLoopReplaceableByForEach
for (int i = 0; i < VALUES.length; i++) {
RegionType regionType = VALUES[i];
if (fileName.endsWith(regionType.fileSuffix))
return regionType;
}
return null;
}
@NotNull
public static Region loadRegion(MCAWorld world, Path regionFolder, int regionX, int regionZ) {
//noinspection ForLoopReplaceableByForEach
for (int i = 0; i < VALUES.length; i++) {
RegionType regionType = VALUES[i];
Path regionFile = regionType.getRegionFile(regionFolder, regionX, regionZ);
if (Files.exists(regionFile)) return regionType.createRegion(world, regionFile);
}
return DEFAULT.createRegion(world, DEFAULT.getRegionFile(regionFolder, regionX, regionZ));
}
@FunctionalInterface
interface RegionFactory {
Region create(MCAWorld world, Path regionFile);
}
@FunctionalInterface
interface RegionFileNameFunction {
String getRegionFileName(int regionX, int regionZ);
}
}