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