feat: 优化世界管理 #5842
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Member
There was a problem hiding this comment. 我觉得这个类的设计就很奇怪，尤其是 我认为你可以把它改名叫
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Author
There was a problem hiding this comment. 这个不是表达世界信息的类的，而是表达“即将被导入的世界的”，Import：导入，Importable：可导入的，为什么会认为是扩展的意思呢？ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| * Hello Minecraft! Launcher | ||
| * Copyright (C) 2026 huangyuhui <huanghongxun2008@126.com> and contributors | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.jackhuang.hmcl.ui.versions; | ||
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||
| import javafx.scene.image.Image; | ||
| import org.glavo.nbt.io.NBTCodec; | ||
| import org.glavo.nbt.tag.CompoundTag; | ||
| import org.glavo.nbt.tag.LongTag; | ||
| import org.glavo.nbt.tag.StringTag; | ||
| import org.glavo.nbt.tag.TagType; | ||
| import org.jackhuang.hmcl.game.World; | ||
| import org.jackhuang.hmcl.util.io.CompressingUtils; | ||
| import org.jackhuang.hmcl.util.io.FileUtils; | ||
| import org.jackhuang.hmcl.util.io.Unzipper; | ||
| import org.jackhuang.hmcl.util.versioning.GameVersionNumber; | ||
| import org.jetbrains.annotations.Nullable; | ||
|
|
||
| import java.io.IOException; | ||
| import java.nio.file.FileSystem; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.util.List; | ||
| import java.util.stream.Stream; | ||
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||
| /// @author mineDiamond | ||
| public final class ImportableWorld { | ||
| private final Path sourcePath; | ||
| private final String fileName; | ||
| private final boolean isArchive; | ||
| private final boolean hasTopLevelDirectory; | ||
| private String worldName; | ||
| private @Nullable GameVersionNumber gameVersion; | ||
| private @Nullable Image icon; | ||
|
|
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| public ImportableWorld(Path sourcePath) throws IOException { | ||
| if (Files.isRegularFile(sourcePath)) { | ||
| this.sourcePath = sourcePath; | ||
| this.isArchive = true; | ||
|
|
||
| try (FileSystem fs = CompressingUtils.readonly(this.sourcePath).setAutoDetectEncoding(true).build()) { | ||
| Path root; | ||
| if (Files.isRegularFile(fs.getPath("/level.dat"))) { | ||
| root = fs.getPath("/"); | ||
| hasTopLevelDirectory = false; | ||
| fileName = FileUtils.getName(this.sourcePath); | ||
| } else { | ||
| try (Stream<Path> stream = Files.list(fs.getPath("/"))) { | ||
| List<Path> files = stream.toList(); | ||
| if (files.size() != 1 || !Files.isDirectory(files.get(0))) { | ||
| throw new IOException("Not a valid world zip file"); | ||
| } | ||
|
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| root = files.get(0); | ||
| hasTopLevelDirectory = true; | ||
| fileName = FileUtils.getName(root); | ||
| } | ||
| } | ||
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| checkAndLoadLevelData(World.findLevelDatPath(root)); | ||
| this.icon = World.loadIcon(root); | ||
| } | ||
| } else if (Files.isDirectory(sourcePath)) { | ||
| this.sourcePath = sourcePath; | ||
| fileName = FileUtils.getName(this.sourcePath); | ||
| this.isArchive = false; | ||
| this.hasTopLevelDirectory = false; | ||
|
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| checkAndLoadLevelData(World.findLevelDatPath(this.sourcePath)); | ||
| } else { | ||
| throw new IOException("Path " + sourcePath + " cannot be recognized as an archive Minecraft world"); | ||
| } | ||
| } | ||
|
|
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| private void checkAndLoadLevelData(Path levelDatPath) throws IOException { | ||
| CompoundTag levelData = NBTCodec.of().readTag(levelDatPath, TagType.COMPOUND); | ||
| if (!(levelData.get("Data") instanceof CompoundTag data)) | ||
| throw new IOException("level.dat missing Data"); | ||
|
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| if (data.get("LevelName") instanceof StringTag levelNameTag) { | ||
| this.worldName = levelNameTag.getValue(); | ||
| } else { | ||
| throw new IOException("level.dat missing LevelName"); | ||
| } | ||
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| if (data.get("Version") instanceof CompoundTag versionTag && | ||
| versionTag.get("Name") instanceof StringTag nameTag) { | ||
| this.gameVersion = GameVersionNumber.asGameVersion(nameTag.getValue()); | ||
| } | ||
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||
| if (!(data.get("LastPlayed") instanceof LongTag)) | ||
| throw new IOException("level.dat missing LastPlayed"); | ||
| } | ||
|
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| public Path getSourcePath() { | ||
| return sourcePath; | ||
| } | ||
|
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| public String getFileName() { | ||
| return fileName; | ||
| } | ||
|
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| public boolean hasTopLevelDirectory() { | ||
| return hasTopLevelDirectory; | ||
| } | ||
|
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| public String getWorldName() { | ||
| return worldName; | ||
| } | ||
|
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| public @Nullable GameVersionNumber getGameVersion() { | ||
| return gameVersion; | ||
| } | ||
|
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||
| public @Nullable Image getIcon() { | ||
| return icon; | ||
| } | ||
|
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| public void install(Path savesDir, String name) throws IOException { | ||
| Path targetPath = FileUtils.getNonConflictingDirectory(savesDir, FileUtils.getSafeWorldFolderName(name)); | ||
|
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||
| if (isArchive) { | ||
| if (hasTopLevelDirectory) { | ||
| new Unzipper(sourcePath, targetPath).setSubDirectory("/" + fileName + "/").unzip(); | ||
| } else { | ||
| new Unzipper(sourcePath, targetPath).unzip(); | ||
| } | ||
| } else { | ||
| FileUtils.copyDirectory(sourcePath, targetPath, path -> !path.contains("session.lock")); | ||
| } | ||
| new World(targetPath).setWorldName(name); | ||
| } | ||
| } |
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