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Add world info page (#1620)

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This commit is contained in:
Glavo
2022-08-08 16:56:03 +08:00
committed by GitHub
parent c627ca96c9
commit 38d71fd6bb
9 changed files with 757 additions and 12 deletions
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33
HMCLCore/src/main/java/org/jackhuang/hmcl/game/World.java
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@@ -28,7 +28,6 @@ import org.jackhuang.hmcl.util.io.FileUtils;
import org.jackhuang.hmcl.util.io.Unzipper;
import org.jackhuang.hmcl.util.io.Zipper;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
@@ -77,6 +76,10 @@ public class World {
return worldName;
}
public Path getLevelDatFile() {
return file.resolve("level.dat");
}
public long getLastPlayed() {
return lastPlayed;
}
@@ -142,14 +145,10 @@ public class World {
throw new IOException("Not a valid world directory");
// Change the name recorded in level.dat
Path levelDat = file.resolve("level.dat");
CompoundTag nbt = parseLevelDat(levelDat);
CompoundTag nbt = readLevelDat();
CompoundTag data = nbt.get("Data");
data.put(new StringTag("LevelName", newName));
try (OutputStream os = new GZIPOutputStream(Files.newOutputStream(levelDat))) {
NBTIO.writeTag(os, nbt);
}
writeLevelDat(nbt);
// then change the folder's name
Files.move(file, file.resolveSibling(newName));
@@ -203,8 +202,26 @@ public class World {
}
}
public CompoundTag readLevelDat() throws IOException {
if (!Files.isDirectory(file))
throw new IOException("Not a valid world directory");
return parseLevelDat(getLevelDatFile());
}
public void writeLevelDat(CompoundTag nbt) throws IOException {
if (!Files.isDirectory(file))
throw new IOException("Not a valid world directory");
FileUtils.saveSafely(getLevelDatFile(), os -> {
try (OutputStream gos = new GZIPOutputStream(os)) {
NBTIO.writeTag(gos, nbt);
}
});
}
private static CompoundTag parseLevelDat(Path path) throws IOException {
try (InputStream is = new BufferedInputStream(new GZIPInputStream(Files.newInputStream(path)))) {
try (InputStream is = new GZIPInputStream(Files.newInputStream(path))) {
Tag nbt = NBTIO.readTag(is);
if (nbt instanceof CompoundTag)
return (CompoundTag) nbt;

9
HMCLCore/src/main/java/org/jackhuang/hmcl/util/Lang.java
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@@ -235,6 +235,15 @@ public final class Lang {
}
}
public static Double toDoubleOrNull(Object string) {
try {
if (string == null) return null;
return Double.parseDouble(string.toString());
} catch (NumberFormatException e) {
return null;
}
}
/**
* Find the first non-null reference in given list.
* @param t nullable references list.

23
HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/FileUtils.java
View File

@@ -19,11 +19,9 @@ package org.jackhuang.hmcl.util.io;
import org.jackhuang.hmcl.util.Lang;
import org.jackhuang.hmcl.util.StringUtils;
import org.jackhuang.hmcl.util.function.ExceptionalConsumer;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.*;
import java.lang.reflect.Method;
import java.nio.charset.Charset;
import java.nio.file.*;
@@ -445,4 +443,21 @@ public final class FileUtils {
Files.move(tmpFile, file, StandardCopyOption.REPLACE_EXISTING);
}
public static void saveSafely(Path file, ExceptionalConsumer<? super OutputStream, IOException> action) throws IOException {
Path tmpFile = tmpSaveFile(file);
try (OutputStream os = Files.newOutputStream(tmpFile, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.CREATE)) {
action.accept(os);
}
try {
if (Files.exists(file) && Files.getAttribute(file, "dos:hidden") == Boolean.TRUE) {
Files.setAttribute(tmpFile, "dos:hidden", true);
}
} catch (Throwable ignored) {
}
Files.move(tmpFile, file, StandardCopyOption.REPLACE_EXISTING);
}
}