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Fixed unrecognizing Optifine jar file

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huanghongxun
2019-08-18 10:27:12 +08:00
parent ad16bbc96d
commit 71c0cede24
1 changed files with 4 additions and 1 deletions
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5
HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java
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@@ -186,7 +186,10 @@ public final class OptiFineInstallTask extends Task<Version> {
Optional<String> gameVersion = GameVersion.minecraftVersion(jar);
if (!gameVersion.isPresent()) throw new IOException();
try (FileSystem fs = CompressingUtils.createReadOnlyZipFileSystem(installer)) {
ConstantPool pool = ConstantPoolScanner.parse(Files.readAllBytes(fs.getPath("Config.class")), ConstantType.UTF8);
Path configClass = fs.getPath("Config.class");
if (!Files.exists(configClass)) configClass = fs.getPath("net/optifine/Config.class");
if (!Files.exists(configClass)) throw new IOException("Unrecognized installer");
ConstantPool pool = ConstantPoolScanner.parse(Files.readAllBytes(configClass), ConstantType.UTF8);
List<String> constants = new ArrayList<>();
pool.list(Utf8Constant.class).forEach(utf8 -> constants.add(utf8.get()));
String mcVersion = getOrDefault(constants, constants.indexOf("MC_VERSION") + 1, null);