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add stage 2 compatibility for FabricLoader subclasses e.g. lunar client #28

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add stage 2 compatibility for FabricLoader subclasses e.g. lunar client #28

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18 changes: 17 additions & 1 deletion stage2/fabric/src/main/java/gg/essential/loader/stage2/EssentialLoader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -347,10 +347,26 @@ private Object createCandidate(Path path, URL url, Object metadata) throws Class
}
}

private Class<?> findFabricLoaderClass(FabricLoader fabricLoader) throws ClassNotFoundException {
Class<?> clazz = fabricLoader.getClass();
while (clazz != null) {
try {
clazz.getDeclaredField("modMap");
clazz.getDeclaredField("mods");
clazz.getDeclaredField("entrypointStorage");
clazz.getDeclaredField("adapterMap");
return clazz;
} catch (NoSuchFieldException ignored) {
clazz = clazz.getSuperclass();
}
}
throw new ClassNotFoundException("Could not find the required fields [modMap, mods, entrypointStorage, adapterMap] anywhere in the class hierarchy of FabricLoader.getInstance()");
}

@SuppressWarnings("unchecked")
private void injectFakeMod(final Path path, final URL url, final ModMetadata metadata) throws NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException, ClassNotFoundException, InstantiationException {
FabricLoader fabricLoader = FabricLoader.getInstance();
Class<? extends FabricLoader> fabricLoaderClass = fabricLoader.getClass();
Class<?> fabricLoaderClass = findFabricLoaderClass(fabricLoader);
Class<?> ModContainerImpl;
try {
// fabric-loader 0.12
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