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package cc.polyfrost.oneconfig.internal.plugin;
import cc.polyfrost.oneconfig.internal.init.OneConfigInit;
import cc.polyfrost.oneconfig.internal.plugin.asm.ClassTransformer;
import net.minecraft.launchwrapper.ITweaker;
import net.minecraft.launchwrapper.Launch;
import net.minecraft.launchwrapper.LaunchClassLoader;
import net.minecraftforge.fml.relauncher.CoreModManager;
import org.spongepowered.asm.launch.MixinBootstrap;
import org.spongepowered.asm.launch.MixinTweaker;
import java.io.File;
import java.lang.reflect.Field;
import java.net.URI;
import java.net.URL;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
public class OneConfigTweaker implements ITweaker {
public OneConfigTweaker() {
doMagicMixinStuff();
}
private void doMagicMixinStuff() {
for (URL url : Launch.classLoader.getSources()) {
try {
URI uri = url.toURI();
if (Objects.equals(uri.getScheme(), "file")) {
File file = new File(uri);
if (file.exists() && file.isFile()) {
JarFile jarFile = new JarFile(file);
if (jarFile.getManifest() != null) {
Attributes attributes = jarFile.getManifest().getMainAttributes();
String tweakerClass = attributes.getValue("TweakClass");
if (Objects.equals(tweakerClass, "cc.polyfrost.oneconfigwrapper.OneConfigWrapper")) {
String mixinConfig = attributes.getValue("MixinConfigs");
CoreModManager.getIgnoredMods().remove(file.getName());
CoreModManager.getReparseableCoremods().add(file.getName());
if (mixinConfig != null) {
try {
try {
List<String> tweakClasses = (List<String>) Launch.blackboard.get("TweakClasses"); // tweak classes before other mod trolling
if (tweakClasses.contains("org.spongepowered.asm.launch.MixinTweaker")) { // if there's already a mixin tweaker, we'll just load it like "usual"
new MixinTweaker(); // also we might not need to make a new mixin tweawker all the time but im just making sure
} else if (!Launch.blackboard.containsKey("mixin.initialised")) { // if there isnt, we do our own trolling
List<ITweaker> tweaks = (List<ITweaker>) Launch.blackboard.get("Tweaks");
tweaks.add(new MixinTweaker());
}
} catch (Exception ignored) {
// if it fails i *think* we can just ignore it
}
MixinBootstrap.getPlatform().addContainer(uri);
} catch (Exception ignored) {
}
}
}
}
}
}
} catch (Exception ignored) {
}
}
}
@Override
public void acceptOptions(List<String> args, File gameDir, File assetsDir, String profile) {
}
@Override
public void injectIntoClassLoader(LaunchClassLoader classLoader) {
removeLWJGLException();
Launch.classLoader.registerTransformer(ClassTransformer.class.getName());
}
/**
* Taken from LWJGLTwoPointFive under The Unlicense
* <a href="https://github.com/DJtheRedstoner/LWJGLTwoPointFive/blob/master/LICENSE/">https://github.com/DJtheRedstoner/LWJGLTwoPointFive/blob/master/LICENSE/</a>
*/
private void removeLWJGLException() {
try {
Field f_exceptions = LaunchClassLoader.class.getDeclaredField("classLoaderExceptions");
f_exceptions.setAccessible(true);
Set<String> exceptions = (Set<String>) f_exceptions.get(Launch.classLoader);
exceptions.remove("org.lwjgl.");
OneConfigInit.initialize(new String[]{});
Launch.blackboard.put("oneconfig.init.initialized", true);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public String getLaunchTarget() {
return null;
}
@Override
public String[] getLaunchArguments() {
return new String[0];
}
}
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