net.malisis.core.asm.CustomClassWriter Maven / Gradle / Ivy

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MalisisCore is a framework dedicated to simplify many processes required during a mod development.

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package net.malisis.core.asm;

import java.net.URLClassLoader;

import org.objectweb.asm.ClassWriter;

import net.minecraft.launchwrapper.Launch;
import net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper;

public class CustomClassWriter extends ClassWriter
{
	public static URLClassLoader customClassLoader = new URLClassLoader(((URLClassLoader) Launch.classLoader.getClass()
																											.getClassLoader()).getURLs());

	public CustomClassWriter(int flags)
	{
		super(flags);
	}

	@Override
	protected String getCommonSuperClass(String type1, String type2)
	{
		type1 = FMLDeobfuscatingRemapper.INSTANCE.unmap(type1);
		type2 = FMLDeobfuscatingRemapper.INSTANCE.unmap(type2);

		if (type1.equals("java/lang/Object") || type2.equals("java/lang/Object"))
		{
			return "java/lang/Object";
		}

		Class c, d;
		ClassLoader classLoader = customClassLoader;
		try
		{
			c = Class.forName(type1.replace('/', '.'), false, classLoader);
			d = Class.forName(type2.replace('/', '.'), false, classLoader);
		}
		catch (Exception e)
		{
			throw new RuntimeException(e.toString());
		}
		if (c.isAssignableFrom(d))
		{
			return type1;
		}
		if (d.isAssignableFrom(c))
		{
			return type2;
		}
		if (c.isInterface() || d.isInterface())
		{
			return "java/lang/Object";
		}
		else
		{
			do
			{
				c = c.getSuperclass();
			}
			while (!c.isAssignableFrom(d));

			String result = FMLDeobfuscatingRemapper.INSTANCE.map(c.getName().replace('.', '/'));

			return result;
		}
	}
}