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91 changes: 91 additions & 0 deletions
91
src/main/java/com/Hileb/teampotato.redirectionor/RedirectionorCrashTransformer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package com.Hileb.teampotato.redirectionor; | ||
|
|
||
| import net.minecraft.launchwrapper.IClassTransformer; | ||
| import net.minecraft.launchwrapper.Launch; | ||
| import net.minecraft.launchwrapper.LaunchClassLoader; | ||
| import org.objectweb.asm.ClassReader; | ||
| import org.objectweb.asm.ClassWriter; | ||
| import org.objectweb.asm.Opcodes; | ||
| import org.objectweb.asm.tree.ClassNode; | ||
| import org.objectweb.asm.tree.InsnList; | ||
| import org.objectweb.asm.tree.MethodInsnNode; | ||
| import org.objectweb.asm.tree.MethodNode; | ||
| import org.objectweb.asm.tree.VarInsnNode; | ||
|
|
||
| /** | ||
| * @Project Redirectionor | ||
| * @Author Hileb | ||
| * @Date 2024/9/8 22:32 | ||
| **/ | ||
| public class RedirectionorCrashTransformer implements IClassTransformer { | ||
| @Override | ||
| public byte[] transform(String name, String transformedName, byte[] basicClass) { | ||
| if ("net.minecraftforge.fml.common.FMLCommonHandler".equals(transformedName)){ | ||
| ClassReader classReader = new ClassReader(basicClass); | ||
| ClassNode cn = new ClassNode(); | ||
| classReader.accept(cn, 0); | ||
| for(MethodNode methodNode : cn.methods){ | ||
| if ("enhanceCrashReport".equals(methodNode.name)){ // The FML hook never changed it's name | ||
| InsnList hook = new InsnList(); | ||
| hook.add(new VarInsnNode(Opcodes.ALOAD, 1)); | ||
| hook.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "com/Hileb/teampotato/redirectionor/RedirectionorConfig$CrashHandler", "handleCrash", "(Lnet/minecraft/crash/CrashReport;)V", false)); | ||
| methodNode.instructions.insert(hook); | ||
| return new LaunchClassWriter(classReader, ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES).toByteArray(); | ||
| } | ||
| } | ||
| } | ||
| return basicClass; | ||
| } | ||
|
|
||
| //Fix the crash of calling getCommonSuperClass | ||
| //Usually, the crash from the obfuscated environment | ||
| public static class LaunchClassWriter extends ClassWriter{ | ||
|
|
||
| public LaunchClassWriter(ClassReader classReader, int flags) { | ||
| super(classReader, flags); | ||
| } | ||
|
|
||
| @Override | ||
| protected String getCommonSuperClass(String type1, String type2) { | ||
| return getCommonSuperClass0(type1, type2); | ||
| } | ||
|
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| public static String getCommonSuperClass0(final String type1, final String type2) { | ||
| ClassLoader classLoader = LaunchClassLoader.class.getClassLoader(); | ||
| Class<?> class1; | ||
| try { | ||
| class1 = Class.forName(type1.replace('/', '.'), false, classLoader); | ||
| } catch (ClassNotFoundException e) { | ||
| try { | ||
| class1 = Class.forName(type1.replace('/', '.'), false, Launch.classLoader); | ||
| } catch (ClassNotFoundException e1) { | ||
| throw new TypeNotPresentException(type1, e1); | ||
| } | ||
| } | ||
| Class<?> class2; | ||
| try { | ||
| class2 = Class.forName(type2.replace('/', '.'), false, classLoader); | ||
| } catch (ClassNotFoundException e) { | ||
| try { | ||
| class2 = Class.forName(type2.replace('/', '.'), false, Launch.classLoader); | ||
| } catch (ClassNotFoundException e2) { | ||
| throw new TypeNotPresentException(type2, e2); | ||
| } | ||
| } | ||
| if (class1.isAssignableFrom(class2)) { | ||
| return type1; | ||
| } | ||
| if (class2.isAssignableFrom(class1)) { | ||
| return type2; | ||
| } | ||
| if (class1.isInterface() || class2.isInterface()) { | ||
| return "java/lang/Object"; | ||
| } else { | ||
| do { | ||
| class1 = class1.getSuperclass(); | ||
| } while (!class1.isAssignableFrom(class2)); | ||
| return class1.getName().replace('.', '/'); | ||
| } | ||
| } | ||
| } | ||
| } |