Remove macOS-specific resize logic from the client

Our custom jaggl natives update the OpenGL context upon resizing, unlike the
original natives.
pull/48/head
Graham 5 years ago
parent e1d24ec065
commit 49a4cb3084
  1. 68
      bundler/src/main/java/dev/openrs2/bundler/transform/MacResizeTransformer.java
  2. 2
      deob/src/main/java/dev/openrs2/deob/Deobfuscator.java

@ -0,0 +1,68 @@
package dev.openrs2.bundler.transform;
import dev.openrs2.asm.InsnMatcher;
import dev.openrs2.asm.classpath.ClassPath;
import dev.openrs2.asm.classpath.Library;
import dev.openrs2.asm.transform.Transformer;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.FieldInsnNode;
import org.objectweb.asm.tree.JumpInsnNode;
import org.objectweb.asm.tree.LdcInsnNode;
import org.objectweb.asm.tree.MethodInsnNode;
import org.objectweb.asm.tree.MethodNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class MacResizeTransformer extends Transformer {
private static final Logger logger = LoggerFactory.getLogger(MacResizeTransformer.class);
private static final InsnMatcher DETECT_MAC_MATCHER = InsnMatcher.compile("GETSTATIC LDC INVOKEVIRTUAL (IFEQ | IFNE)");
private int branchesRemoved;
@Override
protected void preTransform(ClassPath classPath) {
branchesRemoved = 0;
}
@Override
protected boolean transformCode(ClassPath classPath, Library library, ClassNode clazz, MethodNode method) {
DETECT_MAC_MATCHER.match(method).forEach(match -> {
var getstatic = (FieldInsnNode) match.get(0);
if (getstatic.owner.equals("loader") || getstatic.owner.equals(clazz.name) || !getstatic.desc.equals("Ljava/lang/String;")) {
return;
}
var ldc = (LdcInsnNode) match.get(1);
if (!ldc.cst.equals("mac")) {
return;
}
var invokevirtual = (MethodInsnNode) match.get(2);
if (!invokevirtual.owner.equals("java/lang/String") || !invokevirtual.name.equals("startsWith") || !invokevirtual.desc.equals("(Ljava/lang/String;)Z")) {
return;
}
method.instructions.remove(getstatic);
method.instructions.remove(ldc);
method.instructions.remove(invokevirtual);
var branch = (JumpInsnNode) match.get(3);
if (branch.getOpcode() == Opcodes.IFEQ) {
branch.setOpcode(Opcodes.GOTO);
} else {
method.instructions.remove(branch);
}
branchesRemoved++;
});
return false;
}
@Override
protected void postTransform(ClassPath classPath) {
logger.info("Removed {} branches to macOS-specific resize logic", branchesRemoved);
}
}

@ -11,6 +11,7 @@ import dev.openrs2.asm.classpath.Library;
import dev.openrs2.asm.transform.Transformer;
import dev.openrs2.bundler.transform.CachePathTransformer;
import dev.openrs2.bundler.transform.HostCheckTransformer;
import dev.openrs2.bundler.transform.MacResizeTransformer;
import dev.openrs2.bundler.transform.RightClickTransformer;
import dev.openrs2.deob.remap.PrefixRemapper;
import dev.openrs2.deob.transform.BitShiftTransformer;
@ -36,6 +37,7 @@ public final class Deobfuscator {
new OriginalNameTransformer(),
new CachePathTransformer(),
new HostCheckTransformer(),
new MacResizeTransformer(),
new RightClickTransformer(),
new OpaquePredicateTransformer(),
new ExceptionTracingTransformer(),

Loading…
Cancel
Save