Update client checksum in the giant try/catch block in the loader

Signed-off-by: Graham <gpe@openrs2.org>
Graham 3 years ago
parent 0781e23874
commit b2f9bd6ded
  1. 15
      patcher/src/main/kotlin/org/openrs2/patcher/transform/ResourceTransformer.kt

@ -10,6 +10,7 @@ import org.objectweb.asm.tree.LdcInsnNode
import org.objectweb.asm.tree.MethodInsnNode
import org.objectweb.asm.tree.MethodNode
import org.objectweb.asm.tree.TypeInsnNode
import org.objectweb.asm.tree.VarInsnNode
import org.openrs2.asm.InsnMatcher
import org.openrs2.asm.classpath.ClassPath
import org.openrs2.asm.classpath.Library
@ -52,6 +53,17 @@ public class ResourceTransformer(
method.instructions.set(match[28 + 4 * j], byte.toInt().toAbstractInsnNode())
}
}
val checksumMatch = CLIENT_CHECKSUM_MATCHER.match(method).filter { m ->
val astore = m[0] as VarInsnNode
val aload = m[3] as VarInsnNode
val instanceof = m[4] as TypeInsnNode
astore.`var` == aload.`var` && instanceof.desc == "java/lang/reflect/InvocationTargetException"
}.singleOrNull()
if (checksumMatch != null) {
val client = resources.single { it.source == "runescape.js5" || it.source == "runescape_gl.js5" }
method.instructions.set(checksumMatch[1], client.checksum.toAbstractInsnNode())
}
}
val match = GL_RESOURCES_MATCHER.match(method).singleOrNull()
@ -212,6 +224,9 @@ public class ResourceTransformer(
"""
)
private val MISC_RESOURCES_MATCHER = InsnMatcher.compile("$RESOURCE_ARRAY_CONSTRUCTOR PUTSTATIC")
private val CLIENT_CHECKSUM_MATCHER = InsnMatcher.compile(
"ASTORE (ICONST | BIPUSH | SIPUSH | LDC) PUTSTATIC ALOAD INSTANCEOF"
)
private val GL_LOADING_MESSAGES = listOf(
"Loading 3D library",

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