private static IEnumerable <CodeInstruction> OnEventPatcher(ILGenerator ilg, IEnumerable <CodeInstruction> instructions)
{
if (instructions.Count() != 923)
{
VRCModLogger.Log("[RamExploitPatcher] NetworkingPeer.OnEvent seems to have been modified. Patch disabled to avoid weird bugs.");
return(instructions);
}
CodeInstruction[] newInst = new CodeInstruction[instructions.Count() + 4];
int offset = 0;
bool done = false;
for (int i = 0; i < newInst.Length - 4; i++)
{
CodeInstruction instruction = instructions.ElementAt(i);
//VRCModLogger.Log("[RamExploitPatcher] Instruction " + i + ": " + instruction);
if (instruction.opcode == OpCodes.Ldc_I4_M1 && !done)
{
done = true;
VRCModLogger.Log("[RamExploitPatcher] Injecting instructions to list");
CodeInstruction ci1 = new CodeInstruction(OpCodes.Ldarg_1);
ci1.labels.Add(instruction.labels[0]);
newInst[i + (offset++)] = ci1;
newInst[i + (offset++)] = new CodeInstruction(OpCodes.Callvirt, AccessTools.Method(typeof(RamExploitPatcher), "PhotonOnEvent"));
Label label = ilg.DefineLabel();
newInst[i + (offset++)] = new CodeInstruction(OpCodes.Brtrue_S, label);
instruction.labels.Remove(instruction.labels[0]);
instruction.labels.Add(label);
newInst[i + (offset++)] = new CodeInstruction(OpCodes.Ret);
VRCModLogger.Log("[RamExploitPatcher] Injection done !");
}
newInst[i + offset] = instruction;
}
/*
* VRCModLogger.Log("[RamExploitPatcher] Done. Patched IL:");
* foreach(CodeInstruction instruction in newInst)
* VRCModLogger.Log("[RamExploitPatcher] | " + instruction);
*/
return(newInst.AsEnumerable());
}
