static void Postfix(ref string __result)
{
int ct = 0;
while (Patch_Cache.UsedRuinsNames.Contains(__result))
{
if (ct++ > 10)
{
//In practice, I've never seen this take more than 2 attempts, but adding a short circuit just in case.
XRLCore.Log("QudUX: (Warning) Failed to find a suitable name for Ruins location after >10 attempts. Allowing duplicate name: " + __result);
break;
}
__result = Egcb_JournalUtilities.GenerateName();
}
Patch_Cache.UsedRuinsNames.Add(__result);
//XRLCore.Log("NameRuinsSite result: " + __result);
}
static IEnumerable <CodeInstruction> Transpiler(IEnumerable <CodeInstruction> instructions)
{
//QudHistoryFactory.NameRuinsSite takes Stat.Random(0, 80) and then if the value is not less than
//60, it returns "some forgotten ruins" as the name of a ruins site. To patch this function, we
//will find the "Stat.Random(0, 80)" code, and replace it with "Stat.Random(0, 59)" which will
//ensure that "some forgotten ruins" is never returned from the function.
//Specifically, we need to find and overwrite the following sequence of IL instructions
// IL_0321: ldc.i4.0
// IL_0322: ldc.i4.s 80
// IL_0324: call int32 XRL.Rules.Stat::Random(int32, int32)
var ins = new List <CodeInstruction>(instructions);
for (var i = 0; i < ins.Count; i++)
{
if (ins[i].opcode == OpCodes.Ldc_I4_0 && (i + 2) < ins.Count)
{
if (ins[i + 1].opcode == OpCodes.Ldc_I4_S && Convert.ToInt32(ins[i + 1].operand) == 80)
{
if (ins[i + 2].opcode == OpCodes.Call)
{
MethodInfo callMethodInfo = (MethodInfo)(ins[i + 2].operand);
if (callMethodInfo.MetadataToken == Method_StatRandom.MetadataToken)
{
//XRLCore.Log("QudUX: Patched QudHistoryFactory to remove \"some forgotten ruins\" as a naming option.");
//We have found our target triplet of IL instructions
ins[i + 1].operand = 59; //make the modification
return(ins.AsEnumerable()); //return the modified instructions
}
}
}
}
}
XRLCore.Log("QudUX: (Warning) Failed to patch QudHistoryFactory; \"some forgotten ruins\" may still be used to name locations.");
return(ins.AsEnumerable());
}
