public static MethodInfo GetIterator <T>(string method)
{
return(AccessTools.FirstInner(typeof(T), t => t.Name.StartsWith($"<{method}"))?.GetMethod("MoveNext", BindingFlags.NonPublic | BindingFlags.Instance));
}
static IEnumerable <CodeInstruction> Transpiler_TryFindBestBillIngredients(IEnumerable <CodeInstruction> instructions)
{
Type workGiverType = typeof(WorkGiver_DoBill);
FieldInfo RegionProcessorSubtitutionSingleton = AccessTools.Field(typeof(RegionProcessorSubtitution), nameof(RegionProcessorSubtitution.singleton));
var LdvirtftnMethodBase = AccessTools.Method(typeof(RegionProcessorSubtitution), "RegionProcessor");
var RegionProcessorType = AccessTools.TypeByName("RegionProcessor"); // hidden type
var RegionProcessorPointerCtor = AccessTools.Constructor(RegionProcessorType, new Type[] { typeof(object), typeof(IntPtr) });
//does nameof() can make an error? IDK
MethodInfo FetchLocalFields = AccessTools.Method(typeof(RegionProcessorSubtitution), RegionProcessorSubtitution.FetchLocalFieldsMethodName);
MethodInfo FetchStaticFields = AccessTools.Method(typeof(RegionProcessorSubtitution), RegionProcessorSubtitution.FetchStaticFieldsMethodName);
MethodInfo UpdateData = AccessTools.Method(typeof(RegionProcessorSubtitution), RegionProcessorSubtitution.UpdateDataName);
//h = hidden type
var c__AnonStorey1 = AccessTools.FirstInner(workGiverType, type => type.Name.Contains("AnonStorey1"));
var h_adjacentRegionsAvailable = AccessTools.Field(c__AnonStorey1, "adjacentRegionsAvailable");
var h_pawn = AccessTools.Field(c__AnonStorey1, "pawn");
var h_regionsProcessed = AccessTools.Field(c__AnonStorey1, "regionsProcessed");
var h_rootCell = AccessTools.Field(c__AnonStorey1, "rootCell");
var h_foundAll = AccessTools.Field(c__AnonStorey1, "foundAll");
var h_bill = AccessTools.Field(c__AnonStorey1, "bill");
var h_billGiver = AccessTools.Field(c__AnonStorey1, "billGiver");
var h_chosen = AccessTools.Field(c__AnonStorey1, "chosen");
//sf = static field
var sf_chosenIngThings = AccessTools.Field(workGiverType, "chosenIngThings");
var sf_relevantThings = AccessTools.Field(workGiverType, "relevantThings");
var sf_processedThings = AccessTools.Field(workGiverType, "processedThings");
var sf_newRelevantThings = AccessTools.Field(workGiverType, "newRelevantThings");
var sf_ingredientsOrdered = AccessTools.Field(workGiverType, "ingredientsOrdered");
List <CodeInstruction> insts = instructions.ToList();
int instsLength = insts.Count;
for (int i = 0; i < instsLength; i++)
{
var inst = insts[i];
#region data field fetcher patch section
bool is_IL_01A6 = i > 0 && i < instsLength - 1 && inst.opcode == OpCodes.Ldloc_0 && insts[i + 1].opcode == OpCodes.Ldftn && insts[i - 1].opcode == OpCodes.Call;
if (is_IL_01A6)
{ // entering IL_01A6 ldloc.0, line 1870
#region local data field fetcher section
yield return(new CodeInstruction(OpCodes.Ldsfld, RegionProcessorSubtitutionSingleton));
//prepare for Fetchdata method parameters
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldfld, h_adjacentRegionsAvailable)); // index 0
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldfld, h_regionsProcessed)); // index 1
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldfld, h_rootCell)); // index 2
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldfld, h_bill)); // index 3
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldfld, h_pawn)); // index 4
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldfld, h_billGiver)); // index 5
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldfld, h_chosen)); // index 6
yield return(new CodeInstruction(OpCodes.Ldc_I4_0)); // index 7
yield return(new CodeInstruction(OpCodes.Callvirt, FetchLocalFields));
#endregion
#region static data field fetcher section
yield return(new CodeInstruction(OpCodes.Ldsfld, RegionProcessorSubtitutionSingleton));
//prepare for FetchStaticFields parameters
yield return(new CodeInstruction(OpCodes.Ldsfld, sf_chosenIngThings));
yield return(new CodeInstruction(OpCodes.Ldsfld, sf_relevantThings));
yield return(new CodeInstruction(OpCodes.Ldsfld, sf_processedThings));
yield return(new CodeInstruction(OpCodes.Ldsfld, sf_newRelevantThings));
yield return(new CodeInstruction(OpCodes.Ldsfld, sf_ingredientsOrdered));
yield return(new CodeInstruction(OpCodes.Callvirt, FetchStaticFields));
#endregion
#region Creating new RegionProcessor
yield return(new CodeInstruction(OpCodes.Ldsfld, RegionProcessorSubtitutionSingleton));
yield return(new CodeInstruction(OpCodes.Dup));
yield return(new CodeInstruction(OpCodes.Ldvirtftn, LdvirtftnMethodBase));
yield return(new CodeInstruction(OpCodes.Newobj, RegionProcessorPointerCtor));
#endregion
i += 2; // jump to IL_01AD, newobj, line 1873
continue; // next line is IL_01B2, stloc.1, line 1873
}
#endregion
if (inst.opcode == OpCodes.Call && inst.operand != null && inst.operand.ToString().Contains("BreadthFirstTraverse"))
{ // entering IL_01C6 call, line 1881
yield return(inst);
yield return(new CodeInstruction(OpCodes.Ldsfld, RegionProcessorSubtitutionSingleton));
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldflda, h_bill)); // index 3
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldflda, h_pawn)); // index 4
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldflda, h_billGiver)); // index 5
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldflda, h_chosen)); // index 6
yield return(new CodeInstruction(OpCodes.Ldloc_0));
yield return(new CodeInstruction(OpCodes.Ldflda, h_foundAll));
yield return(new CodeInstruction(OpCodes.Callvirt, UpdateData));
continue;
}
yield return(inst);
}
}
public static MethodBase TargetMethod()
{
return(AccessTools.FirstInner(typeof(Corpse), t => t.HasAttribute <CompilerGeneratedAttribute>() && t.Name.Contains(nameof(Corpse.ButcherProducts))).GetMethod(nameof(IEnumerator.MoveNext), BindingFlags.NonPublic | BindingFlags.Instance));
}
