static IEnumerable <CodeInstruction> HaulBeforeSupply(IEnumerable <CodeInstruction> _codes, ILGenerator generator)
{
var t = new Transpiler(_codes, MethodBase.GetCurrentMethod());
var nearbyResourcesIdx = t.TryFindCodeIndex(code => code.Calls(AccessTools.Method(typeof(WorkGiver_ConstructDeliverResources), "FindAvailableNearbyResources")));
var foundResIdx = t.TryFindCodeLastIndex(nearbyResourcesIdx, code => code.opcode == OpCodes.Brfalse) + 1;
var foundRes = generator.DefineLabel();
t.codes[foundResIdx].labels.Add(foundRes);
var returnJobIdx = t.TryFindCodeIndex(foundResIdx, code => code.opcode == OpCodes.Ret);
var jobVar = t.codes[returnJobIdx - 1].operand;
t.TryInsertCodes(
0,
(i, codes) => i == foundResIdx,
(i, codes) => new List <CodeInstruction> {
// job = _HaulBeforeSupply(pawn, (Thing) c, foundRes);
new CodeInstruction(OpCodes.Ldarg_1), // Pawn pawn
new CodeInstruction(OpCodes.Ldarg_2), // IConstructible c
new CodeInstruction(OpCodes.Castclass, typeof(Thing)), // (Thing) c
new CodeInstruction(codes[i + 1]), // Thing foundRes
new CodeInstruction(codes[i + 2]), // Thing foundRes
new CodeInstruction(OpCodes.Call, AccessTools.Method(typeof(WorkGiver_ConstructDeliverResources_ResourceDeliverJobFor_Patch), nameof(_HaulBeforeSupply))),
new CodeInstruction(OpCodes.Stloc_S, jobVar),
// if (job != null) return job;
new CodeInstruction(OpCodes.Ldloc_S, jobVar),
new CodeInstruction(OpCodes.Brfalse_S, foundRes),
new CodeInstruction(OpCodes.Ldloc_S, jobVar),
new CodeInstruction(OpCodes.Ret),
});
return(t.GetFinalCodes());
}
static IEnumerable <CodeInstruction> OpportunisticJobs(IEnumerable <CodeInstruction> _codes, ILGenerator generator)
{
var t = new Transpiler(_codes, MethodBase.GetCurrentMethod());
var listerHaulablesIdx = t.TryFindCodeIndex(code => code.LoadsField(AccessTools.Field(typeof(Map), nameof(Map.listerHaulables))));
var skipMod = generator.DefineLabel();
t.TryInsertCodes(
-3,
(i, codes) => i == listerHaulablesIdx,
(i, codes) => new List <CodeInstruction> {
new CodeInstruction(OpCodes.Call, AccessTools.Method(typeof(Pawn_JobTracker_TryOpportunisticJob_Patch), nameof(IsEnabled))),
new CodeInstruction(OpCodes.Brfalse_S, skipMod),
new CodeInstruction(OpCodes.Ldarg_0),
new CodeInstruction(OpCodes.Ldarg_1),
new CodeInstruction(OpCodes.Call, AccessTools.Method(typeof(Patch_TryOpportunisticJob), nameof(TryOpportunisticJob))),
new CodeInstruction(OpCodes.Ret),
}, true);
t.codes[t.MatchIdx - 3].labels.Add(skipMod);
return(t.GetFinalCodes());
}
