Files
Performance-Fish/Source/PerformanceFish/IdeoBuildingPresenceDemandOptimization.cs
T

59 lines
1.7 KiB
C#

// Copyright (c) 2023 bradson
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
using Mono.Cecil;
using Mono.Cecil.Cil;
using PerformanceFish.Prepatching;
namespace PerformanceFish;
public sealed class IdeoBuildingPresenceDemandOptimization : ClassWithFishPrepatches
{
public sealed class BuildingPresentPatch : FishPrepatch
{
public override string? Description { get; }
= "Optimization to use cached ListerBuildings data instead of scanning through all colonist buildings, "
+ "frequently";
public override MethodBase TargetMethodBase { get; }
= AccessTools.DeclaredMethod(typeof(IdeoBuildingPresenceDemand),
nameof(IdeoBuildingPresenceDemand.BuildingPresent));
public override void Transpiler(ILProcessor ilProcessor, ModuleDefinition module)
=> ilProcessor.ReplaceBodyWith(ReplacementBody);
public static bool ReplacementBody(IdeoBuildingPresenceDemand __instance, Map map)
{
var buildings = map.listerBuildings.AllBuildingsColonistOfDef(__instance.parent.ThingDef);
if (buildings is IndexedFishSet<Building> fishSet)
{
var list = fishSet.ReadOnlyList;
for (var i = list.Count; i-- > 0;)
{
if (list[i].StyleSourcePrecept == __instance.parent)
return true;
}
return false;
}
else
{
return FallbackCheck(__instance, buildings);
}
}
public static bool FallbackCheck(IdeoBuildingPresenceDemand __instance, IEnumerable<Building> buildings)
{
foreach (var building in buildings)
{
if (building.StyleSourcePrecept == __instance.parent)
return true;
}
return false;
}
}
}