48 lines
1.7 KiB
C#
48 lines
1.7 KiB
C#
using System.Collections.Generic;
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using System.Reflection;
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using HarmonyLib;
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using NitroxClient.Communication.Abstract;
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using NitroxModel.DataStructures;
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using NitroxModel.Helper;
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using NitroxModel.Packets;
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using NitroxPatcher.PatternMatching;
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using static System.Reflection.Emit.OpCodes;
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namespace NitroxPatcher.Patches.Dynamic;
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/// <summary>
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/// When the player crafts items the game will leverage this API to select a pickupable
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/// from their inventory and delete it. We want to let the server know that the item
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/// was successfully deleted.
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/// </summary>
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public sealed partial class ItemsContainer_DestroyItem_Patch : NitroxPatch, IDynamicPatch
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{
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internal static readonly MethodInfo TARGET_METHOD = Reflect.Method((ItemsContainer t) => t.DestroyItem(default(TechType)));
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private static readonly InstructionsPattern removeItemPattern = new()
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{
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Ldarg_0,
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Ldarg_1,
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Reflect.Method((ItemsContainer container) => container.RemoveItem(default(TechType))),
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{ Stloc_0, "NotifyServer" }
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};
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public static IEnumerable<CodeInstruction> Transpiler(MethodBase original, IEnumerable<CodeInstruction> instructions)
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{
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// After the call to RemoveItem (and storing the return value) we want to call our callback method
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return instructions.InsertAfterMarker(removeItemPattern, "NotifyServer", new CodeInstruction[]
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{
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new(Ldloc_0),
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new(Call, Reflect.Method(() => Callback(default)))
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});
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}
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private static void Callback(Pickupable pickupable)
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{
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if (pickupable.TryGetIdOrWarn(out NitroxId id))
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{
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Resolve<IPacketSender>().Send(new EntityDestroyed(id));
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}
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}
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}
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