Files
Nitrox/NitroxPatcher/Patches/Dynamic/SpawnOnKill_OnKill_Patch.cs
2025-07-06 00:23:46 +02:00

54 lines
1.9 KiB
C#

using System;
using HarmonyLib;
using NitroxClient.Communication.Abstract;
using NitroxClient.GameLogic;
using NitroxClient.MonoBehaviours;
using NitroxModel.Helper;
using NitroxModel.Packets;
using NitroxPatcher.PatternMatching;
using System.Collections.Generic;
using System.Reflection;
using UnityEngine;
using static System.Reflection.Emit.OpCodes;
namespace NitroxPatcher.Patches.Dynamic;
/// <summary>
/// Synchronizes entities that Spawn something when they are killed, e.g. Coral Disks.
/// </summary>
public sealed partial class SpawnOnKill_OnKill_Patch : NitroxPatch, IDynamicPatch
{
public static readonly MethodInfo TARGET_METHOD = Reflect.Method((SpawnOnKill t) => t.OnKill());
private static readonly InstructionsPattern spawnInstanceOnKillPattern = new()
{
Reflect.Method(() => UnityEngine.Object.Instantiate(default(GameObject), default(Vector3), default(Quaternion))),
{ Stloc_0, "DropOnKillInstance" },
Ldarg_0,
};
public static IEnumerable<CodeInstruction> Transpiler(MethodBase original, IEnumerable<CodeInstruction> instructions)
{
return instructions.InsertAfterMarker(spawnInstanceOnKillPattern, "DropOnKillInstance", new CodeInstruction[]
{
new(Ldarg_0),
new(Ldloc_0),
new(Call, ((Action<SpawnOnKill, GameObject>)Callback).Method)
});
}
private static void Callback(SpawnOnKill spawnOnKill, GameObject spawningItem)
{
if (!spawnOnKill.TryGetNitroxEntity(out NitroxEntity destroyedEntity))
{
Log.Warn($"[{nameof(SpawnOnKill_OnKill_Patch)}] Could not find {nameof(NitroxEntity)} for breakable entity {spawnOnKill.gameObject.GetFullHierarchyPath()}.");
}
else
{
Resolve<IPacketSender>().Send(new EntityDestroyed(destroyedEntity.Id));
}
NitroxEntity.SetNewId(spawningItem, new());
Resolve<Items>().Dropped(spawningItem);
}
}