first commit

NitroxPatcher/Patches/Dynamic/IncubatorEgg_HatchNow_Patch.cs

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+using System.Reflection;
+using NitroxClient.GameLogic;
+using NitroxClient.MonoBehaviours;
+using NitroxModel.Core;
+using NitroxModel.DataStructures;
+using NitroxModel.DataStructures.GameLogic.Entities;
+using NitroxModel.Helper;
+using NitroxModel_Subnautica.DataStructures;
+using UnityEngine;
+
+namespace NitroxPatcher.Patches.Dynamic;
+
+public sealed partial class IncubatorEgg_HatchNow_Patch : NitroxPatch, IDynamicPatch
+{
+    private static readonly MethodInfo TARGET_METHOD = Reflect.Method((IncubatorEgg t) => t.HatchNow());
+
+    public static bool Prefix(IncubatorEgg __instance)
+    {
+        StartHatchingVisuals(__instance);
+
+        SpawnBabiesIfSimulating(__instance);
+
+        return false;
+    }
+
+    private static void StartHatchingVisuals(IncubatorEgg egg)
+    {
+        egg.fxControl.Play();
+        Utils.PlayFMODAsset(egg.hatchSound, egg.transform, 30f);
+
+        SafeAnimator.SetBool(egg.animationController.eggAnimator, egg.animParameter, true);
+    }
+
+    private static void SpawnBabiesIfSimulating(IncubatorEgg egg)
+    {
+        SimulationOwnership simulationOwnership = NitroxServiceLocator.LocateService<SimulationOwnership>();
+
+        NitroxEntity serverKnownParent = egg.GetComponentInParent<NitroxEntity>();
+        Validate.NotNull(serverKnownParent, "Could not find a server known parent for incubator egg");
+
+        // Only spawn the babies if we are simulating the main incubator platform.
+        if (simulationOwnership.HasAnyLockType(serverKnownParent.Id))
+        {
+            GameObject baby = UnityEngine.Object.Instantiate<GameObject>(egg.seaEmperorBabyPrefab);
+            baby.transform.position = egg.attachPoint.transform.position;
+            baby.transform.localRotation = Quaternion.identity;
+
+            NitroxId babyId = NitroxEntity.GenerateNewId(baby);
+
+            WorldEntity entity = new(baby.transform.position.ToDto(), baby.transform.rotation.ToDto(), baby.transform.localScale.ToDto(), TechType.SeaEmperorBaby.ToDto(), 3, "09883a6c-9e78-4bbf-9561-9fa6e49ce766", false, babyId, null);
+            Resolve<Entities>().BroadcastEntitySpawnedByClient(entity);
+        }
+    }
+}