wip

Author: dartasen

Nitrox.Test/Patcher/Patches/PatchesTranspilerTest.cs

@@ -78,6 +78,7 @@ public class PatchesTranspilerTest
         [typeof(uSkyManager_SetVaryingMaterialProperties_Patch), 0],
         [typeof(Welder_Weld_Patch), 1],
         [typeof(Poop_Perform_Patch), 1],
+        [typeof(PrisonPredatorSwimToPlayer_Perform_Patch), -34, true],
         [typeof(SeaDragonMeleeAttack_OnTouchFront_Patch), 9],
         [typeof(SeaDragonMeleeAttack_SwatAttack_Patch), 4],
         [typeof(SeaTreaderSounds_SpawnChunks_Patch), 3],

NitroxPatcher/Patches/Dynamic/PrisonPredatorSwimToPlayer_Perform_Patch.cs

@@ -0,0 +1,88 @@
+using System.Collections.Generic;
+using System.Reflection;
+using System.Reflection.Emit;
+using HarmonyLib;
+using NitroxClient.GameLogic;
+using NitroxClient.GameLogic.PlayerLogic;
+using NitroxModel.DataStructures;
+using NitroxModel.Helper;
+using UnityEngine;
+
+namespace NitroxPatcher.Patches.Dynamic;
+
+public sealed partial class PrisonPredatorSwimToPlayer_Perform_Patch : NitroxPatch, IDynamicPatch
+{
+    internal static readonly MethodInfo TARGET_METHOD = Reflect.Method((PrisonPredatorSwimToPlayer t) => t.Evaluate(default(Creature), default(float)));
+
+    internal static readonly EcoRegion.TargetFilter isTargetValidFilter = new(IsTargetValid);
+
+    public static bool Prefix(PrisonPredatorSwimToPlayer __instance)
+    {
+        if (!__instance.TryGetNitroxId(out NitroxId creatureId) ||
+            Resolve<SimulationOwnership>().HasAnyLockType(creatureId))
+        {
+            return true;
+        }
+
+        return false;
+    }
+
+    public static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions, ILGenerator generator)
+    {
+        Label jumpLabel = generator.DefineLabel();
+
+        return new CodeMatcher(instructions).MatchStartForward([
+                                                new CodeMatch((i) => i.opcode == OpCodes.Bge_Un || i.opcode == OpCodes.Bge_Un_S),
+                                                new CodeMatch(OpCodes.Ldc_R4, 0f),
+                                                new CodeMatch(OpCodes.Ret),
+                                                new CodeMatch(OpCodes.Ldsfld, Reflect.Field(() => Player.main))
+                                             ])
+                                            .Set(OpCodes.Bge_Un, jumpLabel)
+                                            .MatchStartForward(new CodeMatch(OpCodes.Ldsfld, Reflect.Field(() => Player.main)))
+                                            .RemoveInstructions(36)
+                                            .InsertAndAdvance(new CodeInstruction(OpCodes.Ldarg_1)
+                                            {
+                                                labels = [jumpLabel]
+                                            })
+                                            .Insert(new CodeInstruction(OpCodes.Call, Reflect.Method(() => EvaluatePriority(default))))
+                                            .InstructionEnumeration();
+    }
+
+    public static bool EvaluatePriority(Creature creature)
+    {
+        return false;
+    }
+
+    public static bool IsTargetValid(IEcoTarget ecoTarget)
+    {
+        GameObject target = ecoTarget.GetGameObject();
+        if (!target)
+        {
+            return false;
+        }
+
+        if (target == Player.main.gameObject && !Player.main.CanBeAttacked())
+        {
+            return false;
+        }
+
+        if (target.TryGetComponent(out RemotePlayerIdentifier remotePlayerIdentifier) && !remotePlayerIdentifier.RemotePlayer.CanBeAttacked())
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    public static IEcoTarget GetNearestTarget(PrisonPredatorSwimToPlayer creatureAction)
+    {
+        IEcoTarget ecoTarget = EcoRegionManager.main.FindNearestTarget(
+            RemotePlayer.PLAYER_ECO_TARGET_TYPE,
+            creatureAction.transform.position,
+            isTargetValidFilter,
+            maxRings: 1
+        );
+
+        return ecoTarget;
+    }
+}