feat: Ignored players removed from the Round Targets

EXILED/Exiled.Events/Patches/Generic/RoundTargetCount.cs

@@ -0,0 +1,72 @@
+// -----------------------------------------------------------------------
+// <copyright file="RoundTargetCount.cs" company="ExMod Team">
+// Copyright (c) ExMod Team. All rights reserved.
+// Licensed under the CC BY-SA 3.0 license.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Exiled.Events.Patches.Generic
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Reflection;
+    using System.Reflection.Emit;
+
+    using Exiled.API.Features;
+    using Exiled.API.Features.Pools;
+    using HarmonyLib;
+
+    using static HarmonyLib.AccessTools;
+
+    /// <summary>
+    /// Patches <see cref="RoundSummary.UpdateTargetCount" />.
+    /// Adds the <see cref="Round.IgnoredPlayers" /> Propperty.
+    /// </summary>
+    [HarmonyPatch]
+    internal class RoundTargetCount
+    {
+#pragma warning disable SA1600 // Elements should be documented
+        public static Type PrivateType { get; internal set; }
+
+        private static MethodInfo TargetMethod()
+        {
+            PrivateType = typeof(RoundSummary).GetNestedTypes(all)
+                .FirstOrDefault(currentType => currentType.Name is "<>c");
+            if (PrivateType == null)
+                throw new Exception("State machine type for <>c not found.");
+            MethodInfo updateTargetCountFunction = PrivateType.GetMethods(all).FirstOrDefault(x => x.Name.Contains("UpdateTargetCount"));
+
+            if (updateTargetCountFunction == null)
+                throw new Exception("UpdateTargetCount method not found in the state machine type.");
+            return updateTargetCountFunction;
+        }
+
+        private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions, ILGenerator generator)
+        {
+            List<CodeInstruction> newInstructions = ListPool<CodeInstruction>.Pool.Get(instructions);
+
+            Label skip = generator.DefineLabel();
+
+            newInstructions[0].labels.Add(skip);
+
+            newInstructions.InsertRange(0, new CodeInstruction[]
+            {
+                // if (Round.IgnoredPlayers.Contains(hub))
+                // return false;
+                new(OpCodes.Call, PropertyGetter(typeof(Round), nameof(Round.IgnoredPlayers))),
+                new(OpCodes.Ldarg_1),
+                new(OpCodes.Callvirt, Method(typeof(HashSet<ReferenceHub>), nameof(HashSet<ReferenceHub>.Contains))),
+                new(OpCodes.Brfalse_S, skip),
+
+                new(OpCodes.Ldc_I4_0),
+                new(OpCodes.Ret),
+            });
+
+            for (int z = 0; z < newInstructions.Count; z++)
+                yield return newInstructions[z];
+
+            ListPool<CodeInstruction>.Pool.Return(newInstructions);
+        }
+    }
+}