Add voicelines SCP-3114

Exiled.Events/EventArgs/Scp3114/VoiceLinesEventArgs.cs

@@ -0,0 +1,55 @@
+// -----------------------------------------------------------------------
+// <copyright file="VoiceLinesEventArgs.cs" company="Exiled Team">
+// Copyright (c) Exiled Team. All rights reserved.
+// Licensed under the CC BY-SA 3.0 license.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Exiled.Events.EventArgs.Scp3114
+{
+    using API.Features;
+    using Exiled.API.Features.Roles;
+    using Interfaces;
+
+    using static PlayerRoles.PlayableScps.Scp3114.Scp3114VoiceLines;
+
+    /// <summary>
+    ///     Contains all information prior to sending voiceline SCP-3114.
+    /// </summary>
+    public class VoiceLinesEventArgs : IScp3114Event, IDeniableEvent
+    {
+        /// <summary>
+        ///     Initializes a new instance of the <see cref="VoiceLinesEventArgs" /> class.
+        /// </summary>
+        /// <param name="player">
+        ///     <inheritdoc cref="Player" />
+        /// </param>
+        /// <param name="voiceLine">
+        ///     <inheritdoc cref="VoiceLine" />
+        /// </param>
+        /// <param name="isAllowed">
+        ///     <inheritdoc cref="IsAllowed" />
+        /// </param>
+        public VoiceLinesEventArgs(ReferenceHub player, VoiceLinesDefinition voiceLine, bool isAllowed = true)
+        {
+            Player = Player.Get(player);
+            Scp3114 = Player.Role.As<Scp3114Role>();
+            VoiceLine = voiceLine;
+            IsAllowed = isAllowed;
+        }
+
+        /// <inheritdoc/>
+        public Player Player { get; }
+
+        /// <inheritdoc/>
+        public Scp3114Role Scp3114 { get; }
+
+        /// <summary>
+        ///     Gets or sets the <see cref="VoiceLinesDefinition" />.
+        /// </summary>
+        public VoiceLinesDefinition VoiceLine { get; set; }
+
+        /// <inheritdoc/>
+        public bool IsAllowed { get; set; }
+    }
+}

Exiled.Events/Handlers/Scp3114.cs

@@ -43,6 +43,11 @@ public static class Scp3114
         /// </summary>
         public static Event<RevealingEventArgs> Revealing { get; set; } = new();
 
+        /// <summary>
+        ///    Invoked before sending any SCP-3114 voicelines.
+        /// </summary>
+        public static Event<VoiceLinesEventArgs> VoiceLines { get; set; } = new();
+
         /// <summary>
         ///     Called before diguising to a new Roles.
         /// </summary>
@@ -72,5 +77,11 @@ public static class Scp3114
         /// </summary>
         /// <param name="ev">The <see cref="RevealingEventArgs" /> instance.</param>
         public static void OnRevealing(RevealingEventArgs ev) => Revealing.InvokeSafely(ev);
+
+        /// <summary>
+        ///    Called before sending any SCP-3114 voicelines.
+        /// </summary>
+        /// <param name="ev">The <see cref="VoiceLinesEventArgs" /> instance.</param>
+        public static void OnVoiceLines(VoiceLinesEventArgs ev) => VoiceLines.InvokeSafely(ev);
     }
 }

Exiled.Events/Patches/Events/Scp3114/VoiceLines.cs

@@ -0,0 +1,83 @@
+// -----------------------------------------------------------------------
+// <copyright file="VoiceLines.cs" company="Exiled Team">
+// Copyright (c) Exiled Team. All rights reserved.
+// Licensed under the CC BY-SA 3.0 license.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Exiled.Events.Patches.Events.Scp3114
+{
+    using System.Collections.Generic;
+    using System.Reflection.Emit;
+
+    using Exiled.API.Features.Pools;
+    using Exiled.Events.Attributes;
+    using Exiled.Events.EventArgs.Scp3114;
+    using Exiled.Events.Handlers;
+
+    using HarmonyLib;
+
+    using PlayerRoles.PlayableScps.Scp3114;
+
+    using static HarmonyLib.AccessTools;
+
+    /// <summary>
+    ///     Patches <see cref="Scp3114VoiceLines.ServerPlayConditionally" />.
+    ///     Adds the <see cref="Handlers.Scp3114.VoiceLines" /> event.
+    /// </summary>
+    [EventPatch(typeof(Scp3114), nameof(Scp3114.VoiceLines))]
+    [HarmonyPatch(typeof(Scp3114VoiceLines), nameof(Scp3114VoiceLines.ServerPlayConditionally))]
+    internal class VoiceLines
+    {
+        private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions, ILGenerator generator)
+        {
+            List<CodeInstruction> newInstructions = ListPool<CodeInstruction>.Pool.Get(instructions);
+
+            Label returnLabel = generator.DefineLabel();
+
+            LocalBuilder ev = generator.DeclareLocal(typeof(VoiceLinesEventArgs));
+
+            int offset = 1;
+            int index = newInstructions.FindIndex(instruction => instruction.opcode == OpCodes.Blt_S) + offset;
+
+            newInstructions.InsertRange(index, new CodeInstruction[]
+            {
+                // this.Owner
+                new(OpCodes.Ldarg_0),
+                new(OpCodes.Callvirt, PropertyGetter(typeof(Scp3114VoiceLines), nameof(Scp3114VoiceLines.Owner))),
+
+                // voiceLinesDefinition
+                new(OpCodes.Ldloc_0),
+
+                // true
+                new(OpCodes.Ldc_I4_1),
+
+                // VoiceLinesEventArgs ev = new VoiceLinesEventArgs(ReferenceHub, VoiceLinesDefinition, bool);
+                new(OpCodes.Newobj, GetDeclaredConstructors(typeof(VoiceLinesEventArgs))[0]),
+                new(OpCodes.Dup),
+                new(OpCodes.Dup),
+                new(OpCodes.Stloc_S, ev.LocalIndex),
+
+                // Handlers.Scp3114.OnVoiceLines(ev);
+                new(OpCodes.Call, Method(typeof(Handlers.Scp3114), nameof(Handlers.Scp3114.OnVoiceLines))),
+
+                // if(!ev.IsAllowed)
+                //     return;
+                new(OpCodes.Callvirt, PropertyGetter(typeof(VoiceLinesEventArgs), nameof(VoiceLinesEventArgs.IsAllowed))),
+                new(OpCodes.Brfalse_S, returnLabel),
+
+                // voiceLinesDefinition = ev.VoiceLine;
+                new(OpCodes.Ldloc_S, ev.LocalIndex),
+                new(OpCodes.Callvirt, PropertyGetter(typeof(VoiceLinesEventArgs), nameof(VoiceLinesEventArgs.VoiceLine))),
+                new(OpCodes.Stloc_S, 0),
+            });
+
+            newInstructions[newInstructions.Count - 1].labels.Add(returnLabel);
+
+            for (int z = 0; z < newInstructions.Count; z++)
+                yield return newInstructions[z];
+
+            ListPool<CodeInstruction>.Pool.Return(newInstructions);
+        }
+    }
+}