[EXILED::EVENTS] Adding PlayingAudioLog

EXILED/Exiled.Events/EventArgs/Player/PlayingAudioLogEventArgs.cs

@@ -0,0 +1,44 @@
+// -----------------------------------------------------------------------
+// <copyright file="PlayingAudioLogEventArgs.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.Player
+{
+    using API.Features;
+
+    using Interfaces;
+
+    /// <summary>
+    /// Contains all information before a player plays the AudioLog.
+    /// </summary>
+    public class PlayingAudioLogEventArgs : IPlayerEvent, IDeniableEvent
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PlayingAudioLogEventArgs" /> class.
+        /// </summary>
+        /// <param name="player">
+        /// <inheritdoc cref="Player" />
+        /// </param>
+        /// <param name="isAllowed">
+        /// <inheritdoc cref="IsAllowed" />
+        /// </param>
+        public PlayingAudioLogEventArgs(Player player, bool isAllowed = true)
+        {
+            Player = player;
+            IsAllowed = isAllowed;
+        }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether or not the audio will start.
+        /// </summary>
+        public bool IsAllowed { get; set; }
+
+        /// <summary>
+        /// Gets the player who started the AudioLog.
+        /// </summary>
+        public Player Player { get; }
+    }
+}

EXILED/Exiled.Events/Handlers/Player.cs

@@ -208,6 +208,11 @@ public class Player
         /// </summary>
         public static Event<DroppingNothingEventArgs> DroppingNothing { get; set; } = new();
 
+        /// <summary>
+        /// Invoked before playing an AudioLog.
+        /// </summary>
+        public static Event<PlayingAudioLogEventArgs> PlayingAudioLog { get; set; } = new();
+
         /// <summary>
         /// Invoked before picking up an <see cref="API.Features.Items.Item"/>.
         /// </summary>
@@ -691,6 +696,12 @@ public class Player
         /// <param name="ev">The <see cref="DroppingNothingEventArgs"/> instance.</param>
         public static void OnDroppingNothing(DroppingNothingEventArgs ev) => DroppingNothing.InvokeSafely(ev);
 
+        /// <summary>
+        /// Called before a <see cref="API.Features.Player"/> plays an AudioLog.
+        /// </summary>
+        /// <param name="ev">The <see cref="PlayingAudioLogEventArgs"/> instance.</param>
+        public static void OnPlayingAudioLog(PlayingAudioLogEventArgs ev) => PlayingAudioLog.InvokeSafely(ev);
+
         /// <summary>
         /// Called before a <see cref="API.Features.Player"/> picks up an item.
         /// </summary>

EXILED/Exiled.Events/Patches/Events/Player/PlayingAudioLog.cs

@@ -0,0 +1,68 @@
+// -----------------------------------------------------------------------
+// <copyright file="PlayingAudioLog.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.Player
+{
+    using System.Collections.Generic;
+    using System.Reflection.Emit;
+
+    using API.Features;
+    using API.Features.Pools;
+    using Exiled.Events.Attributes;
+    using Exiled.Events.EventArgs.Player;
+    using HarmonyLib;
+    using MapGeneration.Spawnables;
+
+    using static HarmonyLib.AccessTools;
+
+    /// <summary>
+    /// Patch the <see cref="AudioLog.ServerInteract" />.
+    /// Adds the <see cref="Handlers.Player.PlayingAudioLog" /> event.
+    /// </summary>
+    [EventPatch(typeof(Handlers.Player), nameof(Handlers.Player.PlayingAudioLog))]
+    [HarmonyPatch(typeof(AudioLog), nameof(AudioLog.ServerInteract))]
+    internal static class PlayingAudioLog
+    {
+        private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions, ILGenerator generator)
+        {
+            List<CodeInstruction> newInstructions = ListPool<CodeInstruction>.Pool.Get(instructions);
+
+            Label retLabel = generator.DefineLabel();
+
+            newInstructions.InsertRange(
+                0,
+                new CodeInstruction[]
+                {
+                    // Player player = Player.Get(ReferenceHub);
+                    new(OpCodes.Ldarg_1),
+                    new(OpCodes.Call, Method(typeof(Player), nameof(Player.Get), new[] { typeof(ReferenceHub) })),
+
+                    // true
+                    new(OpCodes.Ldc_I4_1),
+
+                    // PlayingAudioLogEventArgs ev = new(Player, bool)
+                    new(OpCodes.Newobj, GetDeclaredConstructors(typeof(PlayingAudioLogEventArgs))[0]),
+                    new(OpCodes.Dup),
+
+                    // Handlers.Player.OnPlayingAudioLog(ev)
+                    new(OpCodes.Call, Method(typeof(Handlers.Player), nameof(Handlers.Player.OnPlayingAudioLog))),
+
+                    // if (!ev.IsAllowed)
+                    //    return;
+                    new(OpCodes.Callvirt, PropertyGetter(typeof(PlayingAudioLogEventArgs), nameof(PlayingAudioLogEventArgs.IsAllowed))),
+                    new(OpCodes.Brfalse, retLabel),
+                });
+
+            newInstructions[newInstructions.Count - 1].labels.Add(retLabel);
+
+            for (int z = 0; z < newInstructions.Count; z++)
+                yield return newInstructions[z];
+
+            ListPool<CodeInstruction>.Pool.Return(newInstructions);
+        }
+    }
+}