Adding event TogglingRadio(Player, RadioItem, bool, bool)

Exiled.Events/EventArgs/Player/TogglingRadioEventArgs.cs

@@ -0,0 +1,67 @@
+// -----------------------------------------------------------------------
+// <copyright file="TogglingRadioEventArgs.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 Exiled.API.Features.Items;
+    using Interfaces;
+    using InventorySystem.Items.Radio;
+
+    /// <summary>
+    ///     Contains all information before radio preset is changed.
+    /// </summary>
+    public class TogglingRadioEventArgs : IPlayerEvent, IDeniableEvent, IItemEvent
+    {
+        /// <summary>
+        ///     Initializes a new instance of the <see cref="TogglingRadioEventArgs" /> class.
+        /// </summary>
+        /// <param name="player">
+        ///     <inheritdoc cref="Player" />
+        /// </param>
+        /// <param name="radio">
+        ///     <inheritdoc cref="Radio" />
+        /// </param>
+        /// <param name="newState">
+        ///     <inheritdoc cref="NewState" />
+        /// </param>
+        /// <param name="isAllowed">
+        ///     <inheritdoc cref="IsAllowed" />
+        /// </param>
+        public TogglingRadioEventArgs(Player player, RadioItem radio, bool newState, bool isAllowed = true)
+        {
+            Player = player;
+            Radio = (Radio)Item.Get(radio);
+            NewState = newState;
+            IsAllowed = isAllowed;
+        }
+
+        /// <summary>
+        ///     Gets the <see cref="API.Features.Items.Radio" /> which is being used.
+        /// </summary>
+        public Radio Radio { get; }
+
+        /// <inheritdoc/>
+        public Item Item => Radio;
+
+        /// <summary>
+        ///     Gets or sets a value indicating whether new state of the radio.
+        /// </summary>
+        public bool NewState { get; set; }
+
+        /// <summary>
+        ///     Gets or sets a value indicating whether the radio preset can be changed or not.
+        /// </summary>
+        public bool IsAllowed { get; set; }
+
+        /// <summary>
+        ///     Gets the player who's using the radio.
+        /// </summary>
+        public Player Player { get; }
+    }
+}

Exiled.Events/Handlers/Player.cs

@@ -452,6 +452,11 @@ public class Player
         /// </summary>
         public static Event<TogglingOverwatchEventArgs> TogglingOverwatch { get; set; } = new();
 
+        /// <summary>
+        /// Invoked before turning the <see cref="API.Features.Items.Radio" /> on/off.
+        /// </summary>
+        public static Event<TogglingRadioEventArgs> TogglingRadio { get; set; } = new();
+
         /// <summary>
         /// Invoked before a <see cref="API.Features.Player"/> searches a Pickup.
         /// </summary>
@@ -900,6 +905,12 @@ public class Player
         /// <param name="ev">The <see cref="TogglingOverwatchEventArgs"/> instance.</param>
         public static void OnTogglingOverwatch(TogglingOverwatchEventArgs ev) => TogglingOverwatch.InvokeSafely(ev);
 
+        /// <summary>
+        /// Called before turning the radio on/off.
+        /// </summary>
+        /// <param name="ev">The <see cref="TogglingRadioEventArgs"/> instance.</param>
+        public static void OnTogglingRadio(TogglingRadioEventArgs ev) => TogglingRadio.InvokeSafely(ev);
+
         /// <summary>
         /// Called before a <see cref="API.Features.Player"/> searches a Pickup.
         /// </summary>

Exiled.Events/Patches/Events/Player/TogglingRadio.cs

@@ -0,0 +1,85 @@
+// -----------------------------------------------------------------------
+// <copyright file="TogglingRadio.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 Exiled.API.Features;
+    using Exiled.Events.Attributes;
+    using Exiled.Events.EventArgs.Player;
+#pragma warning disable SA1313 // Parameter names should begin with lower-case letter
+    using HarmonyLib;
+    using InventorySystem.Items;
+    using InventorySystem.Items.Radio;
+    using PluginAPI.Events;
+
+    /// <summary>
+    ///     Patches <see cref="RadioItem.ServerProcessCmd" />.
+    ///     Adds the <see cref="Handlers.Player.TogglingRadio" /> event.
+    /// </summary>
+    [EventPatch(typeof(Handlers.Player), nameof(Handlers.Player.TogglingRadio))]
+    [HarmonyPatch(typeof(RadioItem), nameof(RadioItem.ServerProcessCmd))]
+    internal static class TogglingRadio
+    {
+        private static bool Prefix(RadioItem __instance, RadioMessages.RadioCommand command)
+        {
+            if (__instance.Owner.HasBlock(BlockedInteraction.ItemUsage))
+                return false;
+
+            switch (command)
+            {
+                case RadioMessages.RadioCommand.Enable:
+                    {
+                        if (__instance._enabled || __instance._battery <= 0f || !EventManager.ExecuteEvent(new PlayerRadioToggleEvent(__instance.Owner, __instance, true)))
+                            return false;
+
+                        TogglingRadioEventArgs ev = new(Player.Get(__instance.Owner), __instance, true);
+                        Handlers.Player.OnTogglingRadio(ev);
+                        if (!ev.IsAllowed)
+                            return false;
+
+                        __instance._enabled = ev.NewState == __instance._enabled ? true : ev.NewState;
+                        break;
+                    }
+
+                case RadioMessages.RadioCommand.Disable:
+                    {
+                        if (!__instance._enabled || !EventManager.ExecuteEvent(new PlayerRadioToggleEvent(__instance.Owner, __instance, false)))
+                            return false;
+
+                        TogglingRadioEventArgs ev = new(Player.Get(__instance.Owner), __instance, false);
+                        Handlers.Player.OnTogglingRadio(ev);
+                        if (!ev.IsAllowed)
+                            return false;
+
+                        __instance._enabled = ev.NewState == __instance._enabled ? false : ev.NewState;
+                        break;
+                    }
+
+                case RadioMessages.RadioCommand.ChangeRange:
+                    {
+                        byte b = (byte)(__instance._rangeId + 1);
+                        if (b >= __instance.Ranges.Length)
+                        {
+                            b = 0;
+                        }
+
+                        PlayerChangeRadioRangeEvent playerChangeRadioRangeEvent = new PlayerChangeRadioRangeEvent(__instance.Owner, __instance, (RadioMessages.RadioRangeLevel)b);
+                        if (!EventManager.ExecuteEvent(playerChangeRadioRangeEvent))
+                        {
+                            return false;
+                        }
+
+                        b = __instance._rangeId = (byte)playerChangeRadioRangeEvent.Range;
+                        break;
+                    }
+            }
+
+            __instance.SendStatusMessage();
+            return false;
+        }
+    }
+}