feat: Implement MemberVoiceStateBehavior.RequireDifferent

src/Lavalink4NET/Clients/MemberVoiceStateBehavior.cs

@@ -16,4 +16,9 @@ public enum MemberVoiceStateBehavior : byte
     ///     Regardless of the player's connection state, the user must be in the same voice channel as the player.
     /// </summary>
     RequireSame,
+
+    /// <summary>
+    ///     Regardless of the player's connection state, the user must be in a different voice channel than the player.
+    /// </summary>
+    RequireDifferent,
 }

src/Lavalink4NET/Players/PlayerManager.cs

@@ -254,8 +254,7 @@ static async ValueTask<PlayerResult<TPlayer>> CheckPreconditionsAsync(
 
         if (player is not null)
         {
-            if (voiceStateBehavior is MemberVoiceStateBehavior.AlwaysRequired or MemberVoiceStateBehavior.RequireSame &&
-                memberVoiceChannel is null)
+            if (voiceStateBehavior is not MemberVoiceStateBehavior.Ignore && memberVoiceChannel is null)
             {
                 return PlayerResult<TPlayer>.UserNotInVoiceChannel;
             }
@@ -277,6 +276,14 @@ await DiscordClient
                         .ConfigureAwait(false);
                 }
             }
+            else
+            {
+                // Player is in same voice chanenl as bot
+                if (voiceStateBehavior is MemberVoiceStateBehavior.RequireDifferent)
+                {
+                    return PlayerResult<TPlayer>.UserInSameVoiceChannel;
+                }
+            }
 
             return await CheckPreconditionsAsync(player, preconditions, cancellationToken).ConfigureAwait(false);
         }

src/Lavalink4NET/Players/PlayerResult.cs

@@ -32,6 +32,8 @@ public static PlayerResult<TPlayer> Success(TPlayer player)
 
     public static PlayerResult<TPlayer> VoiceChannelMismatch => new(null, PlayerRetrieveStatus.VoiceChannelMismatch, null);
 
+    public static PlayerResult<TPlayer> UserInSameVoiceChannel => new(null, PlayerRetrieveStatus.UserInSameVoiceChannel, null);
+
     public static PlayerResult<TPlayer> BotNotConnected => new(null, PlayerRetrieveStatus.BotNotConnected, null);
 
     public static PlayerResult<TPlayer> PreconditionFailed(TPlayer player, IPlayerPrecondition precondition)

src/Lavalink4NET/Players/PlayerRetrieveStatus.cs

@@ -5,6 +5,7 @@ public enum PlayerRetrieveStatus : byte
     Success,
     UserNotInVoiceChannel,
     VoiceChannelMismatch,
+    UserInSameVoiceChannel,
     BotNotConnected,
     PreconditionFailed,
 }