Fixes #426

Obsidian.API/_Interfaces/IServerConfiguration.cs

@@ -109,6 +109,14 @@ public interface IServerConfiguration
     /// </summary>
     public RconConfig? Rcon { get; set; }
 
+    /// <summary>
+    /// The view distance of the server.
+    /// </summary>
+    /// <remarks>
+    /// Players with higher view distance will use the server's view distance.
+    /// </remarks>
+    public byte ViewDistance { get; set; }
+
     public List<string> WhitelistedIPs { get; set; }
     public List<WhitelistedPlayer> Whitelisted { get; set; }
 }

Obsidian/Net/Packets/ClientInformationPacket.cs

@@ -36,7 +36,7 @@ public async ValueTask HandleAsync(Server server, Player player)
         player.ClientInformation = new()
         {
             Locale = this.Locale,
-            ViewDistance = this.ViewDistance,
+            ViewDistance = sbyte.Min(ViewDistance, (sbyte) server.Configuration.ViewDistance),
             ChatMode = this.ChatMode,
             ChatColors = this.ChatColors,
             DisplayedSkinParts = this.DisplayedSkinParts,

Obsidian/Utilities/ServerConfiguration.cs

@@ -48,6 +48,12 @@ public sealed class ServerConfiguration : IServerConfiguration
 
     public bool AllowLan { get; set; } = true; // Enabled because it's super useful for debugging tbh
 
+    public byte ViewDistance
+    {
+        get => viewDistance;
+        set => viewDistance = value >= MinimumViewDistance ? value : MinimumViewDistance;
+    }
+
     public int PregenerateChunkRange { get; set; } = 15; // by default, pregenerate range from -15 to 15
 
     [JsonConverter(typeof(JsonStringEnumConverter))]
@@ -64,6 +70,11 @@ public sealed class ServerConfiguration : IServerConfiguration
     public ServerListQuery ServerListQuery { get; set; } = ServerListQuery.Full;
 
     public int TimeTickSpeedMultiplier { get; set; } = 1;
+
+    private byte viewDistance = 10;
+
+    // Anything lower than 3 will cause weird artifacts on the client.
+    private const byte MinimumViewDistance = 3;
 }
 
 public sealed class ServerWorld