added "appear" command to cli

The "appear" command lists players appearances. This is only really useful for debugging, as the "players" command shows pretty much the same info.

Author: Jenna1337

FezMultiplayerDedicatedServer/FezDedicatedServer.cs

@@ -101,6 +101,24 @@ static void Main(string[] args)
                             Console.WriteLine(s);
                         })
                     },
+                    {
+                        "appear".ToLowerInvariant(),
+                        ("Lists players appearances", () =>
+                        {
+                            string s = "Player appearances:\n";
+                            int count = 0;
+                            foreach (var kvpair in server.PlayerAppearances)
+                            {
+                                count++;
+                                s += $"{kvpair.Key}: Name=\"{kvpair.Value.PlayerName}\" Appearance=\"{kvpair.Value.CustomCharacterAppearance}\"\n";
+                            }
+                            if(count == 0)
+                            {
+                                s += "None";
+                            }
+                            Console.WriteLine(s);
+                        })
+                    },
                 };
                 int maxCommandLength = cliActions.Max(kv => kv.Key.Length);
                 (string desc, Action action) HelpCommand;

Shared/Shared.cs

@@ -273,7 +273,7 @@ public abstract class SharedNetcode<P> where P : PlayerMetadata
         public volatile Exception FatalException = null;
 
         public abstract ConcurrentDictionary<Guid, P> Players { get; }
-        protected ConcurrentDictionary<Guid, PlayerAppearance> PlayerAppearances = new ConcurrentDictionary<Guid, PlayerAppearance>();
+        public ConcurrentDictionary<Guid, PlayerAppearance> PlayerAppearances = new ConcurrentDictionary<Guid, PlayerAppearance>();
         /// <summary>
         /// Note: only the Keys of this dictionary are used. Optimally, we'd use a concurrent hashset, but .NET doesn't have that.
         /// </summary>