Allow removing species from the RNG pool of a new player's initial auto-generated character (#41678)

* First commit

* Fix it!

* Requested Changes

Content.Server/GameTicking/GameTicker.RoundFlow.cs

@@ -394,7 +394,9 @@ namespace Content.Server.GameTicking
                 }
                 else
                 {
-                    profile = HumanoidCharacterProfile.Random();
+                    var speciesToBlacklist =
+                        new HashSet<string>(_cfg.GetCVar(CCVars.ICNewAccountSpeciesBlacklist).Split(","));
+                    profile = HumanoidCharacterProfile.Random(speciesToBlacklist);
                 }
                 readyPlayerProfiles.Add(userId, profile);
             }

Content.Server/Preferences/Managers/ServerPreferencesManager.cs

@@ -354,7 +354,9 @@ namespace Content.Server.Preferences.Managers
             var prefs = await _db.GetPlayerPreferencesAsync(userId, cancel);
             if (prefs is null)
             {
-                return await _db.InitPrefsAsync(userId, HumanoidCharacterProfile.Random(), cancel);
+                var speciesToBlacklist =
+                    new HashSet<string>(_cfg.GetCVar(CCVars.ICNewAccountSpeciesBlacklist).Split(","));
+                return await _db.InitPrefsAsync(userId, HumanoidCharacterProfile.Random(speciesToBlacklist), cancel);
             }
 
             return prefs;

Content.Shared/CCVar/CCVars.Ic.cs

@@ -65,6 +65,13 @@ public sealed partial class CCVars
     public static readonly CVarDef<string> ICRandomSpeciesWeights =
         CVarDef.Create("ic.random_species_weights", "SpeciesWeights", CVar.SERVER);
 
+    /// <summary>
+    ///     The list of species that will NOT be given to new account joins when they are assigned a random character.
+    ///     This only affects the first time a character is made for an account, nothing else.
+    /// </summary>
+    public static readonly CVarDef<string> ICNewAccountSpeciesBlacklist =
+        CVarDef.Create("ic.blacklist_species_new_account", "Diona,Vulpkanin,Vox,SlimePerson", CVar.SERVER);
+
     /// <summary>
     ///     Control displaying SSD indicators near players
     /// </summary>

Resources/Prototypes/Species/species_weights.yml

@@ -12,3 +12,6 @@
     Feroxi: 3 # DeltaV - Feroxi, see Prototypes/_DV/Entities/Mobs/Species/feroxi.yml
     Diona: 2
     Chitinid: 3 # DeltaV - Chitinid, see Prototypes/_DV/Entities/Mobs/Species/chitinid.yml
+    Moth: 4
+    #Dwarf: 2 # DeltaV - No Dwarfs
+    Vox: 1