Turn around true/false for better readability

src/server/MapPlaylist.ts

@@ -151,7 +151,7 @@ export class MapPlaylist {
 
   public async gameConfigNotInUse(
     type: PublicGameType,
-    isInUse: (config: GameConfig) => boolean,
+    notInUse: (config: GameConfig) => boolean,
   ): Promise<GameConfig> {
     const maxAttempts = 6;
     let attempts = 0;
@@ -161,7 +161,7 @@ export class MapPlaylist {
       const config = await this.buildConfig(type, map);
       attempts++;
 
-      if (!isInUse(config) || attempts >= maxAttempts) {
+      if (notInUse(config) || attempts >= maxAttempts) {
         this.consumeNextMap(type);
         return config;
       }

src/server/MasterLobbyService.ts

@@ -177,20 +177,20 @@ export class MasterLobbyService {
       }
 
       const gameConfig = await this.playlist.gameConfigNotInUse(type, (c) => {
-        if (usedMaps.has(c.gameMap)) return true;
+        if (usedMaps.has(c.gameMap)) return false;
 
         if (
           c.playerTeams !== undefined &&
           usedTeamTypes.has(String(c.playerTeams))
         ) {
-          return true;
+          return false;
         }
 
         if (c.maxPlayers !== undefined && usedMaxPlayers.has(c.maxPlayers)) {
-          return true;
+          return false;
         }
 
-        return false;
+        return true;
       });
 
       recordInUse(gameConfig);