wip: balancer modes

api/src/main/java/us/ajg0702/queue/api/queues/Balancer.java

@@ -0,0 +1,8 @@
+package us.ajg0702.queue.api.queues;
+
+import us.ajg0702.queue.api.players.AdaptedPlayer;
+import us.ajg0702.queue.api.server.AdaptedServer;
+
+public interface Balancer {
+    AdaptedServer getIdealServer(AdaptedPlayer player);
+}

api/src/main/java/us/ajg0702/queue/api/queues/QueueServer.java

@@ -232,6 +232,12 @@ public interface QueueServer {
      */
     void setSupportedProtocols(List<Integer> list);
 
+    /**
+     * Gets the balancer this server is using
+     * @return The balancer this server is using
+     */
+    Balancer getBalancer();
+
 
     /**
      * elliot is bad

common/src/main/java/us/ajg0702/queue/common/QueueManagerImpl.java

@@ -116,7 +116,9 @@ public class QueueManagerImpl implements QueueManager {
             return false;
         }
 
-        if(player.getServerName().equals(server.getName())) {
+        List<AdaptedServer> notInServers = new ArrayList<>(server.getServers());
+        notInServers.removeIf(adaptedServer -> !adaptedServer.getName().equals(player.getServerName()));
+        if(notInServers.size() > 0) {
             player.sendMessage(msgs.getComponent("errors.already-connected", "SERVER:"+server.getAlias()));
             return false;
         }

common/src/main/resources/config.yml

@@ -268,3 +268,12 @@ enable-updater: true
 #  then they will be put in the queue for survival
 # This works for both servers and groups
 slash-servers: []
+
+# What balancer should we use?
+# If a group is not specified here, then the default one is used
+# Example entry: - bedwars: minigame
+# Balancers:
+#  default - Will send the player to the server in the group with the least number of players
+#  minigame - Will send the player to the server with the most players, until that server is full, which it will then send to the next full server
+balancer-types:
+  - bedwars: minigame