premium logic finished

platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/VelocityMethods.java

@@ -38,7 +38,7 @@ public class VelocityMethods implements PlatformMethods {
     public void sendPluginMessage(AdaptedPlayer player, String channel, String... data) {
         if(player == null) return;
         Player velocityPlayer = ((VelocityPlayer) player).getHandle();
-        ByteArrayDataOutput out = ByteStreams.newDataOutput();
+        @SuppressWarnings("UnstableApiUsage") ByteArrayDataOutput out = ByteStreams.newDataOutput();
         out.writeUTF( channel );
         out.writeUTF(player.getName());
         for(String s : data) {
@@ -109,8 +109,18 @@ public class VelocityMethods implements PlatformMethods {
         return names;
     }
 
+    @Override
+    public String getImplementationName() {
+        return "velocity";
+    }
+
     @Override
     public List<IBaseCommand> getCommands() {
         return plugin.commands;
     }
+
+    @Override
+    public boolean hasPlugin(String pluginName) {
+        return proxyServer.getPluginManager().getPlugin(pluginName.toLowerCase(Locale.ROOT)).isPresent();
+    }
 }

platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/players/VelocityPlayer.java

@@ -10,6 +10,7 @@ import org.jetbrains.annotations.NotNull;
 import us.ajg0702.queue.api.players.AdaptedPlayer;
 import us.ajg0702.queue.api.server.AdaptedServer;
 
+import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
 
@@ -70,6 +71,11 @@ public class VelocityPlayer implements AdaptedPlayer, Audience {
         return handle.getUsername();
     }
 
+    @Override
+    public List<String> getPermissions() {
+        throw new IllegalStateException("AdaptedPlayer#getPermissions cannot be used on velocity");
+    }
+
     @Override
     public Player getHandle() {
         return handle;

platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/server/VelocityServer.java

@@ -10,7 +10,6 @@ import us.ajg0702.queue.api.server.AdaptedServerPing;
 import us.ajg0702.queue.platforms.velocity.players.VelocityPlayer;
 
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.List;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;