Added Corner Command, Spam Prevent System, Members Upgrade Redone

src/main/java/com/massivecraft/factions/util/CornerTask.java

@@ -0,0 +1,34 @@
+package com.massivecraft.factions.util;
+
+import com.massivecraft.factions.FLocation;
+import com.massivecraft.factions.FPlayer;
+import com.massivecraft.factions.zcore.util.TL;
+import org.bukkit.scheduler.BukkitRunnable;
+
+import java.util.List;
+
+public class CornerTask extends BukkitRunnable {
+    private FPlayer fPlayer;
+    private List<FLocation> surrounding;
+    private int amount;
+
+    public CornerTask(FPlayer fPlayer, List<FLocation> surrounding) {
+        this.amount = 0;
+        this.fPlayer = fPlayer;
+        this.surrounding = surrounding;
+    }
+
+    public void run() {
+        if (surrounding.isEmpty()) {
+            fPlayer.sendMessage(TL.COMMAND_CORNER_CLAIMED.format(amount));
+            cancel();
+        } else if (fPlayer.isOffline()) {
+            cancel();
+        } else {
+            FLocation fLocation = surrounding.remove(0);
+            if (fPlayer.attemptClaim(fPlayer.getFaction(), fLocation, true)) {
+                ++amount;
+            }
+        }
+    }
+}