Deny Breaking Banners to avoid dupe glitches in enemy territory

src/main/java/com/massivecraft/factions/cmd/CmdBanner.java

@@ -3,27 +3,23 @@ package com.massivecraft.factions.cmd;
 import com.massivecraft.factions.FPlayer;
 import com.massivecraft.factions.FactionsPlugin;
 import com.massivecraft.factions.struct.Permission;
-import com.massivecraft.factions.util.XMaterial;
 import com.massivecraft.factions.zcore.util.TL;
 import net.milkbowl.vault.economy.Economy;
 import org.bukkit.Material;
+import org.bukkit.OfflinePlayer;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.PlayerInventory;
 import org.bukkit.inventory.meta.ItemMeta;
 
+import java.util.List;
+
 public class CmdBanner extends FCommand {
     public CmdBanner() {
-        super();
-
         this.aliases.add("banner");
         this.aliases.add("warbanner");
-
+        this.requirements = new CommandRequirements.Builder(Permission.BANNER).playerOnly().memberOnly().build();
-        this.requirements = new CommandRequirements.Builder(Permission.BANNER)
-                .playerOnly()
-                .memberOnly()
-                .build();
     }
 
     @Override
@@ -32,45 +28,39 @@ public class CmdBanner extends FCommand {
             context.msg(TL.COMMAND_BANNER_DISABLED);
             return;
         }
+        if (context.faction.getBanner() == null) {
+            context.msg(TL.COMMAND_BANNER_NOBANNER);
+            return;
+        }
         if (!context.fPlayer.hasMoney(FactionsPlugin.getInstance().getConfig().getInt("fbanners.Banner-Cost", 5000))) {
             context.msg(TL.COMMAND_BANNER_NOTENOUGHMONEY);
             return;
         }
-        takeMoney(context.fPlayer, FactionsPlugin.getInstance().getConfig().getInt("fbanners.Banner-Cost", 5000));
+        this.takeMoney(context.fPlayer, FactionsPlugin.getInstance().getConfig().getInt("fbanners.Banner-Cost", 5000));
-
+        this.takeMoney(context.fPlayer, FactionsPlugin.getInstance().getConfig().getInt("fbanners.Banner-Cost", 5000));
-        //ItemStack warBanner = FactionsPlugin.getInstance().createItem(Material.BANNER, 1, (short) 1, FactionsPlugin.getInstance().getConfig().getString("fbanners.Item.Name"), FactionsPlugin.getInstance().getConfig().getStringList("fbanners.Item.Lore"));
-        //BannerMeta bannerMeta = (BannerMeta) warBanner.getItemMeta();
         ItemStack warBanner = context.fPlayer.getFaction().getBanner();
-        if (warBanner != null) {
         ItemMeta warmeta = warBanner.getItemMeta();
         warmeta.setDisplayName(FactionsPlugin.getInstance().color(FactionsPlugin.getInstance().getConfig().getString("fbanners.Item.Name")));
         warmeta.setLore(FactionsPlugin.getInstance().colorList(FactionsPlugin.getInstance().getConfig().getStringList("fbanners.Item.Lore")));
         warBanner.setItemMeta(warmeta);
-
-
-        } else {
-            warBanner = FactionsPlugin.getInstance().createItem(XMaterial.BLACK_BANNER.parseMaterial(), 1, (short) 1, FactionsPlugin.getInstance().getConfig().getString("fbanners.Item.Name"), FactionsPlugin.getInstance().getConfig().getStringList("fbanners.Item.Lore"));
-        }
         context.msg(TL.COMMAND_BANNER_SUCCESS);
         warBanner.setAmount(1);
         context.player.getInventory().addItem(warBanner);
     }
 
-
     public boolean hasMoney(FPlayer fme, int amt) {
         Economy econ = FactionsPlugin.getInstance().getEcon();
         if (econ.getBalance(fme.getPlayer()) >= amt) {
             return true;
-        } else {
+        }
         fme.msg(TL.COMMAND_BANNER_NOTENOUGHMONEY);
         return false;
     }
-    }
 
     public void takeMoney(FPlayer fme, int amt) {
-        if (hasMoney(fme, amt)) {
+        if (this.hasMoney(fme, amt)) {
             Economy econ = FactionsPlugin.getInstance().getEcon();
-            econ.withdrawPlayer(fme.getPlayer(), amt);
+            econ.withdrawPlayer(fme.getPlayer(), (double) amt);
             fme.sendMessage(TL.COMMAND_BANNER_MONEYTAKE.toString().replace("{amount}", amt + ""));
         }
     }
@@ -78,9 +68,9 @@ public class CmdBanner extends FCommand {
     public boolean inventoryContains(Inventory inventory, ItemStack item) {
         int count = 0;
         ItemStack[] items = inventory.getContents();
-        for (int i = 0; i < items.length; i++) {
+        for (ItemStack item1 : items) {
-            if (items[i] != null && items[i].getType() == item.getType() && items[i].getDurability() == item.getDurability()) {
+            if (item1 != null && item1.getType() == item.getType() && item1.getDurability() == item.getDurability()) {
-                count += items[i].getAmount();
+                count += item1.getAmount();
             }
             if (count >= item.getAmount()) {
                 return true;
@@ -89,24 +79,23 @@ public class CmdBanner extends FCommand {
         return false;
     }
 
-
     public void removeFromInventory(Inventory inventory, ItemStack item) {
         int amt = item.getAmount();
         ItemStack[] items = inventory.getContents();
-        for (int i = 0; i < items.length; i++) {
+        for (int i = 0; i < items.length; ++i) {
             if (items[i] != null && items[i].getType() == item.getType() && items[i].getDurability() == item.getDurability()) {
                 if (items[i].getAmount() > amt) {
                     items[i].setAmount(items[i].getAmount() - amt);
                     break;
-                } else if (items[i].getAmount() == amt) {
+                }
+                if (items[i].getAmount() == amt) {
                     items[i] = null;
                     break;
-                } else {
+                }
                 amt -= items[i].getAmount();
                 items[i] = null;
             }
         }
-        }
         inventory.setContents(items);
     }
 
@@ -114,14 +103,14 @@ public class CmdBanner extends FCommand {
         PlayerInventory inventory = p.getInventory();
         ItemStack[] cont = inventory.getContents();
         int i = 0;
-        for (ItemStack item : cont)
+        for (ItemStack item : cont) {
             if (item != null && item.getType() != Material.AIR) {
-                i++;
+                ++i;
+            }
         }
         return 36 - i;
     }
 
-
     @Override
     public TL getUsageTranslation() {
         return TL.COMMAND_BANNER_DESCRIPTION;

src/main/java/com/massivecraft/factions/listeners/FactionsBlockListener.java

@@ -327,6 +327,21 @@ public class FactionsBlockListener implements Listener {
         }
     }
 
+    @EventHandler
+    public void onBannerBreak(BlockBreakEvent e){
+        FPlayer fme = FPlayers.getInstance().getByPlayer(e.getPlayer());
+        if (FactionsPlugin.getInstance().mc17) {
+            return;
+        }
+
+        if(bannerLocations.containsValue(e.getBlock().getLocation())){
+            if(e.getBlock().getType().name().contains("BANNER")) {
+                e.setCancelled(true);
+                fme.msg(TL.BANNER_CANNOT_BREAK);
+            }
+        }
+    }
+
     @EventHandler
     public void onBannerPlace(BlockPlaceEvent e) {
         if (FactionsPlugin.getInstance().mc17) {

src/main/java/com/massivecraft/factions/zcore/util/TL.java

@@ -200,6 +200,8 @@ public enum TL {
     COMMAND_BYPASS_DESCRIPTION("Enable admin bypass mode"),
 
     COMMAND_BANNER_DESCRIPTION("Turn a held banner into a war banner"),
+    BANNER_CANNOT_BREAK("&c&l[!] &7You may not break a faction banner!"),
+    COMMAND_BANNER_NOBANNER("&c&l[!] &cPlease set a banner using /f setbanner"),
     COMMAND_BANNER_NOTENOUGHMONEY("&c&l[!] &7You do&c not&7 have enough money"),
     COMMAND_BANNER_MONEYTAKE("&c&l[!] $&c{amount} &7has been taken from your account."),
     COMMAND_BANNER_SUCCESS("&c&l[!] &7You have created a &c&lWarBanner!"),