From a7aeb26fd0fc2cc92ab24fcc70067ebd5d0a2087 Mon Sep 17 00:00:00 2001
From: Trent Hensler <drtshock13@gmail.com>
Date: Fri, 10 Jun 2016 16:43:48 -0700
Subject: [PATCH] Check build permissions on frostwalking. Resolves #708.

---
 .../listeners/FactionsBlockListener.java         | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/main/java/com/massivecraft/factions/listeners/FactionsBlockListener.java b/src/main/java/com/massivecraft/factions/listeners/FactionsBlockListener.java
index 255cabb2..fbaf2fec 100644
--- a/src/main/java/com/massivecraft/factions/listeners/FactionsBlockListener.java
+++ b/src/main/java/com/massivecraft/factions/listeners/FactionsBlockListener.java
@@ -7,6 +7,7 @@ import com.massivecraft.factions.struct.Relation;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
+import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -129,6 +130,21 @@ public class FactionsBlockListener implements Listener {
         }
     }
 
+    @EventHandler(priority = EventPriority.NORMAL, ignoreCancelled = true)
+    public void onFrostWalker(EntityBlockFormEvent event) {
+        if (event.getEntity() == null || event.getEntity().getType() != EntityType.PLAYER || event.getBlock() == null) {
+            return;
+        }
+
+        Player player = (Player) event.getEntity();
+        Location location = event.getBlock().getLocation();
+
+        // Check if they have build permissions here. If not, block this from happening.
+        if (!playerCanBuildDestroyBlock(player, location, "frost walk", false)) {
+            event.setCancelled(true);
+        }
+    }
+
     private boolean canPistonMoveBlock(Faction pistonFaction, Location target) {
 
         Faction otherFaction = Board.getInstance().getFactionAt(new FLocation(target));