FightSystem_Core/src/de/steamwar/fightsystem/FightSystem.java

@@ -84,6 +84,7 @@ public class FightSystem extends JavaPlugin {
         new PersonalKitCreator();
         new ArrowStopper();
         new ArrowPickup();
+        new BlockFadeListener();
 
         new EnterHandler();
         new TechHider();

FightSystem_Core/src/de/steamwar/fightsystem/listener/BlockFadeListener.java

@@ -0,0 +1,24 @@
+package de.steamwar.fightsystem.listener;
+
+import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.StateDependentListener;
+import org.bukkit.Material;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.BlockFadeEvent;
+
+public class BlockFadeListener implements Listener {
+
+    public BlockFadeListener() {
+        new StateDependentListener(ArenaMode.Check, FightState.All, this);
+    }
+
+    @EventHandler
+    public void onBlockFade(BlockFadeEvent event) {
+        if (event.getBlock().getType() == Material.SNOW_BLOCK || event.getBlock().getType() == Material.SNOW || event.getBlock().getType() == Material.ICE) {
+            event.setCancelled(true);
+        }
+    }
+
+}