Avoid some magic values and suppress warnings for the rest.

src/com/massivecraft/factions/cmd/CmdFactionsSeeChunk.java

@@ -56,12 +56,13 @@ public class CmdFactionsSeeChunk extends FCommand
 		msg("<i>Visualized %s", chunk.toString(PSFormatHumanSpace.get()));
 	}
 	
+	@SuppressWarnings("deprecation")
 	public static void showPillar(Player player, World world, int blockX, int blockZ)
 	{
 		for (int blockY = 0; blockY < world.getMaxHeight(); blockY++)
 		{
 			Location loc = new Location(world, blockX, blockY, blockZ);
-			if (loc.getBlock().getTypeId() != 0) continue;
+			if (loc.getBlock().getType() != Material.AIR) continue;
 			int typeId = blockY % 5 == 0 ? Material.GLOWSTONE.getId() : Material.GLASS.getId();
 			VisualizeUtil.addLocation(player, loc, typeId);
 		}

src/com/massivecraft/factions/listeners/FactionsListenerExploit.java

@@ -41,6 +41,7 @@ public class FactionsListenerExploit implements Listener
 	// OBSIDIAN GENERATORS
 	// -------------------------------------------- //
 	
+	@SuppressWarnings("deprecation")
 	@EventHandler(priority = EventPriority.NORMAL, ignoreCancelled = true)
 	public void obsidianGenerators(BlockFromToEvent event)
 	{
@@ -52,7 +53,7 @@ public class FactionsListenerExploit implements Listener
 		int target = block.getTypeId();
 		if ((target == 55 || target == 132) && (source == 0 || source == 10 || source == 11))
 		{
-			block.setTypeId(0);
+			block.setType(Material.AIR);
 		}
 	}
 
@@ -106,6 +107,7 @@ public class FactionsListenerExploit implements Listener
 	// this optional change below provides workaround for waterwalling providing perfect protection,
 	// and makes cheap (non-obsidian) TNT cannons require minor maintenance between shots
 	
+	@SuppressWarnings("deprecation")
 	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
 	public void tntWaterlog(EntityExplodeEvent event)
 	{

src/com/massivecraft/factions/listeners/FactionsListenerMain.java

@@ -688,7 +688,7 @@ public class FactionsListenerMain implements Listener
 	public void blockFireSpread(BlockSpreadEvent event)
 	{
 		// If fire is spreading ...
-		if (event.getNewState().getTypeId() != 51) return;
+		if (event.getNewState().getType() != Material.FIRE) return;
 		
 		// ... consider blocking it.
 		blockFireSpread(event.getBlock(), event);

src/com/massivecraft/factions/util/VisualizeUtil.java

@@ -37,12 +37,14 @@ public class VisualizeUtil
 	// SINGLE
 	// -------------------------------------------- //
 	
+	@SuppressWarnings("deprecation")
 	public static void addLocation(Player player, Location location, int typeId, byte data)
 	{
 		getPlayerLocations(player).add(location);
 		player.sendBlockChange(location, typeId, data);
 	}
 	
+	@SuppressWarnings("deprecation")
 	public static void addLocation(Player player, Location location, int typeId)
 	{
 		getPlayerLocations(player).add(location);
@@ -53,6 +55,7 @@ public class VisualizeUtil
 	// MANY
 	// -------------------------------------------- //
 	
+	@SuppressWarnings("deprecation")
 	public static void addLocations(Player player, Map<Location, Integer> locationMaterialIds)
 	{
 		Set<Location> ploc = getPlayerLocations(player);
@@ -63,6 +66,7 @@ public class VisualizeUtil
 		}
 	}
 	
+	@SuppressWarnings("deprecation")
 	public static void addLocations(Player player, Collection<Location> locations, int typeId)
 	{
 		Set<Location> ploc = getPlayerLocations(player);
@@ -73,6 +77,7 @@ public class VisualizeUtil
 		}
 	}
 	
+	@SuppressWarnings("deprecation")
 	public static void addBlocks(Player player, Collection<Block> blocks, int typeId)
 	{
 		Set<Location> ploc = getPlayerLocations(player);
@@ -88,6 +93,7 @@ public class VisualizeUtil
 	// CLEAR
 	// -------------------------------------------- //
 	
+	@SuppressWarnings("deprecation")
 	public static void clear(Player player)
 	{
 		Set<Location> locations = getPlayerLocations(player);