A few fixes, please update!

common/mekanism/client/ClientTickHandler.java

@@ -12,6 +12,7 @@ import mekanism.api.EnumColor;
 import mekanism.api.IClientTicker;
 import mekanism.client.sound.GasMaskSound;
 import mekanism.client.sound.JetpackSound;
+import mekanism.common.HolidayManager;
 import mekanism.common.Mekanism;
 import mekanism.common.ObfuscatedNames;
 import mekanism.common.PacketHandler;
@@ -55,6 +56,7 @@ import cpw.mods.fml.relauncher.SideOnly;
 public class ClientTickHandler implements ITickHandler
 {
 	public boolean hasNotified = false;
+	public boolean initHoliday = false;
 	
 	public boolean preloadedSounds = false;
 	
@@ -112,6 +114,12 @@ public class ClientTickHandler implements ITickHandler
 		
 		if(mc.theWorld != null)
 		{
+			if((!initHoliday || MekanismClient.ticksPassed % 1200 == 0) && mc.thePlayer != null)
+			{
+				HolidayManager.check();
+				initHoliday = true;
+			}
+			
 			for(EntityPlayer entityPlayer : (List<EntityPlayer>)mc.theWorld.playerEntities)
 			{
 				if(entityPlayer instanceof AbstractClientPlayer)

common/mekanism/common/HolidayManager.java

@@ -0,0 +1,179 @@
+package mekanism.common;
+
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.List;
+
+import mekanism.api.EnumColor;
+import net.minecraft.client.Minecraft;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.util.ChatMessageComponent;
+
+public final class HolidayManager
+{
+	private static Calendar calendar = Calendar.getInstance();
+	private static Minecraft mc = Minecraft.getMinecraft();
+	
+	public static List<Holiday> holidays = new ArrayList<Holiday>();
+	private static List<Holiday> holidaysNotified = new ArrayList<Holiday>();
+	
+	public static void init()
+	{
+		holidays.add(new Christmas());
+		holidays.add(new NewYear());
+		
+		System.out.println("[Mekanism] Initialized HolidayManager.");
+	}
+	
+	public static void check()
+	{
+		try {
+			YearlyDate date = getDate();
+			
+			for(Holiday holiday : holidays)
+			{
+				if(!holidaysNotified.contains(holiday))
+				{
+					if(holiday.getDate().equals(date))
+					{
+						holiday.onEvent(mc.thePlayer);
+						holidaysNotified.add(holiday);
+					}
+				}
+			}
+		} catch(Exception e) {}
+	}
+	
+	private static YearlyDate getDate()
+	{
+		return new YearlyDate(calendar.get(Calendar.MONTH)+1, calendar.get(Calendar.DAY_OF_MONTH));
+	}
+	
+	public static abstract class Holiday
+	{
+		public abstract YearlyDate getDate();
+		
+		public abstract void onEvent(EntityPlayer player);
+	}
+	
+	private static class Christmas extends Holiday
+	{
+		@Override
+		public YearlyDate getDate()
+		{
+			return new YearlyDate(12, 25);
+		}
+		
+		@Override
+		public void onEvent(EntityPlayer player)
+		{
+			String themedLines = getThemedLines(new EnumColor[] {EnumColor.DARK_GREEN, EnumColor.DARK_RED}, 13);
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(themedLines + EnumColor.DARK_BLUE + "[Mekanism]" + themedLines));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(EnumColor.RED + "Merry Christmas, " + EnumColor.DARK_BLUE + player.username + EnumColor.RED + "!"));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(EnumColor.RED + "May you have plenty of Christmas cheer"));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(EnumColor.RED + "and have a relaxing holiday with your"));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(EnumColor.RED + "family :)"));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(EnumColor.DARK_GREY + "-aidancbrady"));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(themedLines + EnumColor.DARK_BLUE + "[=======]" + themedLines));
+		}
+	}
+	
+	private static class NewYear extends Holiday
+	{
+		@Override
+		public YearlyDate getDate()
+		{
+			return new YearlyDate(1, 1);
+		}
+		
+		@Override
+		public void onEvent(EntityPlayer player)
+		{
+			String themedLines = getThemedLines(new EnumColor[] {EnumColor.WHITE, EnumColor.YELLOW}, 13);
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(themedLines + EnumColor.DARK_BLUE + "[Mekanism]" + themedLines));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(EnumColor.AQUA + "Happy New Year, " + EnumColor.DARK_BLUE + player.username + EnumColor.RED + "!"));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(EnumColor.AQUA + "Best wishes to you as we enter this"));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(EnumColor.AQUA + "new and exciting year of 2014! :)"));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(EnumColor.DARK_GREY + "-aidancbrady"));
+			player.sendChatToPlayer(ChatMessageComponent.createFromText(themedLines + EnumColor.DARK_BLUE + "[=======]" + themedLines));
+		}
+	}
+	
+	public static enum Month
+	{
+		JANUARY("January"), 
+		FEBRUARY("February"), 
+		MARCH("March"), 
+		APRIL("April"), 
+		MAY("May"), 
+		JUNE("June"), 
+		JULY("July"), 
+		AUGUST("August"), 
+		SEPTEMBER("September"), 
+		OCTOBER("October"), 
+		NOVEMBER("November"), 
+		DECEMBER("December");
+		
+		private final String name;
+		
+		private Month(String n)
+		{
+			name = n;
+		}
+		
+		public String getName()
+		{
+			return name;
+		}
+		
+		public int month()
+		{
+			return ordinal()+1;
+		}
+	}
+	
+	public static class YearlyDate
+	{
+		public Month month;
+		
+		public int day;
+		
+		public YearlyDate(Month m, int d)
+		{
+			month = m;
+			day = d;
+		}
+		
+		public YearlyDate(int m, int d)
+		{
+			this(Month.values()[m-1], d);
+		}
+		
+		@Override
+		public boolean equals(Object obj)
+		{
+			return obj instanceof YearlyDate && ((YearlyDate)obj).month == month && ((YearlyDate)obj).day == day;
+		}
+		
+		@Override
+		public int hashCode()
+		{
+			int code = 1;
+			code = 31 * code + month.ordinal();
+			code = 31 * code + day;
+			return code;
+		}
+	}
+	
+	private static String getThemedLines(EnumColor[] colors, int amount)
+	{
+		StringBuilder builder = new StringBuilder();
+		
+		for(int i = 0; i < amount; i++)
+		{
+			builder.append(colors[i%colors.length] + "-");
+		}
+		
+		return builder.toString();
+	}
+}

common/mekanism/common/Mekanism.java

@@ -1174,6 +1174,9 @@ public class Mekanism
 		//Get data from server.
 		new ThreadGetData();
 		
+		//Initiate the HolidayManager for seasonal greetings.
+		HolidayManager.init();
+		
 		//Register to receive subscribed events
 		MinecraftForge.EVENT_BUS.register(this);