Add in "armor ticking"- implement the interface and the armor piece will tick.

Update FML:22dbe41
22dbe41 Fix up mistake that broke all modloading. Nice.

common/net/minecraftforge/common/ITickingArmor.java

@@ -0,0 +1,15 @@
+package net.minecraftforge.common;
+
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.ItemStack;
+import net.minecraft.world.World;
+
+/**
+ * A simple interface to receive ticks from armor items when placed in armor slots.
+ *
+ * @author cpw
+ *
+ */
+public interface ITickingArmor {
+    void onArmorTickUpdate(World worldObj, EntityPlayer player, ItemStack itemStack);
+}

patches/minecraft/net/minecraft/entity/player/InventoryPlayer.java.patch

@@ -0,0 +1,25 @@
+--- ../src_base/minecraft/net/minecraft/entity/player/InventoryPlayer.java
++++ ../src_work/minecraft/net/minecraft/entity/player/InventoryPlayer.java
+@@ -10,6 +10,7 @@
+ import net.minecraft.item.ItemStack;
+ import net.minecraft.nbt.NBTTagCompound;
+ import net.minecraft.nbt.NBTTagList;
++import net.minecraftforge.common.ITickingArmor;
+ 
+ public class InventoryPlayer implements IInventory
+ {
+@@ -337,6 +338,14 @@
+                 this.mainInventory[var1].updateAnimation(this.player.worldObj, this.player, var1, this.currentItem == var1);
+             }
+         }
++
++        for (int i = 0; i < this.armorInventory.length; i++)
++        {
++            if (this.armorInventory[i] != null && this.armorInventory[i].getItem() instanceof ITickingArmor)
++            {
++                ((ITickingArmor)this.armorInventory[i].getItem()).onArmorTickUpdate(this.player.worldObj, this.player, this.armorInventory[i]);
++            }
++        }
+     }
+ 
+     /**