Method onCreated

src/main/java/net/minecraft/item/ItemMap.java:262–281

Called when item is crafted/smelted. Used only by maps so far.

(ItemStack stack, World worldIn, EntityPlayer playerIn)

     * Called when item is crafted/smelted. Used only by maps so far.
     */
    public void onCreated(ItemStack stack, World worldIn, EntityPlayer playerIn)
    {
        if (stack.hasTagCompound() && stack.getTagCompound().getBoolean("map_is_scaling"))
        {
            MapData mapdata = Items.filled_map.getMapData(stack, worldIn);
            stack.setItemDamage(worldIn.getUniqueDataId("map"));
            MapData mapdata1 = new MapData("map_" + stack.getMetadata());
            mapdata1.scale = (byte)(mapdata.scale + 1);

            if (mapdata1.scale > 4)
            {
                mapdata1.scale = 4;
            }

            mapdata1.calculateMapCenter(mapdata.xCenter, mapdata.zCenter, mapdata1.scale);
            mapdata1.dimension = mapdata.dimension;
            mapdata1.markDirty();
            worldIn.setItemData("map_" + stack.getMetadata(), mapdata1);
        }
    }

    /**
     * allows items to add custom lines of information to the mouseover description