Add Item#getNBTShareTag (#3342)

* Add Item#getNBTShareTag

* Update comment

patches/minecraft/net/minecraft/item/Item.java.patch

@@ -60,7 +60,7 @@
          return p_77621_1_.func_147447_a(vec3d, vec3d1, p_77621_3_, !p_77621_3_, false);
      }
  
-@@ -426,11 +433,580 @@
+@@ -426,11 +433,592 @@
          return false;
      }
  
@@ -142,6 +142,18 @@
 +    }
 +
 +    /**
++     * Override this method to change the NBT data being sent to the client.
++     * You should ONLY override this when you have no other choice, as this might change behavior client side!
++     *
++     * @param stack The stack to send the NBT tag for
++     * @return The NBT tag
++     */
++    public NBTTagCompound getNBTShareTag(ItemStack stack)
++    {
++        return stack.func_77978_p();
++    }
++
++    /**
 +     * Called before a block is broken.  Return true to prevent default block harvesting.
 +     *
 +     * Note: In SMP, this is called on both client and server sides!
@@ -641,7 +653,7 @@
      public static void func_150900_l()
      {
          func_179214_a(Blocks.field_150348_b, (new ItemMultiTexture(Blocks.field_150348_b, Blocks.field_150348_b, new Function<ItemStack, String>()
-@@ -962,6 +1538,10 @@
+@@ -962,6 +1550,10 @@
          private final float field_78011_i;
          private final int field_78008_j;
  
@@ -652,7 +664,7 @@
          private ToolMaterial(int p_i1874_3_, int p_i1874_4_, float p_i1874_5_, float p_i1874_6_, int p_i1874_7_)
          {
              this.field_78001_f = p_i1874_3_;
-@@ -996,9 +1576,36 @@
+@@ -996,9 +1588,36 @@
              return this.field_78008_j;
          }
  

patches/minecraft/net/minecraft/network/PacketBuffer.java.patch

@@ -0,0 +1,11 @@
+--- ../src-base/minecraft/net/minecraft/network/PacketBuffer.java
++++ ../src-work/minecraft/net/minecraft/network/PacketBuffer.java
+@@ -333,7 +333,7 @@
+ 
+             if (p_150788_1_.func_77973_b().func_77645_m() || p_150788_1_.func_77973_b().func_77651_p())
+             {
+-                nbttagcompound = p_150788_1_.func_77978_p();
++                nbttagcompound = p_150788_1_.func_77973_b().getNBTShareTag(p_150788_1_);
+             }
+ 
+             this.func_150786_a(nbttagcompound);