Packet Play Server Prepare Crafting Grid

1.12

Packet ID	State	Bound To	Field Name		Field Type		Notes
0x01	Play	Server	Window ID		Byte		The window id.
			Action number		Short		The transaction number. Will be send to the client in a Confirm Transaction packet.
			Array size		Short		Number of elements in the following array
			Return Entry	Item	Array	Slot	The item stack that will be put in the inventory slot
				Crafting Slot		Byte	The crafting slot index in the active container
				Player Slot		Byte	The player slot index in the player inventory
			Array Size		Short		Number of elements in the following array
			Prepare Entry	Item	Array	Slot	The item stack that will be put in the crafting slot
				Crafting Slot		Byte	The crafting slot index in the active container
				Player Slot		Byte	The player slot index in the player inventory