Player.dat format/Item

** : The inventory slot the item is in. ** : Item/Block ID. If not specified, Minecraft changes the item to stone when loading the chunk, or, when using the  command, logs that "Air" was summoned but no entity is actually created. ** : Additional information about the item, discussed more in the subsections of the item structure section. This tag is optional for most items. Unlike other entity or block NBT, this tag is never deserialized and can hold user defined tags that are not used by the game by standard.
 * : Number of items stacked in this inventory slot. Any item can be stacked, including tools, armor, and vehicles. Range is -128 to 127. Values of 1 are not displayed in-game. Values below 1 are displayed in red.

Player.dat格式/物品