Messing with Mob Equipment in Vanilla
I'm wondering if anyone knows of a way to equip a mob with an item that already exists using vanilla minecraft 1.8 commands. Specifically, if an Item entity is on the ground, is there a way to put that into an Equipment slot on a mob?
This would be infinitely useful, as I'm trying to find a way to add enchantments and attributes while a mob is wearing the item, or at least place a an item with a large number of possible combination of enchantments on a mob.
To be absolutely clear, I'm aware of the /replaceitem command, which is the closest thing I could find to what I'm looking for in order to accomplish what I want. The {Equipment:[{},{},{},{},{}]} NBT tag doesn't allow you to access 1 slot without changing the rest of the items, which doesn't work for what I'm trying to do.
Best Answer
To make a mob able to pick up gear:
/entitydata @e[name=ENTITYNAME] {CanPickUpLoot:1b}
If the mob already has something in the slot you want to fill, use /replaceitem to get rid of it:
/replaceitem entity @e[name=ENTITYNAME] slot.armor.head air
Then teleport the item to the mob:
/tp @e[type=Item] @e[name=ENTITYNAME]
You'll probably want to put more arguments into the item selector to only select the item you want.
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