Giving players one arrow every two seconds, possibly with /replaceitem
So, I need o give players one arrow every two seconds, but with a maximum of two arrows in the inventory. To do this, I tried adding a scoreboard objective called
ArrowN and setting the score to 1 if the player has one arrow and to 2 if the player has two arrow. Then every two seconds replacing with two arrows if the player has an ArrowN score of 1 and not replacing if he has a score of 2. Now, I couldn't get how to set a score of 0 for a player that has no arrows, to replace him one arrow. Something like this just works for a half:
scoreboard objectives set @a[score_ArrowN=!1,score_ArrowN=!2] ArrowN 0
I think operation could be useful, but i can't use that command.
Note: it must be multiplayer friendly
Edit:probably using /give is a lot easier but I don't like having arrows popping on your face every two seconds
Best Answer
One way to do this would be to set up a command block to give everyone an arrow every 2 seconds, then in a repeating command block put:/scoreboard players set @a Arrows 1 {Inventory:[{id:minecraft:arrow,Count:3b}]}
and then:clear @a[score_Arrows_min=1] minecraft:arrowgive @a[score_Arrows_min=1] minecraft:arrow 2/scoreboard players set @a[score_Arrows_min=1] Arrows 0
in command blocks in a fill clock so that they all trigger on the same tick, in this order. (if you are on the 1.9 snapshots, you can replace a fill clock with a command chain and the Arrows score with a tag)
This is not ideal, and if a player gets more than 3 arrows somehow, they will keep getting arrows forever, but without the ability to check negated NBT, such as {Inventory:[{Count:!2b}]}, I think this is your best bet.
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What is the replaceitem command in minecraft?
You can use the /replaceitem command to instanty replace one item with another item. You can replace armor items worn, weapons held in your hands, items stored in chests and items in your inventory/hotbar. This is a great way to quickly put armor on a player during a Minecraft battle or change out a worn out weapon.What is slotId int?
Specifies the inventory slot to be modified. Valid values depend on whether a block or an entity is being modified. See Slot for details. slotId: int must be a 32-bit integer number. And it must be between -2147483648 and 2147483647 (inclusive).\
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