import:
	org.bukkit.Bukkit

option nms-version:
  get:
    return Bukkit.getServer().getClass().getPackage().getName().split("\.")[3]

import:
	net.minecraft.server.{@nms-version}.PacketPlayOutEntityDestroy

# For some reason, 'last spawned entity' and 'last spawned entity' does not work for the packet.
# Therefore there needs to be a way to store the the last spawned entity.
on item spawn:
	set {LastSpawnedItem} to event-entity

# Condition to check if a player owns a dropped item
condition %player% cannot pickup[ item of[ entity] ]%entity%:
	check:
		set {_owners} to metadata value "Owner" of expression-2
		set {_owners::*} to {_owners} split by ","
		loop {_owners::*}:
			if "%expression-1%" is loop-value:
				set {_continue} to false
		{_continue} is not set
		continue

# Example pickup event to prevent players from picking up other peoples items.
on pickup:
	metadata value "Owner" of event-entity is set
	if player cannot pickup item of event-entity:
		cancel event

# New effect to drop an item at location for specific players
effect drop %itemstack% at %location% with offset %number%, %number%[,] and %number%(1¦ for %players%|2¦):
	trigger:
		set {_location} to expression-2
		add expression-3 to x coordinate of {_location}
		add expression-4 to y coordinate of {_location}
		add expression-5 to z coordinate of {_location}
		world of {_location}.dropItem({_location}, expression-1)
		if parse mark is 1:
			set {_owners} to ""
			set {_players::*} to all players
			loop expressions-6:
				set {_owners} to "%{_owners}%%loop-value%,"
				remove loop-value from {_players::*}
			set {_owners} to subtext of {_owners} from 1 to (length of {_owners} - 1)
			set metadata value "Owner" of {LastSpawnedItem} to {_owners}
			loop {_players::*}:
				loop-value.getHandle().playerConnection.sendPacket(new PacketPlayOutEntityDestroy({LastSpawnedItem}.getEntityId()))

# Example command for dropping items to specific players
command /dropitem:
	trigger:
		# Drop an item for one specific player
		drop 1 of stone at location of player with offset 0, 3 and 0 for player
		# Drop an item for all players
		drop 1 of stone at location of player with offset 0, 3 and 0
		# Drop an item for several but not all players
		add random player out of all players to {_players::*}
		add random player out of all players to {_players::*}
		add random player out of all players to {_players::*}
		drop 1 of stone at location of player with offset 0, 3, and 0 for {_players::*}