local minetest,math,vector,ipairs = minetest,math,vector,ipairs
local pool = {}

local name
minetest.register_on_joinplayer(function(player)
	name = player:get_player_name()
	pool[name] = 0
end)

local name
minetest.register_on_leaveplayer(function(player)
	name = player:get_player_name()
	pool[name] = nil
end)

--The item collection magnet
local name
local pos
local pos2
local diff
local inv
local entity
local tick = false
local function magnet(player)
	--don't magnetize to dead players
	name = player:get_player_name()
	if player:get_hp() > 0 then
		pos = player:get_pos()
		inv = player:get_inventory()
		if tick == true and pool[name] > 0 then
			minetest.sound_play("pickup", {
				to_player = player:get_player_name(),
				gain = 0.4,
				pitch = math.random(60,100)/100
			})
			if pool[name] > 6 then
				pool[name] = 6
			else
				pool[name] = pool[name] - 1
			end
		end
		--radial detection
		for _,object in ipairs(minetest.get_objects_inside_radius({x=pos.x,y=pos.y+0.5,z=pos.z}, 2)) do
			if not object:is_player() then
				entity = object:get_luaentity()
				if entity.name == "__builtin:item" and entity.collectable == true and object:get_luaentity().collected == false then
					pos2 = object:get_pos()
					diff = vector.subtract(pos2,pos).y
					if diff >= 0 and inv:room_for_item("main", entity.itemstring) then
						pool[name] = pool[name] + 1	
						inv:add_item("main", entity.itemstring)
						entity.collector = player:get_player_name()
						entity.collected = true							
						
					end
				elseif not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "experience:orb" then
						entity.collector = player:get_player_name()
						entity.collected = true
				end
			end
		end
	else
		pool[name] = 0
	end
end


minetest.register_globalstep(function(dtime)
	tick = not tick
	for _,player in ipairs(minetest.get_connected_players()) do
		magnet(player)
	end
end)