randomly spawn item ball every minute

data/itemballs/functions/loop/every_1200_ticks.mcfunction

@@ -0,0 +1,8 @@
+# runs every 1200 ticks (1 minute)
+
+# select random player to attempt item ball spawn
+function itemballs:spawn/select_player
+tag @a remove itemballs.attempted_spawn
+
+# loop
+schedule function itemballs:loop/every_1200_ticks 1200t

data/itemballs/functions/on_event/on_load.mcfunction

@@ -20,4 +20,5 @@ scoreboard players set #10 itemballs.data 10
 
 # init loops
 function itemballs:loop/every_10_ticks
-function itemballs:loop/every_20_ticks
+function itemballs:loop/every_20_ticks
+function itemballs:loop/every_1200_ticks

data/itemballs/functions/spawn/select_player.mcfunction

@@ -0,0 +1,4 @@
+# attempts to spawn an item ball (executes globally)
+
+# randomly select a player
+execute as @r[tag=!itemballs.attempted_spawn] at @s run function itemballs:spawn/spawn_check

data/itemballs/functions/spawn/spawn_check.mcfunction

@@ -0,0 +1,11 @@
+# attempts to spawn an item ball (executes as randomly selected player)
+
+# get item ball count
+execute store result score #itemballs.item_ball_count itemballs.temp run execute if entity @e[type=minecraft:armor_stand,tag=itemballs.marker,distance=..200]
+
+# fail, find another player
+execute if score #itemballs.item_ball_count itemballs.temp matches 3.. run tag @s add itemballs.attempted_spawn
+execute if entity @s[tag=itemballs.attempted_spawn] run function itemballs:spawn/select_player 
+
+# success
+execute unless entity @s[tag=itemballs.attempted_spawn] run function itemballs:spawn/spawn_item_ball

data/itemballs/functions/spawn/spawn_item_ball.mcfunction

@@ -0,0 +1,13 @@
+# spawns item ball (executes as viable player)
+
+# spawn location marker
+summon minecraft:marker ~ ~ ~ {Tags:["global.ignore","itemballs.spawn_location"]}
+
+# randomly spread
+spreadplayers ~ ~ 50 150 false @e[type=minecraft:marker,tag=itemballs.spawn_location,limit=1,sort=nearest]
+
+# spawn item ball at random location
+execute at @e[type=minecraft:marker,tag=itemballs.spawn_location,limit=1,sort=nearest] run function itemballs:summon/item_ball
+
+# remove spawn location marker
+kill @e[type=minecraft:marker,tag=itemballs.spawn_location]