scoreboard players set #a lim 4
function bktsb:rng
scoreboard players operation #a genvar = #a randr
#for debugging
#scoreboard players set #a genvar 0

#11 x 4 x 12, w x h x d
execute if score #a genvar matches 0 run setblock ~5 ~ ~13 minecraft:structure_block{name:"bktsb:nether/bastion1",mode:"LOAD",ignoreEntities:1,rotation:"CLOCKWISE_180"} replace
execute if score #a genvar matches 0 run setblock ~5 ~12 ~ minecraft:command_block{auto:1,Command:"function bktsb:structgen/helpers/gen_bastion_helper",TrackOutput:0}
execute if score #a genvar matches 0 run setblock ~5 ~1 ~13 redstone_block

#10 x 3 x 10
execute if score #a genvar matches 1 run setblock ~5 ~ ~11 minecraft:structure_block{name:"bktsb:nether/bastion2",mode:"LOAD",ignoreEntities:1,rotation:"CLOCKWISE_180"} replace
execute if score #a genvar matches 1 run setblock ~5 ~12 ~ minecraft:command_block{auto:1,Command:"function bktsb:structgen/helpers/gen_bastion_helper",TrackOutput:0}
execute if score #a genvar matches 1 run setblock ~5 ~1 ~11 redstone_block

#11 x 5 x 11
execute if score #a genvar matches 2 run setblock ~5 ~ ~12 minecraft:structure_block{name:"bktsb:nether/bastion3",mode:"LOAD",ignoreEntities:1,rotation:"CLOCKWISE_180"} replace
execute if score #a genvar matches 2 run setblock ~5 ~12 ~ minecraft:command_block{auto:1,Command:"function bktsb:structgen/helpers/gen_bastion_helper",TrackOutput:0}
execute if score #a genvar matches 2 run setblock ~5 ~1 ~12 redstone_block

#19 x 10 x 20
execute if score #a genvar matches 3 run setblock ~9 ~ ~21 minecraft:structure_block{name:"bktsb:nether/bastion4",mode:"LOAD",ignoreEntities:1,rotation:"CLOCKWISE_180"} replace
execute if score #a genvar matches 3 run setblock ~9 ~12 ~ minecraft:command_block{auto:1,Command:"function bktsb:structgen/helpers/gen_bastion_helper",TrackOutput:0}
execute if score #a genvar matches 3 run setblock ~9 ~1 ~21 redstone_block