Paintball Gun In One Command For 1.16+

summon falling_block ~ ~.5 ~ {Motion:[.0,.5,.0],BlockState:{Name:activator_rail},Time:1,Passengers:[{id:falling_block,BlockState:{Name:redstone_block},Time:1},{id:command_block_minecart,Command:"gamerule commandBlockOutput false"},{id:command_block_minecart,Command:"fill ~2 ~-3 ~-2 ~8 ~1 ~2 blue_terracotta hollow"},{id:command_block_minecart,Command:"fill ~2 ~-2 ~-2 ~8 ~ ~2 barrier replace blue_terracotta"},{id:command_block_minecart,Command:" tellraw @a [\"\",{\"text\":\"Paintball Gun> \",\"color\":\"blue\",\"bold\":false},{\"text\":\"One Command loaded!\",\"color\":\"none\",\"bold\":false}]"},{id:command_block_minecart,Command:" tellraw @a [\"\",{\"text\":\"Paintball Gun> \",\"color\":\"blue\",\"bold\":false},{\"text\":\"Created by BlueCommander!\",\"color\":\"none\",\"bold\":false}]"},{id:command_block_minecart,Command:"scoreboard objectives add BPG_inBlock dummy"},{id:command_block_minecart,Command:"scoreboard objectives add BPG_Changer dummy"},{id:command_block_minecart,Command:"scoreboard objectives add BPG_No minecraft.used:minecraft.bow"},{id:command_block_minecart,Command:"setblock ~1 ~-2 ~ birch_wall_sign[facing=west]{Text1:\"{\\\"text\\\":\\\"[Destroy]\\\",\\\"color\\\":\\\"red\\\",\\\"bold\\\":true}\",Text2:\"{\\\"text\\\":\\\"Right Click\\\",\\\"color\\\":\\\"white\\\",\\\"bold\\\":true}\",Text3:\"{\\\"text\\\":\\\"\\\"}\",Text4:\"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-1 ~-2 ~7 ~3 ~2 air\\\"}}\"}"},{id:command_block_minecart,Command:"setblock ~1 ~-1 ~ birch_wall_sign[facing=west]{Text1:\"{\\\"text\\\":\\\"Paintball Gun\\\",\\\"color\\\":\\\"gold\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/give @p minecraft:bow 1 0\\\"},\\\"bold\\\":true}\",Text2:\"{\\\"text\\\":\\\"By\\\",\\\"color\\\":\\\"white\\\",\\\"bold\\\":true}\",Text3:\"{\\\"text\\\":\\\"Blue\\\",\\\"color\\\":\\\"dark_blue\\\",\\\"bold\\\":true}\",Text4:\"{\\\"text\\\":\\\"Commander\\\",\\\"color\\\":\\\"dark_blue\\\",\\\"bold\\\":true}\"}"},{id:command_block_minecart,Command:"fill ~3 ~-2 ~-1 ~7 ~ ~1 chain_command_block[facing=east]"},{id:command_block_minecart,Command:"setblock ~3 ~ ~ chain_command_block[facing=south]"},{id:command_block_minecart,Command:"fill ~7 ~ ~ ~4 ~ ~ chain_command_block[facing=west]"},{id:command_block_minecart,Command:"setblock ~7 ~ ~-1 chain_command_block[facing=south]"},{id:command_block_minecart,Command:"setblock ~3 ~-1 ~-1 chain_command_block[facing=up]"},{id:command_block_minecart,Command:"fill ~7 ~-1 ~-1 ~4 ~-1 ~-1 chain_command_block[facing=west]"},{id:command_block_minecart,Command:"setblock ~7 ~-1 ~ chain_command_block[facing=north]"},{id:command_block_minecart,Command:"setblock ~3 ~-1 ~1 chain_command_block[facing=north]"},{id:command_block_minecart,Command:"fill ~7 ~-1 ~1 ~4 ~-1 ~1 chain_command_block[facing=west]"},{id:command_block_minecart,Command:"setblock ~7 ~-2 ~1 chain_command_block[facing=up]"},{id:command_block_minecart,Command:"setblock ~3 ~-2 ~ chain_command_block[facing=south]"},{id:command_block_minecart,Command:"fill ~7 ~-2 ~ ~4 ~-2 ~ chain_command_block[facing=west]"},{id:command_block_minecart,Command:"setblock ~7 ~-2 ~-1 chain_command_block[facing=south]"},{id:command_block_minecart,Command:"setblock ~3 ~-2 ~-1 repeating_command_block[facing=east]"},{id:command_block_minecart,Command:"data merge block ~3 ~ ~1 {auto:1,Command:\"kill @e[scores={BPG_inBlock=1..}]\"}"},{id:command_block_minecart,Command:"data merge block ~3 ~ ~ {auto:1,Command:\"execute as @e[scores={BPG_Changer=15,BPG_inBlock=1}] at @s run particle item black_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~4 ~ ~ {auto:1,Command:\"execute as @e[scores={BPG_Changer=14,BPG_inBlock=1}] at @s run particle item red_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~5 ~ ~ {auto:1,Command:\"execute as @e[scores={BPG_Changer=13,BPG_inBlock=1}] at @s run particle item green_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~6 ~ ~ {auto:1,Command:\"execute as @e[scores={BPG_Changer=12,BPG_inBlock=1}] at @s run particle item brown_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~7 ~ ~ {auto:1,Command:\"execute as @e[scores={BPG_Changer=11,BPG_inBlock=1}] at @s run particle item blue_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~7 ~ ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=10,BPG_inBlock=1}] at @s run particle item purple_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~6 ~ ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=9,BPG_inBlock=1}] at @s run particle item cyan_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~5 ~ ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=8,BPG_inBlock=1}] at @s run particle item light_gray_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~4 ~ ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=7,BPG_inBlock=1}] at @s run particle item gray_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~3 ~ ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=6,BPG_inBlock=1}] at @s run particle item pink_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~3 ~-1 ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=5,BPG_inBlock=1}] at @s run particle item lime_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~4 ~-1 ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=4,BPG_inBlock=1}] at @s run particle item yellow_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~5 ~-1 ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=3,BPG_inBlock=1}] at @s run particle item light_blue_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~6 ~-1 ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=2,BPG_inBlock=1}] at @s run particle item magenta_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~7 ~-1 ~-1 {auto:1,Command:\"execute as @e[scores={BPG_Changer=1,BPG_inBlock=1}] at @s run particle item orange_terracotta ~ ~ ~ 0 0 0 0.25 100 force @a\"}"},{id:command_block_minecart,Command:"data merge block ~7 ~-1 ~ {auto:1,Command:\"execute at @e[scores={BPG_Changer=15,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ black_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~6 ~-1 ~ {auto:1,Command:\"execute at @e[scores={BPG_Changer=14,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ red_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~5 ~-1 ~ {auto:1,Command:\"execute at @e[scores={BPG_Changer=13,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ green_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~4 ~-1 ~ {auto:1,Command:\"execute at @e[scores={BPG_Changer=12,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ brown_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~3 ~-1 ~ {auto:1,Command:\"execute at @e[scores={BPG_Changer=11,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ blue_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~3 ~-1 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=10,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ purple_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~4 ~-1 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=9,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ cyan_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~5 ~-1 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=8,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ light_gray_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~6 ~-1 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=7,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ gray_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~7 ~-1 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=6,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ pink_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~7 ~-2 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=5,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ lime_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~6 ~-2 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=4,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ yellow_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~5 ~-2 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=3,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ light_blue_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~4 ~-2 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=2,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ magenta_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~3 ~-2 ~1 {auto:1,Command:\"execute at @e[scores={BPG_Changer=1,BPG_inBlock=1}] run fill ~ ~ ~ ~ ~ ~ orange_terracotta replace\"}"},{id:command_block_minecart,Command:"data merge block ~3 ~-2 ~ {auto:1,Command:\"execute at @e[scores={BPG_inBlock=1},x_rotation=0..90] run tp @e[scores={BPG_inBlock=1..},limit=1,sort=nearest] ~ ~0.05 ~\"}"},{id:command_block_minecart,Command:"data merge block ~4 ~-2 ~ {auto:1,Command:\"execute at @e[scores={BPG_inBlock=1},x_rotation=-90..0] run tp @e[scores={BPG_inBlock=1..},limit=1,sort=nearest] ~ ~-0.05 ~\"}"},{id:command_block_minecart,Command:"data merge block ~5 ~-2 ~ {auto:1,Command:\"execute at @e[scores={BPG_inBlock=1},y_rotation=0..180] run tp @e[scores={BPG_inBlock=1..},limit=1,sort=nearest] ~0.05 ~ ~\"}"},{id:command_block_minecart,Command:"data merge block ~6 ~-2 ~ {auto:1,Command:\"execute at @e[scores={BPG_inBlock=1},y_rotation=180..0] run tp @e[scores={BPG_inBlock=1..},limit=1,sort=nearest] ~-0.05 ~ ~\"}"},{id:command_block_minecart,Command:"data merge block ~7 ~-2 ~ {auto:1,Command:\"execute at @e[scores={BPG_inBlock=1},y_rotation=90..-90] run tp @e[scores={BPG_inBlock=1..},limit=1,sort=nearest] ~ ~ ~-0.05\"}"},{id:command_block_minecart,Command:"data merge block ~7 ~-2 ~-1 {auto:1,Command:\"execute at @e[scores={BPG_inBlock=1},y_rotation=-90..90] run tp @e[scores={BPG_inBlock=1..},limit=1,sort=nearest] ~ ~ ~0.05\"}"},{id:command_block_minecart,Command:"data merge block ~6 ~-2 ~-1 {auto:1,Command:\"scoreboard players set @e[type=arrow,nbt={inGround:1b}] BPG_inBlock 1\"}"},{id:command_block_minecart,Command:"data merge block ~5 ~-2 ~-1 {auto:1,Command:\"scoreboard players set @a[scores={BPG_No=15..}] BPG_No 0\"}"},{id:command_block_minecart,Command:"data merge block ~4 ~-2 ~-1 {auto:1,Command:\"scoreboard players set @a[scores={BPG_Changer=15..}] BPG_Changer 0\"}"},{id:command_block_minecart,Command:"data merge block ~3 ~-2 ~-1 {auto:1,Command:\"execute as @a[scores={BPG_No=1..}] run scoreboard players operation @e[type=minecraft:arrow,sort=nearest,limit=1] BPG_Changer = @s BPG_No\"}"},{id:command_block_minecart,Command:"setblock ~ ~ ~1 command_block{Command:\"fill ~ ~-2 ~-1 ~ ~ ~ air\"}"},{id:command_block_minecart,Command:"setblock ~ ~-1 ~1 redstone_block"},{id:command_block_minecart,Command:"kill @e[type=command_block_minecart,distance=..1]"}]}