Parkour Shards | Minecraft | 1 Command

/summon falling_block ~ ~1 ~ {Block:"redstone_block",Time:3,Passengers:[{id:"falling_block",Block:"activator_rail",Time:3,Passengers:[{id:"commandblock_minecart",Command:/gamerule commandBlockOutput false},{id:"commandblock_minecart",Command:/scoreboard objectives add ParkourShard dummy},{id:"commandblock_minecart",Command:/fill ~2 ~-2 ~-1 ~5 ~6 ~1 prismarine 1 hollow},{id:"commandblock_minecart",Command:/fill ~2 ~-1 ~-1 ~5 ~5 ~1 stained_glass 3 replace prismarine},{id:"commandblock_minecart",Command:/summon falling_block ~3 ~-1 ~ {Block:repeating_command_block,Data:1,TileEntityData:{Command:Shut up and don't say anything...},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players set @a[m=0] ParkourShard 0},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players set @a[m=1] ParkourShard 0},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players set @a[m=3] ParkourShard 0},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players tag @a remove ParkourGain},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players tag @a add ParkourGain {Inventory:[{tag:{ParkourSpawn:1b}}]}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:5,TileEntityData:{Command:/scoreboard players set @a[m=2,tag=!ParkourGain] ParkourShard 0},Time:1,DropItem:0}]}]}]}]}]}]}},{id:"commandblock_minecart",Command:/summon falling_block ~4 ~-1 ~ {Block:chain_command_block,Data:0,TileEntityData:{Command:kill @e[tag=SpawnShard]},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=SpawnShard] ~ ~ ~ execute @p ~ ~ ~ /spawnpoint @p ~ ~ ~},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/scoreboard players tag @e[type=item] add SpawnShard {Item:{tag:{ParkourSpawn:1b}}}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:clear @a[score_ParkourShard_min=0,score_ParkourShard=0] minecraft:prismarine_crystals 0 1 {ParkourSpawn:1b}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/scoreboard players add @a[m=2] ParkourShard 1},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/give @a[score_ParkourShard_min=1,score_ParkourShard=1] minecraft:prismarine_crystals 1 0 {ParkourSpawn:1b,ench:[{id:-1}],display:{LocName:"Spawnpoint Crystal",Lore:["Drop to set","your spawn..."]}}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/scoreboard players add @a[m=2] ParkourShard 1},Time:1,DropItem:0}]}]}]}]}]}]}},{id:"commandblock_minecart",Command:/setblock ~2 ~-1 ~ minecraft:redstone_lamp},{id:"commandblock_minecart",Command:/setblock ~1 ~-1 ~ minecraft:lever 2},{id:"commandblock_minecart",Command:setblock ~1 ~2 ~ wall_sign 4 0 {Text1:"{\\\"text\\\":\\\"click here\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/particle explode ~3 ~ ~ 1 3 1 .01 75 normal\\\"}}",Text2:"{\\\"text\\\":\\\"to remove\\\",\\\"color\\\":\\\"dark_red\\\"}",Text3:"{\\\"text\\\":\\\"this machine\\\",\\\"color\\\":\\\"dark_red\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-4 ~-1 ~4 ~4 ~1 air\\\"}}"}},{id:"commandblock_minecart",Command:/setblock ~ ~1 ~ command_block 1 0 {auto:1b,Command:fill ~ ~ ~ ~ ~-2 ~ air}},{id:"commandblock_minecart",Command:kill @e[r=2,type=commandblock_minecart]}]}]}