1.9 CCMP Cave Ins

/summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:"fill ~2 ~-3 ~-1 ~8 ~-1 ~2 cobblestone 0 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-1 ~8 ~-2 ~2 stained_glass 7 replace cobblestone"},{id:MinecartCommandBlock,Command:" /scoreboard objectives add Cave dummy"},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"Cave Ins\\\",\\\"color\\\":\\\"dark_gray\\\",\\\"bold\\\":true}",Text3:"{\\\"text\\\":\\\"by Jragon014\\\",\\\"color\\\":\\\"dark_purple\\\",\\\"italic\\\":true}",Text4:"{\\\"text\\\":\\\"[Click to Remove]\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-1 ~-1 ~7 ~1 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=caveIn] ~ ~ ~ kill @e[type=Item,r=20]"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"/scoreboard players set @a[score_Cave_min=14000] Cave 0"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"/kill @e[type=Bat,score_Cave_min=25]"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"/scoreboard players add @e[tag=caveIn] Cave 1"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/execute @r[type=Bat,tag=caveIn] ~ ~7 ~ /fill ~2 ~2 ~2 ~-2 ~-2 ~-2 gravel 0 replace stone"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/execute @r[type=Bat,tag=caveIn] ~ ~ ~ /fill ~-3 ~-3 ~-3 ~3 ~3 ~3 air 0 replace stone"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/execute @r[type=Bat,tag=caveIn,c=1] ~ ~ ~ /summon Creeper ~ ~ ~ {Fuse:0,ExplosionRadius:4}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/execute @a[score_Cave_min=13990] ~ ~ ~ /summon Bat ~ ~10 ~ {Tags:[\\\"caveIn\\\"],Invulnerable:1,Silent:1}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ repeating_command_block 5 replace {auto:1,Command:"/execute @a ~ 25 ~ /scoreboard players add @a[r=10] Cave 1"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}