options:
	P: &7[&9BigRiver&7]&r
	Start1: &b%command sender%&r in &b%arg-3%:&r Radius: &b%arg-1%&r | Width: &b%arg-2%
	Start2: Get away from the BigRiver! Your game may crash!
	Cancel: River generation cancelled by &b%{BigRiver.Cancel}%!
	Cancelling: Cancelling BigRiver generation!
	Message.Delay: 5 seconds

command /bigriver <text> [<integer>] [<world>]:
	usage: /bigriver <map radius> <crack radius> <world> | /BigRiver cancel
	permission: skript.bigriver
	trigger:
		if arg-1 is "cancel":
			if {BigRiver.Running} is true:
				set {BigRiver.Cancel} to true
				stop trigger
			else:
				message "{@P} No generation is in progress!"
				stop trigger
		if arg-1 is set:
			if arg-2 is not set:
				message "{@P} /bigriver <map radius> <crack radius> <world>"
				stop trigger

		broadcast "{@P} {@Start1}"
		broadcast "{@P} {@Start2}"
		set {BigRiver.Running} to true
		set {_MapRadius} to arg-1 parsed as integer
		set {_CrackRadius} to arg-2
		set {_World} to arg-3
		set {_TotalSlice} to 0
		set {_Slice} to 0
		if {_MapRadius} is less than 250:
			set {_Buffer} to 10
		else if {_MapRadius} is less than 500:
			set {_Buffer} to 6
		else if {_MapRadius} is less than 1000:
			set {_Buffer} to 4
		else:
			set {_Buffer} to 2
		wait 5 ticks
		set {_Tick} to now
		set {_Notify} to now

		loop 256 times:
			if {BigRiver.Cancel} is set:
				set {BigRiver.Cancel} to (name of command sender)
				message "{@P} {@Cancelling}"
				broadcast "{@P} {@Cancel}"
				delete {BigRiver.Running}
				delete {BigRiver.Cancel}
				stop trigger

			loop blocks from (block at (the location at ({_MapRadius}-0.5), (256-(loop-number)), ({_CrackRadius}-0.5) of the world {_World})) to (block at (the location at ({_MapRadius}-0.5), (256-(loop-number)), (0-{_CrackRadius}+0.5) of the world {_World})):
				loop blocks from loop-block-1 to (block (({_MapRadius}*2)-1) west of loop-block-1):
					set loop-block-2 to air
					y-coordinate of loop-block-2 is less than 64
					set loop-block-2 to water

				add 1 to {_Slice}
				if {_Slice} is equal to {_Buffer}:
					add {_Slice} to {_TotalSlice}
					set {_Slice} to 0
					if {_Notify} was more than {@Message.Delay} ago:
						set {_Notify} to now
						broadcast "{@P} Progress: &bSlice %(loop-number)%/256"
					wait 1 tick

		broadcast "{@P} River generation finished!"
		delete {BigRiver.Running}
		delete {BigRiver.Cancel}


on physics:
	{BigRiver.Running} is true
	cancel the event