-- 'nofall' by rock5
--     Version 1

local originalFallBytes
local nofalladdress = addresses.swimAddress - 0x589
local numbytes = 12

local function getOldBytes()
	if originalFallBytes ~= nil then
		return originalFallBytes
	end

	local tmp = {}
	for i = 1,numbytes do
		tmp[i] = memoryReadUByte(getProc(),nofalladdress+(i-1))
	end
	if tmp[1] == 0x90 then
		print("Bot restarted with 'nofall' on. Will not be able to turn off 'nofall'.")
		return false
	else
		originalFallBytes = tmp
		return originalFallBytes
	end
end

function nofall()
	local bytes = getOldBytes()
	if bytes == false then
		return
	end

	memoryWriteString(getProc(), nofalladdress, string.rep(string.char(0x90),#originalFallBytes));
end

function nofalloff()
	local bytes = getOldBytes()
	if bytes == false then
		return
	end

	memoryWriteString(getProc(), nofalladdress, string.char(unpack(bytes)));
end

function nofallsuicide()
	-- Turn on 'nofall'
	nofall()

	-- Teleport up relative to current position
	teleport(nil,nil,30,false)

	-- Wait till death
	repeat
		yrest(800)
		player:update()
	until not player.Alive

	-- Restore 'nofall' state.
	nofalloff()
end