local FRACUNIT = FRACUNIT
local TICRATE = TICRATE
local k_waypoint = k_waypoint
local k_growshrinktimer = k_growshrinktimer
local k_invincibilitytimer = k_invincibilitytimer

rawset(_G, "alg_enabled" , CV_RegisterVar({
	name = "alg_enabled",
	defaultvalue = "On",
	flags = CV_NETVAR,
	PossibleValue = CV_OnOff
}))

local function NoLapGrief(p, i, s)
	if not alg_enabled.value then return end
	-- Altiami: add extra checks on inflictor and source validity
	if i and i.valid and i.player and i.player.valid
		if s and s.valid and s.player and s.player.valid
			if s.player.kartstuff[k_invincibilitytimer] > 0
			or s.player.kartstuff[k_growshrinktimer] > 0
			or (HugeQuest and s.player.huge > 0) then
				p.laps = $ or 0
				s.player.laps = $ or 0
				if p.laps > s.player.laps -- You lapped the player trying to squish you
					return false
				end
			end
		end
	end
end
addHook("ShouldSpin", NoLapGrief)
addHook("ShouldSquish", NoLapGrief)

addHook("ShouldDamage", function(mo, i, s, d)
	if not alg_enabled.value then return end
	-- Altiami: add extra checks on inflictor and source validity
	if not (mo and mo.valid and mo.player) then return end
	if d < 10000 then
		if (i and i.valid and i.player and i.player.valid) then
			if s and s.valid and s.player and s.player.valid then
				if s.player.kartstuff[k_invincibilitytimer] > 0 then
					mo.player.laps = $ or 0
					s.player.laps = $ or 0
					
					if mo.player.laps > s.player.laps then
						return false
					end
				end
			end
		end
	end
end)

addHook("MobjCollide", function(mo, mo2)
	if not alg_enabled.value then return end
	-- Altiami: add extra checks on inflictor and source validity
	if not (mo and mo.valid and mo.player and mo.player.valid) then return end
	if not (mo2 and mo2.valid and mo2.player and mo2.player.valid) then return end
	local p1 = mo.player
	local p2 = mo2.player
	
	if p2.kartstuff[k_invincibilitytimer] > 0 
	and ((mo2.z <= mo.z + mo.height) and (mo2.z + mo2.height >= mo.z)) then
		p1.laps = $ or 0
		p2.laps = $ or 0
		
		if p1.laps > p2.laps then
			return false
		end
	end
end, MT_PLAYER)

addHook("MobjCollide", function(mo2, mo)
	if not alg_enabled.value then return end
	-- Altiami: add extra checks on inflictor and source validity
	if not (mo and mo.valid and mo.player and mo.player.valid) then return end
	if not (mo2 and mo2.valid and mo2.player and mo2.player.valid) then return end
	local p1 = mo.player
	local p2 = mo2.player
	
	if p2.kartstuff[k_invincibilitytimer] > 0 
	and ((mo2.z <= mo.z + mo.height) and (mo2.z + mo2.height >= mo.z)) then
		p1.laps = $ or 0
		p2.laps = $ or 0
		
		if p1.laps > p2.laps then
			return false
		end
	end
end, MT_PLAYER)