--[[ deaths counter.lua
Author: birbhorse, aka EeveeEuphoria

replaces the lives counter with a death counter, while also giving the player infinite lives
does not apply to game modes where lives aren't applicable

]]--


-- [[ player logic ]] --

addHook("PlayerThink", function(player)	if not ((gametyperules & GTR_LIVES) or (gametyperules & GTR_RACE)) hud.enable("lives") return end
	if player.playerstate == PST_DEAD and not player.DCMod.timer
		player.DCMod.deaths = $ + 1
	end
	
	if player.playerstate == PST_DEAD and not player.DCMod.reverse
		player.DCMod.timer = $ + 1
		player.DCMod.Died = true
	end

	
	if player.DCMod.reverse
		if player.playerstate != PST_DEAD
			player.DCMod.timer2 = $ + 1
			if player.DCMod.timer2 > TICRATE*2
				if player.DCMod.timer < TICRATE
					player.DCMod.timer = $ + 1
				else
					player.DCMod.reverse = false
					player.DCMod.timer = 0
				end
			end
		else
			player.DCMod.reverse = false
			player.DCMod.timer = 0
		end
	end
	
	if (player.pflags & PF_FINISHED) or stoppedclock
		player.DCMod.timer = $ + 1
	end

end)


addHook("PlayerSpawn", function(player) 
	if not ((gametyperules & GTR_LIVES) or (gametyperules & GTR_RACE)) hud.enable("lives") return end
	
	hud.disable("lives")
	player.lives = INFLIVES

	if not player.DCMod
		player.DCMod = {}
		player.DCMod.deaths = 0
		player.DCMod.Died = true
		
		player.DCMod.CurrentLevel = gamemap 
	end
	
	if player.DCMod.CurrentLevel != gamemap
		player.DCMod.CurrentLevel = gamemap 
		player.DCMod.deaths = 0
		player.DCMod.Died = true
	end
	
	
	if not player.DCMod.Died -- detects if a player hit the "retry" button in single player
		player.DCMod.deaths = $ + 1
	else
		player.DCMod.Died = false
	end


	player.DCMod.timer = 0
	player.DCMod.timer2 = 0
	player.DCMod.reverse = true

end)

-- [[ hud logic ]] --

hud.add(function(v, player, cam) if not ((gametyperules & GTR_LIVES) or (gametyperules & GTR_RACE)) hud.enable("lives") return end
	
	if player.bot return end
	if not (player.mo and player.mo.valid and player and player.valid) return end -- just for in case, srb2 can be weird about this 

	local function CheckPause() -- detect if game is paused, if so, halt all operations, unless the game is alt-tabbed for some fucking reason
		if menuactive and not netgame return true end
		if paused return true end
		--if focuslost return true end
		return false
	end
	
	v.TickDownValue = 20 -- after this amount of tics, assuming it's less than TICRATE, the sine formula will start to go in reverse, aka negative values
	v.TimerPlus = 65 -- additional value added to sinmath value, to increase the amount of time it's actually been since things started for that value alone
	
	if v.xoffset == nil
		v.xoffset = 0
		v.yoffset = 176*FRACUNIT
	end

	if not CheckPause()
		if player.DCMod.timer == 0
			if player.DCMod.reverse
				v.yoffset = 176*FRACUNIT
			else
				v.yoffset = 200*FRACUNIT
			end
		else
			if player.DCMod.reverse
				if player.DCMod.timer <= TICRATE
					v.tickerdown = 15 - player.DCMod.timer
					v.SinMath = (FRACUNIT/3)*(player.DCMod.timer+(v.TimerPlus*2))
					v.yoffset = $ - (v.tickerdown * 100)*sin(v.SinMath)
				end
			else
				if player.DCMod.timer <= TICRATE
					v.tickerdown = v.TickDownValue - player.DCMod.timer
					v.SinMath = (FRACUNIT)*(player.DCMod.timer+v.TimerPlus)
					v.yoffset = $ - (v.tickerdown * 85)*sin(v.SinMath)
					if player.DCMod.timer > v.TickDownValue 
						if v.yoffset > 176*FRACUNIT
							v.yoffset = 176*FRACUNIT
						end
					end
				end
			end
		end
	end

	local lifeicon = v.getSprite2Patch(player.mo.skin, "XTRA", A)
	local colormap = v.getColormap(player.mo.skin, player.mo.color)
	local xicon = v.cachePatch("stlivex")
	
	v.drawScaled((16+v.xoffset)*FRACUNIT, v.yoffset, FRACUNIT/2, lifeicon, V_SNAPTOLEFT|V_SNAPTOBOTTOM, colormap)  -- life icon
	v.drawScaled((38+v.xoffset)*FRACUNIT, v.yoffset + (9*FRACUNIT), FRACUNIT, xicon, V_SNAPTOLEFT|V_SNAPTOBOTTOM)  -- "X"
	v.drawString((34+v.xoffset), (v.yoffset/FRACUNIT) + 0, "DEATHS", V_SNAPTOLEFT|V_SNAPTOBOTTOM|V_YELLOWMAP)  -- text
	v.drawString((58+v.xoffset), (v.yoffset/FRACUNIT) + 8, player.DCMod.deaths, V_SNAPTOLEFT|V_SNAPTOBOTTOM) -- number

end, "game")