#include "ui_extensions.lua"

SplashScreen = {}
SplashScreen.tuxedoLogoDuration = 3.5
SplashScreen.saberLogoDuration= 2.5
SplashScreen.totalLogoShowTime = SplashScreen.tuxedoLogoDuration + SplashScreen.saberLogoDuration

t = nil
showText = nil
done = nil
splashTime = nil
requiredTime = nil

animImage = nil
animPreloaded = nil
animTime = nil

function init()
	t = 0
	showText = 0
	done = false
	splashTime = 20
	requiredTime = SplashScreen.totalLogoShowTime + 1 -- one additional second for warning screen
	
	animImage = "splash/logo-animation.png"
	animPreloaded = false
	animTime = 0.0
end


function tick()
	if animPreloaded then
		t = t + GetTimeStep()
		if InputPressed("any") then
			if t > 2.0 and t < SplashScreen.tuxedoLogoDuration then
				t = SplashScreen.tuxedoLogoDuration
			elseif t > SplashScreen.tuxedoLogoDuration + 1 and t < SplashScreen.saberLogoDuration + SplashScreen.tuxedoLogoDuration then
				t = SplashScreen.saberLogoDuration + SplashScreen.tuxedoLogoDuration
			end
		end
		if t > splashTime or (t > requiredTime and InputPressed("any")) then
			if not done then
				Menu()
				done = true
			end
		end
	end
end


function drawTileAnimation(img, tt, tileWidth, tileHeight, maxFrame)
	local timePerFrame = 0.016667
	local frame = math.min(math.floor(tt / timePerFrame), maxFrame)
	local w, _ = UiGetImageSize(img)
	local tilesX = math.floor(w/tileWidth)
	local x = (frame % tilesX) * tileWidth
	local y = math.floor(frame / tilesX) * tileHeight
	UiImage(img, x, y, x+tileWidth, y+tileHeight)
end


SplashScreen.drawStartTime = 0.0
SplashScreen.drawSaberLogo = function(self, time)
	local fadeOutTime = 1.0
	local fadeInTime = 0.0
	local showTime = 1.5
	UiPush()
		UiAlign("middle center")
		UiTranslateToScreenCenter()
		UiTranslateToScreenMiddle()
		UiColorFilter(1, 1, 1, 1)

		local deltaTime = time - self.drawStartTime
		if deltaTime < fadeOutTime then
			local fade = deltaTime / fadeOutTime
			UiColor(1, 1, 1, fade)
		elseif deltaTime > fadeOutTime + showTime then
			local fade = 1 - (deltaTime - (fadeOutTime + showTime)) / fadeInTime
			UiColor(1, 1, 1, fade)
		else
			UiColor(1, 1, 1, 1)
		end

		UiImageBox("splash/saber_logo.png", 264, 231, 0, 0)
	UiPop()
end

SplashScreen.drawTuxedoLogo = function(self, time, dt)
	local t_from_start = time - self.drawStartTime
	-- show tuxedo logo
	local showTime = 4.0

	if t_from_start > showTime then
		return
	end

	UiPush()
		UiColor(0,0,0)
		UiRect(UiWidth(), UiHeight())

		UiAlign("center middle")
		UiTranslate(UiCenter(), UiMiddle()-70)

		local fade = 1.0
		
		if t_from_start < 3.0 then 
			fade = 1.0
		else
			fade = 0.0
		end

		UiColor(1, 1, 1, fade)

		if t_from_start > 0.2 then
			if animTime == 0 then
				UiSound("splash/logo.ogg")
			end

			drawTileAnimation(animImage, animTime, 256, 256, 89)

			if animTime < 0.4 then
				animTime = animTime + dt * 0.5
			else
				animTime = animTime + dt
			end
		end
		
		if t_from_start > 1.8 and t_from_start < showTime and showText == 0 then
			SetValue("showText", 1, "bounce", 0.5)
		end

		if t_from_start > showTime and showText == 1 then
			showText = 0
		end

		if showText > 0 then
			UiTranslate(0, 160)
			UiColor(1, 1, 1, showText * fade)
			UiScale(1, showText)
			UiImage("splash/logo-text.png")
		end			
	UiPop()
end

SplashScreen.drawWarning = function(self, time)
	local deltaTime = time - self.drawStartTime
	local fade = deltaTime > 1.0 and 1.0 or deltaTime
	UiPush()
		UiColor(0,0,0)
		UiRect(UiWidth(), UiHeight())

		UiTranslate(UiCenter(), UiMiddle() - 90)
		
		local showLargeUI = GetBool("game.largeui")
		local scale = 1
		if showLargeUI then
			scale = 1.3
		end

		UiColorFilter(1, 1, 1, fade)

		UiScale(scale)
		UiAlign("center")

		UiPush()
			UiFont("bold.ttf", 48)
			UiColor(1, 0.2, 0.2)
			UiText("loc@UI_TEXT_WARNING")
		UiPop()
		
		UiTranslate(0, 61/scale)

		UiPush()
			UiTextAlignment("center")
			UiWordWrap(500)
			UiFont("bold.ttf", 24)
			UiColor(1, 1, 1)
			UiText("loc@UI_TEXT_THIS_GAME", true)
			UiTranslate(0, 30)
			UiText("loc@UI_TEXT_TEARDOWN_IS", true)
		UiPop()

		UiTranslate(0, 396/scale)

		UiPush()
			UiFont("bold.ttf", 30)
			UiColor(1, 1, 1)
			UiText("loc@UI_TEXT_PRESS_ANY", true)
		UiPop()

		UiTranslate(0, 105/scale)
		
		UiPush()
			UiFont("bold.ttf", 24)
			UiColor(0.2, 0.2, 0.2)
			UiText("loc@UI_TEXT_COPYRIGHT", true)
		UiPop()
	UiPop()
end

function draw(dt)
	if not animPreloaded then
		UiGetImageSize(animImage)
		animPreloaded = true
		return
	end

	if t < SplashScreen.tuxedoLogoDuration then
		SplashScreen:drawTuxedoLogo(t, dt)
	elseif t > SplashScreen.tuxedoLogoDuration and t < SplashScreen.saberLogoDuration + SplashScreen.tuxedoLogoDuration then
		SplashScreen.drawStartTime = SplashScreen.tuxedoLogoDuration
		SplashScreen:drawSaberLogo(t, dt)
	else
		SplashScreen.drawStartTime = SplashScreen.tuxedoLogoDuration + SplashScreen.saberLogoDuration
		SplashScreen:drawWarning(t)
	end
end