Implemented splash screen

scripts/common/common.lua

@@ -27,8 +27,25 @@ local function filter(tableIn, predicate)
     return out
 end
 
+local function clamp(x, min, max)
+    if x < min then
+        x = min
+    end
+    if x > max then
+        x = max
+    end
+
+    return x
+end
+
+local function round(num)
+    return num + (2^52 + 2^51) - (2^52 + 2^51)
+end
+
 return {
     stopMusic = stopMusic,
     splitString = splitString,
-    filter = filter
+    filter = filter,
+    clamp = clamp,
+    round = round
 }

scripts/titlescreen.lua

@@ -21,7 +21,7 @@ local screens = {
 local currentScreen = screens.splash;
 
 
-local handleScreenResponse = function (res)
+local function handleScreenResponse(res)
     if (res.eventType == 'switch') then
         if (not screens[res.toScreen]) then
             game.Log('Undefined screen ' .. res.toScreen, game.LOGGER_ERROR);

scripts/titlescreen/splash.lua

@@ -1,29 +1,140 @@
+local Common = require("common.common")
+local Dim = require("common.dimensions")
+local BGPattern = require("components.wallpaper")
+local Easing = require("common.easing")
 
-local splash1Image = gfx.CreateSkinImage('titlescreen/splash/splash1.png', 0);
+local splash1BgColor = {182, 0, 20}
+local splash1Logo = gfx.CreateSkinImage("titlescreen/splash/ksm.png", 0)
+local splash1LogoWidth, splash1LogoHeight = gfx.ImageSize(splash1Logo)
 
-local splashTimer = 5;
+local splash2BgColor = {255, 255, 255}
+local splash2Logo = gfx.CreateSkinImage("titlescreen/splash/usc2.png", 0)
+local splash2LogoWidth, splash2LogoHeight = gfx.ImageSize(splash2Logo)
 
-game.LoadSkinSample('titlescreen/splash/splash1.wav');
+local splashState = "init"
-local splash1SfxPlayed = false;
+local splashTimer = 0
+local fadeDuration = 0.5
+local fadeAlpha = 0
+local splashInitDuration = 1
+local splash1Duration = 4
+local splash2Duration = 4
 
-render = function (deltaTime)
+game.LoadSkinSample("titlescreen/splash/splash1.wav")
-    gfx.BeginPath();
+local splash1SfxPlayed = false
-    gfx.ImageRect(0, 0, 1080, 1920, splash1Image, 1, 0);
 
-    splashTimer = splashTimer - deltaTime
+local function calcFade(splashDuration)
+    local t = splashDuration - splashTimer
+    if t < fadeDuration then
+        game.Log("fade in: ", game.LOGGER_ERROR)
+        fadeAlpha = Easing.linear(t, 0, 255, fadeDuration) -- fade in
+    elseif splashTimer < fadeDuration then
+        game.Log("fade out: ", game.LOGGER_ERROR)
+        fadeAlpha = Easing.linear(splashTimer, 0, 255, fadeDuration) -- fade out
+    else
+        --fadeAlpha = 255
+    end
+    fadeAlpha = Common.round(Common.clamp(fadeAlpha, 0, 255))
+end
 
-    if (not splash1SfxPlayed) then
+local function initSplash(deltaTime)
-        splash1SfxPlayed = true;
+    if (splashTimer < 0) then
-        game.PlaySample('titlescreen/splash/splash1.wav');
+        splashState = "splash1"
+        splashTimer = 0
+        return
     end
 
+    if splashTimer == 0 then
+        splashTimer = splashInitDuration
+    end
+
+    splashTimer = splashTimer - deltaTime
+end
+
+local function splash1(deltaTime)
+    local splash1LogoXOffset = (Dim.design.width - splash1LogoWidth) / 2
+    local splash1LogoYOffset = (Dim.design.height - splash1LogoHeight) / 2
+
+    calcFade(splash1Duration)
+
+    gfx.BeginPath()
+    gfx.Rect(0, 0, Dim.design.width, Dim.design.height)
+    gfx.FillColor(splash1BgColor[1], splash1BgColor[2], splash1BgColor[3], fadeAlpha)
+    gfx.Fill()
+
+    gfx.BeginPath()
+    gfx.ImageRect(splash1LogoXOffset, splash1LogoYOffset, splash1LogoWidth, splash1LogoHeight, splash1Logo, fadeAlpha / 255, 0)
+
     if (splashTimer < 0) then
-        splash1SfxPlayed = false;
+        splashState = "splash2"
-        splashTimer = 5;
+        splash1SfxPlayed = false
+        splashTimer = 0
+        return
+    end
+
+    if splashTimer == 0 then
+        splashTimer = splash1Duration
+    end
+
+    if not splash1SfxPlayed then
+        game.PlaySample("titlescreen/splash/splash1.wav")
+        splash1SfxPlayed = true
+    end
+
+    splashTimer = splashTimer - deltaTime
+end
+
+local function splash2(deltaTime)
+    local splash2LogoXOffset = (Dim.design.width - splash2LogoWidth) / 2
+    local splash2LogoYOffset = (Dim.design.height - splash2LogoHeight) / 2
+
+    calcFade(splash2Duration)
+
+    gfx.BeginPath()
+    gfx.Rect(0, 0, Dim.design.width, Dim.design.height)
+    gfx.FillColor(splash2BgColor[1], splash2BgColor[2], splash2BgColor[3], fadeAlpha)
+    gfx.Fill()
+
+    gfx.BeginPath()
+    gfx.ImageRect(splash2LogoXOffset, splash2LogoYOffset, splash2LogoWidth, splash2LogoHeight, splash2Logo, fadeAlpha / 255, 0)
+
+    if (splashTimer < 0) then
+        splashState = "done"
+        splashTimer = 0
+        return
+    end
+
+    if splashTimer == 0 then
+        splashTimer = splash2Duration
+    end
+
+    splashTimer = splashTimer - deltaTime
+end
+
+function render(deltaTime)
+    Dim.updateResolution()
+
+    BGPattern.render()
+
+    gfx.BeginPath()
+    Dim.transformToDesignSpace()
+    gfx.Rect(0, 0, Dim.design.width, Dim.design.height)
+    gfx.FillColor(0, 0, 0)
+    gfx.Fill()
+
+    if splashState == "init" then
+        initSplash(deltaTime)
+    elseif splashState == "splash1" then
+        splash1(deltaTime)
+    elseif splashState == "splash2" then
+        splash2(deltaTime)
+    elseif splashState == "done" then
         return {
-            eventType = 'switch',
+            eventType = "switch",
-            toScreen = 'title'
+            toScreen = "title"
         }
+    else
+        game.Log("Splash screen state error, splashState: " .. splashState, game.LOGGER_ERROR)
+        splashState = "done"
     end
 end