feat: add overlay

sonic-radiance.love/game/modules/gui/overlay.lua

@@ -0,0 +1,96 @@
+local GuiScreen = require "birb.modules.gui.screen"
+local TextureElement = require "birb.modules.gui.elements.drawable"
+local ColorElement = require "birb.modules.gui.elements.color"
+local TextElement = require "birb.modules.gui.elements.text"
+
+local OverlayScreen = GuiScreen:extend()
+
+local gui         = require "game.modules.gui"
+local either      = utils.math.either
+
+local OVERLAY_OPACITY = 0.5
+local wasActive = false
+local hadVersion = false
+
+local animateAppear = {
+    {"upBorder", "movement", 0.0, 0.5, 0, 30, "inOutQuart"},
+    {"downBorder", "movement", 0.0, 0.5, 424, 210, "inOutQuart"}
+}
+
+local animateDisappear = {
+    {"upBorder", "movement", 0.0, 0.5, 0, 0, "inOutQuart"},
+    {"downBorder", "movement", 0.0, 0.5, 424, 240, "inOutQuart"},
+    {"version", "movement", 0.0, 0.5, 380, 250, "inOutQuart"},
+    {"overlayDarken", "tween", 0.0, 0.4, {opacity = 0}, "outExpo"}
+}
+
+local showBackground = {
+    {"overlayDarken", "tween", 0.0, 0.4, {opacity = OVERLAY_OPACITY}, "inExpo"}
+}
+
+local hideBackground = {
+    {"overlayDarken", "tween", 0.0, 0.4, {opacity = 0}, "outExpo"}
+}
+
+local showVersion = {
+    {"version", "movement", 0.0, 0.5, 380, 220, "inOutQuart"},
+}
+
+local hideVersion = {
+    {"version", "movement", 0.0, 0.5, 380, 250, "inOutQuart"},
+}
+
+function OverlayScreen:new(active, doShowVersion)
+    self.borders = gui.newBorder(424, 30, 8)
+    self.doShowVersion = doShowVersion
+
+    OverlayScreen.super.new(self, "overlay")
+
+    local transformStuff = false
+    if (active == wasActive) then
+        self.isVisible = active
+    else
+        transformStuff = true
+    end
+
+    self:addTransform("show", animateAppear)
+    self:addTransform("hide", animateDisappear)
+    self:addTransform("showBackground", showBackground)
+    self:addTransform("hideBackground", hideBackground)
+    self:addTransform("showVersion", showVersion)
+    self:addTransform("hideVersion", hideVersion)
+
+    if (transformStuff) then
+        if (active) then
+            self:show()
+        else
+            self:hide()
+        end
+    end
+
+    if (active) then
+        if (self.doShowVersion) then
+            self:playTransform("showVersion")
+        else
+            self:playTransform("hideVersion")
+        end
+    end
+end
+
+function OverlayScreen:update(dt)
+    wasActive = self.isVisible
+    hadVersion = self.doShowVersion
+end
+
+function OverlayScreen:createElements()
+    local d = either(wasActive, 30, 0)
+    local v = either(hadVersion, 30, 0)
+    return {
+        {TextureElement("upBorder", self.borders, 0, d, 0, 1, -1, 0, 0, 1, -1), 0},
+        {TextureElement("downBorder", self.borders, 424, 240 - d, 0, -1, 1, 0, 0, 1, -1), 0},
+        {ColorElement("overlayDarken", 0, 0, 0, 0), 0},
+        {TextElement("version", "small", "v" .. game.version, 380, 250 - v, "left", -1), 0}
+    }
+end
+
+return OverlayScreen

sonic-radiance.love/game/scenes/init.lua

@@ -1,13 +1,26 @@
 local BirbScene = require "birb.modules.scenes"
 local RadianceScene = BirbScene:extend()
 
-function RadianceScene:new()
+local Overlay = require "game.modules.gui.overlay"
+
+function RadianceScene:new(haveBorder, showVersion)
     RadianceScene.super.new(self)
 
     -- Importation Global des assets
     self.assets:batchImport("assets.commons")
     self.assets.fonts["small"]:setLineHeight(16/18)
     self.assets.fonts["small"]:setFilter("shadow")
+
+    Overlay(haveBorder, showVersion)
 end
 
+function RadianceScene:hideOverlay()
+    self.gui:hideScreen("overlay")
+end
+
+function RadianceScene:showOverlay()
+    self.gui:showScreen("overlay")
+end
+
+
 return RadianceScene