feat: add confirmation dialogs

Fixes #86

sonic-radiance.love/core/modules/scenes.lua

@@ -92,7 +92,7 @@ end
 function Scene:updateMenus(dt)
   if (self.menusystem ~= nil) then
     self.menusystem:update(dt)
-    if (core.screen:isActive()) then
+    if (core.screen:isActive() and (self.dialog == nil)) then
       self.menusystem:keycheck()
     end
   end

sonic-radiance.love/core/scenemanager.lua

@@ -82,6 +82,7 @@ function SceneManager:update(dt)
     self.currentScene:setKeys()
     self.currentScene.assets:update(dt)
     self.currentScene:updateMenus(dt)
+    self.currentScene:updateDialog(dt)
     self.currentScene:updateWorld(dt)
     self.currentScene:update(dt)
     self.currentScene:updateEnd(dt)
@@ -132,6 +133,7 @@ function SceneManager:draw()
     self.currentScene:drawWorld()
     self.currentScene:draw()
     self.currentScene:drawMenus()
+    self.currentScene:drawDialog()
     self.currentScene:drawEnd()
     self.controller.screen:drawTransition()
     self.currentScene:drawOverTransition()

sonic-radiance.love/game/init.lua

@@ -160,6 +160,10 @@ function Game:removeFromMetadata()
   self:writeMetadata(metadata)
 end
 
+function Game:reload()
+  self:read(self.slot)
+end
+
 function Game:read(save_id)
   self.slot = save_id
   if (self.slot > 0) then

sonic-radiance.love/game/modules/confirmdialog/init.lua

@@ -0,0 +1,111 @@
+local ConfirmDialog = Object:extend()
+
+local gui = require "game.modules.gui"
+
+local WIDTH = 256
+local PADWIDTH = 16
+local PADHEIGHT = 16
+
+function ConfirmDialog:new(scene, message, choice1func, choice1, choice2func, choice2)
+    self.scene = scene
+    self.lines = 2
+    self.message = message
+
+    self.choiceLabel = {}
+    self.choiceFunc = {}
+    self.choiceSound = {}
+    self.choiceLabel[1] = choice1 or "Yes"
+    self.choiceLabel[2] = choice2 or "No"
+    self.choiceFunc[1] = choice1func
+    self.choiceFunc[2] = choice2func or function() self:dismiss() end
+    self.choiceSound[1] = "mSelect"
+    self.choiceSound[2] = "mBack"
+
+    self.darken = true
+
+    self.currentChoice = 0
+    self.cancelChoice = -1
+    self.isActive = false
+
+    self.scene.dialog = self
+    self.texture = self:createTexture()
+end
+
+function ConfirmDialog:setLines(lines)
+    self.lines = lines
+    self.texture = self:createTexture()
+end
+
+function ConfirmDialog:createTexture()
+    self.height = 32 + (self.lines * 16) + PADHEIGHT
+    return gui.newTextBox("assets/gui/dialogbox.png", WIDTH + PADWIDTH, self.height)
+end
+
+function ConfirmDialog:setCancelChoice(choice)
+    self.cancelChoice = choice - 1
+end
+
+function ConfirmDialog:update(dt)
+    if (self.isActive) then
+        self:keycheck()
+    else
+        self.isActive = true
+    end
+end
+
+function ConfirmDialog:keycheck()
+    local keys = self.scene.sources[1].keys
+    if (keys["up"].isPressed or
+    self.scene.sources[1].keys["down"].isPressed) then
+        self.currentChoice = (self.currentChoice + 1) % 2
+        self.scene.assets.sfx["mBeep"]:play()
+    end
+
+    if (keys["A"].isPressed) then
+        self:doAction(self.currentChoice)
+    end
+
+    if (keys["B"].isPressed) then
+        self:doAction(self.cancelChoice)
+    end
+
+end
+
+function ConfirmDialog:doAction(choice)
+    if (self.choiceFunc[choice + 1] ~= nil) then
+        self.scene.assets.sfx[self.choiceSound[choice + 1]]:play()
+        self.choiceFunc[choice + 1]()
+    end
+end
+
+function ConfirmDialog:dismiss()
+    self:destroy()
+end
+
+function ConfirmDialog:destroy()
+    self.scene.dialog = nil
+end
+
+function ConfirmDialog:draw()
+    local x, y = self:getCoord()
+    local padx, pady = 8, 6
+    if (self.darken) then
+        love.graphics.setColor(0,0,0,0.5)
+        love.graphics.rectangle("fill", 0, 0, 424, 240)
+        utils.graphics.resetColor()
+    end
+    love.graphics.draw(self.texture, x, y)
+    self.scene.assets.fonts["small"]:draw(self.message ,x + padx, y + pady,WIDTH,"left")
+    for i = 1, 2, 1 do
+        self.scene.assets.fonts["small"]:draw(self.choiceLabel[i], x + padx + 8, y + pady + (self.lines + i - 1)*16)
+        if ((self.currentChoice + 1) == i) then
+            self.scene.assets.fonts["small"]:draw(">", x + padx, y + pady + (self.lines + i - 1)*16)
+        end
+    end
+end
+
+function ConfirmDialog:getCoord()
+    return (424-(WIDTH + PADWIDTH))/2, (240 - self.height)/2
+end
+
+return ConfirmDialog

sonic-radiance.love/scenes/menus/options/init.lua

@@ -29,6 +29,7 @@ function OptionsMenu:new()
   Widgets.Audio(self, "audio", "sfx", "SFX")
   Widgets.Audio(self, "audio", "music", "Music")
 
+  Widgets.Delete(self, "main")
   Widgets.Exit(self, "main")
 
   self.menusystem.menus["main"]:finalize()

sonic-radiance.love/scenes/menus/options/widgets.lua

@@ -14,8 +14,10 @@ widgets.Lang          = RadianceListMenu.DualTextWidget:extend()
 widgets.PlayerSubMenu = RadianceListMenu.DualTextWidget:extend()
 widgets.Key           = RadianceListMenu.DualTextWidget:extend()
 widgets.Audio         = RadianceListMenu.DualTextWidget:extend()
+widgets.Delete        = RadianceListMenu.DualTextWidget:extend()
 
 local defTransitions = require "core.modules.transitions"
+local ConfirmDialog = require "game.modules.confirmdialog"
 
 -- BASIC WIDGETS
 -- Simple and reusables widgets
@@ -63,6 +65,29 @@ function widgets.Dummy:action()
   -- shoosh
 end
 
+-- Delete Save : delete the current Save
+
+function widgets.Delete:new(scene, menu)
+  widgets.Exit.super.new(self, scene, menu, "Delete save", "")
+  self.color = {1, 0.3, 0.3}
+end
+
+function widgets.Delete:action()
+  self.scene.assets:playSFX("mSelect")
+
+  local confirm = ConfirmDialog(self.scene, "Do you want to delete your save ? \nYou won't be able to recover your data.",
+  function() self:deleteSave() end)
+  confirm:setCancelChoice(2)
+end
+
+function widgets.Delete:deleteSave()
+  core.scenemanager:setStoredScene("mainmenu")
+  game:deleteCurrentSave()
+  core.screen:startTransition(defTransitions.default, defTransitions.circle,
+    function() scenes.title(true) end,
+    424/2, 240/2)
+end
+
 -- Exit Widget : exit the examples
 
 function widgets.Exit:new(scene, menu)

sonic-radiance.love/scenes/overworld/screens/mainmenu/pause.lua

@@ -14,6 +14,7 @@ local SaveExitWidget = menu.BaseWidget:extend()
 
 local defTransitions = require "core.modules.transitions"
 local radTransitions = require "game.modules.transitions"
+local ConfirmDialog = require "game.modules.confirmdialog"
 
 local const = require "scenes.overworld.screens.mainmenu.const"
 
@@ -115,12 +116,22 @@ function SaveExitWidget:action()
     game:write()
   end
   if (self.exit) then
-    core.screen:startTransition(defTransitions.default, defTransitions.circle, function() scenes.debug.menu() end, 424/2, 240/2)
-    self.scene.tweens:newTween(0, 0.3, {ringBorder=-16}, "inOutQuad")
-    self.scene.tweens:newTween(0, 0.3, {timeBorder=-20}, "inOutQuad")
+    if (self.save) then
+      self:exitToMenu()
+    else
+      local confirm = ConfirmDialog(self.scene, "Do you to exit the game ? \nAll unsaved data will be lost.",
+      function() self:exitToMenu() end)
+      confirm:setCancelChoice(2)
+    end
   else
     self.scene:unpause()
   end
 end
 
+function SaveExitWidget:exitToMenu()
+  core.screen:startTransition(defTransitions.default, defTransitions.circle, function() game:reload() scenes.debug.menu() end, 424/2, 240/2)
+  self.scene.tweens:newTween(0, 0.3, {ringBorder=-16}, "inOutQuad")
+  self.scene.tweens:newTween(0, 0.3, {timeBorder=-20}, "inOutQuad")
+end
+
 return PauseScreen