package doodle import ( "fmt" "git.kirsle.net/apps/doodle/pkg/balance" "git.kirsle.net/apps/doodle/pkg/branding" "git.kirsle.net/apps/doodle/pkg/level" "git.kirsle.net/apps/doodle/pkg/license" "git.kirsle.net/apps/doodle/pkg/log" "git.kirsle.net/apps/doodle/pkg/native" "git.kirsle.net/apps/doodle/pkg/scripting" "git.kirsle.net/apps/doodle/pkg/shmem" "git.kirsle.net/apps/doodle/pkg/uix" "git.kirsle.net/apps/doodle/pkg/updater" "git.kirsle.net/apps/doodle/pkg/windows" "git.kirsle.net/go/render" "git.kirsle.net/go/render/event" "git.kirsle.net/go/ui" ) // MainScene implements the main menu of Doodle. type MainScene struct { Supervisor *ui.Supervisor // Background wallpaper canvas. scripting *scripting.Supervisor canvas *uix.Canvas // UI components. labelTitle *ui.Label labelSubtitle *ui.Label labelVersion *ui.Label labelHint *ui.Label frame *ui.Frame // Main button frame btnRegister *ui.Button winRegister *ui.Window winSettings *ui.Window // Update check variables. updateButton *ui.Button updateInfo updater.VersionInfo // Lazy scroll variables. See LoopLazyScroll(). lazyScrollBounce bool lazyScrollTrajectory render.Point lazyScrollLastValue render.Point } // Name of the scene. func (s *MainScene) Name() string { return "Main" } // Setup the scene. func (s *MainScene) Setup(d *Doodle) error { s.Supervisor = ui.NewSupervisor() if err := s.SetupDemoLevel(d); err != nil { return err } // Main title label s.labelTitle = ui.NewLabel(ui.Label{ Text: branding.AppName, Font: balance.TitleScreenFont, }) s.labelTitle.Compute(d.Engine) // Subtitle/byline. s.labelSubtitle = ui.NewLabel(ui.Label{ Text: branding.Byline, Font: balance.TitleScreenSubtitleFont, }) s.labelSubtitle.Compute(d.Engine) // Version label. var shareware string if !license.IsRegistered() { shareware = " (shareware)" } ver := ui.NewLabel(ui.Label{ Text: fmt.Sprintf("v%s%s", branding.Version, shareware), Font: balance.TitleScreenVersionFont, }) ver.Compute(d.Engine) s.labelVersion = ver // Arrow Keys hint label (scroll the demo level). s.labelHint = ui.NewLabel(ui.Label{ Text: "Hint: press the Arrow keys", Font: render.Text{ Size: 16, Color: render.Grey, Shadow: render.Purple, }, }) s.labelHint.Compute(d.Engine) // "Update Available" button. s.updateButton = ui.NewButton("Update Button", ui.NewLabel(ui.Label{ Text: "An update is available!", Font: render.Text{ FontFilename: "DejaVuSans-Bold.ttf", Size: 16, Color: render.Blue, Padding: 4, }, })) s.updateButton.Handle(ui.Click, func(ed ui.EventData) error { native.OpenURL(s.updateInfo.DownloadURL) return nil }) s.updateButton.Compute(d.Engine) s.updateButton.Hide() s.Supervisor.Add(s.updateButton) // Register button. s.btnRegister = ui.NewButton("Register", ui.NewLabel(ui.Label{ Text: "Register Game", Font: balance.LabelFont, })) s.btnRegister.SetStyle(&balance.ButtonPrimary) s.btnRegister.Handle(ui.Click, func(ed ui.EventData) error { if s.winRegister == nil { cfg := windows.License{ Supervisor: s.Supervisor, Engine: d.Engine, OnCancel: func() { s.winRegister.Hide() }, } cfg.OnLicensed = func() { // License status has changed, reload the window! if s.winRegister != nil { s.winRegister.Hide() } s.winRegister = windows.MakeLicenseWindow(d.width, d.height, cfg) } cfg.OnLicensed() } s.winRegister.Show() return nil }) s.btnRegister.Compute(d.Engine) s.Supervisor.Add(s.btnRegister) if license.IsRegistered() { s.btnRegister.Hide() } // Main UI button frame. frame := ui.NewFrame("frame") s.frame = frame var buttons = []struct { Name string Func func() }{ // { // Name: "Story Mode", // Func: d.GotoStoryMenu, // }, { Name: "Play a Level", Func: d.GotoPlayMenu, }, { Name: "Create a New Level", Func: d.GotoNewMenu, }, { Name: "Edit a Level", Func: d.GotoLoadMenu, }, { Name: "Settings", Func: func() { if s.winSettings == nil { s.winSettings = d.MakeSettingsWindow(s.Supervisor) } s.winSettings.Show() }, }, } for _, button := range buttons { button := button btn := ui.NewButton(button.Name, ui.NewLabel(ui.Label{ Text: button.Name, Font: balance.StatusFont, })) btn.Handle(ui.Click, func(ed ui.EventData) error { button.Func() return nil }) s.Supervisor.Add(btn) frame.Pack(btn, ui.Pack{ Side: ui.N, PadY: 8, // Fill: true, FillX: true, }) } // Check for update in the background. go s.checkUpdate() return nil } // checkUpdate checks for a version update and shows the button. func (s *MainScene) checkUpdate() { if shmem.OfflineMode { log.Info("OfflineMode: skip updates check") return } info, err := updater.Check() if err != nil { log.Error(err.Error()) return } if info.IsNewerVersionThan(branding.Version) { s.updateInfo = info s.updateButton.Show() } } // SetupDemoLevel configures the wallpaper behind the New screen, // which demos a title screen demo level. func (s *MainScene) SetupDemoLevel(d *Doodle) error { // Set up the background wallpaper canvas. s.canvas = uix.NewCanvas(100, false) s.canvas.Scrollable = true s.canvas.Resize(render.Rect{ W: d.width, H: d.height, }) s.scripting = scripting.NewSupervisor() s.canvas.SetScriptSupervisor(s.scripting) // Title screen level to load. if lvl, err := level.LoadFile(balance.DemoLevelName); err == nil { s.canvas.LoadLevel(d.Engine, lvl) s.canvas.InstallActors(lvl.Actors) // Load all actor scripts. if err := s.scripting.InstallScripts(lvl); err != nil { log.Error("Error with title screen level scripts: %s", err) } // Run all actors scripts main function to start them off. if err := s.canvas.InstallScripts(); err != nil { log.Error("Error running actor main() functions: %s", err) } } else { log.Error("Error loading demo level %s: %s", balance.DemoLevelName, err) } return nil } // Loop the editor scene. func (s *MainScene) Loop(d *Doodle, ev *event.State) error { s.Supervisor.Loop(ev) if err := s.scripting.Loop(); err != nil { log.Error("MainScene.Loop: scripting.Loop: %s", err) } // Lazily scroll the canvas around, slowly. s.LoopLazyScroll() s.canvas.Loop(ev) if ev.WindowResized { w, h := d.Engine.WindowSize() d.width = w d.height = h log.Info("Resized to %dx%d", d.width, d.height) s.canvas.Resize(render.Rect{ W: d.width, H: d.height, }) } return nil } // LoopLazyScroll gently scrolls the title screen demo level, called each Loop. func (s *MainScene) LoopLazyScroll() { // The v1 basic sauce algorithm: // 1. We scroll diagonally downwards and rightwards. // 2. When we scroll downwards far enough, we change direction. // Make a zigzag pattern. // 3. When we reach the right bound of the level // OR some max number of px into an unbounded level: // enter a simple ball bouncing mode like a screensaver. var ( zigzagMaxHeight = 512 maxScrollX = zigzagMaxHeight * 2 lastScrollValue = s.lazyScrollLastValue currentScroll = s.canvas.Scroll ) // So we have two states: // - Zigzag state (default) // - Bounce state (when we hit a wall) if !s.lazyScrollBounce { // Zigzag state. s.lazyScrollTrajectory = render.Point{ X: -1, // down and right Y: -1, } // When we've gone far enough X, it's also far enough Y. if currentScroll.X < -zigzagMaxHeight { s.lazyScrollTrajectory.Y = 1 // go back up } // Have we gotten stuck in a corner? (ending the zigzag phase, for bounded levels) if currentScroll.X < 0 && (currentScroll == lastScrollValue) || currentScroll.X < -maxScrollX { log.Debug("LoopLazyScroll: Ending zigzag phase, enter bounce phase") s.lazyScrollBounce = true s.lazyScrollTrajectory = render.Point{ X: -1, Y: -1, } } } else { // Lazy bounce algorithm. if currentScroll.Y == lastScrollValue.Y { log.Debug("LoopLazyScroll: Hit a floor/ceiling") s.lazyScrollTrajectory.Y = -s.lazyScrollTrajectory.Y } if currentScroll.X == lastScrollValue.X { log.Debug("LoopLazyScroll: Hit the side of the map!") s.lazyScrollTrajectory.X = -s.lazyScrollTrajectory.X } } // Check the scroll. s.lazyScrollLastValue = currentScroll s.canvas.ScrollBy(s.lazyScrollTrajectory) } // Draw the pixels on this frame. func (s *MainScene) Draw(d *Doodle) error { // Clear the canvas and fill it with white. d.Engine.Clear(render.White) s.canvas.Present(d.Engine, render.Origin) // Draw a sheen over the level for clarity. d.Engine.DrawBox(render.RGBA(255, 255, 254, 96), render.Rect{ X: 0, Y: 0, W: d.width, H: d.height, }) // Draw out bounding boxes. if DebugCollision { for _, actor := range s.canvas.Actors() { d.DrawCollisionBox(s.canvas, actor) } } // App title label. s.labelTitle.MoveTo(render.Point{ X: (d.width / 2) - (s.labelTitle.Size().W / 2), Y: 120, }) s.labelTitle.Present(d.Engine, s.labelTitle.Point()) // App subtitle label (byline). s.labelSubtitle.MoveTo(render.Point{ X: (d.width / 2) - (s.labelSubtitle.Size().W / 2), Y: s.labelTitle.Point().Y + s.labelTitle.Size().H + 8, }) s.labelSubtitle.Present(d.Engine, s.labelSubtitle.Point()) // Version label s.labelVersion.MoveTo(render.Point{ X: (d.width / 2) - (s.labelVersion.Size().W / 2), Y: s.labelSubtitle.Point().Y + s.labelSubtitle.Size().H + 8, }) s.labelVersion.Present(d.Engine, s.labelVersion.Point()) // Hint label. s.labelHint.MoveTo(render.Point{ X: (d.width / 2) - (s.labelHint.Size().W / 2), Y: d.height - s.labelHint.Size().H - 32, }) s.labelHint.Present(d.Engine, s.labelHint.Point()) // Update button. s.updateButton.MoveTo(render.Point{ X: 24, Y: d.height - s.updateButton.Size().H - 24, }) s.updateButton.Present(d.Engine, s.updateButton.Point()) s.frame.Compute(d.Engine) s.frame.MoveTo(render.Point{ X: (d.width / 2) - (s.frame.Size().W / 2), Y: 260, }) s.frame.Present(d.Engine, s.frame.Point()) // Register button. s.btnRegister.MoveTo(render.Point{ X: d.width - s.btnRegister.Size().W - 24, Y: d.height - s.btnRegister.Size().H - 24, }) s.btnRegister.Present(d.Engine, s.btnRegister.Point()) // Present supervised windows. s.Supervisor.Present(d.Engine) return nil } // Destroy the scene. func (s *MainScene) Destroy() error { return nil }