package d2gamescene import ( "bufio" "image/color" "log" "os" "path" "strings" "github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset" "github.com/OpenDiablo2/OpenDiablo2/d2core/d2render" "github.com/OpenDiablo2/OpenDiablo2/d2core/d2scene" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource" "github.com/OpenDiablo2/OpenDiablo2/d2common" dh "github.com/OpenDiablo2/OpenDiablo2/d2common" "github.com/OpenDiablo2/OpenDiablo2/d2core/d2ui" ) type labelItem struct { Label d2ui.Label IsHeading bool Available bool } // Credits represents the credits scene type Credits struct { creditsBackground *d2ui.Sprite exitButton d2ui.Button creditsText []string labels []*labelItem cycleTime float64 cyclesTillNextLine int doneWithCredits bool } // CreateCredits creates an instance of the credits scene func CreateCredits() *Credits { result := &Credits{ labels: make([]*labelItem, 0), cycleTime: 0, doneWithCredits: false, cyclesTillNextLine: 0, } return result } // Load is called to load the contributors data from file // TODO: use markdown for file and convert it to the suitable format func (v *Credits) LoadContributors() []string { var contributors []string file, err := os.Open(path.Join("./", "CONTRIBUTORS")) if err != nil || file == nil { log.Print("CONTRIBUTORS file is missing") return []string{ "MISSING CONTRIBUTOR FILES!" } } defer file.Close() scanner := bufio.NewScanner(file) for scanner.Scan() { contributors = append(contributors, strings.Trim(scanner.Text(), " ")) } return contributors } // Load is called to load the resources for the credits scene func (v *Credits) Load() []func() { return []func(){ func() { animation, _ := d2asset.LoadAnimation(d2resource.CreditsBackground, d2resource.PaletteSky) v.creditsBackground, _ = d2ui.LoadSprite(animation) v.creditsBackground.SetPosition(0, 0) }, func() { v.exitButton = d2ui.CreateButton(d2ui.ButtonTypeMedium, d2common.TranslateString("#970")) v.exitButton.SetPosition(33, 543) v.exitButton.OnActivated(func() { v.onExitButtonClicked() }) d2ui.AddWidget(&v.exitButton) }, func() { fileData, err := d2asset.LoadFile(d2resource.CreditsText) if err != nil { panic(err) } creditData, _ := dh.Utf16BytesToString(fileData[2:]) v.creditsText = strings.Split(creditData, "\r\n") for i := range v.creditsText { v.creditsText[i] = strings.Trim(v.creditsText[i], " ") } v.creditsText = append(v.LoadContributors(), v.creditsText...) }, } } // Unload unloads the data for the credits scene func (v *Credits) Unload() { } // Render renders the credits scene func (v *Credits) Render(screen d2render.Surface) { v.creditsBackground.RenderSegmented(screen, 4, 3, 0) for _, label := range v.labels { if label.Available { continue } label.Label.Render(screen) } } const secondsPerCycle = float64(0.02) // Update runs the update logic on the credits scene func (v *Credits) Advance(tickTime float64) { v.cycleTime += tickTime for v.cycleTime >= secondsPerCycle { v.cycleTime -= secondsPerCycle v.cyclesTillNextLine-- if !v.doneWithCredits && v.cyclesTillNextLine <= 0 { v.addNextItem() } for _, label := range v.labels { if label.Available { continue } if label.Label.Y-1 < -15 { label.Available = true continue } label.Label.Y-- } } } func (v *Credits) onExitButtonClicked() { mainMenu := CreateMainMenu() mainMenu.ShowTrademarkScreen = false d2scene.SetNextScene(mainMenu) } func (v *Credits) addNextItem() { if len(v.creditsText) == 0 { v.doneWithCredits = true return } text := v.creditsText[0] v.creditsText = v.creditsText[1:] if len(text) == 0 && v.creditsText[0][0] != '*' { v.cyclesTillNextLine = 19 return } else if len(text) == 0 && v.creditsText[0][0] == '*' { v.cyclesTillNextLine = 38 return } isHeading := text[0] == '*' isNextHeading := len(v.creditsText) > 0 && len(v.creditsText[0]) > 0 && v.creditsText[0][0] == '*' isNextSpace := len(v.creditsText) > 0 && len(v.creditsText[0]) == 0 var label = v.getNewFontLabel(isHeading) if isHeading { label.SetText(text[1:]) } else { label.SetText(text) } width, _ := label.GetSize() isDoubled := false if !isHeading && !isNextHeading && !isNextSpace { isDoubled = true // Gotta go side by side label.SetPosition(400-width, 605) text2 := v.creditsText[0] v.creditsText = v.creditsText[1:] isNextHeading = len(v.creditsText) > 0 && len(v.creditsText[0]) > 0 && v.creditsText[0][0] == '*' label2 := v.getNewFontLabel(isHeading) label2.SetText(text2) label2.SetPosition(410, 605) } else { label.SetPosition(405-width/2, 605) } if isHeading && isNextHeading { v.cyclesTillNextLine = 38 } else if isNextHeading { if isDoubled { v.cyclesTillNextLine = 38 } else { v.cyclesTillNextLine = 57 } } else if isHeading { v.cyclesTillNextLine = 38 } else { v.cyclesTillNextLine = 19 } } func (v *Credits) getNewFontLabel(isHeading bool) *d2ui.Label { for _, label := range v.labels { if label.Available { label.Available = false if isHeading { label.Label.Color = color.RGBA{R: 255, G: 88, B: 82, A: 255} } else { label.Label.Color = color.RGBA{R: 198, G: 178, B: 150, A: 255} } return &label.Label } } newLabelItem := &labelItem{ Available: false, IsHeading: isHeading, Label: d2ui.CreateLabel(d2resource.FontFormal10, d2resource.PaletteSky), } if isHeading { newLabelItem.Label.Color = color.RGBA{R: 255, G: 88, B: 82, A: 255} } else { newLabelItem.Label.Color = color.RGBA{R: 198, G: 178, B: 150, A: 255} } v.labels = append(v.labels, newLabelItem) return &newLabelItem.Label }