More credits updates

Scenes/Credits.go

@@ -1,6 +1,11 @@
 package Scenes
 
 import (
+	"encoding/binary"
+	"strings"
+	"unicode/utf16"
+	"unicode/utf8"
+
 	"github.com/essial/OpenDiablo2/Common"
 	"github.com/essial/OpenDiablo2/Palettes"
 	"github.com/essial/OpenDiablo2/ResourcePaths"
@@ -16,6 +21,8 @@ type Credits struct {
 	fileProvider      Common.FileProvider
 	sceneProvider     SceneProvider
 	creditsBackground *Common.Sprite
+	exitButton        *UI.Button
+	creditsText       []string
 }
 
 // CreateCredits creates an instance of the credits scene
@@ -29,11 +36,33 @@ func CreateCredits(fileProvider Common.FileProvider, sceneProvider SceneProvider
 	return result
 }
 
+func utf16BytesToString(b []byte, o binary.ByteOrder) string {
+	utf := make([]uint16, (len(b)+(2-1))/2)
+	for i := 0; i+(2-1) < len(b); i += 2 {
+		utf[i/2] = o.Uint16(b[i:])
+	}
+	if len(b)/2 < len(utf) {
+		utf[len(utf)-1] = utf8.RuneError
+	}
+	return string(utf16.Decode(utf))
+}
+
 // Load is called to load the resources for the credits scene
 func (v *Credits) Load() []func() {
 	return []func(){
 		func() {
 			v.creditsBackground = v.fileProvider.LoadSprite(ResourcePaths.CreditsBackground, Palettes.Sky)
+			v.creditsBackground.MoveTo(0, 0)
+		},
+		func() {
+			v.exitButton = UI.CreateButton(UI.ButtonTypeMedium, v.fileProvider, "EXIT")
+			v.exitButton.MoveTo(30, 550)
+			v.exitButton.OnActivated(func() { v.onExitButtonClicked() })
+			v.uiManager.AddWidget(v.exitButton)
+		},
+		func() {
+			fileData := utf16BytesToString(v.fileProvider.LoadFile(ResourcePaths.CreditsText), binary.LittleEndian)
+			v.creditsText = strings.Split(fileData, "\r\n")
 		},
 	}
 }
@@ -52,3 +81,9 @@ func (v *Credits) Render(screen *ebiten.Image) {
 func (v *Credits) Update() {
 
 }
+
+func (v *Credits) onExitButtonClicked() {
+	mainMenu := CreateMainMenu(v.fileProvider, v.sceneProvider, v.uiManager, v.soundManager)
+	mainMenu.ShowTrademarkScreen = false
+	v.sceneProvider.SetNextScene(mainMenu)
+}

Scenes/MainMenu.go

@@ -29,7 +29,7 @@ type MainMenu struct {
 	creditsButton       *UI.Button
 	copyrightLabel      *UI.Label
 	copyrightLabel2     *UI.Label
-	showTrademarkScreen bool
+	ShowTrademarkScreen bool
 	leftButtonHeld      bool
 }
 
@@ -40,7 +40,7 @@ func CreateMainMenu(fileProvider Common.FileProvider, sceneProvider SceneProvide
 		uiManager:           uiManager,
 		soundManager:        soundManager,
 		sceneProvider:       sceneProvider,
-		showTrademarkScreen: true,
+		ShowTrademarkScreen: true,
 	}
 	return result
 }
@@ -94,14 +94,14 @@ func (v *MainMenu) Load() []func() {
 		func() {
 			v.exitDiabloButton = UI.CreateButton(UI.ButtonTypeWide, v.fileProvider, "EXIT DIABLO II")
 			v.exitDiabloButton.MoveTo(264, 535)
-			v.exitDiabloButton.SetVisible(false)
+			v.exitDiabloButton.SetVisible(!v.ShowTrademarkScreen)
 			v.exitDiabloButton.OnActivated(func() { v.onExitButtonClicked() })
 			v.uiManager.AddWidget(v.exitDiabloButton)
 		},
 		func() {
 			v.creditsButton = UI.CreateButton(UI.ButtonTypeShort, v.fileProvider, "CREDITS")
 			v.creditsButton.MoveTo(264, 505)
-			v.creditsButton.SetVisible(false)
+			v.creditsButton.SetVisible(!v.ShowTrademarkScreen)
 			v.creditsButton.OnActivated(func() { v.onCreditsButtonClicked() })
 			v.uiManager.AddWidget(v.creditsButton)
 		},
@@ -123,7 +123,7 @@ func (v *MainMenu) Unload() {
 
 // Render renders the main menu
 func (v *MainMenu) Render(screen *ebiten.Image) {
-	if v.showTrademarkScreen {
+	if v.ShowTrademarkScreen {
 		v.trademarkBackground.DrawSegments(screen, 4, 3, 0)
 	} else {
 		v.background.DrawSegments(screen, 4, 3, 0)
@@ -133,7 +133,7 @@ func (v *MainMenu) Render(screen *ebiten.Image) {
 	v.diabloLogoLeft.Draw(screen)
 	v.diabloLogoRight.Draw(screen)
 
-	if v.showTrademarkScreen {
+	if v.ShowTrademarkScreen {
 		v.copyrightLabel.Draw(screen)
 		v.copyrightLabel2.Draw(screen)
 	} else {
@@ -143,10 +143,10 @@ func (v *MainMenu) Render(screen *ebiten.Image) {
 
 // Update runs the update logic on the main menu
 func (v *MainMenu) Update() {
-	if v.showTrademarkScreen {
+	if v.ShowTrademarkScreen {
 		if v.uiManager.CursorButtonPressed(UI.CursorButtonLeft) {
 			v.leftButtonHeld = true
-			v.showTrademarkScreen = false
+			v.ShowTrademarkScreen = false
 			v.exitDiabloButton.SetVisible(true)
 			v.creditsButton.SetVisible(true)
 		}

UI/Button.go

@@ -56,9 +56,9 @@ type ButtonLayout struct {
 var ButtonLayouts = map[ButtonType]ButtonLayout{
 	ButtonTypeWide:   {2, 1, ResourcePaths.WideButtonBlank, Palettes.Units, false, 0, -1, ResourcePaths.FontExocet10, nil, true},
 	ButtonTypeShort:  {1, 1, ResourcePaths.ShortButtonBlank, Palettes.Units, false, 0, -1, ResourcePaths.FontExocet8, nil, true},
+	ButtonTypeMedium: {1, 1, ResourcePaths.MediumButtonBlank, Palettes.Units, false, 0, -1, ResourcePaths.FontExocet10, nil, true},
 	/*
 		{eButtonType.Wide,  new ButtonLayout { XSegments = 2, ResourceName = ResourcePaths.WideButtonBlank, PaletteName = Palettes.Units } },
-		{eButtonType.Medium, new ButtonLayout{ ResourceName = ResourcePaths.MediumButtonBlank, PaletteName = Palettes.Units } },
 		{eButtonType.Narrow, new ButtonLayout { ResourceName = ResourcePaths.NarrowButtonBlank, PaletteName = Palettes.Units } },
 		{eButtonType.Tall, new ButtonLayout { ResourceName = ResourcePaths.TallButtonBlank, PaletteName = Palettes.Units } },