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OpenDiablo2/SceneMainMenu.go

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package OpenDiablo2
import (
"image/color"
"github.com/essial/OpenDiablo2/Palettes"
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"github.com/essial/OpenDiablo2/ResourcePaths"
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"github.com/hajimehoshi/ebiten"
)
// MainMenu represents the main menu
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type MainMenu struct {
engine *Engine
trademarkBackground *Sprite
background *Sprite
diabloLogoLeft *Sprite
diabloLogoRight *Sprite
diabloLogoLeftBack *Sprite
diabloLogoRightBack *Sprite
copyrightLabel *UILabel
copyrightLabel2 *UILabel
showTrademarkScreen bool
leftButtonHeld bool
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}
// CreateMainMenu creates an instance of MainMenu
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func CreateMainMenu(engine *Engine) *MainMenu {
result := &MainMenu{
engine: engine,
showTrademarkScreen: true,
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}
return result
}
// Load is called to load the resources for the main menu
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func (v *MainMenu) Load() {
v.engine.PlayBGM(ResourcePaths.BGMTitle)
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go func() {
loadStep := 1.0 / 8.0
v.engine.LoadingProgress = 0
{
v.copyrightLabel = CreateUILabel(v.engine, ResourcePaths.FontFormal12, Palettes.Static)
v.copyrightLabel.Alignment = UILabelAlignCenter
v.copyrightLabel.SetText("Diablo 2 is © Copyright 2000-2016 Blizzard Entertainment")
v.copyrightLabel.ColorMod = color.RGBA{188, 168, 140, 255}
v.copyrightLabel.MoveTo(400, 500)
v.engine.LoadingProgress += loadStep
}
{
v.copyrightLabel2 = CreateUILabel(v.engine, ResourcePaths.FontFormal12, Palettes.Static)
v.copyrightLabel2.Alignment = UILabelAlignCenter
v.copyrightLabel2.SetText("All Rights Reserved.")
v.copyrightLabel2.ColorMod = color.RGBA{188, 168, 140, 255}
v.copyrightLabel2.MoveTo(400, 525)
v.engine.LoadingProgress += loadStep
}
{
v.background = v.engine.LoadSprite(ResourcePaths.GameSelectScreen, Palettes.Sky)
v.background.MoveTo(0, 0)
v.engine.LoadingProgress += loadStep
}
{
v.trademarkBackground = v.engine.LoadSprite(ResourcePaths.TrademarkScreen, Palettes.Sky)
v.trademarkBackground.MoveTo(0, 0)
v.engine.LoadingProgress += loadStep
}
{
v.diabloLogoLeft = v.engine.LoadSprite(ResourcePaths.Diablo2LogoFireLeft, Palettes.Units)
v.diabloLogoLeft.Blend = true
v.diabloLogoLeft.Animate = true
v.diabloLogoLeft.MoveTo(400, 120)
v.engine.LoadingProgress += loadStep
}
{
v.diabloLogoRight = v.engine.LoadSprite(ResourcePaths.Diablo2LogoFireRight, Palettes.Units)
v.diabloLogoRight.Blend = true
v.diabloLogoRight.Animate = true
v.diabloLogoRight.MoveTo(400, 120)
v.engine.LoadingProgress += loadStep
}
{
v.diabloLogoLeftBack = v.engine.LoadSprite(ResourcePaths.Diablo2LogoBlackLeft, Palettes.Units)
v.diabloLogoLeftBack.MoveTo(400, 120)
v.engine.LoadingProgress += loadStep
}
{
v.diabloLogoRightBack = v.engine.LoadSprite(ResourcePaths.Diablo2LogoBlackRight, Palettes.Units)
v.diabloLogoRightBack.MoveTo(400, 120)
v.engine.LoadingProgress = 1.0
}
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}()
}
// Unload unloads the data for the main menu
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func (v *MainMenu) Unload() {
}
// Render renders the main menu
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func (v *MainMenu) Render(screen *ebiten.Image) {
if v.showTrademarkScreen {
v.trademarkBackground.DrawSegments(screen, 4, 3, 0)
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} else {
v.background.DrawSegments(screen, 4, 3, 0)
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}
v.diabloLogoLeftBack.Draw(screen)
v.diabloLogoRightBack.Draw(screen)
v.diabloLogoLeft.Draw(screen)
v.diabloLogoRight.Draw(screen)
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if v.showTrademarkScreen {
v.copyrightLabel.Draw(screen)
v.copyrightLabel2.Draw(screen)
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} else {
}
}
// Update runs the update logic on the main menu
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func (v *MainMenu) Update() {
if v.showTrademarkScreen {
if v.engine.CursorButtonPressed(CursorButtonLeft) {
v.leftButtonHeld = true
v.showTrademarkScreen = false
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}
return
}
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}