414 lines
13 KiB
Go
414 lines
13 KiB
Go
package page
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import (
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"fmt"
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"github.com/go-gl/gl/v3.3-core/gl"
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"github.com/go-gl/mathgl/mgl32"
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"github.com/veandco/go-sdl2/sdl"
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"rhemawavetech.com/rhemawave/internal/colors"
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"rhemawavetech.com/rhemawave/internal/download"
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"rhemawavetech.com/rhemawave/internal/fontManager"
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"rhemawavetech.com/rhemawave/internal/shaderManager"
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)
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var GitVersion = "9beeeb1"
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type Home struct {
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Base
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fm *fontManager.FontManager
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font *fontManager.FontEntry
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title StringItem
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version StringItem
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prompt StringItem
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note StringItem
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message StringItem
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downloadProgressChan chan download.DownloadStatus
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licenseInfoHeading StringItem
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emailDisplay StringItem
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licenseKeyDisplay StringItem
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hasLicenseInfo bool
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baseFontSize int
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isDownloadComplete bool
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}
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// Init performs basic page initialization and creation of static assets.
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func (p *Home) Init(ctx *PageCtx) error {
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title := "Radiant Wave"
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version := GitVersion
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prompt := "Press F2 to Start, or F3 for Settings"
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note := "You can always press F1 to return here"
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if err := p.Base.Init(ctx); err != nil {
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return fmt.Errorf("failed base page initialization: %w", err)
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}
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// Get font
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p.fm = fontManager.Get()
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font, ok := p.fm.GetFont("Roboto-Regular")
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if !ok {
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return fmt.Errorf("unable to fetch font")
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}
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p.font = font
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// Create title texture
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var err error
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p.title, err = NewStringItem(title, font, colors.White)
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if err != nil {
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return fmt.Errorf("unable to create title string texture: %w", err)
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}
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// Create version texture
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versionString := "Version: " + version
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p.version, err = NewStringItem(versionString, font, colors.White)
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if err != nil {
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return fmt.Errorf("unable to create version string texture: %w", err)
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}
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// Create prompt texture
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p.prompt, err = NewStringItem(prompt, font, colors.White)
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if err != nil {
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return fmt.Errorf("unable to create prompt string texture: %w", err)
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}
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// Create note texture
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p.note, err = NewStringItem(note, font, colors.White)
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if err != nil {
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return fmt.Errorf("unable to create note string texture: %w", err)
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}
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// Create download channel and message
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p.downloadProgressChan = make(chan download.DownloadStatus)
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// Initialize message
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p.message, err = NewStringItem("Status: Initializing...", font, colors.White)
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if err != nil {
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return fmt.Errorf("unable to create initial message texture: %w", err)
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}
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// Create license info textures if data exists
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if p.Context.CfgPtr.EmailAddress != "" || p.Context.CfgPtr.LicenseKey != "" {
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p.hasLicenseInfo = true
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// Create heading
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p.licenseInfoHeading, err = NewStringItem("License Info", font, colors.White)
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if err != nil {
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return fmt.Errorf("unable to create license info heading texture: %w", err)
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}
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// Create email display if exists
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if p.Context.CfgPtr.EmailAddress != "" {
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emailText := fmt.Sprintf("Email: %s", p.Context.CfgPtr.EmailAddress)
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p.emailDisplay, err = NewStringItem(emailText, font, colors.White)
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if err != nil {
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return fmt.Errorf("unable to create email display texture: %w", err)
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}
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}
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// Create license key display if exists
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if p.Context.CfgPtr.LicenseKey != "" {
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licenseKeyText := fmt.Sprintf("License Key: %s", p.Context.CfgPtr.LicenseKey)
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p.licenseKeyDisplay, err = NewStringItem(licenseKeyText, font, colors.White)
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if err != nil {
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return fmt.Errorf("unable to create license key display texture: %w", err)
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}
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}
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}
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// Get base font size from database
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baseFontSize := p.Context.CfgPtr.StandardFontSize
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p.baseFontSize = baseFontSize
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// Scale the note text
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fontSize := int32(32)
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scale := float32(fontSize) / float32(baseFontSize)
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p.note.W = int32(float32(p.note.W) * scale * 0.75)
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p.note.H = int32(float32(p.note.H) * scale * 0.75)
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// Scale license info texts
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if p.hasLicenseInfo {
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licenseInfoScale := float32(28) / float32(baseFontSize)
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p.licenseInfoHeading.W = int32(float32(p.licenseInfoHeading.W) * licenseInfoScale)
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p.licenseInfoHeading.H = int32(float32(p.licenseInfoHeading.H) * licenseInfoScale)
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if p.emailDisplay.ID != 0 {
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p.emailDisplay.W = int32(float32(p.emailDisplay.W) * licenseInfoScale * 0.85)
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p.emailDisplay.H = int32(float32(p.emailDisplay.H) * licenseInfoScale * 0.85)
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}
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if p.licenseKeyDisplay.ID != 0 {
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p.licenseKeyDisplay.W = int32(float32(p.licenseKeyDisplay.W) * licenseInfoScale * 0.85)
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p.licenseKeyDisplay.H = int32(float32(p.licenseKeyDisplay.H) * licenseInfoScale * 0.85)
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}
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}
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// Scale message text
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messageScale := float32(28) / float32(baseFontSize)
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p.message.W = int32(float32(p.message.W) * messageScale)
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p.message.H = int32(float32(p.message.H) * messageScale)
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return nil
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}
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// HandleEvent processes SDL events and handles them appropriately for the Home page.
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func (p *Home) HandleEvent(event *sdl.Event) error {
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return nil
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}
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func (p *Home) Update(dt float32) error {
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var (
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progressUpdate download.DownloadStatus
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ok bool
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gotUpdate bool
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)
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// Drain the channel, keeping only the newest update.
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for {
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select {
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case progressUpdate, ok = <-p.Context.MessageChannel:
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gotUpdate = true
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if !ok {
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// Channel was closed while draining.
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newMsg, err := NewStringItem("Status: READY", p.font, colors.Green)
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if err != nil {
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return err
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}
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messageScale := float32(28) / float32(p.baseFontSize)
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newMsg.W = int32(float32(newMsg.W) * messageScale)
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newMsg.H = int32(float32(newMsg.H) * messageScale)
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p.message = newMsg
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p.isDownloadComplete = true
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return nil
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}
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default:
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goto drained
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}
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}
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drained:
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if !gotUpdate {
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return nil
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}
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if progressUpdate.Err != nil {
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// Handle error
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newMsg, err := NewStringItem(
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fmt.Sprintf("Status: %s", progressUpdate.Err.Error()),
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p.font,
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colors.Red,
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)
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if err != nil {
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return err
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}
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messageScale := float32(28) / float32(p.baseFontSize)
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newMsg.W = int32(float32(newMsg.W) * messageScale)
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newMsg.H = int32(float32(newMsg.H) * messageScale)
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p.message = newMsg
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} else {
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// Update progress message using ONLY the latest update.
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percentComplete := float64(progressUpdate.Cur) / float64(progressUpdate.Max) * 100
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msg := fmt.Sprintf(
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"Status: Downloading assets %.1f%% Complete",
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percentComplete,
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)
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newMsg, err := NewStringItem(msg, p.font, colors.White)
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if err != nil {
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return err
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}
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messageScale := float32(28) / float32(p.baseFontSize)
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newMsg.W = int32(float32(newMsg.W) * messageScale)
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newMsg.H = int32(float32(newMsg.H) * messageScale)
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p.message = newMsg
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}
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return nil
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}
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func (p *Home) Render() error {
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baseFontSize := p.baseFontSize
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sm := shaderManager.Get()
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verticalMargin := int32(20)
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licenseInfoMargin := int32(10)
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// 1) Calculate scales
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titleFontSize := int32(64)
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bodyFontSize := int32(32)
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titleScale := float32(titleFontSize) / float32(baseFontSize)
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bodyScale := float32(bodyFontSize) / float32(baseFontSize)
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// 2) Calculate dimensions (scaled)
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titleW := float32(p.title.W) * titleScale
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titleH := float32(p.title.H) * titleScale
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titleDim := mgl32.Vec2{titleW, titleH}
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versionW := float32(p.version.W) * bodyScale
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versionH := float32(p.version.H) * bodyScale
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versionDim := mgl32.Vec2{versionW, versionH}
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promptW := float32(p.prompt.W) * bodyScale
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promptH := float32(p.prompt.H) * bodyScale
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promptDim := mgl32.Vec2{promptW, promptH}
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// Note dimensions (already scaled in Init)
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noteW := float32(p.note.W)
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noteH := float32(p.note.H)
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// Message dimensions (already scaled in Init/Update)
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messageW := float32(p.message.W)
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messageH := float32(p.message.H)
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// License info dimensions (already scaled in Init)
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licenseHeadingW := float32(p.licenseInfoHeading.W)
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licenseHeadingH := float32(p.licenseInfoHeading.H)
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var emailDisplayW, emailDisplayH, licenseKeyDisplayW, licenseKeyDisplayH float32
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if p.emailDisplay.ID != 0 {
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emailDisplayW = float32(p.emailDisplay.W)
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emailDisplayH = float32(p.emailDisplay.H)
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}
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if p.licenseKeyDisplay.ID != 0 {
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licenseKeyDisplayW = float32(p.licenseKeyDisplay.W)
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licenseKeyDisplayH = float32(p.licenseKeyDisplay.H)
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}
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// 3) Calculate total height of the vertical stack
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totalH := int32(titleH) + verticalMargin +
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int32(versionH) + verticalMargin +
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int32(promptH) + verticalMargin +
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int32(noteH)
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// 4) Y-up layout: start from the TOP of the centered stack and step DOWN
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top := p.Base.ScreenCenterY + totalH/2
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titleY := top - int32(titleH)
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versionY := titleY - verticalMargin - int32(versionH)
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p.prompt.Y = versionY - verticalMargin - int32(promptH)
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p.note.Y = p.prompt.Y - verticalMargin - int32(noteH)
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// 5) Center X for each item
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titleX := p.Base.ScreenCenterX - int32(titleW/2)
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versionX := p.Base.ScreenCenterX - int32(versionW/2)
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p.prompt.X = p.Base.ScreenCenterX - int32(promptW/2)
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p.note.X = p.Base.ScreenCenterX - int32(noteW/2)
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titlePos := mgl32.Vec2{float32(titleX), float32(titleY)}
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versionPos := mgl32.Vec2{float32(versionX), float32(versionY)}
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// 6) Position license info at bottom center
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if p.hasLicenseInfo {
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bottomMargin := int32(20)
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// Calculate total height of license info block
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licenseInfoTotalH := int32(licenseHeadingH)
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if p.emailDisplay.ID != 0 {
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licenseInfoTotalH += int32(emailDisplayH) + licenseInfoMargin
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}
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if p.licenseKeyDisplay.ID != 0 {
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licenseInfoTotalH += int32(licenseKeyDisplayH) + licenseInfoMargin
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}
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// Start from bottom and work up
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currentY := bottomMargin
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// License key (bottom-most if it exists)
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if p.licenseKeyDisplay.ID != 0 {
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p.licenseKeyDisplay.X = p.Base.ScreenCenterX - int32(licenseKeyDisplayW/2)
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p.licenseKeyDisplay.Y = currentY
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currentY += int32(licenseKeyDisplayH) + licenseInfoMargin
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}
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// Email
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if p.emailDisplay.ID != 0 {
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p.emailDisplay.X = p.Base.ScreenCenterX - int32(emailDisplayW/2)
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p.emailDisplay.Y = currentY
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currentY += int32(emailDisplayH) + licenseInfoMargin
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}
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// Heading (top-most)
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p.licenseInfoHeading.X = p.Base.ScreenCenterX - int32(licenseHeadingW/2)
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p.licenseInfoHeading.Y = currentY
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}
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// 7) Position message between license info and note/prompt
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if p.hasLicenseInfo {
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// Calculate the top of the license info block
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licenseInfoTopY := p.licenseInfoHeading.Y + int32(licenseHeadingH)
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if p.emailDisplay.ID != 0 {
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licenseInfoTopY += int32(emailDisplayH) + licenseInfoMargin
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}
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if p.licenseKeyDisplay.ID != 0 {
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licenseInfoTopY += int32(licenseKeyDisplayH) + licenseInfoMargin
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}
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// Center the message vertically between license info and note
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availableSpace := p.note.Y - licenseInfoTopY - verticalMargin
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p.message.Y = licenseInfoTopY + availableSpace/2 - int32(messageH/2)
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} else {
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// If no license info, place message below note
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p.message.Y = p.note.Y - verticalMargin - int32(messageH)
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}
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p.message.X = p.Base.ScreenCenterX - int32(messageW/2)
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// 8) Get shader and render
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textShader, ok := sm.Get("text")
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if !ok {
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return fmt.Errorf("failed to fetch text shader")
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}
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color := colors.White
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p.Base.RenderTexture(textShader, p.title.ID, titlePos, titleDim, color)
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p.Base.RenderTexture(textShader, p.version.ID, versionPos, versionDim, color)
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p.Base.RenderTexture(textShader, p.prompt.ID, mgl32.Vec2{float32(p.prompt.X), float32(p.prompt.Y)}, promptDim, color)
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p.Base.RenderTexture(textShader, p.note.ID, mgl32.Vec2{float32(p.note.X), float32(p.note.Y)}, mgl32.Vec2{noteW, noteH}, color)
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// Render message
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if p.message.ID != 0 {
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msgColor := colors.White
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if p.isDownloadComplete {
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msgColor = colors.Green
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}
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p.Base.RenderTexture(textShader, p.message.ID, mgl32.Vec2{float32(p.message.X), float32(p.message.Y)}, mgl32.Vec2{messageW, messageH}, msgColor)
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}
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// Render license info if it exists
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if p.hasLicenseInfo {
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p.Base.RenderTexture(textShader, p.licenseInfoHeading.ID, mgl32.Vec2{float32(p.licenseInfoHeading.X), float32(p.licenseInfoHeading.Y)}, mgl32.Vec2{licenseHeadingW, licenseHeadingH}, color)
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if p.emailDisplay.ID != 0 {
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p.Base.RenderTexture(textShader, p.emailDisplay.ID, mgl32.Vec2{float32(p.emailDisplay.X), float32(p.emailDisplay.Y)}, mgl32.Vec2{emailDisplayW, emailDisplayH}, color)
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}
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if p.licenseKeyDisplay.ID != 0 {
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p.Base.RenderTexture(textShader, p.licenseKeyDisplay.ID, mgl32.Vec2{float32(p.licenseKeyDisplay.X), float32(p.licenseKeyDisplay.Y)}, mgl32.Vec2{licenseKeyDisplayW, licenseKeyDisplayH}, color)
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}
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}
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return nil
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}
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// Destroy cleans up page-specific resources.
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func (p *Home) Destroy() error {
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gl.DeleteTextures(1, &p.title.ID)
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gl.DeleteTextures(1, &p.version.ID)
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gl.DeleteTextures(1, &p.prompt.ID)
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gl.DeleteTextures(1, &p.note.ID)
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gl.DeleteTextures(1, &p.message.ID)
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if p.hasLicenseInfo {
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gl.DeleteTextures(1, &p.licenseInfoHeading.ID)
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if p.emailDisplay.ID != 0 {
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gl.DeleteTextures(1, &p.emailDisplay.ID)
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}
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if p.licenseKeyDisplay.ID != 0 {
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gl.DeleteTextures(1, &p.licenseKeyDisplay.ID)
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}
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}
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return p.Base.Destroy()
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}
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