46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
//go:build js && wasm
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// +build js,wasm
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package main
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import (
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"crypto/rand"
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"encoding/hex"
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"log"
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"syscall/js"
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)
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// loadOrCreatePlayerCode lädt oder erstellt einen eindeutigen Spieler-Code (WebAssembly Version)
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func (g *Game) loadOrCreatePlayerCode() {
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const storageKey = "escape_from_teacher_player_code"
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// Versuche aus LocalStorage zu laden
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if jsGlobal := js.Global(); !jsGlobal.IsUndefined() {
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localStorage := jsGlobal.Get("localStorage")
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if !localStorage.IsUndefined() {
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stored := localStorage.Call("getItem", storageKey)
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if !stored.IsNull() && stored.String() != "" {
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g.playerCode = stored.String()
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log.Printf("🔑 Player-Code aus LocalStorage geladen: %s", g.playerCode)
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return
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}
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}
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}
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// Erstelle neuen Code
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bytes := make([]byte, 16)
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if _, err := rand.Read(bytes); err != nil {
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log.Fatal("Fehler beim Generieren des Player-Codes:", err)
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}
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g.playerCode = hex.EncodeToString(bytes)
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// In LocalStorage speichern
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if jsGlobal := js.Global(); !jsGlobal.IsUndefined() {
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localStorage := jsGlobal.Get("localStorage")
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if !localStorage.IsUndefined() {
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localStorage.Call("setItem", storageKey, g.playerCode)
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log.Printf("🆕 Neuer Player-Code in LocalStorage erstellt: %s", g.playerCode)
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}
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}
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}
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