add presentation mode: implement presentation logic, QR code support, animated quotes, assets display, and emotes

cmd/client/main.go

@@ -184,6 +184,7 @@ type Game struct {
 	presQuoteTime     time.Time
 	presAssets        []presAssetInstance
 	lastPresUpdate    time.Time
+	presQRCode        *ebiten.Image
 
 	// Kamera
 	camX float64
@@ -281,10 +282,24 @@ func (g *Game) Update() error {
 	if inpututil.IsKeyJustPressed(ebiten.KeyF1) {
 		if g.appState == StatePresentation {
 			g.appState = StateMenu
+			g.disconnectFromServer()
 		} else {
 			g.appState = StatePresentation
 			g.presAssets = nil // Reset assets
 			g.presQuoteTime = time.Now() // Force immediate first quote
+			
+			// Setup Server Connection for Presentation Mode
+			g.gameMode = "coop" // Use coop logic on server
+			g.isHost = true
+			g.roomID = "PRES" + generateRoomCode()
+			g.playerName = "PRESENTATION"
+			
+			// Start connection process in background
+			go g.connectAndStart()
+			
+			// Generate QR Code URL
+			joinURL := "https://escape-from-school.de/?room=" + g.roomID
+			g.presQRCode = generateQRCode(joinURL)
 		}
 	}
 
@@ -316,8 +331,8 @@ func (g *Game) Update() error {
 		}
 	}
 
-	// COUNTDOWN/RUNNING-Übergang: AppState auf StateGame setzen + JS benachrichtigen
-	if (currentStatus == "COUNTDOWN" || currentStatus == "RUNNING") && g.appState != StateGame {
+	// COUNTDOWN/RUNNING/PRESENTATION-Übergang: AppState auf StateGame setzen + JS benachrichtigen
+	if (currentStatus == "COUNTDOWN" || currentStatus == "RUNNING" || currentStatus == "PRESENTATION") && g.appState != StateGame && g.appState != StatePresentation {
 		log.Printf("🎮 Spiel startet! Status: %s -> %s", g.lastStatus, currentStatus)
 		g.appState = StateGame
 		g.notifyGameStarted()