932edf74f2
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280 lines
7.5 KiB
Go
280 lines
7.5 KiB
Go
package main
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import (
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"encoding/json"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"sync"
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"time"
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"github.com/nats-io/nats.go"
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"git.zb-server.de/ZB-Server/EscapeFromTeacher/pkg/game"
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"git.zb-server.de/ZB-Server/EscapeFromTeacher/pkg/server"
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)
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// Globaler Zustand des Servers
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var (
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rooms = make(map[string]*server.Room)
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playerSessions = make(map[string]*server.Room)
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mu sync.RWMutex
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globalWorld *game.World
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)
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func main() {
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log.Println("🚀 Escape From Teacher SERVER startet...")
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// 1. WELT & ASSETS LADEN
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globalWorld = game.NewWorld()
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loadServerAssets(globalWorld)
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// 1b. Redis-Leaderboard initialisieren
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redisAddr := getEnv("REDIS_ADDR", "localhost:6379")
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if err := server.InitLeaderboard(redisAddr); err != nil {
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log.Fatal("❌ Konnte nicht zu Redis verbinden: ", err)
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}
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log.Printf("✅ Verbunden mit Redis: %s", redisAddr)
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// 2. NATS VERBINDUNG mit Reconnect-Logik
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natsURL := getEnv("NATS_URL", "nats://localhost:4222")
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nc, err := nats.Connect(
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natsURL,
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nats.MaxReconnects(-1), // Unbegrenzte Reconnects
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nats.ReconnectWait(2*time.Second),
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nats.ReconnectBufSize(5*1024*1024), // 5MB Buffer
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nats.DisconnectErrHandler(func(nc *nats.Conn, err error) {
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if err != nil {
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log.Printf("⚠️ NATS getrennt: %v", err)
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}
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}),
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nats.ReconnectHandler(func(nc *nats.Conn) {
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log.Printf("✅ NATS wiederverbunden: %s", nc.ConnectedUrl())
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}),
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nats.ClosedHandler(func(nc *nats.Conn) {
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log.Println("❌ NATS Verbindung geschlossen")
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}),
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nats.Timeout(10*time.Second),
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nats.PingInterval(20*time.Second),
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nats.MaxPingsOutstanding(5),
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)
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if err != nil {
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// Retry-Logik für initiales Connect
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maxRetries := 10
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retryDelay := 2 * time.Second
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for i := 0; i < maxRetries; i++ {
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log.Printf("⚠️ NATS noch nicht erreichbar (Versuch %d/%d): %v", i+1, maxRetries, err)
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log.Printf("⏳ Warte %v vor erneutem Versuch...", retryDelay)
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time.Sleep(retryDelay)
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nc, err = nats.Connect(
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natsURL,
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nats.MaxReconnects(-1),
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nats.ReconnectWait(2*time.Second),
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nats.Timeout(10*time.Second),
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)
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if err == nil {
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break
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}
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retryDelay = retryDelay * 2 // Exponential backoff
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if retryDelay > 30*time.Second {
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retryDelay = 30 * time.Second
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}
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}
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if err != nil {
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log.Fatalf("❌ Konnte nicht zu NATS verbinden nach %d Versuchen: %v", maxRetries, err)
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}
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}
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defer nc.Close()
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ec, err := nats.NewEncodedConn(nc, nats.JSON_ENCODER)
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if err != nil {
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log.Fatal("❌ JSON Encoder Fehler: ", err)
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}
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log.Printf("✅ Verbunden mit NATS: %s", natsURL)
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// 3. HANDLER: GAME JOIN
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sub, err := ec.Subscribe("game.join", func(req *game.JoinRequest) {
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log.Printf("📥 JOIN empfangen: Name=%s, RoomID=%s", req.Name, req.RoomID)
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playerID := req.Name
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if playerID == "" {
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playerID = "Unknown"
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}
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roomID := req.RoomID
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if roomID == "" {
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roomID = "lobby"
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}
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mu.Lock()
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defer mu.Unlock()
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// Raum finden oder erstellen
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room, exists := rooms[roomID]
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if !exists {
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log.Printf("🆕 Erstelle neuen Raum: '%s'", roomID)
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room = server.NewRoom(roomID, nc, globalWorld)
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rooms[roomID] = room
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// Starte den Game-Loop (Physik)
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go room.RunLoop()
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}
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// Spieler hinzufügen (ID, Name)
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room.AddPlayer(playerID, req.Name)
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// Session speichern
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playerSessions[playerID] = room
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log.Printf("➡️ Spieler '%s' ist Raum '%s' beigetreten.", playerID, roomID)
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})
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if err != nil {
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log.Fatal("❌ Fehler beim Subscribe auf game.join:", err)
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}
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log.Printf("👂 Lausche auf 'game.join'... (Sub Valid: %v)", sub.IsValid())
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// TEST: Auch mit Raw-NATS lauschen
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nc.Subscribe("game.join", func(m *nats.Msg) {
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log.Printf("🔍 RAW NATS: Nachricht empfangen auf game.join: %s", string(m.Data))
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})
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// 4. HANDLER: GAME START
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_, _ = ec.Subscribe("game.start", func(req *game.StartRequest) {
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log.Printf("▶️ START empfangen: RoomID=%s", req.RoomID)
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mu.RLock()
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room, exists := rooms[req.RoomID]
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mu.RUnlock()
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if exists {
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room.Mutex.Lock()
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room.StartCountdown()
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room.Mutex.Unlock()
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log.Printf("🎮 Raum '%s' Countdown gestartet", req.RoomID)
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} else {
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log.Printf("❌ Raum '%s' nicht gefunden", req.RoomID)
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}
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})
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// 5. HANDLER: INPUT
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_, _ = ec.Subscribe("game.input", func(input *game.ClientInput) {
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mu.RLock()
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room, ok := playerSessions[input.PlayerID]
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mu.RUnlock()
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if ok {
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room.HandleInput(*input)
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}
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})
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// 6. HANDLER: SCORE SUBMISSION
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_, _ = ec.Subscribe("score.submit", func(submission *game.ScoreSubmission) {
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// Verwende Team-Name wenn vorhanden (Coop-Mode), sonst Player-Name (Solo-Mode)
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displayName := submission.PlayerName
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if submission.TeamName != "" {
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displayName = submission.TeamName
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}
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log.Printf("📊 Score-Submission: %s (%s) mit %d Punkten [Mode: %s]", displayName, submission.PlayerCode, submission.Score, submission.Mode)
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added, proofCode := server.GlobalLeaderboard.AddScore(displayName, submission.PlayerCode, submission.Score)
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if added {
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log.Printf("✅ Score akzeptiert für %s (Proof: %s)", displayName, proofCode)
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// Sende Response zurück über NATS
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response := game.ScoreSubmissionResponse{
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Success: true,
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ProofCode: proofCode,
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Score: submission.Score,
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}
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// Sende an player-spezifischen Channel
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channel := "score.response." + submission.PlayerCode
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ec.Publish(channel, &response)
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log.Printf("📤 Proof-Code gesendet an Channel: %s", channel)
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}
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})
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// 7. HANDLER: LEADERBOARD REQUEST (alt, für Kompatibilität)
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_, _ = ec.Subscribe("leaderboard.get", func(subject, reply string, _ *struct{}) {
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top10 := server.GlobalLeaderboard.GetTop10()
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log.Printf("📊 Leaderboard-Request beantwortet: %d Einträge", len(top10))
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ec.Publish(reply, top10)
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})
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// 8. HANDLER: LEADERBOARD REQUEST (neu, für WebSocket-Gateway)
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_, _ = ec.Subscribe("leaderboard.request", func(req *game.LeaderboardRequest) {
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top10 := server.GlobalLeaderboard.GetTop10()
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log.Printf("📊 Leaderboard-Request (Mode=%s): %d Einträge", req.Mode, len(top10))
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// Response an den angegebenen Channel senden
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if req.ResponseChannel != "" {
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resp := game.LeaderboardResponse{
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Entries: top10,
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}
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ec.Publish(req.ResponseChannel, &resp)
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log.Printf("📤 Leaderboard-Response gesendet an %s", req.ResponseChannel)
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}
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})
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log.Println("✅ Server bereit. Warte auf Spieler...")
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// 9. GIN-SERVER STARTEN (statische Dateien + WebSocket)
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router := SetupGinServer(ec, "8080")
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if err := router.Run(":8080"); err != nil {
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log.Fatal("❌ Gin-Server Fehler:", err)
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}
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}
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func getEnv(key, defaultValue string) string {
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if value := os.Getenv(key); value != "" {
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return value
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}
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return defaultValue
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}
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func loadServerAssets(w *game.World) {
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assetDir := "./cmd/client/web/assets"
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chunkDir := filepath.Join(assetDir, "chunks")
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// Manifest laden
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manifestPath := filepath.Join(assetDir, "assets.json")
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data, err := ioutil.ReadFile(manifestPath)
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if err == nil {
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var m game.AssetManifest
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json.Unmarshal(data, &m)
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w.Manifest = m
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log.Printf("📦 Manifest geladen: %d Assets", len(m.Assets))
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} else {
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log.Println("⚠️ Manifest nicht gefunden:", manifestPath)
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}
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// Chunks laden
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files, err := ioutil.ReadDir(chunkDir)
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if err == nil {
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for _, f := range files {
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if filepath.Ext(f.Name()) == ".json" {
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fullPath := filepath.Join(chunkDir, f.Name())
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cData, err := ioutil.ReadFile(fullPath)
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if err == nil {
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var chunk game.Chunk
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json.Unmarshal(cData, &chunk)
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if chunk.ID == "" {
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chunk.ID = f.Name()[0 : len(f.Name())-5]
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}
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w.ChunkLibrary[chunk.ID] = chunk
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log.Printf("🧩 Chunk geladen: %s", chunk.ID)
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}
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}
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}
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} else {
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log.Println("⚠️ Chunk Ordner nicht gefunden:", chunkDir)
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}
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}
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