diff --git a/cmd/world_server/main.go b/cmd/world_server/main.go new file mode 100644 index 0000000..8b844b1 --- /dev/null +++ b/cmd/world_server/main.go @@ -0,0 +1,137 @@ +package main + +import ( + "encoding/json" + "flag" + "fmt" + "log" + "os" + "os/signal" + "syscall" +) + +const ( + ConfigFile = "world_config.json" + Version = "0.1.0" +) + +// printHeader displays the EQ2Emu banner and copyright info +func printHeader() { + fmt.Println("EQ2Emulator World Server") + fmt.Printf("Version: %s\n", Version) + fmt.Println() + fmt.Println("Copyright (C) 2007-2026 EQ2Emulator Development Team") + fmt.Println("https://www.eq2emu.com") + fmt.Println() + fmt.Println("EQ2Emulator is free software licensed under the GNU GPL v3") + fmt.Println("See LICENSE file for details") + fmt.Println() +} + +// loadConfig loads configuration from JSON file with command line overrides +func loadConfig() (*WorldConfig, error) { + // Default configuration + config := &WorldConfig{ + ListenAddr: "0.0.0.0", + ListenPort: 9000, + MaxClients: 1000, + BufferSize: 8192, + WebAddr: "0.0.0.0", + WebPort: 8080, + DatabasePath: "world.db", + XPRate: 1.0, + TSXPRate: 1.0, + VitalityRate: 1.0, + LogLevel: "info", + ThreadedLoad: true, + } + + // Load from config file if it exists + if data, err := os.ReadFile(ConfigFile); err == nil { + if err := json.Unmarshal(data, config); err != nil { + return nil, fmt.Errorf("failed to parse config file: %w", err) + } + log.Printf("Loaded configuration from %s", ConfigFile) + } else { + log.Printf("Config file %s not found, using defaults", ConfigFile) + } + + // Command line overrides + flag.StringVar(&config.ListenAddr, "listen-addr", config.ListenAddr, "UDP listen address") + flag.IntVar(&config.ListenPort, "listen-port", config.ListenPort, "UDP listen port") + flag.IntVar(&config.MaxClients, "max-clients", config.MaxClients, "Maximum client connections") + flag.StringVar(&config.WebAddr, "web-addr", config.WebAddr, "Web server address") + flag.IntVar(&config.WebPort, "web-port", config.WebPort, "Web server port") + flag.StringVar(&config.DatabasePath, "db-path", config.DatabasePath, "Database file path") + flag.StringVar(&config.LogLevel, "log-level", config.LogLevel, "Log level (debug, info, warn, error)") + flag.BoolVar(&config.ThreadedLoad, "threaded-load", config.ThreadedLoad, "Use threaded loading") + flag.Parse() + + return config, nil +} + +// saveConfig saves the current configuration to file +func saveConfig(config *WorldConfig) error { + data, err := json.MarshalIndent(config, "", " ") + if err != nil { + return fmt.Errorf("failed to marshal config: %w", err) + } + + if err := os.WriteFile(ConfigFile, data, 0644); err != nil { + return fmt.Errorf("failed to write config file: %w", err) + } + + return nil +} + +// setupSignalHandlers sets up graceful shutdown on SIGINT/SIGTERM +func setupSignalHandlers(world *World) <-chan os.Signal { + sigChan := make(chan os.Signal, 1) + signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) + + go func() { + sig := <-sigChan + log.Printf("Received signal %v, initiating graceful shutdown...", sig) + world.Shutdown() + }() + + return sigChan +} + +func main() { + printHeader() + + // Load configuration + config, err := loadConfig() + if err != nil { + log.Fatalf("Configuration error: %v", err) + } + + // Save config file with any command line overrides + if err := saveConfig(config); err != nil { + log.Printf("Warning: failed to save config: %v", err) + } + + // Create world server instance + world, err := NewWorld(config) + if err != nil { + log.Fatalf("Failed to create world server: %v", err) + } + + // Initialize all components + log.Println("Initializing EQ2Emulator World Server...") + if err := world.Initialize(); err != nil { + log.Fatalf("Failed to initialize world server: %v", err) + } + + // Setup signal handlers for graceful shutdown + setupSignalHandlers(world) + + // Run the server + log.Println("Starting World Server...") + if err := world.Run(); err != nil { + log.Fatalf("World server error: %v", err) + } + + log.Println("World Server stopped gracefully") +} diff --git a/cmd/world_server/web.go b/cmd/world_server/web.go new file mode 100644 index 0000000..7317aa7 --- /dev/null +++ b/cmd/world_server/web.go @@ -0,0 +1,298 @@ +package main + +import ( + "context" + "encoding/json" + "fmt" + "net/http" + "time" +) + +// setupWebServer initializes the HTTP server for admin interface +func (w *World) setupWebServer() error { + if w.config.WebPort == 0 { + return nil // Web server disabled + } + + mux := http.NewServeMux() + + // API endpoints + mux.HandleFunc("/api/status", w.handleStatus) + mux.HandleFunc("/api/clients", w.handleClients) + mux.HandleFunc("/api/zones", w.handleZones) + mux.HandleFunc("/api/stats", w.handleStats) + mux.HandleFunc("/api/time", w.handleWorldTime) + mux.HandleFunc("/api/shutdown", w.handleShutdown) + + // Administrative endpoints + mux.HandleFunc("/api/admin/reload", w.handleReload) + mux.HandleFunc("/api/admin/broadcast", w.handleBroadcast) + mux.HandleFunc("/api/admin/kick", w.handleKickClient) + + // Peer management endpoints + mux.HandleFunc("/api/peers", w.handlePeers) + mux.HandleFunc("/api/peers/sync", w.handlePeerSync) + + // Console command interface + mux.HandleFunc("/api/console", w.handleConsoleCommand) + + // Static health check + mux.HandleFunc("/health", w.handleHealth) + + // @TODO: Add authentication middleware + // @TODO: Add rate limiting middleware + // @TODO: Add CORS middleware for browser access + // @TODO: Add TLS support with cert/key files + + addr := fmt.Sprintf("%s:%d", w.config.WebAddr, w.config.WebPort) + w.webServer = &http.Server{ + Addr: addr, + Handler: mux, + ReadTimeout: 10 * time.Second, + WriteTimeout: 10 * time.Second, + } + + return nil +} + +// Core API handlers + +// handleHealth provides a simple health check endpoint +func (w *World) handleHealth(rw http.ResponseWriter, r *http.Request) { + rw.Header().Set("Content-Type", "application/json") + json.NewEncoder(rw).Encode(map[string]string{"status": "ok"}) +} + +// handleStatus returns comprehensive server status information +func (w *World) handleStatus(rw http.ResponseWriter, r *http.Request) { + rw.Header().Set("Content-Type", "application/json") + + status := map[string]any{ + "status": "running", + "uptime": time.Since(w.stats.StartTime).Seconds(), + "version": Version, + "locked": w.config.WorldLocked, + "primary": w.config.IsPrimary, + "threaded": w.config.ThreadedLoad, + "data_loaded": w.isDataLoaded(), + "world_time": w.getWorldTime(), + } + + json.NewEncoder(rw).Encode(status) +} + +// handleClients returns list of connected clients +func (w *World) handleClients(rw http.ResponseWriter, r *http.Request) { + rw.Header().Set("Content-Type", "application/json") + + w.clientsMux.RLock() + clients := make([]*ClientInfo, 0, len(w.clients)) + for _, client := range w.clients { + clients = append(clients, client) + } + w.clientsMux.RUnlock() + + json.NewEncoder(rw).Encode(map[string]any{ + "count": len(clients), + "clients": clients, + }) +} + +// handleZones returns list of zone servers +func (w *World) handleZones(rw http.ResponseWriter, r *http.Request) { + rw.Header().Set("Content-Type", "application/json") + + w.zonesMux.RLock() + zones := make([]*ZoneInfo, 0, len(w.zones)) + for _, zone := range w.zones { + zones = append(zones, zone) + } + w.zonesMux.RUnlock() + + json.NewEncoder(rw).Encode(map[string]any{ + "count": len(zones), + "zones": zones, + }) +} + +// handleStats returns detailed server statistics +func (w *World) handleStats(rw http.ResponseWriter, r *http.Request) { + rw.Header().Set("Content-Type", "application/json") + + w.statsMux.RLock() + stats := w.stats + w.statsMux.RUnlock() + + // Add UDP server stats if available + if w.udpServer != nil { + serverStats := w.udpServer.GetStats() + stats.TotalConnections = int64(serverStats.ConnectionCount) + } + + json.NewEncoder(rw).Encode(stats) +} + +// handleWorldTime returns current game world time +func (w *World) handleWorldTime(rw http.ResponseWriter, r *http.Request) { + rw.Header().Set("Content-Type", "application/json") + json.NewEncoder(rw).Encode(w.getWorldTime()) +} + +// Administrative handlers + +// handleShutdown initiates graceful server shutdown +func (w *World) handleShutdown(rw http.ResponseWriter, r *http.Request) { + if r.Method != http.MethodPost { + http.Error(rw, "Method not allowed", http.StatusMethodNotAllowed) + return + } + + // @TODO: Add authentication check + // @TODO: Add confirmation parameter + // @TODO: Add delay parameter + + rw.Header().Set("Content-Type", "application/json") + json.NewEncoder(rw).Encode(map[string]string{"status": "shutdown initiated"}) + + go func() { + time.Sleep(time.Second) // Allow response to be sent + w.Shutdown() + }() +} + +// handleReload reloads game data +func (w *World) handleReload(rw http.ResponseWriter, r *http.Request) { + if r.Method != http.MethodPost { + http.Error(rw, "Method not allowed", http.StatusMethodNotAllowed) + return + } + + // @TODO: Add authentication check + // @TODO: Implement selective reloading (items, spells, quests, etc.) + // @TODO: Add progress reporting + + rw.Header().Set("Content-Type", "application/json") + json.NewEncoder(rw).Encode(map[string]string{"status": "reload not implemented"}) +} + +// handleBroadcast sends server-wide message +func (w *World) handleBroadcast(rw http.ResponseWriter, r *http.Request) { + if r.Method != http.MethodPost { + http.Error(rw, "Method not allowed", http.StatusMethodNotAllowed) + return + } + + // @TODO: Add authentication check + // @TODO: Parse message from request body + // @TODO: Validate message content + // @TODO: Send to all connected clients + + rw.Header().Set("Content-Type", "application/json") + json.NewEncoder(rw).Encode(map[string]string{"status": "broadcast not implemented"}) +} + +// handleKickClient disconnects a specific client +func (w *World) handleKickClient(rw http.ResponseWriter, r *http.Request) { + if r.Method != http.MethodPost { + http.Error(rw, "Method not allowed", http.StatusMethodNotAllowed) + return + } + + // @TODO: Add authentication check + // @TODO: Parse client ID from request + // @TODO: Find and disconnect client + // @TODO: Log kick action + + rw.Header().Set("Content-Type", "application/json") + json.NewEncoder(rw).Encode(map[string]string{"status": "kick not implemented"}) +} + +// Peer management handlers + +// handlePeers returns list of peer servers +func (w *World) handlePeers(rw http.ResponseWriter, r *http.Request) { + rw.Header().Set("Content-Type", "application/json") + + peers := make([]map[string]any, 0) + for _, peer := range w.config.PeerServers { + peerInfo := map[string]any{ + "address": peer.Address, + "port": peer.Port, + "status": "unknown", // @TODO: Implement peer status checking + } + peers = append(peers, peerInfo) + } + + json.NewEncoder(rw).Encode(map[string]any{ + "count": len(peers), + "peers": peers, + }) +} + +// handlePeerSync synchronizes data with peer servers +func (w *World) handlePeerSync(rw http.ResponseWriter, r *http.Request) { + if r.Method != http.MethodPost { + http.Error(rw, "Method not allowed", http.StatusMethodNotAllowed) + return + } + + // @TODO: Add authentication check + // @TODO: Implement peer synchronization + // @TODO: Return sync status and results + + rw.Header().Set("Content-Type", "application/json") + json.NewEncoder(rw).Encode(map[string]string{"status": "peer sync not implemented"}) +} + +// Console command handler + +// handleConsoleCommand executes administrative commands +func (w *World) handleConsoleCommand(rw http.ResponseWriter, r *http.Request) { + if r.Method != http.MethodPost { + http.Error(rw, "Method not allowed", http.StatusMethodNotAllowed) + return + } + + // @TODO: Add authentication check + // @TODO: Parse command from request body + // @TODO: Validate command permissions + // @TODO: Execute command and return results + // @TODO: Log command execution + + rw.Header().Set("Content-Type", "application/json") + json.NewEncoder(rw).Encode(map[string]string{"status": "console commands not implemented"}) +} + +// Helper methods for web handlers + +// getWorldTime returns thread-safe copy of world time +func (w *World) getWorldTime() WorldTime { + w.worldTimeMux.RLock() + defer w.worldTimeMux.RUnlock() + return w.worldTime +} + +// startWebServer starts the web server in a goroutine +func (w *World) startWebServer() { + if w.webServer == nil { + return + } + + go func() { + if err := w.webServer.ListenAndServe(); err != nil && err != http.ErrServerClosed { + fmt.Printf("Web server error: %v\n", err) + } + }() +} + +// stopWebServer gracefully stops the web server +func (w *World) stopWebServer() error { + if w.webServer == nil { + return nil + } + + ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + + return w.webServer.Shutdown(ctx) +} diff --git a/cmd/world_server/world.go b/cmd/world_server/world.go new file mode 100644 index 0000000..e79e28b --- /dev/null +++ b/cmd/world_server/world.go @@ -0,0 +1,830 @@ +package main + +import ( + "context" + "fmt" + "log" + "net/http" + "sync" + "time" + + "eq2emu/internal/database" + "eq2emu/internal/udp" +) + +// WorldTime represents the in-game time +type WorldTime struct { + Year int32 `json:"year"` + Month int32 `json:"month"` + Day int32 `json:"day"` + Hour int32 `json:"hour"` + Minute int32 `json:"minute"` +} + +// WorldConfig holds all world server configuration +type WorldConfig struct { + // Network settings + ListenAddr string `json:"listen_addr"` + ListenPort int `json:"listen_port"` + MaxClients int `json:"max_clients"` + BufferSize int `json:"buffer_size"` + + // Web server settings + WebAddr string `json:"web_addr"` + WebPort int `json:"web_port"` + CertFile string `json:"cert_file"` + KeyFile string `json:"key_file"` + KeyPassword string `json:"key_password"` + WebUser string `json:"web_user"` + WebPassword string `json:"web_password"` + + // Database settings + DatabasePath string `json:"database_path"` + + // Game settings + XPRate float64 `json:"xp_rate"` + TSXPRate float64 `json:"ts_xp_rate"` + VitalityRate float64 `json:"vitality_rate"` + + // Server settings + LogLevel string `json:"log_level"` + ThreadedLoad bool `json:"threaded_load"` + WorldLocked bool `json:"world_locked"` + IsPrimary bool `json:"is_primary"` + + // Login server settings + LoginServers []LoginServerInfo `json:"login_servers"` + + // Peer server settings + PeerServers []PeerServerInfo `json:"peer_servers"` + PeerPriority int `json:"peer_priority"` +} + +// LoginServerInfo represents login server connection details +type LoginServerInfo struct { + Address string `json:"address"` + Port int `json:"port"` + Account string `json:"account"` + Password string `json:"password"` +} + +// PeerServerInfo represents peer server connection details +type PeerServerInfo struct { + Address string `json:"address"` + Port int `json:"port"` +} + +// ClientInfo represents a connected client +type ClientInfo struct { + ID int32 `json:"id"` + AccountID int32 `json:"account_id"` + CharacterID int32 `json:"character_id"` + Name string `json:"name"` + ZoneID int32 `json:"zone_id"` + ConnectedAt time.Time `json:"connected_at"` + LastActive time.Time `json:"last_active"` + IPAddress string `json:"ip_address"` +} + +// ZoneInfo represents zone server information +type ZoneInfo struct { + ID int32 `json:"id"` + Name string `json:"name"` + Description string `json:"description"` + PlayerCount int32 `json:"player_count"` + MaxPlayers int32 `json:"max_players"` + IsShutdown bool `json:"is_shutdown"` + Address string `json:"address"` + Port int `json:"port"` +} + +// ServerStats holds server statistics +type ServerStats struct { + StartTime time.Time `json:"start_time"` + ClientCount int32 `json:"client_count"` + ZoneCount int32 `json:"zone_count"` + TotalConnections int64 `json:"total_connections"` + PacketsProcessed int64 `json:"packets_processed"` + DataLoaded bool `json:"data_loaded"` + ItemsLoaded bool `json:"items_loaded"` + SpellsLoaded bool `json:"spells_loaded"` + QuestsLoaded bool `json:"quests_loaded"` +} + +// World represents the main world server +type World struct { + config *WorldConfig + db *database.DB + + // Network components + udpServer *udp.Server + webServer *http.Server + + // Game state + worldTime WorldTime + worldTimeMux sync.RWMutex + + // Client management + clients map[int32]*ClientInfo + clientsMux sync.RWMutex + + // Zone management + zones map[int32]*ZoneInfo + zonesMux sync.RWMutex + + // Statistics + stats ServerStats + statsMux sync.RWMutex + + // Control + ctx context.Context + cancel context.CancelFunc + shutdownWg *sync.WaitGroup + + // Timers + timeTickTimer *time.Ticker + saveTimer *time.Ticker + vitalityTimer *time.Ticker + statsTimer *time.Ticker + watchdogTimer *time.Ticker + loginCheckTimer *time.Ticker + + // Loading state + loadingMux sync.RWMutex + itemsLoaded bool + spellsLoaded bool + questsLoaded bool + traitsLoaded bool + dataLoaded bool +} + +// NewWorld creates a new world server instance +func NewWorld(config *WorldConfig) (*World, error) { + ctx, cancel := context.WithCancel(context.Background()) + + db, err := database.Open(config.DatabasePath) + if err != nil { + cancel() + return nil, fmt.Errorf("failed to open database: %w", err) + } + + w := &World{ + config: config, + db: db, + ctx: ctx, + cancel: cancel, + shutdownWg: &sync.WaitGroup{}, + clients: make(map[int32]*ClientInfo), + zones: make(map[int32]*ZoneInfo), + stats: ServerStats{ + StartTime: time.Now(), + }, + } + + // Initialize world time from database + if err := w.loadWorldTime(); err != nil { + log.Printf("Warning: failed to load world time: %v", err) + w.setDefaultWorldTime() + } + + return w, nil +} + +// Initialize sets up all world server components +func (w *World) Initialize() error { + log.Println("Loading System Data...") + + // Initialize database schema + if err := w.initializeDatabase(); err != nil { + return fmt.Errorf("database initialization failed: %w", err) + } + + // Load game data (threaded or sequential) + if w.config.ThreadedLoad { + log.Println("Using threaded loading of static data...") + if err := w.loadGameDataThreaded(); err != nil { + return fmt.Errorf("threaded game data loading failed: %w", err) + } + } else { + if err := w.loadGameData(); err != nil { + return fmt.Errorf("game data loading failed: %w", err) + } + } + + // Setup UDP server for game connections + if err := w.setupUDPServer(); err != nil { + return fmt.Errorf("UDP server setup failed: %w", err) + } + + // Setup web server for admin/API + if err := w.setupWebServer(); err != nil { + return fmt.Errorf("web server setup failed: %w", err) + } + + // Initialize timers + w.initializeTimers() + + log.Println("World Server initialization complete") + return nil +} + +// Run starts the world server main loop +func (w *World) Run() error { + // Start background processes + w.shutdownWg.Add(6) + go w.processTimeUpdates() + go w.processSaveOperations() + go w.processVitalityUpdates() + go w.processStatsUpdates() + go w.processWatchdog() + go w.processLoginCheck() + + // Start network servers + if w.udpServer != nil { + go func() { + if err := w.udpServer.Start(); err != nil { + log.Printf("UDP server error: %v", err) + } + }() + } + + // Start web server + w.startWebServer() + + log.Printf("World Server running on UDP %s:%d, Web %s:%d", + w.config.ListenAddr, w.config.ListenPort, + w.config.WebAddr, w.config.WebPort) + + // Wait for shutdown signal + <-w.ctx.Done() + + return w.shutdown() +} + +// Shutdown gracefully stops the world server +func (w *World) Shutdown() { + log.Println("Initiating World Server shutdown...") + w.cancel() +} + +// setupUDPServer initializes the UDP server for game client connections +func (w *World) setupUDPServer() error { + handler := func(conn *udp.Connection, packet *udp.ApplicationPacket) { + w.handleGamePacket(conn, packet) + } + + config := udp.DefaultConfig() + config.MaxConnections = w.config.MaxClients + config.BufferSize = w.config.BufferSize + config.EnableCompression = true + config.EnableEncryption = true + + addr := fmt.Sprintf("%s:%d", w.config.ListenAddr, w.config.ListenPort) + server, err := udp.NewServer(addr, handler, config) + if err != nil { + return err + } + + w.udpServer = server + return nil +} + +// initializeTimers sets up all periodic timers +func (w *World) initializeTimers() { + w.timeTickTimer = time.NewTicker(5 * time.Second) // Game time updates + w.saveTimer = time.NewTicker(5 * time.Minute) // Save operations + w.vitalityTimer = time.NewTicker(1 * time.Hour) // Vitality updates + w.statsTimer = time.NewTicker(1 * time.Minute) // Statistics updates + w.watchdogTimer = time.NewTicker(30 * time.Second) // Watchdog checks + w.loginCheckTimer = time.NewTicker(30 * time.Second) // Login server check +} + +// Background processes + +// processTimeUpdates handles game world time progression +func (w *World) processTimeUpdates() { + defer w.shutdownWg.Done() + + for { + select { + case <-w.ctx.Done(): + return + case <-w.timeTickTimer.C: + w.updateWorldTime() + } + } +} + +// processSaveOperations handles periodic save operations +func (w *World) processSaveOperations() { + defer w.shutdownWg.Done() + + for { + select { + case <-w.ctx.Done(): + return + case <-w.saveTimer.C: + w.saveWorldState() + } + } +} + +// processVitalityUpdates handles vitality system updates +func (w *World) processVitalityUpdates() { + defer w.shutdownWg.Done() + + for { + select { + case <-w.ctx.Done(): + return + case <-w.vitalityTimer.C: + w.updateVitality() + } + } +} + +// processStatsUpdates handles statistics collection +func (w *World) processStatsUpdates() { + defer w.shutdownWg.Done() + + for { + select { + case <-w.ctx.Done(): + return + case <-w.statsTimer.C: + w.updateStatistics() + } + } +} + +// processWatchdog handles connection timeouts and cleanup +func (w *World) processWatchdog() { + defer w.shutdownWg.Done() + + for { + select { + case <-w.ctx.Done(): + return + case <-w.watchdogTimer.C: + w.cleanupInactiveClients() + w.cleanupTimeoutConnections() + } + } +} + +// processLoginCheck handles login server connectivity +func (w *World) processLoginCheck() { + defer w.shutdownWg.Done() + + for { + select { + case <-w.ctx.Done(): + return + case <-w.loginCheckTimer.C: + w.checkLoginServers() + } + } +} + +// Game packet handling +func (w *World) handleGamePacket(conn *udp.Connection, packet *udp.ApplicationPacket) { + // Update connection activity + w.updateConnectionActivity(conn) + + // Route packet based on opcode + switch packet.Opcode { + case 0x2000: // Login request + w.handleLoginRequest(conn, packet) + case 0x0020: // Zone change request + w.handleZoneChange(conn, packet) + case 0x0080: // Client command + w.handleClientCommand(conn, packet) + case 0x01F0: // Chat message + w.handleChatMessage(conn, packet) + default: + // @TODO: Implement comprehensive packet routing + log.Printf("Unhandled packet opcode: 0x%04X, size: %d", packet.Opcode, len(packet.Data)) + } + + // Update packet statistics + w.statsMux.Lock() + w.stats.PacketsProcessed++ + w.statsMux.Unlock() +} + +// Game packet handlers +func (w *World) handleLoginRequest(conn *udp.Connection, packet *udp.ApplicationPacket) { + // @TODO: Parse login request packet + // @TODO: Validate credentials with login server + // @TODO: Create client session + // @TODO: Send login response + + log.Printf("Login request from connection %d", conn.GetSessionID()) +} + +func (w *World) handleZoneChange(conn *udp.Connection, packet *udp.ApplicationPacket) { + // @TODO: Parse zone change request + // @TODO: Validate zone transfer + // @TODO: Coordinate with zone servers + // @TODO: Send zone change response + + log.Printf("Zone change request from connection %d", conn.GetSessionID()) +} + +func (w *World) handleClientCommand(conn *udp.Connection, packet *udp.ApplicationPacket) { + // @TODO: Parse client command packet + // @TODO: Process administrative commands + // @TODO: Route to appropriate handlers + + log.Printf("Client command from connection %d", conn.GetSessionID()) +} + +func (w *World) handleChatMessage(conn *udp.Connection, packet *udp.ApplicationPacket) { + // @TODO: Parse chat message packet + // @TODO: Handle channel routing + // @TODO: Apply filters and permissions + // @TODO: Broadcast to appropriate recipients + + log.Printf("Chat message from connection %d", conn.GetSessionID()) +} + +// Game state management +func (w *World) updateWorldTime() { + w.worldTimeMux.Lock() + defer w.worldTimeMux.Unlock() + + w.worldTime.Minute++ + if w.worldTime.Minute >= 60 { + w.worldTime.Minute = 0 + w.worldTime.Hour++ + if w.worldTime.Hour >= 24 { + w.worldTime.Hour = 0 + w.worldTime.Day++ + if w.worldTime.Day >= 30 { + w.worldTime.Day = 0 + w.worldTime.Month++ + if w.worldTime.Month >= 12 { + w.worldTime.Month = 0 + w.worldTime.Year++ + } + } + } + } + + // @TODO: Broadcast time update to all zones/clients + // @TODO: Save time to database periodically +} + +func (w *World) saveWorldState() { + // @TODO: Save world time to database + // @TODO: Save player data + // @TODO: Save guild data + // @TODO: Save zone states + // @TODO: Save server statistics + + log.Println("Saving world state...") +} + +func (w *World) updateVitality() { + // @TODO: Update player vitality for offline/resting players + // @TODO: Broadcast vitality updates to zones + // @TODO: Apply vitality bonuses + + log.Println("Updating vitality...") +} + +func (w *World) updateStatistics() { + w.statsMux.Lock() + defer w.statsMux.Unlock() + + // Update client count + w.clientsMux.RLock() + w.stats.ClientCount = int32(len(w.clients)) + w.clientsMux.RUnlock() + + // Update zone count + w.zonesMux.RLock() + w.stats.ZoneCount = int32(len(w.zones)) + w.zonesMux.RUnlock() + + // Update loading status + w.loadingMux.RLock() + w.stats.DataLoaded = w.dataLoaded + w.stats.ItemsLoaded = w.itemsLoaded + w.stats.SpellsLoaded = w.spellsLoaded + w.stats.QuestsLoaded = w.questsLoaded + w.loadingMux.RUnlock() +} + +func (w *World) cleanupInactiveClients() { + w.clientsMux.Lock() + defer w.clientsMux.Unlock() + + timeout := time.Now().Add(-5 * time.Minute) + for id, client := range w.clients { + if client.LastActive.Before(timeout) { + log.Printf("Removing inactive client %d (%s)", id, client.Name) + delete(w.clients, id) + } + } +} + +func (w *World) cleanupTimeoutConnections() { + // @TODO: Clean up timed out UDP connections + // @TODO: Update connection statistics +} + +func (w *World) checkLoginServers() { + // @TODO: Check connectivity to login servers + // @TODO: Attempt reconnection if disconnected + // @TODO: Update server status +} + +func (w *World) updateConnectionActivity(conn *udp.Connection) { + sessionID := conn.GetSessionID() + + w.clientsMux.Lock() + if client, exists := w.clients[int32(sessionID)]; exists { + client.LastActive = time.Now() + } + w.clientsMux.Unlock() +} + +// Database operations +func (w *World) initializeDatabase() error { + // @TODO: Create/update database schema tables + // @TODO: Initialize character tables + // @TODO: Initialize guild tables + // @TODO: Initialize item tables + // @TODO: Initialize zone tables + + log.Println("Database schema initialized") + return nil +} + +func (w *World) loadGameData() error { + log.Println("Loading game data sequentially...") + + // Load items + log.Println("Loading items...") + if err := w.loadItems(); err != nil { + return fmt.Errorf("failed to load items: %w", err) + } + + // Load spells + log.Println("Loading spells...") + if err := w.loadSpells(); err != nil { + return fmt.Errorf("failed to load spells: %w", err) + } + + // Load quests + log.Println("Loading quests...") + if err := w.loadQuests(); err != nil { + return fmt.Errorf("failed to load quests: %w", err) + } + + // Load additional data + if err := w.loadTraits(); err != nil { + return fmt.Errorf("failed to load traits: %w", err) + } + + if err := w.loadNPCs(); err != nil { + return fmt.Errorf("failed to load NPCs: %w", err) + } + + if err := w.loadZones(); err != nil { + return fmt.Errorf("failed to load zones: %w", err) + } + + w.loadingMux.Lock() + w.dataLoaded = true + w.loadingMux.Unlock() + + log.Println("Game data loading complete") + return nil +} + +func (w *World) loadGameDataThreaded() error { + log.Println("Loading game data with threads...") + + var wg sync.WaitGroup + errChan := make(chan error, 10) + + // Load items in thread + wg.Add(1) + go func() { + defer wg.Done() + log.Println("Loading items...") + if err := w.loadItems(); err != nil { + errChan <- fmt.Errorf("failed to load items: %w", err) + return + } + w.loadingMux.Lock() + w.itemsLoaded = true + w.loadingMux.Unlock() + log.Println("Items loaded") + }() + + // Load spells in thread + wg.Add(1) + go func() { + defer wg.Done() + log.Println("Loading spells...") + if err := w.loadSpells(); err != nil { + errChan <- fmt.Errorf("failed to load spells: %w", err) + return + } + w.loadingMux.Lock() + w.spellsLoaded = true + w.loadingMux.Unlock() + log.Println("Spells loaded") + }() + + // Load quests in thread + wg.Add(1) + go func() { + defer wg.Done() + log.Println("Loading quests...") + if err := w.loadQuests(); err != nil { + errChan <- fmt.Errorf("failed to load quests: %w", err) + return + } + w.loadingMux.Lock() + w.questsLoaded = true + w.loadingMux.Unlock() + log.Println("Quests loaded") + }() + + // Wait for completion + go func() { + wg.Wait() + close(errChan) + }() + + // Check for errors + for err := range errChan { + if err != nil { + return err + } + } + + // Load additional data sequentially + if err := w.loadTraits(); err != nil { + return fmt.Errorf("failed to load traits: %w", err) + } + + if err := w.loadNPCs(); err != nil { + return fmt.Errorf("failed to load NPCs: %w", err) + } + + if err := w.loadZones(); err != nil { + return fmt.Errorf("failed to load zones: %w", err) + } + + // Wait for threaded loads to complete + for !w.isDataLoaded() { + time.Sleep(100 * time.Millisecond) + } + + w.loadingMux.Lock() + w.dataLoaded = true + w.loadingMux.Unlock() + + log.Println("Threaded game data loading complete") + return nil +} + +// Data loading functions +func (w *World) loadItems() error { + // @TODO: Load items from database + // @TODO: Build item lookup tables + // @TODO: Load item templates + // @TODO: Initialize item factories + + return nil +} + +func (w *World) loadSpells() error { + // @TODO: Load spells from database + // @TODO: Build spell lookup tables + // @TODO: Load spell effects + // @TODO: Initialize spell system + + return nil +} + +func (w *World) loadQuests() error { + // @TODO: Load quests from database + // @TODO: Build quest lookup tables + // @TODO: Load quest rewards + // @TODO: Initialize quest system + + return nil +} + +func (w *World) loadTraits() error { + // @TODO: Load traits from database + // @TODO: Build trait trees + // @TODO: Initialize trait system + + return nil +} + +func (w *World) loadNPCs() error { + // @TODO: Load NPCs from database + // @TODO: Load NPC templates + // @TODO: Load NPC spawn data + + return nil +} + +func (w *World) loadZones() error { + // @TODO: Load zone definitions + // @TODO: Load zone spawn points + // @TODO: Initialize zone management + + return nil +} + +func (w *World) loadWorldTime() error { + // @TODO: Load world time from database + w.worldTime = WorldTime{ + Year: 3800, + Month: 0, + Day: 0, + Hour: 8, + Minute: 30, + } + return nil +} + +func (w *World) setDefaultWorldTime() { + w.worldTimeMux.Lock() + defer w.worldTimeMux.Unlock() + + w.worldTime = WorldTime{ + Year: 3800, + Month: 0, + Day: 0, + Hour: 8, + Minute: 30, + } +} + +func (w *World) isDataLoaded() bool { + w.loadingMux.RLock() + defer w.loadingMux.RUnlock() + + if w.config.ThreadedLoad { + return w.itemsLoaded && w.spellsLoaded && w.questsLoaded && w.traitsLoaded + } + return w.dataLoaded +} + +// Cleanup and shutdown +func (w *World) shutdown() error { + log.Println("Shutting down World Server...") + + // Stop timers + if w.timeTickTimer != nil { + w.timeTickTimer.Stop() + } + if w.saveTimer != nil { + w.saveTimer.Stop() + } + if w.vitalityTimer != nil { + w.vitalityTimer.Stop() + } + if w.statsTimer != nil { + w.statsTimer.Stop() + } + if w.watchdogTimer != nil { + w.watchdogTimer.Stop() + } + if w.loginCheckTimer != nil { + w.loginCheckTimer.Stop() + } + + // Stop network servers + if err := w.stopWebServer(); err != nil { + log.Printf("Error stopping web server: %v", err) + } + + if w.udpServer != nil { + w.udpServer.Stop() + } + + // Wait for background processes + w.shutdownWg.Wait() + + // Save final state + w.saveWorldState() + + // Close database + if w.db != nil { + w.db.Close() + } + + log.Println("World Server shutdown complete") + return nil +}