first commit

cmd/server/main.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"a301_game_server/config"
+	"a301_game_server/internal/db"
+	"a301_game_server/internal/game"
+	"a301_game_server/internal/network"
+	"a301_game_server/pkg/logger"
+)
+
+func main() {
+	configPath := flag.String("config", "config/config.yaml", "path to configuration file")
+	flag.Parse()
+
+	cfg, err := config.Load(*configPath)
+	if err != nil {
+		panic("failed to load config: " + err.Error())
+	}
+
+	if err := logger.Init(cfg.Log.Level); err != nil {
+		panic("failed to init logger: " + err.Error())
+	}
+	defer logger.Sync()
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	// Connect to PostgreSQL.
+	dbPool, err := db.NewPool(ctx, &cfg.Database)
+	if err != nil {
+		logger.Fatal("failed to connect to database", "error", err)
+	}
+	defer dbPool.Close()
+
+	// Run migrations.
+	if err := dbPool.RunMigrations(ctx); err != nil {
+		logger.Fatal("failed to run migrations", "error", err)
+	}
+
+	// Create game server.
+	gs := game.NewGameServer(cfg, dbPool)
+	gs.Start()
+	defer gs.Stop()
+
+	// Create and start network server.
+	srv := network.NewServer(cfg, gs)
+
+	// Graceful shutdown on SIGINT/SIGTERM.
+	sigCh := make(chan os.Signal, 1)
+	signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
+
+	go func() {
+		sig := <-sigCh
+		logger.Info("received signal, shutting down", "signal", sig)
+		cancel()
+	}()
+
+	logger.Info("game server starting",
+		"address", cfg.Server.Address(),
+		"tickRate", cfg.World.TickRate,
+		"aoiEnabled", cfg.World.AOI.Enabled,
+	)
+
+	if err := srv.Start(ctx); err != nil {
+		logger.Fatal("server error", "error", err)
+	}
+
+	logger.Info("server shutdown complete")
+}