feat(go): Port full Ananta private server to Go architecture

internal/config/config.go

@@ -0,0 +1,156 @@
+package config
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+type Config struct {
+	Client  ClientConfig  `json:"client"`
+	Network NetworkConfig `json:"network"`
+	Admin   AdminConfig   `json:"admin"`
+	Player  PlayerConfig  `json:"player"`
+	World   WorldConfig   `json:"world"`
+}
+
+type ClientConfig struct {
+	Version                int    `json:"version"`
+	ArtifactVersion        string `json:"artifactVersion"`
+	ServerID               int    `json:"serverId"`
+	Aid                    int    `json:"aid"`
+	RpcMd5                 string `json:"rpcMd5"`
+	NoMoreHotfixPatchError uint32 `json:"noMoreHotfixPatchError"`
+}
+
+type NetworkConfig struct {
+	BindHost          string      `json:"bindHost"`
+	AdvertisedHost    string      `json:"advertisedHost"`
+	LoginPorts        []int       `json:"loginPorts"`
+	GamePort          int         `json:"gamePort"`
+	SocketHeartbeatMs int         `json:"socketHeartbeatMs"`
+	WriteTimeoutMs    int         `json:"writeTimeoutMs"`
+	Proxy             ProxyConfig `json:"proxy"`
+}
+
+type ProxyConfig struct {
+	HttpsPort             int    `json:"httpsPort"`
+	HttpPort              int    `json:"httpPort"`
+	LoginListPort         int    `json:"loginListPort"`
+	LoginTcpPort          int    `json:"loginTcpPort"`
+	GameTcpPort           int    `json:"gameTcpPort"`
+	SceneSubPort          int    `json:"sceneSubPort"`
+	FastPatchPort         int    `json:"fastPatchPort"`
+	UpdateHost            string `json:"updateHost"`
+	CertificatePassphrase string `json:"certificatePassphrase"`
+}
+
+type AdminConfig struct {
+	Enabled bool   `json:"enabled"`
+	Host    string `json:"host"`
+	Port    int    `json:"port"`
+}
+
+type PlayerConfig struct {
+	Pid                     uint64 `json:"pid"`
+	InitialUnitId           uint64 `json:"initialUnitId"`
+	InitialSpiritTemplateId uint32 `json:"initialSpiritTemplateId"`
+	AccountId               string `json:"accountId"`
+	UserName                string `json:"userName"`
+	DisplayName             string `json:"displayName"`
+	LoginToken              string `json:"loginToken"`
+	GameToken               string `json:"gameToken"`
+	LoginUniverseId         uint32 `json:"loginUniverseId"`
+	ShareToken              string `json:"shareToken"`
+	FpPassToken             string `json:"fpPassToken"`
+	Skey                    string `json:"skey"`
+}
+
+type Vec3 struct {
+	X float64 `json:"x"`
+	Y float64 `json:"y"`
+	Z float64 `json:"z"`
+}
+
+type WorldConfig struct {
+	RaidId              uint32  `json:"raidId"`
+	SceneInstanceId     uint64  `json:"sceneInstanceId"`
+	UniverseId          uint32  `json:"universeId"`
+	Spawn               Vec3    `json:"spawn"`
+	Facing              float32 `json:"facing"`
+	EntryOpeningEnabled bool    `json:"entryOpeningEnabled"`
+}
+
+// LoadConfig reads and parses private-server.json from the specified path or standard locations.
+func LoadConfig(path string) (*Config, error) {
+	if path == "" {
+		candidates := []string{
+			"config/private-server.json",
+			"../config/private-server.json",
+			"../../config/private-server.json",
+		}
+		for _, c := range candidates {
+			if _, err := os.Stat(c); err == nil {
+				path = c
+				break
+			}
+		}
+	}
+
+	if path == "" {
+		return nil, fmt.Errorf("config/private-server.json not found")
+	}
+
+	absPath, err := filepath.Abs(path)
+	if err != nil {
+		absPath = path
+	}
+
+	data, err := os.ReadFile(absPath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read config from %s: %w", absPath, err)
+	}
+
+	var cfg Config
+	if err := json.Unmarshal(data, &cfg); err != nil {
+		return nil, fmt.Errorf("failed to parse json config from %s: %w", absPath, err)
+	}
+
+	// Apply default values if omitted
+	if cfg.Network.BindHost == "" {
+		cfg.Network.BindHost = "0.0.0.0"
+	}
+	if cfg.Network.AdvertisedHost == "" {
+		cfg.Network.AdvertisedHost = "127.0.0.1"
+	}
+	if len(cfg.Network.LoginPorts) == 0 {
+		cfg.Network.LoginPorts = []int{5200, 5201}
+	}
+	if cfg.Network.GamePort == 0 {
+		cfg.Network.GamePort = 5202
+	}
+	if cfg.Network.Proxy.HttpsPort == 0 {
+		cfg.Network.Proxy.HttpsPort = 443
+	}
+	if cfg.Network.Proxy.HttpPort == 0 {
+		cfg.Network.Proxy.HttpPort = 80
+	}
+	if cfg.Network.Proxy.LoginListPort == 0 {
+		cfg.Network.Proxy.LoginListPort = 5801
+	}
+	if cfg.Admin.Port == 0 {
+		cfg.Admin.Port = 17888
+	}
+	if cfg.Player.Pid == 0 {
+		cfg.Player.Pid = 100
+	}
+	if cfg.Player.InitialUnitId == 0 {
+		cfg.Player.InitialUnitId = 100000000000
+	}
+	if cfg.Player.InitialSpiritTemplateId == 0 {
+		cfg.Player.InitialSpiritTemplateId = 15020967 // Default character
+	}
+
+	return &cfg, nil
+}