feat: Custom prefixes and basic help command

config.json

@@ -14,6 +14,7 @@
   "ClientMode": "ZZ",
   "QuestCacheExpiry": 300,
   "ProxyPort": 0,
+  "CommandPrefix": "!",
   "DevMode": true,
   "DevModeOptions": {
     "AutoCreateAccount": true,
@@ -78,6 +79,11 @@
     "RealtimeChannelID": ""
   },
   "Commands": [
+    {
+      "Name": "Help",
+      "Enabled": true,
+      "Prefix": "help"
+    },
     {
       "Name": "Rights",
       "Enabled": false,

config/config.go

@@ -81,6 +81,7 @@ type Config struct {
 	RealClientMode         Mode
 	QuestCacheExpiry       int    // Number of seconds to keep quest data cached
 	ProxyPort              uint16 // Forces the game to connect to a channel server proxy
+	CommandPrefix          string // The prefix for commands
 	DevMode                bool
 
 	DevModeOptions  DevModeOptions

server/channelserver/handlers_cast_binary.go

@@ -318,6 +318,12 @@ func parseChatCommand(s *Session, command string) {
 		} else {
 			sendDisabledCommandMessage(s, commands["Teleport"])
 		}
+	case commands["Help"].Prefix:
+		if commands["Help"].Enabled {
+			sendServerChatMessage(s, fmt.Sprintf(s.server.dict["commandTeleportSuccess"], x, y))
+		} else {
+			sendDisabledCommandMessage(s, commands["Help"])
+		}
 	}
 }
 
@@ -391,7 +397,7 @@ func handleMsgSysCastBinary(s *Session, p mhfpacket.MHFPacket) {
 			bf.SetLE()
 			chatMessage := &binpacket.MsgBinChat{}
 			chatMessage.Parse(bf)
-			if strings.HasPrefix(chatMessage.Message, "!") {
+			if strings.HasPrefix(chatMessage.Message, s.server.erupeConfig.CommandPrefix) {
 				parseChatCommand(s, chatMessage.Message)
 				return
 			}