support for "WorldEvents" (ship battle)

src/CommandHandlers/DateTimeHandler.cs

@@ -9,7 +9,7 @@ class DateTimeHandler : ICommandHandler {
     public void Handle(Client client, NetworkObject receivedObject) {
         NetworkObject cmd = new();
         NetworkObject obj = new();
-        obj.Add("arr", new string[] { "DT", DateTime.UtcNow.ToString("MM/dd/yyyy HH:mm") });
+        obj.Add("arr", new string[] { "DT", DateTime.UtcNow.ToString("MM/dd/yyyy HH:mm:ss") });
         cmd.Add("c", "DT");
         cmd.Add("p", obj);
         client.Send(NetworkObject.WrapObject(1, 13, cmd).Serialize());

src/CommandHandlers/JoinRoomHandler.cs

@@ -14,9 +14,7 @@ class JoinRoomHandler : ICommandHandler
         string roomName = receivedObject.Get<NetworkObject>("p").Get<string>("rn");
         client.LeaveRoom();
         client.InvalidatePlayerData();
-        if (!Room.Exists(roomName))
-            Room.Add(roomName);
-        room = Room.Get(roomName);
+        room = Room.GetOrAdd(roomName);
         Console.WriteLine($"Join Room: {roomName} RoomID: {room.Id} IID: {client.ClientID}");
         this.client = client;
 

src/CommandHandlers/LoginHandler.cs

@@ -28,6 +28,25 @@ class LoginHandler : ICommandHandler
 
         NetworkArray r2 = new();
 
+        NetworkArray we = new();
+        NetworkArray we1 = new();
+        NetworkArray we2 = new();
+        
+        we1.Add("WE_ScoutAttack");
+        we1.Add((Byte)4);
+        we1.Add(WorldEvent.Get().EventInfo());
+        we1.Add(false);
+        we1.Add(true);
+        
+        we2.Add("WEN_ScoutAttack");
+        we2.Add((Byte)4);
+        we2.Add(WorldEvent.Get().EventInfoNext());
+        we2.Add(false);
+        we2.Add(true);
+        
+        we.Add(we1);
+        we.Add(we2);
+        
         r2.Add(1);
         r2.Add("ADMIN");
         r2.Add("default");
@@ -36,7 +55,7 @@ class LoginHandler : ICommandHandler
         r2.Add(true);
         r2.Add((short)0);
         r2.Add((short)1);
-        r2.Add(new NetworkArray());
+        r2.Add(we);
         rl.Add(r2);
 
         NetworkArray r3 = new();

src/CommandHandlers/WorldEventHandlers.cs

@@ -0,0 +1,115 @@
+using System.Globalization;
+using sodoffmmo.Attributes;
+using sodoffmmo.Core;
+using sodoffmmo.Data;
+
+namespace sodoffmmo.CommandHandlers;
+
+[ExtensionCommandHandler("wex.WES")] // event status request
+class WorldEventStatusHandler : ICommandHandler {
+    public void Handle(Client client, NetworkObject receivedObject) {
+        client.Send(Utils.ArrNetworkPacket( new string[] {
+            "WESR",
+            "WE_ScoutAttack|" + WorldEvent.Get().EventInfo()
+        }));
+    }
+}
+
+[ExtensionCommandHandler("wex.OV")] 
+class WorldEventHealthHandler : ICommandHandler {
+    // rec: {"a":13,"c":1,"p":{"c":"wex.OV","p":{"en":"","event":"ScoutAttack","eventUID":"ZydLUmCC","oh":"0.003444444","uid":"ZydLUmCC1"},"r":-1}}
+    public void Handle(Client client, NetworkObject receivedObject) {
+        NetworkObject p = receivedObject.Get<NetworkObject>("p");
+        float healthUpdateVal = float.Parse(
+            p.Get<string>("oh"),
+            System.Globalization.CultureInfo.InvariantCulture
+        );
+        string targetUid = p.Get<string>("uid");
+        
+        float health = WorldEvent.Get().UpdateHealth(targetUid, healthUpdateVal);
+        
+        if (health >= 0.0f) {
+            // send: {"a":11,"c":0,"p":{"r":367256,"vl":[["WEH_ZydLUmCC1",4,"0.33133352,Thu Jun 22 02:02:43 UTC 2023",false,false]]}}
+            NetworkPacket packet = Utils.VlNetworkPacket(
+                "WEH_" + targetUid,
+                health.ToString("0.0#####", CultureInfo.GetCultureInfo("en-US")) + "," + DateTime.UtcNow.ToString("ddd MMM dd HH:mm:ss UTC yyyy", CultureInfo.GetCultureInfo("en-US"))
+            );
+            foreach (var roomClient in WorldEvent.Get().GetRoom().Clients) {
+                roomClient.Send(packet);
+            }
+        }
+    }
+}
+
+[ExtensionCommandHandler("wex.OVF")] // flare info from ship AI -> resend as WEF_
+class WorldEventFlareHandler : ICommandHandler {
+    // rec: {"a":13,"c":1,"p":{"c":"wex.OVF","p":{"en":"","fuid":"WpnpDyJ51,14,0","oh":"0","ts":"6/29/2023 3:03:18 AM"},"r":-1}}
+    public void Handle(Client client, NetworkObject receivedObject) {
+        NetworkObject p = receivedObject.Get<NetworkObject>("p");
+        
+        // send: {"a":11,"c":0,"p":{"r":403777,"vl":[["WEF_WpnpDyJ51,14,0",4,"0,6/29/2023 3:03:18 AM",false,false]]}}
+        NetworkPacket packet = Utils.VlNetworkPacket(
+            "WEF_" + p.Get<string>("fuid"),
+            p.Get<string>("oh") + "," + p.Get<string>("ts")
+        );
+        foreach (var roomClient in WorldEvent.Get().GetRoom().Clients) {
+            roomClient.Send(packet);
+        }
+    }
+}
+
+[ExtensionCommandHandler("wex.ST")] // missile info from ship AI -> resend as WA
+class WorldEventMissileHandler : ICommandHandler {
+    // rec: {"a":13,"c":1,"p":{"c":"wex.ST","p":{"en":"","objID":"-4X_gWAo1","tID":"f5b6254a-df78-4e24-aa9d-7e14539fb858","uID":"1f8eeb6b-753f-4e7f-af13-42cdd69d14e7","wID":"5"},"r":-1}}
+    public void Handle(Client client, NetworkObject receivedObject) {
+        NetworkObject p = receivedObject.Get<NetworkObject>("p");
+        
+        // send: {"a":13,"c":1,"p":{"c":"","p":{"arr":["WA","1f8eeb6b-753f-4e7f-af13-42cdd69d14e7","5","f5b6254a-df78-4e24-aa9d-7e14539fb858","-4X_gWAo1"]}}}
+        NetworkPacket packet = Utils.ArrNetworkPacket(new string[] {
+            "WA",
+            p.Get<string>("uID"),
+            p.Get<string>("wID"),
+            p.Get<string>("tID"),
+            p.Get<string>("objID")
+        });
+        foreach (var roomClient in WorldEvent.Get().GetRoom().Clients) {
+            roomClient.Send(packet);
+        }
+    }
+}
+
+[ExtensionCommandHandler("wex.PS")]
+class WorldEventScoreHandler : ICommandHandler {
+    // rec: {"a":13,"c":1,"p":{"c":"wex.PS","p":{"ScoreData":"Datashyo/10","en":"","id":"ScoutAttack"},"r":-1}}
+    public void Handle(Client client, NetworkObject receivedObject) {
+        string scoreData = receivedObject.Get<NetworkObject>("p").Get<string>("ScoreData");
+        WorldEvent.Get().UpdateScore(client, scoreData);
+    }
+}
+
+[ExtensionCommandHandler("wex.AIACK")] // AI ack
+class WorldEventAIACKHandler : ICommandHandler {
+    // rec: {"a":13,"c":1,"p":{"c":"wex.AIACK","p":{"en":"","id":"f322dd98-e9fb-4b2d-a5e0-1c98680517b5","uid":"SoDOff1"},"r":-1}}
+    public void Handle(Client client, NetworkObject receivedObject) {
+        WorldEvent.Get().UpdateAI(client);
+    }
+}
+[ExtensionCommandHandler("wex.AIP")] // AI ping
+class WorldEventAIPingHandler : ICommandHandler {
+    // rec: {"a":13,"c":1,"p":{"c":"wex.AIP","p":{"en":""},"r":-1}}
+    public void Handle(Client client, NetworkObject receivedObject) {
+        WorldEvent.Get().UpdateAI(client);
+    }
+}
+
+[ExtensionCommandHandler("wex.ETS")] // time span
+class WorldEventTimeSpanHandler : ICommandHandler {
+    // rec: {"a":13,"c":1,"p":{"c":"wex.ETS","p":{"en":"","timeSpan":"300"},"r":-1}}
+    public void Handle(Client client, NetworkObject receivedObject) {
+        float timeSpan = float.Parse(
+            receivedObject.Get<NetworkObject>("p").Get<string>("timeSpan"),
+            System.Globalization.CultureInfo.InvariantCulture
+        );
+        WorldEvent.Get().SetTimeSpan(client, timeSpan);
+    }
+}

src/Core/Room.cs

@@ -39,6 +39,12 @@ public class Room {
 
     public static Room Get(string name) => rooms[name];
     
+    public static Room GetOrAdd(string name) {
+        if (!Room.Exists(name))
+                Room.Add(name);
+        return rooms[name];
+    }
+
     public static bool Exists(string name) => rooms.ContainsKey(name);
 
     public static void Add(string name) {

src/Core/Utils.cs

@@ -5,6 +5,8 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
+using sodoffmmo.Data;
+
 namespace sodoffmmo.Core;
 internal static class Utils {
     public static bool VariablesValid(Client client) {
@@ -19,4 +21,32 @@ internal static class Utils {
         }
         return true;
     }
+    
+    public static NetworkPacket VlNetworkPacket(NetworkArray vl2, int roomID) {
+        NetworkObject wedata = new();
+        NetworkArray vl = new();
+        vl.Add(vl2);
+        wedata.Add("r", roomID);
+        wedata.Add("vl", vl);
+        return NetworkObject.WrapObject(0, 11, wedata).Serialize();
+    }
+
+    public static NetworkPacket VlNetworkPacket(string a, string b) {
+        NetworkArray vl2 = new();
+        vl2.Add(a);
+        vl2.Add((Byte)4);
+        vl2.Add(b);
+        vl2.Add(false);
+        vl2.Add(false);
+        return VlNetworkPacket(vl2, WorldEvent.Get().GetRoom().Id);
+    }
+
+    public static NetworkPacket ArrNetworkPacket(string[] data) {
+        NetworkObject cmd = new();
+        NetworkObject obj = new();
+        obj.Add("arr", data);
+        cmd.Add("c", "");
+        cmd.Add("p", obj);
+        return NetworkObject.WrapObject(1, 13, cmd).Serialize();
+    }
 }

src/Core/WorldEvent.cs

@@ -0,0 +1,168 @@
+using System.Globalization;
+using sodoffmmo.Data;
+
+namespace sodoffmmo.Core;
+class WorldEvent {
+    private static WorldEvent _instance = null;
+    private object EventLock = new object();
+    private Random random = new Random();
+    
+    public static WorldEvent Get() {
+        if (_instance == null) {
+            _instance = new WorldEvent();
+        }
+        return _instance;
+    }
+    
+    private WorldEvent() {
+        Reset(0.5f);
+    }
+    
+    private string uid;
+    private Room room;
+    private DateTime startTime;
+    private DateTime endTime;
+    private string startTimeString;
+    private Dictionary<string, float> health;
+    private Dictionary<Client, string> players;
+    private Client operatorAI;
+    private DateTime AITime;
+    private bool endTimeIsSet;
+    
+    private void Reset(float time) {
+        startTime = DateTime.UtcNow.AddMinutes(time);
+        startTimeString = startTime.ToString("MM/dd/yyyy HH:mm:ss");
+        uid = Path.GetRandomFileName().Substring(0, 8); // this is used as RandomSeed for random select ship variant
+        room = Room.GetOrAdd("HubTrainingDO");
+        endTime = startTime.AddMinutes(10);
+        endTimeIsSet = false;
+        operatorAI = null;
+        health = new();
+        players = new();
+    }
+    
+    private void InitEvent() {
+        lock (EventLock) {
+            if (operatorAI is null || AITime < DateTime.UtcNow) {
+                var clients = room.Clients.ToList();
+                operatorAI = clients[random.Next(0, clients.Count)];
+                AITime = DateTime.UtcNow.AddSeconds(3.5);
+            } else {
+                return;
+            }
+        }
+        operatorAI.Send(Utils.VlNetworkPacket("WE__AI", operatorAI.PlayerData.Uid));
+        Console.WriteLine($"Event AI operator: {operatorAI.PlayerData.Uid}");
+    }
+    
+    private bool EndEvent(bool force = false) {
+        bool results = true;
+        string targets = "";
+        foreach (var x in health) {
+            results = results && (x.Value == 0.0f);
+            targets += x.Key + ":" + x.Value.ToString("0.0#####", CultureInfo.GetCultureInfo("en-US")) + ",";
+        }
+        if (results || force) {
+            string scores = "";
+            foreach (var x in players) {
+                scores += x.Value + ",";
+            }
+            
+            NetworkPacket packet = Utils.VlNetworkPacket(
+                "WE_ScoutAttack_End",
+                $"{uid};{results};{scores};{targets}"
+            );
+            foreach (var roomClient in room.Clients) {
+                roomClient.Send(packet);
+            }
+            
+            NetworkObject wedata = new();
+            NetworkArray vl = new();
+            NetworkArray vl1 = new();
+            vl1.Add("WE__AI");
+            vl1.Add((Byte)0);
+            vl1.Add("");
+            vl1.Add(false);
+            vl1.Add(false);
+            vl.Add(vl1);
+            foreach (var t in health) {
+                NetworkArray vl2 = new();
+                vl2.Add("WEH_" + t.Key);
+                vl2.Add((Byte)0);
+                vl2.Add("");
+                vl2.Add(false);
+                vl2.Add(false);
+                vl.Add(vl2);
+                NetworkArray vl3 = new();
+                vl3.Add("WEF_" + t.Key);
+                vl3.Add((Byte)0);
+                vl3.Add("");
+                vl3.Add(false);
+                vl3.Add(false);
+                vl.Add(vl3);
+            }
+            wedata.Add("r", room.Id);
+            wedata.Add("vl", vl);
+            packet = NetworkObject.WrapObject(0, 11, wedata).Serialize();
+            
+            Reset(5);
+            return true;
+        }
+        return false;
+    }
+    
+    public string EventInfo() {
+        return startTimeString + "," + uid + ", false, HubTrainingDO";
+    }
+    
+    public string EventInfoNext() {
+        return startTimeString; // TODO on og this was different time (real next event?)
+    }
+    
+    public string GetUid() => uid;
+    
+    public Room GetRoom() => room;
+    
+    public float UpdateHealth(string targetUid, float updateVal) {
+        InitEvent(); // TODO better place for this
+        
+        if (!health.ContainsKey(targetUid))
+            health.Add(targetUid, 1.0f);
+        health[targetUid] -= updateVal;
+        
+        if (health[targetUid] < 0) {
+            health[targetUid] = 0.0f;
+            if (EndEvent())
+                return -1.0f;
+        }
+        
+        if (endTime < DateTime.UtcNow) {
+            EndEvent(true);
+            return -1.0f;
+        }
+        
+        return health[targetUid];
+    }
+    
+    public void UpdateScore(Client client, string value) {
+        if (!players.ContainsKey(client)) {
+            players.Add(client, value);
+        } else {
+            players[client] = value;
+        }
+    }
+    
+    public void UpdateAI(Client client) {
+        if (client == operatorAI)
+            AITime = DateTime.UtcNow.AddSeconds(7);
+    }
+
+    public void SetTimeSpan(Client client, float seconds) {
+        if (client == operatorAI || !endTimeIsSet) {
+            endTime = startTime.AddSeconds(seconds);
+            endTimeIsSet = true;
+        }
+    }
+    
+    public float GetHealth(string targetUid) => health[targetUid];
+}