Binding correctly to NPC

TestingAI.d

@@ -5,18 +5,42 @@ import std.stdio;
 import std.socket;
 import std.conv;
 import std.utf;
+import std.string;
+
+string receiveWait(Socket sock){
+	bool blocking = sock.blocking;
+
+	sock.blocking = false;
+	ubyte[] rawData;
+	ubyte[256] buf;
+	int recv;
+	while((recv = sock.receive(buf))>=0 || rawData.length==0){
+		if(recv>0){
+			rawData ~= buf[0..recv];
+		}
+
+		Thread.sleep(dur!"msecs"(10));
+	}
+	sock.blocking = blocking;
+	return (cast(char*)rawData.ptr).fromStringz.to!string;
+}
+void sendWait(Socket sock, string data){
+	bool blocking = sock.blocking;
+
+	sock.blocking = true;
+	sock.send(data.toUTF8);
+	sock.blocking = blocking;
+}
 
 void main() {
 	writeln("Start");
 	auto sock = new TcpSocket;
-	sock.blocking = 1;
+	sock.blocking = true;
 	sock.connect(new InternetAddress("127.0.0.1", 8080));
 	writeln("Connected");
 
-	sock.send(`{"action":"bind","target":"testnpc"}`.toUTF8);
+	sock.sendWait(`{"action":"bind","target":"testnpc"}`);
-	writeln("Sent");
+	writeln(sock.receiveWait);
-	Thread.sleep(dur!"seconds"(1));
+
-	sock.send(`{"action":"getenv","target":"testnpc"}`.toUTF8);
+	sock.shutdown(SocketShutdown.BOTH);
-	writeln("Sent2");
-	Thread.sleep(dur!"seconds"(1));
 }

nwn2ai_onmoduleload/Agent.cs

@@ -0,0 +1,193 @@
+using System;
+using System.Reflection;
+using System.Text.RegularExpressions;
+using System.Collections.Generic;
+using System.ComponentModel;
+
+using CLRScriptFramework;
+using NWScript;
+using NWScript.ManagedInterfaceLayer.NWScriptManagedInterface;
+
+using NWEffect = NWScript.NWScriptEngineStructure0;
+using NWEvent = NWScript.NWScriptEngineStructure1;
+using NWLocation = NWScript.NWScriptEngineStructure2;
+using NWTalent = NWScript.NWScriptEngineStructure3;
+using NWItemProperty = NWScript.NWScriptEngineStructure4;
+
+using Newtonsoft.Json;
+
+namespace CLRScript
+{
+    class Agent : CLRScriptBase{
+	    public uint objref;
+
+        public Agent(uint obj){
+            objref = obj;
+        }
+
+	    public float facing{
+		    get{
+			    return _facing;
+		    }
+		    set{
+			    _facing = value;
+			    AssignCommand(objref, ()=>{SetFacing(_facing, TRUE);});
+		    }
+	    }
+
+	    public NWLocation loc{
+		    get{
+			    return _loc;
+		    }
+		    set{
+			    _loc = value;
+			    AssignCommand(objref, ()=>{ActionForceMoveToLocation(_loc, TRUE, 6f);});
+
+			    //Link effect
+			    RemoveSEFFromObject(objref, "nwai_beam_loc");
+			    ApplyEffectToObject(DURATION_TYPE_PERMANENT, EffectNWN2SpecialEffectFile("nwai_beam_loc", OBJECT_INVALID, GetPositionFromLocation(_loc)), objref, -1f);
+		    }
+	    }
+
+	    //Detection
+	    //=======================================================================
+
+	    public bool hasWallFront(float distance=10f){
+		    Vector3 pointFront = Add(GetPositionFromLocation(loc), Multiply(AngleToVector(facing), distance));
+		    return LineOfSightVector(GetPosition(objref), pointFront)==1;
+	    }
+
+	    public bool isInCombat(){
+		    return GetIsInCombat(objref)==1;
+	    }
+
+	    //Json containing
+	    // {"valid":"true", "id":"366642", "name":"Goblin", "distance":"13.37", "difficulty":"13", "hp":"12"}
+	    public dynamic getNearestEnemy(float distanceMax=15f){
+		    uint nearestEnemy = GetNearestCreature(
+			    CREATURE_TYPE_REPUTATION, REPUTATION_TYPE_ENEMY,
+			    objref, 1,
+			    CREATURE_TYPE_PERCEPTION, PERCEPTION_SEEN_AND_HEARD,
+			    CREATURE_TYPE_IS_ALIVE, CREATURE_ALIVE_TRUE);
+
+		
+		    float dist = GetDistanceBetween(nearestEnemy, objref);
+		    return JsonConvert.DeserializeObject<dynamic>("{"
+			    + "\"valid\":\""+(GetIsObjectValid(nearestEnemy)==TRUE && dist<=distanceMax).ToString()+"\","
+			    + "\"id\":\""+(nearestEnemy).ToString()+"\","
+			    + "\"name\":\""+GetName(nearestEnemy)+"\""
+			    + "\"distance\":\""+(dist).ToString()+"\","
+			    + "\"difficulty\":\""+GetChallengeRating(nearestEnemy)+"\""
+			    + "\"hp\":\""+GetCurrentHitPoints(nearestEnemy)+"\""
+			    + "}");
+	    }
+
+	    //Json containing
+	    // {"valid":"true", "id":"366642", "name":"Guethenoc", "distance":"13.37"}
+	    public dynamic getNearestPlayer(float distanceMax=15f){
+		    uint pc = GetNearestCreature(CREATURE_TYPE_PLAYER_CHAR, PLAYER_CHAR_IS_PC, objref, 1, -1,-1,-1,-1);
+
+		    float dist = GetDistanceBetween(pc, objref);
+		    return JsonConvert.DeserializeObject<dynamic>("{"
+			    + "\"valid\":\""+(GetIsObjectValid(pc)==TRUE && dist<=distanceMax).ToString()+"\","
+			    + "\"id\":\""+(pc).ToString()+"\","
+			    + "\"name\":\""+GetName(pc)+"\""
+			    + "\"distance\":\""+(dist).ToString()+"\","
+			    + "}");
+	    }
+
+	    //Actions
+	    //=======================================================================
+
+	    public bool moveForward(float distance=10f){
+		    if(hasWallFront(distance))
+			    return false;
+		
+		    //See NWN2DataLib.AreaSurfaceMesh.PathExists
+
+		    Vector3 pointFront = Add(GetPositionFromLocation(loc), Multiply(AngleToVector(facing), distance));
+		    loc = Location(GetAreaFromLocation(loc), pointFront, facing);
+		    return true;
+	    }
+
+	    public bool attackNearest(float distanceMax=15f){
+		    var nearest = getNearestEnemy(distanceMax);
+		    if(!nearest.valid)
+			    return false;
+
+		    AssignCommand(objref, ()=>{ActionAttack(nearest.id, FALSE);});
+		    return true;
+	    }
+
+	    public bool turn(float angleDeg){
+		    facing+=angleDeg;
+		    return true;
+	    }
+
+	    public bool say(string message){
+		    AssignCommand(objref, ()=>{SpeakString(message, TALKVOLUME_TALK);});
+		
+		    return getNearestPlayer().valid;
+	    }
+
+	    public string callCommand(string command)
+	    {
+		    Regex regexMethod = new Regex(@"([a-zA-Z_]+?)\s*\((.*?)\)");
+		    Regex regexParam = new Regex("(\".*?\"|[0-9\\.]+)");
+
+		    string methodName;
+		    List<string> unparsedParams = new List<string>();
+
+		    MatchCollection matches = regexMethod.Matches(command);
+		    if(matches.Count == 1){
+			    //Match name
+			    methodName = matches[0].Groups[1].ToString();
+
+			    //March parameters
+			    string methodParamList = matches[0].Groups[2].ToString();
+			    MatchCollection paramMatches = regexParam.Matches(methodParamList);
+			    foreach(var p in paramMatches){
+				    unparsedParams.Add(p.ToString().Trim('"'));
+			    }
+		    }
+		    else{
+			    //Failed to parse command
+			    return "";
+		    }
+
+		    MethodInfo method = this.GetType().GetMethod(methodName);
+		    ParameterInfo[] methodParams = method.GetParameters();
+
+		    if(methodParams.Length != unparsedParams.Count){
+			    //Incorrect number of parameters
+			    return "";
+		    }
+
+
+		    List<Object> parsedParams = new List<Object>();
+		    for(int i=0 ; i<methodParams.Length ; i++){
+			    //Handle defaults?
+			    var typeConverter = TypeDescriptor.GetConverter(methodParams[i].ParameterType);
+			    parsedParams.Add(typeConverter.ConvertFromString(unparsedParams[i]));
+		    }
+
+		
+		    return method.Invoke(this, parsedParams.ToArray()).ToString();
+	    }
+
+
+
+
+	    private float _facing;
+	    private NWLocation _loc;
+
+        private Vector3 Multiply(Vector3 v, float f) {
+            v.x*=f; v.y*=f; v.z*=f;
+            return v;
+        }
+        private Vector3 Add(Vector3 v, Vector3 w) {
+            v.x*=w.x; v.y*=w.y; v.z*=w.z;
+            return v;
+        }
+    }
+}

nwn2ai_onmoduleload/nwn2ai_onmoduleload.cs

@@ -74,23 +74,44 @@ namespace CLRScript
             DelayCommand(0.5f, Heartbeat);
 
             //Process queued requests
-            Debug("Proc cmds");
+            //Debug("Proc cmds");
             
             while(sockBufferIn.Count>0){
                 Tuple<string, Socket> req = sockBufferIn.Dequeue();
+                var socket = req.Item2;
 
                 var json = JsonConvert.DeserializeObject<dynamic>(req.Item1);
+                //TODO: check if json correctly parsed
                 switch ((string)json.action) {
                     case "bind": {
                         Debug("Bind request to '"+json.target+"'");
-                        if (!sockClients.ContainsKey(json.target)) {
+
-                            sockClients.Add(json.target, req.Item2);
+                        try {
-                            //Reply ok
+                            if (!sockClients.ContainsKey((string)json.target)) {
+
+                                sockClients.Add((string)json.target, socket);
+                                socket.Send(Encoding.UTF8.GetBytes(
+                                    "{\"action\":\"bindack\", \"result\":\"ok\"}"
+                                ));
+
+                                //handle env
+                            }
+                            else {
+                                socket.Send(Encoding.UTF8.GetBytes(
+                                    "{\"action\":\"bindack\", \"result\":\"failed\", \"message\":\"Socket already binded with this NPC\"}"
+                                ));
+                            }
                         }
-                        else {
+                        catch (Exception e) {
-                            //Reply Already binded
+                            socket.Send(Encoding.UTF8.GetBytes(
+                                "{\"action\":\"bindack\", \"result\":\"failed\", \"message\":\"Thrown exception: "+e.ToString().Replace("\"","\\\"")+"\"}"
+                            ));
                         }
-                        }break;
+                    }break;
+                    case "decision": {
+                        
+
+                    }break;
                 }
             }
         }
@@ -114,25 +135,29 @@ namespace CLRScript
             sockClient.Blocking = true;
 
             while (sockClient.Connected) {
-                byte[] rawData = new byte[sockClient.Available];
+                
                 if (sockClient.Available > 0) {
+                    byte[] rawData = new byte[sockClient.Available];
                     sockClient.Receive(rawData, rawData.Length, 0);
 
                     string data = Encoding.UTF8.GetString(rawData);
-                    //Debug("Queued "+data);
+                    Debug("Queued "+data);
                     sockBufferIn.Enqueue(new Tuple<string,Socket>(data, sockClient));
                 }
-                else
+                Thread.Sleep(10);
-                    Thread.Sleep(100);//TODO: Find another way than sleeping
 
                 
             }
 
+            //Remove stored bind
+            var sock = sockClients.First(kvp => kvp.Value==sockClient);
+            sockClients.Remove(sock.Key);
+
         }
 
         Socket sockServer;
         Queue<Tuple<string,Socket>> sockBufferIn;//Request & client
-
+        
         Dictionary<string, Socket> sockClients;//PNJ tag => Client socket
 
         private void Debug(string msg){

nwn2ai_onmoduleload/nwn2ai_onmoduleload.csproj

@@ -51,6 +51,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Agent.cs" />
     <Compile Include="nwn2ai_onmoduleload.cs" />
     <Compile Include="..\CLRScriptSDK\NWScriptActions.cs" />
     <Compile Include="..\CLRScriptSDK\NWScriptConstants.cs" />