RayTracer currentModel; //Current ray tracer model
public RayTracerRequestHandler(IScriptModuleComms _m_commsMod, Scene _m_scene)
{
isBusy = false;
currentModel = new RayTracer();
m_commsMod = _m_commsMod;
m_scene = _m_scene;
}//constructure
}//constructure
/// <summary>
/// Handle all requests for ray tracing including generating new ray trace model, drawing rays from a model, or
/// delete ray.
/// </summary>
/// <param name="newRequest">All the parameter send from modSendCommand()</param>
public void handleARequest(RayTraceRequest newRequest)
{
//If the command is to generating a new ray tracer model
if (newRequest.command == "RayTrace0To1" || newRequest.command == "RayTrace0ToMax")
{
currentModel.deleteRays();
currentModel = new RayTracer();
if (newRequest.command == "RayTrace0To1")
{
currentModel.RayTrace(true, m_scene, newRequest.input1, newRequest.scriptID);
}
else
{
currentModel.RayTrace(false, m_scene, newRequest.input1, newRequest.scriptID);
}
}//if
//If the command is to select from the existed model (reading a model from a file)
//Input1 in the newRequest must contains file name.
else if(newRequest.command == "RayTraceFromModel")
{
string model = System.IO.File.ReadAllText(@EssentialPaths.getRTModelPath() + newRequest.input1 + ".txt");
currentModel.deleteRays();
currentModel = new RayTracer();
currentModel.RayTraceFromModel(model, m_scene, newRequest.scriptID);
}
//If the command is to get all ray tracer model name
else if(newRequest.command == "GetAllModelsName")
{
string allModels = System.IO.File.ReadAllText(@EssentialPaths.getModelListPath());
m_commsMod.DispatchReply(newRequest.scriptID, 1, "AllModelsName//" + allModels, "");
}
//Else, it is other ray trace commands such as drawing, deleting, calculating power.
else
{
switch (newRequest.command)
{
case "DeleteRayTrace":
currentModel.deleteRays();
break;
case "IDtype0":
currentModel.deleteRays();
currentModel.drawRayPath(0, 0);
break;
case "IDtype1":
currentModel.deleteRays();
currentModel.drawRayPath(1, 0);
break;
case "IDtype2":
currentModel.deleteRays();
currentModel.drawRayPath(2, 0);
break;
case "IDtype3":
currentModel.deleteRays();
currentModel.drawRayPath(3, 0);
break;
case "IDtype4":
currentModel.deleteRays();
currentModel.drawRayPath(4, 0);
break;
case "IDtype5":
currentModel.deleteRays();
currentModel.drawRayPath(5, 0);
break;
case "DrawNextPath":
case "DrawPrevPath":
currentModel.deleteRays();
//Get number of reflection and element index
string[] tokens = newRequest.input1.Split('_');
currentModel.drawRayPath(int.Parse(tokens[0]), int.Parse(tokens[1]));
break;
//This method can only be called after the ray tracer model has been initialised and post initialised
//Input1 contains no of reflection, pathID, and rayID (keys), Input2 contains the position of where
//the ray was pressed;
case "getStrengthAt":
double signalStrength = currentModel.getStrengthAt(newRequest.input1, newRequest.input2);
m_log.DebugFormat("[strength = ]" + signalStrength.ToString());
m_commsMod.DispatchReply(newRequest.scriptID, 1, "Strength: " + signalStrength.ToString(), "");
break;
default: break;
}//switch
}//else
}
}//getStrengthAt
/// <summary>
/// Calculate and return the left-over power after the reflection at the
/// end point of this ray.
/// </summary>
/// <param name="primMaterial">The material which reflecting this ray</param>
/// <returns>Left over power in dBW</returns>
public double getRefLoss(Vector3 intersectPoint, int primMaterial)
{
//To find the angle between 2 vectors
//
// A.B
// ------ = cos(θ)
// |A||B|
Vector3 ray1 = startPoint - endPoint;
Vector3 ray2 = intersectPoint - endPoint;
double airRefractiveIndex = RefrectiveIndex.AIR;
double surfaceRefractiveIndex = RefrectiveIndex.getRefractiveIndex(primMaterial);
//Calculate angle or incident, and reflection/refraction angle.
RayTracer rayTracerModel = new RayTracer();
double incidentAngle = Math.Acos(Vector3.Dot(ray1, ray2) / (ray1.Length() * ray2.Length()));
double reflectionAngle = rayTracerModel.getRefAngle(incidentAngle, airRefractiveIndex, surfaceRefractiveIndex);
//Calculate and return reflection/refraction loss
return RadioPower.ComputeRefloss(airRefractiveIndex, surfaceRefractiveIndex, incidentAngle, reflectionAngle);
}
public PathFromTxToRy(RayTracer parent, Vector3 _start, string _id)
{
rayTracerModel = parent;
transmitterPos = _start;
reachesReceiver = false;
rayList = new Dictionary<string, RayAsPathSection>();
id = _id;
}
public RayAsPathSection(Vector3 _startPoint, Vector3 _endPoint, double startPower, string _id, RayTracer _rayTracerModel)
{
rayTracerModel = _rayTracerModel;
startPoint = _startPoint;
endPoint = _endPoint;
maxPower = startPower;
minPower = maxPower - RadioPower.CalculatePathloss(Vector3.Distance(startPoint, endPoint), rayTracerModel.runningFreqRT, rayTracerModel.runningFreqRTUnit);
id = _id;
}//constructor