/// <summary> Creates a <see cref="ConnectionInfo"/> object for the specified vessel from it's antenna modules</summary>
private ConnectionInfo(Vessel v, bool powered, bool storm)
{
// return no connection if there is no ec left
if (!powered)
{
return;
}
AntennaInfo ai = GetAntennaInfo(v, powered, storm);
ec = ai.ec;
rate = ai.rate * PreferencesScience.Instance.transmitFactor;
linked = ai.linked;
strength = ai.strength;
target_name = ai.target_name;
control_path = ai.control_path;
switch (ai.status)
{
case 0: status = LinkStatus.direct_link; break;
case 1: status = LinkStatus.indirect_link; break;
case 2: status = LinkStatus.no_link; break;
case 3: status = LinkStatus.plasma; break;
case 4: status = LinkStatus.storm; break;
default: status = LinkStatus.no_link; break;
}
}
private static AntennaInfo GetAntennaInfo(Vessel v, bool powered, bool storm)
{
AntennaInfo ai = new AntennaInfo();
ai.powered = powered;
ai.storm = storm;
ai.transmitting = !string.IsNullOrEmpty(Science.Transmitting(v, true));
API.Comm.Init(ai, v);
if (ai.strength > -1)
{
return(ai);
}
// if CommNet is enabled
if (HighLogic.fetch.currentGame.Parameters.Difficulty.EnableCommNet)
{
return(new AntennaInfoCommNet(v, powered, storm, ai.transmitting));
}
// default: the simple stupid always connected signal system
AntennaInfoCommNet antennaInfo = new AntennaInfoCommNet(v, powered, storm, ai.transmitting);
antennaInfo.ec *= 0.16;
antennaInfo.linked = true;
antennaInfo.status = (int)LinkStatus.direct_link;
antennaInfo.strength = 1; // 100 %
antennaInfo.target_name = "DSN: KSC";
return(antennaInfo);
}
public static void RTCommInfoHandler(AntennaInfo antennaInfo, Vessel v)
{
var ai = new AntennaInfoRT(v, antennaInfo.powered, antennaInfo.storm);
antennaInfo.linked = ai.linked;
antennaInfo.ec = ai.ec;
antennaInfo.control_path = ai.control_path;
antennaInfo.rate = ai.rate;
antennaInfo.status = ai.status;
antennaInfo.strength = ai.strength;
antennaInfo.target_name = ai.target_name;
}
//This initializes an antennaInfo object. Connection info handlers must
//set antennaInfo.strength to a value >= 0, otherwise the antennaInfo will
//be passed to the next handler.
public void Init(AntennaInfo antennaInfo, Vessel pv)
{
//Loop through the list of listening methods and Invoke them.
foreach (MethodInfo handler in handlers)
{
try {
handler.Invoke(null, new object[] { antennaInfo, pv });
if (antennaInfo.strength > -1)
{
return;
}
} catch (Exception e) {
Lib.Log("CommInfo handler threw exception " + e.Message + "\n" + e.ToString());
}
}
}
override public AntennaInfo AntennaInfo()
{
AntennaInfo result = base.AntennaInfo();
result.ec = 0;
result.rate = 0;
result.powered = cluster.IsPowered;
if (result.powered)
{
result.rate = Settings.DataRateSurfaceExperiment;
}
Init();
return(result);
}
/// <summary> Creates a <see cref="ConnectionInfo"/> object for the specified vessel from it's antenna modules</summary>
private ConnectionInfo(Vessel v, bool powered, bool storm)
{
// return no connection if there is no ec left
if (!powered)
{
return;
}
// wait until network is initialized (2 seconds after load)
if (!Communications.NetworkInitialized)
{
return;
}
AntennaInfo ai = GetAntennaInfo(v, powered, storm);
ec = SanityCheck(ai.ec, "ec", v);
ec_idle = SanityCheck(ai.ec_idle, "ec_idle", v);
rate = SanityCheck(ai.rate, "rate", v) * PreferencesScience.Instance.transmitFactor;
linked = ai.linked;
strength = SanityCheck(ai.strength, "strength", v);
target_name = ai.target_name;
control_path = ai.control_path;
switch (ai.status)
{
case 0: status = LinkStatus.direct_link; break;
case 1: status = LinkStatus.indirect_link; break;
case 2: status = LinkStatus.no_link; break;
case 3: status = LinkStatus.plasma; break;
case 4: status = LinkStatus.storm; break;
default: status = LinkStatus.no_link; break;
}
}
private static AntennaInfo GetAntennaInfo(Vessel v, bool powered, bool storm)
{
AntennaInfo ai = new AntennaInfo();
ai.powered = powered;
ai.storm = storm;
ai.transmitting = v.KerbalismData().filesTransmitted.Count > 0;
API.Comm.Init(ai, v);
if (ai.strength > -1)
{
return(ai);
}
var cluster = Serenity.GetScienceCluster(v);
if (cluster != null)
{
return(new AntennaInfoSerenity(v, cluster, storm, ai.transmitting).AntennaInfo());
}
// if CommNet is enabled
if (HighLogic.fetch.currentGame.Parameters.Difficulty.EnableCommNet)
{
return(new AntennaInfoCommNet(v, powered, storm, ai.transmitting).AntennaInfo());
}
// default: the simple stupid always connected signal system
AntennaInfo antennaInfo = new AntennaInfoCommNet(v, powered, storm, ai.transmitting).AntennaInfo();
antennaInfo.ec *= 0.16;
antennaInfo.linked = true;
antennaInfo.status = (int)LinkStatus.direct_link;
antennaInfo.strength = 1; // 100 %
antennaInfo.target_name = "DSN: KSC";
return(antennaInfo);
}
public double indirect_rate(double d, AntennaInfo relay_antenna)
{
double r = 0.0;
for (int i = 0; i < type.Count; ++i)
{
if (type[i] == AntennaType.low_gain)
{
r += Antenna.calculate_rate(d, dist[i], rate[i]);
}
}
double indirect_r = 0.0;
for (int i = 0; i < relay_antenna.type.Count; ++i)
{
if (relay_antenna.type[i] == AntennaType.low_gain && relay_antenna.relay[i])
{
indirect_r += Antenna.calculate_rate(d, relay_antenna.dist[i], relay_antenna.rate[i]);
}
}
return(Math.Min(r, indirect_r));
}
public vessel_info(Vessel v, uint vessel_id, UInt64 inc)
{
// NOTE: anything used here can't in turn use cache, unless you know what you are doing
// NOTE: you can't cache vessel position
// at any point in time all vessel/body positions are relative to a different frame of reference
// so comparing the current position of a vessel, with the cached one of another make no sense
// associate with an unique incremental id
this.inc = inc;
// determine if this is a valid vessel
is_vessel = Lib.IsVessel(v);
if (!is_vessel) return;
// determine if this is a rescue mission vessel
is_rescue = Misc.IsRescueMission(v);
if (is_rescue) return;
// dead EVA are not valid vessels
if (EVA.IsDead(v)) return;
// shortcut for common tests
is_valid = true;
// generate id once
id = vessel_id;
// calculate crew info for the vessel
crew_count = Lib.CrewCount(v);
crew_capacity = Lib.CrewCapacity(v);
// get vessel position
Vector3d position = Lib.VesselPosition(v);
// this should never happen again
if (Vector3d.Distance(position, v.mainBody.position) < 1.0)
{
throw new Exception("Shit hit the fan for vessel " + v.vesselName);
}
// determine if in sunlight, calculate sun direction and distance
sunlight = Sim.RaytraceBody(v, position, FlightGlobals.Bodies[0], out sun_dir, out sun_dist) ? 1.0 : 0.0;
// at the two highest timewarp speed, the number of sun visibility samples drop to the point that
// the quantization error first became noticeable, and then exceed 100%
// to solve this, we switch to an analytical estimation of the portion of orbit that was in sunlight
// - we check against timewarp rate, instead of index, to avoid issues during timewarp blending
if (v.mainBody.flightGlobalsIndex != 0 && TimeWarp.CurrentRate > 1000.0f)
{
sunlight = 1.0 - Sim.ShadowPeriod(v) / Sim.OrbitalPeriod(v);
}
// environment stuff
atmo_factor = Sim.AtmosphereFactor(v.mainBody, position, sun_dir);
gamma_transparency = Sim.GammaTransparency(v.mainBody, v.altitude);
underwater = Sim.Underwater(v);
breathable = Sim.Breathable(v, underwater);
landed = Lib.Landed(v);
// temperature at vessel position
temperature = Sim.Temperature(v, position, sunlight, atmo_factor, out solar_flux, out albedo_flux, out body_flux, out total_flux);
temp_diff = Sim.TempDiff(temperature, v.mainBody, landed);
// radiation
radiation = Radiation.Compute(v, position, gamma_transparency, sunlight, out blackout, out magnetosphere, out inner_belt, out outer_belt, out interstellar);
// extended atmosphere
thermosphere = Sim.InsideThermosphere(v);
exosphere = Sim.InsideExosphere(v);
// malfunction stuff
malfunction = Reliability.HasMalfunction(v);
critical = Reliability.HasCriticalFailure(v);
// signal info
antenna = new AntennaInfo(v);
avoid_inf_recursion.Add(v.id);
connection = Signal.connection(v, position, antenna, blackout, avoid_inf_recursion);
transmitting = Science.transmitting(v, connection.linked);
relaying = Signal.relaying(v, avoid_inf_recursion);
avoid_inf_recursion.Remove(v.id);
// habitat data
volume = Habitat.tot_volume(v);
surface = Habitat.tot_surface(v);
pressure = Habitat.pressure(v);
poisoning = Habitat.poisoning(v);
shielding = Habitat.shielding(v);
living_space = Habitat.living_space(v);
comforts = new Comforts(v, landed, crew_count > 1, connection.linked);
// data about greenhouses
greenhouses = Greenhouse.Greenhouses(v);
// other stuff
gravioli = Sim.Graviolis(v);
}
public static ConnectionInfo connection(Vessel v, Vector3d position, AntennaInfo antenna, bool blackout, HashSet <Guid> avoid_inf_recursion)
{
// if signal mechanic is disabled, use RemoteTech/CommNet/S4
if (!Features.Signal)
{
return(OtherComms(v));
}
// if it has no antenna
if (antenna.no_antenna)
{
return(new ConnectionInfo(LinkStatus.no_antenna));
}
// if there is a storm and the vessel is inside a magnetosphere
if (blackout)
{
return(new ConnectionInfo(LinkStatus.blackout));
}
// store raytracing data
Vector3d dir;
double dist;
bool visible;
// store other data
double rate;
List <ConnectionInfo> connections = new List <ConnectionInfo>();
// raytrace home body
visible = Sim.RaytraceBody(v, position, FlightGlobals.GetHomeBody(), out dir, out dist);
// get rate
rate = antenna.direct_rate(dist);
// if directly linked
if (visible && rate > Settings.ControlRate)
{
ConnectionInfo conn = new ConnectionInfo(LinkStatus.direct_link, rate, antenna.direct_cost);
connections.Add(conn);
}
// for each other vessel
foreach (Vessel w in FlightGlobals.Vessels)
{
// do not test with itself
if (v == w)
{
continue;
}
// skip vessels already in this chain
if (avoid_inf_recursion.Contains(w.id))
{
continue;
}
// get vessel from the cache
// - when:
// . cache is empty (eg: new savegame loaded)
// - we avoid single-tick wrong paths arising from this situation:
// . vessel A is directly linked
// . vessel B is indirectly linked through A
// . cache is cleared (after loading a savegame)
// . cache of A is computed
// . in turn, cache of B is computed ignoring A (and stored)
// . until cache of B is re-computed, B will result incorrectly not linked
// - in this way:
// . cache of A is computed
// . in turn, cache of B is computed ignoring A (but not stored)
// . cache of B is then computed correctly
// . do not degenerate into O(N^3) by using non-optimal path
vessel_info wi;
if (!Cache.HasVesselInfo(w, out wi))
{
if (connections.Count > 0)
{
continue;
}
else
{
wi = new vessel_info(w, Lib.VesselID(w), 0);
}
}
// skip invalid vessels
if (!wi.is_valid)
{
continue;
}
// skip non-relays and non-linked relays
if (!wi.antenna.is_relay || !wi.connection.linked)
{
continue;
}
// raytrace the other vessel
visible = Sim.RaytraceVessel(v, w, position, Lib.VesselPosition(w), out dir, out dist);
// get rate
rate = antenna.indirect_rate(dist, wi.antenna);
// if indirectly linked
// - relays with no EC have zero relay_range
// - avoid relay loops
if (visible && rate > Settings.ControlRate && !wi.connection.path.Contains(v))
{
// create indirect link data
ConnectionInfo conn = new ConnectionInfo(wi.connection);
// update the link data and return it
conn.status = LinkStatus.indirect_link;
conn.rate = Math.Min(conn.rate, rate);
conn.cost = antenna.indirect_cost;
conn.path.Add(w);
connections.Add(conn);
}
}
// if at least a connection has been found
if (connections.Count > 0)
{
// select the best connection
double best_rate = 0.0;
int best_index = 0;
for (int i = 0; i < connections.Count; ++i)
{
if (connections[i].rate > best_rate)
{
best_rate = connections[i].rate;
best_index = i;
}
}
// and return it
return(connections[best_index]);
}
// no link
return(new ConnectionInfo(LinkStatus.no_link));
}
