// return time left until CME is over
public static double TimeLeftCME(CelestialBody body)
{
if (body.flightGlobalsIndex == 0) return 0.0;
if (!DB.Ready()) return 0.0;
body_data bd = DB.BodyData(Lib.PlanetarySystem(body).name);
return Math.Max(0.0, bd.storm_time - bd.storm_age);
}
// return true if a storm just ended
// used to avoid sending 'signal is back' messages en-masse after the storm is over
// - delta_time: time between calls to this function
public static bool JustEnded(Vessel v, double delta_time)
{
if (!DB.Ready()) return false;
// if in interplanetary space
if (v.mainBody.flightGlobalsIndex == 0)
{
return DB.VesselData(v.id).storm_age < delta_time * 2.0;
}
// if inside a planetary system
else
{
return DB.BodyData(Lib.PlanetarySystem(v.mainBody).name).storm_age < delta_time * 2.0;
}
}
// return true if a storm is in progress
public static bool InProgress(Vessel v)
{
if (!DB.Ready()) return false;
// if in interplanetary space
if (v.mainBody.flightGlobalsIndex == 0)
{
return DB.VesselData(v.id).storm_state == 2;
}
// if inside a planetary system
else
{
return DB.BodyData(Lib.PlanetarySystem(v.mainBody).name).storm_state == 2;
}
}
// return time left until CME is over
public static double TimeLeftCME(Vessel v)
{
if (!DB.Ready()) return 0.0;
// if in interplanetary space
if (v.mainBody.flightGlobalsIndex == 0)
{
vessel_data vd = DB.VesselData(v.id);
return TimeLeftCME(vd.storm_time, vd.storm_age);
}
// if inside a planetary system
else
{
body_data bd = DB.BodyData(Lib.PlanetarySystem(v.mainBody).name);
return TimeLeftCME(bd.storm_time, bd.storm_age);
}
}
// called every simulation tick
public void FixedUpdate()
{
// do nothing if paused
if (Lib.IsPaused()) return;
// avoid case when DB isn't ready for whatever reason
if (!DB.Ready()) return;
// do nothing in the editors and the menus
if (!Lib.SceneIsGame()) return;
// for each celestial body
foreach(CelestialBody body in FlightGlobals.Bodies)
{
// skip the sun
if (body.flightGlobalsIndex == 0) continue;
// skip moons
if (body.referenceBody.flightGlobalsIndex != 0) continue;
// get body data
body_data bd = DB.BodyData(body.name);
// generate storm time if necessary
if (bd.storm_time <= double.Epsilon)
{
bd.storm_time = Settings.StormMinTime + (Settings.StormMaxTime - Settings.StormMinTime) * Lib.RandomDouble();
}
// accumulate age
bd.storm_age += TimeWarp.fixedDeltaTime * storm_frequency(body);
// if storm is over
if (bd.storm_age > bd.storm_time)
{
bd.storm_age = 0.0;
bd.storm_time = 0.0;
bd.storm_state = 0;
}
// if storm is in progress
else if (bd.storm_age > bd.storm_time - Settings.StormDuration)
{
bd.storm_state = 2;
}
// if storm is incoming
else if (bd.storm_age > bd.storm_time - Settings.StormDuration - time_to_impact(body))
{
bd.storm_state = 1;
}
// send messages
// note: separed from state management to support the case when the user enter the SOI of a body under storm or about to be hit
if (bd.msg_storm < 2 && bd.storm_state == 2)
{
if (body_is_relevant(body))
{
Message.Post(Severity.danger, "The coronal mass ejection hit <b>" + body.name + "</b> system",
"Storm duration: " + Lib.HumanReadableDuration(TimeLeftCME(body)));
}
bd.msg_storm = 2;
}
else if (bd.msg_storm < 1 && bd.storm_state == 1)
{
if (body_is_relevant(body))
{
Message.Post(Severity.warning, "Our observatories report a coronal mass ejection directed toward <b>" + body.name + "</b> system",
"Time to impact: " + Lib.HumanReadableDuration(TimeBeforeCME(body)));
}
bd.msg_storm = 1;
}
else if (bd.msg_storm > 1 && bd.storm_state == 0)
{
if (body_is_relevant(body))
{
Message.Post(Severity.relax, "The solar storm at <b>" + body.name + "</b> system is over");
}
bd.msg_storm = 0;
}
}
}
// return true if a storm just ended
// used to avoid sending 'signal is back' messages en-masse after the storm is over
// - delta_time: time between calls to this function
public static bool JustEnded(CelestialBody body, double delta_time)
{
if (body.flightGlobalsIndex == 0) return false;
return DB.Ready() && DB.BodyData(Lib.PlanetarySystem(body).name).storm_age < TimeWarp.deltaTime * 2.0;
}
// return true if a storm is in progress
public static bool InProgress(CelestialBody body)
{
if (body.flightGlobalsIndex == 0) return false;
return DB.Ready() && DB.BodyData(Lib.PlanetarySystem(body).name).storm_state == 2;
}
public void update(CelestialBody body, double elapsed_s)
{
// do nothing if storms are disabled
if (Settings.StormDuration <= double.Epsilon) return;
// skip the sun
if (body.flightGlobalsIndex == 0) return;
// skip moons
// note: referenceBody is never null here
if (body.referenceBody.flightGlobalsIndex != 0) return;
// get body data
body_data bd = DB.BodyData(body.name);
// generate storm time if necessary
if (bd.storm_time <= double.Epsilon)
{
bd.storm_time = Settings.StormMinTime + (Settings.StormMaxTime - Settings.StormMinTime) * Lib.RandomDouble();
}
// accumulate age
bd.storm_age += elapsed_s * storm_frequency(body.orbit.semiMajorAxis);
// if storm is over
if (bd.storm_age > bd.storm_time)
{
bd.storm_age = 0.0;
bd.storm_time = 0.0;
bd.storm_state = 0;
}
// if storm is in progress
else if (bd.storm_age > bd.storm_time - Settings.StormDuration)
{
bd.storm_state = 2;
}
// if storm is incoming
else if (bd.storm_age > bd.storm_time - Settings.StormDuration - time_to_impact(body.orbit.semiMajorAxis))
{
bd.storm_state = 1;
}
// send messages
// note: separed from state management to support the case when the user enter the SOI of a body under storm or about to be hit
if (bd.msg_storm < 2 && bd.storm_state == 2)
{
if (body_is_relevant(body))
{
Message.Post(Severity.danger, Lib.BuildString("The coronal mass ejection hit <b>", body.name, "</b> system"),
Lib.BuildString("Storm duration: ", Lib.HumanReadableDuration(TimeLeftCME(bd.storm_time, bd.storm_age))));
}
bd.msg_storm = 2;
}
else if (bd.msg_storm < 1 && bd.storm_state == 1)
{
if (body_is_relevant(body))
{
Message.Post(Severity.warning, Lib.BuildString("Our observatories report a coronal mass ejection directed toward <b>", body.name, "</b> system"),
Lib.BuildString("Time to impact: ", Lib.HumanReadableDuration(TimeBeforeCME(bd.storm_time, bd.storm_age))));
}
bd.msg_storm = 1;
}
else if (bd.msg_storm > 1 && bd.storm_state == 0)
{
if (body_is_relevant(body))
{
Message.Post(Severity.relax, Lib.BuildString("The solar storm at <b>", body.name, "</b> system is over"));
}
bd.msg_storm = 0;
}
}