private TimeSpan GotoDecoDepth(ZH_L16 algorithm, double currentDepth, double finalDepth, int runTime,
ref Collection<DiveSegment> diveTable, out double stopDepth)
{
double minDepthAscent = algorithm.MinDepthAscent(CalcGradient(firstDecoDepth, currentDepth, pref));
double decoDepth = GetDecoDepth(minDepthAscent, pref);
if (decoDepth >= currentDepth)
{
stopDepth = decoDepth;
return new TimeSpan();
}
Logger.Trace("GotoDecoDepth => start deco depth:" + decoDepth);
algorithm.AscendDecsend(currentDepth, decoDepth, pref.AscRate);
stopDepth = ContinueAscend(algorithm, finalDepth, decoDepth);
TimeSpan timeSpentInGoingUp = CalcAscDescTime(currentDepth - stopDepth, pref.AscRate);
int timespent = TimeHelper.MinutesRoundedUp(timeSpentInGoingUp);
// Round to complete minute
double diffTime = Math.Abs(timeSpentInGoingUp.TotalMinutes - timespent);
double diffDepth = CalcHalfWayDepth(currentDepth, stopDepth);
if (Math.Abs(diffTime - 0) > 0.001)
{
var algorithm2 = new ZH_L16(algorithm);
algorithm2.AddRunTimeInMinutes(diffTime, diffDepth);
// Try adding additional runtime to verify if we should go up even more.
double newStopDepth = ContinueAscend(algorithm2, finalDepth, stopDepth);
if (newStopDepth < stopDepth)
{
ContinueAscend(algorithm, finalDepth, stopDepth);
timeSpentInGoingUp = CalcAscDescTime(currentDepth - newStopDepth, pref.AscRate);
timespent = TimeHelper.MinutesRoundedUp(timeSpentInGoingUp);
// Round to complete minute
diffTime = Math.Abs(timeSpentInGoingUp.TotalMinutes - timespent);
diffDepth = CalcHalfWayDepth(currentDepth, stopDepth);
if (Math.Abs(diffTime - 0) > 0.001)
{
algorithm.AddRunTimeInMinutes(diffTime, diffDepth);
}
stopDepth = newStopDepth;
}
}
double cns = CentralNervousSystem.AscendDescend(algorithm.ActiveGas, currentDepth, stopDepth, Math.Abs(pref.AscRate));
double otu = OxygenToxicityUnit.AscendDescend(algorithm.ActiveGas, currentDepth, stopDepth, Math.Abs(pref.AscRate));
timeSpentInGoingUp = TimeSpan.FromMinutes(timespent);
var seg = new DiveSegment(stopDepth, timeSpentInGoingUp, DiveState.Ascend, runTime, runTime + timespent,
algorithm.ActiveGas, cns, otu);
Logger.Trace("GotoDecoDepth => Segment:" + seg);
diveTable.Add(seg);
return timeSpentInGoingUp;
}
private TimeSpan GoingUp(ZH_L16 algorithm, ref Collection<DiveSegment> divetable, int runTime, double depth, WayPoint waypoint)
{
var ascdescTime = new TimeSpan();
double minDepthAscent = algorithm.MinDepthAscent(CalcGradient(firstDecoDepth, depth, pref));
//// No deco needed
if (minDepthAscent <= waypoint.Depth)
{
algorithm.AscendDecsend(depth, waypoint.Depth, pref.AscRate);
ascdescTime = CalcAscDescTime(depth - waypoint.Depth, pref.AscRate);
int timespent = TimeHelper.MinutesRoundedUp(ascdescTime);
double cns = CentralNervousSystem.AscendDescend(algorithm.ActiveGas, depth, waypoint.Depth, Math.Abs(pref.AscRate));
double otu = OxygenToxicityUnit.AscendDescend(algorithm.ActiveGas, depth, waypoint.Depth, Math.Abs(pref.AscRate));
// Round to complete minute
double diffTime = Math.Abs(ascdescTime.TotalMinutes - timespent);
double diffDepth = CalcHalfWayDepth(depth, waypoint.Depth);
algorithm.AddRunTimeInMinutes(diffTime, diffDepth);
ascdescTime = TimeSpan.FromMinutes(timespent);
cns += CentralNervousSystem.ConstantDepth(algorithm.ActiveGas, diffDepth, diffTime);
otu += OxygenToxicityUnit.ConstantDepth(algorithm.ActiveGas, diffDepth, diffTime);
var seg = new DiveSegment(waypoint.Depth, ascdescTime, DiveState.Ascend, runTime, runTime + timespent,
algorithm.ActiveGas, cns, otu);
Logger.Trace("Calc => Segment:" + seg);
divetable.Add(seg);
}
else
{
ascdescTime = GotoDecoDepth(algorithm, depth, waypoint.Depth, runTime, ref divetable, out depth);
runTime += TimeHelper.MinutesRoundedUp(ascdescTime);
if (Math.Abs(depth - waypoint.Depth) > 0.001)
{
TimeSpan decoTime = DoDeco(algorithm, depth, waypoint.Depth, runTime, ref divetable);
ascdescTime += decoTime;
}
}
return ascdescTime;
}
private TimeSpan GoingDown(ZH_L16 algorithm, ref Collection<DiveSegment> divetable, int runTime,
double currentDepth, WayPoint waypoint)
{
algorithm.AscendDecsend(currentDepth, waypoint.Depth, pref.DescRate);
TimeSpan ascdescTime = CalcAscDescTime(waypoint.Depth - currentDepth, pref.DescRate);
int timespent = TimeHelper.MinutesRoundedUp(ascdescTime);
double cns = CentralNervousSystem.AscendDescend(algorithm.ActiveGas, currentDepth, waypoint.Depth, Math.Abs(pref.DescRate));
double otu = OxygenToxicityUnit.AscendDescend(algorithm.ActiveGas, currentDepth, waypoint.Depth, Math.Abs(pref.DescRate));
// Round to complete minute
double diffTime = Math.Abs(ascdescTime.TotalMinutes - timespent);
double diffDepth = CalcHalfWayDepth(currentDepth, waypoint.Depth);
if (Math.Abs(diffTime - 0) > 0.001)
{
algorithm.AddRunTimeInMinutes(diffTime, diffDepth);
ascdescTime = TimeSpan.FromMinutes(timespent);
cns += CentralNervousSystem.ConstantDepth(algorithm.ActiveGas, diffDepth, diffTime);
otu += OxygenToxicityUnit.ConstantDepth(algorithm.ActiveGas, diffDepth, diffTime);
}
var seg = new DiveSegment(waypoint.Depth, ascdescTime, DiveState.Desend, runTime, runTime + timespent,
algorithm.ActiveGas, cns, otu);
Logger.Trace("Calc => Segment:" + seg);
divetable.Add(seg);
return ascdescTime;
}
private TimeSpan DoDeco(ZH_L16 algorithm, double currentDepth, double finalDepth, int runTime,
ref Collection<DiveSegment> diveTable)
{
if (currentDepth < pref.MiniDepthForDeco)
{
Logger.Error("DoDeco => Can't do deco because of current depth is lower than min deco depth");
throw new ArgumentException("currentDepth can't be smaller then miniDepthForDeco");
}
Logger.Trace("DoDeco => currentDepth:{0}, FinalDepth:{1}", currentDepth, finalDepth);
double minDepthAscent = algorithm.MinDepthAscent(CalcGradient(firstDecoDepth, currentDepth, pref));
double decoDepth = GetDecoDepth(minDepthAscent, pref);
if (Math.Abs(currentDepth - decoDepth) > 0.001)
{
Logger.Error("DoDeco => Can't do deco because current depth is not deco depth");
throw new ArgumentException("Can't do deco because current depth is not deco depth");
}
firstDecoDepth = decoDepth;
Logger.Trace("DoDeco => start deco depth:" + decoDepth);
var timeSpentDeco = new TimeSpan();
double decoStartDepth = decoDepth;
while (minDepthAscent > finalDepth)
{
decoDepth = GetDecoDepth(minDepthAscent, pref);
int timespent = GetDecoStopTime(algorithm, decoDepth, pref, CalcGradient(firstDecoDepth, decoDepth, pref));
TimeSpan decoTime = TimeSpan.FromMinutes(timespent);
timeSpentDeco += TimeSpan.FromMinutes(timespent);
double cns = CentralNervousSystem.ConstantDepth(algorithm.ActiveGas, decoDepth, timespent);
double otu = OxygenToxicityUnit.ConstantDepth(algorithm.ActiveGas, decoDepth, timespent);
var seg = new DiveSegment(decoDepth, decoTime, DiveState.Deco, runTime, runTime + timespent,
algorithm.ActiveGas, cns, otu);
Logger.Trace("DoDeco => Segment:" + seg);
diveTable.Add(seg);
runTime += timespent;
if (Math.Abs(decoDepth - pref.MiniDepthForDeco) < 0.001)
{
minDepthAscent = 0;
}
else
{
minDepthAscent = decoDepth - pref.DepthBetweenDecoStops;
}
}
return timeSpentDeco;
}
private static void StayAtDepth(ZH_L16 algorithm, ref Collection<DiveSegment> divetable, int runTime,
double depth, double time)
{
algorithm.AddRunTimeInMinutes(time, depth);
double cns = CentralNervousSystem.ConstantDepth(algorithm.ActiveGas, depth, time);
double otu = OxygenToxicityUnit.ConstantDepth(algorithm.ActiveGas, depth, time);
var seg = new DiveSegment(depth, TimeSpan.FromMinutes(time), DiveState.Diving, runTime,
runTime + TimeHelper.MinutesRoundedUp(TimeSpan.FromMinutes(time)), algorithm.ActiveGas, cns,
otu);
Logger.Trace("Calc => Segment:" + seg);
divetable.Add(seg);
}
public Collection<DiveSegment> Calc(Collection<WayPoint> waypoints, ZH_L16 algorithm, Preference preference)
{
pref = preference;
var divetable = new Collection<DiveSegment>();
int runTime = 0;
double depth = 0;
if (algorithm.ActiveGas == null)
{
algorithm.ActiveGas = waypoints[0].Gas;
}
foreach (WayPoint waypoint in waypoints)
{
var ascdescTime = new TimeSpan();
//// Going down
if (waypoint.Depth > depth)
{
ascdescTime = GoingDown(algorithm, ref divetable, runTime, depth, waypoint);
}
//// Going upp
if (waypoint.Depth < depth)
{
ascdescTime = GoingUp(algorithm, ref divetable, runTime, depth, waypoint);
}
int timeSpentAscDesc = TimeHelper.MinutesRoundedUp(ascdescTime);
runTime += timeSpentAscDesc;
// Gas swith
if (!Equals(algorithm.ActiveGas, waypoint.Gas))
{
if (this.pref.TimeToSwitchGas > 0)
{
algorithm.AddRunTimeInMinutes(pref.TimeToSwitchGas, waypoint.Depth);
}
double cns = CentralNervousSystem.ConstantDepth(algorithm.ActiveGas, waypoint.Depth, pref.TimeToSwitchGas);
double otu = OxygenToxicityUnit.ConstantDepth(algorithm.ActiveGas, waypoint.Depth, pref.TimeToSwitchGas);
var seg = new DiveSegment(waypoint.Depth, new TimeSpan(0, 0, (int) pref.TimeToSwitchGas, 0, 0),
DiveState.GasSwitch, runTime, runTime + (int) pref.TimeToSwitchGas,
algorithm.ActiveGas, cns, otu);
Logger.Trace("Calc => Segment:" + seg);
divetable.Add(seg);
runTime += (int) pref.TimeToSwitchGas;
algorithm.ActiveGas = waypoint.Gas;
}
//// still time left to stay at depth
if (timeSpentAscDesc < waypoint.Time)
{
double timeLeft = waypoint.Time - timeSpentAscDesc;
StayAtDepth(algorithm, ref divetable, runTime, waypoint.Depth, timeLeft);
runTime += (int) waypoint.Time - timeSpentAscDesc;
}
depth = waypoint.Depth;
}
return divetable;
}