private SimpleEdge?CreateEdge(
StarSystem from,
StarSystem to,
double fuel,
SimpleJumpParameters parameters)
{
if (this.CanCompleteInSingleJump(from, to, fuel, parameters))
{
return(this.GetSingleJump(from, to, fuel, parameters));
}
else
{
return(this.GetMultiJump(from, to, fuel, parameters));
}
}
private SimpleEdge?GetMultiJump(
StarSystem from,
StarSystem to,
double fuel,
SimpleJumpParameters parameters)
{
// must be allowed
if (parameters.JumpsMax < 2)
{
return(null);
}
// must scoop refuel
if (parameters.RefuelType != RefuelType.Scoop && parameters.RefuelType != RefuelType.ScoopHeatsink)
{
return(null);
}
var distance = Vector3.Distance(from.Coordinates, to.Coordinates);
var fstJumpRange = this.shipHandler.GetJumpRange(fuel);
var fstBoostType = parameters.BoostType;
var fstJumpFactor = this.GetJumpFactor(fstBoostType);
var fstDistance = parameters.MultiJumpRangeFactor * fstJumpFactor * fstJumpRange;
// was a multi-jump with refuel but single without
if (distance < fstDistance)
{
return(null);
}
var rstDistance = distance - fstDistance;
var rstJumpRange = this.shipHandler.GetJumpRange(parameters.Refuel.Value);
var rstJumpFactor = this.options.UseFsdBoost ? 2 : 1;
var rstBoostType = this.options.UseFsdBoost ? BoostType.Synthesis : BoostType.None;
var rstJumps = (int)Math.Ceiling(rstDistance / (parameters.MultiJumpRangeFactor * rstJumpFactor * rstJumpRange));
var jumps = rstJumps + 1;
if (jumps < parameters.JumpsMin || parameters.JumpsMax < jumps)
{
return(null);
}
double?timeFst;
double?timeRst;
double?timeRstRefuel;
double fuelCostRst;
if (jumps == 2 && this.options.UseRefuelStarFinder)
{
var refuel = this.refuelStarFinder.GetCandidate(from, fuel, to, parameters.Refuel.Value);
if (refuel == null)
{
return(null);
}
timeFst = this.jumpTime.Get(from, fstBoostType, RefuelType.None, null);
var distFst = Vector3.Distance(from.Coordinates, refuel.Coordinates);
var fuelCostFst = this.shipHandler.GetFuelCost(fuel, distFst / fstJumpFactor);
// must have enough fuel to make first jump
if (fuel < fuelCostFst + this.minimumFuelLevel)
{
return(null);
}
// must refuel to a higher fuel level
if (parameters.Refuel.Value < (fuel - fuelCostFst))
{
return(null);
}
timeRst = 0;
timeRstRefuel = this.jumpTime.Get(refuel, rstBoostType, parameters.RefuelType, parameters.Refuel.Value - (fuel + fuelCostFst));
var distRst = Vector3.Distance(refuel.Coordinates, to.Coordinates);
fuelCostRst = this.shipHandler.GetFuelCost(parameters.Refuel.Value, distRst / rstJumpFactor);
}
else
{
// must have enough fuel to make first jump
if (fuel < this.ship.FSD.MaxFuelPerJump + this.minimumFuelLevel)
{
return(null);
}
// must refuel to a higher fuel level
if (parameters.Refuel.Value < fuel)
{
return(null);
}
timeFst = this.jumpTime.Get(from, fstBoostType, RefuelType.None, null);
timeRst = this.jumpTime.Get(null, rstBoostType, RefuelType.None, null);
timeRstRefuel = this.jumpTime.Get(null, rstBoostType, parameters.RefuelType, rstJumps * this.ship.FSD.MaxFuelPerJump + parameters.Refuel.Value - fuel);
fuelCostRst = this.ship.FSD.MaxFuelPerJump;
}
if (!timeFst.HasValue || !timeRst.HasValue || !timeRstRefuel.HasValue)
{
return(null);
}
var time = timeFst.Value + (rstJumps - 1) * timeRst.Value + timeRstRefuel.Value;
fuel = Math.Max(0, parameters.Refuel.Value - fuelCostRst);
return(new SimpleEdge
{
Distance = time,
Fuel = fuel,
Jumps = jumps
});
}
private SimpleEdge?GetSingleJump(
StarSystem from,
StarSystem to,
double fuel,
SimpleJumpParameters parameters)
{
if (1 < parameters.JumpsMin)
{
return(null);
}
double?time;
if (parameters.RefuelType != RefuelType.None)
{
// cannot be start system
if (from == this.start)
{
return(null);
}
// must be above current fuel
if (parameters.Refuel.Value < fuel)
{
return(null);
}
switch (parameters.RefuelType)
{
case RefuelType.Scoop:
case RefuelType.ScoopHeatsink:
case RefuelType.ScoopReckless:
{
// must have scoopable
if (!from.HasScoopable || 100 < from.DistanceToScoopable)
{
return(null);
}
break;
}
case RefuelType.Station:
{
// must have station
if (!from.HasStation)
{
return(null);
}
break;
}
}
time = this.jumpTime.Get(from, parameters.BoostType, parameters.RefuelType, parameters.Refuel.Value - fuel);
fuel = parameters.Refuel.Value;
}
else
{
time = this.jumpTime.Get(from, parameters.BoostType, RefuelType.None, null);
}
if (!time.HasValue)
{
return(null);
}
var distance = Vector3.Distance(from.Coordinates, to.Coordinates);
var jumpFactor = this.GetJumpFactor(parameters.BoostType);
fuel -= this.shipHandler.GetFuelCost(fuel, distance / jumpFactor);
if (fuel < this.minimumFuelLevel)
{
return(null);
}
return(new SimpleEdge
{
Distance = time.Value,
Fuel = fuel,
Jumps = 1
});
}
private bool CanCompleteInSingleJump(StarSystem from, StarSystem to, double fuel, SimpleJumpParameters parameters)
{
var distance = Vector3.Distance(from.Coordinates, to.Coordinates);
var jumpFactor = this.GetJumpFactor(parameters.BoostType);
var jumpRange = this.shipHandler.GetJumpRange(parameters.Refuel ?? fuel);
return(distance < jumpFactor * jumpRange);
}