public float GetSegmentMissileAdjustment(int burnSegment, int acceleration, AimAdjustment aimAdjustment)
{
ValidateParameters(burnSegment, acceleration, aimAdjustment);
int mpatAccelerationAdjustment = GetMpatAccelerationAdjustment(acceleration);
return(_mpatData[(byte)aimAdjustment, burnSegment - 1 + mpatAccelerationAdjustment]);
}
public float GetSegmentMissileAdjustment(int burnSegment, int acceleration, AimAdjustment aimAdjustment)
{
ValidateParameters(burnSegment, acceleration, aimAdjustment);
int mpatAccelerationAdjustment = GetMpatAccelerationAdjustment(acceleration);
return _mpatData[(byte)aimAdjustment, burnSegment - 1 + mpatAccelerationAdjustment];
}
public float GetTotalMissileAdjustment(int burnDuration, int acceleration, AimAdjustment aimAdjustment, out int tableColumn)
{
ValidateParameters(burnDuration, acceleration, aimAdjustment);
float totalPositionAdjustment = 0;
int mpatAccelerationAdjustment = GetMpatAccelerationAdjustment(acceleration);
for (int i = 0; i < burnDuration; i++)
{
totalPositionAdjustment += _mpatData[(byte)aimAdjustment, i + mpatAccelerationAdjustment];
}
tableColumn = 7 - burnDuration - mpatAccelerationAdjustment;
return(totalPositionAdjustment);
}
public float GetTotalMissileAdjustment(int burnDuration, int acceleration, AimAdjustment aimAdjustment, out int tableColumn)
{
ValidateParameters(burnDuration, acceleration, aimAdjustment);
float totalPositionAdjustment = 0;
int mpatAccelerationAdjustment = GetMpatAccelerationAdjustment(acceleration);
for (int i = 0; i < burnDuration; i++)
{
totalPositionAdjustment += _mpatData[(byte)aimAdjustment, i + mpatAccelerationAdjustment];
}
tableColumn = 7 - burnDuration - mpatAccelerationAdjustment;
return totalPositionAdjustment;
}
public MissileAccelerationData CalculateMissileAcceleration(int targetRange, int burnDuration, int acceleration, AimAdjustment aimAdjustment, float roc)
{
int tableColumn;
float totalPositionAdjustment = _missilePositionAdjustmentTable.GetTotalMissileAdjustment(burnDuration, acceleration, aimAdjustment, out tableColumn);
var result = new MissileAccelerationData
{
TotalAcceleration = roc * burnDuration,
TotalPositionAdjustment = totalPositionAdjustment,
TableColumn = tableColumn,
TargetRange = targetRange,
BurnDuration = burnDuration,
ValidLaunch = true
};
result.BurnDistance = result.TotalAcceleration - result.TotalPositionAdjustment;
float nextRange = targetRange - result.BurnDistance;
if (nextRange <= 0)
{
result.ValidLaunch = false;
return result;
}
// Filling acceleration data per impulse.
for (int i = 0; i < burnDuration; i++)
{
var currentImpulse = new MissileAccelerationImpulse
{
PositionAdjustment = _missilePositionAdjustmentTable.GetSegmentMissileAdjustment(i + 1, acceleration, aimAdjustment),
Range = nextRange
};
result.ImpulseData.Add(currentImpulse);
nextRange = nextRange + roc - currentImpulse.PositionAdjustment;
}
if (Math.Abs(nextRange - targetRange) > 0.3f)
{
throw new ArithmeticException(string.Format("After computing missile acceleration info, couldn't reach target range at launch ({0}). Final range = {1}",
targetRange, nextRange));
}
return result;
}
private void ValidateParameters(int burnSegment, int acceleration, AimAdjustment aimAdjustment)
{
if (aimAdjustment == AimAdjustment.NoShot)
{
throw new ArgumentException("There should be a valid firing solution to reference MPAT.", "aimAdjustment");
}
if (burnSegment < 1 || burnSegment > 6)
{
throw new ArgumentException("Only burn durations 1 - 6 are supported by MPAT.", "burnSegment");
}
if (acceleration == 0 || acceleration % 8 != 0)
{
throw new ArgumentException("Acceleration should a multiple of 8, excluding zero.", "acceleration");
}
}
private void ValidateParameters(int burnSegment, int acceleration, AimAdjustment aimAdjustment)
{
if (aimAdjustment == AimAdjustment.NoShot)
{
throw new ArgumentException("There should be a valid firing solution to reference MPAT.", "aimAdjustment");
}
if (burnSegment < 1 || burnSegment > 6)
{
throw new ArgumentException("Only burn durations 1 - 6 are supported by MPAT.", "burnSegment");
}
if (acceleration == 0 || acceleration % 8 != 0)
{
throw new ArgumentException("Acceleration should a multiple of 8, excluding zero.", "acceleration");
}
}
public MissileAccelerationData CalculateMissileAcceleration(int targetRange, int burnDuration, int acceleration, AimAdjustment aimAdjustment, float roc)
{
int tableColumn;
float totalPositionAdjustment = _missilePositionAdjustmentTable.GetTotalMissileAdjustment(burnDuration, acceleration, aimAdjustment, out tableColumn);
var result = new MissileAccelerationData
{
TotalAcceleration = roc * burnDuration,
TotalPositionAdjustment = totalPositionAdjustment,
TableColumn = tableColumn,
TargetRange = targetRange,
BurnDuration = burnDuration,
ValidLaunch = true
};
result.BurnDistance = result.TotalAcceleration - result.TotalPositionAdjustment;
float nextRange = targetRange - result.BurnDistance;
if (nextRange <= 0)
{
result.ValidLaunch = false;
return(result);
}
// Filling acceleration data per impulse.
for (int i = 0; i < burnDuration; i++)
{
var currentImpulse = new MissileAccelerationImpulse
{
PositionAdjustment = _missilePositionAdjustmentTable.GetSegmentMissileAdjustment(i + 1, acceleration, aimAdjustment),
Range = nextRange
};
result.ImpulseData.Add(currentImpulse);
nextRange = nextRange + roc - currentImpulse.PositionAdjustment;
}
if (Math.Abs(nextRange - targetRange) > 0.3f)
{
throw new ArithmeticException(string.Format("After computing missile acceleration info, couldn't reach target range at launch ({0}). Final range = {1}",
targetRange, nextRange));
}
return(result);
}
