private void UpdateState(PhaseState phase)
{
// Clear computations
foreach (var threat in phase.Threats)
{
threat.InfluencedBy.Clear();
threat.CombinedEffects.Clear();
}
foreach (var measure in phase.Measures)
{
measure.Influences.Clear();
measure.CombinedEffects.Clear();
}
// Determine which measure influences which threat (and vice versa)
foreach (var measure in phase.Measures)
{
if (measure.InfluenceRadiusInMeter <= 0) continue;
foreach (var threat in phase.Threats)
{
var overlap = threat.Effects.Select(effect => effect.Name).Intersect(measure.Effects.Select(effect => effect.Name)).Any();
if (!overlap) continue;
//var distanceInMeter = CoordinateUtils.Distance(measure.Position.Latitude, measure.Position.Longitude, threat.Position.Latitude, threat.Position.Longitude) * 1000;
//if (distanceInMeter > measure.InfluenceRadiusInMeter) continue;
//var relPoint = new Point(threat.Position.Longitude - measure.Position.Longitude, threat.Position.Latitude - measure.Position.Latitude);
if (!isInArcSegment(measure.Position, threat.Position, measure.StartAngleInDegree, measure.EndAngleInDegree, measure.InfluenceRadiusInMeter)) continue;
threat.InfluencedBy.Add(measure);
measure.Influences.Add(threat);
}
}
// Compute the effects of this influence: threat is reduced, measure effectiveness is increased, labels are updated
foreach (var threat in phase.Threats)
{
foreach (var threatEffect in threat.Effects)
{
var combinedEffect = new EffectState(threatEffect.Name);
combinedEffect.AddEffectState(threatEffect);
foreach (var measure in threat.InfluencedBy)
{
foreach (var measureEffect in measure.Effects)
{
combinedEffect.SubtractEffectState(measureEffect);
}
}
threat.CombinedEffects.Add(combinedEffect);
updateThreatVisualisation(threat);
}
// For this phase, compute the combined threat
foreach (var ce in threat.CombinedEffects)
{
if (!phase.threatStates.ContainsKey(ce.Name)) phase.threatStates[ce.Name] = ce;
else phase.threatStates[ce.Name].AddEffectState(ce);
}
}
foreach (var measure in phase.Measures)
{
// For this phase, compute the combined effect
foreach (var ce in measure.Effects)
{
if (!phase.measureStates.ContainsKey(ce.Name)) phase.measureStates[ce.Name] = ce;
else phase.measureStates[ce.Name].AddEffectState(ce);
}
}
}
private void TrySetSelectedPhase()
{
if (!string.IsNullOrEmpty(selectedPhaseTitle))
{
foreach (var phase in Phases)
{
if (!string.Equals(phase.Title, selectedPhaseTitle)) continue;
selectedPhase = phase;
selectedPhase.Activate();
return;
}
}
if (Phases.Count > 0)
{
selectedPhase = Phases[0];
selectedPhase.Activate();
}
}