private static void SetLocation(ExternalThreatInfo nextThreatInfo, string location, int currentThreatIndex)
{
if (nextThreatInfo == null || nextThreatInfo.ZoneLocation.HasValue)
{
throw new InvalidOperationException("Error on external threat #" + currentThreatIndex);
}
nextThreatInfo.ZoneLocation = TryParseEnum <ZoneLocation>(location);
if (!nextThreatInfo.ZoneLocation.HasValue)
{
throw new InvalidOperationException("Error on external threat #" + currentThreatIndex);
}
}
private static ParseThreatsResult <ExternalThreat> ParseExternalThreats(IEnumerable <string> chunk)
{
var externalThreats = new List <ExternalThreat>();
var bonusThreats = new List <Threat>();
var threatTokens = new Queue <string>(chunk.Skip(1));
ExternalThreatInfo nextThreatInfo = null;
while (threatTokens.Any())
{
var nextToken = ParseToken(threatTokens.Dequeue());
if (nextToken == null)
{
throw new InvalidOperationException("Error on external threat #" + (externalThreats.Count + 1));
}
switch (nextToken.Item1)
{
case "id":
if (nextThreatInfo != null)
{
throw new InvalidOperationException("Error on external threat #" + (externalThreats.Count + 1));
}
nextThreatInfo = new ExternalThreatInfo {
Threat = ExternalThreatFactory.CreateThreat <ExternalThreat>(nextToken.Item2)
};
if (nextThreatInfo.Threat == null)
{
throw new InvalidOperationException("Error on external threat #" + (externalThreats.Count + 1));
}
break;
case "time":
SetTimeAppears(nextThreatInfo, nextToken.Item2, externalThreats.Count + 1);
break;
case "location":
SetLocation(nextThreatInfo, nextToken.Item2, externalThreats.Count + 1);
break;
case "extra-internal-threat-id":
bonusThreats.Add(SetExtraInternalThreat(nextToken.Item2, nextThreatInfo, externalThreats.Count + 1));
break;
case "extra-external-threat-id":
bonusThreats.Add(SetExtraExternalThreat(nextToken.Item2, nextThreatInfo, externalThreats.Count + 1));
break;
default:
throw new InvalidOperationException("Error on external threat #" + (externalThreats.Count + 1));
}
if (nextThreatInfo != null && nextThreatInfo.IsValid())
{
var threat = nextThreatInfo.Threat;
threat.SetInitialPlacement(
nextThreatInfo.TimeAppears.GetValueOrDefault(),
nextThreatInfo.ZoneLocation.GetValueOrDefault());
InitializeBonusThreats(nextThreatInfo);
externalThreats.Add(threat);
nextThreatInfo = null;
}
}
if (nextThreatInfo != null)
{
throw new InvalidOperationException("Error on external threat #" + (externalThreats.Count + 1));
}
return(new ParseThreatsResult <ExternalThreat>
{
Threats = externalThreats,
BonusThreats = bonusThreats
});
}