private static bool TryFindScrounger(TechTier scannerTier, Vessel candidate, TieredResource stuffResource, out TechTier highestScroungerTier)
{
highestScroungerTier = TechTier.Tier0;
// Don't trust KSP to actually always have these things populated;
if (candidate.protoVessel == null || candidate.protoVessel.protoPartSnapshots == null)
{
return(false);
}
bool hasScrounger = false;
foreach (var protoPart in candidate.protoVessel.protoPartSnapshots)
{
if (protoPart.modules == null)
{
continue;
}
// Unloaded vessels have modules, but they're not truly populated - that is, the class for
// the module is created, but the members have their default values... So we can find the
// stuff that's coded in the part description (in this case) the "output" field here:
if (protoPart.partPrefab.Modules.OfType <PksTieredResourceConverter>().Any(c => c.Output == stuffResource))
{
hasScrounger = true;
// ...But to get hold of the this that are set in the VAB (like the tier), you have
// to parse it out of the config nodes.
foreach (var protoModule in protoPart.modules.Where(m => m.moduleName == nameof(PksTieredResourceConverter)))
{
TechTier tier = PksTieredResourceConverter.GetTechTierFromConfig(protoModule.moduleValues);
if (tier > scannerTier)
{
// There's no practical use of finding stuff near this base - even if it has lower
// tier scroungers somewhere, the higher tier ones should be taking priority.
return(false);
}
else if (tier > highestScroungerTier)
{
highestScroungerTier = tier;
}
}
}
}
return(hasScrounger && stuffResource.MadeFrom(highestScroungerTier) != null);
}
internal static TierSuitability GetTierSuitability(
IColonizationResearchScenario colonizationResearchScenario,
TieredResource tieredResource,
TechTier tier,
TechTier partMaxTier,
string body)
{
if (body == null && tieredResource.ResearchCategory.Type != ProductionRestriction.Space)
{
return(TierSuitability.BodyNotSelected);
}
if (tier > partMaxTier)
{
return(TierSuitability.PartDoesntSupportTier);
}
var maxTier = colonizationResearchScenario.GetMaxUnlockedTier(tieredResource, body);
if (tier > maxTier)
{
return(TierSuitability.NotResearched);
}
bool subordinateTechIsCapping = false;
for (TieredResource requiredResource = tieredResource.MadeFrom(tier); requiredResource != null; requiredResource = requiredResource.MadeFrom(tier))
{
if (requiredResource.ResearchCategory.Type != tieredResource.ResearchCategory.Type)
{
// This would be a case where the made-from is produced in one situation (e.g. landed) and consumed
// in another (in space). We don't know where the stuff is produced, so we'll just have to assume
// we can get the stuff from somewhere.
break;
}
var t = colonizationResearchScenario.GetMaxUnlockedTier(requiredResource, body);
if (tier > t)
{
return(TierSuitability.LacksSubordinateResearch);
}
else if (tier == t)
{
subordinateTechIsCapping = true;
}
}
TechTier maxScanningTier = string.IsNullOrEmpty(body) ? TechTier.Tier4 : colonizationResearchScenario.GetMaxUnlockedScanningTier(body);
if (tier > maxScanningTier)
{
return(TierSuitability.LacksScanner);
}
if (tier < maxTier && !subordinateTechIsCapping && (string.IsNullOrEmpty(body) || tier < maxScanningTier))
{
return(TierSuitability.UnderTier);
}
return(TierSuitability.Ideal);
}