/// <summary>
/// Clears the overlapping hediffs on the given pawn.
/// </summary>
/// <param name="mutationGiver">The mutation giver.</param>
/// <param name="pawn">The pawn.</param>
/// <exception cref="ArgumentNullException">
/// mutationGiver
/// or
/// pawn
/// </exception>
public static void ClearOverlappingHediffs([NotNull] this HediffGiver_Mutation mutationGiver, [NotNull] Pawn pawn)
{
if (mutationGiver == null)
{
throw new ArgumentNullException(nameof(mutationGiver));
}
if (pawn == null)
{
throw new ArgumentNullException(nameof(pawn));
}
var health = pawn.health;
if (health?.hediffSet?.hediffs == null)
{
return;
}
List <Hediff_AddedMutation> hediffsToRemove = new List <Hediff_AddedMutation>(); //save the result, otherwise we'd invalidate the enumerator when we start removing them
foreach (BodyPartDef bodyPartDef in mutationGiver.GetPartsToAddTo())
{
var hediffs = health.hediffSet.hediffs.Where(h => h?.Part?.def == bodyPartDef).OfType <Hediff_AddedMutation>();
hediffsToRemove.AddRange(hediffs); //don't start removing them until we have all mutation we need to remove
}
hediffsToRemove.RemoveDuplicates(); //don't want to remove a hediff more then once
foreach (Hediff_AddedMutation hediffAddedMutation in hediffsToRemove)
{
health.RemoveHediff(hediffAddedMutation);
}
}
public HediffGiver_Mutation CreateMutationGiver([NotNull] HediffDef parentDef)
{
var mutationGiver = new HediffGiver_Mutation
{
hediff = parentDef,
partsToAffect = parts.ToList(),
countToAffect = countToAffect
};
return(mutationGiver);
}