/// <summary>
/// Given a list of skill to remove, we return a list of entries also including all dependencies. No entry is removed by this method.
/// </summary>
/// <returns>A list of all the entries to remove.</returns>
protected IEnumerable <PlanEntry> GetAllEntriesToRemove <T>(IEnumerable <T> skillsToRemove)
where T : ISkillLevel
{
SkillLevelSet <PlanEntry> entriesSet = new SkillLevelSet <PlanEntry>();
List <PlanEntry> planEntries = new List <PlanEntry>();
// For every items to add
foreach (T itemToRemove in skillsToRemove.Where(
itemToRemove => IsPlanned(itemToRemove.Skill, itemToRemove.Level)).Where(
itemToRemove => !entriesSet.Contains(itemToRemove)))
{
// Let's first gather dependencies
foreach (PlanEntry dependencyEntry in Items.Where(
dependencyEntry => !entriesSet.Contains(dependencyEntry)).Where(
dependencyEntry => dependencyEntry.IsDependentOf(itemToRemove)))
{
// Gather this entry
planEntries.Add(dependencyEntry);
entriesSet.Set(dependencyEntry);
}
// Then add the item itself
PlanEntry entryToRemove = GetEntry(itemToRemove.Skill, itemToRemove.Level);
planEntries.Add(entryToRemove);
entriesSet.Set(entryToRemove);
}
return(planEntries);
}
/// <summary>
/// Given a list of skill to add, we return a list of all entries to add, also including all dependencies. No entry is added by this method.
/// </summary>
/// <param name="skillsToAdd">The enumerations of skills to add.</param>
/// <param name="note">The note for new entries.</param>
/// <param name="lowestPrereqPriority">The lowest priority (highest number) among all the prerequisites.</param>
/// <returns>A list of all the entries to add.</returns>
protected IEnumerable <PlanEntry> GetAllEntriesToAdd <T>(IEnumerable <T> skillsToAdd, string note,
out int lowestPrereqPriority)
where T : ISkillLevel
{
SkillLevelSet <PlanEntry> entriesSet = new SkillLevelSet <PlanEntry>();
List <PlanEntry> planEntries = new List <PlanEntry>();
lowestPrereqPriority = 1;
// For every items to add
foreach (T itemToAdd in skillsToAdd.Where(
itemToAdd => Character.GetSkillLevel(itemToAdd.Skill) < itemToAdd.Level))
{
// Already planned ? We update the lowestPrereqPriority and skip it.
if (IsPlanned(itemToAdd.Skill, itemToAdd.Level))
{
lowestPrereqPriority = Math.Max(GetEntry(itemToAdd.Skill, itemToAdd.Level).Priority, lowestPrereqPriority);
continue;
}
// Let's first add dependencies excluding those that the dependent skill is already trained
StaticSkillLevel item = new StaticSkillLevel(itemToAdd);
if (Character.GetSkillLevel(itemToAdd.Skill) < 1)
{
foreach (StaticSkillLevel dependency in item.AllDependencies.Where(
dependency => !entriesSet.Contains(dependency) && dependency.Skill != item.Skill &&
Character.GetSkillLevel(dependency.Skill) < dependency.Level)
.Select(dependency => new
{
dependency,
depItems = item.AllDependencies.Where(
dep => item.Skill != dep.Skill &&
dep.Skill.Prerequisites.Any(
prereq => prereq.Skill == dependency.Skill))
})
.Where(dep => !dep.depItems.Any() ||
!dep.depItems.All(depItem => Character.GetSkillLevel(depItem.Skill) >= depItem.Level))
.Select(dep => dep.dependency))
{
// Create an entry (even for existing ones, we will update them later from those new entries)
PlanEntry dependencyEntry = CreateEntryToAdd(dependency.Skill, dependency.Level,
PlanEntryType.Prerequisite, note, ref lowestPrereqPriority);
planEntries.Add(dependencyEntry);
entriesSet.Set(dependencyEntry);
}
// Already in the "entries to add" list ? We skip it (done at this point only because of recursive prereqs)
if (entriesSet.Contains(itemToAdd))
{
continue;
}
}
// Then add the item itself
PlanEntry entry = CreateEntryToAdd(itemToAdd.Skill, itemToAdd.Level,
PlanEntryType.Planned, note, ref lowestPrereqPriority);
planEntries.Add(entry);
entriesSet.Set(entry);
}
return(planEntries);
}
