public IBook WriteBook(Ability topic, string name, Ability exposureAbility, double desiredLevel = 0)
{
// grant exposure experience
List <Ability> abilityList = new List <Ability>(_writingAbilities);
abilityList.Add(topic);
GetAbility(exposureAbility).AddExperience(2);
// TODO: When should books moved from the owned list to the covenant library?
if (desiredLevel == 1000)
{
Tractatus t = WriteTractatus(topic, name);
_booksOwned.Add(t);
return(t);
}
else
{
Summa s = WriteSumma(topic, name, desiredLevel);
if (s != null)
{
_booksOwned.Add(s);
}
return(s);
}
}
public override bool Equals(object obj)
{
if (obj.GetType() != typeof(Summa))
{
return(false);
}
Summa otherBook = (Summa)obj;
return
(this.Author == otherBook.Author &&
this.Level == otherBook.Level &&
this.Quality == otherBook.Quality &&
this.Title == otherBook.Title &&
this.Topic == otherBook.Topic);
}
/// <summary>
/// Works on a summa on the given topic.
/// If the work invested is not enough to finish a book on that topic,
/// the incomplete work is added to the list
/// </summary>
/// <param name="topic"></param>
/// <param name="desiredLevel"></param>
/// <returns>the summa if it is completed, null otherwise</returns>
protected Summa WriteSumma(Ability topic, string name, double desiredLevel)
{
Summa s;
CharacterAbilityBase ability = GetAbility(topic);
Summa previousWork = _incompleteBooks.Where(b => b.Title == name).FirstOrDefault();
if (previousWork == null)
{
double difference = (ability.Value / 2) - desiredLevel;
if (difference < 0)
{
throw new ArgumentOutOfRangeException();
}
s = new Summa()
{
Author = this,
Level = desiredLevel,
Topic = topic,
Title = name,
Quality = MagicArts.IsArt(ability.Ability) ?
this.GetAttribute(AttributeType.Communication).Value + difference + 6 :
this.GetAttribute(AttributeType.Communication).Value + (difference * 3) + 6
};
}
else
{
s = previousWork;
}
s.PointsComplete += this.GetAttribute(AttributeType.Communication).Value + GetAbility(_writingLanguage).Value;
if (s.PointsComplete >= s.GetWritingPointsNeeded())
{
_booksWritten.Add(s);
if (previousWork != null)
{
_incompleteBooks.Remove(previousWork);
}
return(s);
}
return(null);
}
/// <summary>
/// Works on a summa on the given topic.
/// If the work invested is not enough to finish a book on that topic,
/// the incomplete work is added to the list
/// </summary>
/// <param name="topic"></param>
/// <param name="desiredLevel"></param>
/// <returns>the summa if it is completed, null otherwise</returns>
protected Summa WriteSumma(Ability topic, string name, double desiredLevel)
{
Summa s;
CharacterAbilityBase ability = GetAbility(topic);
Summa previousWork = _incompleteBooks.Where(b => b.Title == name).FirstOrDefault();
if (previousWork == null)
{
double difference = (ability.Value / 2) - desiredLevel;
if (difference < 0)
{
throw new ArgumentOutOfRangeException();
}
s = new Summa()
{
Author = this,
Level = desiredLevel,
Topic = topic,
Title = name,
Quality = MagicArts.IsArt(ability.Ability) ?
this.GetAttribute(AttributeType.Communication).Value + difference + 6 :
this.GetAttribute(AttributeType.Communication).Value + (difference * 3) + 6
};
}
else
{
s = previousWork;
}
s.PointsComplete += this.GetAttribute(AttributeType.Communication).Value + GetAbility(_writingLanguage).Value;
if (s.PointsComplete >= s.GetWritingPointsNeeded())
{
_booksWritten.Add(s);
if (previousWork != null)
{
_incompleteBooks.Remove(previousWork);
}
return s;
}
return null;
}
public override IBook GetBestBookToWrite()
{
double currentBestBookValue = 0;
IBook bestBook = null;
HashSet <int> consideredTopics = new HashSet <int>();
// since the value of a tractatus is independent of topic,
// calculate the value of writing a tractatus now, so that we don't have to keep doing it
double tractatusValue = (6 + GetAttributeValue(AttributeType.Communication)) * GlobalEconomy.GlobalTractatusValue / 6;
double writingRate = GetAttributeValue(AttributeType.Communication) + GetAbility(_writingLanguage).Value;
var unneededBookTopics = GetUnneededBooksFromCollection().Select(b => b.Topic).Distinct();
foreach (BookDesire bookDesire in GlobalEconomy.DesiredBooksList)
{
// if we already have a suitable book for this topic, let's not try to write another
if (unneededBookTopics.Contains(bookDesire.Ability))
{
continue;
}
// check to see if we could even write a summa of a level that would meet this desire
if (GetAbility(bookDesire.Ability).Value > bookDesire.CurrentLevel * 2)
{
CharacterAbility buyerAbility = new CharacterAbility(bookDesire.Ability);
buyerAbility.Experience = buyerAbility.GetExperienceUntilLevel(bookDesire.CurrentLevel);
// see if we have started a summa on this topic
var relatedIncompleteBooks = _incompleteBooks.Where(b => b.Topic == bookDesire.Ability && b.Level > bookDesire.CurrentLevel);
if (relatedIncompleteBooks.Any())
{
foreach (Summa incompleteBook in relatedIncompleteBooks)
{
// the effective value is based on time to finish, not time already invested
double experienceValue = buyerAbility.GetExperienceUntilLevel(incompleteBook.Level);
double seasonsOfStudy = Math.Ceiling(experienceValue / incompleteBook.Quality);
double effectiveQuality = experienceValue / seasonsOfStudy;
// at a minimum, the book is worth the vis it would take, on average, to gain that experience
double visUsedPerStudySeason = 0.5 + ((buyerAbility.Value + (buyerAbility.GetValueGain(experienceValue) / 2)) / 10.0);
double studySeasons = experienceValue / VisStudyRate;
double visNeeded = studySeasons * visUsedPerStudySeason;
// scale visNeeded according to vis type
if (MagicArts.IsTechnique(bookDesire.Ability))
{
visNeeded *= 4;
}
else if (MagicArts.IsArt(bookDesire.Ability) && bookDesire.Ability != MagicArts.Vim)
{
visNeeded *= 2;
}
// for now, scale vis according to quality of book vs. quality of vis study
visNeeded *= incompleteBook.Quality / VisStudyRate;
// divide this visNeed valuation by how many seasons are left for writing
double writingNeeded = incompleteBook.GetWritingPointsNeeded() - incompleteBook.PointsComplete;
double seasonsLeft = Math.Ceiling(writingNeeded / writingRate);
double writingValue = visNeeded / seasonsLeft;
if (writingValue > currentBestBookValue)
{
// continue writing this summa
bestBook = incompleteBook;
}
}
}
else
{
// NOTE: this could lead us down a strange rabbit hole of starting a bunch of
// summae on a subject of varying levels, but I think that's unlikely enough
// to not try and protect from for now
double maxLevel = GetAbility(bookDesire.Ability).Value / 2.0;
for (double l = maxLevel; l > bookDesire.CurrentLevel; l--)
{
double q = 6 + maxLevel - l;
// the effective value is based on time to finish, not time already invested
double experienceValue = buyerAbility.GetExperienceUntilLevel(l);
double seasonsOfStudy = Math.Ceiling(experienceValue / q);
double effectiveQuality = experienceValue / seasonsOfStudy;
// at a minimum, the book is worth the vis it would take, on average, to gain that experience
double visUsedPerStudySeason = 0.5 + ((buyerAbility.Value + (buyerAbility.GetValueGain(experienceValue) / 2)) / 10.0);
double studySeasons = experienceValue / VisStudyRate;
double visNeeded = studySeasons * visUsedPerStudySeason;
// scale visNeeded according to vis type
if (MagicArts.IsTechnique(bookDesire.Ability))
{
visNeeded *= 4;
}
else if (MagicArts.IsArt(bookDesire.Ability) && bookDesire.Ability != MagicArts.Vim)
{
visNeeded *= 2;
}
// for now, scale vis according to quality of book vs. quality of vis study
visNeeded *= q / VisStudyRate;
// divide this visNeed valuation by how many seasons are left for writing
double seasonsLeft = Math.Ceiling(l / writingRate);
double writingValue = visNeeded / seasonsLeft;
if (writingValue > currentBestBookValue)
{
// write this summa
bestBook = new Summa
{
Quality = q,
Level = l,
Topic = bookDesire.Ability,
Title = bookDesire.Ability.AbilityName + " Summa for Dummies by " + Name,
Value = writingValue
};
currentBestBookValue = writingValue;
}
}
}
}
// consider the value of writing a tractatus
var charAbility = GetAbility(bookDesire.Ability);
if (!consideredTopics.Contains(bookDesire.Ability.AbilityId) && tractatusValue > currentBestBookValue && CanWriteTractatus(charAbility))
{
ushort previouslyWrittenCount = GetTractatiiWrittenOnTopic(bookDesire.Ability);
string name = Name + " " + bookDesire.Ability.AbilityName + " T" + previouslyWrittenCount.ToString();
bestBook = new Tractatus
{
Topic = bookDesire.Ability,
Title = name,
Value = tractatusValue
};
currentBestBookValue = tractatusValue;
}
consideredTopics.Add(bookDesire.Ability.AbilityId);
}
return(bestBook);
}