private static void CreateFractionDatabaseAsset()
{
Object selectedAsset = Selection.activeObject;
if (selectedAsset != null)
{
string directoryPath = AssetDatabase.GetAssetPath(selectedAsset);
if (System.IO.Directory.Exists(directoryPath))
{
string filePath = directoryPath + "/" + Constants.dictionaryFileName + Constants.dictionaryFileExtension;
/* Delete the old database file if one exists */
if (System.IO.File.Exists(filePath))
{
System.IO.File.Delete(filePath);
}
/* Generate the FractionDatabase */
FractionDatabase database = BuildFractionDatabase();
/* TESTING: Save the database as a text file for viewing */
IOHelper <FractionDatabase> .ToTextFile(database, directoryPath + "/database.txt");
/* Save the database */
IOHelper <FractionDatabase> .SerializeObject(database, filePath);
/* Refresh the asset database to show the Readme file */
AssetDatabase.Refresh();
}
}
}
/// <summary>
/// Creates a dictionary of keys 1-5
/// For each level, takes every fraction combination from the previous level and adds an atomic fraction to it to generate the next level
/// </summary>
/// <returns>
/// FractionDatabase consisting of a Dictionary with 5 levels of fraction combinations
/// Level 1: All fractions made up of adding 1 atomic fraction from 1/2 to 1/10
/// Level 2: All fractions made up of adding 2 atomic fraction
/// </returns>
private static FractionDatabase BuildFractionDatabase()
{
FractionDatabase database = new FractionDatabase();
/* Create every combination of single pieces, two pieces, ..., up to a limit of 5 (for now?) */
/* For each difficulty level (number of pieces) */
List <FractionData> atomicList = new List <FractionData>();
/* Build the atomicList of fractions with one component (atomic) */
/* For every possible atomic fraction */
for (int denominator = 2; denominator <= 10; denominator++)
{
FractionData data = new FractionData();
Fraction fraction = new Fraction(1, denominator);
data.Value += fraction;
data.Components.Add(fraction);
/* Add it to the atomicList */
atomicList.Add(data);
}
database.Data.Add(1, atomicList);
/* If more than one component needs to be generated, combine every item in atomicList with every possible atomic fraction */
for (int numComponents = 2; numComponents <= 5; numComponents++)
{
List <FractionData> fractionList = new List <FractionData>();
/* Loop through the previous difficulty level, adding every combination of atomic fraction */
foreach (FractionData fractionFromPreviousLevel in database.Data[numComponents - 1])
{
/* For every possible atomic fraction */
for (int denominator = 2; denominator <= 10; denominator++)
{
Fraction fraction = new Fraction(1, denominator);
/* Only add the new fraction if the base is within 2-10 */
Fraction sum = fractionFromPreviousLevel.Value + fraction;
if (sum.denominator <= 10)
{
FractionData data = new FractionData(fractionFromPreviousLevel)
{
Value = sum
};
data.Components.Add(fraction);
/* Ensure this new item is unique (1/2 + 1/4 === 1/4 + 1/2) */
if (IsDistinct(data, fractionList))
{
/* Add this fraction data to the list */
fractionList.Add(data);
}
}
}
}
/* Add the list of fractionData to the database */
database.Data.Add(numComponents, fractionList);
}
return(database);
}