/// <summary>キャラ名を指定して設定ファイルへのパスを取得します。</summary>
/// <param name="characterName">キャラ名</param>
/// <returns>設定ファイルへのパス文字列</returns>
private static string GetSettingFilePath(string characterName)
{
string dir = Path.Combine(
DirectoryNames.GetCharacterDirectory(characterName),
SettingFileDirectory
);
Directory.CreateDirectory(dir);
return(Path.Combine(dir, SettingFileName));
}
/// <summary>キャラをロードし、インスタンスを返します。</summary>
/// <param name="characterName">キャラの名前</param>
/// <returns>キャラのインスタンス</returns>
public static IHarrietCharacter Load(string characterName)
{
var loader = new MEFCharacterLoader();
string path = DirectoryNames.GetCharacterLoadedDirectory(characterName);
var catalog = new DirectoryCatalog(path);
var container = new CompositionContainer(catalog);
container.ComposeParts(loader);
return(loader.character);
}
/// <summary>キャラを定められた仕様にもとづいてロードする。失敗すると例外が飛んでくる</summary>
public static IHarrietCharacter LoadCharacter(string characterName)
{
var engine = Python.CreateEngine();
//名前参照にexeのディレクトリとキャラのディレクトリを追加
var paths = engine.GetSearchPaths();
paths.Add(Environment.CurrentDirectory);
paths.Add(DirectoryNames.GetCharacterScriptDirectory(characterName));
paths.Add(DirectoryNames.GetCharacterLoadedDirectory(characterName));
engine.SetSearchPaths(paths);
string path = GetInitializeScriptPath(characterName);
if (!File.Exists(path))
{
throw new FileNotFoundException($"file '{path}' was not found: this is needed to load character data");
}
engine.ExecuteFile(path, engine.Runtime.Globals);
dynamic loadFunction;
bool result = engine.Runtime.Globals.TryGetVariable(CharacterLoadFunction, out loadFunction);
if (!result)
{
throw new InvalidOperationException($"'{CharacterLoadFunction}' function does not exist in '{path}'");
}
PythonFunction function = loadFunction as PythonFunction;
if (function == null)
{
throw new InvalidOperationException($"'{CharacterLoadFunction}' defined in '{path}' is not function");
}
IHarrietCharacter character = loadFunction() as IHarrietCharacter;
if (character == null)
{
throw new InvalidOperationException($"{CharacterLoadFunction} result does not implements IHarrietCharacter");
}
return(character);
}
private static string GetInitializeScriptPath(string characterName)
{
return(Path.Combine(DirectoryNames.GetCharacterLoadedDirectory(characterName), InitializeScriptName));
}
