/// <summary>
/// Updates every localization .CSV file associated with this .yarn
/// file.
/// </summary>
/// <remarks>
/// This method updates each localization file by performing the
/// following operations:
///
/// - Inserts new entries if they're present in the base localization
/// and not in the translated localization
///
/// - Removes entries if they're present in the translated localization
/// and not in the base localization
///
/// - Detects if a line in the base localization has changed its Lock
/// value from when the translated localization was created, and update
/// its Comment
/// </remarks>
/// <param name="serializedObject">A serialized object that represents
/// a <see cref="YarnImporter"/>.</param>
internal static void UpdateLocalizationCSVs(SerializedObject serializedObject)
{
var localizationDatabaseProperty = serializedObject.FindProperty("localizationDatabase");
if (serializedObject.isEditingMultipleObjects)
{
Debug.LogError($"Can't update localization CSVs: multiple objects are being edited.");
return;
}
var baseLocalizationStrings = GetBaseLanguageStringsForSelectedObject(serializedObject);
var localizations = (serializedObject.targetObject as YarnImporter).localizations;
var modifiedFiles = new List <TextAsset>();
foreach (var loc in localizations)
{
var fileWasChanged = UpdateLocalizationFile(baseLocalizationStrings, loc.languageName, loc.text);
if (fileWasChanged)
{
modifiedFiles.Add(loc.text);
}
}
if (modifiedFiles.Count > 0)
{
Debug.Log($"Updated the following files: {string.Join(", ", modifiedFiles.Select(f => f.name))}");
}
else
{
Debug.Log($"No files needed updating.");
// Update our corresponding localization database.
if (localizationDatabaseProperty.objectReferenceValue is LocalizationDatabase database)
{
LocalizationDatabaseUtility.UpdateContents(database);
}
}
}
/// <summary>
/// Creates a new localization database asset adjacent to one of the
/// selected objects, configures all selected objects to use it, and
/// ensures that the project's text language list includes this
/// program's base language.
/// </summary>
/// <param name="serializedObject">A serialized object that represents
/// a <see cref="YarnImporter"/>.</param>
internal static void CreateNewLocalizationDatabase(SerializedObject serializedObject)
{
if (serializedObject.isEditingMultipleObjects)
{
throw new System.InvalidOperationException($"Cannot invoke {nameof(CreateNewLocalizationDatabase)} when editing multiple objects");
}
var localizationDatabaseProperty = serializedObject.FindProperty("localizationDatabase");
var target = serializedObject.targetObjects[0];
// Figure out where on disk this asset is
var path = AssetDatabase.GetAssetPath(target);
var directory = Path.GetDirectoryName(path);
// Figure out a new, unique path for the localization we're
// creating
var databaseFileName = $"LocalizationDatabase.asset";
var destinationPath = Path.Combine(directory, databaseFileName);
destinationPath = AssetDatabase.GenerateUniqueAssetPath(destinationPath);
// Create the asset and set it up
var localizationDatabaseAsset = ScriptableObject.CreateInstance <LocalizationDatabase>();
// The list of languages we needed to add to the project's text language
// list
var languagesAddedToProject = new List <string>();
// Attach all selected programs to this new database
foreach (YarnImporter importer in serializedObject.targetObjects)
{
if (importer.programContainer != null)
{
localizationDatabaseAsset.AddTrackedProgram(importer.programContainer);
// If this database doesn't currently have a localization
// for the currently selected program, add one
var theLanguage = importer.baseLanguageID;
if (localizationDatabaseAsset.HasLocalization(theLanguage) == false)
{
var localizationPath = Path.Combine(directory, $"{Path.GetFileNameWithoutExtension(databaseFileName)}-{theLanguage}.asset");
localizationPath = AssetDatabase.GenerateUniqueAssetPath(localizationPath);
// Create the asset and set it up
var localizationAsset = ScriptableObject.CreateInstance <Localization>();
localizationAsset.LocaleCode = theLanguage;
AssetDatabase.CreateAsset(localizationAsset, localizationPath);
localizationDatabaseAsset.AddLocalization(localizationAsset);
}
// Add this language to the project's text language list if
// we need to, and remember that we did so
if (ProjectSettings.TextProjectLanguages.Contains(importer.baseLanguageID) == false)
{
ProjectSettings.TextProjectLanguages.Add(importer.baseLanguageID);
languagesAddedToProject.Add(importer.baseLanguageID);
}
}
}
// Log if we needed to update the project text language list
if (languagesAddedToProject.Count > 0)
{
Debug.Log($"The following {(languagesAddedToProject.Count == 1 ? "language was" : "languages were")} added to the project's text language list: {string.Join(", ", languagesAddedToProject)}. To review this list, choose Edit > Project Settings > Yarn Spinner.");
}
// Populate the database's contents
LocalizationDatabaseUtility.UpdateContents(localizationDatabaseAsset);
// Save it to disk
AssetDatabase.CreateAsset(localizationDatabaseAsset, destinationPath);
AssetDatabase.SaveAssets();
AssetDatabase.ImportAsset(destinationPath);
// Associate this localization database with the object.
localizationDatabaseProperty.objectReferenceValue = localizationDatabaseAsset;
serializedObject.ApplyModifiedProperties();
}
public override void OnInspectorGUI()
{
// If true, at least one of the Localizations in the selected
// LocalizationDatabases are null references; in this case, the
// Add New Localization button will be disabled (it will be
// re-enabled when the empty field is filled)
bool anyLocalizationsAreNull = false;
if (localizationsProperty.arraySize == 0)
{
EditorGUILayout.HelpBox($"This {ObjectNames.NicifyVariableName(nameof(LocalizationDatabase)).ToLowerInvariant()} has no {ObjectNames.NicifyVariableName(nameof(Localization)).ToLowerInvariant()}s. Create a new one, or add an existing one.", MessageType.Info);
}
foreach (SerializedProperty property in localizationsProperty)
{
// The locale code for this localization ("en-AU")
string localeCode = null;
// The human-friendly code for this localization ("English
// (Australia)")
string localeCodeDisplayName = null;
// If true, a localization asset is present in this
// property
bool localizationPresent = false;
// If true, the locale code for this localization asset
// exists inside the Cultures class's list
bool cultureIsValid = false;
if (property.objectReferenceValue != null)
{
localeCode = (property.objectReferenceValue as Localization).LocaleCode;
localizationPresent = true;
cultureIsValid = Cultures.HasCulture(localeCode);
if (cultureIsValid)
{
localeCodeDisplayName = Cultures.GetCulture(localeCode).DisplayName;
}
else
{
localeCodeDisplayName = "Invalid";
}
}
else
{
// This property is empty. We'll end up drawing an
// empty object field here; record this so that we know
// to disable the 'Add Existing' button later.
anyLocalizationsAreNull = true;
}
using (new EditorGUILayout.HorizontalScope())
{
// If a localization is present, show the display name
// and locale code; otherwise, show null (which will
// make the corresponding empty field take up the whole
// width)
string labelContents;
if (localizationPresent)
{
labelContents = localeCodeDisplayName + $" ({localeCode})";
}
else
{
labelContents = "";
}
// Show the property field for this element in the
// array
EditorGUILayout.PropertyField(property, new GUIContent(labelContents));
// Show a button that removes this element
if (GUILayout.Button("-", EditorStyles.miniButton, GUILayout.ExpandWidth(false)))
{
// Remove the element from the slot in the array...
property.DeleteCommand();
// ... and remove the empty slot from the array.
property.DeleteCommand();
}
}
// Is a locale code set that's invalid?
if (localeCode == null)
{
EditorGUILayout.HelpBox($"Drag and drop a {nameof(Localization)} to this field to add it to this localization database.", MessageType.Info);
}
else
{
if (cultureIsValid == false)
{
// A locale code was set, but this locale code
// isn't valid. Show a warning.
EditorGUILayout.HelpBox($"'{localeCode}' is not a valid locale. This localization's contents won't be available in the game.", MessageType.Warning);
}
else if (ProjectSettings.TextProjectLanguages.Contains(localeCode) == false)
{
// The locale is valid, but the project settings
// don't include this language. Show a warning (the
// user won't be able to select this localization)
const string fixButtonLabel = "Add to Language List";
EditorGUILayout.HelpBox($"{localeCodeDisplayName} is not in this project's language list. This localization's contents won't be available in the game.\n\nClick {fixButtonLabel} to fix this issue.", MessageType.Warning);
if (GUILayout.Button(fixButtonLabel))
{
ProjectSettings.AddNewTextLanguage(localeCode);
// This will resolve the error, so we'll
// immediately repaint
Repaint();
}
// Nice little space to visually associate the
// 'add' button with the field and reduce confusion
EditorGUILayout.Space();
}
}
}
// Show the buttons for adding and creating localizations only
// if we're not editing multiple databases.
if (serializedObject.isEditingMultipleObjects == false)
{
// Disable the 'add existing' button if there's already an
// empty field. (Clicking this button adds a new empty field,
// so we don't want to end up creating multiples.)
using (new EditorGUI.DisabledScope(anyLocalizationsAreNull))
{
// Show the 'add existing' button, which adds a new
// empty field for the user to drop an existing
// Localization asset into.
if (GUILayout.Button("Add Existing Localisation"))
{
localizationsProperty.InsertArrayElementAtIndex(localizationsProperty.arraySize);
localizationsProperty.GetArrayElementAtIndex(localizationsProperty.arraySize - 1).objectReferenceValue = null;
}
}
// Show the 'create new' button, which displays the menu of
// available languages; selecting a language causes a new
// localization asset to be created with that language, and
// adds it to this database.
if (GUILayout.Button("Create New Localization"))
{
var languageMenu = CreateLanguageMenu();
languageMenu.ShowAsContext();
}
}
GUILayout.Space(EditorGUIUtility.singleLineHeight);
// Show information about the scripts we're pulling data from,
// and offer to update the database now
if (trackedProgramsProperty.arraySize == 0)
{
EditorGUILayout.HelpBox("No Yarn scripts currently use this database.\n\nTo make a Yarn script use this database, select one, and set its Localization Database to this file.", MessageType.Info);
}
else
{
if (serializedObject.isEditingMultipleObjects == false)
{
EditorGUILayout.LabelField("Uses lines from:");
EditorGUI.indentLevel += 1;
// List every tracked program, but disable it (we don't
// change them here, they're changed in the inspector for
// the Yarn script.)
using (new EditorGUI.DisabledScope(true))
{
foreach (SerializedProperty trackedProgramProperty in trackedProgramsProperty)
{
EditorGUILayout.PropertyField(trackedProgramProperty, new GUIContent());
}
}
EditorGUI.indentLevel -= 1;
EditorGUILayout.Space();
EditorGUILayout.HelpBox("This database will automatically update when the contents of these scripts change. If you modify the .csv files for other translations, modify any locale-specific assets, or if you need to manually update the database, click Update Database.", MessageType.Info);
}
if (GUILayout.Button("Update Database"))
{
foreach (LocalizationDatabase target in serializedObject.targetObjects)
{
LocalizationDatabaseUtility.UpdateContents(target);
}
}
#if ADDRESSABLES
// Give a helpful note if addressables are availalbe, but
// haven't been set up. (In this circumstance,
// Localizations won't be able to store references to the
// assets they find.)
if (AddressableAssetSettingsDefaultObject.SettingsExists == false)
{
EditorGUILayout.HelpBox("The Addressable Assets package has been added, but it hasn't been set up yet. Assets associated with lines won't be included in this database.\n\nTo set up Addressable Assets, choose Window > Asset Management > Addressables > Groups.", MessageType.Info);
}
#endif
}
serializedObject.ApplyModifiedProperties();
}
// Detects when a YarnProgram has been imported (either created or
// modified), and checks to see if its importer is configured to
// associate it with a LocalizationDatabase. If it is, the
// LocalizationDatabase is updated to include this program in its
// TrackedPrograms collection. Finally, the LocalizationDatabase is
// made to update its contents.
//
// We do this in a post-processor rather than in the importer
// itself, because assets created in an importer don't actually
// "exist" (as far as Unity is concerned) until after the import
// process completes, so references to that asset aren't valid
// (i.e. it hasn't been assigned a GUID yet).
static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAssets, string[] movedAssets, string[] movedFromAssetPaths)
{
// Get the list of paths to assets that we've just imported
// whose main asset is a YarnProgram. (If there aren't any,
// this method has nothing to do.)
var importedYarnAssets = importedAssets.Where(path => AssetDatabase.GetMainAssetTypeAtPath(path)?.IsAssignableFrom(typeof(YarnProgram)) ?? false);
if (importedYarnAssets.Count() == 0)
{
return;
}
// Tracks all databases that are affected by the Yarn scripts
// that we just imported
var impactedDatabases = new HashSet <LocalizationDatabase>();
foreach (var importedPath in importedYarnAssets)
{
var importer = AssetImporter.GetAtPath(importedPath) as YarnImporter;
// Verify that we have the right kind of importer that we
// expect.
if (importer == null)
{
Debug.Log($"{nameof(YarnProgram)} at {importedPath}'s importer is not a {nameof(YarnImporter)}. This probably indicates a problem elsewhere in your setup.");
continue;
}
// Try and get the localization database!
var database = importer.localizationDatabase;
if (database == null)
{
// This program has no localization database to
// associate with, so nothing to do here.
continue;
}
var trackedPrograms = importer.localizationDatabase.TrackedPrograms;
// The database is using data from this program if any of
// the programs in its list have a path that match this
// asset. (Doing it this way means we don't need to
// deserialize the asset at importedPath unless we really
// need to.)
var databaseIsTrackingThisProgram = trackedPrograms.Select(p => AssetDatabase.GetAssetPath(p))
.Contains(importedPath);
if (databaseIsTrackingThisProgram == false)
{
// The YarnProgram wants the database to have it in its
// TrackedPrograms list, but it's not there. We need to
// add it.
// First, import the program, so we can add the
// reference.
var program = AssetDatabase.LoadAssetAtPath <YarnProgram>(importedPath);
if (program == null)
{
// The program failed to be loaded at this path. It
// probably failed to compile, so we can't add it
// to the localized database.
continue;
}
// Add this program to the list.
importer.localizationDatabase.AddTrackedProgram(program);
}
// This database needs to be updated.
impactedDatabases.Add(importer.localizationDatabase);
}
if (impactedDatabases.Count > 0)
{
foreach (var db in impactedDatabases)
{
// Make the database update its contents
LocalizationDatabaseUtility.UpdateContents(db);
}
// Save any changed localization databases. (This will trigger
// this method to be called again, but none of the paths that
// we just worked with will have changed, so it won't trigger a
// recursion.)
AssetDatabase.SaveAssets();
}
}
