private void ApplyFilters()
{
if (BeatmapDetailsLoader.instance.IsLoading)
{
Logger.log.Warn("Tried to apply filters while loading beatmap details (this should never happen?)");
return;
}
if (!Tweaks.SongBrowserTweaks.Initialized)
{
Logger.log.Debug($"Applying filter, starting with {_beatmapDetails.Count} songs");
}
List <BeatmapDetails> filteredLevels = null;
bool hasApplied;
if (!Tweaks.SongBrowserTweaks.Initialized)
{
filteredLevels = new List <BeatmapDetails>(_beatmapDetails.Values);
hasApplied = FilterList.ApplyFilter(ref filteredLevels);
Logger.log.Debug($"Filter completed, {filteredLevels.Count} songs left");
}
else
{
foreach (var filter in FilterList.ActiveFilters)
{
filter.ApplyStagingValues();
}
hasApplied = FilterList.AnyApplied;
}
RefreshUI();
if (hasApplied)
{
if (Tweaks.SongBrowserTweaks.ModLoaded && Tweaks.SongBrowserTweaks.Initialized)
{
_filterMainViewController.ShowInfoText("Filter applied");
}
else
{
_filterMainViewController.ShowInfoText($"{filteredLevels.Count} out of {_beatmapDetails.Count} songs found");
// SongBrowser will create its own BeatmapLevelPack when it gets our filtered levels via:
// ProcessSongList() -> CustomFilterHandler() -> ApplyFiltersForSongBrowser() -> ApplyFilters()
// filters are applied once this flow coordinator is dismissed
FilterApplied?.Invoke(_beatmapDetails.Where(x => filteredLevels.Contains(x.Value)).Select(x => x.Key).ToArray());
}
}
else
{
// default values were applied (no filtering or undo filtering)
FiltersUnapplied?.Invoke();
}
}
/// <summary>
/// Adapt this mod to SongBrowser version 5.4.0 and onwards.
/// </summary>
/// <returns>A boolean indicating whether the tweaks were done correctly.</returns>
private static bool _Init()
{
// acquire all the UI elements we need to change before modifying
LevelCollectionViewController levelCollectionViewController;
Button xButton;
Button filterByButton;
Button[] existingFilterButtons;
var levelSelectionNavigationController = SongListUI.instance.LevelSelectionNavigationController;
try
{
levelCollectionViewController = levelSelectionNavigationController.GetPrivateField <LevelCollectionViewController>("_levelCollectionViewController");
_songBrowserUI = Resources.FindObjectsOfTypeAll <SongBrowserUI>().First();
_searchButton = levelCollectionViewController.GetComponentsInChildren <Button>(true).First(x => x.name == "FilterSearchButton");
existingFilterButtons = levelCollectionViewController.GetComponentsInChildren <Button>(true).Where(x => x.name.StartsWith("Filter") && x.name.EndsWith("Button")).ToArray();
// these buttons are found using their respective x positions (will need to be changed if button position changes)
xButton = levelCollectionViewController.GetComponentsInChildren <Button>(true).First(x => x.name == "CustomUIButton" && (x.transform as RectTransform).anchoredPosition.x == -32.5f);
filterByButton = levelCollectionViewController.GetComponentsInChildren <Button>(true).First(x => x.name == "CustomUIButton" && (x.transform as RectTransform).anchoredPosition.x == 30.5);
_clearFiltersButton = levelCollectionViewController.GetComponentsInChildren <Button>(true).First(x => x.name == "CustomUIButton" && (x.transform as RectTransform).anchoredPosition.x == 54.5f);
}
catch (InvalidOperationException)
{
Logger.log.Debug("Unable to find the buttons created by SongBrowser");
return(false);
}
// SongBrowser filter buttons
if (!PluginConfig.DisableSearch)
{
_searchButton.onClick.RemoveAllListeners();
_searchButton.onClick.AddListener(delegate()
{
SongListUI.instance.SearchButtonPressed();
_filterButton.gameObject.SetActive(false);
_songBrowserUI.InvokeMethod("RefreshOuterUIState", new object[] { UIState.Main });
});
}
else
{
Logger.log.Info("Enhanced search functionality is disabled. SongBrowser's \"Search\" button is not modified");
}
if (!PluginConfig.DisableFilters)
{
foreach (var button in existingFilterButtons)
{
if (button.name == "FilterSearchButton")
{
continue;
}
button.onClick.AddListener(delegate()
{
// search button should be hidden already via RefreshOuterUIState
_filterButton.gameObject.SetActive(false);
SongListUI.instance.UnapplyFilters();
});
}
// create this mod's filter button
_filterButton = BeatSaberUI.CreateUIButton(levelCollectionViewController.rectTransform, "ApplyButton", new Vector2(-18f + (12.75f * existingFilterButtons.Length), 37f), new Vector2(16.75f, 5f),
delegate()
{
SongListUI.instance.FilterButtonPressed();
_filterButton.gameObject.SetActive(false);
_songBrowserUI.InvokeMethod("RefreshOuterUIState", new object[] { UIState.Main });
},
"Other Filters");
_filterButton.SetButtonTextSize(2.25f);
_filterButton.GetComponentsInChildren <HorizontalLayoutGroup>().First(btn => btn.name == "Content").padding = new RectOffset(4, 4, 2, 2);
_filterButton.ToggleWordWrapping(false);
_filterButton.gameObject.SetActive(false);
// SongBrowser outer UI buttons
filterByButton.onClick.AddListener(delegate()
{
_filterButton.gameObject.SetActive(true);
});
_clearFiltersButton.onClick.RemoveAllListeners();
_clearFiltersButton.onClick.AddListener(delegate()
{
SongListUI.instance.ClearButtonPressed();
// filters are cancelled by ClearButtonPressed -> UnapplyFilters -> FilterFlowCoordinatorFiltersUnapplied
// but only if custom filters are applied, otherwise we do it here
if ((_songBrowserUI as SongBrowserUI).Model.Settings.filterMode != SongFilterMode.None)
{
_FiltersUnapplied();
}
});
xButton.onClick.AddListener(delegate()
{
_filterButton.gameObject.SetActive(false);
});
// custom filter handler when the same level pack is selected
SongBrowserModel.CustomFilterHandler = delegate(IBeatmapLevelPack levelPack)
{
FilterList.ApplyFilter(levelPack.beatmapLevelCollection.beatmapLevels, out var filteredLevels, false);
return(filteredLevels.ToList());
};
// on first load, SongBrowser uses the previously applied settings
// if this mod's filters was applied last, we have to disable it, since our filters aren't saved across sessions
if ((_songBrowserUI as SongBrowserUI).Model.Settings.filterMode == SongFilterMode.Custom)
{
(_songBrowserUI as SongBrowserUI).CancelFilter();
(_songBrowserUI as SongBrowserUI).ProcessSongList();
(_songBrowserUI as SongBrowserUI).RefreshSongUI();
}
}
else
{
Logger.log.Info("Filter functionality is disabled. SongBrowser's buttons are not modified");
}
Initialized = true;
Logger.log.Info("Modified SongBrowser's search, filter, and clear filter buttons");
return(true);
}