FunkinMP/source/funkin/ui/options/PreferencesMenu.hx

package funkin.ui.options;

import flixel.FlxCamera;
import flixel.FlxObject;
import flixel.FlxSprite;
import flixel.text.FlxText;
import flixel.util.FlxColor;
import flixel.group.FlxSpriteGroup.FlxTypedSpriteGroup;
import funkin.ui.AtlasText.AtlasFont;
import funkin.ui.options.OptionsState.Page;
import funkin.graphics.FunkinCamera;
import funkin.graphics.FunkinSprite;
import funkin.ui.TextMenuList.TextMenuItem;
import funkin.audio.FunkinSound;
import funkin.ui.options.MenuItemEnums;
import funkin.ui.options.items.CheckboxPreferenceItem;
import funkin.ui.options.items.NumberPreferenceItem;
import funkin.ui.options.items.EnumPreferenceItem;

class PreferencesMenu extends Page
{
  var items:TextMenuList;
  var preferenceItems:FlxTypedSpriteGroup<FlxSprite>;
  var preferenceDesc:Array<String> = [];
  var itemDesc:FlxText;
  var itemDescBox:FunkinSprite;

  var menuCamera:FlxCamera;
  var hudCamera:FlxCamera;
  var camFollow:FlxObject;

  public function new()
  {
    super();

    menuCamera = new FunkinCamera('prefMenu');
    FlxG.cameras.add(menuCamera, false);
    menuCamera.bgColor = 0x0;

    hudCamera = new FlxCamera();
    FlxG.cameras.add(hudCamera, false);
    hudCamera.bgColor = 0x0;

    camera = menuCamera;

    add(items = new TextMenuList());
    add(preferenceItems = new FlxTypedSpriteGroup<FlxSprite>());

    add(itemDescBox = new FunkinSprite());
    itemDescBox.cameras = [hudCamera];

    add(itemDesc = new FlxText(0, 0, 1180, null, 32));
    itemDesc.cameras = [hudCamera];

    createPrefItems();
    createPrefDescription();

    camFollow = new FlxObject(FlxG.width / 2, 0, 140, 70);
    if (items != null) camFollow.y = items.selectedItem.y;

    menuCamera.follow(camFollow, null, 0.085);
    var margin = 160;
    menuCamera.deadzone.set(0, margin, menuCamera.width, menuCamera.height - margin * 2);
    menuCamera.minScrollY = 0;

    items.onChange.add(function(selected) {
      camFollow.y = selected.y;
      itemDesc.text = preferenceDesc[items.selectedIndex];
    });
  }

  /**
   * Create the description for preferences.
   */
  function createPrefDescription():Void
  {
    itemDescBox.makeSolidColor(1, 1, FlxColor.BLACK);
    itemDescBox.alpha = 0.6;
    itemDesc.setFormat(Paths.font('vcr.ttf'), 32, FlxColor.WHITE, FlxTextAlign.CENTER, FlxTextBorderStyle.OUTLINE, FlxColor.BLACK);
    itemDesc.borderSize = 3;

    // Update the text.
    itemDesc.text = preferenceDesc[items.selectedIndex];
    itemDesc.screenCenter();
    itemDesc.y += 270;

    // Create the box around the text.
    itemDescBox.setPosition(itemDesc.x - 10, itemDesc.y - 10);
    itemDescBox.setGraphicSize(Std.int(itemDesc.width + 20), Std.int(itemDesc.height + 25));
    itemDescBox.updateHitbox();
  }

  /**
   * Create the menu items for each of the preferences.
   */
  function createPrefItems():Void
  {
    createPrefItemCheckbox('Naughtyness', 'If enabled, raunchy content (such as swearing, etc.) will be displayed.', function(value:Bool):Void {
      Preferences.naughtyness = value;
    }, Preferences.naughtyness);
    createPrefItemCheckbox('Downscroll', 'If enabled, this will make the notes move downwards.', function(value:Bool):Void {
      Preferences.downscroll = value;
    }, Preferences.downscroll);
    createPrefItemCheckbox('Flashing Lights', 'If disabled, it will dampen flashing effects. Useful for people with photosensitive epilepsy.', function(value:Bool):Void {
      Preferences.flashingLights = value;
    }, Preferences.flashingLights);
    createPrefItemCheckbox('Camera Zooms', 'If disabled, camera stops bouncing to the song.', function(value:Bool):Void {
      Preferences.zoomCamera = value;
    }, Preferences.zoomCamera);
    createPrefItemCheckbox('Debug Display', 'If enabled, FPS and other debug stats will be displayed.', function(value:Bool):Void {
      Preferences.debugDisplay = value;
    }, Preferences.debugDisplay);
    createPrefItemCheckbox('Auto Pause', 'If enabled, game automatically pauses when it loses focus.', function(value:Bool):Void {
      Preferences.autoPause = value;
    }, Preferences.autoPause);

    #if web
    createPrefItemCheckbox('Unlocked Framerate', 'Enable to unlock the framerate', function(value:Bool):Void {
      Preferences.unlockedFramerate = value;
    }, Preferences.unlockedFramerate);
    #else
    createPrefItemNumber('FPS', 'The maximum framerate that the game targets', function(value:Float) {
      Preferences.framerate = Std.int(value);
    }, null, Preferences.framerate, 30, 300, 5, 0);
    #end
  }

  override function update(elapsed:Float):Void
  {
    super.update(elapsed);

    // Indent the selected item.
    items.forEach(function(daItem:TextMenuItem) {
      var thyOffset:Int = 0;
      // Initializing thy text width (if thou text present)
      var thyTextWidth:Int = 0;
      if (Std.isOfType(daItem, EnumPreferenceItem)) thyTextWidth = cast(daItem, EnumPreferenceItem).lefthandText.getWidth();
      else if (Std.isOfType(daItem, NumberPreferenceItem)) thyTextWidth = cast(daItem, NumberPreferenceItem).lefthandText.getWidth();

      if (thyTextWidth != 0)
      {
        // Magic number because of the weird offset thats being added by default
        thyOffset += thyTextWidth - 75;
      }

      if (items.selectedItem == daItem)
      {
        thyOffset += 150;
      }
      else
      {
        thyOffset += 120;
      }

      daItem.x = thyOffset;
    });
  }

  // - Preference item creation methods -
  // Should be moved into a separate PreferenceItems class but you can't access PreferencesMenu.items and PreferencesMenu.preferenceItems from outside.

  /**
   * Creates a pref item that works with booleans
   * @param onChange Gets called every time the player changes the value; use this to apply the value
   * @param defaultValue The value that is loaded in when the pref item is created (usually your Preferences.settingVariable)
   */
  function createPrefItemCheckbox(prefName:String, prefDesc:String, onChange:Bool->Void, defaultValue:Bool):Void
  {
    var checkbox:CheckboxPreferenceItem = new CheckboxPreferenceItem(0, 120 * (items.length - 1 + 1), defaultValue);

    items.createItem(0, (120 * items.length) + 30, prefName, AtlasFont.BOLD, function() {
      var value = !checkbox.currentValue;
      onChange(value);
      checkbox.currentValue = value;
    });

    preferenceItems.add(checkbox);
    preferenceDesc.push(prefDesc);
  }

  /**
   * Creates a pref item that works with general numbers
   * @param onChange Gets called every time the player changes the value; use this to apply the value
   * @param valueFormatter Will get called every time the game needs to display the float value; use this to change how the displayed value looks
   * @param defaultValue The value that is loaded in when the pref item is created (usually your Preferences.settingVariable)
   * @param min Minimum value (example: 0)
   * @param max Maximum value (example: 10)
   * @param step The value to increment/decrement by (default = 0.1)
   * @param precision Rounds decimals up to a `precision` amount of digits (ex: 4 -> 0.1234, 2 -> 0.12)
   */
  function createPrefItemNumber(prefName:String, prefDesc:String, onChange:Float->Void, ?valueFormatter:Float->String, defaultValue:Int, min:Int, max:Int,
      step:Float = 0.1, precision:Int):Void
  {
    var item = new NumberPreferenceItem(0, (120 * items.length) + 30, prefName, defaultValue, min, max, step, precision, onChange, valueFormatter);
    items.addItem(prefName, item);
    preferenceItems.add(item.lefthandText);
    preferenceDesc.push(prefDesc);
  }

  /**
   * Creates a pref item that works with number percentages
   * @param onChange Gets called every time the player changes the value; use this to apply the value
   * @param defaultValue The value that is loaded in when the pref item is created (usually your Preferences.settingVariable)
   * @param min Minimum value (default = 0)
   * @param max Maximum value (default = 100)
   */
  function createPrefItemPercentage(prefName:String, prefDesc:String, onChange:Int->Void, defaultValue:Int, min:Int = 0, max:Int = 100):Void
  {
    var newCallback = function(value:Float) {
      onChange(Std.int(value));
    };
    var formatter = function(value:Float) {
      return '${value}%';
    };
    var item = new NumberPreferenceItem(0, (120 * items.length) + 30, prefName, defaultValue, min, max, 10, 0, newCallback, formatter);
    items.addItem(prefName, item);
    preferenceItems.add(item.lefthandText);
    preferenceDesc.push(prefDesc);
  }

  /**
   * Creates a pref item that works with enums
   * @param values Maps enum values to display strings _(ex: `NoteHitSoundType.PingPong => "Ping pong"`)_
   * @param onChange Gets called every time the player changes the value; use this to apply the value
   * @param defaultValue The value that is loaded in when the pref item is created (usually your Preferences.settingVariable)
   */
  function createPrefItemEnum(prefName:String, prefDesc:String, values:Map<String, String>, onChange:String->Void, defaultValue:String):Void
  {
    var item = new EnumPreferenceItem(0, (120 * items.length) + 30, prefName, values, defaultValue, onChange);
    items.addItem(prefName, item);
    preferenceItems.add(item.lefthandText);
    preferenceDesc.push(prefDesc);
  }
}