//=============================================================================
// MOG_MenuBackground.js
//=============================================================================
/*:
 * @target MZ
 * @plugindesc (v1.0) O plugin permite mudar a imagem de fundo do menu.
 * @author Moghunter
 * @url https://mogplugins.wordpress.com
 *
 * @param Default FileName
 * @text File Name
 * @desc Definição do nome de arquivo.
 * @type file
 * @dir img/menus/
 * @default Background_01
 *
 * @param Window Opacity
 * @desc Definição da transparência da janela.
 * @type number
 * @default 0
 * @min 0
 * @max 255
 *
 * @param Scroll X-Axis
 * @desc Definição da velocidade de deslize na horizontal.
 * @default 0
 *
 * @param Scroll Y-Axis
 * @desc Definição da velocidade de deslize na vertical.
 * @default 0
 *
 * @param Disable Scenes
 * @desc Definição das cenas que terão o efeito desativado.
 * Scene_Name1 , Scene_Name2 , Scene_Name3 ...
 * @default Scene_Test1,Scene_Test2,Scene_Test3
 *
 * @command MenuBackground_Setup
 * @desc Configuração do fundo do menu.
 * @text Setup
 *
 * @arg fileName
 * @text File Name
 * @desc Definição do nome de arquivo.
 * @type file
 * @dir img/menus/
 * @default Background_01
 *
 * @arg sx
 * @text Horizontal Scroll
 * @desc Definição da velocidade de deslize na horizontal.
 * @default 0
 *
 * @arg sy
 * @text Vertical Scroll
 * @desc Definição da velocidade do deslize na vertical.
 * @default 0
 *
 * @help
 * =============================================================================
 * ♦♦♦ MOG - Menu Background ♦♦♦
 * Author   -   Moghunter
 * Version  -   1.0
 * Updated  -   2020/10/18
 * https://mogplugins.wordpress.com
 * =============================================================================
 * O plugin permite mudar a imagem de fundo do menu.
 *
 * =============================================================================
 * As imagens do background deverão ficar na pasta /img/menus/
 * =============================================================================
 *
 */
(() => {
  //=============================================================================
  // ** PLUGIN PARAMETERS
  //=============================================================================
  var Imported = Imported || {};
  Imported.MOG_MenuBackground = true;
  var Moghunter = Moghunter || {};

  Moghunter.parameters = PluginManager.parameters("MOG_MenuBackground");
  Moghunter.mback_fileName = String(
    Moghunter.parameters["Default FileName"] || "Background_01"
  );
  Moghunter.mback_sufixName = String(
    Moghunter.parameters["Suffix FileName"] || "_back"
  );
  Moghunter.mback_selfback = String(
    Moghunter.parameters["Unique Backgrounds"] || "false"
  );
  Moghunter.mback_skipscenes = Object(
    Moghunter.parameters["Disable Scenes"] || []
  );
  Moghunter.mback_ox = Number(Moghunter.parameters["Scroll X-Axis"] || 0);
  Moghunter.mback_oy = Number(Moghunter.parameters["Scroll Y-Axis"] || 0);
  Moghunter.mback_opacity = Number(Moghunter.parameters["Window Opacity"] || 0);
  SceneManager._mback = false;

  //==============================
  // * Setup Command
  //==============================
  PluginManager.registerCommand(
    "MOG_MenuBackground",
    "MenuBackground_Setup",
    (data) => {
      const fileName = String(data.fileName);
      const sx = Number(data.sx);
      const sy = Number(data.sy);
      $gameSystem._menuBackgroundData.fileName = fileName;
      $gameSystem._menuBackgroundData.sx = sx;
      $gameSystem._menuBackgroundData.sy = sy;
      SceneManager.setMenuBackgroundBitmap(true);
    }
  );

  //=============================================================================
  // ■■■ ImageManager ■■■
  //=============================================================================

  //==============================
  // * Menus
  //==============================
  ImageManager.loadMenus = function (filename) {
    return this.loadBitmap("img/menus/", filename);
  };

  //=============================================================================
  // ■■■ Game System ■■■
  //=============================================================================

  //==============================
  // ♦ ALIAS ♦  Initialize
  //==============================
  const _mog_menuBackground_gSystem_initialize =
    Game_System.prototype.initialize;
  Game_System.prototype.initialize = function () {
    _mog_menuBackground_gSystem_initialize.call(this);
    this.setupMenuBackground();
  };

  //==============================
  // * setup Menu Background
  //==============================
  Game_System.prototype.setupMenuBackground = function () {
    this._menuBackgroundData = {};
    this._menuBackgroundData.fileName = String(Moghunter.mback_fileName);
    this._menuBackgroundData.sx = Moghunter.mback_ox;
    this._menuBackgroundData.sy = Moghunter.mback_oy;
    this._menuBackgroundData.needRefresh = false;
  };

  //==============================
  // * Get Par Array
  //==============================
  Game_System.prototype.get_par_array = function (object, value, type) {
    if (value.length === 0) {
      return;
    }
    var s = value.split(",");
    if (type === 0) {
      for (var i = 0; i < s.length; i++) {
        object.push(String(s[i]));
      }
    } else {
      for (var i = 0; i < s.length; i++) {
        object.push(Number(s[i]));
      }
    }
  };

  //=============================================================================
  // ■■■ Window Base ■■■
  //=============================================================================

  //==============================
  // ♦ ALIAS ♦  Initialize
  //==============================
  const _mog_menuBack_wbase_initialize = Window_Base.prototype.initialize;
  Window_Base.prototype.initialize = function (rect) {
    _mog_menuBack_wbase_initialize.call(this, rect);
    if (this.needUpdateBackOpacity()) {
      this.updateBackgroundOpacity();
    }
  };

  //==============================
  // ♦ ALIAS ♦  Update
  //==============================
  const _alias_mog_mback_wbase_update = Window_Base.prototype.update;
  Window_Base.prototype.update = function () {
    _alias_mog_mback_wbase_update.call(this);
    if (this.needUpdateBackOpacity()) {
      this.updateBackgroundOpacity();
    }
  };

  //==============================
  // * Need Update Back Opacity
  //==============================
  Window_Base.prototype.needUpdateBackOpacity = function () {
    if (!SceneManager._mback) {
      return false;
    }
    return true;
  };

  //==============================
  // * Update Background Opacity
  //==============================
  Window_Base.prototype.updateBackgroundOpacity = function () {
    this.opacity = Moghunter.mback_opacity;
  };

  //=============================================================================
  // ■■■ Scene MenuBase ■■■
  //=============================================================================

  //==============================
  // * Skip Mbackground
  //==============================
  Scene_MenuBase.prototype.needSkipBackgroundScene = function () {
    if (!SceneManager._scene) {
      return false;
    }
    this._mb_skip_scenes = [];
    $gameSystem.get_par_array(
      this._mb_skip_scenes,
      Moghunter.mback_skipscenes,
      0
    );
    for (var i = 0; i < this._mb_skip_scenes.length; i++) {
      if (this._mb_skip_scenes[i] === SceneManager._scene.constructor.name) {
        return true;
      }
    }
    return false;
  };

  //==============================
  // ♦ ALIAS ♦  Terminate
  //==============================
  const _alias_mog_mback_scmb_terminate = Scene_MenuBase.prototype.terminate;
  Scene_MenuBase.prototype.terminate = function () {
    _alias_mog_mback_scmb_terminate.call(this);
    SceneManager._mback = false;
  };

  //==============================
  // ♦♦♦ ALIAS ♦♦♦  createBackground
  //==============================
  const _mog_menuBack_scnMenuBase_createBackground =
    Scene_MenuBase.prototype.createBackground;
  Scene_MenuBase.prototype.createBackground = function () {
    SceneManager._mback = false;
    if (!this.needSkipBackgroundScene()) {
      this.createBackground2();
      return;
    }
    _mog_menuBack_scnMenuBase_createBackground.call(this);
  };

  //==============================
  // ♦♦♦ ALIAS ♦♦♦  createBackground
  //==============================
  Scene_MenuBase.prototype.createBackground2 = function () {
    SceneManager._mback = true;
    this._backgroundSprite = new TilingSprite();
    this._backgroundSprite.move(0, 0, Graphics.width, Graphics.height);
    this.refreshBackgroundBitmap();
    this.addChild(this._backgroundSprite);
    if (this.needResizeBackground()) {
      this.resizeBackground(true);
    }
  };

  //==============================
  // * refresh Background Bitmap
  //==============================
  Scene_MenuBase.prototype.refreshBackgroundBitmap = function () {
    this._backgroundSpriteName = $gameSystem
      ? $gameSystem._menuBackgroundData.fileName
      : "";
    this._backgroundSprite.bitmap = SceneManager.backgroundMenuBitmap();
    this._backgroundSprite.visible = false;
    this._backgroundSpriteResize = true;
  };

  //==============================
  // * need Resize Background
  //==============================
  Scene_MenuBase.prototype.needResizeBackground = function () {
    if (!this._backgroundSprite) {
      return false;
    }
    if (!this._backgroundSpriteResize) {
      return false;
    }
    if (!this._backgroundSprite.bitmap.isReady()) {
      return false;
    }
    return true;
  };

  //==============================
  // * resize Background
  //==============================
  Scene_MenuBase.prototype.resizeBackground = function () {
    this._backgroundSpriteResize = false;
    this._backgroundSprite.visible = true;
    this._backgroundSprite.scale.x =
      Graphics.width / this._backgroundSprite.bitmap.width;
    this._backgroundSprite.scale.y =
      Graphics.height / this._backgroundSprite.bitmap.height;
    this._backgroundSprite.move(
      0,
      0,
      this._backgroundSprite.bitmap.width,
      this._backgroundSprite.bitmap.height
    );
  };

  //==============================
  // * update Menu Background
  //==============================
  Scene_MenuBase.prototype.updateMenuBackground = function () {
    this._backgroundSprite.origin.x += $gameSystem._menuBackgroundData.sx;
    this._backgroundSprite.origin.y += $gameSystem._menuBackgroundData.sy;
    if (this.needResizeBackground()) {
      this.resizeBackground();
    }
    if (this.needRefreshBackground()) {
      SceneManager.setMenuBackgroundBitmap(false);
      this.refreshBackgroundBitmap();
    }
  };

  //==============================
  // * needRefreshBackground
  //==============================
  Scene_MenuBase.prototype.needRefreshBackground = function () {
    if (!$gameSystem) {
      return false;
    }
    if (
      this._backgroundSpriteName != $gameSystem._menuBackgroundData.fileName
    ) {
      return true;
    }
    return false;
  };

  //==============================
  // ♦ ALIAS ♦  Update
  //==============================
  const _mog_mback_scbase_update = Scene_MenuBase.prototype.update;
  Scene_MenuBase.prototype.update = function () {
    _mog_mback_scbase_update.call(this);
    if (this._backgroundSprite) {
      this.updateMenuBackground();
    }
  };

  //=============================================================================
  // ■■■ Scene Map ■■■
  //=============================================================================

  //==============================
  // ♦ ALIAS ♦  Terminate
  //==============================
  const _mog_menuBack_scnMap_terminate = Scene_Map.prototype.terminate;
  Scene_Map.prototype.terminate = function () {
    _mog_menuBack_scnMap_terminate.call(this);
    SceneManager.setMenuBackgroundBitmap(false);
  };

  //==============================
  // ♦ ALIAS ♦  call Menu
  //==============================
  const _mog_menuBack_scnMap_callMenu = Scene_Map.prototype.callMenu;
  Scene_Map.prototype.callMenu = function () {
    _mog_menuBack_scnMap_callMenu.call(this);
    SceneManager.setMenuBackgroundBitmap(false);
  };

  //=============================================================================
  // ■■■ Scene Manager ■■■
  //=============================================================================

  //==============================
  // ♦ ALIAS ♦  initialize
  //==============================
  const _mog_menuBack_scnMngr_initialize = SceneManager.initialize;
  SceneManager.initialize = function () {
    _mog_menuBack_scnMngr_initialize.call(this);
    this.setMenuBackgroundBitmap(false);
  };

  //==============================
  // * backgroundName
  //==============================
  SceneManager.backgroundName = function () {
    if ($gameSystem) {
      return String($gameSystem._menuBackgroundData.fileName);
    }
    return String(Moghunter.mback_fileName);
  };

  //==============================
  // * setMenuBackgroundBitmap
  //==============================
  SceneManager.setMenuBackgroundBitmap = function (name, destroy) {
    if (this._backgroundMenuBitmap && destroy) {
      this._backgroundMenuBitmap.destroy();
    }
    this._backgroundMenuBitmap = ImageManager.loadMenus(this.backgroundName());
  };

  //==============================
  // * backgroundMenuBitmap
  //==============================
  SceneManager.backgroundMenuBitmap = function () {
    return this._backgroundMenuBitmap;
  };
})();