Add a logo in the in-game menu?

// LogoOnMenu.js
// Created on 10/1/2018
// Last modified on 10/2/2018 by Yethwhinger

var objYeth = objYeth || {};

/*:
* @plugindesc This plugin is meant to allow the placement
* of a game logo on the main in-game menu.
* @author Yethwhinger
*
* @param logoHeight
* @desc Desired height of the logo on the menu in pixels
* Default = 192
* @default 192
*
* @param logoY
* @desc Desired vertical placement of the logo on the menu in lines
* Default = 0
* @default 0
*
* @help This plugin places a game logo on the main in-game
* menu. The plugin is designed to work with the GALV_BustMenu
* plugin. The logo should be in the img/system folder and should
* be called "GameLogo.png."
*/

objYeth.logoOnMenuParam = PluginManager.parameters('LogoOnMenu');
objYeth.menuLogoHeight = Number(objYeth.logoOnMenuParam['logoHeight']);
objYeth.menuLogoY = Number(objYeth.logoOnMenuParam['logoY']);

//------------------------------
// Changes to Window_MenuStatus
//------------------------------

Window_MenuStatus.prototype.initialize = function (x, y) {
    var width = this.windowWidth();
    var height = this.windowHeight();
    Window_Selectable.prototype.initialize.call(this, x, y, width, height);
    this._formationMode = false;
    this._pendingIndex = -1;
    this.setupLogo();
    this.refresh();
};

Window_MenuStatus.prototype.setupLogo = function () {
    var scaleX, scaleY, minScale;
    var maxWidth = this.contentsWidth();
    var maxHeight = objYeth.menuLogoHeight;
    this._cursorY = 0;
    this._logoParams = {};
    this._logoParams.dy = objYeth.menuLogoY * this.lineHeight();
    this._logoBitmap = ImageManager.loadSystem('GameLogo');
    if (this._logoBitmap) {
        this._logoParams.sw = this._logoBitmap.width;
        this._logoParams.sh = this._logoBitmap.height;
        scaleX = maxWidth / this._logoParams.sw;
        scaleY = maxHeight / this._logoParams.sh;
        minScale = Math.min(scaleX, scaleY);
        this._logoParams.dw = Math.floor(this._logoParams.sw * minScale);
        this._logoParams.dh = Math.floor(this._logoParams.sh * minScale);
        this._logoParams.dx = Math.floor((maxWidth - this._logoParams.dw) / 2);
        this._cursorY = objYeth.menuLogoHeight + this._logoParams.dy + this.standardPadding();
    }
};

Window_MenuStatus.prototype.refresh = function () {
    if (this.contents) {
        this.contents.clear();
        this.drawAllItems();
        this.drawLogo();
    }
};

Window_MenuStatus.prototype.drawLogo = function () {
    var logo = this._logoBitmap;
    var sw, sh, dx, dy, dw, dh;
    if (logo) {
        sw = this._logoParams.sw;
        sh = this._logoParams.sh;
        dx = this._logoParams.dx;
        dy = this._logoParams.dy;
        dw = this._logoParams.dw;
        dh = this._logoParams.dh;
        this.contents.blt(logo, 0, 0, sw, sh, dx, dy, dw, dh);
    }
};

Window_MenuStatus.prototype.actorHeight = function () {
    return this.itemHeight() - objYeth.menuLogoHeight - objYeth.menuLogoY * this.lineHeight() - this.standardPadding();
};

Window_MenuStatus.prototype.actorRect = function (index) {
    var rect = new Rectangle();
    var maxCols = this.maxCols();
    var rowHeight = this.itemHeight();
    rect.width = this.itemWidth();
    rect.height = this.actorHeight();
    rect.x = index % maxCols * (rect.width + this.spacing()) - this._scrollX;
    rect.y = this._cursorY + Math.floor(index / maxCols) * rowHeight - this._scrollY;
    return rect;
};

Window_MenuStatus.prototype.updateCursor = function () {
    if (this._cursorAll) {
        var allRowsHeight = (this.maxRows() - 1) * this.itemHeight() + this.actorHeight();
        this.setCursorRect(0, this._cursorY, this.contents.width, allRowsHeight);
        this.setTopRow(0);
    } else if (this.isCursorVisible()) {
        var rect = this.actorRect(this.index());
        this.setCursorRect(rect.x, rect.y, rect.width, rect.height);
    } else {
        this.setCursorRect(0, 0, 0, 0);
    }
};

Window_MenuStatus.prototype.drawItemBackground = function (index) {
    if (index === this._pendingIndex) {
        var rect = this.actorRect(index);
        var color = this.pendingColor();
        this.changePaintOpacity(false);
        this.contents.fillRect(rect.x, rect.y, rect.width, rect.height, color);
        this.changePaintOpacity(true);
    }
};

Window_MenuStatus.prototype.clearItem = function (index) {
    var rect = this.actorRect(index);
    this.contents.clearRect(rect.x, rect.y, rect.width, rect.height);
};

//------------------------------
// Changes to Scene_Boot
//------------------------------

objYeth.Scene_Boot_loadSystemImagesLogo = Scene_Boot.loadSystemImages || Scene_Boot.prototype.loadSystemImages;
Scene_Boot.loadSystemImages = function () {
    objYeth.Scene_Boot_loadSystemImagesLogo.call(this);
    ImageManager.reserveSystem('GameLogo');
};

Scene_Boot.prototype.loadSystemImages = function () {
    objYeth.Scene_Boot_loadSystemImagesLogo.call(this);
    ImageManager.loadSystem('GameLogo');
};