TK - Sell Shop.js

//=============================================================================
// TK Sell Shop.js
//=============================================================================

/*:
 * @plugindesc Create a store where you can only sell items.
 * @author Takkun
 *
 * @help To call the Shop Sell Scene just use the following command: 
 * SceneManager.push(Scene_SellShop);
 */


//-----------------------------------------------------------------------------
// Window_SellShopCommand
//
// The window for selecting sell on the shop screen.

function Window_SellShopCommand() {
    this.initialize.apply(this, arguments);
}

Window_SellShopCommand.prototype = Object.create(Window_HorzCommand.prototype);
Window_SellShopCommand.prototype.constructor = Window_SellShopCommand;

Window_SellShopCommand.prototype.initialize = function(width, purchaseOnly) {
    this._windowWidth = width;
    Window_HorzCommand.prototype.initialize.call(this, 0, 0);
};

Window_SellShopCommand.prototype.windowWidth = function() {
    return this._windowWidth;
};

Window_SellShopCommand.prototype.maxCols = function() {
    return 2;
};

Window_SellShopCommand.prototype.makeCommandList = function() {
    this.addCommand(TextManager.sell,   'sell');
    this.addCommand(TextManager.cancel, 'cancel');
};
//-----------------------------------------------------------------------------
// //-----------------------------------------------------------------------------
// Scene_SellShop
//
// The scene class of the sell shop screen.

function Scene_SellShop() {
    this.initialize.apply(this, arguments);
}

Scene_SellShop.prototype = Object.create(Scene_MenuBase.prototype);
Scene_SellShop.prototype.constructor = Scene_SellShop;

Scene_SellShop.prototype.initialize = function() {
    Scene_MenuBase.prototype.initialize.call(this);
};

Scene_SellShop.prototype.create = function() {
    Scene_MenuBase.prototype.create.call(this);
    this.createHelpWindow();
    this.createGoldWindow();
    this.createCommandWindow();
    this.createDummyWindow();
    this.createNumberWindow();
    this.createStatusWindow();
    this.createCategoryWindow();
    this.createSellWindow();
};

Scene_SellShop.prototype.createGoldWindow = function() {
    this._goldWindow = new Window_Gold(0, this._helpWindow.height);
    this._goldWindow.x = Graphics.boxWidth - this._goldWindow.width;
    this.addWindow(this._goldWindow);
};

Scene_SellShop.prototype.createCommandWindow = function() {
    this._commandWindow = new Window_SellShopCommand(this._goldWindow.x);
    this._commandWindow.y = this._helpWindow.height;
    this._commandWindow.setHandler('sell',   this.commandSell.bind(this));
    this._commandWindow.setHandler('cancel', this.popScene.bind(this));
    this.addWindow(this._commandWindow);
};

Scene_SellShop.prototype.createDummyWindow = function() {
    var wy = this._commandWindow.y + this._commandWindow.height;
    var wh = Graphics.boxHeight - wy;
    this._dummyWindow = new Window_Base(0, wy, Graphics.boxWidth, wh);
    this.addWindow(this._dummyWindow);
};

Scene_SellShop.prototype.createNumberWindow = function() {
    var wy = this._dummyWindow.y;
    var wh = this._dummyWindow.height;
    this._numberWindow = new Window_ShopNumber(0, wy, wh);
    this._numberWindow.hide();
    this._numberWindow.setHandler('ok',     this.onNumberOk.bind(this));
    this._numberWindow.setHandler('cancel', this.onNumberCancel.bind(this));
    this.addWindow(this._numberWindow);
};

Scene_SellShop.prototype.createStatusWindow = function() {
    var wx = this._numberWindow.width;
    var wy = this._dummyWindow.y;
    var ww = Graphics.boxWidth - wx;
    var wh = this._dummyWindow.height;
    this._statusWindow = new Window_ShopStatus(wx, wy, ww, wh);
    this._statusWindow.hide();
    this.addWindow(this._statusWindow);
};

Scene_SellShop.prototype.createCategoryWindow = function() {
    this._categoryWindow = new Window_ItemCategory();
    this._categoryWindow.setHelpWindow(this._helpWindow);
    this._categoryWindow.y = this._dummyWindow.y;
    this._categoryWindow.hide();
    this._categoryWindow.deactivate();
    this._categoryWindow.setHandler('ok',     this.onCategoryOk.bind(this));
    this._categoryWindow.setHandler('cancel', this.onCategoryCancel.bind(this));
    this.addWindow(this._categoryWindow);
};

Scene_SellShop.prototype.createSellWindow = function() {
    var wy = this._categoryWindow.y + this._categoryWindow.height;
    var wh = Graphics.boxHeight - wy;
    this._sellWindow = new Window_ShopSell(0, wy, Graphics.boxWidth, wh);
    this._sellWindow.setHelpWindow(this._helpWindow);
    this._sellWindow.hide();
    this._sellWindow.setHandler('ok',     this.onSellOk.bind(this));
    this._sellWindow.setHandler('cancel', this.onSellCancel.bind(this));
    this._categoryWindow.setItemWindow(this._sellWindow);
    this.addWindow(this._sellWindow);
};

Scene_SellShop.prototype.activateSellWindow = function() {
    this._categoryWindow.show();
    this._sellWindow.refresh();
    this._sellWindow.show();
    this._sellWindow.activate();
    this._statusWindow.hide();
};

Scene_SellShop.prototype.commandSell = function() {
    this._dummyWindow.hide();
    this._categoryWindow.show();
    this._categoryWindow.activate();
    this._sellWindow.show();
    this._sellWindow.deselect();
    this._sellWindow.refresh();
};

Scene_SellShop.prototype.onCategoryOk = function() {
    this.activateSellWindow();
    this._sellWindow.select(0);
};

Scene_SellShop.prototype.onCategoryCancel = function() {
    this._commandWindow.activate();
    this._dummyWindow.show();
    this._categoryWindow.hide();
    this._sellWindow.hide();
};

Scene_SellShop.prototype.onSellOk = function() {
    this._item = this._sellWindow.item();
    this._categoryWindow.hide();
    this._sellWindow.hide();
    this._numberWindow.setup(this._item, this.maxSell(), this.sellingPrice());
    this._numberWindow.setCurrencyUnit(this.currencyUnit());
    this._numberWindow.show();
    this._numberWindow.activate();
    this._statusWindow.setItem(this._item);
    this._statusWindow.show();
};

Scene_SellShop.prototype.onSellCancel = function() {
    this._sellWindow.deselect();
    this._categoryWindow.activate();
    this._statusWindow.setItem(null);
    this._helpWindow.clear();
};

Scene_SellShop.prototype.onNumberOk = function() {
    SoundManager.playShop();
    switch (this._commandWindow.currentSymbol()) {
    case 'sell':
        this.doSell(this._numberWindow.number());
        break;
    }
    this.endNumberInput();
    this._goldWindow.refresh();
    this._statusWindow.refresh();
};

Scene_SellShop.prototype.onNumberCancel = function() {
    SoundManager.playCancel();
    this.endNumberInput();
};

Scene_SellShop.prototype.doSell = function(number) {
    $gameParty.gainGold(number * this.sellingPrice());
    $gameParty.loseItem(this._item, number);
};

Scene_SellShop.prototype.endNumberInput = function() {
    this._numberWindow.hide();
    switch (this._commandWindow.currentSymbol()) {
    case 'sell':
        this.activateSellWindow();
        break;
    }
};

Scene_SellShop.prototype.maxBuy = function() {
    var max = $gameParty.maxItems(this._item) - $gameParty.numItems(this._item);
    var price = this.buyingPrice();
    if (price > 0) {
        return Math.min(max, Math.floor(this.money() / price));
    } else {
        return max;
    }
};

Scene_SellShop.prototype.maxSell = function() {
    return $gameParty.numItems(this._item);
};

Scene_SellShop.prototype.money = function() {
    return this._goldWindow.value();
};

Scene_SellShop.prototype.currencyUnit = function() {
    return this._goldWindow.currencyUnit();
};

Scene_SellShop.prototype.buyingPrice = function() {
    return this._buyWindow.price(this._item);
};

Scene_SellShop.prototype.sellingPrice = function() {
    return Math.floor(this._item.price / 2);
};