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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana World is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "buy.h"
#include <guichan/widgets/label.hpp>
#include "button.h"
#include "scrollarea.h"
#include "shop.h"
#include "slider.h"
#include "../npc.h"
#include "../net/gameserver/player.h"
#include "../resources/itemdb.h"
#include "../utils/tostring.h"
BuyDialog::BuyDialog():
Window("Buy"),
mMoney(0), mAmountItems(0), mMaxItems(0)
{
mShopItems = new ShopItems;
mShopItemList = new ShopListBox(mShopItems, mShopItems);
mScrollArea = new ScrollArea(mShopItemList);
mSlider = new Slider(1.0);
mQuantityLabel = new gcn::Label("0");
mMoneyLabel = new gcn::Label("Price : 0 GP / 0 GP");
mIncreaseButton = new Button("+", "+", this);
mDecreaseButton = new Button("-", "-", this);
mBuyButton = new Button("Buy", "buy", this);
mQuitButton = new Button("Quit", "quit", this);
mItemDescLabel = new gcn::Label("Description:");
mItemEffectLabel = new gcn::Label("Effect:");
setContentSize(260, 210);
mScrollArea->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_NEVER);
mScrollArea->setDimension(gcn::Rectangle(5, 5, 250, 110));
mShopItemList->setDimension(gcn::Rectangle(5, 5, 238, 110));
mSlider->setDimension(gcn::Rectangle(5, 120, 200, 10));
mSlider->setEnabled(false);
mQuantityLabel->setPosition(215, 120);
mMoneyLabel->setPosition(5, 130);
mIncreaseButton->setPosition(40, 186);
mIncreaseButton->setSize(20, 20);
mIncreaseButton->setEnabled(false);
mDecreaseButton->setPosition(10, 186);
mDecreaseButton->setSize(20, 20);
mDecreaseButton->setEnabled(false);
mBuyButton->setPosition(180, 186);
mBuyButton->setEnabled(false);
mQuitButton->setPosition(212, 186);
mItemEffectLabel->setDimension(gcn::Rectangle(5, 150, 240, 14));
mItemDescLabel->setDimension(gcn::Rectangle(5, 169, 240, 14));
mShopItemList->setActionEventId("item");
mSlider->setActionEventId("slider");
mShopItemList->addSelectionListener(this);
mSlider->addActionListener(this);
add(mScrollArea);
add(mSlider);
add(mQuantityLabel);
add(mBuyButton);
add(mQuitButton);
add(mIncreaseButton);
add(mDecreaseButton);
add(mMoneyLabel);
add(mItemDescLabel);
add(mItemEffectLabel);
setLocationRelativeTo(getParent());
}
BuyDialog::~BuyDialog()
{
delete mShopItems;
}
void BuyDialog::setMoney(int amount)
{
mMoney = amount;
mShopItemList->setPlayersMoney(amount);
updateButtonsAndLabels();
}
void BuyDialog::reset()
{
mShopItems->clear();
mShopItemList->adjustSize();
mMoney = 0;
mSlider->setValue(0.0);
// Reset Previous Selected Items to prevent failing asserts
mShopItemList->setSelected(-1);
updateButtonsAndLabels();
}
void BuyDialog::addItem(int id, int amount, int price)
{
mShopItems->addItem(id, amount, price);
mShopItemList->adjustSize();
}
void BuyDialog::action(const gcn::ActionEvent &event)
{
int selectedItem = mShopItemList->getSelected();
if (event.getId() == "quit")
{
setVisible(false);
current_npc = 0;
}
// The following actions require a valid selection
if (selectedItem < 0 ||
selectedItem >= (int) mShopItems->getNumberOfElements())
{
return;
}
if (event.getId() == "slider")
{
mAmountItems = (int)(mSlider->getValue() * mMaxItems);
updateButtonsAndLabels();
}
else if (event.getId() == "+" && mAmountItems < mMaxItems)
{
mAmountItems++;
mSlider->setValue((double) mAmountItems / (double) mMaxItems);
updateButtonsAndLabels();
}
else if (event.getId() == "-" && mAmountItems > 0)
{
mAmountItems--;
mSlider->setValue((double) mAmountItems / (double) mMaxItems);
updateButtonsAndLabels();
}
// TODO: Actually we'd have a bug elsewhere if this check for the number
// of items to be bought ever fails, Bertram removed the assertions, is
// there a better way to ensure this fails in an _obivous_ way in C++?
else if (event.getId() == "buy" && mAmountItems > 0 &&
mAmountItems <= mMaxItems)
{
Net::GameServer::Player::tradeWithNPC
(mShopItems->at(selectedItem).id, mAmountItems);
// Update money and adjust the max number of items that can be bought
mMoney -= mAmountItems * mShopItems->at(selectedItem).price;
mMaxItems -= mAmountItems;
// Reset selection
mAmountItems = 0;
mSlider->setValue(0.0);
updateButtonsAndLabels();
}
}
void BuyDialog::selectionChanged(const SelectionEvent &event)
{
// Reset amount of items and update labels
mAmountItems = 0;
mSlider->setValue(0.0);
updateButtonsAndLabels();
}
void
BuyDialog::updateButtonsAndLabels()
{
int selectedItem = mShopItemList->getSelected();
int price = 0;
if (selectedItem > -1)
{
const ItemInfo &info = ItemDB::get(mShopItems->at(selectedItem).id);
mItemDescLabel->setCaption("Description: " + info.getDescription());
mItemEffectLabel->setCaption("Effect: " + info.getEffect());
// Calculate how many the player can afford
mMaxItems = mMoney / mShopItems->at(selectedItem).price;
if (mAmountItems > mMaxItems)
{
mAmountItems = mMaxItems;
}
// Calculate price of pending purchase
price = mAmountItems * mShopItems->at(selectedItem).price;
}
else
{
mItemDescLabel->setCaption("Description:");
mItemEffectLabel->setCaption("Effect:");
mMaxItems = 0;
mAmountItems = 0;
}
// Enable or disable buttons and slider
mIncreaseButton->setEnabled(mAmountItems < mMaxItems);
mDecreaseButton->setEnabled(mAmountItems > 0);
mBuyButton->setEnabled(mAmountItems > 0);
mSlider->setEnabled(mMaxItems > 0);
// Update quantity and money labels
mQuantityLabel->setCaption(toString(mAmountItems));
mQuantityLabel->adjustSize();
mMoneyLabel->setCaption("Price: " + toString(price) + " GP / "
+ toString(mMoney - price) + " GP" );
mMoneyLabel->adjustSize();
}
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