1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
/*
* 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 "../resources/itemdb.h"
#include "../net/messageout.h"
#include "../net/protocol.h"
#include "../utils/tostring.h"
BuyDialog::BuyDialog(Network *network):
Window("Buy"), mNetwork(network),
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);
// Reset Previous Selected Items to prevent failing asserts
mShopItemList->setSelected(-1);
updateButtonsAndLabels();
}
void BuyDialog::addItem(short id, int price)
{
mShopItems->addItem(id, price);
mShopItemList->adjustSize();
}
void BuyDialog::action(const gcn::ActionEvent &event)
{
int selectedItem = mShopItemList->getSelected();
if (event.getId() == "quit")
{
setVisible(false);
current_npc = 0;
return;
}
// The following actions require a valid selection
if (selectedItem < 0 ||
selectedItem >= (int) mShopItems->getNumberOfElements())
{
return;
}
if (event.getId() == "slider")
{
mAmountItems = (int) mSlider->getValue();
updateButtonsAndLabels();
}
else if (event.getId() == "+" && mAmountItems < mMaxItems)
{
mAmountItems++;
mSlider->setValue(mAmountItems);
updateButtonsAndLabels();
}
else if (event.getId() == "-" && mAmountItems > 1)
{
mAmountItems--;
mSlider->setValue(mAmountItems);
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)
{
MessageOut outMsg(mNetwork);
outMsg.writeInt16(CMSG_NPC_BUY_REQUEST);
outMsg.writeInt16(8);
outMsg.writeInt16(mAmountItems);
outMsg.writeInt16(mShopItems->at(selectedItem).id);
// Update money and adjust the max number of items that can be bought
mMoney -= mAmountItems * mShopItems->at(selectedItem).price;
mMaxItems -= mAmountItems;
// Reset selection
mAmountItems = 1;
mSlider->setValue(1);
mSlider->gcn::Slider::setScale(1, mMaxItems);
updateButtonsAndLabels();
}
}
void BuyDialog::selectionChanged(const SelectionEvent &event)
{
// Reset amount of items and update labels
mAmountItems = 1;
mSlider->setValue(1);
updateButtonsAndLabels();
mSlider->gcn::Slider::setScale(1, mMaxItems);
}
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 > 1);
mBuyButton->setEnabled(mAmountItems > 0);
mSlider->setEnabled(mMaxItems > 1);
// Update quantity and money labels
mQuantityLabel->setCaption(
toString(mAmountItems) + " / " + toString(mMaxItems));
mQuantityLabel->adjustSize();
mMoneyLabel->setCaption("Price: " + toString(price) + " GP / "
+ toString(mMoney - price) + " GP" );
mMoneyLabel->adjustSize();
}
|
