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
|
/*
* Copyright 2007-2008 Thomas Gallinari <tg8187@yahoo.fr>
* Copyright 2007-2008 Pierre-Benoit Besse <besse.pb@gmail.com>
*
* This program 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 (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ghostitem.h"
#include "game.h"
GhostItem::GhostItem(Ghost *p_model) : CharacterItem(p_model)
{
connect(p_model, &Ghost::stateChanged, this, &GhostItem::updateState);
// Calculations for the duration of blinking stuff
int blinkTimerDuration = (int)(500 * Game::s_durationRatio);
int startBlinkingTimerDuration = (int)(Game::s_preyStateDuration * Game::s_durationRatio - 5 * blinkTimerDuration);
// Define the timer which tells the ghosts to start blinking when about to leave prey state
m_startBlinkingTimer = new QTimer(this);
m_startBlinkingTimer->setInterval(startBlinkingTimerDuration);
m_startBlinkingTimer->setSingleShot(true);
connect(m_startBlinkingTimer, &QTimer::timeout, this, &GhostItem::startBlinking);
// Define the timer which sets the blinking frequency
m_blinkTimer = new QTimer(this);
m_blinkTimer->setInterval(blinkTimerDuration);
connect(m_blinkTimer, &QTimer::timeout, this, &GhostItem::blink);
}
GhostItem::~GhostItem()
{
delete m_startBlinkingTimer;
}
void GhostItem::updateBlinkTimersDuration()
{
// Set the timers duration depending on the prey state duration
int blinkTimerDuration = (int)((Game::s_preyStateDuration * Game::s_durationRatio) / 20);
int startBlinkingTimerDuration = (int)(blinkTimerDuration * 15);
m_blinkTimer->setInterval(blinkTimerDuration);
m_startBlinkingTimer->setInterval(startBlinkingTimerDuration);
}
void GhostItem::update(qreal p_x, qreal p_y)
{
// Compute the top-right coordinates of the item
qreal x = p_x - boundingRect().width() / 2;
qreal y = p_y - boundingRect().height() / 2;
// Updates the view coordinates
setPos(x, y);
}
void GhostItem::updateState()
{
// Stop timers
if (m_startBlinkingTimer->isActive()) {
m_startBlinkingTimer->stop();
}
if (m_blinkTimer->isActive()) {
m_blinkTimer->stop();
}
switch (((Ghost *)getModel())->getState()) {
case Ghost::PREY:
updateBlinkTimersDuration();
setElementId(QStringLiteral("scaredghost"));
m_startBlinkingTimer->start();
// The ghosts are now weaker than the kapman, so they are under him
setZValue(1);
break;
case Ghost::HUNTER:
setElementId(((Ghost *)getModel())->getImageId());
// The ghosts are stronger than the kapman, they are above him
setZValue(3);
break;
case Ghost::EATEN:
setElementId(QStringLiteral("ghosteye"));
// The ghosts are now weaker than the kapman, so they are under him
setZValue(1);
break;
}
}
void GhostItem::blink()
{
CharacterItem::blink();
if (m_nbBlinks % 2 == 0) {
setElementId(QStringLiteral("scaredghost"));
} else {
setElementId(QStringLiteral("whitescaredghost"));
}
}
|
