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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef BOAT_P_H
#define BOAT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
//Own
#include "bomb.h"
#include "graphicsscene.h"
// Qt
#include <QtWidgets/QKeyEventTransition>
static const int MAX_BOMB = 5;
//These transtion test if we have to stop the boat (i.e current speed is 1)
class KeyStopTransition : public QKeyEventTransition
{
public:
KeyStopTransition(Boat *b, QEvent::Type t, int k)
: QKeyEventTransition(b, t, k), boat(b)
{
}
protected:
virtual bool eventTest(QEvent *event) Q_DECL_OVERRIDE
{
if (!QKeyEventTransition::eventTest(event))
return false;
return (boat->currentSpeed() == 1);
}
private:
Boat * boat;
};
//These transtion test if we have to move the boat (i.e current speed was 0 or another value)
class KeyMoveTransition : public QKeyEventTransition
{
public:
KeyMoveTransition(Boat *b, QEvent::Type t, int k)
: QKeyEventTransition(b, t, k), boat(b), key(k)
{
}
protected:
virtual bool eventTest(QEvent *event) Q_DECL_OVERRIDE
{
if (!QKeyEventTransition::eventTest(event))
return false;
return (boat->currentSpeed() >= 0);
}
void onTransition(QEvent *) Q_DECL_OVERRIDE
{
//We decrease the speed if needed
if (key == Qt::Key_Left && boat->currentDirection() == Boat::Right)
boat->setCurrentSpeed(boat->currentSpeed() - 1);
else if (key == Qt::Key_Right && boat->currentDirection() == Boat::Left)
boat->setCurrentSpeed(boat->currentSpeed() - 1);
else if (boat->currentSpeed() < 3)
boat->setCurrentSpeed(boat->currentSpeed() + 1);
boat->updateBoatMovement();
}
private:
Boat * boat;
int key;
};
//This transition trigger the bombs launch
class KeyLaunchTransition : public QKeyEventTransition
{
public:
KeyLaunchTransition(Boat *boat, QEvent::Type type, int key)
: QKeyEventTransition(boat, type, key), boat(boat)
{
}
protected:
virtual bool eventTest(QEvent *event) Q_DECL_OVERRIDE
{
if (!QKeyEventTransition::eventTest(event))
return false;
//We have enough bomb?
return (boat->bombsLaunched() < MAX_BOMB);
}
private:
Boat * boat;
};
//This state is describing when the boat is moving right
class MoveStateRight : public QState
{
public:
explicit MoveStateRight(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
{
}
protected:
void onEntry(QEvent *) Q_DECL_OVERRIDE
{
boat->setCurrentDirection(Boat::Right);
boat->updateBoatMovement();
}
private:
Boat * boat;
};
//This state is describing when the boat is moving left
class MoveStateLeft : public QState
{
public:
explicit MoveStateLeft(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
{
}
protected:
void onEntry(QEvent *) Q_DECL_OVERRIDE
{
boat->setCurrentDirection(Boat::Left);
boat->updateBoatMovement();
}
private:
Boat * boat;
};
//This state is describing when the boat is in a stand by position
class StopState : public QState
{
public:
explicit StopState(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
{
}
protected:
void onEntry(QEvent *) Q_DECL_OVERRIDE
{
boat->setCurrentSpeed(0);
boat->setCurrentDirection(Boat::None);
boat->updateBoatMovement();
}
private:
Boat * boat;
};
//This state is describing the launch of the torpedo on the right
class LaunchStateRight : public QState
{
public:
explicit LaunchStateRight(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
{
}
protected:
void onEntry(QEvent *) Q_DECL_OVERRIDE
{
Bomb *b = new Bomb();
b->setPos(boat->x()+boat->size().width(),boat->y());
GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
scene->addItem(b);
b->launch(Bomb::Right);
boat->setBombsLaunched(boat->bombsLaunched() + 1);
}
private:
Boat * boat;
};
//This state is describing the launch of the torpedo on the left
class LaunchStateLeft : public QState
{
public:
explicit LaunchStateLeft(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
{
}
protected:
void onEntry(QEvent *) Q_DECL_OVERRIDE
{
Bomb *b = new Bomb();
b->setPos(boat->x() - b->size().width(), boat->y());
GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
scene->addItem(b);
b->launch(Bomb::Left);
boat->setBombsLaunched(boat->bombsLaunched() + 1);
}
private:
Boat * boat;
};
#endif // BOAT_P_H
|
