Subversion Repositories QTron

Rev

Rev 8 | Rev 10 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 muzer 1
#include "bike.h"
2
 
3
Bike::Bike(QTcpSocket *sock, int i)
4
{
9 muzer 5
    socket = sock;
6
    id = i;
1 muzer 7
 
9 muzer 8
    connect(socket, SIGNAL(readyRead()), this, SLOT(readyRead()));
9
    connect(socket, SIGNAL(disconnected()), this, SLOT(disconnected()));
1 muzer 10
 
9 muzer 11
    isDisconnected = false;
1 muzer 12
 
9 muzer 13
    x = rand() % 800;
14
    y = rand() % 600;
15
    linePoints.append(QPoint(x, y));
1 muzer 16
 
9 muzer 17
    velocity = 1;
18
    angle = 0;
19
    name = "";
20
    show = false;
21
    isReady = false;
22
    hadGo = false;
23
    dead = false;
24
    collided = false;
1 muzer 25
 
9 muzer 26
    colour.setBlue(0);
27
    colour.setRed(0);
28
    colour.setGreen(0);
1 muzer 29
 
9 muzer 30
    if (!socket->waitForReadyRead(2000))
31
    {
32
        socket->disconnectFromHost();
33
        show = false;
34
        isReady = true;
35
        hadGo = false;
36
    }
1 muzer 37
}
38
 
39
void Bike::draw(QPainter *painter)
40
{
9 muzer 41
    if (show)
42
    {
43
        painter->setPen(colour);
44
        painter->setFont(QFont("sans", 12));
1 muzer 45
 
9 muzer 46
        for (int i = 0; i < linePoints.count(); i++)
47
        {
48
            QPoint point1;
49
            QPoint point2;
50
            if (i == 0)
51
            {
52
                point1 = linePoints[0];
53
            }
54
            else
55
            {
56
                point1 = linePoints[i - 1];
57
            }
1 muzer 58
 
9 muzer 59
            point2 = linePoints[i];
1 muzer 60
 
9 muzer 61
            painter->drawLine(point1, point2);
62
        }
1 muzer 63
 
9 muzer 64
        if (!collided)
65
        {
66
            collided = hasCollided();
8 tom 67
 
9 muzer 68
            if (angle == 0)
69
            {
70
                y -= velocity;
71
            }
72
            else if (angle == 90)
73
            {
74
                x += velocity;
75
            }
76
            else if (angle == 180)
77
            {
78
                y += velocity;
79
            }
80
            else if (angle == 270)
81
            {
82
                x -= velocity;
83
            }
84
        }
85
        else
86
        {
87
            linePoints.clear();
88
        }
1 muzer 89
 
9 muzer 90
        if (angle == 0 || angle == 180)
91
        {
92
            painter->fillRect(x - 5, y - 15, 10, 30, colour);
93
        }
94
        else
95
        {
96
            painter->fillRect(x - 15, y - 5, 30, 10, colour);
97
        }
1 muzer 98
 
9 muzer 99
        painter->drawText(x, y - 20, name);
100
    }
1 muzer 101
}
102
 
103
void Bike::run(QList<Bike *> bikes)
104
{
9 muzer 105
    for (int i = 0; i < bikes.count(); i++)
106
    {
107
        Bike *bike = bikes[i];
108
        if (bike->isReady && bike->show)
109
        {
110
            if (bike->dead)
111
            {
112
                socket->write("DEAD ");
113
                socket->write(bike->name.toAscii());
114
                socket->write("\n");
115
            }
116
            else
117
            {
118
                socket->write("BIKE ");
119
                socket->write(bike->name.toAscii());
120
                socket->write(" ");
121
                socket->write(QString::number(bike->x).toAscii());
122
                socket->write(" ");
123
                socket->write(QString::number(bike->y).toAscii());
124
                socket->write(" ");
125
                socket->write(QString::number(bike->colour.red()).toAscii());
126
                socket->write(" ");
127
                socket->write(QString::number(bike->colour.green()).toAscii());
128
                socket->write(" ");
129
                socket->write(QString::number(bike->colour.blue()).toAscii());
130
                socket->write("\n");
131
            }
132
        }
133
    }
1 muzer 134
 
9 muzer 135
    linePoints.append(QPoint(x, y));
4 tom 136
 
9 muzer 137
    if (dead)
138
    {
139
        show = false;
140
        isReady = true;
141
        hadGo = false;
142
        dead = false;
143
    }
1 muzer 144
 
9 muzer 145
    if (!dead)
146
    {
147
        socket->write("G\n");
148
        socket->flush();
1 muzer 149
 
9 muzer 150
        hadGo = false;
151
        if (!socket->waitForReadyRead(2000))
152
        {
153
            socket->disconnectFromHost();
154
            dead = true;
155
        }
156
        if (!hadGo)
157
        {
158
            socket->disconnectFromHost();
159
            dead = true;
160
        }
161
    }
162
    hasHadGo = true;
1 muzer 163
}
164
 
9 muzer 165
int sign(float x){
166
    if(x > 0){
167
        return 1;
168
    }
169
    if(x < 0){
170
        return -1;
171
    }
172
    return 0;
173
}
174
 
8 tom 175
bool Bike::hasCollided()
176
{
9 muzer 177
    // Do collision detection here
178
    // use linePoints
179
    int i = linePoints.count() - 1;
180
    if(linePoints[i-1].x() < 0 || linePoints[i-1].x() > 800 || linePoints[i-1].y() < 0 || linePoints[i-1].y() > 600)
181
        return true;
182
    if(linePoints[i].x() < 0 || linePoints[i].x() > 800 || linePoints[i].y() < 0 || linePoints[i].y() > 600)
183
        return true;
184
    for(int j = 0; j < linePoints.count() - 2; j++)
185
    {
186
        if(!(linePoints[j].x == linePoints[j+1].x() && linePoints[i].x() == linePoints[i-1].x()) && !(linePoints[j].y() == linePoints[j+1].y() && linePoints[i].y == linePoints[i-1].y()))
187
        {
188
            // If not parallel
189
            if(linePoints[j].x() == linePoints[j+1].x())
190
            {
191
                // x equal
192
                if(linePoints[i-1].x() > linePoints[j].x() && linePoints[i].x() < linePoints[j].x() || linePoints[i-1].x() < linePoints[j].x() && linePoints[i].x() > linePoints[j].x()){
193
                    if((sign(linePoints[i-1].y() - linePoints[j].y()) != sign(linePoints[i-1].y() - linePoints[j+1].y())))
194
                        return true;
195
                }
196
            }
197
            else if(linePoints[j].y() == linePoints[j+1].y())
198
            {
199
                if(linePoints[i-1].y() > linePoints[j].y() && linePoints[i].y() < linePoints[j].y() || linePoints[i-1].y() < linePoints[j].y() && linePoints[i].y() > linePoints[j].y())
200
                {
201
                    if((sign(linePoints[i-1].x() - linePoints[j].x()) != sign(linePoints[i-1].x() - linePoints[j+1].x())))
202
                        return true;
203
                }
204
            }
205
        }
206
    }
207
    return false;
8 tom 208
}
209
 
1 muzer 210
void Bike::reset()
211
{
9 muzer 212
    x = rand() % 800;
213
    y = rand() % 600;
214
    linePoints.clear();
1 muzer 215
 
9 muzer 216
    linePoints.append(QPoint(x, y));
1 muzer 217
 
9 muzer 218
    velocity = 1;
219
    angle = 0;
220
    show = true;
221
    isReady = true;
222
    hadGo = false;
223
    dead = false;
224
    collided = false;
1 muzer 225
 
9 muzer 226
    socket->write("RESET\n");
1 muzer 227
}
228
 
229
void Bike::readyRead()
230
{
9 muzer 231
    while (socket->canReadLine())
232
    {
233
        QByteArray data = socket->readLine();
234
        QString line = data.trimmed();
1 muzer 235
 
9 muzer 236
        if (line == "L")
237
        {
238
            angle -= 90;
1 muzer 239
 
9 muzer 240
            if (angle >= 360)
241
            {
242
                angle -= 360;
243
            }
244
            if (angle < 0)
245
            {
246
                angle += 360;
247
            }
248
            hadGo = true;
249
        }
250
        else if (line == "R")
251
        {
252
            angle += 90;
1 muzer 253
 
9 muzer 254
            if (angle >= 360)
255
            {
256
                angle -= 360;
257
            }
258
            if (angle < 0)
259
            {
260
                angle += 360;
261
            }
262
            hadGo = true;
263
        }
264
        else if (line == "A")
265
        {
266
            velocity += 0.1;
267
            hadGo = true;
268
        }
269
        else if (line == "D")
270
        {
271
            velocity -= 0.2;
272
            hadGo = true;
273
        }
274
        else if (line == "N")
275
        {
276
            hadGo = true;
277
        }
278
        else if (line.startsWith("NAME "))
279
        {
280
            name = line.remove(0, 5);
281
            isReady = true;
282
            show = true;
283
        }
284
        else if (line.startsWith("COLOUR "))
285
        {
286
            QStringList list = line.split(" ");
287
            if (list.count() >= 2)
288
            {
289
                colour.setRed(list[1].toInt());
290
            }
291
            if (list.count() >= 3)
292
            {
293
                colour.setGreen(list[2].toInt());
294
            }
295
            if (list.count() >= 4)
296
            {
297
                colour.setBlue(list[3].toInt());
298
            }
299
        }
300
    }
1 muzer 301
}
302
 
303
void Bike::disconnected()
304
{
9 muzer 305
    dead = true;
306
    isDisconnected = true;
307
    cout << ":: Disconnected: " << socket->peerAddress().toString().toStdString() << endl;
1 muzer 308
}