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1 muzer 1 
#include "bike.h"
2 
 
3 
Bike::Bike(QTcpSocket *sock, int i)
4 
{
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	socket = sock;
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	id = i;
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	connect(socket, SIGNAL(readyRead()), this, SLOT(readyRead()));
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	connect(socket, SIGNAL(disconnected()), this, SLOT(disconnected()));
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	isDisconnected = false;
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	x = rand() % 800;
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	y = rand() % 600;
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	linePoints.append(QPoint(x, y));
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	linePoints.append(QPoint(x, y));
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	velocity = 1;
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	angle = 0;
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	name = "";
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	show = false;
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	isReady = false;
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	hadGo = false;
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	dead = false;
25 
 
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	colour.setBlue(0);
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	colour.setRed(0);
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	colour.setGreen(0);
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30 
	if (!socket->waitForReadyRead(2000))
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	{
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		socket->disconnectFromHost();
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		show = false;
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		isReady = true;
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		hadGo = false;
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	}
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}
38 
 
39 
void Bike::draw(QPainter *painter)
40 
{
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	if (show)
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	{
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		painter->setPen(colour);
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		painter->setFont(QFont("sans", 12));
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		for (int i = 0; i < linePoints.count(); i++)
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		{
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			QPoint point1;
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			QPoint point2;
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			if (i == 0)
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			{
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				point1 = linePoints[0];
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			}
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			else
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			{
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				point1 = linePoints[i - 1];
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			}
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			point2 = linePoints[i];
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			painter->drawLine(point1, point2);
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		}
63 
 
64 
		if (angle == 0)
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		{
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			y -= velocity;
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		}
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		else if (angle == 90)
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		{
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			x += velocity;
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		}
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		else if (angle == 180)
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		{
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			y += velocity;
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		}
76 
		else if (angle == 270)
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		{
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			x -= velocity;
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		}
80 
 
81 
		if (angle == 0 || angle == 180)
82 
		{
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			painter->fillRect(x - 5, y - 15, 10, 30, colour);
84 
		}
85 
		else
86 
		{
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			painter->fillRect(x - 15, y - 5, 30, 10, colour);
88 
		}
89 
 
90 
		painter->drawText(x, y - 20, name);
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	}
92 
}
93 
 
94 
void Bike::run(QList<Bike *> bikes)
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{
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	for (int i = 0; i < bikes.count(); i++)
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	{
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		Bike *bike = bikes[i];
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		if (bike->isReady && bike->show)
100 
		{
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			if (bike->dead)
102 
			{
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				socket->write("DEAD ");
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				socket->write(bike->name.toAscii());
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				socket->write("\n");
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			}
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			else
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			{
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				socket->write("BIKE ");
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				socket->write(bike->name.toAscii());
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				socket->write(" ");
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				socket->write(QString::number(bike->x).toAscii());
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				socket->write(" ");
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				socket->write(QString::number(bike->y).toAscii());
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				socket->write("\n");
116 
			}
117 
		}
118 
	}
119 
 
120 
	if (dead)
121 
	{
122 
		show = false;
123 
		isReady = true;
124 
		hadGo = false;
125 
		dead = false;
126 
	}
127 
 
128 
	if (!dead)
129 
	{
130 
		socket->write("G\n");
131 
		socket->flush();
132 
 
133 
		hadGo = false;
134 
                if (!socket->waitForReadyRead(2000))
135 
		{
136 
			socket->disconnectFromHost();
137 
			dead = true;
138 
		}
139 
		if (!hadGo)
140 
		{
141 
			socket->disconnectFromHost();
142 
			dead = true;
143 
		}
144 
	}
145 
        hasHadGo = true;
146 
}
147 
 
148 
void Bike::reset()
149 
{
150 
	x = rand() % 800;
151 
	y = rand() % 600;
152 
	linePoints.clear();
153 
 
154 
	linePoints.append(QPoint(x, y));
155 
	linePoints.append(QPoint(x, y));
156 
 
157 
	velocity = 1;
158 
	angle = 0;
159 
	show = true;
160 
	isReady = true;
161 
	hadGo = false;
162 
	dead = false;
163 
 
164 
	socket->write("RESET\n");
165 
}
166 
 
167 
void Bike::readyRead()
168 
{
169 
	while (socket->canReadLine())
170 
	{
171 
		QByteArray data = socket->readLine();
172 
		QString line = data.trimmed();
173 
 
174 
		if (line == "L")
175 
		{
176 
			linePoints.append(QPoint(x, y));
177 
			angle -= 90;
178 
 
179 
			if (angle >= 360)
180 
			{
181 
				angle -= 360;
182 
			}
183 
			if (angle < 0)
184 
			{
185 
				angle += 360;
186 
			}
187 
			hadGo = true;
188 
		}
189 
		else if (line == "R")
190 
		{
191 
			linePoints.append(QPoint(x, y));
192 
			angle += 90;
193 
 
194 
			if (angle >= 360)
195 
			{
196 
				angle -= 360;
197 
			}
198 
			if (angle < 0)
199 
			{
200 
				angle += 360;
201 
			}
202 
			hadGo = true;
203 
		}
204 
		else if (line == "A")
205 
		{
206 
			linePoints[linePoints.size() - 1] = QPoint(x, y);
207 
			velocity += 0.1;
208 
			hadGo = true;
209 
		}
210 
		else if (line == "D")
211 
		{
212 
			linePoints[linePoints.size() - 1] = QPoint(x, y);
213 
			velocity -= 0.2;
214 
			hadGo = true;
215 
		}
216 
		else if (line == "N")
217 
		{
218 
			linePoints[linePoints.size() - 1] = QPoint(x, y);
219 
			hadGo = true;
220 
		}
221 
		else if (line.startsWith("NAME "))
222 
		{
223 
			name = line.remove(0, 5);
224 
			isReady = true;
225 
			show = true;
226 
		}
227 
		else if (line.startsWith("COLOUR "))
228 
		{
229 
			QStringList list = line.split(" ");
230 
			if (list.count() >= 2)
231 
			{
232 
				colour.setRed(list[1].toInt());
233 
			}
234 
			else if (list.count() >= 3)
235 
			{
236 
				colour.setGreen(list[2].toInt());
237 
			}
238 
			else if (list.count() >= 4)
239 
			{
240 
				colour.setBlue(list[3].toInt());
241 
			}
242 
		}
243 
	}
244 
}
245 
 
246 
void Bike::disconnected()
247 
{
248 
	dead = true;
249 
	isDisconnected = true;
250 
	cout << ":: Disconnected: " << socket->peerAddress().toString().toStdString() << endl;
251 
}