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