1 | #include "traffic_agent.h" |
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2 | #include <list> |
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3 | |
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4 | class GreenWaveTrafficAgent : public BaseTrafficAgent { |
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5 | protected: |
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6 | double stable_state_loss; |
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7 | double best_offset; |
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8 | |
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9 | RV rv_recieved_exps; |
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10 | vec recieved_exps; |
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11 | |
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12 | list<string> seznam; |
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13 | |
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14 | |
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15 | double car_leaving; //s; how long is 1 car leaving queue |
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16 | |
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17 | bool recieved_exp_request; |
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18 | |
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19 | //counts all expected cars going from each lane |
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20 | void expected_cars(/*const string dest*/) { |
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21 | double start_time; |
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22 | |
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23 | for (int i=0;i<lanes.length();i++) { |
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24 | for (int j=0;j<lanes(i).outputs.length();j++) { |
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25 | // if (lanes(i).outputs(j).substr(0,3)==dest) { |
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26 | // |
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27 | string group = name+"_"+lanes(i).sg; //e.g. 495_VA |
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28 | ivec index=rv_inputs.dataind(RV(group,1)); |
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29 | vec green_time=inputs(index); |
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30 | |
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31 | |
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32 | rv_outputs.add(RV(lanes(i).outputs(j)+"-"+group,3)); |
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33 | outputs.set_size(rv_outputs._dsize()); |
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34 | |
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35 | ivec indexes = rv_outputs.dataind(RV(lanes(i).outputs(j)+"-"+group,3)); |
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36 | |
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37 | //Number of cars |
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38 | outputs(indexes(0))=lanehs(i)->expected_output(green_time(0)); |
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39 | |
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40 | start_time = green_starts(sg_index(lanes(i).sg)) + lanes(i).output_distances(j)/VP + planned_offset; |
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41 | //first car arrive time |
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42 | outputs(indexes(1))=start_time; |
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43 | //last car arrive time |
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44 | outputs(indexes(2))= start_time + green_time(0); |
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45 | |
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46 | //} |
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47 | } |
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48 | } |
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49 | } |
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50 | |
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51 | public: |
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52 | int last_offset; |
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53 | int planned_offset; |
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54 | double actual_rating; |
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55 | |
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56 | //! array of existing signal groups |
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57 | Array<string> sgs; |
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58 | //! relative starts of green for signal groups |
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59 | ivec green_starts; |
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60 | |
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61 | //! avarage speed of cars |
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62 | int VP; |
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63 | |
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64 | void validate() { |
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65 | rv_action = RV(name+"_offset", 1); // <======= example |
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66 | |
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67 | for (int i=0; i<sgs.length();i++) { |
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68 | rv_inputs.add(RV(name+"_"+sgs(i),1)); |
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69 | |
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70 | //place for expected inputs |
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71 | //rv_expected_traffic.add(RV(name+"_"+sgs(i)+"_exp",3)); |
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72 | } |
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73 | |
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74 | inputs.set_size(rv_inputs._dsize()); |
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75 | //expected_traffic.set_size(rv_expected_traffic._dsize()); |
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76 | |
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77 | BaseTrafficAgent::validate(); |
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78 | } |
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79 | |
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80 | //! returns index of signal group sg |
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81 | int sg_index(string sg) { |
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82 | for (int i=0;i<sgs.length();i++) { |
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83 | if (sgs(i)==sg) { |
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84 | return i; |
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85 | } |
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86 | } |
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87 | return -1; |
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88 | } |
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89 | |
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90 | void adapt(const vec &glob_dt) { |
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91 | BaseTrafficAgent::adapt(glob_dt); |
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92 | |
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93 | planned_offset=last_offset; |
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94 | } |
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95 | //! counts actual rating using planned_offset and recieved_exps |
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96 | void count_rating() { |
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97 | double virtual_queue; |
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98 | double t_emptiyng; |
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99 | double t_green_begin; |
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100 | double t_green_end; |
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101 | double t_cars_begin; |
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102 | double t_cars_end; |
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103 | double t_mixing; |
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104 | bool found; |
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105 | |
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106 | actual_rating=0.0; |
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107 | |
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108 | for (int i=0;i<lanehs.length();i++) { |
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109 | |
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110 | //Finding, if we have some expectations |
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111 | found=false; |
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112 | for (int j=0;j<rv_recieved_exps.length();j++) { |
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113 | for (int k=0;k<lanes(i).inputs.length();k++) { |
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114 | int result=rv_recieved_exps.name(j).find(lanes(i).inputs(k)+"-"); |
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115 | if (result>=0) { |
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116 | ivec indexes = rv_recieved_exps.dataind(RV(rv_recieved_exps.name(j),3)); |
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117 | |
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118 | t_cars_begin=recieved_exps(indexes(1)); |
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119 | t_cars_end=recieved_exps(indexes(2)); |
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120 | found=true; |
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121 | } |
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122 | } |
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123 | } |
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124 | if (!found) { |
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125 | t_cars_begin=0; |
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126 | t_cars_end=cycle_time; |
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127 | } |
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128 | |
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129 | //counting rating |
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130 | t_green_begin=green_starts(sg_index(lanes(i).sg)) + planned_offset; |
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131 | ivec indexes = rv_inputs.dataind(RV(name+"_"+lanes(i).sg,1)); |
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132 | t_green_end=t_green_begin+inputs(indexes(0)); |
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133 | |
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134 | if (t_green_begin<t_cars_begin) { |
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135 | virtual_queue=lanehs(i)->queue-(t_cars_begin-t_green_begin)/car_leaving; |
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136 | } |
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137 | else if (t_green_begin>t_cars_begin) { |
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138 | virtual_queue=lanehs(i)->queue+(t_green_begin-t_cars_begin)*lanehs(i)->expected_density(); |
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139 | } |
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140 | //TODO lanehs(i)->queue je zatim prazdne => nesmyslne vysledky |
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141 | |
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142 | t_emptiyng=virtual_queue/(1/car_leaving - lanehs(i)->expected_density()); |
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143 | t_mixing=min(t_green_end,t_cars_end)-max(t_green_begin,t_cars_begin); |
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144 | |
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145 | actual_rating+=max((t_mixing-t_emptiyng)*lanehs(i)->expected_density(),0.0); |
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146 | } |
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147 | } |
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148 | |
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149 | |
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150 | void broadcast(Setting& set){ |
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151 | |
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152 | //ask neighbours for exptected arrive times |
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153 | if (true) { |
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154 | for (int i=0; i<neighbours.length(); i++){ |
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155 | Setting &msg =set.add(Setting::TypeGroup); |
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156 | |
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157 | UI::save ( neighbours(i), msg, "to"); |
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158 | UI::save (name,msg,"from"); |
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159 | UI::save ( (string)"expected_times_request", msg, "what"); |
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160 | } |
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161 | } |
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162 | |
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163 | |
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164 | // broadcast expected cars |
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165 | if (!seznam.empty()) { |
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166 | do { |
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167 | vec value; |
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168 | |
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169 | expected_cars(); |
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170 | Setting &msg =set.add(Setting::TypeGroup); |
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171 | UI::save ( seznam.back(), msg, "to"); |
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172 | UI::save ( name, msg, "from"); |
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173 | UI::save ( (string)"new_expected_cars", msg, "what"); |
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174 | UI::save ( &(rv_outputs), msg, "rv"); |
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175 | UI::save ( outputs, msg, "value"); |
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176 | seznam.pop_back(); |
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177 | |
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178 | } while (!seznam.empty()); |
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179 | |
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180 | } |
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181 | |
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182 | } |
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183 | |
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184 | void receive(const Setting &msg){ |
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185 | string what; |
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186 | string to; |
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187 | string from; |
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188 | vec value; |
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189 | RV *rv; |
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190 | |
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191 | UI::get(what, msg, "what", UI::compulsory); |
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192 | UI::get(to, msg, "to", UI::compulsory); |
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193 | UI::get(from, msg, "from"); |
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194 | UI::get(rv, msg, "rv"); |
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195 | UI::get(value, msg, "value"); |
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196 | if (what=="expected_times_request"){ |
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197 | recieved_exp_request=true; |
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198 | seznam.push_back(from); |
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199 | |
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200 | } |
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201 | else if (what=="new_expected_cars") { |
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202 | rv_recieved_exps=*rv; |
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203 | recieved_exps=value; |
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204 | count_rating(); |
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205 | //TODO skutecne vyjednavani |
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206 | } |
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207 | else { |
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208 | BaseTrafficAgent::receive(msg); |
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209 | } |
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210 | } |
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211 | |
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212 | void ds_register(const DS &ds) { |
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213 | BaseTrafficAgent::ds_register(ds); |
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214 | action2ds.set_connection( ds._urv(), rv_action); |
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215 | |
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216 | } |
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217 | |
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218 | void from_setting(const Setting &set) { |
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219 | BaseTrafficAgent::from_setting(set); |
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220 | |
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221 | car_leaving=2; |
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222 | VP=45; |
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223 | recieved_exp_request=false; |
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224 | |
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225 | // load from file |
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226 | UI::get(sgs, set, "sgs", UI::compulsory); |
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227 | UI::get(green_starts, set, "green_starts", UI::compulsory); |
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228 | UI::get(last_offset, set, "offset", UI::compulsory); |
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229 | |
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230 | } |
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231 | void act(vec &glob_ut){ |
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232 | vec action; |
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233 | action.set_size(rv_action._dsize()); |
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234 | |
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235 | ivec index = rv_action.dataind(RV(name+"_offset",1)); |
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236 | action(index(0))=planned_offset; |
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237 | |
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238 | action2ds.filldown(action,glob_ut); |
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239 | } |
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240 | |
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241 | }; |
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242 | UIREGISTER(GreenWaveTrafficAgent); |
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