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id="415">415</span> <span id="416">416</span> <span id="417">417</span> <span id="418">418</span> </pre><div class="example-wrap"><pre class="rust "> <span class="doccomment">//! This is a much more primitive way to randomly generate trips. activity_model.rs has something</span> <span class="doccomment">//! more realistic.</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::<span class="ident">BTreeSet</span>; <span class="kw">use</span> <span class="ident">rand</span>::<span class="ident">seq</span>::<span class="ident">SliceRandom</span>; <span class="kw">use</span> <span class="ident">rand</span>::<span class="ident">Rng</span>; <span class="kw">use</span> <span class="ident">rand_xorshift</span>::<span class="ident">XorShiftRng</span>; <span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>}; <span class="kw">use</span> <span class="ident">abstutil</span>::<span class="ident">Timer</span>; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Duration</span>, <span class="ident">Time</span>}; <span class="kw">use</span> <span class="ident">map_model</span>::{<span class="ident">BuildingID</span>, <span class="ident">DirectedRoadID</span>, <span class="ident">Map</span>, <span class="ident">PathConstraints</span>}; <span class="kw">use</span> <span class="kw">crate</span>::{ <span class="ident">DrivingGoal</span>, <span class="ident">IndividTrip</span>, <span class="ident">PersonID</span>, <span class="ident">PersonSpec</span>, <span class="ident">Scenario</span>, <span class="ident">SidewalkSpot</span>, <span class="ident">SpawnTrip</span>, <span class="ident">TripPurpose</span>, }; <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Debug</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ScenarioGenerator</span> { <span class="kw">pub</span> <span class="ident">scenario_name</span>: <span class="ident">String</span>, <span class="kw">pub</span> <span class="ident">only_seed_buses</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">BTreeSet</span><span class="op"><</span><span class="ident">String</span><span class="op">>></span>, <span class="kw">pub</span> <span class="ident">spawn_over_time</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">SpawnOverTime</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">border_spawn_over_time</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">BorderSpawnOverTime</span><span class="op">></span>, } <span class="comment">// SpawnOverTime and BorderSpawnOverTime should be kept separate. Agents in SpawnOverTime pick</span> <span class="comment">// their mode (use a car, walk, bus) based on the situation. When spawning directly a border,</span> <span class="comment">// agents have to start as a car or pedestrian already.</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Debug</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">SpawnOverTime</span> { <span class="kw">pub</span> <span class="ident">num_agents</span>: <span class="ident">usize</span>, <span class="comment">// TODO use https://docs.rs/rand/0.5.5/rand/distributions/struct.Normal.html</span> <span class="kw">pub</span> <span class="ident">start_time</span>: <span class="ident">Time</span>, <span class="kw">pub</span> <span class="ident">stop_time</span>: <span class="ident">Time</span>, <span class="kw">pub</span> <span class="ident">goal</span>: <span class="ident">OriginDestination</span>, <span class="kw">pub</span> <span class="ident">percent_driving</span>: <span class="ident">f64</span>, <span class="kw">pub</span> <span class="ident">percent_biking</span>: <span class="ident">f64</span>, <span class="kw">pub</span> <span class="ident">percent_use_transit</span>: <span class="ident">f64</span>, } <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Debug</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">BorderSpawnOverTime</span> { <span class="kw">pub</span> <span class="ident">num_peds</span>: <span class="ident">usize</span>, <span class="kw">pub</span> <span class="ident">num_cars</span>: <span class="ident">usize</span>, <span class="kw">pub</span> <span class="ident">num_bikes</span>: <span class="ident">usize</span>, <span class="kw">pub</span> <span class="ident">percent_use_transit</span>: <span class="ident">f64</span>, <span class="comment">// TODO use https://docs.rs/rand/0.5.5/rand/distributions/struct.Normal.html</span> <span class="kw">pub</span> <span class="ident">start_time</span>: <span class="ident">Time</span>, <span class="kw">pub</span> <span class="ident">stop_time</span>: <span class="ident">Time</span>, <span class="kw">pub</span> <span class="ident">start_from_border</span>: <span class="ident">DirectedRoadID</span>, <span class="kw">pub</span> <span class="ident">goal</span>: <span class="ident">OriginDestination</span>, } <span class="kw">impl</span> <span class="ident">ScenarioGenerator</span> { <span class="comment">// TODO may need to fork the RNG a bit more</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">generate</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">rng</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">XorShiftRng</span>, <span class="ident">timer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer</span>) <span class="op">-></span> <span class="ident">Scenario</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">scenario</span> <span class="op">=</span> <span class="ident">Scenario</span>::<span class="ident">empty</span>(<span class="ident">map</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">scenario_name</span>); <span class="ident">scenario</span>.<span class="ident">only_seed_buses</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">only_seed_buses</span>.<span class="ident">clone</span>(); <span class="ident">timer</span>.<span class="ident">start</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Generating scenario {}"</span>, <span class="self">self</span>.<span class="ident">scenario_name</span>)); <span class="kw">for</span> <span class="ident">s</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">spawn_over_time</span> { <span class="ident">timer</span>.<span class="ident">start_iter</span>(<span class="string">"SpawnOverTime each agent"</span>, <span class="ident">s</span>.<span class="ident">num_agents</span>); <span class="kw">for</span> <span class="kw">_</span> <span class="kw">in</span> <span class="number">0</span>..<span class="ident">s</span>.<span class="ident">num_agents</span> { <span class="ident">timer</span>.<span class="ident">next</span>(); <span class="ident">s</span>.<span class="ident">spawn_agent</span>(<span class="ident">rng</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">scenario</span>, <span class="ident">map</span>, <span class="ident">timer</span>); } } <span class="ident">timer</span>.<span class="ident">start_iter</span>(<span class="string">"BorderSpawnOverTime"</span>, <span class="self">self</span>.<span class="ident">border_spawn_over_time</span>.<span class="ident">len</span>()); <span class="kw">for</span> <span class="ident">s</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">border_spawn_over_time</span> { <span class="ident">timer</span>.<span class="ident">next</span>(); <span class="ident">s</span>.<span class="ident">spawn_peds</span>(<span class="ident">rng</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">scenario</span>, <span class="ident">map</span>, <span class="ident">timer</span>); <span class="ident">s</span>.<span class="ident">spawn_vehicles</span>( <span class="ident">s</span>.<span class="ident">num_cars</span>, <span class="ident">PathConstraints</span>::<span class="ident">Car</span>, <span class="ident">rng</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">scenario</span>, <span class="ident">map</span>, <span class="ident">timer</span>, ); <span class="ident">s</span>.<span class="ident">spawn_vehicles</span>( <span class="ident">s</span>.<span class="ident">num_bikes</span>, <span class="ident">PathConstraints</span>::<span class="ident">Bike</span>, <span class="ident">rng</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">scenario</span>, <span class="ident">map</span>, <span class="ident">timer</span>, ); } <span class="ident">timer</span>.<span class="ident">stop</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Generating scenario {}"</span>, <span class="self">self</span>.<span class="ident">scenario_name</span>)); <span class="ident">scenario</span> } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">small_run</span>(<span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-></span> <span class="ident">ScenarioGenerator</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">ScenarioGenerator</span> { <span class="ident">scenario_name</span>: <span class="string">"small_run"</span>.<span class="ident">to_string</span>(), <span class="ident">only_seed_buses</span>: <span class="prelude-val">None</span>, <span class="ident">spawn_over_time</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">SpawnOverTime</span> { <span class="ident">num_agents</span>: <span class="number">100</span>, <span class="ident">start_time</span>: <span class="ident">Time</span>::<span class="ident">START_OF_DAY</span>, <span class="ident">stop_time</span>: <span class="ident">Time</span>::<span class="ident">START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration</span>::<span class="ident">seconds</span>(<span class="number">5.0</span>), <span class="ident">goal</span>: <span class="ident">OriginDestination</span>::<span class="ident">Anywhere</span>, <span class="ident">percent_driving</span>: <span class="number">0.5</span>, <span class="ident">percent_biking</span>: <span class="number">0.5</span>, <span class="ident">percent_use_transit</span>: <span class="number">0.5</span>, }], <span class="comment">// If there are no sidewalks/driving lanes at a border, scenario instantiation will</span> <span class="comment">// just warn and skip them.</span> <span class="ident">border_spawn_over_time</span>: <span class="ident">map</span> .<span class="ident">all_incoming_borders</span>() .<span class="ident">into_iter</span>() .<span class="ident">map</span>(<span class="op">|</span><span class="ident">i</span><span class="op">|</span> <span class="ident">BorderSpawnOverTime</span> { <span class="ident">num_peds</span>: <span class="number">10</span>, <span class="ident">num_cars</span>: <span class="number">10</span>, <span class="ident">num_bikes</span>: <span class="number">10</span>, <span class="ident">start_time</span>: <span class="ident">Time</span>::<span class="ident">START_OF_DAY</span>, <span class="ident">stop_time</span>: <span class="ident">Time</span>::<span class="ident">START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration</span>::<span class="ident">seconds</span>(<span class="number">5.0</span>), <span class="ident">start_from_border</span>: <span class="ident">i</span>.<span class="ident">some_outgoing_road</span>(<span class="ident">map</span>).<span class="ident">unwrap</span>(), <span class="ident">goal</span>: <span class="ident">OriginDestination</span>::<span class="ident">Anywhere</span>, <span class="ident">percent_use_transit</span>: <span class="number">0.5</span>, }) .<span class="ident">collect</span>(), }; <span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">all_outgoing_borders</span>() { <span class="ident">s</span>.<span class="ident">spawn_over_time</span>.<span class="ident">push</span>(<span class="ident">SpawnOverTime</span> { <span class="ident">num_agents</span>: <span class="number">10</span>, <span class="ident">start_time</span>: <span class="ident">Time</span>::<span class="ident">START_OF_DAY</span>, <span class="ident">stop_time</span>: <span class="ident">Time</span>::<span class="ident">START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration</span>::<span class="ident">seconds</span>(<span class="number">5.0</span>), <span class="ident">goal</span>: <span class="ident">OriginDestination</span>::<span class="ident">EndOfRoad</span>(<span class="ident">i</span>.<span class="ident">some_incoming_road</span>(<span class="ident">map</span>).<span class="ident">unwrap</span>()), <span class="ident">percent_driving</span>: <span class="number">0.5</span>, <span class="ident">percent_biking</span>: <span class="number">0.5</span>, <span class="ident">percent_use_transit</span>: <span class="number">0.5</span>, }); } <span class="ident">s</span> } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">empty</span>(<span class="ident">name</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">ScenarioGenerator</span> { <span class="ident">ScenarioGenerator</span> { <span class="ident">scenario_name</span>: <span class="ident">name</span>.<span class="ident">to_string</span>(), <span class="ident">only_seed_buses</span>: <span class="prelude-val">Some</span>(<span class="ident">BTreeSet</span>::<span class="ident">new</span>()), <span class="ident">spawn_over_time</span>: <span class="ident">Vec</span>::<span class="ident">new</span>(), <span class="ident">border_spawn_over_time</span>: <span class="ident">Vec</span>::<span class="ident">new</span>(), } } <span class="comment">// No border agents here, because making the count work is hard.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">scaled_run</span>(<span class="ident">num_agents</span>: <span class="ident">usize</span>) <span class="op">-></span> <span class="ident">ScenarioGenerator</span> { <span class="ident">ScenarioGenerator</span> { <span class="ident">scenario_name</span>: <span class="string">"scaled_run"</span>.<span class="ident">to_string</span>(), <span class="ident">only_seed_buses</span>: <span class="prelude-val">Some</span>(<span class="ident">BTreeSet</span>::<span class="ident">new</span>()), <span class="ident">spawn_over_time</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">SpawnOverTime</span> { <span class="ident">num_agents</span>: <span class="ident">num_agents</span>, <span class="ident">start_time</span>: <span class="ident">Time</span>::<span class="ident">START_OF_DAY</span>, <span class="ident">stop_time</span>: <span class="ident">Time</span>::<span class="ident">START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration</span>::<span class="ident">seconds</span>(<span class="number">5.0</span>), <span class="ident">goal</span>: <span class="ident">OriginDestination</span>::<span class="ident">Anywhere</span>, <span class="ident">percent_driving</span>: <span class="number">0.5</span>, <span class="ident">percent_biking</span>: <span class="number">0.5</span>, <span class="ident">percent_use_transit</span>: <span class="number">0.5</span>, }], <span class="ident">border_spawn_over_time</span>: <span class="ident">Vec</span>::<span class="ident">new</span>(), } } } <span class="kw">impl</span> <span class="ident">SpawnOverTime</span> { <span class="kw">fn</span> <span class="ident">spawn_agent</span>( <span class="kw-2">&</span><span class="self">self</span>, <span class="ident">rng</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">XorShiftRng</span>, <span class="ident">scenario</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Scenario</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">timer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer</span>, ) { <span class="kw">let</span> <span class="ident">depart</span> <span class="op">=</span> <span class="ident">rand_time</span>(<span class="ident">rng</span>, <span class="self">self</span>.<span class="ident">start_time</span>, <span class="self">self</span>.<span class="ident">stop_time</span>); <span class="comment">// Note that it's fine for agents to start/end at the same building. Later we might</span> <span class="comment">// want a better assignment of people per household, or workers per office building.</span> <span class="kw">let</span> <span class="ident">from_bldg</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">all_buildings</span>().<span class="ident">choose</span>(<span class="ident">rng</span>).<span class="ident">unwrap</span>().<span class="ident">id</span>; <span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">PersonID</span>(<span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">len</span>()); <span class="kw">if</span> <span class="ident">rng</span>.<span class="ident">gen_bool</span>(<span class="self">self</span>.<span class="ident">percent_driving</span>) { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">goal</span>) <span class="op">=</span> <span class="self">self</span> .<span class="ident">goal</span> .<span class="ident">pick_driving_goal</span>(<span class="ident">PathConstraints</span>::<span class="ident">Car</span>, <span class="ident">map</span>, <span class="ident">rng</span>, <span class="ident">timer</span>) { <span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">push</span>(<span class="ident">PersonSpec</span> { <span class="ident">id</span>, <span class="ident">orig_id</span>: <span class="prelude-val">None</span>, <span class="ident">trips</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">IndividTrip</span>::<span class="ident">new</span>( <span class="ident">depart</span>, <span class="ident">TripPurpose</span>::<span class="ident">Shopping</span>, <span class="ident">SpawnTrip</span>::<span class="ident">UsingParkedCar</span>(<span class="ident">from_bldg</span>, <span class="ident">goal</span>), )], }); <span class="kw">return</span>; } } <span class="kw">if</span> <span class="ident">rng</span>.<span class="ident">gen_bool</span>(<span class="self">self</span>.<span class="ident">percent_biking</span>) { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">goal</span>) <span class="op">=</span> <span class="self">self</span> .<span class="ident">goal</span> .<span class="ident">pick_driving_goal</span>(<span class="ident">PathConstraints</span>::<span class="ident">Bike</span>, <span class="ident">map</span>, <span class="ident">rng</span>, <span class="ident">timer</span>) { <span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">push</span>(<span class="ident">PersonSpec</span> { <span class="ident">id</span>, <span class="ident">orig_id</span>: <span class="prelude-val">None</span>, <span class="ident">trips</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">IndividTrip</span>::<span class="ident">new</span>( <span class="ident">depart</span>, <span class="ident">TripPurpose</span>::<span class="ident">Shopping</span>, <span class="ident">SpawnTrip</span>::<span class="ident">UsingBike</span>(<span class="ident">from_bldg</span>, <span class="ident">goal</span>), )], }); <span class="kw">return</span>; } } <span class="kw">let</span> <span class="ident">start_spot</span> <span class="op">=</span> <span class="ident">SidewalkSpot</span>::<span class="ident">building</span>(<span class="ident">from_bldg</span>, <span class="ident">map</span>); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">goal</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">goal</span>.<span class="ident">pick_walking_goal</span>(<span class="ident">map</span>, <span class="ident">rng</span>, <span class="ident">timer</span>) { <span class="kw">if</span> <span class="ident">start_spot</span> <span class="op">==</span> <span class="ident">goal</span> { <span class="ident">timer</span>.<span class="ident">warn</span>(<span class="string">"Skipping walking trip between same two buildings"</span>.<span class="ident">to_string</span>()); <span class="kw">return</span>; } <span class="kw">if</span> <span class="ident">rng</span>.<span class="ident">gen_bool</span>(<span class="self">self</span>.<span class="ident">percent_use_transit</span>) { <span class="comment">// TODO This throws away some work. It also sequentially does expensive</span> <span class="comment">// work right here.</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="ident">stop1</span>, <span class="ident">maybe_stop2</span>, <span class="ident">route</span>)) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">should_use_transit</span>(<span class="ident">start_spot</span>.<span class="ident">sidewalk_pos</span>, <span class="ident">goal</span>.<span class="ident">sidewalk_pos</span>) { <span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">push</span>(<span class="ident">PersonSpec</span> { <span class="ident">id</span>, <span class="ident">orig_id</span>: <span class="prelude-val">None</span>, <span class="ident">trips</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">IndividTrip</span>::<span class="ident">new</span>( <span class="ident">depart</span>, <span class="ident">TripPurpose</span>::<span class="ident">Shopping</span>, <span class="ident">SpawnTrip</span>::<span class="ident">UsingTransit</span>(<span class="ident">start_spot</span>, <span class="ident">goal</span>, <span class="ident">route</span>, <span class="ident">stop1</span>, <span class="ident">maybe_stop2</span>), )], }); <span class="kw">return</span>; } } <span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">push</span>(<span class="ident">PersonSpec</span> { <span class="ident">id</span>, <span class="ident">orig_id</span>: <span class="prelude-val">None</span>, <span class="ident">trips</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">IndividTrip</span>::<span class="ident">new</span>( <span class="ident">depart</span>, <span class="ident">TripPurpose</span>::<span class="ident">Shopping</span>, <span class="ident">SpawnTrip</span>::<span class="ident">JustWalking</span>(<span class="ident">start_spot</span>, <span class="ident">goal</span>), )], }); <span class="kw">return</span>; } <span class="ident">timer</span>.<span class="ident">warn</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Couldn't fulfill {:?} at all"</span>, <span class="self">self</span>)); } } <span class="kw">impl</span> <span class="ident">BorderSpawnOverTime</span> { <span class="kw">fn</span> <span class="ident">spawn_peds</span>( <span class="kw-2">&</span><span class="self">self</span>, <span class="ident">rng</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">XorShiftRng</span>, <span class="ident">scenario</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Scenario</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">timer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer</span>, ) { <span class="kw">if</span> <span class="self">self</span>.<span class="ident">num_peds</span> <span class="op">==</span> <span class="number">0</span> { <span class="kw">return</span>; } <span class="kw">let</span> <span class="ident">start</span> <span class="op">=</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">s</span>) <span class="op">=</span> <span class="ident">SidewalkSpot</span>::<span class="ident">start_at_border</span>(<span class="self">self</span>.<span class="ident">start_from_border</span>.<span class="ident">src_i</span>(<span class="ident">map</span>), <span class="ident">map</span>) { <span class="ident">s</span> } <span class="kw">else</span> { <span class="ident">timer</span>.<span class="ident">warn</span>(<span class="macro">format</span><span class="macro">!</span>( <span class="string">"Can't start_at_border for {} without sidewalk"</span>, <span class="self">self</span>.<span class="ident">start_from_border</span> )); <span class="kw">return</span>; }; <span class="kw">for</span> <span class="kw">_</span> <span class="kw">in</span> <span class="number">0</span>..<span class="self">self</span>.<span class="ident">num_peds</span> { <span class="kw">let</span> <span class="ident">depart</span> <span class="op">=</span> <span class="ident">rand_time</span>(<span class="ident">rng</span>, <span class="self">self</span>.<span class="ident">start_time</span>, <span class="self">self</span>.<span class="ident">stop_time</span>); <span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">PersonID</span>(<span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">len</span>()); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">goal</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">goal</span>.<span class="ident">pick_walking_goal</span>(<span class="ident">map</span>, <span class="ident">rng</span>, <span class="ident">timer</span>) { <span class="kw">if</span> <span class="ident">rng</span>.<span class="ident">gen_bool</span>(<span class="self">self</span>.<span class="ident">percent_use_transit</span>) { <span class="comment">// TODO This throws away some work. It also sequentially does expensive</span> <span class="comment">// work right here.</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="ident">stop1</span>, <span class="ident">maybe_stop2</span>, <span class="ident">route</span>)) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">should_use_transit</span>(<span class="ident">start</span>.<span class="ident">sidewalk_pos</span>, <span class="ident">goal</span>.<span class="ident">sidewalk_pos</span>) { <span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">push</span>(<span class="ident">PersonSpec</span> { <span class="ident">id</span>, <span class="ident">orig_id</span>: <span class="prelude-val">None</span>, <span class="ident">trips</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">IndividTrip</span>::<span class="ident">new</span>( <span class="ident">depart</span>, <span class="ident">TripPurpose</span>::<span class="ident">Shopping</span>, <span class="ident">SpawnTrip</span>::<span class="ident">UsingTransit</span>( <span class="ident">start</span>.<span class="ident">clone</span>(), <span class="ident">goal</span>, <span class="ident">route</span>, <span class="ident">stop1</span>, <span class="ident">maybe_stop2</span>, ), )], }); <span class="kw">continue</span>; } } <span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">push</span>(<span class="ident">PersonSpec</span> { <span class="ident">id</span>, <span class="ident">orig_id</span>: <span class="prelude-val">None</span>, <span class="ident">trips</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">IndividTrip</span>::<span class="ident">new</span>( <span class="ident">depart</span>, <span class="ident">TripPurpose</span>::<span class="ident">Shopping</span>, <span class="ident">SpawnTrip</span>::<span class="ident">JustWalking</span>(<span class="ident">start</span>.<span class="ident">clone</span>(), <span class="ident">goal</span>), )], }); } } } <span class="kw">fn</span> <span class="ident">spawn_vehicles</span>( <span class="kw-2">&</span><span class="self">self</span>, <span class="ident">num</span>: <span class="ident">usize</span>, <span class="ident">constraints</span>: <span class="ident">PathConstraints</span>, <span class="ident">rng</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">XorShiftRng</span>, <span class="ident">scenario</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Scenario</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">timer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer</span>, ) { <span class="kw">for</span> <span class="kw">_</span> <span class="kw">in</span> <span class="number">0</span>..<span class="ident">num</span> { <span class="kw">let</span> <span class="ident">depart</span> <span class="op">=</span> <span class="ident">rand_time</span>(<span class="ident">rng</span>, <span class="self">self</span>.<span class="ident">start_time</span>, <span class="self">self</span>.<span class="ident">stop_time</span>); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">goal</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">goal</span>.<span class="ident">pick_driving_goal</span>(<span class="ident">constraints</span>, <span class="ident">map</span>, <span class="ident">rng</span>, <span class="ident">timer</span>) { <span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">PersonID</span>(<span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">len</span>()); <span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">push</span>(<span class="ident">PersonSpec</span> { <span class="ident">id</span>, <span class="ident">orig_id</span>: <span class="prelude-val">None</span>, <span class="ident">trips</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">IndividTrip</span>::<span class="ident">new</span>( <span class="ident">depart</span>, <span class="ident">TripPurpose</span>::<span class="ident">Shopping</span>, <span class="ident">SpawnTrip</span>::<span class="ident">FromBorder</span> { <span class="ident">dr</span>: <span class="self">self</span>.<span class="ident">start_from_border</span>, <span class="ident">goal</span>, <span class="ident">is_bike</span>: <span class="ident">constraints</span> <span class="op">==</span> <span class="ident">PathConstraints</span>::<span class="ident">Bike</span>, }, )], }); } } } } <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Debug</span>)]</span> <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">OriginDestination</span> { <span class="ident">Anywhere</span>, <span class="ident">EndOfRoad</span>(<span class="ident">DirectedRoadID</span>), <span class="ident">GotoBldg</span>(<span class="ident">BuildingID</span>), } <span class="kw">impl</span> <span class="ident">OriginDestination</span> { <span class="kw">fn</span> <span class="ident">pick_driving_goal</span>( <span class="kw-2">&</span><span class="self">self</span>, <span class="ident">constraints</span>: <span class="ident">PathConstraints</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">rng</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">XorShiftRng</span>, <span class="ident">timer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer</span>, ) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">DrivingGoal</span><span class="op">></span> { <span class="kw">match</span> <span class="self">self</span> { <span class="ident">OriginDestination</span>::<span class="ident">Anywhere</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="ident">DrivingGoal</span>::<span class="ident">ParkNear</span>( <span class="ident">map</span>.<span class="ident">all_buildings</span>().<span class="ident">choose</span>(<span class="ident">rng</span>).<span class="ident">unwrap</span>().<span class="ident">id</span>, )), <span class="ident">OriginDestination</span>::<span class="ident">GotoBldg</span>(<span class="ident">b</span>) <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="ident">DrivingGoal</span>::<span class="ident">ParkNear</span>(<span class="kw-2">*</span><span class="ident">b</span>)), <span class="ident">OriginDestination</span>::<span class="ident">EndOfRoad</span>(<span class="ident">dr</span>) <span class="op">=></span> { <span class="kw">let</span> <span class="ident">goal</span> <span class="op">=</span> <span class="ident">DrivingGoal</span>::<span class="ident">end_at_border</span>(<span class="kw-2">*</span><span class="ident">dr</span>, <span class="ident">constraints</span>, <span class="ident">map</span>); <span class="kw">if</span> <span class="ident">goal</span>.<span class="ident">is_none</span>() { <span class="ident">timer</span>.<span class="ident">warn</span>(<span class="macro">format</span><span class="macro">!</span>( <span class="string">"Can't spawn a {:?} ending at border {}; no appropriate lanes there"</span>, <span class="ident">constraints</span>, <span class="ident">dr</span> )); } <span class="ident">goal</span> } } } <span class="kw">fn</span> <span class="ident">pick_walking_goal</span>( <span class="kw-2">&</span><span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">rng</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">XorShiftRng</span>, <span class="ident">timer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer</span>, ) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">SidewalkSpot</span><span class="op">></span> { <span class="kw">match</span> <span class="self">self</span> { <span class="ident">OriginDestination</span>::<span class="ident">Anywhere</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="ident">SidewalkSpot</span>::<span class="ident">building</span>( <span class="ident">map</span>.<span class="ident">all_buildings</span>().<span class="ident">choose</span>(<span class="ident">rng</span>).<span class="ident">unwrap</span>().<span class="ident">id</span>, <span class="ident">map</span>, )), <span class="ident">OriginDestination</span>::<span class="ident">EndOfRoad</span>(<span class="ident">dr</span>) <span class="op">=></span> { <span class="kw">let</span> <span class="ident">goal</span> <span class="op">=</span> <span class="ident">SidewalkSpot</span>::<span class="ident">end_at_border</span>(<span class="ident">dr</span>.<span class="ident">dst_i</span>(<span class="ident">map</span>), <span class="ident">map</span>); <span class="kw">if</span> <span class="ident">goal</span>.<span class="ident">is_none</span>() { <span class="ident">timer</span>.<span class="ident">warn</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Can't end_at_border for {} without a sidewalk"</span>, <span class="ident">dr</span>)); } <span class="ident">goal</span> } <span class="ident">OriginDestination</span>::<span class="ident">GotoBldg</span>(<span class="ident">b</span>) <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="ident">SidewalkSpot</span>::<span class="ident">building</span>(<span class="kw-2">*</span><span class="ident">b</span>, <span class="ident">map</span>)), } } } <span class="kw">fn</span> <span class="ident">rand_time</span>(<span class="ident">rng</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">XorShiftRng</span>, <span class="ident">low</span>: <span class="ident">Time</span>, <span class="ident">high</span>: <span class="ident">Time</span>) <span class="op">-></span> <span class="ident">Time</span> { <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">high</span> <span class="op">></span> <span class="ident">low</span>); <span class="ident">Time</span>::<span class="ident">START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration</span>::<span class="ident">seconds</span>(<span class="ident">rng</span>.<span class="ident">gen_range</span>(<span class="ident">low</span>.<span class="ident">inner_seconds</span>(), <span class="ident">high</span>.<span class="ident">inner_seconds</span>())) } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../../";window.currentCrate = "sim";</script><script src="../../../main.js"></script><script src="../../../source-script.js"></script><script src="../../../source-files.js"></script><script defer src="../../../search-index.js"></script></body></html>