<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `map_gui/src/simple_app.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>simple_app.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg"> <link rel="alternate icon" 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id="332">332</span> <span id="333">333</span> <span id="334">334</span> <span id="335">335</span> <span id="336">336</span> </pre><div class="example-wrap"><pre class="rust "> <span class="kw">use</span> <span class="ident">abstio::MapName</span>; <span class="kw">use</span> <span class="ident">abstutil</span>::{<span class="ident">CmdArgs</span>, <span class="ident">Timer</span>}; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Circle</span>, <span class="ident">Distance</span>, <span class="ident">Duration</span>, <span class="ident">Pt2D</span>, <span class="ident">Time</span>}; <span class="kw">use</span> <span class="ident">map_model</span>::{<span class="ident">IntersectionID</span>, <span class="ident">Map</span>}; <span class="kw">use</span> <span class="ident">sim::Sim</span>; <span class="kw">use</span> <span class="ident">widgetry</span>::{<span class="ident">Canvas</span>, <span class="ident">EventCtx</span>, <span class="ident">GfxCtx</span>, <span class="ident">SharedAppState</span>, <span class="ident">State</span>, <span class="ident">Transition</span>, <span class="ident">Warper</span>}; <span class="kw">use</span> <span class="kw">crate</span><span class="ident">::colors::ColorScheme</span>; <span class="kw">use</span> <span class="kw">crate</span><span class="ident">::load::MapLoader</span>; <span class="kw">use</span> <span class="kw">crate</span><span class="ident">::options::Options</span>; <span class="kw">use</span> <span class="kw">crate</span><span class="ident">::render::DrawMap</span>; <span class="kw">use</span> <span class="kw">crate</span><span class="ident">::render</span>::{<span class="ident">DrawOptions</span>, <span class="ident">Renderable</span>}; <span class="kw">use</span> <span class="kw">crate</span><span class="ident">::tools</span>::{<span class="ident">CameraState</span>, <span class="ident">URLManager</span>}; <span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">AppLike</span>, <span class="ident">ID</span>}; <span class="doccomment">/// Simple app state that just renders a static map, without any dynamic agents on the map.</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> { <span class="kw">pub</span> <span class="ident">map</span>: <span class="ident">Map</span>, <span class="kw">pub</span> <span class="ident">draw_map</span>: <span class="ident">DrawMap</span>, <span class="kw">pub</span> <span class="ident">cs</span>: <span class="ident">ColorScheme</span>, <span class="kw">pub</span> <span class="ident">opts</span>: <span class="ident">Options</span>, <span class="kw">pub</span> <span class="ident">current_selection</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ID</span><span class="op">></span>, <span class="doccomment">/// Custom per-app state can be stored here</span> <span class="kw">pub</span> <span class="ident">session</span>: <span class="ident">T</span>, <span class="doccomment">/// If desired, this can be advanced to render traffic signals changing.</span> <span class="kw">pub</span> <span class="ident">time</span>: <span class="ident">Time</span>, } <span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span><span class="op"><</span> <span class="ident">F</span>: <span class="lifetime">'static</span> <span class="op">+</span> <span class="ident">Fn</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">State</span><span class="op"><</span><span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span><span class="op">></span><span class="op">></span>, <span class="op">></span>( <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="kw-2">mut</span> <span class="ident">opts</span>: <span class="ident">Options</span>, <span class="ident">session</span>: <span class="ident">T</span>, <span class="ident">init_states</span>: <span class="ident">F</span>, ) <span class="op">-</span><span class="op">></span> (<span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>, <span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">State</span><span class="op"><</span><span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span><span class="op">></span><span class="op">></span>) { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">args</span> <span class="op">=</span> <span class="ident">CmdArgs::new</span>(); <span class="ident">opts</span>.<span class="ident">update_from_args</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">args</span>); <span class="kw">let</span> <span class="ident">map_name</span> <span class="op">=</span> <span class="ident">args</span> .<span class="ident">optional_free</span>() .<span class="ident">map</span>(<span class="op">|</span><span class="ident">path</span><span class="op">|</span> { <span class="ident">MapName::from_path</span>(<span class="kw-2">&</span><span class="ident">path</span>).<span class="ident">unwrap_or_else</span>(<span class="op">|</span><span class="op">|</span> <span class="macro">panic!</span>(<span class="string">"bad map path: {}"</span>, <span class="ident">path</span>)) }) .<span class="ident">or_else</span>(<span class="op">|</span><span class="op">|</span> { <span class="ident">abstio::maybe_read_json</span>::<span class="op"><</span><span class="kw">crate</span><span class="ident">::tools::DefaultMap</span><span class="op">></span>( <span class="ident">abstio::path_player</span>(<span class="string">"maps.json"</span>), <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer::throwaway</span>(), ) .<span class="ident">ok</span>() .<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span>.<span class="ident">last_map</span>) }) .<span class="ident">unwrap_or_else</span>(<span class="op">|</span><span class="op">|</span> <span class="ident">MapName::seattle</span>(<span class="string">"montlake"</span>)); <span class="kw">let</span> <span class="ident">center_camera</span> <span class="op">=</span> <span class="ident">args</span>.<span class="ident">optional</span>(<span class="string">"--cam"</span>); <span class="ident">args</span>.<span class="ident">done</span>(); <span class="kw">let</span> <span class="ident">cs</span> <span class="op">=</span> <span class="ident">ColorScheme::new</span>(<span class="ident">ctx</span>, <span class="ident">opts</span>.<span class="ident">color_scheme</span>); <span class="comment">// Start with a blank map</span> <span class="kw">let</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">Map::blank</span>(); <span class="kw">let</span> <span class="ident">draw_map</span> <span class="op">=</span> <span class="ident">DrawMap::new</span>(<span class="ident">ctx</span>, <span class="kw-2">&</span><span class="ident">map</span>, <span class="kw-2">&</span><span class="ident">opts</span>, <span class="kw-2">&</span><span class="ident">cs</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer::throwaway</span>()); <span class="kw">let</span> <span class="ident">app</span> <span class="op">=</span> <span class="ident">SimpleApp</span> { <span class="ident">map</span>, <span class="ident">draw_map</span>, <span class="ident">cs</span>, <span class="ident">opts</span>, <span class="ident">current_selection</span>: <span class="prelude-val">None</span>, <span class="ident">session</span>, <span class="ident">time</span>: <span class="ident">Time::START_OF_DAY</span>, }; <span class="kw">let</span> <span class="ident">states</span> <span class="op">=</span> <span class="macro">vec!</span>[<span class="ident">MapLoader::new_state</span>( <span class="ident">ctx</span>, <span class="kw-2">&</span><span class="ident">app</span>, <span class="ident">map_name</span>, <span class="ident">Box::new</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">ctx</span>, <span class="ident">app</span><span class="op">|</span> { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="ident">pt</span>, <span class="ident">zoom</span>)) <span class="op">=</span> <span class="ident">center_camera</span>.<span class="ident">and_then</span>(<span class="op">|</span><span class="ident">cam</span><span class="op">|</span> <span class="ident">URLManager::parse_center_camera</span>(<span class="ident">app</span>, <span class="ident">cam</span>)) { <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op">=</span> <span class="ident">zoom</span>; <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">center_on_map_pt</span>(<span class="ident">pt</span>); } <span class="ident">Transition::Clear</span>(<span class="ident">init_states</span>(<span class="ident">ctx</span>, <span class="ident">app</span>)) }), )]; (<span class="ident">app</span>, <span class="ident">states</span>) } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">draw_unzoomed</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>) { <span class="ident">g</span>.<span class="ident">clear</span>(<span class="self">self</span>.<span class="ident">cs</span>.<span class="ident">void_background</span>); <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">boundary_polygon</span>); <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">draw_all_areas</span>); <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">draw_all_unzoomed_parking_lots</span>); <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">draw_all_unzoomed_roads_and_intersections</span>); <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">draw_all_buildings</span>); <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">draw_all_building_outlines</span>); <span class="comment">// Not the building paths</span> <span class="comment">// Still show some shape selection when zoomed out.</span> <span class="comment">// TODO Refactor! Ideally use get_obj</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">ID::Area</span>(<span class="ident">id</span>)) <span class="op">=</span> <span class="self">self</span>.<span class="ident">current_selection</span> { <span class="ident">g</span>.<span class="ident">draw_polygon</span>( <span class="self">self</span>.<span class="ident">cs</span>.<span class="ident">selected</span>, <span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">get_a</span>(<span class="ident">id</span>).<span class="ident">get_outline</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">map</span>), ); } <span class="kw">else</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">ID::Road</span>(<span class="ident">id</span>)) <span class="op">=</span> <span class="self">self</span>.<span class="ident">current_selection</span> { <span class="ident">g</span>.<span class="ident">draw_polygon</span>( <span class="self">self</span>.<span class="ident">cs</span>.<span class="ident">selected</span>, <span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">get_r</span>(<span class="ident">id</span>).<span class="ident">get_outline</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">map</span>), ); } <span class="kw">else</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">ID::Intersection</span>(<span class="ident">id</span>)) <span class="op">=</span> <span class="self">self</span>.<span class="ident">current_selection</span> { <span class="comment">// Actually, don't use get_outline here! Full polygon is easier to see.</span> <span class="ident">g</span>.<span class="ident">draw_polygon</span>(<span class="self">self</span>.<span class="ident">cs</span>.<span class="ident">selected</span>, <span class="self">self</span>.<span class="ident">map</span>.<span class="ident">get_i</span>(<span class="ident">id</span>).<span class="ident">polygon</span>.<span class="ident">clone</span>()); } <span class="kw">else</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">ID::Building</span>(<span class="ident">id</span>)) <span class="op">=</span> <span class="self">self</span>.<span class="ident">current_selection</span> { <span class="ident">g</span>.<span class="ident">draw_polygon</span>(<span class="self">self</span>.<span class="ident">cs</span>.<span class="ident">selected</span>, <span class="self">self</span>.<span class="ident">map</span>.<span class="ident">get_b</span>(<span class="ident">id</span>).<span class="ident">polygon</span>.<span class="ident">clone</span>()); } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">draw_zoomed</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="ident">opts</span>: <span class="ident">DrawOptions</span>) { <span class="ident">g</span>.<span class="ident">clear</span>(<span class="self">self</span>.<span class="ident">cs</span>.<span class="ident">void_background</span>); <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">boundary_polygon</span>); <span class="kw">let</span> <span class="ident">objects</span> <span class="op">=</span> <span class="self">self</span> .<span class="ident">draw_map</span> .<span class="ident">get_renderables_back_to_front</span>(<span class="ident">g</span>.<span class="ident">get_screen_bounds</span>(), <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">map</span>); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">drawn_all_buildings</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">drawn_all_areas</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">for</span> <span class="ident">obj</span> <span class="kw">in</span> <span class="ident">objects</span> { <span class="ident">obj</span>.<span class="ident">draw</span>(<span class="ident">g</span>, <span class="self">self</span>, <span class="kw-2">&</span><span class="ident">opts</span>); <span class="kw">match</span> <span class="ident">obj</span>.<span class="ident">get_id</span>() { <span class="ident">ID::Building</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">></span> { <span class="kw">if</span> <span class="op">!</span><span class="ident">drawn_all_buildings</span> { <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">draw_all_buildings</span>); <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">draw_all_building_outlines</span>); <span class="ident">drawn_all_buildings</span> <span class="op">=</span> <span class="bool-val">true</span>; } } <span class="ident">ID::Area</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">></span> { <span class="kw">if</span> <span class="op">!</span><span class="ident">drawn_all_areas</span> { <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">draw_all_areas</span>); <span class="ident">drawn_all_areas</span> <span class="op">=</span> <span class="bool-val">true</span>; } } <span class="kw">_</span> <span class="op">=</span><span class="op">></span> {} } <span class="kw">if</span> <span class="self">self</span>.<span class="ident">current_selection</span> <span class="op">=</span><span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">obj</span>.<span class="ident">get_id</span>()) { <span class="ident">g</span>.<span class="ident">draw_polygon</span>(<span class="self">self</span>.<span class="ident">cs</span>.<span class="ident">selected</span>, <span class="ident">obj</span>.<span class="ident">get_outline</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">map</span>)); } } } <span class="doccomment">/// Assumes some defaults.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">recalculate_current_selection</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="ident">EventCtx</span>) { <span class="self">self</span>.<span class="ident">current_selection</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">calculate_current_selection</span>(<span class="ident">ctx</span>, <span class="bool-val">false</span>, <span class="bool-val">false</span>); } <span class="comment">// TODO Returns anything; I think it should just return roads</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">mouseover_unzoomed_roads_and_intersections</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ID</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">calculate_current_selection</span>(<span class="ident">ctx</span>, <span class="bool-val">true</span>, <span class="bool-val">false</span>) } <span class="doccomment">/// Only select buildings, and work whether zoomed in or not.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">mouseover_unzoomed_buildings</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ID</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">calculate_current_selection</span>(<span class="ident">ctx</span>, <span class="bool-val">false</span>, <span class="bool-val">true</span>) .<span class="ident">filter</span>(<span class="op">|</span><span class="ident">id</span><span class="op">|</span> <span class="macro">matches!</span>(<span class="ident">id</span>, <span class="ident">ID::Building</span>(<span class="kw">_</span>))) } <span class="kw">fn</span> <span class="ident">calculate_current_selection</span>( <span class="kw-2">&</span><span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="ident">EventCtx</span>, <span class="ident">unzoomed_roads_and_intersections</span>: <span class="ident">bool</span>, <span class="ident">unzoomed_buildings</span>: <span class="ident">bool</span>, ) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ID</span><span class="op">></span> { <span class="comment">// Unzoomed mode. Ignore when debugging areas.</span> <span class="kw">if</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op"><</span> <span class="self">self</span>.<span class="ident">opts</span>.<span class="ident">min_zoom_for_detail</span> <span class="op">&&</span> <span class="op">!</span>(<span class="ident">unzoomed_roads_and_intersections</span> <span class="op">|</span><span class="op">|</span> <span class="ident">unzoomed_buildings</span>) { <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="kw">let</span> <span class="ident">pt</span> <span class="op">=</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">get_cursor_in_map_space</span>()<span class="question-mark">?</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">objects</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">get_renderables_back_to_front</span>( <span class="ident">Circle::new</span>(<span class="ident">pt</span>, <span class="ident">Distance::meters</span>(<span class="number">3.0</span>)).<span class="ident">get_bounds</span>(), <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">map</span>, ); <span class="ident">objects</span>.<span class="ident">reverse</span>(); <span class="kw">for</span> <span class="ident">obj</span> <span class="kw">in</span> <span class="ident">objects</span> { <span class="kw">match</span> <span class="ident">obj</span>.<span class="ident">get_id</span>() { <span class="ident">ID::Road</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">></span> { <span class="kw">if</span> <span class="op">!</span><span class="ident">unzoomed_roads_and_intersections</span> <span class="op">|</span><span class="op">|</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op">></span><span class="op">=</span> <span class="self">self</span>.<span class="ident">opts</span>.<span class="ident">min_zoom_for_detail</span> { <span class="kw">continue</span>; } } <span class="ident">ID::Intersection</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">></span> { <span class="kw">if</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op"><</span> <span class="self">self</span>.<span class="ident">opts</span>.<span class="ident">min_zoom_for_detail</span> <span class="op">&&</span> <span class="op">!</span><span class="ident">unzoomed_roads_and_intersections</span> { <span class="kw">continue</span>; } } <span class="ident">ID::Building</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">></span> { <span class="kw">if</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op"><</span> <span class="self">self</span>.<span class="ident">opts</span>.<span class="ident">min_zoom_for_detail</span> <span class="op">&&</span> <span class="op">!</span><span class="ident">unzoomed_buildings</span> { <span class="kw">continue</span>; } } <span class="kw">_</span> <span class="op">=</span><span class="op">></span> { <span class="kw">if</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op"><</span> <span class="self">self</span>.<span class="ident">opts</span>.<span class="ident">min_zoom_for_detail</span> { <span class="kw">continue</span>; } } } <span class="kw">if</span> <span class="ident">obj</span>.<span class="ident">contains_pt</span>(<span class="ident">pt</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">map</span>) { <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">obj</span>.<span class="ident">get_id</span>()); } } <span class="prelude-val">None</span> } } <span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">AppLike</span> <span class="kw">for</span> <span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> { <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">map</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="ident">Map</span> { <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">map</span> } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">sim</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="ident">Sim</span> { <span class="macro">unreachable!</span>() } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">cs</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="ident">ColorScheme</span> { <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">cs</span> } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">mut_cs</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ColorScheme</span> { <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">cs</span> } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">draw_map</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="ident">DrawMap</span> { <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">draw_map</span> } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">mut_draw_map</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">DrawMap</span> { <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">draw_map</span> } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">opts</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="ident">Options</span> { <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">opts</span> } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">mut_opts</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Options</span> { <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">opts</span> } <span class="kw">fn</span> <span class="ident">map_switched</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">map</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="ident">CameraState::save</span>(<span class="ident">ctx</span>.<span class="ident">canvas</span>, <span class="self">self</span>.<span class="ident">map</span>.<span class="ident">get_name</span>()); <span class="self">self</span>.<span class="ident">map</span> <span class="op">=</span> <span class="ident">map</span>; <span class="self">self</span>.<span class="ident">draw_map</span> <span class="op">=</span> <span class="ident">DrawMap::new</span>(<span class="ident">ctx</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">map</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">opts</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">cs</span>, <span class="ident">timer</span>); <span class="ident">CameraState::load</span>(<span class="ident">ctx</span>, <span class="self">self</span>.<span class="ident">map</span>.<span class="ident">get_name</span>()); } <span class="kw">fn</span> <span class="ident">draw_with_opts</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="ident">opts</span>: <span class="ident">DrawOptions</span>) { <span class="kw">if</span> <span class="ident">g</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op"><</span> <span class="self">self</span>.<span class="ident">opts</span>.<span class="ident">min_zoom_for_detail</span> { <span class="self">self</span>.<span class="ident">draw_unzoomed</span>(<span class="ident">g</span>); } <span class="kw">else</span> { <span class="self">self</span>.<span class="ident">draw_zoomed</span>(<span class="ident">g</span>, <span class="ident">opts</span>); } } <span class="kw">fn</span> <span class="ident">make_warper</span>( <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="ident">EventCtx</span>, <span class="ident">pt</span>: <span class="ident">Pt2D</span>, <span class="ident">target_cam_zoom</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">f64</span><span class="op">></span>, <span class="kw">_</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ID</span><span class="op">></span>, ) <span class="op">-</span><span class="op">></span> <span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">State</span><span class="op"><</span><span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span><span class="op">></span> { <span class="ident">Box::new</span>(<span class="ident">SimpleWarper</span> { <span class="ident">warper</span>: <span class="ident">Warper::new</span>(<span class="ident">ctx</span>, <span class="ident">pt</span>, <span class="ident">target_cam_zoom</span>), }) } <span class="kw">fn</span> <span class="ident">sim_time</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Time</span> { <span class="self">self</span>.<span class="ident">time</span> } <span class="kw">fn</span> <span class="ident">current_stage_and_remaining_time</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">id</span>: <span class="ident">IntersectionID</span>) <span class="op">-</span><span class="op">></span> (<span class="ident">usize</span>, <span class="ident">Duration</span>) { <span class="kw">let</span> <span class="ident">signal</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">map</span>.<span class="ident">get_traffic_signal</span>(<span class="ident">id</span>); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">time_left</span> <span class="op">=</span> (<span class="self">self</span>.<span class="ident">time</span> <span class="op">-</span> <span class="ident">Time::START_OF_DAY</span>) <span class="op">%</span> <span class="ident">signal</span>.<span class="ident">simple_cycle_duration</span>(); <span class="kw">for</span> (<span class="ident">idx</span>, <span class="ident">stage</span>) <span class="kw">in</span> <span class="ident">signal</span>.<span class="ident">stages</span>.<span class="ident">iter</span>().<span class="ident">enumerate</span>() { <span class="kw">if</span> <span class="ident">time_left</span> <span class="op"><</span> <span class="ident">stage</span>.<span class="ident">stage_type</span>.<span class="ident">simple_duration</span>() { <span class="kw">return</span> (<span class="ident">idx</span>, <span class="ident">time_left</span>); } <span class="ident">time_left</span> <span class="op">-</span><span class="op">=</span> <span class="ident">stage</span>.<span class="ident">stage_type</span>.<span class="ident">simple_duration</span>(); } <span class="macro">unreachable!</span>() } } <span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">SharedAppState</span> <span class="kw">for</span> <span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> { <span class="kw">fn</span> <span class="ident">draw_default</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>) { <span class="self">self</span>.<span class="ident">draw_with_opts</span>(<span class="ident">g</span>, <span class="ident">DrawOptions::new</span>()); } <span class="kw">fn</span> <span class="ident">dump_before_abort</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">canvas</span>: <span class="kw-2">&</span><span class="ident">Canvas</span>) { <span class="ident">CameraState::save</span>(<span class="ident">canvas</span>, <span class="self">self</span>.<span class="ident">map</span>.<span class="ident">get_name</span>()); } <span class="kw">fn</span> <span class="ident">before_quit</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">canvas</span>: <span class="kw-2">&</span><span class="ident">Canvas</span>) { <span class="ident">CameraState::save</span>(<span class="ident">canvas</span>, <span class="self">self</span>.<span class="ident">map</span>.<span class="ident">get_name</span>()); } <span class="kw">fn</span> <span class="ident">free_memory</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) { <span class="self">self</span>.<span class="ident">draw_map</span>.<span class="ident">free_memory</span>(); } } <span class="kw">struct</span> <span class="ident">SimpleWarper</span> { <span class="ident">warper</span>: <span class="ident">Warper</span>, } <span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">State</span><span class="op"><</span><span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span> <span class="kw">for</span> <span class="ident">SimpleWarper</span> { <span class="kw">fn</span> <span class="ident">event</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="ident">Transition</span><span class="op"><</span><span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span> { <span class="kw">if</span> <span class="self">self</span>.<span class="ident">warper</span>.<span class="ident">event</span>(<span class="ident">ctx</span>) { <span class="ident">Transition::Keep</span> } <span class="kw">else</span> { <span class="ident">Transition::Pop</span> } } <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="ident">SimpleApp</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>) {} } </pre></div> </section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="map_gui" data-search-index-js="../../search-index.js" data-search-js="../../search.js"></div> <script src="../../main.js"></script><script src="../../source-script.js"></script><script src="../../source-files.js"></script></body></html>