<!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/render/building.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>building.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><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"> <link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"> <link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../../map_gui/index.html'><div class='logo-container rust-logo'><img src='../../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button> <a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 5</span> <span id="6"> 6</span> <span id="7"> 7</span> <span id="8"> 8</span> <span id="9"> 9</span> <span id="10"> 10</span> <span id="11"> 11</span> <span id="12"> 12</span> <span id="13"> 13</span> <span id="14"> 14</span> <span id="15"> 15</span> <span id="16"> 16</span> <span id="17"> 17</span> <span id="18"> 18</span> <span id="19"> 19</span> <span id="20"> 20</span> <span id="21"> 21</span> <span id="22"> 22</span> <span id="23"> 23</span> <span id="24"> 24</span> <span id="25"> 25</span> <span id="26"> 26</span> <span id="27"> 27</span> <span id="28"> 28</span> <span id="29"> 29</span> <span id="30"> 30</span> <span id="31"> 31</span> <span id="32"> 32</span> <span id="33"> 33</span> <span id="34"> 34</span> <span id="35"> 35</span> <span id="36"> 36</span> <span id="37"> 37</span> <span id="38"> 38</span> <span id="39"> 39</span> <span id="40"> 40</span> <span id="41"> 41</span> <span id="42"> 42</span> <span id="43"> 43</span> <span id="44"> 44</span> <span id="45"> 45</span> <span id="46"> 46</span> <span id="47"> 47</span> <span id="48"> 48</span> <span id="49"> 49</span> <span id="50"> 50</span> <span id="51"> 51</span> <span id="52"> 52</span> <span id="53"> 53</span> <span id="54"> 54</span> <span id="55"> 55</span> <span id="56"> 56</span> <span id="57"> 57</span> <span id="58"> 58</span> <span id="59"> 59</span> <span id="60"> 60</span> <span id="61"> 61</span> <span id="62"> 62</span> <span id="63"> 63</span> <span id="64"> 64</span> <span id="65"> 65</span> <span id="66"> 66</span> <span id="67"> 67</span> <span id="68"> 68</span> <span id="69"> 69</span> <span id="70"> 70</span> <span id="71"> 71</span> <span id="72"> 72</span> <span id="73"> 73</span> <span id="74"> 74</span> <span id="75"> 75</span> <span id="76"> 76</span> <span id="77"> 77</span> <span id="78"> 78</span> <span id="79"> 79</span> <span id="80"> 80</span> <span id="81"> 81</span> <span id="82"> 82</span> <span id="83"> 83</span> <span id="84"> 84</span> <span id="85"> 85</span> <span id="86"> 86</span> <span id="87"> 87</span> <span id="88"> 88</span> <span id="89"> 89</span> <span id="90"> 90</span> <span id="91"> 91</span> <span id="92"> 92</span> <span id="93"> 93</span> <span id="94"> 94</span> <span id="95"> 95</span> <span id="96"> 96</span> <span id="97"> 97</span> <span id="98"> 98</span> <span id="99"> 99</span> <span id="100">100</span> <span id="101">101</span> <span id="102">102</span> <span id="103">103</span> <span id="104">104</span> <span id="105">105</span> <span id="106">106</span> <span id="107">107</span> <span id="108">108</span> <span id="109">109</span> <span id="110">110</span> <span id="111">111</span> <span id="112">112</span> <span id="113">113</span> <span id="114">114</span> <span id="115">115</span> <span id="116">116</span> <span id="117">117</span> <span id="118">118</span> <span id="119">119</span> <span id="120">120</span> <span id="121">121</span> <span id="122">122</span> <span id="123">123</span> <span id="124">124</span> <span id="125">125</span> <span id="126">126</span> <span id="127">127</span> <span id="128">128</span> <span id="129">129</span> <span id="130">130</span> <span id="131">131</span> <span id="132">132</span> <span id="133">133</span> <span id="134">134</span> <span id="135">135</span> <span id="136">136</span> <span id="137">137</span> <span id="138">138</span> <span id="139">139</span> <span id="140">140</span> <span id="141">141</span> <span id="142">142</span> <span id="143">143</span> <span id="144">144</span> <span id="145">145</span> <span id="146">146</span> <span id="147">147</span> <span id="148">148</span> <span id="149">149</span> <span id="150">150</span> <span id="151">151</span> <span id="152">152</span> <span id="153">153</span> <span id="154">154</span> <span id="155">155</span> <span id="156">156</span> <span id="157">157</span> <span id="158">158</span> <span id="159">159</span> <span id="160">160</span> <span id="161">161</span> <span id="162">162</span> <span id="163">163</span> <span id="164">164</span> <span id="165">165</span> <span id="166">166</span> <span id="167">167</span> <span id="168">168</span> <span id="169">169</span> <span id="170">170</span> <span id="171">171</span> <span id="172">172</span> <span id="173">173</span> <span id="174">174</span> <span id="175">175</span> <span id="176">176</span> <span id="177">177</span> <span id="178">178</span> <span id="179">179</span> <span id="180">180</span> <span id="181">181</span> <span id="182">182</span> <span id="183">183</span> <span id="184">184</span> <span id="185">185</span> <span id="186">186</span> <span id="187">187</span> <span id="188">188</span> <span id="189">189</span> <span id="190">190</span> <span id="191">191</span> <span id="192">192</span> <span id="193">193</span> <span id="194">194</span> <span id="195">195</span> <span id="196">196</span> <span id="197">197</span> <span id="198">198</span> <span id="199">199</span> <span id="200">200</span> <span id="201">201</span> <span id="202">202</span> <span id="203">203</span> <span id="204">204</span> <span id="205">205</span> <span id="206">206</span> <span id="207">207</span> <span id="208">208</span> <span id="209">209</span> <span id="210">210</span> <span id="211">211</span> <span id="212">212</span> <span id="213">213</span> <span id="214">214</span> <span id="215">215</span> <span id="216">216</span> <span id="217">217</span> <span id="218">218</span> <span id="219">219</span> <span id="220">220</span> <span id="221">221</span> <span id="222">222</span> <span id="223">223</span> <span id="224">224</span> <span id="225">225</span> <span id="226">226</span> <span id="227">227</span> <span id="228">228</span> <span id="229">229</span> <span id="230">230</span> <span id="231">231</span> <span id="232">232</span> <span id="233">233</span> <span id="234">234</span> <span id="235">235</span> <span id="236">236</span> <span id="237">237</span> <span id="238">238</span> <span id="239">239</span> <span id="240">240</span> <span id="241">241</span> <span id="242">242</span> <span id="243">243</span> <span id="244">244</span> <span id="245">245</span> <span id="246">246</span> <span id="247">247</span> <span id="248">248</span> <span id="249">249</span> <span id="250">250</span> <span id="251">251</span> <span id="252">252</span> <span id="253">253</span> <span id="254">254</span> <span id="255">255</span> <span id="256">256</span> <span id="257">257</span> <span id="258">258</span> <span id="259">259</span> <span id="260">260</span> <span id="261">261</span> <span id="262">262</span> <span id="263">263</span> <span id="264">264</span> <span id="265">265</span> <span id="266">266</span> <span id="267">267</span> <span id="268">268</span> <span id="269">269</span> <span id="270">270</span> <span id="271">271</span> <span id="272">272</span> <span id="273">273</span> <span id="274">274</span> <span id="275">275</span> <span id="276">276</span> <span id="277">277</span> <span id="278">278</span> <span id="279">279</span> <span id="280">280</span> <span id="281">281</span> <span id="282">282</span> </pre><div class="example-wrap"><pre class="rust "> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">cell</span>::<span class="ident">RefCell</span>; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Angle</span>, <span class="ident">Distance</span>, <span class="ident">Line</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>, <span class="ident">Ring</span>}; <span class="kw">use</span> <span class="ident">map_model</span>::{<span class="ident">Building</span>, <span class="ident">BuildingID</span>, <span class="ident">LaneType</span>, <span class="ident">Map</span>, <span class="ident">OffstreetParking</span>, <span class="ident">NORMAL_LANE_THICKNESS</span>}; <span class="kw">use</span> <span class="ident">widgetry</span>::{<span class="ident">Color</span>, <span class="ident">Drawable</span>, <span class="ident">EventCtx</span>, <span class="ident">GeomBatch</span>, <span class="ident">GfxCtx</span>, <span class="ident">Line</span>, <span class="ident">Text</span>}; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">colors</span>::{<span class="ident">ColorScheme</span>, <span class="ident">ColorSchemeChoice</span>}; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">options</span>::{<span class="ident">CameraAngle</span>, <span class="ident">Options</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="ident">OUTLINE_THICKNESS</span>}; <span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">AppLike</span>, <span class="ident">ID</span>}; <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">DrawBuilding</span> { <span class="kw">pub</span> <span class="ident">id</span>: <span class="ident">BuildingID</span>, <span class="ident">label</span>: <span class="ident">RefCell</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Drawable</span><span class="op">></span><span class="op">></span>, } <span class="kw">impl</span> <span class="ident">DrawBuilding</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>( <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="ident">EventCtx</span>, <span class="ident">bldg</span>: <span class="kw-2">&</span><span class="ident">Building</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">cs</span>: <span class="kw-2">&</span><span class="ident">ColorScheme</span>, <span class="ident">opts</span>: <span class="kw-2">&</span><span class="ident">Options</span>, <span class="ident">bldg_batch</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GeomBatch</span>, <span class="ident">outlines_batch</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GeomBatch</span>, ) <span class="op">-</span><span class="op">></span> <span class="ident">DrawBuilding</span> { <span class="kw">let</span> <span class="ident">bldg_color</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">bldg</span>.<span class="ident">amenities</span>.<span class="ident">is_empty</span>() { <span class="ident">cs</span>.<span class="ident">residential_building</span> } <span class="kw">else</span> { <span class="ident">cs</span>.<span class="ident">commercial_building</span> }; <span class="kw">match</span> <span class="kw-2">&</span><span class="ident">opts</span>.<span class="ident">camera_angle</span> { <span class="ident">CameraAngle</span>::<span class="ident">TopDown</span> <span class="op">=</span><span class="op">></span> { <span class="ident">bldg_batch</span>.<span class="ident">push</span>(<span class="ident">bldg_color</span>, <span class="ident">bldg</span>.<span class="ident">polygon</span>.<span class="ident">clone</span>()); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">p</span>) <span class="op">=</span> <span class="ident">bldg</span>.<span class="ident">polygon</span>.<span class="ident">to_outline</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.1</span>)) { <span class="ident">outlines_batch</span>.<span class="ident">push</span>(<span class="ident">cs</span>.<span class="ident">building_outline</span>, <span class="ident">p</span>); } <span class="kw">let</span> <span class="ident">parking_icon</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">bldg</span>.<span class="ident">parking</span> { <span class="ident">OffstreetParking</span>::<span class="ident">PublicGarage</span>(<span class="kw">_</span>, <span class="kw">_</span>) <span class="op">=</span><span class="op">></span> <span class="bool-val">true</span>, <span class="ident">OffstreetParking</span>::<span class="ident">Private</span>(<span class="kw">_</span>, <span class="ident">garage</span>) <span class="op">=</span><span class="op">></span> <span class="ident">garage</span>, }; <span class="kw">if</span> <span class="ident">parking_icon</span> { <span class="comment">// Might need to scale down more for some buildings, but so far, this works</span> <span class="comment">// everywhere.</span> <span class="ident">bldg_batch</span>.<span class="ident">append</span>( <span class="ident">GeomBatch</span>::<span class="ident">load_svg</span>(<span class="ident">ctx</span>, <span class="string">"system/assets/map/parking.svg"</span>) .<span class="ident">scale</span>(<span class="number">0.1</span>) .<span class="ident">centered_on</span>(<span class="ident">bldg</span>.<span class="ident">label_center</span>), ); } } <span class="ident">CameraAngle</span>::<span class="ident">Abstract</span> <span class="op">=</span><span class="op">></span> { <span class="comment">// TODO The hitbox needs to change too</span> <span class="ident">bldg_batch</span>.<span class="ident">push</span>( <span class="ident">bldg_color</span>, <span class="ident">Polygon</span>::<span class="ident">rectangle_centered</span>( <span class="ident">bldg</span>.<span class="ident">polygon</span>.<span class="ident">center</span>(), <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">5.0</span>), <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">5.0</span>), ), ); } <span class="ident">x</span> <span class="op">=</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">angle</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">x</span> { <span class="ident">CameraAngle</span>::<span class="ident">IsometricNE</span> <span class="op">=</span><span class="op">></span> <span class="ident">Angle</span>::<span class="ident">degrees</span>(<span class="op">-</span><span class="number">45.0</span>), <span class="ident">CameraAngle</span>::<span class="ident">IsometricNW</span> <span class="op">=</span><span class="op">></span> <span class="ident">Angle</span>::<span class="ident">degrees</span>(<span class="op">-</span><span class="number">135.0</span>), <span class="ident">CameraAngle</span>::<span class="ident">IsometricSE</span> <span class="op">=</span><span class="op">></span> <span class="ident">Angle</span>::<span class="ident">degrees</span>(<span class="number">45.0</span>), <span class="ident">CameraAngle</span>::<span class="ident">IsometricSW</span> <span class="op">=</span><span class="op">></span> <span class="ident">Angle</span>::<span class="ident">degrees</span>(<span class="number">135.0</span>), <span class="ident">CameraAngle</span>::<span class="ident">TopDown</span> <span class="op">|</span> <span class="ident">CameraAngle</span>::<span class="ident">Abstract</span> <span class="op">=</span><span class="op">></span> <span class="macro">unreachable</span><span class="macro">!</span>(), }; <span class="kw">let</span> <span class="ident">bldg_height_per_level</span> <span class="op">=</span> <span class="number">3.5</span>; <span class="comment">// In downtown areas, really tall buildings look kind of ridculous next to</span> <span class="comment">// everything else. So we artifically compress the number of levels a bit.</span> <span class="kw">let</span> <span class="ident">bldg_rendered_meters</span> <span class="op">=</span> <span class="ident">bldg_height_per_level</span> <span class="op">*</span> <span class="ident">bldg</span>.<span class="ident">levels</span>.<span class="ident">powf</span>(<span class="number">0.8</span>); <span class="kw">let</span> <span class="ident">height</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="ident">bldg_rendered_meters</span>); <span class="kw">let</span> <span class="ident">map_bounds</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_gps_bounds</span>().<span class="ident">to_bounds</span>(); <span class="kw">let</span> (<span class="ident">map_width</span>, <span class="ident">map_height</span>) <span class="op">=</span> (<span class="ident">map_bounds</span>.<span class="ident">width</span>(), <span class="ident">map_bounds</span>.<span class="ident">height</span>()); <span class="kw">let</span> <span class="ident">map_length</span> <span class="op">=</span> <span class="ident">map_width</span>.<span class="ident">hypot</span>(<span class="ident">map_height</span>); <span class="kw">let</span> <span class="ident">distance</span> <span class="op">=</span> <span class="op">|</span><span class="ident">pt</span>: <span class="kw-2">&</span><span class="ident">Pt2D</span><span class="op">|</span> { <span class="comment">// some normalization so we can compute the distance to the corner of the</span> <span class="comment">// screen from which the orthographic projection is based.</span> <span class="kw">let</span> <span class="ident">projection_origin</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">x</span> { <span class="ident">CameraAngle</span>::<span class="ident">IsometricNE</span> <span class="op">=</span><span class="op">></span> <span class="ident">Pt2D</span>::<span class="ident">new</span>(<span class="number">0.0</span>, <span class="ident">map_height</span>), <span class="ident">CameraAngle</span>::<span class="ident">IsometricNW</span> <span class="op">=</span><span class="op">></span> <span class="ident">Pt2D</span>::<span class="ident">new</span>(<span class="ident">map_width</span>, <span class="ident">map_height</span>), <span class="ident">CameraAngle</span>::<span class="ident">IsometricSE</span> <span class="op">=</span><span class="op">></span> <span class="ident">Pt2D</span>::<span class="ident">new</span>(<span class="number">0.0</span>, <span class="number">0.0</span>), <span class="ident">CameraAngle</span>::<span class="ident">IsometricSW</span> <span class="op">=</span><span class="op">></span> <span class="ident">Pt2D</span>::<span class="ident">new</span>(<span class="ident">map_width</span>, <span class="number">0.0</span>), <span class="ident">CameraAngle</span>::<span class="ident">TopDown</span> <span class="op">|</span> <span class="ident">CameraAngle</span>::<span class="ident">Abstract</span> <span class="op">=</span><span class="op">></span> <span class="macro">unreachable</span><span class="macro">!</span>(), }; <span class="kw">let</span> <span class="ident">abs_pt</span> <span class="op">=</span> <span class="ident">Pt2D</span>::<span class="ident">new</span>( (<span class="ident">pt</span>.<span class="ident">x</span>() <span class="op">-</span> <span class="ident">projection_origin</span>.<span class="ident">x</span>()).<span class="ident">abs</span>(), (<span class="ident">pt</span>.<span class="ident">y</span>() <span class="op">-</span> <span class="ident">projection_origin</span>.<span class="ident">y</span>()).<span class="ident">abs</span>(), ); <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">f64</span>::<span class="ident">hypot</span>(<span class="ident">abs_pt</span>.<span class="ident">x</span>(), <span class="ident">abs_pt</span>.<span class="ident">y</span>()); <span class="kw">let</span> <span class="ident">theta</span> <span class="op">=</span> <span class="ident">f64</span>::<span class="ident">atan</span>(<span class="ident">abs_pt</span>.<span class="ident">y</span>() <span class="op">/</span> <span class="ident">abs_pt</span>.<span class="ident">x</span>()); <span class="kw">let</span> <span class="ident">distance</span> <span class="op">=</span> <span class="ident">a</span> <span class="op">*</span> <span class="ident">f64</span>::<span class="ident">sin</span>(<span class="ident">theta</span> <span class="op">+</span> <span class="ident">std</span>::<span class="ident">f64</span>::<span class="ident">consts</span>::<span class="ident">PI</span> <span class="op">/</span> <span class="number">4.0</span>); <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="ident">distance</span>) }; <span class="comment">// Things closer to the isometric axis should appear in front of things farther</span> <span class="comment">// away, so we give them a higher z-index.</span> <span class="comment">//</span> <span class="comment">// Naively, we compute the entire building's distance as the distance from its</span> <span class="comment">// closest point. This is simple and usually works, but will likely fail on more</span> <span class="comment">// complex building arrangements, e.g. if a building were tightly encircled by a</span> <span class="comment">// large building.</span> <span class="kw">let</span> <span class="ident">closest_pt</span> <span class="op">=</span> <span class="ident">bldg</span> .<span class="ident">polygon</span> .<span class="ident">points</span>() .<span class="ident">into_iter</span>() .<span class="ident">min_by</span>(<span class="op">|</span><span class="ident">a</span>, <span class="ident">b</span><span class="op">|</span> <span class="ident">distance</span>(<span class="ident">a</span>).<span class="ident">cmp</span>(<span class="kw-2">&</span><span class="ident">distance</span>(<span class="ident">b</span>))); <span class="kw">let</span> <span class="ident">distance_from_projection_axis</span> <span class="op">=</span> <span class="ident">closest_pt</span> .<span class="ident">map</span>(<span class="op">|</span><span class="ident">pt</span><span class="op">|</span> <span class="ident">distance</span>(<span class="ident">pt</span>).<span class="ident">inner_meters</span>()) .<span class="ident">unwrap_or</span>(<span class="number">0.0</span>); <span class="comment">// smaller z renders above larger</span> <span class="kw">let</span> <span class="ident">scale_factor</span> <span class="op">=</span> <span class="ident">map_length</span>; <span class="kw">let</span> <span class="ident">groundfloor_z</span> <span class="op">=</span> <span class="ident">distance_from_projection_axis</span> <span class="op">/</span> <span class="ident">scale_factor</span> <span class="op">-</span> <span class="number">1.0</span>; <span class="kw">let</span> <span class="ident">roof_z</span> <span class="op">=</span> <span class="ident">groundfloor_z</span> <span class="op">-</span> <span class="ident">height</span>.<span class="ident">inner_meters</span>() <span class="op">/</span> <span class="ident">scale_factor</span>; <span class="comment">// TODO Some buildings have holes in them</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">roof</span>) <span class="op">=</span> <span class="ident">Ring</span>::<span class="ident">new</span>( <span class="ident">bldg</span>.<span class="ident">polygon</span> .<span class="ident">points</span>() .<span class="ident">iter</span>() .<span class="ident">map</span>(<span class="op">|</span><span class="ident">pt</span><span class="op">|</span> <span class="ident">pt</span>.<span class="ident">project_away</span>(<span class="ident">height</span>, <span class="ident">angle</span>)) .<span class="ident">collect</span>(), ) { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">p</span>) <span class="op">=</span> <span class="ident">bldg</span>.<span class="ident">polygon</span>.<span class="ident">to_outline</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.3</span>)) { <span class="ident">bldg_batch</span>.<span class="ident">push</span>(<span class="ident">Color</span>::<span class="ident">BLACK</span>, <span class="ident">p</span>); } <span class="comment">// In actuality, the z of the walls should start at groundfloor_z and end at</span> <span class="comment">// roof_z, but since we aren't dealing with actual 3d geometries, we have to</span> <span class="comment">// pick one value. Anecdotally, picking a value between the two seems to</span> <span class="comment">// usually looks right, but probably breaks down in certain overlap scenarios.</span> <span class="kw">let</span> <span class="ident">wall_z</span> <span class="op">=</span> (<span class="ident">groundfloor_z</span> <span class="op">+</span> <span class="ident">roof_z</span>) <span class="op">/</span> <span class="number">2.0</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">wall_beams</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>(); <span class="kw">for</span> (<span class="ident">low</span>, <span class="ident">high</span>) <span class="kw">in</span> <span class="ident">bldg</span>.<span class="ident">polygon</span>.<span class="ident">points</span>().<span class="ident">iter</span>().<span class="ident">zip</span>(<span class="ident">roof</span>.<span class="ident">points</span>().<span class="ident">iter</span>()) { <span class="comment">// Sometimes building height is 0!</span> <span class="comment">// https://www.openstreetmap.org/way/390547658</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">l</span>) <span class="op">=</span> <span class="ident">Line</span>::<span class="ident">new</span>(<span class="kw-2">*</span><span class="ident">low</span>, <span class="kw-2">*</span><span class="ident">high</span>) { <span class="ident">wall_beams</span>.<span class="ident">push</span>(<span class="ident">l</span>); } } <span class="kw">let</span> <span class="ident">wall_color</span> <span class="op">=</span> <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">"#BBBEC3"</span>); <span class="kw">for</span> (<span class="ident">wall1</span>, <span class="ident">wall2</span>) <span class="kw">in</span> <span class="ident">wall_beams</span>.<span class="ident">iter</span>().<span class="ident">zip</span>(<span class="ident">wall_beams</span>.<span class="ident">iter</span>().<span class="ident">skip</span>(<span class="number">1</span>)) { <span class="ident">bldg_batch</span>.<span class="ident">push_with_z</span>( <span class="ident">wall_color</span>, <span class="ident">Ring</span>::<span class="ident">must_new</span>(<span class="macro">vec</span><span class="macro">!</span>[ <span class="ident">wall1</span>.<span class="ident">pt1</span>(), <span class="ident">wall1</span>.<span class="ident">pt2</span>(), <span class="ident">wall2</span>.<span class="ident">pt2</span>(), <span class="ident">wall2</span>.<span class="ident">pt1</span>(), <span class="ident">wall1</span>.<span class="ident">pt1</span>(), ]) .<span class="ident">to_polygon</span>(), <span class="ident">wall_z</span>, ); } <span class="kw">for</span> <span class="ident">wall</span> <span class="kw">in</span> <span class="ident">wall_beams</span> { <span class="ident">bldg_batch</span>.<span class="ident">push_with_z</span>( <span class="ident">Color</span>::<span class="ident">BLACK</span>, <span class="ident">wall</span>.<span class="ident">make_polygons</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.1</span>)), <span class="ident">wall_z</span>, ); } <span class="ident">bldg_batch</span>.<span class="ident">push_with_z</span>(<span class="ident">bldg_color</span>, <span class="ident">roof</span>.<span class="ident">clone</span>().<span class="ident">to_polygon</span>(), <span class="ident">roof_z</span>); <span class="ident">bldg_batch</span>.<span class="ident">push_with_z</span>( <span class="ident">Color</span>::<span class="ident">BLACK</span>, <span class="ident">roof</span>.<span class="ident">to_outline</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.3</span>)), <span class="ident">roof_z</span>, ); } <span class="kw">else</span> { <span class="ident">bldg_batch</span>.<span class="ident">push</span>(<span class="ident">bldg_color</span>, <span class="ident">bldg</span>.<span class="ident">polygon</span>.<span class="ident">clone</span>()); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">p</span>) <span class="op">=</span> <span class="ident">bldg</span>.<span class="ident">polygon</span>.<span class="ident">to_outline</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.1</span>)) { <span class="ident">outlines_batch</span>.<span class="ident">push</span>(<span class="ident">cs</span>.<span class="ident">building_outline</span>, <span class="ident">p</span>); } } } } <span class="ident">DrawBuilding</span> { <span class="ident">id</span>: <span class="ident">bldg</span>.<span class="ident">id</span>, <span class="ident">label</span>: <span class="ident">RefCell</span>::<span class="ident">new</span>(<span class="prelude-val">None</span>), } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">draw_driveway</span>( <span class="ident">bldg</span>: <span class="kw-2">&</span><span class="ident">Building</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">cs</span>: <span class="kw-2">&</span><span class="ident">ColorScheme</span>, <span class="ident">opts</span>: <span class="kw-2">&</span><span class="ident">Options</span>, <span class="ident">batch</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GeomBatch</span>, ) { <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">camera_angle</span> <span class="op">!</span><span class="op">=</span> <span class="ident">CameraAngle</span>::<span class="ident">Abstract</span> { <span class="comment">// Trim the driveway away from the sidewalk's center line, so that it doesn't overlap.</span> <span class="comment">// For now, this cleanup is visual; it doesn't belong in the map_model</span> <span class="comment">// layer.</span> <span class="kw">let</span> <span class="ident">orig_pl</span> <span class="op">=</span> <span class="kw-2">&</span><span class="ident">bldg</span>.<span class="ident">driveway_geom</span>; <span class="kw">let</span> <span class="ident">driveway</span> <span class="op">=</span> <span class="ident">orig_pl</span> .<span class="ident">slice</span>( <span class="ident">Distance</span>::<span class="ident">ZERO</span>, <span class="ident">orig_pl</span>.<span class="ident">length</span>() <span class="op">-</span> <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">bldg</span>.<span class="ident">sidewalk</span>()).<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>, ) .<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">pl</span>, <span class="kw">_</span>)<span class="op">|</span> <span class="ident">pl</span>) .<span class="ident">unwrap_or_else</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">orig_pl</span>.<span class="ident">clone</span>()); <span class="ident">batch</span>.<span class="ident">push</span>( <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">color_scheme</span> <span class="op">=</span><span class="op">=</span> <span class="ident">ColorSchemeChoice</span>::<span class="ident">NightMode</span> { <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">"#4B4B4B"</span>) } <span class="kw">else</span> { <span class="ident">cs</span>.<span class="ident">zoomed_road_surface</span>( <span class="ident">LaneType</span>::<span class="ident">Sidewalk</span>, <span class="ident">map</span>.<span class="ident">get_parent</span>(<span class="ident">bldg</span>.<span class="ident">sidewalk</span>()).<span class="ident">get_rank</span>(), ) }, <span class="ident">driveway</span>.<span class="ident">make_polygons</span>(<span class="ident">NORMAL_LANE_THICKNESS</span>), ); } } } <span class="kw">impl</span> <span class="ident">Renderable</span> <span class="kw">for</span> <span class="ident">DrawBuilding</span> { <span class="kw">fn</span> <span class="ident">get_id</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">ID</span> { <span class="ident">ID</span>::<span class="ident">Building</span>(<span class="self">self</span>.<span class="ident">id</span>) } <span class="kw">fn</span> <span class="ident">draw</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">app</span>: <span class="kw-2">&</span><span class="kw">dyn</span> <span class="ident">AppLike</span>, <span class="ident">opts</span>: <span class="kw-2">&</span><span class="ident">DrawOptions</span>) { <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">label_buildings</span> { <span class="comment">// Labels are expensive to compute up-front, so do it lazily, since we don't really</span> <span class="comment">// zoom in on all buildings in a single session anyway</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">label</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">label</span>.<span class="ident">borrow_mut</span>(); <span class="kw">if</span> <span class="ident">label</span>.<span class="ident">is_none</span>() { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">batch</span> <span class="op">=</span> <span class="ident">GeomBatch</span>::<span class="ident">new</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">map</span>().<span class="ident">get_b</span>(<span class="self">self</span>.<span class="ident">id</span>); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">a</span>) <span class="op">=</span> <span class="ident">b</span>.<span class="ident">amenities</span>.<span class="ident">iter</span>().<span class="ident">next</span>() { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">txt</span> <span class="op">=</span> <span class="ident">Text</span>::<span class="ident">from</span>( <span class="ident">Line</span>(<span class="ident">a</span>.<span class="ident">names</span>.<span class="ident">get</span>(<span class="ident">app</span>.<span class="ident">opts</span>().<span class="ident">language</span>.<span class="ident">as_ref</span>())).<span class="ident">fg</span>(<span class="ident">Color</span>::<span class="ident">BLACK</span>), ); <span class="kw">if</span> <span class="ident">b</span>.<span class="ident">amenities</span>.<span class="ident">len</span>() <span class="op">></span> <span class="number">1</span> { <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">" (+{})"</span>, <span class="ident">b</span>.<span class="ident">amenities</span>.<span class="ident">len</span>() <span class="op">-</span> <span class="number">1</span>)).<span class="ident">fg</span>(<span class="ident">Color</span>::<span class="ident">BLACK</span>)); } <span class="ident">batch</span>.<span class="ident">append</span>( <span class="ident">txt</span>.<span class="ident">render_autocropped</span>(<span class="ident">g</span>) .<span class="ident">scale</span>(<span class="number">0.1</span>) .<span class="ident">centered_on</span>(<span class="ident">b</span>.<span class="ident">label_center</span>), ); } <span class="kw-2">*</span><span class="ident">label</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">g</span>.<span class="ident">prerender</span>.<span class="ident">upload</span>(<span class="ident">batch</span>)); } <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="ident">label</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>()); } } <span class="comment">// Some buildings cover up tunnels</span> <span class="kw">fn</span> <span class="ident">get_zorder</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">isize</span> { <span class="number">0</span> } <span class="kw">fn</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-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Polygon</span> { <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_b</span>(<span class="self">self</span>.<span class="ident">id</span>); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">p</span>) <span class="op">=</span> <span class="ident">b</span>.<span class="ident">polygon</span>.<span class="ident">to_outline</span>(<span class="ident">OUTLINE_THICKNESS</span>) { <span class="ident">p</span> } <span class="kw">else</span> { <span class="ident">b</span>.<span class="ident">polygon</span>.<span class="ident">clone</span>() } } <span class="kw">fn</span> <span class="ident">contains_pt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">pt</span>: <span class="ident">Pt2D</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> { <span class="ident">map</span>.<span class="ident">get_b</span>(<span class="self">self</span>.<span class="ident">id</span>).<span class="ident">polygon</span>.<span class="ident">contains_pt</span>(<span class="ident">pt</span>) } } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="map_gui"></div> <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>