<!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 `game/src/sandbox/gameplay/tutorial.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>tutorial.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">
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</pre><pre class="rust">
<span class="kw">use</span> <span class="ident">std::collections::BTreeSet</span>;

<span class="kw">use</span> <span class="ident">abstio::MapName</span>;
<span class="kw">use</span> <span class="ident">abstutil::Timer</span>;
<span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">ArrowCap</span>, <span class="ident">Distance</span>, <span class="ident">Duration</span>, <span class="ident">PolyLine</span>, <span class="ident">Pt2D</span>, <span class="ident">Time</span>};
<span class="kw">use</span> <span class="ident">map_gui::load::MapLoader</span>;
<span class="kw">use</span> <span class="ident">map_gui::tools</span>::{<span class="ident">Minimap</span>, <span class="ident">PopupMsg</span>};
<span class="kw">use</span> <span class="ident">map_gui::ID</span>;
<span class="kw">use</span> <span class="ident">map_model::raw::OriginalRoad</span>;
<span class="kw">use</span> <span class="ident">map_model</span>::{<span class="ident">osm</span>, <span class="ident">BuildingID</span>, <span class="ident">Map</span>, <span class="ident">Position</span>};
<span class="kw">use</span> <span class="ident">sim</span>::{
    <span class="ident">AgentID</span>, <span class="ident">BorderSpawnOverTime</span>, <span class="ident">CarID</span>, <span class="ident">IndividTrip</span>, <span class="ident">PersonSpec</span>, <span class="ident">Scenario</span>, <span class="ident">ScenarioGenerator</span>,
    <span class="ident">SpawnOverTime</span>, <span class="ident">TripEndpoint</span>, <span class="ident">TripMode</span>, <span class="ident">TripPurpose</span>, <span class="ident">VehicleType</span>,
};
<span class="kw">use</span> <span class="ident">widgetry</span>::{
    <span class="ident">hotkeys</span>, <span class="ident">lctrl</span>, <span class="ident">Color</span>, <span class="ident">EventCtx</span>, <span class="ident">GeomBatch</span>, <span class="ident">GfxCtx</span>, <span class="ident">HorizontalAlignment</span>, <span class="ident">Image</span>, <span class="ident">Key</span>, <span class="ident">Line</span>,
    <span class="ident">Outcome</span>, <span class="ident">Panel</span>, <span class="ident">ScreenPt</span>, <span class="ident">State</span>, <span class="ident">Text</span>, <span class="ident">TextExt</span>, <span class="ident">VerticalAlignment</span>, <span class="ident">Widget</span>,
};

<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::app</span>::{<span class="ident">App</span>, <span class="ident">Transition</span>};
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::challenges::cutscene::CutsceneBuilder</span>;
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::common</span>::{<span class="ident">tool_panel</span>, <span class="ident">Warping</span>};
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::edit::EditMode</span>;
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::sandbox::gameplay</span>::{<span class="ident">GameplayMode</span>, <span class="ident">GameplayState</span>};
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::sandbox</span>::{
    <span class="ident">maybe_exit_sandbox</span>, <span class="ident">spawn_agents_around</span>, <span class="ident">Actions</span>, <span class="ident">MinimapController</span>, <span class="ident">SandboxControls</span>,
    <span class="ident">SandboxMode</span>, <span class="ident">TimePanel</span>,
};

<span class="kw">const</span> <span class="ident">ESCORT</span>: <span class="ident">CarID</span> <span class="op">=</span> <span class="ident">CarID</span> {
    <span class="ident">id</span>: <span class="number">0</span>,
    <span class="ident">vehicle_type</span>: <span class="ident">VehicleType::Car</span>,
};
<span class="kw">const</span> <span class="ident">CAR_BIKE_CONTENTION_GOAL</span>: <span class="ident">Duration</span> <span class="op">=</span> <span class="ident">Duration::const_seconds</span>(<span class="number">15.0</span>);

<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Tutorial</span> {
    <span class="ident">top_right</span>: <span class="ident">Panel</span>,
    <span class="ident">last_finished_task</span>: <span class="ident">Task</span>,

    <span class="ident">msg_panel</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Panel</span><span class="op">&gt;</span>,
    <span class="ident">warped</span>: <span class="ident">bool</span>,
}

<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TutorialPointer</span> {
    <span class="kw">pub</span> <span class="ident">stage</span>: <span class="ident">usize</span>,
    <span class="comment">// Index into messages. messages.len() means the actual task.</span>
    <span class="kw">pub</span> <span class="ident">part</span>: <span class="ident">usize</span>,
}

<span class="kw">impl</span> <span class="ident">TutorialPointer</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">stage</span>: <span class="ident">usize</span>, <span class="ident">part</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TutorialPointer</span> {
        <span class="ident">TutorialPointer</span> { <span class="ident">stage</span>, <span class="ident">part</span> }
    }
}

<span class="kw">impl</span> <span class="ident">Tutorial</span> {
    <span class="doccomment">/// Launches the tutorial gameplay along with its cutscene</span>
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">start</span>(<span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Transition</span> {
        <span class="ident">Transition::Push</span>(<span class="ident">MapLoader::new_state</span>(
            <span class="ident">ctx</span>,
            <span class="ident">app</span>,
            <span class="ident">MapName::seattle</span>(<span class="string">&quot;montlake&quot;</span>),
            <span class="ident">Box::new</span>(<span class="op">|</span><span class="ident">ctx</span>, <span class="ident">app</span><span class="op">|</span> {
                <span class="ident">Tutorial::initialize</span>(<span class="ident">ctx</span>, <span class="ident">app</span>);

                <span class="ident">Transition::Multi</span>(<span class="macro">vec!</span>[
                    <span class="ident">Transition::Pop</span>,
                    <span class="ident">Transition::Push</span>(<span class="ident">SandboxMode::simple_new</span>(
                        <span class="ident">app</span>,
                        <span class="ident">GameplayMode::Tutorial</span>(
                            <span class="ident">app</span>.<span class="ident">session</span>
                                .<span class="ident">tutorial</span>
                                .<span class="ident">as_ref</span>()
                                .<span class="ident">map</span>(<span class="op">|</span><span class="ident">tut</span><span class="op">|</span> <span class="ident">tut</span>.<span class="ident">current</span>)
                                .<span class="ident">unwrap_or_else</span>(<span class="op">|</span><span class="op">|</span> <span class="ident">TutorialPointer::new</span>(<span class="number">0</span>, <span class="number">0</span>)),
                        ),
                    )),
                    <span class="ident">Transition::Push</span>(<span class="ident">intro_story</span>(<span class="ident">ctx</span>)),
                ])
            }),
        ))
    }

    <span class="doccomment">/// Idempotent. This must be called before `make_gameplay` or `scenario`. The current map must</span>
    <span class="doccomment">/// be montlake.</span>
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">initialize</span>(<span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>) {
        <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span>.<span class="ident">is_none</span>() {
            <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">TutorialState::new</span>(<span class="ident">ctx</span>, <span class="ident">app</span>));
        }
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">make_gameplay</span>(
        <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>,
        <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>,
        <span class="ident">current</span>: <span class="ident">TutorialPointer</span>,
    ) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">GameplayState</span><span class="op">&gt;</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">tut</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span>.<span class="ident">take</span>().<span class="ident">unwrap</span>();
        <span class="ident">tut</span>.<span class="ident">current</span> <span class="op">=</span> <span class="ident">current</span>;
        <span class="kw">let</span> <span class="ident">state</span> <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">make_state</span>(<span class="ident">ctx</span>, <span class="ident">app</span>);
        <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">tut</span>);
        <span class="ident">state</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">scenario</span>(<span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>, <span class="ident">current</span>: <span class="ident">TutorialPointer</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">ScenarioGenerator</span><span class="op">&gt;</span> {
        <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>().<span class="ident">stages</span>[<span class="ident">current</span>.<span class="ident">stage</span>]
            .<span class="ident">make_scenario</span>
            .<span class="ident">clone</span>()
    }

    <span class="kw">fn</span> <span class="ident">inner_event</span>(
        <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>,
        <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>,
        <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>,
        <span class="ident">controls</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">SandboxControls</span>,
        <span class="ident">tut</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">TutorialState</span>,
    ) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Transition</span><span class="op">&gt;</span> {
        <span class="comment">// First of all, might need to initiate warping</span>
        <span class="kw">if</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">warped</span> {
            <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="kw-2">ref</span> <span class="ident">id</span>, <span class="ident">zoom</span>)) <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">stage</span>().<span class="ident">warp_to</span> {
                <span class="self">self</span>.<span class="ident">warped</span> <span class="op">=</span> <span class="bool-val">true</span>;
                <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">Transition::Push</span>(<span class="ident">Warping::new_state</span>(
                    <span class="ident">ctx</span>,
                    <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">canonical_point</span>(<span class="ident">id</span>.<span class="ident">clone</span>()).<span class="ident">unwrap</span>(),
                    <span class="prelude-val">Some</span>(<span class="ident">zoom</span>),
                    <span class="prelude-val">None</span>,
                    <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">app</span>.<span class="ident">primary</span>,
                )));
            }
        }

        <span class="kw">if</span> <span class="kw">let</span> <span class="ident">Outcome::Clicked</span>(<span class="ident">x</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">top_right</span>.<span class="ident">event</span>(<span class="ident">ctx</span>) {
            <span class="kw">match</span> <span class="ident">x</span>.<span class="ident">as_ref</span>() {
                <span class="string">&quot;Quit&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">maybe_exit_sandbox</span>(<span class="ident">ctx</span>));
                }
                <span class="string">&quot;previous tutorial&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="ident">tut</span>.<span class="ident">current</span> <span class="op">=</span> <span class="ident">TutorialPointer::new</span>(<span class="ident">tut</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">-</span> <span class="number">1</span>, <span class="number">0</span>);
                    <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
                }
                <span class="string">&quot;next tutorial&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="ident">tut</span>.<span class="ident">current</span> <span class="op">=</span> <span class="ident">TutorialPointer::new</span>(<span class="ident">tut</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">+</span> <span class="number">1</span>, <span class="number">0</span>);
                    <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
                }
                <span class="string">&quot;instructions&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="ident">tut</span>.<span class="ident">current</span> <span class="op">=</span> <span class="ident">TutorialPointer::new</span>(<span class="ident">tut</span>.<span class="ident">current</span>.<span class="ident">stage</span>, <span class="number">0</span>);
                    <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
                }
                <span class="string">&quot;edit map&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="comment">// TODO Ideally this would be an inactive button in message states</span>
                    <span class="kw">if</span> <span class="self">self</span>.<span class="ident">msg_panel</span>.<span class="ident">is_none</span>() {
                        <span class="kw">let</span> <span class="ident">mode</span> <span class="op">=</span> <span class="ident">GameplayMode::Tutorial</span>(<span class="ident">tut</span>.<span class="ident">current</span>);
                        <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">Transition::Push</span>(<span class="ident">EditMode::new_state</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="ident">mode</span>)));
                    }
                }
                <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="macro">unreachable!</span>(),
            }
        }

        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">msg</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">msg_panel</span> {
            <span class="kw">match</span> <span class="ident">msg</span>.<span class="ident">event</span>(<span class="ident">ctx</span>) {
                <span class="ident">Outcome::Clicked</span>(<span class="ident">x</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="kw">match</span> <span class="ident">x</span>.<span class="ident">as_ref</span>() {
                    <span class="string">&quot;previous message&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                        <span class="ident">tut</span>.<span class="ident">prev</span>();
                        <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
                    }
                    <span class="string">&quot;next message&quot;</span> <span class="op">|</span> <span class="string">&quot;Try it&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                        <span class="ident">tut</span>.<span class="ident">next</span>();
                        <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
                    }
                    <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="macro">unreachable!</span>(),
                },
                <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="comment">// Don&#39;t allow other interactions</span>
                    <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">Transition::Keep</span>);
                }
            }
        }

        <span class="comment">// Interaction things</span>
        <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::Camera</span> {
            <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">current_selection</span> <span class="op">=</span><span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">ID::Building</span>(<span class="ident">tut</span>.<span class="ident">fire_station</span>))
                <span class="op">&amp;&amp;</span> <span class="ident">app</span>.<span class="ident">per_obj</span>.<span class="ident">left_click</span>(<span class="ident">ctx</span>, <span class="string">&quot;put out the... fire?&quot;</span>)
            {
                <span class="ident">tut</span>.<span class="ident">next</span>();
                <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
            }
        } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::InspectObjects</span> {
            <span class="comment">// TODO Have to wiggle the mouse or something after opening the panel, because of the</span>
            <span class="comment">// order in SandboxMode.</span>
            <span class="kw">match</span> <span class="ident">controls</span>.<span class="ident">common</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>().<span class="ident">info_panel_open</span>(<span class="ident">app</span>) {
                <span class="prelude-val">Some</span>(<span class="ident">ID::Lane</span>(<span class="ident">l</span>)) <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">l</span>).<span class="ident">is_biking</span>() <span class="op">&amp;&amp;</span> <span class="op">!</span><span class="ident">tut</span>.<span class="ident">inspected_bike_lane</span> {
                        <span class="ident">tut</span>.<span class="ident">inspected_bike_lane</span> <span class="op">=</span> <span class="bool-val">true</span>;
                        <span class="self">self</span>.<span class="ident">top_right</span> <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="bool-val">false</span>);
                    }
                }
                <span class="prelude-val">Some</span>(<span class="ident">ID::Building</span>(<span class="kw">_</span>)) <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">if</span> <span class="op">!</span><span class="ident">tut</span>.<span class="ident">inspected_building</span> {
                        <span class="ident">tut</span>.<span class="ident">inspected_building</span> <span class="op">=</span> <span class="bool-val">true</span>;
                        <span class="self">self</span>.<span class="ident">top_right</span> <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="bool-val">false</span>);
                    }
                }
                <span class="prelude-val">Some</span>(<span class="ident">ID::Intersection</span>(<span class="ident">i</span>)) <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_i</span>(<span class="ident">i</span>);
                    <span class="kw">if</span> <span class="ident">i</span>.<span class="ident">is_stop_sign</span>() <span class="op">&amp;&amp;</span> <span class="op">!</span><span class="ident">tut</span>.<span class="ident">inspected_stop_sign</span> {
                        <span class="ident">tut</span>.<span class="ident">inspected_stop_sign</span> <span class="op">=</span> <span class="bool-val">true</span>;
                        <span class="self">self</span>.<span class="ident">top_right</span> <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="bool-val">false</span>);
                    }
                    <span class="kw">if</span> <span class="ident">i</span>.<span class="ident">is_border</span>() <span class="op">&amp;&amp;</span> <span class="op">!</span><span class="ident">tut</span>.<span class="ident">inspected_border</span> {
                        <span class="ident">tut</span>.<span class="ident">inspected_border</span> <span class="op">=</span> <span class="bool-val">true</span>;
                        <span class="self">self</span>.<span class="ident">top_right</span> <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="bool-val">false</span>);
                    }
                }
                <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> {}
            }
            <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">inspected_bike_lane</span>
                <span class="op">&amp;&amp;</span> <span class="ident">tut</span>.<span class="ident">inspected_building</span>
                <span class="op">&amp;&amp;</span> <span class="ident">tut</span>.<span class="ident">inspected_stop_sign</span>
                <span class="op">&amp;&amp;</span> <span class="ident">tut</span>.<span class="ident">inspected_border</span>
            {
                <span class="ident">tut</span>.<span class="ident">next</span>();
                <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
            }
        } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::TimeControls</span> {
            <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">time</span>() <span class="op">&gt;</span><span class="op">=</span> <span class="ident">Time::START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration::hours</span>(<span class="number">17</span>) {
                <span class="ident">tut</span>.<span class="ident">next</span>();
                <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
            }
        } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::PauseResume</span> {
            <span class="kw">let</span> <span class="ident">is_paused</span> <span class="op">=</span> <span class="ident">controls</span>.<span class="ident">time_panel</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>().<span class="ident">is_paused</span>();
            <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">was_paused</span> <span class="op">&amp;&amp;</span> <span class="op">!</span><span class="ident">is_paused</span> {
                <span class="ident">tut</span>.<span class="ident">was_paused</span> <span class="op">=</span> <span class="bool-val">false</span>;
            }
            <span class="kw">if</span> <span class="op">!</span><span class="ident">tut</span>.<span class="ident">was_paused</span> <span class="op">&amp;&amp;</span> <span class="ident">is_paused</span> {
                <span class="ident">tut</span>.<span class="ident">num_pauses</span> <span class="op">+</span><span class="op">=</span> <span class="number">1</span>;
                <span class="ident">tut</span>.<span class="ident">was_paused</span> <span class="op">=</span> <span class="bool-val">true</span>;
                <span class="self">self</span>.<span class="ident">top_right</span> <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="bool-val">false</span>);
            }
            <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">num_pauses</span> <span class="op">=</span><span class="op">=</span> <span class="number">3</span> {
                <span class="ident">tut</span>.<span class="ident">next</span>();
                <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
            }
        } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::Escort</span> {
            <span class="kw">let</span> <span class="ident">following_car</span> <span class="op">=</span>
                <span class="ident">controls</span>.<span class="ident">common</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>().<span class="ident">info_panel_open</span>(<span class="ident">app</span>) <span class="op">=</span><span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">ID::Car</span>(<span class="ident">ESCORT</span>));
            <span class="kw">let</span> <span class="ident">is_parked</span> <span class="op">=</span> <span class="ident">app</span>
                .<span class="ident">primary</span>
                .<span class="ident">sim</span>
                .<span class="ident">agent_to_trip</span>(<span class="ident">AgentID::Car</span>(<span class="ident">ESCORT</span>))
                .<span class="ident">is_none</span>();
            <span class="kw">if</span> <span class="op">!</span><span class="ident">tut</span>.<span class="ident">car_parked</span> <span class="op">&amp;&amp;</span> <span class="ident">is_parked</span> <span class="op">&amp;&amp;</span> <span class="ident">tut</span>.<span class="ident">following_car</span> {
                <span class="ident">tut</span>.<span class="ident">car_parked</span> <span class="op">=</span> <span class="bool-val">true</span>;
                <span class="self">self</span>.<span class="ident">top_right</span> <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="bool-val">false</span>);
            }

            <span class="kw">if</span> <span class="ident">following_car</span> <span class="op">&amp;&amp;</span> <span class="op">!</span><span class="ident">tut</span>.<span class="ident">following_car</span> {
                <span class="comment">// TODO There&#39;s a delay of one event before the checklist updates, because the</span>
                <span class="comment">// info panel opening happens at the end of the event. Not a big deal.</span>
                <span class="ident">tut</span>.<span class="ident">following_car</span> <span class="op">=</span> <span class="bool-val">true</span>;
                <span class="self">self</span>.<span class="ident">top_right</span> <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="bool-val">false</span>);
            }

            <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">prank_done</span> {
                <span class="ident">tut</span>.<span class="ident">next</span>();
                <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
            }
        } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::LowParking</span> {
            <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">parking_found</span> {
                <span class="ident">tut</span>.<span class="ident">next</span>();
                <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
            }
        } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::WatchBikes</span> {
            <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">time</span>() <span class="op">&gt;</span><span class="op">=</span> <span class="ident">Time::START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration::minutes</span>(<span class="number">3</span>) {
                <span class="ident">tut</span>.<span class="ident">next</span>();
                <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
            }
        } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::FixBikes</span> {
            <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">is_done</span>() {
                <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">before</span> <span class="op">=</span> <span class="ident">Duration::ZERO</span>;
                <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">after</span> <span class="op">=</span> <span class="ident">Duration::ZERO</span>;
                <span class="kw">for</span> (<span class="kw">_</span>, <span class="ident">b</span>, <span class="ident">a</span>, <span class="kw">_</span>) <span class="kw">in</span> <span class="ident">app</span>
                    .<span class="ident">primary</span>
                    .<span class="ident">sim</span>
                    .<span class="ident">get_analytics</span>()
                    .<span class="ident">both_finished_trips</span>(<span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">get_end_of_day</span>(), <span class="ident">app</span>.<span class="ident">prebaked</span>())
                {
                    <span class="ident">before</span> <span class="op">=</span> <span class="ident">before</span>.<span class="ident">max</span>(<span class="ident">b</span>);
                    <span class="ident">after</span> <span class="op">=</span> <span class="ident">after</span>.<span class="ident">max</span>(<span class="ident">a</span>);
                }
                <span class="kw">if</span> <span class="op">!</span><span class="ident">tut</span>.<span class="ident">score_delivered</span> {
                    <span class="ident">tut</span>.<span class="ident">score_delivered</span> <span class="op">=</span> <span class="bool-val">true</span>;
                    <span class="kw">if</span> <span class="ident">before</span> <span class="op">=</span><span class="op">=</span> <span class="ident">after</span> {
                        <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">Transition::Push</span>(<span class="ident">PopupMsg::new_state</span>(
                            <span class="ident">ctx</span>,
                            <span class="string">&quot;All trips completed&quot;</span>,
                            <span class="macro">vec!</span>[
                                <span class="string">&quot;Your changes didn&#39;t affect anything!&quot;</span>,
                                <span class="string">&quot;Try editing the map to create some bike lanes.&quot;</span>,
                            ],
                        )));
                    }
                    <span class="kw">if</span> <span class="ident">after</span> <span class="op">&gt;</span> <span class="ident">before</span> {
                        <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">Transition::Push</span>(<span class="ident">PopupMsg::new_state</span>(
                            <span class="ident">ctx</span>,
                            <span class="string">&quot;All trips completed&quot;</span>,
                            <span class="macro">vec!</span>[
                                <span class="string">&quot;Your changes made things worse!&quot;</span>.<span class="ident">to_string</span>(),
                                <span class="macro">format!</span>(
                                    <span class="string">&quot;All trips originally finished in {}, but now they took {}&quot;</span>,
                                    <span class="ident">before</span>, <span class="ident">after</span>
                                ),
                                <span class="string">&quot;&quot;</span>.<span class="ident">to_string</span>(),
                                <span class="string">&quot;Try again!&quot;</span>.<span class="ident">to_string</span>(),
                            ],
                        )));
                    }
                    <span class="kw">if</span> <span class="ident">before</span> <span class="op">-</span> <span class="ident">after</span> <span class="op">&lt;</span> <span class="ident">CAR_BIKE_CONTENTION_GOAL</span> {
                        <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">Transition::Push</span>(<span class="ident">PopupMsg::new_state</span>(
                            <span class="ident">ctx</span>,
                            <span class="string">&quot;All trips completed&quot;</span>,
                            <span class="macro">vec!</span>[
                                <span class="string">&quot;Nice, you helped things a bit!&quot;</span>.<span class="ident">to_string</span>(),
                                <span class="macro">format!</span>(
                                    <span class="string">&quot;All trips originally took {}, but now they took {}&quot;</span>,
                                    <span class="ident">before</span>, <span class="ident">after</span>
                                ),
                                <span class="string">&quot;&quot;</span>.<span class="ident">to_string</span>(),
                                <span class="string">&quot;See if you can do a little better though.&quot;</span>.<span class="ident">to_string</span>(),
                            ],
                        )));
                    }
                    <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">Transition::Push</span>(<span class="ident">PopupMsg::new_state</span>(
                        <span class="ident">ctx</span>,
                        <span class="string">&quot;All trips completed&quot;</span>,
                        <span class="macro">vec!</span>[<span class="macro">format!</span>(
                            <span class="string">&quot;Awesome! All trips originally took {}, but now they only took {}&quot;</span>,
                            <span class="ident">before</span>, <span class="ident">after</span>
                        )],
                    )));
                }
                <span class="kw">if</span> <span class="ident">before</span> <span class="op">-</span> <span class="ident">after</span> <span class="op">&gt;</span><span class="op">=</span> <span class="ident">CAR_BIKE_CONTENTION_GOAL</span> {
                    <span class="ident">tut</span>.<span class="ident">next</span>();
                }
                <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">transition</span>(<span class="ident">app</span>, <span class="ident">tut</span>));
            }
        } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::Done</span> {
            <span class="comment">// If the player chooses to stay here, at least go back to the message panel.</span>
            <span class="ident">tut</span>.<span class="ident">prev</span>();
            <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">maybe_exit_sandbox</span>(<span class="ident">ctx</span>));
        }

        <span class="prelude-val">None</span>
    }
}

<span class="kw">impl</span> <span class="ident">GameplayState</span> <span class="kw">for</span> <span class="ident">Tutorial</span> {
    <span class="kw">fn</span> <span class="ident">event</span>(
        <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>,
        <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>,
        <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>,
        <span class="ident">controls</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">SandboxControls</span>,
        <span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">Actions</span>,
    ) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Transition</span><span class="op">&gt;</span> {
        <span class="comment">// Dance around borrow-checker issues</span>
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">tut</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span>.<span class="ident">take</span>().<span class="ident">unwrap</span>();

        <span class="comment">// The arrows get screwy when window size changes.</span>
        <span class="kw">let</span> <span class="ident">window_dims</span> <span class="op">=</span> (<span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">window_width</span>, <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">window_height</span>);
        <span class="kw">if</span> <span class="ident">window_dims</span> <span class="op">!</span><span class="op">=</span> <span class="ident">tut</span>.<span class="ident">window_dims</span> {
            <span class="ident">tut</span>.<span class="ident">stages</span> <span class="op">=</span> <span class="ident">TutorialState::new</span>(<span class="ident">ctx</span>, <span class="ident">app</span>).<span class="ident">stages</span>;
            <span class="ident">tut</span>.<span class="ident">window_dims</span> <span class="op">=</span> <span class="ident">window_dims</span>;
        }

        <span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">inner_event</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="ident">controls</span>, <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">tut</span>);
        <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">tut</span>);
        <span class="ident">result</span>
    }

    <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>) {
        <span class="kw">let</span> <span class="ident">tut</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>();

        <span class="self">self</span>.<span class="ident">top_right</span>.<span class="ident">draw</span>(<span class="ident">g</span>);

        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">msg</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">msg_panel</span> {
            <span class="comment">// Arrows underneath the message panel, but on top of other panels</span>
            <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">msg</span>) <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">message</span>() {
                <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">fxn</span>) <span class="op">=</span> <span class="ident">msg</span>.<span class="ident">arrow</span> {
                    <span class="kw">let</span> <span class="ident">pt</span> <span class="op">=</span> (<span class="ident">fxn</span>)(<span class="ident">g</span>, <span class="ident">app</span>);
                    <span class="ident">g</span>.<span class="ident">fork_screenspace</span>();
                    <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">pl</span>) <span class="op">=</span> <span class="ident">PolyLine::new</span>(<span class="macro">vec!</span>[
                        <span class="self">self</span>.<span class="ident">msg_panel</span>
                            .<span class="ident">as_ref</span>()
                            .<span class="ident">unwrap</span>()
                            .<span class="ident">center_of</span>(<span class="string">&quot;next message&quot;</span>)
                            .<span class="ident">to_pt</span>(),
                        <span class="ident">pt</span>,
                    ]) {
                        <span class="ident">g</span>.<span class="ident">draw_polygon</span>(
                            <span class="ident">Color::RED</span>,
                            <span class="ident">pl</span>.<span class="ident">make_arrow</span>(<span class="ident">Distance::meters</span>(<span class="number">20.0</span>), <span class="ident">ArrowCap::Triangle</span>),
                        );
                    }
                    <span class="ident">g</span>.<span class="ident">unfork</span>();
                }
            }

            <span class="ident">msg</span>.<span class="ident">draw</span>(<span class="ident">g</span>);
        }

        <span class="comment">// Special things</span>
        <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::Camera</span> {
            <span class="kw">let</span> <span class="ident">fire</span> <span class="op">=</span> <span class="ident">GeomBatch::load_svg</span>(<span class="ident">g</span>, <span class="string">&quot;system/assets/tools/fire.svg&quot;</span>)
                .<span class="ident">scale</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">&lt;</span> <span class="ident">app</span>.<span class="ident">opts</span>.<span class="ident">min_zoom_for_detail</span> {
                    <span class="number">0.2</span>
                } <span class="kw">else</span> {
                    <span class="number">0.1</span>
                })
                .<span class="ident">autocrop</span>()
                .<span class="ident">centered_on</span>(<span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_b</span>(<span class="ident">tut</span>.<span class="ident">fire_station</span>).<span class="ident">polygon</span>.<span class="ident">polylabel</span>());
            <span class="kw">let</span> <span class="ident">offset</span> <span class="op">=</span> <span class="op">-</span><span class="ident">fire</span>.<span class="ident">get_dims</span>().<span class="ident">height</span> <span class="op">/</span> <span class="number">2.0</span>;
            <span class="ident">fire</span>.<span class="ident">translate</span>(<span class="number">0.0</span>, <span class="ident">offset</span>).<span class="ident">draw</span>(<span class="ident">g</span>);

            <span class="ident">g</span>.<span class="ident">draw_polygon</span>(
                <span class="ident">Color::hex</span>(<span class="string">&quot;#FEDE17&quot;</span>),
                <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_b</span>(<span class="ident">tut</span>.<span class="ident">fire_station</span>).<span class="ident">polygon</span>.<span class="ident">clone</span>(),
            );
        } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">tut</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::Escort</span> {
            <span class="ident">GeomBatch::load_svg</span>(<span class="ident">g</span>, <span class="string">&quot;system/assets/tools/star.svg&quot;</span>)
                .<span class="ident">scale</span>(<span class="number">0.1</span>)
                .<span class="ident">centered_on</span>(
                    <span class="ident">app</span>.<span class="ident">primary</span>
                        .<span class="ident">sim</span>
                        .<span class="ident">canonical_pt_for_agent</span>(<span class="ident">AgentID::Car</span>(<span class="ident">ESCORT</span>), <span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>)
                        .<span class="ident">unwrap</span>(),
                )
                .<span class="ident">draw</span>(<span class="ident">g</span>);
        }
    }

    <span class="kw">fn</span> <span class="ident">recreate_panels</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>) {
        <span class="kw">let</span> <span class="ident">tut</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>();
        <span class="self">self</span>.<span class="ident">top_right</span> <span class="op">=</span> <span class="ident">tut</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="self">self</span>.<span class="ident">last_finished_task</span> <span class="op">&gt;</span><span class="op">=</span> <span class="ident">Task::WatchBikes</span>);

        <span class="comment">// Time can&#39;t pass while self.msg_panel is active</span>
    }

    <span class="kw">fn</span> <span class="ident">can_move_canvas</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">bool</span> {
        <span class="self">self</span>.<span class="ident">msg_panel</span>.<span class="ident">is_none</span>()
    }
    <span class="kw">fn</span> <span class="ident">can_examine_objects</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">bool</span> {
        <span class="self">self</span>.<span class="ident">last_finished_task</span> <span class="op">&gt;</span><span class="op">=</span> <span class="ident">Task::WatchBikes</span>
    }
    <span class="kw">fn</span> <span class="ident">has_common</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">bool</span> {
        <span class="self">self</span>.<span class="ident">last_finished_task</span> <span class="op">&gt;</span><span class="op">=</span> <span class="ident">Task::Camera</span>
    }
    <span class="kw">fn</span> <span class="ident">has_tool_panel</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">bool</span> {
        <span class="bool-val">true</span>
    }
    <span class="kw">fn</span> <span class="ident">has_time_panel</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">bool</span> {
        <span class="self">self</span>.<span class="ident">last_finished_task</span> <span class="op">&gt;</span><span class="op">=</span> <span class="ident">Task::InspectObjects</span>
    }
    <span class="kw">fn</span> <span class="ident">has_minimap</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">bool</span> {
        <span class="self">self</span>.<span class="ident">last_finished_task</span> <span class="op">&gt;</span><span class="op">=</span> <span class="ident">Task::Escort</span>
    }
}

<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">PartialEq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Clone</span>, <span class="ident">Copy</span>)]</span>
<span class="kw">enum</span> <span class="ident">Task</span> {
    <span class="ident">Nil</span>,
    <span class="ident">Camera</span>,
    <span class="ident">InspectObjects</span>,
    <span class="ident">TimeControls</span>,
    <span class="ident">PauseResume</span>,
    <span class="ident">Escort</span>,
    <span class="ident">LowParking</span>,
    <span class="ident">WatchBikes</span>,
    <span class="ident">FixBikes</span>,
    <span class="ident">Done</span>,
}

<span class="kw">impl</span> <span class="ident">Task</span> {
    <span class="kw">fn</span> <span class="ident">top_txt</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>, <span class="ident">state</span>: <span class="kw-2">&amp;</span><span class="ident">TutorialState</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="kw">let</span> <span class="ident">hotkey_color</span> <span class="op">=</span> <span class="ident">ctx</span>.<span class="ident">style</span>().<span class="ident">text_hotkey_color</span>;

        <span class="kw">let</span> <span class="ident">simple</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span> {
            <span class="ident">Task::Nil</span> <span class="op">=</span><span class="op">&gt;</span> <span class="macro">unreachable!</span>(),
            <span class="ident">Task::Camera</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Put out the fire at the fire station&quot;</span>,
            <span class="ident">Task::InspectObjects</span> <span class="op">=</span><span class="op">&gt;</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::from</span>(<span class="string">&quot;Find one of each:&quot;</span>);
                <span class="kw">for</span> (<span class="ident">name</span>, <span class="ident">done</span>) <span class="kw">in</span> [
                    (<span class="string">&quot;bike lane&quot;</span>, <span class="ident">state</span>.<span class="ident">inspected_bike_lane</span>),
                    (<span class="string">&quot;building&quot;</span>, <span class="ident">state</span>.<span class="ident">inspected_building</span>),
                    (<span class="string">&quot;intersection with stop sign&quot;</span>, <span class="ident">state</span>.<span class="ident">inspected_stop_sign</span>),
                    (<span class="string">&quot;intersection on the map border&quot;</span>, <span class="ident">state</span>.<span class="ident">inspected_border</span>),
                ] {
                    <span class="kw">if</span> <span class="ident">done</span> {
                        <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="ident">Line</span>(<span class="macro">format!</span>(<span class="string">&quot;[X] {}&quot;</span>, <span class="ident">name</span>)).<span class="ident">fg</span>(<span class="ident">hotkey_color</span>));
                    } <span class="kw">else</span> {
                        <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="macro">format!</span>(<span class="string">&quot;[ ] {}&quot;</span>, <span class="ident">name</span>));
                    }
                }
                <span class="kw">return</span> <span class="ident">txt</span>;
            }
            <span class="ident">Task::TimeControls</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Wait until after 5pm&quot;</span>,
            <span class="ident">Task::PauseResume</span> <span class="op">=</span><span class="op">&gt;</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::from</span>(<span class="string">&quot;[ ] Pause/resume &quot;</span>);
                <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="macro">format!</span>(<span class="string">&quot;{} times&quot;</span>, <span class="number">3</span> <span class="op">-</span> <span class="ident">state</span>.<span class="ident">num_pauses</span>)).<span class="ident">fg</span>(<span class="ident">hotkey_color</span>));
                <span class="kw">return</span> <span class="ident">txt</span>;
            }
            <span class="ident">Task::Escort</span> <span class="op">=</span><span class="op">&gt;</span> {
                <span class="comment">// Inspect the target car, wait for them to park, draw WASH ME on the window</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::new</span>();
                <span class="kw">if</span> <span class="ident">state</span>.<span class="ident">following_car</span> {
                    <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="ident">Line</span>(<span class="string">&quot;[X] follow the target car&quot;</span>).<span class="ident">fg</span>(<span class="ident">hotkey_color</span>));
                } <span class="kw">else</span> {
                    <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="string">&quot;[ ] follow the target car&quot;</span>);
                }
                <span class="kw">if</span> <span class="ident">state</span>.<span class="ident">car_parked</span> {
                    <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="ident">Line</span>(<span class="string">&quot;[X] wait for them to park&quot;</span>).<span class="ident">fg</span>(<span class="ident">hotkey_color</span>));
                } <span class="kw">else</span> {
                    <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="string">&quot;[ ] wait for them to park&quot;</span>);
                }
                <span class="kw">if</span> <span class="ident">state</span>.<span class="ident">prank_done</span> {
                    <span class="ident">txt</span>.<span class="ident">add_line</span>(
                        <span class="ident">Line</span>(<span class="string">&quot;[X] click car and press c to draw WASH ME&quot;</span>).<span class="ident">fg</span>(<span class="ident">hotkey_color</span>),
                    );
                } <span class="kw">else</span> {
                    <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="string">&quot;[ ] click car and press &quot;</span>);
                    <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="ident">Key::C</span>.<span class="ident">describe</span>()).<span class="ident">fg</span>(<span class="ident">hotkey_color</span>));
                    <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="string">&quot; to draw WASH ME&quot;</span>));
                }
                <span class="kw">return</span> <span class="ident">txt</span>;
            }
            <span class="ident">Task::LowParking</span> <span class="op">=</span><span class="op">&gt;</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::from</span>(<span class="string">&quot;1) Find a road with almost no parking spots available&quot;</span>);
                <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="string">&quot;2) Click it and press &quot;</span>);
                <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="ident">Key::C</span>.<span class="ident">describe</span>()).<span class="ident">fg</span>(<span class="ident">hotkey_color</span>));
                <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="string">&quot; to check the occupancy&quot;</span>));
                <span class="kw">return</span> <span class="ident">txt</span>;
            }
            <span class="ident">Task::WatchBikes</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Watch for 3 minutes&quot;</span>,
            <span class="ident">Task::FixBikes</span> <span class="op">=</span><span class="op">&gt;</span> {
                <span class="kw">return</span> <span class="ident">Text::from</span>(<span class="macro">format!</span>(
                    <span class="string">&quot;[ ] Complete all trips {} faster&quot;</span>,
                    <span class="ident">CAR_BIKE_CONTENTION_GOAL</span>
                ));
            }
            <span class="ident">Task::Done</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Tutorial complete!&quot;</span>,
        };
        <span class="ident">Text::from</span>(<span class="ident">simple</span>)
    }

    <span class="kw">fn</span> <span class="ident">label</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span> {
        <span class="kw">match</span> <span class="self">self</span> {
            <span class="ident">Task::Nil</span> <span class="op">=</span><span class="op">&gt;</span> <span class="macro">unreachable!</span>(),
            <span class="ident">Task::Camera</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Moving the drone&quot;</span>,
            <span class="ident">Task::InspectObjects</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Interacting with objects&quot;</span>,
            <span class="ident">Task::TimeControls</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Passing the time&quot;</span>,
            <span class="ident">Task::PauseResume</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Pausing/resuming&quot;</span>,
            <span class="ident">Task::Escort</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Following people&quot;</span>,
            <span class="ident">Task::LowParking</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Exploring map layers&quot;</span>,
            <span class="ident">Task::WatchBikes</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Observing a problem&quot;</span>,
            <span class="ident">Task::FixBikes</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Editing lanes&quot;</span>,
            <span class="ident">Task::Done</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Tutorial complete!&quot;</span>,
        }
    }
}

<span class="kw">struct</span> <span class="ident">Stage</span> {
    <span class="ident">messages</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">Message</span><span class="op">&gt;</span>,
    <span class="ident">task</span>: <span class="ident">Task</span>,
    <span class="ident">warp_to</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span>(<span class="ident">ID</span>, <span class="ident">f64</span>)<span class="op">&gt;</span>,
    <span class="ident">custom_spawn</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">Fn</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>)<span class="op">&gt;</span><span class="op">&gt;</span>,
    <span class="ident">make_scenario</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">ScenarioGenerator</span><span class="op">&gt;</span>,
}

<span class="kw">struct</span> <span class="ident">Message</span> {
    <span class="ident">txt</span>: <span class="ident">Text</span>,
    <span class="ident">aligned</span>: <span class="ident">HorizontalAlignment</span>,
    <span class="ident">arrow</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">Fn</span>(<span class="kw-2">&amp;</span><span class="ident">GfxCtx</span>, <span class="kw-2">&amp;</span><span class="ident">App</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Pt2D</span><span class="op">&gt;</span><span class="op">&gt;</span>,
    <span class="ident">icon</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span><span class="op">&gt;</span>,
}

<span class="kw">impl</span> <span class="ident">Message</span> {
    <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">txt</span>: <span class="ident">Text</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Message</span> {
        <span class="ident">Message</span> {
            <span class="ident">txt</span>,
            <span class="ident">aligned</span>: <span class="ident">HorizontalAlignment::Center</span>,
            <span class="ident">arrow</span>: <span class="prelude-val">None</span>,
            <span class="ident">icon</span>: <span class="prelude-val">None</span>,
        }
    }

    <span class="kw">fn</span> <span class="ident">arrow</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">pt</span>: <span class="ident">ScreenPt</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Message</span> {
        <span class="self">self</span>.<span class="ident">arrow</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">Box::new</span>(<span class="kw">move</span> <span class="op">|</span><span class="kw">_</span>, <span class="kw">_</span><span class="op">|</span> <span class="ident">pt</span>.<span class="ident">to_pt</span>()));
        <span class="self">self</span>
    }

    <span class="kw">fn</span> <span class="ident">dynamic_arrow</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">arrow</span>: <span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">Fn</span>(<span class="kw-2">&amp;</span><span class="ident">GfxCtx</span>, <span class="kw-2">&amp;</span><span class="ident">App</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Pt2D</span><span class="op">&gt;</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Message</span> {
        <span class="self">self</span>.<span class="ident">arrow</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">arrow</span>);
        <span class="self">self</span>
    }

    <span class="kw">fn</span> <span class="ident">icon</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">path</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Message</span> {
        <span class="self">self</span>.<span class="ident">icon</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">path</span>);
        <span class="self">self</span>
    }

    <span class="kw">fn</span> <span class="ident">left_aligned</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Message</span> {
        <span class="self">self</span>.<span class="ident">aligned</span> <span class="op">=</span> <span class="ident">HorizontalAlignment::Left</span>;
        <span class="self">self</span>
    }
}

<span class="kw">impl</span> <span class="ident">Stage</span> {
    <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">task</span>: <span class="ident">Task</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Stage</span> {
        <span class="ident">Stage</span> {
            <span class="ident">messages</span>: <span class="ident">Vec::new</span>(),
            <span class="ident">task</span>,
            <span class="ident">warp_to</span>: <span class="prelude-val">None</span>,
            <span class="ident">custom_spawn</span>: <span class="prelude-val">None</span>,
            <span class="ident">make_scenario</span>: <span class="prelude-val">None</span>,
        }
    }

    <span class="kw">fn</span> <span class="ident">msg</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">msg</span>: <span class="ident">Message</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Stage</span> {
        <span class="self">self</span>.<span class="ident">messages</span>.<span class="ident">push</span>(<span class="ident">msg</span>);
        <span class="self">self</span>
    }

    <span class="kw">fn</span> <span class="ident">warp_to</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">id</span>: <span class="ident">ID</span>, <span class="ident">zoom</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">f64</span><span class="op">&gt;</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Stage</span> {
        <span class="macro">assert!</span>(<span class="self">self</span>.<span class="ident">warp_to</span>.<span class="ident">is_none</span>());
        <span class="self">self</span>.<span class="ident">warp_to</span> <span class="op">=</span> <span class="prelude-val">Some</span>((<span class="ident">id</span>, <span class="ident">zoom</span>.<span class="ident">unwrap_or</span>(<span class="number">4.0</span>)));
        <span class="self">self</span>
    }

    <span class="kw">fn</span> <span class="ident">custom_spawn</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">cb</span>: <span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">Fn</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>)<span class="op">&gt;</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Stage</span> {
        <span class="macro">assert!</span>(<span class="self">self</span>.<span class="ident">custom_spawn</span>.<span class="ident">is_none</span>());
        <span class="self">self</span>.<span class="ident">custom_spawn</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">cb</span>);
        <span class="self">self</span>
    }

    <span class="kw">fn</span> <span class="ident">scenario</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">generator</span>: <span class="ident">ScenarioGenerator</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Stage</span> {
        <span class="macro">assert!</span>(<span class="self">self</span>.<span class="ident">make_scenario</span>.<span class="ident">is_none</span>());
        <span class="self">self</span>.<span class="ident">make_scenario</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">generator</span>);
        <span class="self">self</span>
    }
}

<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TutorialState</span> {
    <span class="ident">stages</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">Stage</span><span class="op">&gt;</span>,
    <span class="kw">pub</span> <span class="ident">current</span>: <span class="ident">TutorialPointer</span>,

    <span class="ident">window_dims</span>: (<span class="ident">f64</span>, <span class="ident">f64</span>),

    <span class="comment">// Goofy state for just some stages.</span>
    <span class="ident">inspected_bike_lane</span>: <span class="ident">bool</span>,
    <span class="ident">inspected_building</span>: <span class="ident">bool</span>,
    <span class="ident">inspected_stop_sign</span>: <span class="ident">bool</span>,
    <span class="ident">inspected_border</span>: <span class="ident">bool</span>,

    <span class="ident">was_paused</span>: <span class="ident">bool</span>,
    <span class="ident">num_pauses</span>: <span class="ident">usize</span>,

    <span class="ident">following_car</span>: <span class="ident">bool</span>,
    <span class="ident">car_parked</span>: <span class="ident">bool</span>,
    <span class="ident">prank_done</span>: <span class="ident">bool</span>,

    <span class="ident">parking_found</span>: <span class="ident">bool</span>,

    <span class="ident">score_delivered</span>: <span class="ident">bool</span>,

    <span class="ident">fire_station</span>: <span class="ident">BuildingID</span>,
}

<span class="kw">fn</span> <span class="ident">make_bike_lane_scenario</span>(<span class="ident">map</span>: <span class="kw-2">&amp;</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">&gt;</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::empty</span>(<span class="string">&quot;car vs bike contention&quot;</span>);
    <span class="ident">s</span>.<span class="ident">border_spawn_over_time</span>.<span class="ident">push</span>(<span class="ident">BorderSpawnOverTime</span> {
        <span class="ident">num_peds</span>: <span class="number">0</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">percent_use_transit</span>: <span class="number">0.0</span>,
        <span class="ident">start_time</span>: <span class="ident">Time::START_OF_DAY</span>,
        <span class="ident">stop_time</span>: <span class="ident">Time::START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration::seconds</span>(<span class="number">10.0</span>),
        <span class="ident">start_from_border</span>: <span class="ident">map</span>.<span class="ident">find_i_by_osm_id</span>(<span class="ident">osm::NodeID</span>(<span class="number">3005680098</span>)).<span class="ident">unwrap</span>(),
        <span class="ident">goal</span>: <span class="prelude-val">Some</span>(<span class="ident">TripEndpoint::Bldg</span>(
            <span class="ident">map</span>.<span class="ident">find_b_by_osm_id</span>(<span class="ident">bldg</span>(<span class="number">217699501</span>)).<span class="ident">unwrap</span>(),
        )),
    });
    <span class="ident">s</span>
}

<span class="kw">fn</span> <span class="ident">transition</span>(<span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>, <span class="ident">tut</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">TutorialState</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Transition</span> {
    <span class="ident">tut</span>.<span class="ident">reset_state</span>();
    <span class="kw">let</span> <span class="ident">mode</span> <span class="op">=</span> <span class="ident">GameplayMode::Tutorial</span>(<span class="ident">tut</span>.<span class="ident">current</span>);
    <span class="ident">Transition::Replace</span>(<span class="ident">SandboxMode::simple_new</span>(<span class="ident">app</span>, <span class="ident">mode</span>))
}

<span class="kw">impl</span> <span class="ident">TutorialState</span> {
    <span class="comment">// These&#39;re mutex to each state, but still important to reset. Otherwise if you go back to a</span>
    <span class="comment">// previous interaction stage, it&#39;ll just be automatically marked done.</span>
    <span class="kw">fn</span> <span class="ident">reset_state</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>) {
        <span class="self">self</span>.<span class="ident">inspected_bike_lane</span> <span class="op">=</span> <span class="bool-val">false</span>;
        <span class="self">self</span>.<span class="ident">inspected_building</span> <span class="op">=</span> <span class="bool-val">false</span>;
        <span class="self">self</span>.<span class="ident">inspected_stop_sign</span> <span class="op">=</span> <span class="bool-val">false</span>;
        <span class="self">self</span>.<span class="ident">inspected_border</span> <span class="op">=</span> <span class="bool-val">false</span>;
        <span class="self">self</span>.<span class="ident">was_paused</span> <span class="op">=</span> <span class="bool-val">true</span>;
        <span class="self">self</span>.<span class="ident">num_pauses</span> <span class="op">=</span> <span class="number">0</span>;
        <span class="self">self</span>.<span class="ident">score_delivered</span> <span class="op">=</span> <span class="bool-val">false</span>;
        <span class="self">self</span>.<span class="ident">following_car</span> <span class="op">=</span> <span class="bool-val">false</span>;
        <span class="self">self</span>.<span class="ident">car_parked</span> <span class="op">=</span> <span class="bool-val">false</span>;
        <span class="self">self</span>.<span class="ident">prank_done</span> <span class="op">=</span> <span class="bool-val">false</span>;
        <span class="self">self</span>.<span class="ident">parking_found</span> <span class="op">=</span> <span class="bool-val">false</span>;
    }

    <span class="kw">fn</span> <span class="ident">stage</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="kw-2">&amp;</span><span class="ident">Stage</span> {
        <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">stages</span>[<span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span>]
    }

    <span class="kw">fn</span> <span class="ident">interaction</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Task</span> {
        <span class="kw">let</span> <span class="ident">stage</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">stage</span>();
        <span class="kw">if</span> <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">=</span><span class="op">=</span> <span class="ident">stage</span>.<span class="ident">messages</span>.<span class="ident">len</span>() {
            <span class="ident">stage</span>.<span class="ident">task</span>
        } <span class="kw">else</span> {
            <span class="ident">Task::Nil</span>
        }
    }
    <span class="kw">fn</span> <span class="ident">message</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="kw-2">&amp;</span><span class="ident">Message</span><span class="op">&gt;</span> {
        <span class="kw">let</span> <span class="ident">stage</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">stage</span>();
        <span class="kw">if</span> <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">=</span><span class="op">=</span> <span class="ident">stage</span>.<span class="ident">messages</span>.<span class="ident">len</span>() {
            <span class="prelude-val">None</span>
        } <span class="kw">else</span> {
            <span class="prelude-val">Some</span>(<span class="kw-2">&amp;</span><span class="ident">stage</span>.<span class="ident">messages</span>[<span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span>])
        }
    }

    <span class="kw">fn</span> <span class="ident">next</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>) {
        <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">+</span><span class="op">=</span> <span class="number">1</span>;
        <span class="kw">if</span> <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">=</span><span class="op">=</span> <span class="self">self</span>.<span class="ident">stage</span>().<span class="ident">messages</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">1</span> {
            <span class="self">self</span>.<span class="ident">current</span> <span class="op">=</span> <span class="ident">TutorialPointer::new</span>(<span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">+</span> <span class="number">1</span>, <span class="number">0</span>);
        }
    }
    <span class="kw">fn</span> <span class="ident">prev</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>) {
        <span class="kw">if</span> <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">=</span><span class="op">=</span> <span class="number">0</span> {
            <span class="self">self</span>.<span class="ident">current</span> <span class="op">=</span> <span class="ident">TutorialPointer::new</span>(
                <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">-</span> <span class="number">1</span>,
                <span class="self">self</span>.<span class="ident">stages</span>[<span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">-</span> <span class="number">1</span>].<span class="ident">messages</span>.<span class="ident">len</span>(),
            );
        } <span class="kw">else</span> {
            <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
        }
    }

    <span class="kw">fn</span> <span class="ident">make_top_right</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">edit_map</span>: <span class="ident">bool</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Panel</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">col</span> <span class="op">=</span> <span class="macro">vec!</span>[<span class="ident">Widget::row</span>(<span class="macro">vec!</span>[
            <span class="ident">Line</span>(<span class="string">&quot;Tutorial&quot;</span>).<span class="ident">small_heading</span>().<span class="ident">into_widget</span>(<span class="ident">ctx</span>),
            <span class="ident">Widget::vert_separator</span>(<span class="ident">ctx</span>, <span class="number">50.0</span>),
            <span class="ident">ctx</span>.<span class="ident">style</span>()
                .<span class="ident">btn_prev</span>()
                .<span class="ident">disabled</span>(<span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">=</span><span class="op">=</span> <span class="number">0</span>)
                .<span class="ident">build_widget</span>(<span class="ident">ctx</span>, <span class="string">&quot;previous tutorial&quot;</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::from</span>(<span class="macro">format!</span>(<span class="string">&quot;Task {}&quot;</span>, <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">+</span> <span class="number">1</span>));
                <span class="comment">// TODO Smaller font and use alpha for the &quot;/9&quot; part</span>
                <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="macro">format!</span>(<span class="string">&quot;/{}&quot;</span>, <span class="self">self</span>.<span class="ident">stages</span>.<span class="ident">len</span>())).<span class="ident">fg</span>(<span class="ident">Color::grey</span>(<span class="number">0.7</span>)));
                <span class="ident">txt</span>.<span class="ident">into_widget</span>(<span class="ident">ctx</span>)
            },
            <span class="ident">ctx</span>.<span class="ident">style</span>()
                .<span class="ident">btn_next</span>()
                .<span class="ident">disabled</span>(<span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">=</span><span class="op">=</span> <span class="self">self</span>.<span class="ident">stages</span>.<span class="ident">len</span>() <span class="op">-</span> <span class="number">1</span>)
                .<span class="ident">build_widget</span>(<span class="ident">ctx</span>, <span class="string">&quot;next tutorial&quot;</span>),
            <span class="ident">ctx</span>.<span class="ident">style</span>().<span class="ident">btn_outline</span>.<span class="ident">text</span>(<span class="string">&quot;Quit&quot;</span>).<span class="ident">build_def</span>(<span class="ident">ctx</span>),
        ])
        .<span class="ident">centered</span>()];
        {
            <span class="kw">let</span> <span class="ident">task</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">interaction</span>();
            <span class="kw">if</span> <span class="ident">task</span> <span class="op">!</span><span class="op">=</span> <span class="ident">Task::Nil</span> {
                <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Widget::row</span>(<span class="macro">vec!</span>[
                    <span class="ident">Text::from</span>(
                        <span class="ident">Line</span>(<span class="macro">format!</span>(
                            <span class="string">&quot;Task {}: {}&quot;</span>,
                            <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">+</span> <span class="number">1</span>,
                            <span class="self">self</span>.<span class="ident">stage</span>().<span class="ident">task</span>.<span class="ident">label</span>()
                        ))
                        .<span class="ident">small_heading</span>(),
                    )
                    .<span class="ident">into_widget</span>(<span class="ident">ctx</span>),
                    <span class="comment">// TODO also text saying &quot;instructions&quot;... can we layout two things easily to</span>
                    <span class="comment">// make a button?</span>
                    <span class="ident">ctx</span>.<span class="ident">style</span>()
                        .<span class="ident">btn_plain</span>
                        .<span class="ident">icon</span>(<span class="string">&quot;system/assets/tools/info.svg&quot;</span>)
                        .<span class="ident">build_widget</span>(<span class="ident">ctx</span>, <span class="string">&quot;instructions&quot;</span>)
                        .<span class="ident">centered_vert</span>()
                        .<span class="ident">align_right</span>(),
                ]));
                <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">task</span>.<span class="ident">top_txt</span>(<span class="ident">ctx</span>, <span class="self">self</span>).<span class="ident">into_widget</span>(<span class="ident">ctx</span>));
            }
        }
        <span class="kw">if</span> <span class="ident">edit_map</span> {
            <span class="ident">col</span>.<span class="ident">push</span>(
                <span class="ident">ctx</span>.<span class="ident">style</span>()
                    .<span class="ident">btn_outline</span>
                    .<span class="ident">icon_text</span>(<span class="string">&quot;system/assets/tools/pencil.svg&quot;</span>, <span class="string">&quot;Edit map&quot;</span>)
                    .<span class="ident">hotkey</span>(<span class="ident">lctrl</span>(<span class="ident">Key::E</span>))
                    .<span class="ident">build_widget</span>(<span class="ident">ctx</span>, <span class="string">&quot;edit map&quot;</span>),
            );
        }

        <span class="ident">Panel::new_builder</span>(<span class="ident">Widget::col</span>(<span class="ident">col</span>))
            .<span class="ident">aligned</span>(<span class="ident">HorizontalAlignment::Right</span>, <span class="ident">VerticalAlignment::Top</span>)
            .<span class="ident">build</span>(<span class="ident">ctx</span>)
    }

    <span class="kw">fn</span> <span class="ident">make_state</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">GameplayState</span><span class="op">&gt;</span> {
        <span class="kw">if</span> <span class="self">self</span>.<span class="ident">interaction</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">Task::Nil</span> {
            <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">current_selection</span> <span class="op">=</span> <span class="prelude-val">None</span>;
        }

        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">cb</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">stage</span>().<span class="ident">custom_spawn</span> {
            (<span class="ident">cb</span>)(<span class="ident">app</span>);
            <span class="ident">app</span>.<span class="ident">primary</span>
                .<span class="ident">sim</span>
                .<span class="ident">tiny_step</span>(<span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>, <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim_cb</span>);
        }
        <span class="comment">// If this stage has a scenario, it&#39;s instantiated when SandboxMode gets created.</span>

        <span class="kw">let</span> <span class="ident">last_finished_task</span> <span class="op">=</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">=</span><span class="op">=</span> <span class="number">0</span> {
            <span class="ident">Task::Nil</span>
        } <span class="kw">else</span> {
            <span class="self">self</span>.<span class="ident">stages</span>[<span class="self">self</span>.<span class="ident">current</span>.<span class="ident">stage</span> <span class="op">-</span> <span class="number">1</span>].<span class="ident">task</span>
        };

        <span class="ident">Box::new</span>(<span class="ident">Tutorial</span> {
            <span class="ident">top_right</span>: <span class="self">self</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="ident">last_finished_task</span> <span class="op">&gt;</span><span class="op">=</span> <span class="ident">Task::WatchBikes</span>),
            <span class="ident">last_finished_task</span>,

            <span class="ident">msg_panel</span>: <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">msg</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">message</span>() {
                <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">col</span> <span class="op">=</span> <span class="macro">vec!</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::new</span>();
                    <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="ident">Line</span>(<span class="self">self</span>.<span class="ident">stage</span>().<span class="ident">task</span>.<span class="ident">label</span>()).<span class="ident">small_heading</span>());
                    <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="string">&quot;&quot;</span>);
                    <span class="ident">txt</span>.<span class="ident">into_widget</span>(<span class="ident">ctx</span>)
                }];
                <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">icon</span>) <span class="op">=</span> <span class="ident">msg</span>.<span class="ident">icon</span> {
                    <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Image::from_path</span>(<span class="ident">icon</span>).<span class="ident">dims</span>(<span class="number">30.0</span>).<span class="ident">into_widget</span>(<span class="ident">ctx</span>));
                }
                <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">msg</span>.<span class="ident">txt</span>.<span class="ident">clone</span>().<span class="ident">wrap_to_pct</span>(<span class="ident">ctx</span>, <span class="number">30</span>).<span class="ident">into_widget</span>(<span class="ident">ctx</span>));
                <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">controls</span> <span class="op">=</span> <span class="macro">vec!</span>[<span class="ident">Widget::row</span>(<span class="macro">vec!</span>[
                    <span class="ident">ctx</span>.<span class="ident">style</span>()
                        .<span class="ident">btn_prev</span>()
                        .<span class="ident">disabled</span>(<span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">=</span><span class="op">=</span> <span class="number">0</span>)
                        .<span class="ident">hotkey</span>(<span class="ident">Key::LeftArrow</span>)
                        .<span class="ident">build_widget</span>(<span class="ident">ctx</span>, <span class="string">&quot;previous message&quot;</span>),
                    <span class="macro">format!</span>(<span class="string">&quot;{}/{}&quot;</span>, <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">+</span> <span class="number">1</span>, <span class="self">self</span>.<span class="ident">stage</span>().<span class="ident">messages</span>.<span class="ident">len</span>())
                        .<span class="ident">text_widget</span>(<span class="ident">ctx</span>)
                        .<span class="ident">centered_vert</span>(),
                    <span class="ident">ctx</span>.<span class="ident">style</span>()
                        .<span class="ident">btn_next</span>()
                        .<span class="ident">disabled</span>(<span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">=</span><span class="op">=</span> <span class="self">self</span>.<span class="ident">stage</span>().<span class="ident">messages</span>.<span class="ident">len</span>() <span class="op">-</span> <span class="number">1</span>)
                        .<span class="ident">hotkey</span>(<span class="ident">Key::RightArrow</span>)
                        .<span class="ident">build_widget</span>(<span class="ident">ctx</span>, <span class="string">&quot;next message&quot;</span>),
                ])];
                <span class="kw">if</span> <span class="self">self</span>.<span class="ident">current</span>.<span class="ident">part</span> <span class="op">=</span><span class="op">=</span> <span class="self">self</span>.<span class="ident">stage</span>().<span class="ident">messages</span>.<span class="ident">len</span>() <span class="op">-</span> <span class="number">1</span> {
                    <span class="ident">controls</span>.<span class="ident">push</span>(
                        <span class="ident">ctx</span>.<span class="ident">style</span>()
                            .<span class="ident">btn_solid_primary</span>
                            .<span class="ident">text</span>(<span class="string">&quot;Try it&quot;</span>)
                            .<span class="ident">hotkey</span>(<span class="ident">hotkeys</span>(<span class="macro">vec!</span>[<span class="ident">Key::RightArrow</span>, <span class="ident">Key::Space</span>, <span class="ident">Key::Enter</span>]))
                            .<span class="ident">build_def</span>(<span class="ident">ctx</span>),
                    );
                }
                <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Widget::col</span>(<span class="ident">controls</span>).<span class="ident">align_bottom</span>());

                <span class="prelude-val">Some</span>(
                    <span class="ident">Panel::new_builder</span>(<span class="ident">Widget::col</span>(<span class="ident">col</span>).<span class="ident">outline</span>((<span class="number">5.0</span>, <span class="ident">Color::WHITE</span>)))
                        .<span class="ident">exact_size_percent</span>(<span class="number">40</span>, <span class="number">40</span>)
                        .<span class="ident">aligned</span>(<span class="ident">msg</span>.<span class="ident">aligned</span>, <span class="ident">VerticalAlignment::Center</span>)
                        .<span class="ident">build</span>(<span class="ident">ctx</span>),
                )
            } <span class="kw">else</span> {
                <span class="prelude-val">None</span>
            },
            <span class="ident">warped</span>: <span class="bool-val">false</span>,
        })
    }

    <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TutorialState</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">state</span> <span class="op">=</span> <span class="ident">TutorialState</span> {
            <span class="ident">stages</span>: <span class="ident">Vec::new</span>(),
            <span class="ident">current</span>: <span class="ident">TutorialPointer::new</span>(<span class="number">0</span>, <span class="number">0</span>),
            <span class="ident">window_dims</span>: (<span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">window_width</span>, <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">window_height</span>),

            <span class="ident">inspected_bike_lane</span>: <span class="bool-val">false</span>,
            <span class="ident">inspected_building</span>: <span class="bool-val">false</span>,
            <span class="ident">inspected_stop_sign</span>: <span class="bool-val">false</span>,
            <span class="ident">inspected_border</span>: <span class="bool-val">false</span>,
            <span class="ident">was_paused</span>: <span class="bool-val">true</span>,
            <span class="ident">num_pauses</span>: <span class="number">0</span>,
            <span class="ident">following_car</span>: <span class="bool-val">false</span>,
            <span class="ident">car_parked</span>: <span class="bool-val">false</span>,
            <span class="ident">prank_done</span>: <span class="bool-val">false</span>,
            <span class="ident">parking_found</span>: <span class="bool-val">false</span>,
            <span class="ident">score_delivered</span>: <span class="bool-val">false</span>,

            <span class="ident">fire_station</span>: <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">find_b_by_osm_id</span>(<span class="ident">bldg</span>(<span class="number">731238736</span>)).<span class="ident">unwrap</span>(),
        };

        <span class="kw">let</span> <span class="ident">tool_panel</span> <span class="op">=</span> <span class="ident">tool_panel</span>(<span class="ident">ctx</span>);
        <span class="kw">let</span> <span class="ident">time</span> <span class="op">=</span> <span class="ident">TimePanel::new</span>(<span class="ident">ctx</span>, <span class="ident">app</span>);
        <span class="comment">// The minimap is hidden at low zoom levels</span>
        <span class="kw">let</span> <span class="ident">orig_zoom</span> <span class="op">=</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span>;
        <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op">=</span> <span class="number">100.0</span>;
        <span class="kw">let</span> <span class="ident">minimap</span> <span class="op">=</span> <span class="ident">Minimap::new</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="ident">MinimapController</span>);
        <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op">=</span> <span class="ident">orig_zoom</span>;

        <span class="kw">let</span> <span class="ident">map</span> <span class="op">=</span> <span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>;

        <span class="ident">state</span>.<span class="ident">stages</span>.<span class="ident">push</span>(
            <span class="ident">Stage::new</span>(<span class="ident">Task::Camera</span>)
                .<span class="ident">warp_to</span>(
                    <span class="ident">ID::Intersection</span>(<span class="ident">map</span>.<span class="ident">find_i_by_osm_id</span>(<span class="ident">osm::NodeID</span>(<span class="number">53096945</span>)).<span class="ident">unwrap</span>()),
                    <span class="prelude-val">None</span>,
                )
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                    <span class="string">&quot;Let&#39;s start by piloting your fancy new drone.&quot;</span>,
                    <span class="string">&quot;&quot;</span>,
                    <span class="string">&quot;- Click and drag to pan around the map&quot;</span>,
                    <span class="string">&quot;- Use your scroll wheel or touchpad to zoom in and out.&quot;</span>,
                ])))
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from</span>(
                        <span class="string">&quot;If the controls feel wrong, try adjusting the settings.&quot;</span>,
                    ))
                    .<span class="ident">arrow</span>(<span class="ident">tool_panel</span>.<span class="ident">center_of</span>(<span class="string">&quot;settings&quot;</span>)),
                )
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                    <span class="string">&quot;Let&#39;s try the drone ou--&quot;</span>,
                    <span class="string">&quot;&quot;</span>,
                    <span class="string">&quot;WHOA, THERE&#39;S A FIRE STATION ON FIRE!&quot;</span>,
                    <span class="string">&quot;GO CLICK ON IT, QUICK!&quot;</span>,
                ])))
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                    <span class="string">&quot;Hint:&quot;</span>,
                    <span class="string">&quot;- Look around for an unusually red building&quot;</span>,
                    <span class="string">&quot;- You have to zoom in to interact with anything on the map.&quot;</span>,
                ]))),
        );

        <span class="ident">state</span>.<span class="ident">stages</span>.<span class="ident">push</span>(
            <span class="ident">Stage::new</span>(<span class="ident">Task::InspectObjects</span>)
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from</span>(
                    <span class="string">&quot;What, no fire? Er, sorry about that. Just a little joke we like to play on \
                     the new recruits.&quot;</span>,
                )))
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                    <span class="string">&quot;Now, let&#39;s learn how to inspect and interact with objects in the map.&quot;</span>,
                    <span class="string">&quot;&quot;</span>,
                    <span class="string">&quot;Find one of each:&quot;</span>,
                    <span class="string">&quot;[ ] bike lane&quot;</span>,
                    <span class="string">&quot;[ ] building&quot;</span>,
                    <span class="string">&quot;[ ] intersection with stop sign&quot;</span>,
                    <span class="string">&quot;[ ] intersection on the map border&quot;</span>,
                    <span class="string">&quot;- Hint: You have to zoom in before you can select anything.&quot;</span>,
                ]))),
        );

        <span class="ident">state</span>.<span class="ident">stages</span>.<span class="ident">push</span>(
            <span class="ident">Stage::new</span>(<span class="ident">Task::TimeControls</span>)
                .<span class="ident">warp_to</span>(
                    <span class="ident">ID::Intersection</span>(<span class="ident">map</span>.<span class="ident">find_i_by_osm_id</span>(<span class="ident">osm::NodeID</span>(<span class="number">53096945</span>)).<span class="ident">unwrap</span>()),
                    <span class="prelude-val">Some</span>(<span class="number">6.5</span>),
                )
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                        <span class="string">&quot;Inspection complete!&quot;</span>,
                        <span class="string">&quot;&quot;</span>,
                        <span class="string">&quot;You&#39;ll work day and night, watching traffic patterns unfold.&quot;</span>,
                    ]))
                    .<span class="ident">arrow</span>(<span class="ident">time</span>.<span class="ident">panel</span>.<span class="ident">center_of_panel</span>()),
                )
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</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::from</span>(<span class="ident">Line</span>(<span class="string">&quot;You can pause or resume time&quot;</span>));
                        <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="string">&quot;&quot;</span>);
                        <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="string">&quot;Hint: Press &quot;</span>);
                        <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="ident">Key::Space</span>.<span class="ident">describe</span>()).<span class="ident">fg</span>(<span class="ident">ctx</span>.<span class="ident">style</span>().<span class="ident">text_hotkey_color</span>));
                        <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="string">&quot; to pause/resume&quot;</span>));
                        <span class="ident">txt</span>
                    })
                    .<span class="ident">arrow</span>(<span class="ident">time</span>.<span class="ident">panel</span>.<span class="ident">center_of</span>(<span class="string">&quot;pause&quot;</span>))
                    .<span class="ident">icon</span>(<span class="string">&quot;system/assets/speed/pause.svg&quot;</span>),
                )
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</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::from</span>(<span class="ident">Line</span>(<span class="string">&quot;Speed things up&quot;</span>));
                        <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="string">&quot;&quot;</span>);
                        <span class="ident">txt</span>.<span class="ident">add_line</span>(<span class="string">&quot;Hint: Press &quot;</span>);
                        <span class="ident">txt</span>.<span class="ident">append</span>(
                            <span class="ident">Line</span>(<span class="ident">Key::LeftArrow</span>.<span class="ident">describe</span>()).<span class="ident">fg</span>(<span class="ident">ctx</span>.<span class="ident">style</span>().<span class="ident">text_hotkey_color</span>),
                        );
                        <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="string">&quot; to slow down, &quot;</span>));
                        <span class="ident">txt</span>.<span class="ident">append</span>(
                            <span class="ident">Line</span>(<span class="ident">Key::RightArrow</span>.<span class="ident">describe</span>()).<span class="ident">fg</span>(<span class="ident">ctx</span>.<span class="ident">style</span>().<span class="ident">text_hotkey_color</span>),
                        );
                        <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="string">&quot; to speed up&quot;</span>));
                        <span class="ident">txt</span>
                    })
                    .<span class="ident">arrow</span>(<span class="ident">time</span>.<span class="ident">panel</span>.<span class="ident">center_of</span>(<span class="string">&quot;30x speed&quot;</span>))
                    .<span class="ident">icon</span>(<span class="string">&quot;system/assets/speed/triangle.svg&quot;</span>),
                )
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from</span>(<span class="string">&quot;Advance time by certain amounts&quot;</span>))
                        .<span class="ident">arrow</span>(<span class="ident">time</span>.<span class="ident">panel</span>.<span class="ident">center_of</span>(<span class="string">&quot;step forwards&quot;</span>)),
                )
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from</span>(<span class="string">&quot;And jump to the beginning of the day&quot;</span>))
                        .<span class="ident">arrow</span>(<span class="ident">time</span>.<span class="ident">panel</span>.<span class="ident">center_of</span>(<span class="string">&quot;reset to midnight&quot;</span>))
                        .<span class="ident">icon</span>(<span class="string">&quot;system/assets/speed/reset.svg&quot;</span>),
                )
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from</span>(
                    <span class="string">&quot;Let&#39;s try these controls out. Wait until 5pm or later.&quot;</span>,
                ))),
        );

        <span class="ident">state</span>.<span class="ident">stages</span>.<span class="ident">push</span>(
            <span class="ident">Stage::new</span>(<span class="ident">Task::PauseResume</span>)
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from</span>(
                    <span class="string">&quot;Whew, that took a while! (Hopefully not though...)&quot;</span>,
                )))
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                        <span class="string">&quot;You might&#39;ve figured it out already,&quot;</span>,
                        <span class="string">&quot;But you&#39;ll be pausing/resuming time VERY frequently&quot;</span>,
                    ]))
                    .<span class="ident">arrow</span>(<span class="ident">time</span>.<span class="ident">panel</span>.<span class="ident">center_of</span>(<span class="string">&quot;pause&quot;</span>))
                    .<span class="ident">icon</span>(<span class="string">&quot;system/assets/speed/pause.svg&quot;</span>),
                )
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from</span>(
                    <span class="string">&quot;Just reassure me and pause/resume time a few times, alright?&quot;</span>,
                ))),
        );

        <span class="ident">state</span>.<span class="ident">stages</span>.<span class="ident">push</span>(
            <span class="ident">Stage::new</span>(<span class="ident">Task::Escort</span>)
                <span class="comment">// Don&#39;t center on where the agents are, be a little offset</span>
                .<span class="ident">warp_to</span>(
                    <span class="ident">ID::Building</span>(<span class="ident">map</span>.<span class="ident">find_b_by_osm_id</span>(<span class="ident">bldg</span>(<span class="number">217699780</span>)).<span class="ident">unwrap</span>()),
                    <span class="prelude-val">Some</span>(<span class="number">10.0</span>),
                )
                .<span class="ident">custom_spawn</span>(<span class="ident">Box::new</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">app</span><span class="op">|</span> {
                    <span class="comment">// Seed a specific target car, and fill up the target building&#39;s private</span>
                    <span class="comment">// parking to force the target to park on-street.</span>
                    <span class="kw">let</span> <span class="ident">map</span> <span class="op">=</span> <span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>;
                    <span class="kw">let</span> <span class="ident">goal_bldg</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">find_b_by_osm_id</span>(<span class="ident">bldg</span>(<span class="number">217701875</span>)).<span class="ident">unwrap</span>();
                    <span class="kw">let</span> <span class="ident">start_lane</span> <span class="op">=</span> {
                        <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_r</span>(
                            <span class="ident">map</span>.<span class="ident">find_r_by_osm_id</span>(<span class="ident">OriginalRoad::new</span>(
                                <span class="number">158782224</span>,
                                (<span class="number">1709145066</span>, <span class="number">53128052</span>),
                            ))
                            .<span class="ident">unwrap</span>(),
                        );
                        <span class="macro">assert_eq!</span>(<span class="ident">r</span>.<span class="ident">lanes_ltr</span>().<span class="ident">len</span>(), <span class="number">6</span>);
                        <span class="ident">r</span>.<span class="ident">lanes_ltr</span>()[<span class="number">2</span>].<span class="number">0</span>
                    };
                    <span class="kw">let</span> <span class="ident">lane_near_bldg</span> <span class="op">=</span> {
                        <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_r</span>(
                            <span class="ident">map</span>.<span class="ident">find_r_by_osm_id</span>(<span class="ident">OriginalRoad::new</span>(<span class="number">6484869</span>, (<span class="number">53163501</span>, <span class="number">53069236</span>)))
                                .<span class="ident">unwrap</span>(),
                        );
                        <span class="macro">assert_eq!</span>(<span class="ident">r</span>.<span class="ident">lanes_ltr</span>().<span class="ident">len</span>(), <span class="number">6</span>);
                        <span class="ident">r</span>.<span class="ident">lanes_ltr</span>()[<span class="number">3</span>].<span class="number">0</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::empty</span>(<span class="ident">map</span>, <span class="string">&quot;prank&quot;</span>);
                    <span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">push</span>(<span class="ident">PersonSpec</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="ident">IndividTrip::new</span>(
                            <span class="ident">Time::START_OF_DAY</span>,
                            <span class="ident">TripPurpose::Shopping</span>,
                            <span class="ident">TripEndpoint::SuddenlyAppear</span>(<span class="ident">Position::new</span>(
                                <span class="ident">start_lane</span>,
                                <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">start_lane</span>).<span class="ident">length</span>() <span class="op">*</span> <span class="number">0.8</span>,
                            )),
                            <span class="ident">TripEndpoint::Bldg</span>(<span class="ident">goal_bldg</span>),
                            <span class="ident">TripMode::Drive</span>,
                        )],
                    });
                    <span class="comment">// Will definitely get there first</span>
                    <span class="kw">for</span> <span class="kw">_</span> <span class="kw">in</span> <span class="number">0</span>..<span class="ident">map</span>.<span class="ident">get_b</span>(<span class="ident">goal_bldg</span>).<span class="ident">num_parking_spots</span>() {
                        <span class="ident">scenario</span>.<span class="ident">people</span>.<span class="ident">push</span>(<span class="ident">PersonSpec</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="ident">IndividTrip::new</span>(
                                <span class="ident">Time::START_OF_DAY</span>,
                                <span class="ident">TripPurpose::Shopping</span>,
                                <span class="ident">TripEndpoint::SuddenlyAppear</span>(<span class="ident">Position::new</span>(
                                    <span class="ident">lane_near_bldg</span>,
                                    <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">lane_near_bldg</span>).<span class="ident">length</span>() <span class="op">/</span> <span class="number">2.0</span>,
                                )),
                                <span class="ident">TripEndpoint::Bldg</span>(<span class="ident">goal_bldg</span>),
                                <span class="ident">TripMode::Drive</span>,
                            )],
                        });
                    }
                    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">rng</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">current_flags</span>.<span class="ident">sim_flags</span>.<span class="ident">make_rng</span>();
                    <span class="ident">scenario</span>.<span class="ident">instantiate</span>(
                        <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>,
                        <span class="ident">map</span>,
                        <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">rng</span>,
                        <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">Timer::new</span>(<span class="string">&quot;spawn trip&quot;</span>),
                    );
                    <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">tiny_step</span>(<span class="ident">map</span>, <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim_cb</span>);

                    <span class="comment">// And add some noise</span>
                    <span class="ident">spawn_agents_around</span>(
                        <span class="ident">app</span>.<span class="ident">primary</span>
                            .<span class="ident">map</span>
                            .<span class="ident">find_i_by_osm_id</span>(<span class="ident">osm::NodeID</span>(<span class="number">1709145066</span>))
                            .<span class="ident">unwrap</span>(),
                        <span class="ident">app</span>,
                    );
                }))
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from</span>(
                    <span class="string">&quot;Alright alright, no need to wear out your spacebar.&quot;</span>,
                )))
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                    <span class="string">&quot;Oh look, some people appeared!&quot;</span>,
                    <span class="string">&quot;We&#39;ve got pedestrians, bikes, and cars moving around now.&quot;</span>,
                ])))
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                        <span class="string">&quot;Why don&#39;t you follow this car to their destination,&quot;</span>,
                        <span class="string">&quot;see where they park, and then play a little... prank?&quot;</span>,
                    ]))
                    .<span class="ident">dynamic_arrow</span>(<span class="ident">Box::new</span>(<span class="op">|</span><span class="ident">g</span>, <span class="ident">app</span><span class="op">|</span> {
                        <span class="ident">g</span>.<span class="ident">canvas</span>
                            .<span class="ident">map_to_screen</span>(
                                <span class="ident">app</span>.<span class="ident">primary</span>
                                    .<span class="ident">sim</span>
                                    .<span class="ident">canonical_pt_for_agent</span>(<span class="ident">AgentID::Car</span>(<span class="ident">ESCORT</span>), <span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>)
                                    .<span class="ident">unwrap</span>(),
                            )
                            .<span class="ident">to_pt</span>()
                    }))
                    .<span class="ident">left_aligned</span>(),
                )
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                        <span class="string">&quot;You don&#39;t have to manually chase them; just click to follow.&quot;</span>,
                        <span class="string">&quot;&quot;</span>,
                        <span class="string">&quot;(If you do lose track of them, just reset)&quot;</span>,
                    ]))
                    .<span class="ident">arrow</span>(<span class="ident">time</span>.<span class="ident">panel</span>.<span class="ident">center_of</span>(<span class="string">&quot;reset to midnight&quot;</span>))
                    .<span class="ident">icon</span>(<span class="string">&quot;system/assets/speed/reset.svg&quot;</span>),
                ),
        );

        <span class="ident">state</span>.<span class="ident">stages</span>.<span class="ident">push</span>(
            <span class="ident">Stage::new</span>(<span class="ident">Task::LowParking</span>)
                <span class="comment">// TODO Actually, we ideally just want a bunch of parked cars, not all these trips</span>
                .<span class="ident">scenario</span>(<span class="ident">ScenarioGenerator</span> {
                    <span class="ident">scenario_name</span>: <span class="string">&quot;low parking&quot;</span>.<span class="ident">to_string</span>(),
                    <span class="ident">only_seed_buses</span>: <span class="prelude-val">Some</span>(<span class="ident">BTreeSet::new</span>()),
                    <span class="ident">spawn_over_time</span>: <span class="macro">vec!</span>[<span class="ident">SpawnOverTime</span> {
                        <span class="ident">num_agents</span>: <span class="number">1000</span>,
                        <span class="ident">start_time</span>: <span class="ident">Time::START_OF_DAY</span>,
                        <span class="ident">stop_time</span>: <span class="ident">Time::START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration::hours</span>(<span class="number">3</span>),
                        <span class="ident">goal</span>: <span class="prelude-val">None</span>,
                        <span class="ident">percent_driving</span>: <span class="number">1.0</span>,
                        <span class="ident">percent_biking</span>: <span class="number">0.0</span>,
                        <span class="ident">percent_use_transit</span>: <span class="number">0.0</span>,
                    }],
                    <span class="ident">border_spawn_over_time</span>: <span class="ident">Vec::new</span>(),
                })
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                        <span class="string">&quot;What an immature prank. You should re-evaluate your life decisions.&quot;</span>,
                        <span class="string">&quot;&quot;</span>,
                        <span class="string">&quot;The map is quite large, so to help you orient, the minimap shows you an \
                         overview of all activity. You can click and drag it just like the normal \
                         map.&quot;</span>,
                    ]))
                    .<span class="ident">arrow</span>(<span class="ident">minimap</span>.<span class="ident">get_panel</span>().<span class="ident">center_of</span>(<span class="string">&quot;minimap&quot;</span>))
                    .<span class="ident">left_aligned</span>(),
                )
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                        <span class="string">&quot;You can apply different layers to the map, to find things like:&quot;</span>,
                        <span class="string">&quot;&quot;</span>,
                        <span class="string">&quot;- roads with high traffic&quot;</span>,
                        <span class="string">&quot;- bus stops&quot;</span>,
                        <span class="string">&quot;- how much parking is filled up&quot;</span>,
                    ]))
                    .<span class="ident">arrow</span>(<span class="ident">minimap</span>.<span class="ident">get_panel</span>().<span class="ident">center_of</span>(<span class="string">&quot;change layers&quot;</span>))
                    .<span class="ident">icon</span>(<span class="string">&quot;system/assets/tools/layers.svg&quot;</span>)
                    .<span class="ident">left_aligned</span>(),
                )
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                    <span class="string">&quot;Let&#39;s try these out.&quot;</span>,
                    <span class="string">&quot;There are lots of cars parked everywhere. Can you find a road that&#39;s almost \
                     out of parking spots?&quot;</span>,
                ]))),
        );

        <span class="kw">let</span> <span class="ident">bike_lane_scenario</span> <span class="op">=</span> <span class="ident">make_bike_lane_scenario</span>(<span class="ident">map</span>);
        <span class="kw">let</span> <span class="ident">bike_lane_focus_pt</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">find_b_by_osm_id</span>(<span class="ident">bldg</span>(<span class="number">217699496</span>)).<span class="ident">unwrap</span>();

        <span class="ident">state</span>.<span class="ident">stages</span>.<span class="ident">push</span>(
            <span class="ident">Stage::new</span>(<span class="ident">Task::WatchBikes</span>)
                .<span class="ident">warp_to</span>(<span class="ident">ID::Building</span>(<span class="ident">bike_lane_focus_pt</span>), <span class="prelude-val">None</span>)
                .<span class="ident">scenario</span>(<span class="ident">bike_lane_scenario</span>.<span class="ident">clone</span>())
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                    <span class="string">&quot;Well done!&quot;</span>,
                    <span class="string">&quot;&quot;</span>,
                    <span class="string">&quot;Something&#39;s about to happen over here. Follow along and figure out what the \
                     problem is, at whatever speed you&#39;d like.&quot;</span>,
                ]))),
        );

        <span class="kw">let</span> <span class="ident">top_right</span> <span class="op">=</span> <span class="ident">state</span>.<span class="ident">make_top_right</span>(<span class="ident">ctx</span>, <span class="bool-val">true</span>);
        <span class="ident">state</span>.<span class="ident">stages</span>.<span class="ident">push</span>(
            <span class="ident">Stage::new</span>(<span class="ident">Task::FixBikes</span>)
                .<span class="ident">scenario</span>(<span class="ident">bike_lane_scenario</span>)
                .<span class="ident">warp_to</span>(<span class="ident">ID::Building</span>(<span class="ident">bike_lane_focus_pt</span>), <span class="prelude-val">None</span>)
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                    <span class="string">&quot;Looks like lots of cars and bikes trying to go to a house by the playfield.&quot;</span>,
                    <span class="string">&quot;&quot;</span>,
                    <span class="string">&quot;When lots of cars and bikes share the same lane, cars are delayed (assuming \
                     there&#39;s no room to pass) and the cyclist probably feels unsafe too.&quot;</span>,
                ])))
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from</span>(
                    <span class="string">&quot;Luckily, you have the power to modify lanes! What if you could transform the \
                     parking lanes that aren&#39;t being used much into bike lanes?&quot;</span>,
                )))
                .<span class="ident">msg</span>(
                    <span class="ident">Message::new</span>(<span class="ident">Text::from</span>(
                        <span class="string">&quot;To edit lanes, click &#39;edit map&#39; and then select a lane.&quot;</span>,
                    ))
                    .<span class="ident">arrow</span>(<span class="ident">top_right</span>.<span class="ident">center_of</span>(<span class="string">&quot;edit map&quot;</span>)),
                )
                .<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                    <span class="string">&quot;When you finish making edits, time will jump to the beginning of the next \
                     day. You can&#39;t make most changes in the middle of the day.&quot;</span>,
                    <span class="string">&quot;&quot;</span>,
                    <span class="string">&quot;Seattleites are really boring; they follow the exact same schedule everyday. \
                     They&#39;re also stubborn, so even if you try to influence their decision \
                     whether to drive, walk, bike, or take a bus, they&#39;ll do the same thing. For \
                     now, you&#39;re just trying to make things better, assuming people stick to \
                     their routine.&quot;</span>,
                ])))
                .<span class="ident">msg</span>(
                    <span class="comment">// TODO Deliberately vague with the measurement.</span>
                    <span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                        <span class="macro">format!</span>(
                            <span class="string">&quot;So adjust lanes and speed up the slowest trip by at least {}.&quot;</span>,
                            <span class="ident">CAR_BIKE_CONTENTION_GOAL</span>
                        ),
                        <span class="string">&quot;&quot;</span>.<span class="ident">to_string</span>(),
                        <span class="string">&quot;You can explore results as trips finish. When everyone&#39;s finished, \
                         you&#39;ll get your final score.&quot;</span>
                            .<span class="ident">to_string</span>(),
                    ]))
                    .<span class="ident">arrow</span>(<span class="ident">minimap</span>.<span class="ident">get_panel</span>().<span class="ident">center_of</span>(<span class="string">&quot;more data&quot;</span>)),
                ),
        );

        <span class="ident">state</span>.<span class="ident">stages</span>.<span class="ident">push</span>(
            <span class="ident">Stage::new</span>(<span class="ident">Task::Done</span>).<span class="ident">msg</span>(<span class="ident">Message::new</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                <span class="string">&quot;You&#39;re ready for the hard stuff now.&quot;</span>,
                <span class="string">&quot;&quot;</span>,
                <span class="string">&quot;- Try out some challenges&quot;</span>,
                <span class="string">&quot;- Explore larger parts of Seattle in the sandbox, and try out any ideas you&#39;ve \
                 got.&quot;</span>,
                <span class="string">&quot;- Check out community proposals, and submit your own&quot;</span>,
                <span class="string">&quot;&quot;</span>,
                <span class="string">&quot;Go have the appropriate amount of fun!&quot;</span>,
            ]))),
        );

        <span class="ident">state</span>

        <span class="comment">// TODO Multi-modal trips -- including parking. (Cars per bldg, ownership)</span>
        <span class="comment">// TODO Explain the finished trip data</span>
        <span class="comment">// The city is in total crisis. You&#39;ve only got 10 days to do something before all hell</span>
        <span class="comment">// breaks loose and people start kayaking / ziplining / crab-walking / cartwheeling to</span>
        <span class="comment">// work.</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">scenarios_to_prebake</span>(<span class="ident">map</span>: <span class="kw-2">&amp;</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">ScenarioGenerator</span><span class="op">&gt;</span> {
        <span class="macro">vec!</span>[<span class="ident">make_bike_lane_scenario</span>(<span class="ident">map</span>)]
    }
}

<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">actions</span>(<span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>, <span class="ident">id</span>: <span class="ident">ID</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Vec</span><span class="op">&lt;</span>(<span class="ident">Key</span>, <span class="ident">String</span>)<span class="op">&gt;</span> {
    <span class="kw">match</span> (<span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>().<span class="ident">interaction</span>(), <span class="ident">id</span>) {
        (<span class="ident">Task::LowParking</span>, <span class="ident">ID::Lane</span>(<span class="kw">_</span>)) <span class="op">=</span><span class="op">&gt;</span> {
            <span class="macro">vec!</span>[(<span class="ident">Key::C</span>, <span class="string">&quot;check the parking occupancy&quot;</span>.<span class="ident">to_string</span>())]
        }
        (<span class="ident">Task::Escort</span>, <span class="ident">ID::Car</span>(<span class="kw">_</span>)) <span class="op">=</span><span class="op">&gt;</span> <span class="macro">vec!</span>[(<span class="ident">Key::C</span>, <span class="string">&quot;draw WASH ME&quot;</span>.<span class="ident">to_string</span>())],
        <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">Vec::new</span>(),
    }
}

<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">execute</span>(<span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>, <span class="ident">id</span>: <span class="ident">ID</span>, <span class="ident">action</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Transition</span> {
    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">tut</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">session</span>.<span class="ident">tutorial</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>();
    <span class="kw">let</span> <span class="ident">response</span> <span class="op">=</span> <span class="kw">match</span> (<span class="ident">id</span>, <span class="ident">action</span>) {
        (<span class="ident">ID::Car</span>(<span class="ident">c</span>), <span class="string">&quot;draw WASH ME&quot;</span>) <span class="op">=</span><span class="op">&gt;</span> {
            <span class="kw">let</span> <span class="ident">is_parked</span> <span class="op">=</span> <span class="ident">app</span>
                .<span class="ident">primary</span>
                .<span class="ident">sim</span>
                .<span class="ident">agent_to_trip</span>(<span class="ident">AgentID::Car</span>(<span class="ident">ESCORT</span>))
                .<span class="ident">is_none</span>();
            <span class="kw">if</span> <span class="ident">c</span> <span class="op">=</span><span class="op">=</span> <span class="ident">ESCORT</span> {
                <span class="kw">if</span> <span class="ident">is_parked</span> {
                    <span class="ident">tut</span>.<span class="ident">prank_done</span> <span class="op">=</span> <span class="bool-val">true</span>;
                    <span class="ident">PopupMsg::new_state</span>(
                        <span class="ident">ctx</span>,
                        <span class="string">&quot;Prank in progress&quot;</span>,
                        <span class="macro">vec!</span>[<span class="string">&quot;You quickly scribble on the window...&quot;</span>],
                    )
                } <span class="kw">else</span> {
                    <span class="ident">PopupMsg::new_state</span>(
                        <span class="ident">ctx</span>,
                        <span class="string">&quot;Not yet!&quot;</span>,
                        <span class="macro">vec!</span>[
                            <span class="string">&quot;You&#39;re going to run up to an occupied car and draw on their windows?&quot;</span>,
                            <span class="string">&quot;Sounds like we should be friends.&quot;</span>,
                            <span class="string">&quot;But, er, wait for the car to park. (You can speed up time!)&quot;</span>,
                        ],
                    )
                }
            } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">c</span>.<span class="ident">vehicle_type</span> <span class="op">=</span><span class="op">=</span> <span class="ident">VehicleType::Bike</span> {
                <span class="ident">PopupMsg::new_state</span>(
                    <span class="ident">ctx</span>,
                    <span class="string">&quot;That&#39;s a bike&quot;</span>,
                    <span class="macro">vec!</span>[
                        <span class="string">&quot;Achievement unlocked: You attempted to draw WASH ME on a cyclist.&quot;</span>,
                        <span class="string">&quot;This game is PG-13 or something, so I can&#39;t really describe what happens \
                         next.&quot;</span>,
                        <span class="string">&quot;But uh, don&#39;t try this at home.&quot;</span>,
                    ],
                )
            } <span class="kw">else</span> {
                <span class="ident">PopupMsg::new_state</span>(
                    <span class="ident">ctx</span>,
                    <span class="string">&quot;Wrong car&quot;</span>,
                    <span class="macro">vec!</span>[
                        <span class="string">&quot;You&#39;re looking at the wrong car.&quot;</span>,
                        <span class="string">&quot;Use the &#39;reset to midnight&#39; (key binding &#39;X&#39;) to start over, if you lost \
                         the car to follow.&quot;</span>,
                    ],
                )
            }
        }
        (<span class="ident">ID::Lane</span>(<span class="ident">l</span>), <span class="string">&quot;check the parking occupancy&quot;</span>) <span class="op">=</span><span class="op">&gt;</span> {
            <span class="kw">let</span> <span class="ident">lane</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">l</span>);
            <span class="kw">if</span> <span class="ident">lane</span>.<span class="ident">is_parking</span>() {
                <span class="kw">let</span> <span class="ident">percent</span> <span class="op">=</span> (<span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">get_free_onstreet_spots</span>(<span class="ident">l</span>).<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">f64</span>)
                    <span class="op">/</span> (<span class="ident">lane</span>.<span class="ident">number_parking_spots</span>(<span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_config</span>()) <span class="kw">as</span> <span class="ident">f64</span>);
                <span class="kw">if</span> <span class="ident">percent</span> <span class="op">&gt;</span> <span class="number">0.1</span> {
                    <span class="ident">PopupMsg::new_state</span>(
                        <span class="ident">ctx</span>,
                        <span class="string">&quot;Not quite&quot;</span>,
                        <span class="macro">vec!</span>[
                            <span class="macro">format!</span>(<span class="string">&quot;This lane has {:.0}% spots free&quot;</span>, <span class="ident">percent</span> <span class="op">*</span> <span class="number">100.0</span>),
                            <span class="string">&quot;Try using the &#39;parking occupancy&#39; layer from the minimap controls&quot;</span>
                                .<span class="ident">to_string</span>(),
                        ],
                    )
                } <span class="kw">else</span> {
                    <span class="ident">tut</span>.<span class="ident">parking_found</span> <span class="op">=</span> <span class="bool-val">true</span>;
                    <span class="ident">PopupMsg::new_state</span>(
                        <span class="ident">ctx</span>,
                        <span class="string">&quot;Noice&quot;</span>,
                        <span class="macro">vec!</span>[<span class="string">&quot;Yup, parallel parking would be tough here!&quot;</span>],
                    )
                }
            } <span class="kw">else</span> {
                <span class="ident">PopupMsg::new_state</span>(<span class="ident">ctx</span>, <span class="string">&quot;Uhh..&quot;</span>, <span class="macro">vec!</span>[<span class="string">&quot;That&#39;s not even a parking lane&quot;</span>])
            }
        }
        <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="macro">unreachable!</span>(),
    };
    <span class="ident">Transition::Push</span>(<span class="ident">response</span>)
}

<span class="kw">fn</span> <span class="ident">intro_story</span>(<span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">State</span><span class="op">&lt;</span><span class="ident">App</span><span class="op">&gt;</span><span class="op">&gt;</span> {
    <span class="ident">CutsceneBuilder::new</span>(<span class="string">&quot;Introduction&quot;</span>)
        .<span class="ident">boss</span>(
            <span class="string">&quot;Argh, the mayor&#39;s on my case again about the West Seattle bridge. This day couldn&#39;t \
             get any worse.&quot;</span>,
        )
        .<span class="ident">player</span>(<span class="string">&quot;Er, hello? Boss? I&#39;m --&quot;</span>)
        .<span class="ident">boss</span>(<span class="string">&quot;Yet somehow it did.. You&#39;re the new recruit. Yeah, yeah. Come in.&quot;</span>)
        .<span class="ident">boss</span>(
            <span class="string">&quot;Due to budget cuts, we couldn&#39;t hire a real traffic engineer, so we just called some \
             know-it-all from Reddit who seems to think they can fix Seattle traffic.&quot;</span>,
        )
        .<span class="ident">player</span>(<span class="string">&quot;Yes, hi, my name is --&quot;</span>)
        .<span class="ident">boss</span>(<span class="string">&quot;We can&#39;t afford name-tags, didn&#39;t you hear, budget cuts? Your name doesn&#39;t matter.&quot;</span>)
        .<span class="ident">player</span>(<span class="string">&quot;What about my Insta handle?&quot;</span>)
        .<span class="ident">boss</span>(<span class="string">&quot;-glare-&quot;</span>)
        .<span class="ident">boss</span>(
            <span class="string">&quot;Look, you think fixing traffic is easy? Hah! You can&#39;t fix one intersection without \
             breaking ten more.&quot;</span>,
        )
        .<span class="ident">boss</span>(
            <span class="string">&quot;And everybody wants something different! Bike lanes here! More parking! Faster \
             buses! Cheaper housing! Less rain! Free this, subsidized that!&quot;</span>,
        )
        .<span class="ident">boss</span>(<span class="string">&quot;Light rail and robot cars aren&#39;t here to save the day! Know what you&#39;ll be using?&quot;</span>)
        .<span class="ident">extra</span>(<span class="string">&quot;drone.svg&quot;</span>, <span class="number">1.0</span>, <span class="string">&quot;The traffic drone&quot;</span>)
        .<span class="ident">player</span>(<span class="string">&quot;Is that... duct tape?&quot;</span>)
        .<span class="ident">boss</span>(
            <span class="string">&quot;Can&#39;t spit anymore cause of COVID and don&#39;t get me started on prayers. Well, off to \
             training for you!&quot;</span>,
        )
        .<span class="ident">build</span>(
            <span class="ident">ctx</span>,
            <span class="ident">Box::new</span>(<span class="op">|</span><span class="ident">ctx</span><span class="op">|</span> {
                <span class="ident">Text::from</span>(<span class="ident">Line</span>(<span class="string">&quot;Use the tutorial to learn the basic controls.&quot;</span>).<span class="ident">fg</span>(<span class="ident">Color::BLACK</span>))
                    .<span class="ident">into_widget</span>(<span class="ident">ctx</span>)
            }),
        )
}

<span class="comment">// Assumes ways</span>
<span class="kw">fn</span> <span class="ident">bldg</span>(<span class="ident">id</span>: <span class="ident">i64</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">osm::OsmID</span> {
    <span class="ident">osm::OsmID::Way</span>(<span class="ident">osm::WayID</span>(<span class="ident">id</span>))
}
</pre></div>
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