89 lines
3.7 KiB
C++
89 lines
3.7 KiB
C++
#pragma once
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#include "FluidSim/Scenario.hpp"
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#include "FluidSim/TwoStrokeScenario.hpp"
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#include <memory>
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#include <mutex>
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namespace fluidsim::port {
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// Shared desktop controls/snapshot contract. Two-stroke access is serialized;
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// the twin already protects its own simulation state.
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class DesktopScenario {
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public:
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explicit DesktopScenario(ScenarioKind kind, TwoStrokeConfig config = {}, bool saab_turbo = true) {
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if (kind == ScenarioKind::TwoStroke)
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two_ = std::make_unique<TwoStrokeScenario>(44100, config);
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else
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twin_ = std::make_unique<FourStrokeScenario>(44100, kind == ScenarioKind::SaabB205 ?
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FourStrokePreset::SaabB205 : kind == ScenarioKind::AmericanV8 ? FourStrokePreset::AmericanV8 : FourStrokePreset::Twin,
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kind == ScenarioKind::TurboTwin || (kind == ScenarioKind::SaabB205 && saab_turbo));
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}
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AudioFrame process() {
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if (twin_)
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return twin_->process();
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const std::lock_guard lock(mutex_);
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return two_->process();
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}
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void set_controls(float pedal, float load, float clutch) {
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visit([&](auto& scenario) { scenario.set_controls(pedal, load, clutch); });
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}
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void shift_up() { visit([](auto& scenario) { scenario.shift_up(); }); }
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void shift_down() { visit([](auto& scenario) { scenario.shift_down(); }); }
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void set_neutral() { visit([](auto& scenario) { scenario.set_neutral(); }); }
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void toggle_mechanical_sound() {
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if (twin_)
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twin_->toggle_mechanical_sound();
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}
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void set_audio_scene(OutdoorScene scene) {
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visit([&](auto& scenario) { scenario.set_audio_scene(scene); });
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}
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ScenarioSnapshot snapshot() const {
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if (twin_)
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return twin_->snapshot();
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const std::lock_guard lock(mutex_);
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const auto source = two_->snapshot();
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ScenarioSnapshot s;
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s.two_stroke = true;
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s.cylinder_count = 1;
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s.racing_exhaust = two_->configuration.exhaust == TwoStrokeExhaust::Racing;
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s.rpm = source.rpm;
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s.speed_kmh = two_->vehicle.speed * 3.6f;
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s.kinetic_energy = two_->vehicle.kinetic_energy();
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s.gear = two_->vehicle.current_gear;
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s.clutch = two_->clutch;
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s.average_power = two_->crankshaft.average_power;
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s.average_torque = two_->crankshaft.average_torque;
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s.cylinder_pressure1 = source.cylinder_pressure;
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s.cylinder_temperature1 = two_->cylinder.temperature();
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s.cylinder_piston_fraction1 =
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(two_->cylinder.volume - two_->cylinder.clearance_volume()) / two_->cylinder.swept_volume();
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s.crankcase_pressure = source.crankcase_pressure;
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s.intake_pressure = source.intake_pressure;
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s.exhaust_pressure = two_->pipes[3].state(0).pressure;
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s.throttle = source.throttle;
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s.pedal = source.pedal;
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s.target_afr = two_->carburetor.indicated_afr();
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s.valve1_intake_area = source.transfer_area;
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s.valve1_exhaust_area = source.exhaust_area;
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s.reed_open = source.reed_open;
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s.fuel_cut = source.fuel_cut;
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s.idle_control = two_->ecu.idle_active();
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s.rev_limit1 = two_->ecu.rev_limited();
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s.audio_scene = source.audio_scene;
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s.intake_flow = two_->intake_flow;
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s.exhaust_flow = two_->exhaust_flow;
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s.capture_pipes(two_->pipes);
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return s;
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}
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private:
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template<class Function> void visit(Function&& function) {
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const std::lock_guard lock(mutex_);
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if (twin_) function(*twin_);
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else function(*two_);
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}
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std::unique_ptr<FourStrokeTwinScenario> twin_;
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std::unique_ptr<TwoStrokeScenario> two_;
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mutable std::mutex mutex_;
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};
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} // namespace fluidsim::port
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