83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
#pragma once
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#include "FluidSim/AudioProcessing.hpp"
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#include "FluidSim/Engine.hpp"
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#include "FluidSim/Fluid.hpp"
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#include "FluidSim/MechanicalSoundProcessor.hpp"
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#include "FluidSim/OutdoorExhaustReverb.hpp"
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#include "FluidSim/Solver.hpp"
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#include "FluidSim/Vehicle.hpp"
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#include <array>
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#include <cstdint>
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#include <mutex>
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#include <vector>
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namespace fluidsim::port {
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struct ScenarioSnapshot {
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float rpm{}, speed_kmh{}, kinetic_energy{}, average_power{}, average_torque{};
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float cylinder_pressure1{}, cylinder_pressure2{};
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float cylinder_temperature1{}, cylinder_temperature2{};
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float cylinder_piston_fraction1{}, cylinder_piston_fraction2{};
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float valve1_intake_area{}, valve1_exhaust_area{}, valve2_intake_area{}, valve2_exhaust_area{};
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float intake_pressure{}, exhaust_pressure{};
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float throttle{}, clutch{}, intake_flow{}, exhaust_flow{};
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int gear{};
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bool rev_limit1{}, rev_limit2{}, mechanical_sound_enabled{};
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std::array<std::vector<GasState>, 6> pipe_states;
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};
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// Active C# SingleCylScenario topology: a 600 cc parallel twin, independent
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// intake runners, separate short exhaust headers, shared collector and tailpipe.
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class FourStrokeTwinScenario {
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public:
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explicit FourStrokeTwinScenario(int sample_rate = 44100);
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AudioFrame process();
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void set_controls(float throttle_value, float load_value, float clutch_value);
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void toggle_mechanical_sound();
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void shift_up();
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void shift_down();
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void set_neutral();
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void set_first_gear();
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ScenarioSnapshot snapshot() const;
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float throttle{};
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float load{};
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float clutch{1.0f};
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bool mechanical_sound_enabled{};
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float mechanical_mix{0.02f}, reverb_send_gain{1.0f};
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float exhaust_send{0.5f}, intake_send{0.5f}, mechanical_send{};
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Crankshaft crankshaft{};
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FourStrokeCylinder cylinder1{}, cylinder2{};
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Vehicle vehicle{};
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Volume0D intake_plenum{1.0e-3f, 101325.0f, 300.0f};
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Volume0D exhaust_collector{0.15e-3f, 101325.0f, 700.0f};
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std::vector<Pipe1D> pipes;
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float intake_flow{}, exhaust_flow{};
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float last_mix_l{}, last_mix_r{};
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std::uint64_t sample_count{};
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private:
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Port* throttle_port_{};
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Port* runner_feed1_{};
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Port* runner_feed2_{};
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Port* collector_in1_{};
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Port* collector_in2_{};
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Port* collector_out_{};
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float throttle_area_{}, runner_area_{}, valve1_in_{}, valve2_in_{};
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float valve1_out_{}, valve2_out_{}, header_area_{}, tail_area_{};
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float dt_{};
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BoundarySystem boundaries_;
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Solver solver_;
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RadiationSource intake_radiation_;
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RadiationSource exhaust_radiation_;
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OutdoorExhaustReverb reverb_;
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MechanicalSoundProcessor mechanical_sound_;
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mutable std::mutex mutex_;
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static float area_for_diameter(float diameter);
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static std::vector<Pipe1D> create_pipes();
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};
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} // namespace fluidsim::port
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