54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#pragma once
|
|
|
|
#include "FluidSim/AudioProcessing.hpp"
|
|
#include "FluidSim/Crankcase.hpp"
|
|
#include "FluidSim/Fluid.hpp"
|
|
#include "FluidSim/OutdoorExhaustReverb.hpp"
|
|
#include "FluidSim/Solver.hpp"
|
|
#include "FluidSim/TwoStrokeCylinder.hpp"
|
|
#include <cstdint>
|
|
#include <vector>
|
|
|
|
namespace fluidsim::port {
|
|
|
|
struct TwoStrokeSnapshot {
|
|
float rpm{}, cylinder_pressure{}, crankcase_pressure{}, intake_pressure{};
|
|
float throttle{}, transfer_area{}, exhaust_area{};
|
|
bool reed_open{};
|
|
};
|
|
|
|
// Port of the C# 125 cc crankcase-scavenged two-stroke scenario. It retains
|
|
// the plenum / reed / crankcase / transfer / cylinder / exhaust topology.
|
|
class TwoStrokeScenario {
|
|
public:
|
|
explicit TwoStrokeScenario(int sample_rate = 44100);
|
|
AudioFrame process();
|
|
void set_throttle(float value);
|
|
TwoStrokeSnapshot snapshot() const;
|
|
|
|
float throttle{};
|
|
Crankshaft crankshaft{};
|
|
TwoStrokeCylinder cylinder;
|
|
Crankcase crankcase;
|
|
Volume0D intake_plenum{0.5e-3f, 101325.0f, 300.0f};
|
|
std::vector<Pipe1D> pipes;
|
|
|
|
private:
|
|
float dt_{}, max_throttle_area_{};
|
|
float reed_in_area_{}, reed_out_area_{}, transfer_pipe_area_{}, transfer_valve_area_{}, exhaust_valve_area_{};
|
|
bool reed_open_{};
|
|
std::uint64_t step_count_{};
|
|
Port* plenum_inlet_{};
|
|
Port* plenum_outlet_{};
|
|
BoundarySystem boundaries_;
|
|
Solver solver_;
|
|
SoundProcessor intake_sound_;
|
|
SoundProcessor exhaust_sound_;
|
|
OutdoorExhaustReverb reverb_;
|
|
|
|
static float area_for_diameter(float diameter);
|
|
static std::vector<Pipe1D> create_pipes();
|
|
};
|
|
|
|
} // namespace fluidsim::port
|