Avery Haas
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
#include <chrono>
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#include "imgui.h"
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#include "engine/simulation.h"
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#include "gui/gui.h"
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int main() {
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Gui gui;
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if (!gui.init()) return 1;
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Simulation sim;
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const double SIM_DT = 1.0 / 360.0;
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double accumulator = 0.0;
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auto last_time = std::chrono::steady_clock::now();
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while (gui.begin_frame()) {
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// 'r' resets the engine (rpm -> 0). false = don't auto-repeat while held.
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if (ImGui::IsKeyPressed(ImGuiKey_R, false)) {
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sim.engine().reset();
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}
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auto now = std::chrono::steady_clock::now();
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double frame_time = std::chrono::duration<double>(now - last_time).count();
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last_time = now;
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if (frame_time > 0.25) frame_time = 0.25; // clamp huge stalls (e.g. breakpoint)
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accumulator += frame_time;
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while (accumulator >= SIM_DT) {
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sim.step(SIM_DT);
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accumulator -= SIM_DT;
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}
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// Build this frame's display data. Only rpm is real right now;
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// the rest are placeholders until those models exist.
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EngineStats stats;
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stats.rpm = sim.engine().rpm();
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stats.fuel_consumption_lph = 0.0; // TODO: derive from fuel model
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stats.crank_power_kw = 0.0; // TODO: torque_nm * rpm -> kW
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stats.output_heat_j = 0.0; // TODO: energy balance / exhaust heat model
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stats.extra_stats.push_back({"Oil Temp", 0.0, "C"});
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stats.extra_stats.push_back({"Coolant Temp", 0.0, "C"});
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gui.render(stats);
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gui.end_frame();
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}
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gui.shutdown();
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return 0;
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}
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