Avery Haas
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
#pragma once
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#include <string>
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#include <vector>
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struct GLFWwindow;
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// One row for the extensible right-hand stats list (oil temp, coolant
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// temp, etc.) — push more entries onto EngineStats::extra_stats as the
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// sim grows, no Gui changes needed.
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struct StatEntry {
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std::string label;
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double value;
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std::string unit;
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};
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// Plain data the GUI reads each frame. The GUI knows nothing about
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// Engine/Transmission/Vehicle — main.cpp fills this in from Simulation.
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struct EngineStats {
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double rpm = 0.0;
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double redline_rpm = 6500.0; // tach gauge: start of red zone
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double max_rpm = 8000.0; // tach gauge: full scale
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double fuel_consumption_lph = 0.0;
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double crank_power_kw = 0.0;
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double output_heat_j = 0.0;
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std::vector<StatEntry> extra_stats;
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};
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// Which parasitic-load accessories are toggled on, via checkboxes drawn
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// in the left column by render(). Placeholders (Alternator, A/C, Power
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// Steering) until there's an actual load model behind them.
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struct AccessoryState {
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bool alternator = false;
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bool ac = false;
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bool power_steering = false;
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};
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class Gui {
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public:
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bool init(); // create window + ImGui context
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bool begin_frame(); // returns false when the window should close
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void render(const EngineStats& stats);
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void end_frame(); // swap buffers
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void shutdown();
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// Reflects the throttle lever as of the most recent render() call.
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// Spring-loaded: holds whatever value the drag left it at only
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// while the mouse is down, and snaps back to 0 the instant it's
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// released. Read it any time after render() this frame, or before
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// render() next frame, to feed it into the engine.
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double throttle() const { return static_cast<double>(m_throttle_lever); }
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// Reflects the checkbox state as of the most recent render() call —
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// read it any time after render() this frame, or before render()
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// next frame, to feed accessory load into the engine.
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const AccessoryState& accessories() const { return m_accessories; }
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private:
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GLFWwindow* m_window = nullptr;
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float m_throttle_lever = 0.0f;
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AccessoryState m_accessories;
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};
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