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https://github.com/MaSzyna-EU07/maszyna.git
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533746324b
- test::definition_error for unusable test vehicle definitions instead of std::runtime_error (S112) - the rows of a table section written by a function of their own, less nesting in definition::text() (S134) - std::less<> for the section table (S6045) - comments in the empty methods of the reseeding listener and stub (S1186) - NOSONAR where the engine's headers fix the stubs: the extern globals and the member function signatures (S5421, S5817, S1238) - NOSONAR on LoadFIZ_Parse(): the cognitive complexity is the former body of LoadFIZ(), moved as it was (S3776) - a comment Sonar took for code reworded (S125) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
#pragma once
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#include <memory>
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#include <stdexcept>
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#include <string>
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#include <nlohmann/json.hpp>
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#include "McZapkie/MOVER.h"
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namespace test {
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// thrown for a test vehicle definition which can't be used: missing, malformed, or not taken by the loader
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class definition_error : public std::runtime_error {
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public:
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using std::runtime_error::runtime_error;
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};
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// definition of a test vehicle: one of the JSON files in tests/unit/data, with the sections and keys
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// of the game's vehicle definitions, changed by the test where it needs to:
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// auto heavy = definition::load("wagon").set("Param", "M", 60000).set("Brake", "BrakeValve", "ESt3");
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class definition {
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public:
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// tests/unit/data/<Name>.json
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static definition load(std::string const &Name);
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// sets the key of the section, adding either one when it's missing
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definition &set(std::string const &Section, std::string const &Key, nlohmann::ordered_json const &Value);
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// drops the whole section, or one key of it
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definition &remove(std::string const &Section);
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definition &remove(std::string const &Section, std::string const &Key);
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// the definition in the form the game's vehicle loader reads
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std::string text() const;
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private:
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nlohmann::ordered_json m_sections;
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};
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// conditions the vehicle runs in: straight track of the given friction and gradient (rise/run)
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struct track {
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double friction{0.15};
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double gradient{0.0};
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};
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// one vehicle created the way TDynamicObject::Init() creates it, from the given definition
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class vehicle {
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public:
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explicit vehicle(definition const &Definition, double Velocity = 0.0, std::string const &Name = "test");
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TMoverParameters &mover() { return *m_mover; }
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TMoverParameters *operator->() { return m_mover.get(); }
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// keeps the brake pipe at the given pressure [bar], as a locomotive coupled to the vehicle would;
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// a negative value leaves the pipe alone
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void hold_brake_pipe(double Pressure) { m_pipepressure = Pressure; }
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// advances the physics by one step of Dt, the way the simulation loop does
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void step(track const &Track = {}, double Dt = 0.01);
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// advances the physics by Seconds in steps of Dt
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void run(double Seconds, track const &Track = {}, double Dt = 0.01);
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// vehicle speed in kilometres per hour, negative when moving backwards
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double speed() const { return m_mover->V * 3.6; }
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private:
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std::unique_ptr<TMoverParameters> m_mover;
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double m_pipepressure{-1.0};
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};
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} // namespace test
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