GameTimerUpdateSystem.ixx File

System that advances all game timers each frame. More...

Included Headers

#include <helios.engine.mechanics.timing.commands> #include <helios.engine.mechanics.timing.types> #include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.runtime.messaging.command.EngineCommandBuffer> #include <helios.engine.common.tags.SystemRole> #include <helios.engine.state.Bindings> #include <helios.engine.mechanics.timing.TimerManager> #include <helios.engine.mechanics.timing.GameTimer>

Namespaces Index

namespace	helios
namespace	engine
	Main engine module aggregating core infrastructure and game systems. More...
namespace	mechanics
	High-level gameplay systems and components for game logic. More...
namespace	timing
	Game timer management system. More...
namespace	systems
	Systems for the timing module. More...

Classes Index

class	GameTimerUpdateSystem
	Updates all game timers managed by the TimerManager. More...

Description

System that advances all game timers each frame.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file GameTimerUpdateSystem.ixx

3 * @brief System that advances all game timers each frame.

4 */

5module;

6

7

8export module helios.engine.mechanics.timing.systems.GameTimerUpdateSystem;

9

10import helios.engine.mechanics.timing.GameTimer;

11import helios.engine.mechanics.timing.TimerManager;

12

13import helios.engine.state.Bindings;

14import helios.engine.runtime.messaging.command.EngineCommandBuffer;

15

16import helios.engine.runtime.world.UpdateContext;

17

18import helios.engine.common.tags.SystemRole;

19

20import helios.engine.mechanics.timing.types;

21import helios.engine.mechanics.timing.commands;

22

23using namespace helios::engine::mechanics::timing;

24

25using namespace helios::engine::mechanics::timing::types;

26using namespace helios::engine::mechanics::timing::commands;

27

28export namespace helios::engine::mechanics::timing::systems {

29

30 /**

31 * @brief Updates all game timers managed by the TimerManager.

32 *

33 * Each frame, this system iterates over all registered timers and

34 * advances their elapsed time by the current delta time.

35 *

36 * @see TimerManager

37 * @see GameTimer

38 */

39 class GameTimerUpdateSystem {

40

41 /**

42 * @brief Reference to the TimerManager owning the timers.

43 */

44 TimerManager& timerManager_;

45

46 public:

47

48

49 using EngineRoleTag = helios::engine::common::tags::SystemRole;

50

51

52 /**

53 * @brief Constructs the system with a reference to the TimerManager.

54 *

55 * @param timerManager The manager whose timers are updated.

56 */

57 explicit GameTimerUpdateSystem(TimerManager& timerManager)

58 : timerManager_(timerManager) {}

59

60 /**

61 * @brief Advances all game timers by the current delta time.

62 *

63 * @param updateContext The current frame's update context.

64 */

65 void update(helios::engine::runtime::world::UpdateContext& updateContext) noexcept {

66

67 for (auto& gameTimer : timerManager_.gameTimers()) {

68 if (gameTimer.state() == TimerState::Running) {

69

70 gameTimer.update(updateContext.deltaTime());

71

72 if (gameTimer.duration() != 0.0f && gameTimer.elapsed() >= gameTimer.duration()) {

73 auto context = TimerControlContext{gameTimer.gameTimerId(), TimerState::Finished};

74 updateContext.queueCommand<TimerControlCommand>(context);

75 }

76 }

77 }

78 }

79

80 };

81

82}

---

Generated via doxygen2docusaurus 2.0.0 by Doxygen 1.15.0.