TimerUpdateSystem.ixx File

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

Included Headers

#include <span> #include <helios.engine.runtime.timing.commands> #include <helios.engine.runtime.timing.types> #include <helios.engine.runtime.world.tags.SystemRole> #include <helios.engine.runtime.messaging.command.NullCommandBuffer> #include <helios.engine.runtime.messaging.command.concepts.IsCommandBufferLike> #include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.runtime.timing.TimerManager> #include <helios.engine.runtime.timing.Timer>

Namespaces Index

namespace	helios
namespace	engine
namespace	runtime
namespace	timing
namespace	systems

Classes Index

class	TimerUpdateSystem<TCommandBuffer>
	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

5module;

6

7#include <span>

8

9export module helios.engine.runtime.timing.systems.TimerUpdateSystem;

10

11import helios.engine.runtime.timing.Timer;

12import helios.engine.runtime.timing.TimerManager;

13

14

15import helios.engine.runtime.world.UpdateContext;

16import helios.engine.runtime.messaging.command.NullCommandBuffer;

17import helios.engine.runtime.messaging.command.concepts.IsCommandBufferLike;

18

19import helios.engine.runtime.world.tags.SystemRole;

20

21import helios.engine.runtime.timing.types;

22import helios.engine.runtime.timing.commands;

23

24using namespace helios::engine::runtime::timing;

25

26using namespace helios::engine::runtime::timing::types;

27using namespace helios::engine::runtime::timing::commands;

28using namespace helios::engine::runtime::world;

29using namespace helios::engine::runtime::messaging::command;

30using namespace helios::engine::runtime::messaging::command::concepts;

31

32export namespace helios::engine::runtime::timing::systems {

33

43 template<typename TCommandBuffer = NullCommandBuffer>

44 requires IsCommandBufferLike<TCommandBuffer>

45 class TimerUpdateSystem {

46

50 TimerManager& timerManager_;

51

52 public:

53

54

55 using EngineRoleTag = helios::engine::runtime::world::tags::SystemRole;

56 using CommandBuffer_type = TCommandBuffer;

57

58

64 explicit TimerUpdateSystem(TimerManager& timerManager)

65 : timerManager_(timerManager) {}

66

72 void update(helios::engine::runtime::world::UpdateContext& updateContext, TCommandBuffer& cmdBuffer) noexcept {

73

74 for (auto& timer : timerManager_.timers()) {

75 if (timer.state() == TimerState::Running) {

76

77 timer.update(updateContext.deltaTime());

78

79 if (timer.duration() != 0.0f && timer.elapsed() >= timer.duration()) {

80 auto context = TimerControlContext{timer.timerId(), TimerState::Finished};

81 cmdBuffer.template add<TimerControlCommand>(context);

82 }

83 }

84 }

85 }

86

87 };

88

89}

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