ClearDirtySystem.ixx File

System template that clears dirty flags on active dirty-tracker components. More...

Included Headers

#include <helios.engine.core.concepts.IsDirtyTrackerLike> #include <helios.ecs.components> #include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.runtime.world.tags.SystemRole>

Namespaces Index

namespace	helios
namespace	engine
namespace	core
namespace	systems
namespace	components

Classes Index

class	ClearDirtySystem<TMemberHandle, TComponentSpecs>
	Generic ECS system that resets dirty state for configured component types. More...

Description

System template that clears dirty flags on active dirty-tracker components.

File Listing

The file content with the documentation metadata removed is:

1

5module;

6

7export module helios.engine.core.systems.ClearDirtySystem;

8

9import helios.engine.runtime.world.tags.SystemRole;

10import helios.engine.runtime.world.UpdateContext;

11

12import helios.ecs.components;

13

14import helios.engine.core.concepts.IsDirtyTrackerLike;

15

16using namespace helios::ecs::components;

17using namespace helios::engine::runtime::world;

18using namespace helios::engine::core::concepts;

19using namespace helios::engine::runtime::world::tags;

20export namespace helios::engine::core::systems {

21

32 template<typename TMemberHandle, typename ... TComponentSpecs>

33 requires (IsDirtyTrackerLike<typename TComponentSpecs::template type<TMemberHandle>> && ...)

34 class ClearDirtySystem {

35

42 template<typename TComponentSpec>

43 void clearDirtyFor(UpdateContext& updateContext) {

44

45 using Component = typename TComponentSpec::template type<TMemberHandle>;

46

47 for (auto [entity, cmp, active] : updateContext.view<

48 TMemberHandle,

49 Component,

50 Active<TMemberHandle>>().whereEnabled()) {

51 cmp->clearDirty();

52 }

53 }

54

55

56

57 public:

58

62 using EngineRoleTag = SystemRole;

63

69 void update(UpdateContext& updateContext) noexcept {

70 (clearDirtyFor<TComponentSpecs>(updateContext), ...);

71 }

72 };

73}

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