TransformClearSystem.ixx File

System for resetting dirty flags on TransformComponents. More...

Included Headers

#include <helios.engine.mechanics.lifecycle.components.Active> #include <helios.engine.modules.spatial.transform.components.ScaleStateComponent> #include <helios.engine.modules.spatial.transform.components.ComposeTransformComponent> #include <helios.engine.modules.scene.components.SceneNodeComponent> #include <helios.engine.ecs.System> #include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.runtime.world.GameWorld>

Namespaces Index

namespace	helios
namespace	engine
	Main engine module aggregating core infrastructure and game systems. More...
namespace	modules
	Domain-specific components and systems. More...
namespace	spatial
namespace	transform
	Transform components and systems for spatial state management. More...
namespace	systems
	Transform composition systems. More...

Classes Index

class	TransformClearSystem
	System that clears the dirty state of TransformComponents and ScaleComponents at the end of a frame. More...

Description

System for resetting dirty flags on TransformComponents.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file TransformClearSystem.ixx

3 * @brief System for resetting dirty flags on TransformComponents.

4 */

5module;

6

7

8

9export module helios.engine.modules.spatial.transform.systems.TransformClearSystem;

10

11import helios.engine.runtime.world.GameWorld;

12import helios.engine.ecs.System;

13import helios.engine.runtime.world.UpdateContext;

14

15import helios.engine.modules.scene.components.SceneNodeComponent;

16import helios.engine.modules.spatial.transform.components.ComposeTransformComponent;

17

18import helios.engine.modules.spatial.transform.components.ScaleStateComponent;

19

20import helios.engine.mechanics.lifecycle.components.Active;

21

22export namespace helios::engine::modules::spatial::transform::systems {

23

24 /**

25 * @brief System that clears the dirty state of TransformComponents and ScaleComponents

26 * at the end of a frame.

27 *

28 * @details This system runs in the post-update phase. It iterates over all

29 * TransformComponents and resets their dirty flag if it was set. This ensures that

30 * changes are only processed once per frame by other systems (like SceneSyncSystem).

31 */

32 class TransformClearSystem : public helios::engine::ecs::System {

33

34

35 public:

36

37 /**

38 * @brief Updates the system, clearing dirty flags of Transform- and ScaleStateComponent.

39 *

40 * @param updateContext The update context.

41 */

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

43

44 for (auto [entity, tc, active] : gameWorld_->view<

45 helios::engine::modules::spatial::transform::components::ComposeTransformComponent,

46 helios::engine::mechanics::lifecycle::components::Active

47 >().whereEnabled()) {

48 tc->clearDirty();

49 }

50

51 for (auto [entity, sc, active] : gameWorld_->view<

52 helios::engine::modules::spatial::transform::components::ScaleStateComponent,

53 helios::engine::mechanics::lifecycle::components::Active

54 >().whereEnabled()) {

55 sc->clearDirty();

56 }

57

58 }

59

60 };

61

62}

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