UiTextBoundsUpdateSystem.ixx File

System for updating UI text element bounds. More...

Included Headers

#include <helios.engine.modules.rendering.model.components.ModelAabbComponent> #include <helios.engine.common.tags.SystemRole> #include <helios.engine.mechanics.lifecycle.components.Active> #include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.runtime.world.GameWorld> #include <helios.engine.modules.ui.widgets.components.UiTextComponent>

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	ui
	User interface components and systems for game entities. More...
namespace	widgets
	UI widget components and systems. More...
namespace	systems
	UI widget processing systems. More...

Classes Index

class	UiTextBoundsUpdateSystem
	System for updating UI text element bounds. More...

Description

System for updating UI text element bounds.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file UiTextBoundsUpdateSystem.ixx

3 * @brief System for updating UI text element bounds.

4 */

5module;

6

7

8

9export module helios.engine.modules.ui.widgets.systems.UiTextBoundsUpdateSystem;

10

11import helios.engine.modules.ui.widgets.components.UiTextComponent;

12

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

14import helios.engine.runtime.world.UpdateContext;

15

16import helios.engine.mechanics.lifecycle.components.Active;

17

18import helios.engine.modules.rendering.model.components.ModelAabbComponent;

19

20import helios.engine.common.tags.SystemRole;

21

22export namespace helios::engine::modules::ui::widgets::systems {

23

24

25 /**

26 * @brief System for updating UI text element bounds.

27 *

28 * Monitors UiTextComponent for resize requests and updates the associated

29 * ModelAabbComponent with the new text bounds from the underlying TextRenderable.

30 */

31 class UiTextBoundsUpdateSystem {

32

33 public:

34

35

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

37

38

39 /**

40 * @brief Updates AABB bounds for text components that need resizing.

41 *

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

43 */

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

45

46 for (auto [entity, txt, mac, active] : updateContext.view<

47 helios::engine::modules::ui::widgets::components::UiTextComponent,

48 helios::engine::modules::rendering::model::components::ModelAabbComponent,

49 helios::engine::mechanics::lifecycle::components::Active

50 >().whereEnabled()) {

51

52 if (txt->needsResize()) {

53 auto aabb = txt->renderable()->localAABB();

54 mac->setAabb(aabb);

55 txt->resizeComplete();

56 }

57 }

58 }

59

60 };

61

62}

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