Score2UiTextUpdateSystem.ixx File

System for binding score values to UI text components. More...

Included Headers

#include <format> #include <helios.engine.common.tags.SystemRole> #include <helios.engine.mechanics.lifecycle.components.Active> #include <helios.engine.modules.ui.layout.components.NumberFormatterComponent> #include <helios.engine.modules.ui.widgets.components.UiTextComponent> #include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.runtime.world.GameWorld> #include <helios.engine.mechanics.scoring.components>

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	binding
	Data binding systems for UI components. More...
namespace	systems
	UI data binding systems. More...

Classes Index

class	Score2UiTextUpdateSystem
	System for binding score values to UI text components. More...

Description

System for binding score values to UI text components.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file Score2UiTextUpdateSystem.ixx

3 * @brief System for binding score values to UI text components.

4 */

5module;

6

7

8#include <format>

9

10

11

12export module helios.engine.modules.ui.binding.systems.Score2UiTextUpdateSystem;

13

14import helios.engine.mechanics.scoring.components;

15

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

17import helios.engine.runtime.world.UpdateContext;

18

19

20import helios.engine.modules.ui.widgets.components.UiTextComponent;

21

22import helios.engine.modules.ui.layout.components.NumberFormatterComponent;

23

24import helios.engine.mechanics.lifecycle.components.Active;

25

26

27import helios.engine.common.tags.SystemRole;

28

29export namespace helios::engine::modules::ui::binding::systems {

30

31 /**

32 * @brief System for binding score values to UI text components.

33 *

34 * Queries entities with ScoreObserverComponent, NumberFormatterComponent,

35 * and UiTextComponent. When the score observer signals an update, the

36 * formatted total score is propagated to the text component for display.

37 *

38 * @see ScoreObserverComponent

39 * @see NumberFormatterComponent

40 */

41 class Score2UiTextUpdateSystem {

42

43 public:

44

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

46

47 /**

48 * @brief Updates text components with current score values.

49 *

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

51 */

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

53

54 for (auto [entity, soc, nfc, txt, active] : updateContext.view<

55 helios::engine::mechanics::scoring::components::ScoreObserverComponent,

56 helios::engine::modules::ui::layout::components::NumberFormatterComponent,

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

58 helios::engine::mechanics::lifecycle::components::Active

59 >().whereEnabled()) {

60

61 if (!soc->hasUpdate()) {

62 continue;

63 }

64

65 txt->setText(nfc->format<double>(soc->totalScore()));

66 }

67 }

68

69 };

70

71}

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