CollisionStateClearSystem.ixx File

System for resetting collision state components each frame. More...

Included Headers

#include <algorithm> #include <cassert> #include <cmath> #include <format> #include <helios/helios_config.h> #include <unordered_set> #include <vector> #include <helios.engine.common.tags.SystemRole> #include <helios.engine.mechanics.lifecycle.components.Active> #include <helios.engine.runtime.spawn.commands.DespawnCommand> #include <helios.engine.modules.physics.collision.components.CollisionStateComponent> #include <helios.engine.modules.physics.collision.types.CollisionBehavior> #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	physics
	Physics simulation and collision detection subsystem for the game engine. More...
namespace	collision
namespace	systems
	Collision detection and response systems. More...

Classes Index

class	CollisionStateClearSystem
	System that clears collision state components at the end of each frame. More...

Description

System for resetting collision state components each frame.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file CollisionStateClearSystem.ixx

3 * @brief System for resetting collision state components each frame.

4 */

5module;

6

7#include <algorithm>

8#include <cassert>

9#include <cmath>

10#include <format>

11#include <helios/helios_config.h>

12#include <unordered_set>

13#include <vector>

14

15

16export module helios.engine.modules.physics.collision.systems.CollisionStateClearSystem;

17

18import helios.engine.runtime.world.GameWorld;

19import helios.engine.runtime.world.UpdateContext;

20

21

22

23import helios.engine.modules.physics.collision.types.CollisionBehavior;

24

25import helios.engine.modules.physics.collision.components.CollisionStateComponent;

26

27import helios.engine.runtime.spawn.commands.DespawnCommand;

28

29import helios.engine.mechanics.lifecycle.components.Active;

30

31using namespace helios::engine::modules::physics::collision::components;

32using namespace helios::engine::modules::physics::collision::types;

33using namespace helios::engine::runtime::spawn::commands;

34

35

36

37import helios.engine.common.tags.SystemRole;

38

39export namespace helios::engine::modules::physics::collision::systems {

40

41 /**

42 * @brief System that clears collision state components at the end of each frame.

43 *

44 * @details This system iterates over all entities with a CollisionStateComponent

45 * and resets their collision state. It should run in the post-phase of the game loop

46 * to ensure collision data from the current frame does not persist into the next frame.

47 *

48 * Running this system after collision response systems have processed their events

49 * ensures a clean slate for the next collision detection pass.

50 */

51 class CollisionStateClearSystem {

52

53 public:

54

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

56 /**

57 * @brief Resets collision state for all entities with CollisionStateComponent.

58 *

59 * @param updateContext Context containing frame data and world access.

60 */

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

62 for (auto [entity, csc, active] : updateContext.view<

63 CollisionStateComponent,

64 helios::engine::mechanics::lifecycle::components::Active

65 >().whereEnabled()) {

66 csc->reset();

67 }

68 }

69

70 };

71

72

73}

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