WindowBasedShutdownSystem.ixx File

System that requests runtime shutdown when no active windows remain. More...

Included Headers

#include <helios.engine.platform.environment.components> #include <helios.ecs.components.Active> #include <helios.engine.platform.lifecycle.commands> #include <helios.engine.runtime.messaging.command.NullCommandBuffer> #include <helios.engine.platform.environment.concepts> #include <helios.engine.runtime.messaging.command.concepts.IsCommandBufferLike> #include <helios.engine.runtime.world> #include <helios.engine.platform.window.components> #include <helios.engine.runtime.world.tags.SystemRole> #include <helios.engine.platform.window.concepts> #include <helios.engine.runtime.world.UpdateContext>

Namespaces Index

namespace	helios
namespace	engine
namespace	platform
namespace	lifecycle
namespace	systems

Classes Index

class	WindowBasedShutdownSystem<THandle, TCommandBuffer>
	Queues ShutdownCommand when no active window entities are left. More...

Description

System that requests runtime shutdown when no active windows remain.

File Listing

The file content with the documentation metadata removed is:

1

5module;

6

7export module helios.engine.platform.lifecycle.systems.WindowBasedShutdownSystem;

8

9

10

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

12

13import helios.engine.runtime.world.tags.SystemRole;

14

15import helios.engine.runtime.world;

16import helios.engine.runtime.messaging.command.NullCommandBuffer;

17import helios.engine.runtime.messaging.command.concepts.IsCommandBufferLike;

18

19import helios.ecs.components.Active;

20

21import helios.engine.platform.window.components;

22import helios.engine.platform.window.concepts;

23

24import helios.engine.platform.lifecycle.commands;

25import helios.engine.platform.environment.components;

26import helios.engine.platform.environment.concepts;

27

28using namespace helios::engine::runtime::world::tags;

29using namespace helios::engine::runtime::world;

30using namespace helios::engine::runtime::messaging::command;

31using namespace helios::engine::runtime::messaging::command::concepts;

32using namespace helios::engine::platform::environment::components;

33using namespace helios::engine::platform::window::components;

34using namespace helios::engine::platform::window::concepts;

35using namespace helios::engine::platform::environment::concepts;

36using namespace helios::engine::platform::lifecycle::commands;

37using namespace helios::ecs::components;

38

39export namespace helios::engine::platform::lifecycle::systems {

40

46 template<typename THandle, typename TCommandBuffer = NullCommandBuffer>

47 requires IsWindowHandle<THandle> && IsCommandBufferLike<TCommandBuffer>

48 class WindowBasedShutdownSystem {

49

50 public:

51

52 using CommandBuffer_type = TCommandBuffer;

53

57 using EngineRoleTag = SystemRole;

58

65 void update(UpdateContext& updateContext, TCommandBuffer& cmdBuffer) noexcept {

66

67 if (updateContext.view<THandle, WindowComponent<THandle>, Active<THandle>>().whereEnabled().empty()) {

68 cmdBuffer.template add<ShutdownCommand>();

69 }

70

71

72 }

73

74 };

75

76

77

78}

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