TypedTargetedCommandDispatcher.ixx File

Type-safe dispatcher template for TargetedCommand handling. More...

Included Headers

#include <memory> #include <helios.engine.ecs.GameObject> #include <helios.engine.runtime.messaging.command.TargetedCommandDispatcher>

Namespaces Index

namespace	helios
namespace	engine
	Main engine module aggregating core infrastructure and game systems. More...
namespace	runtime
	Runtime infrastructure for game execution and lifecycle orchestration. More...
namespace	messaging
	Communication infrastructure for commands and events. More...
namespace	command
	Command pattern implementation for deferred action execution. More...

Classes Index

class	TypedTargetedCommandDispatcher<T>
	Type-safe dispatcher template for handling specific TargetedCommand types. More...

Description

Type-safe dispatcher template for TargetedCommand handling.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file TypedTargetedCommandDispatcher.ixx

3 * @brief Type-safe dispatcher template for TargetedCommand handling.

4 */

5module;

6

7#include <memory>

8

9export module helios.engine.runtime.messaging.command.TypedTargetedCommandDispatcher;

10

11import helios.engine.runtime.messaging.command.TargetedCommandDispatcher;

12

13import helios.engine.ecs.GameObject;

14

15

16export namespace helios::engine::runtime::messaging::command {

17

18 class TargetedCommand;

19

20 /**

21 * @brief Type-safe dispatcher template for handling specific TargetedCommand types.

22 *

23 * @tparam T The concrete TargetedCommand type this dispatcher handles.

24 *

25 * @details TypedTargetedCommandDispatcher provides a type-safe bridge between the

26 * polymorphic dispatch() method and a typed dispatchTyped() handler. Derived

27 * classes override dispatchTyped() to handle commands with full type information.

28 *

29 * @see TargetedCommandDispatcher for the base interface

30 * @see CommandBuffer::addDispatcher for registration

31 */

32 template<typename T>

33 class TypedTargetedCommandDispatcher : public TargetedCommandDispatcher {

34 static_assert(std::is_base_of_v<TargetedCommand, T>, "T must derive from TargetedCommand");

35

36 protected:

37

38 /**

39 * @brief Handles the dispatched command with full type information.

40 *

41 * @param gameObject The target GameObject.

42 * @param command The typed command to process.

43 *

44 * @note Implementations must be noexcept.

45 */

46 virtual void dispatchTyped(

47 helios::engine::ecs::GameObject gameObject,

48 const T& command

49 ) noexcept = 0;

50

51 public:

52

53 /**

54 * @brief Dispatches the command by downcasting to the concrete type.

55 *

56 * @param gameObject The target GameObject.

57 * @param command The base command reference.

58 */

59 void dispatch(

60 helios::engine::ecs::GameObject gameObject,

61 const TargetedCommand& command

62 ) override {

63 dispatchTyped(gameObject, static_cast<const T&>(command));

64 }

65 };

66

67

68}

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