TypedWorldCommandDispatcher.ixx File

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

Included Headers

#include <memory> #include <helios.engine.runtime.messaging.command.WorldCommandDispatcher> #include <helios.engine.runtime.messaging.command.WorldCommand>

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	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	TypedWorldCommandDispatcher<T>
	Type-safe dispatcher template for handling specific WorldCommand types. More...

Description

Type-safe dispatcher template for WorldCommand handling.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file TypedWorldCommandDispatcher.ixx

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

4 */

5module;

6

7#include <memory>

8

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

10

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

12import helios.engine.runtime.messaging.command.WorldCommandDispatcher;

13

14

15export namespace helios::engine::modules {

16 class GameWorld;

17}

18

19export namespace helios::engine::runtime::messaging::command {

20

21 /**

22 * @brief Type-safe dispatcher template for handling specific WorldCommand types.

23 *

24 * @tparam T The concrete WorldCommand type this dispatcher handles.

25 *

26 * @details TypedWorldCommandDispatcher provides a type-safe bridge between the

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

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

29 *

30 * @see WorldCommandDispatcher for the base interface

31 * @see CommandBuffer::addDispatcher for registration

32 */

33 template<typename T>

34 class TypedWorldCommandDispatcher : public WorldCommandDispatcher {

35 static_assert(std::is_base_of_v<WorldCommand, T>, "T must derive from WorldCommand");

36

37 protected:

38

39 /**

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

41 *

42 * @param gameWorld The game world context.

43 * @param command The typed command to process.

44 *

45 * @note Implementations must be noexcept.

46 */

47 virtual void dispatchTyped(

48 helios::engine::runtime::world::GameWorld& gameWorld,

49 const T& command

50 ) noexcept = 0;

51

52 public:

53

54 /**

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

56 *

57 * @param gameWorld The game world context.

58 * @param command The base command reference.

59 */

60 void dispatch(

61 helios::engine::runtime::world::GameWorld& gameWorld,

62 const WorldCommand& command

63 ) override {

64 dispatchTyped(gameWorld, static_cast<const T&>(command));

65 }

66

67 };

68

69

70}

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