CommandTypeId.ixx File

Unique type identifier for command types. More...

Included Headers

#include <functional> #include <cstddef> #include <helios.ecs.types> #include <helios.ecs.TypeIndexer>

Namespaces Index

namespace	helios
namespace	engine
namespace	runtime
namespace	messaging
namespace	command
namespace	types

Classes Index

class	CommandTypeId
	Unique type identifier for command types. More...
struct	helios_engine_common_tag_CommandTypes
	Tag type for the TypeIndexer domain. More...
struct	hash<helios::engine::runtime::messaging::command::types::CommandTypeId>
	Hash specialization for CommandTypeId. More...

Description

Unique type identifier for command types.

File Listing

The file content with the documentation metadata removed is:

1

5module;

6

7#include <functional>

8#include <cstddef>

9

10export module helios.engine.runtime.messaging.command.types.CommandTypeId;

11

12import helios.ecs.TypeIndexer;

13import helios.ecs.types;

14

15export namespace helios::engine::runtime::messaging::command::types {

16

30 class CommandTypeId {

31

35 struct helios_engine_common_tag_CommandTypes{};

36

37 using ComponentType = helios_engine_common_tag_CommandTypes;

38

42 size_t id_{0};

43

44

45 public:

46

47

53 explicit CommandTypeId(const size_t id) : id_(id) {}

54

55

61 explicit CommandTypeId(helios::ecs::types::no_init_t) {}

62

63

69 [[nodiscard]] size_t value() const noexcept {

70 return id_;

71 }

72

73

84 template <typename T>

85 [[nodiscard]] static CommandTypeId id() {

86 static const size_t tid = helios::ecs::TypeIndexer<ComponentType>::typeIndex<T>();

87 return CommandTypeId(tid);

88 }

89

90 friend constexpr bool operator==(CommandTypeId, CommandTypeId) noexcept = default;

91 };

92

93

94}

95

96

100template<>

101struct std::hash<helios::engine::runtime::messaging::command::types::CommandTypeId> {

102 std::size_t operator()(const helios::engine::runtime::messaging::command::types::CommandTypeId& id) const noexcept {

103 return id.value();

104 }

105

106};

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