ResourceTypeId.ixx File

Unique type identifier for engine resources. More...

Included Headers

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

Namespaces Index

namespace	helios
namespace	engine
namespace	runtime
namespace	world
namespace	types

Classes Index

class	ResourceTypeId
	Unique type identifier for engine resources. More...
struct	helios_engine_common_tag_ResourceTypes
	Tag type for the TypeIndexer domain. More...
struct	hash<helios::engine::runtime::world::types::ResourceTypeId>
	Hash specialization for ResourceTypeId. More...

Description

Unique type identifier for engine resources.

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.world.types.ResourceTypeId;

11

12import helios.ecs.TypeIndexer;

13import helios.ecs.types;

14

15export namespace helios::engine::runtime::world::types {

16

33 class ResourceTypeId {

34

38 struct helios_engine_common_tag_ResourceTypes{};

39

40 using ResourceType = helios_engine_common_tag_ResourceTypes;

41

45 size_t id_{0};

46

47

48 public:

49

50

56 explicit ResourceTypeId(const size_t id) : id_(id) {}

57

58

64 explicit ResourceTypeId(helios::ecs::types::no_init_t) {}

65

66

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

73 return id_;

74 }

75

76

87 template <typename T>

88 [[nodiscard]] static ResourceTypeId id() {

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

90 return ResourceTypeId(tid);

91 }

92

93 friend constexpr bool operator==(ResourceTypeId, ResourceTypeId) noexcept = default;

94 };

95

96

97}

98

99

103template<>

104struct std::hash<helios::engine::runtime::world::types::ResourceTypeId> {

105 std::size_t operator()(const helios::engine::runtime::world::types::ResourceTypeId& id) const noexcept {

106 return id.value();

107 }

108

109};

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