Runtime metadata for a registered component type. More...

#include <manager.hpp>

Public Types
using	InitColumnFn = void (*)(container::TypedBufferArray<>&)
	Type-erased function to initialize a column with the correct concrete type.
using	MoveColumnElementFn
	Type-erased function to move one element from a source column row into the back of a target column.
using	DefaultPushFn = void (*)(container::TypedBufferArray<>&)
	Type-erased function to push a default-constructed element onto a column.

Static Public Member Functions
template<ComponentTrait T>
static consteval ComponentMetadata	From () noexcept
	Creates metadata for a component type.

Public Attributes
ComponentTypeIndex	type_index
std::string_view	name
size_t	size = 0
size_t	alignment = 0
ComponentStorageType	storage_type = ComponentStorageType::kArchetype
bool	is_tag = false
InitColumnFn	init_column = nullptr
MoveColumnElementFn	move_column_element = nullptr
DefaultPushFn	default_push = nullptr

Detailed Description

Runtime metadata for a registered component type.

Stores runtime information required for type-erased component storage and migration between archetypes.

Definition at line 42 of file manager.hpp.

Member Typedef Documentation

◆ DefaultPushFn

using helios::ecs::ComponentMetadata::DefaultPushFn = void (*)(container::TypedBufferArray<>&)

Type-erased function to push a default-constructed element onto a column.

Definition at line 62 of file manager.hpp.

◆ InitColumnFn

using helios::ecs::ComponentMetadata::InitColumnFn = void (*)(container::TypedBufferArray<>&)

Type-erased function to initialize a column with the correct concrete type.

Definition at line 52 of file manager.hpp.

◆ MoveColumnElementFn

using helios::ecs::ComponentMetadata::MoveColumnElementFn

Initial value:

void (*)(container::TypedBufferArray<>& dst,
                                      container::TypedBufferArray<>& src,
                                      size_t src_row)

Type-erased function to move one element from a source column row into the back of a target column.

Definition at line 56 of file manager.hpp.

Member Function Documentation

◆ From()

template<ComponentTrait T>

ComponentMetadata helios::ecs::ComponentMetadata::From ( )

staticnodiscardconstevalnoexcept

Creates metadata for a component type.

Template Parameters

T	Component type

Returns: Populated metadata

Definition at line 78 of file manager.hpp.

Member Data Documentation

◆ alignment

size_t helios::ecs::ComponentMetadata::alignment = 0

Definition at line 46 of file manager.hpp.

◆ default_push

DefaultPushFn helios::ecs::ComponentMetadata::default_push = nullptr

Definition at line 66 of file manager.hpp.

◆ init_column

InitColumnFn helios::ecs::ComponentMetadata::init_column = nullptr

Definition at line 64 of file manager.hpp.

◆ is_tag

bool helios::ecs::ComponentMetadata::is_tag = false

Definition at line 48 of file manager.hpp.

◆ move_column_element

MoveColumnElementFn helios::ecs::ComponentMetadata::move_column_element = nullptr

Definition at line 65 of file manager.hpp.

◆ name

std::string_view helios::ecs::ComponentMetadata::name

Definition at line 44 of file manager.hpp.

◆ size

size_t helios::ecs::ComponentMetadata::size = 0

Definition at line 45 of file manager.hpp.

◆ storage_type

ComponentStorageType helios::ecs::ComponentMetadata::storage_type = ComponentStorageType::kArchetype

Definition at line 47 of file manager.hpp.

◆ type_index

ComponentTypeIndex helios::ecs::ComponentMetadata::type_index

Definition at line 43 of file manager.hpp.

Public Types

Static Public Member Functions

Public Attributes