helios::ecs::TryInsertResourceCmd< T > Class Template Reference

Command to try insert a resource (only if missing). More...

#include <builtin_commands.hpp>

Public Member Functions
constexpr	TryInsertResourceCmd (const T &resource) noexcept(std::is_nothrow_copy_constructible_v< T >)
	Constructs try insert resource command from an lvalue.
constexpr	TryInsertResourceCmd (T &&resource) noexcept(std::is_nothrow_move_constructible_v< T >)
	Constructs try insert resource command from an rvalue.
constexpr	TryInsertResourceCmd (const TryInsertResourceCmd &) noexcept=default
constexpr	TryInsertResourceCmd (TryInsertResourceCmd &&) noexcept=default
constexpr	~TryInsertResourceCmd () noexcept=default
constexpr TryInsertResourceCmd &	operator= (const TryInsertResourceCmd &) noexcept=default
constexpr TryInsertResourceCmd &	operator= (TryInsertResourceCmd &&) noexcept=default
void	Execute (World &world)
	Executes resource insertion if it doesn't exist.

Detailed Description

template<ResourceTrait T>
class helios::ecs::TryInsertResourceCmd< T >

Command to try insert a resource (only if missing).

Inserts resource of type T into the world during execution only if it doesn't already exist. If resource already exists, it will be left unchanged.

Template Parameters

T	Resource type

Definition at line 525 of file builtin_commands.hpp.

Constructor & Destructor Documentation

TryInsertResourceCmd() [1/4]

template<ResourceTrait T>

helios::ecs::TryInsertResourceCmd< T >::TryInsertResourceCmd ( const T & resource )

inlineexplicitconstexprnoexcept

Constructs try insert resource command from an lvalue.

Parameters

resource

Resource to copy

Definition at line 531 of file builtin_commands.hpp.

TryInsertResourceCmd() [2/4]

template<ResourceTrait T>

helios::ecs::TryInsertResourceCmd< T >::TryInsertResourceCmd ( T && resource )

inlineexplicitconstexprnoexcept

Constructs try insert resource command from an rvalue.

Parameters

resource

Resource to move

Definition at line 539 of file builtin_commands.hpp.

TryInsertResourceCmd() [3/4]

template<ResourceTrait T>

helios::ecs::TryInsertResourceCmd< T >::TryInsertResourceCmd ( const TryInsertResourceCmd< T > & )

constexprdefaultnoexcept

TryInsertResourceCmd() [4/4]

template<ResourceTrait T>

helios::ecs::TryInsertResourceCmd< T >::TryInsertResourceCmd ( TryInsertResourceCmd< T > && )

constexprdefaultnoexcept

~TryInsertResourceCmd()

template<ResourceTrait T>

helios::ecs::TryInsertResourceCmd< T >::~TryInsertResourceCmd ( )

constexprdefaultnoexcept

Member Function Documentation

Execute()

template<ResourceTrait T>

void helios::ecs::TryInsertResourceCmd< T >::Execute ( World & world )

inline

Executes resource insertion if it doesn't exist.

Parameters

world

World to insert resource into

Definition at line 557 of file builtin_commands.hpp.

operator=() [1/2]

template<ResourceTrait T>

TryInsertResourceCmd & helios::ecs::TryInsertResourceCmd< T >::operator= ( const TryInsertResourceCmd< T > & )

constexprdefaultnoexcept

operator=() [2/2]

template<ResourceTrait T>

TryInsertResourceCmd & helios::ecs::TryInsertResourceCmd< T >::operator= ( TryInsertResourceCmd< T > && )

constexprdefaultnoexcept