Method GetExistingSystem

GetExistingSystem<T>()

Return a handle to an existing instance of a system of type T in this World.

Declaration

public SystemHandle GetExistingSystem<T>()
    where T : ComponentSystemBase

Returns

Type	Description
SystemHandle	A handle to the existing instance of system type T in this World. If no such instance exists, the method returns default.

Type Parameters

Name	Description
T	The system type

GetExistingSystem(Type)

Return a handle to an existing instance of a system of type type in this World. Prefer the version that takes a SystemTypeIndex where possible to avoid unnecessary reflection.

Declaration

public SystemHandle GetExistingSystem(Type type)

Parameters

Type	Name	Description
Type	type	The system type

Returns

Type	Description
SystemHandle	A handle to the existing instance of system type type in this World. If no such instance exists, the method returns default.

GetExistingSystem(SystemTypeIndex)

Return a handle to an existing instance of a system of type type in this World. This version avoids unnecessary reflection.

Declaration

public SystemHandle GetExistingSystem(SystemTypeIndex type)

Parameters

Type	Name	Description
SystemTypeIndex	type	The system type

Returns

Type	Description
SystemHandle	A handle to the existing instance of system type type in this World. If no such instance exists, the method returns default.