U4DEngine::U4DSceneStateInterface Class Reference

The U4DSceneStateInterface class represents the scene state interface. More...

Inherited by U4DEngine::U4DSceneActiveState, U4DEngine::U4DSceneIdleState, and U4DEngine::U4DSceneLoadingState.

Public Member Functions
virtual	~U4DSceneStateInterface ()
	Scene Interface destructor.
virtual void	enter (U4DScene *uScene)=0
	enters new state More...
virtual void	execute (U4DScene *uScene, double dt)=0
	executes current state More...
virtual void	render (U4DScene *uScene, id< MTLCommandBuffer > uCommandBuffer)=0
	Renders current scene. More...
virtual void	exit (U4DScene *uScene)=0
	exits current state More...
virtual bool	isSafeToChangeState (U4DScene *uScene)=0
	true if is safe to change states More...

Detailed Description

The U4DSceneStateInterface class represents the scene state interface.

Member Function Documentation

enter()

virtual void U4DEngine::U4DSceneStateInterface::enter ( U4DScene *  uScene )

pure virtual

enters new state

Parameters

uScene

scene to enter into new state

Implemented in U4DEngine::U4DSceneActiveState, U4DEngine::U4DSceneLoadingState, and U4DEngine::U4DSceneIdleState.

execute()

virtual void U4DEngine::U4DSceneStateInterface::execute ( U4DScene *  uScene, double  dt  )

pure virtual

executes current state

Parameters

uScene	scene to execute
dt	game tick

Implemented in U4DEngine::U4DSceneActiveState, U4DEngine::U4DSceneLoadingState, and U4DEngine::U4DSceneIdleState.

exit()

virtual void U4DEngine::U4DSceneStateInterface::exit ( U4DScene *  uScene )

pure virtual

exits current state

Parameters

uScene

scene to exit

Implemented in U4DEngine::U4DSceneActiveState, U4DEngine::U4DSceneIdleState, and U4DEngine::U4DSceneLoadingState.

isSafeToChangeState()

virtual bool U4DEngine::U4DSceneStateInterface::isSafeToChangeState ( U4DScene *  uScene )

pure virtual

true if is safe to change states

Parameters

uScene

current scene

Implemented in U4DEngine::U4DSceneActiveState, U4DEngine::U4DSceneIdleState, and U4DEngine::U4DSceneLoadingState.

render()

virtual void U4DEngine::U4DSceneStateInterface::render ( U4DScene *  uScene, id< MTLCommandBuffer >  uCommandBuffer  )

pure virtual

Renders current scene.

Parameters

uScene	scene to render
uRenderEncoder	metal render encoder

Implemented in U4DEngine::U4DSceneActiveState, U4DEngine::U4DSceneLoadingState, and U4DEngine::U4DSceneIdleState.