Source file for Scene base class and Manager interface.

Code Map

//! Source file for Scene base class and Manager interface.
module charge.game.scene.scene;


//! A interface back to the main controller, often the main game loop.
interface Manager
{
public:
	//! Push this scene to top of the stack.
	fn push(Scene);
	//! Remove this scene from the stack.
	fn remove(Scene);
	//! The given scene wants to be deleted.
	fn closeMe(Scene);
}

//! A scene often is a level, menu overlay or a loading screen.
class Scene
{
public:
	enum Flag
	{
		TakesInput,
		Transparent,
		Blocker,
		AlwaysOnTop,
	}

	enum Type
	{
		Background,
		Game,
		Menu,
		Overlay,
	}


public:
	flags: Flag;


public:
	this(m: Manager, type: Type) { }
	//! Shutdown this scene, this is called by the Manager.
	fn close();
	//! Called every time actions should be updated, timepoint given is when
	//! next frame is to be displayed.
	fn updateActions(timepoint: i64);
	//! Step the game logic one step.
	fn logic();
	//! Render view of this scene into target.
	fn render(gfx.Target, gfx.ViewInfo);
	//! Install all input listeners.
	fn assumeControl();
	//! Uninstall all input listeners.
	fn dropControl();


protected:
	mManager: Manager;
}