virtualx-engine/scene/3d/visibility_notifier.h

/*************************************************************************/
/*  visibility_notifier.h                                                */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
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/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur.                 */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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#ifndef VISIBILITY_NOTIFIER_H
#define VISIBILITY_NOTIFIER_H

#include "scene/3d/spatial.h"

class Camera;
class VisibilityNotifier : public Spatial {

	OBJ_TYPE(VisibilityNotifier,Spatial);

	Set<Camera*> cameras;

	AABB aabb;

protected:

	virtual void _screen_enter() {}
	virtual void _screen_exit() {}

	void _notification(int p_what);
	static void _bind_methods();
friend class SpatialIndexer;

	void _enter_camera(Camera* p_camera);
	void _exit_camera(Camera* p_camera);

public:

	void set_aabb(const AABB& p_aabb);
	AABB get_aabb() const;
	bool is_on_screen() const;

	VisibilityNotifier();
};


class VisibilityEnabler : public VisibilityNotifier {

	OBJ_TYPE(VisibilityEnabler,VisibilityNotifier);
public:

	enum Enabler {
		ENABLER_PAUSE_ANIMATIONS,
		ENABLER_FREEZE_BODIES,
		ENABLER_MAX
	};

protected:

	virtual void _screen_enter();
	virtual void _screen_exit();

	bool visible;

	void _find_nodes(Node* p_node);

	Map<Node*,Variant> nodes;
	void _node_removed(Node* p_node);
	bool enabler[ENABLER_MAX];

	void _change_node_state(Node* p_node,bool p_enabled);

	void _notification(int p_what);
	static void _bind_methods();

public:

	void set_enabler(Enabler p_enabler,bool p_enable);
	bool is_enabler_enabled(Enabler p_enabler) const;

	VisibilityEnabler();

};

VARIANT_ENUM_CAST(VisibilityEnabler::Enabler);


#endif // VISIBILITY_NOTIFIER_H