/*  Project nGenEx
	Destroyer Studios LLC
	Copyright © 1997-2004. All Rights Reserved.

	SUBSYSTEM:    nGenEx.lib
	FILE:         Scene.h
	AUTHOR:       John DiCamillo


	OVERVIEW
	========
	A 3D Scene, basically a collection of 3D graphic objects
*/

#ifndef Scene_h
#define Scene_h

#include "Types.h"
#include "Color.h"
#include "Geometry.h"
#include "List.h"

// +--------------------------------------------------------------------+

class  Graphic;
class  Light;

// +--------------------------------------------------------------------+

class Scene
{
public:
	static const char* TYPENAME() { return "Scene"; }

	Scene();
	virtual ~Scene();

	void              AddBackground(Graphic* g);
	void              DelBackground(Graphic* g);
	void              AddForeground(Graphic* g);
	void              DelForeground(Graphic* g);
	void              AddGraphic(Graphic* g);
	void              DelGraphic(Graphic* g);
	void              AddSprite(Graphic* g);
	void              DelSprite(Graphic* g);

	void              AddLight(Light* l);
	void              DelLight(Light* l);

	List<Graphic>&    Background()               { return background; }
	List<Graphic>&    Foreground()               { return foreground; }
	List<Graphic>&    Graphics()                 { return graphics;   }
	List<Graphic>&    Sprites()                  { return sprites;    }
	List<Light>&      Lights()                   { return lights;     }
	Color             Ambient()                  { return ambient;    }
	void              SetAmbient(Color  a)       { ambient = a; }

	virtual void      Collect();

	virtual bool      IsLightObscured(const Point& obj_pos,
	const Point& light_pos,
	double       obj_radius,
	Point*       imp_point=0) const;

protected:
	List<Graphic>     background;
	List<Graphic>     foreground;
	List<Graphic>     graphics;
	List<Graphic>     sprites;
	List<Light>       lights;
	Color             ambient;
};

// +--------------------------------------------------------------------+

#endif Scene_h