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/* Project nGenEx
Destroyer Studios LLC
Copyright © 1997-2004. All Rights Reserved.
SUBSYSTEM: nGenEx.lib
FILE: Light.h
AUTHOR: John DiCamillo
OVERVIEW
========
Dynamic Light Source
*/
#ifndef Light_h
#define Light_h
#include "Geometry.h"
#include "Color.h"
// +--------------------------------------------------------------------+
#define LIGHT_DESTROY(x) if (x) { x->Destroy(); x = 0; }
// +--------------------------------------------------------------------+
class Scene;
// +--------------------------------------------------------------------+
class Light
{
public:
static const char* TYPENAME() { return "Light"; }
enum TYPES {
LIGHT_POINT = 1,
LIGHT_SPOT = 2,
LIGHT_DIRECTIONAL = 3,
LIGHT_FORCE_DWORD = 0x7fffffff
};
Light(float l=0.0f, float dl=1.0f, int time=-1);
virtual ~Light();
int operator == (const Light& l) const { return id == l.id; }
// operations
virtual void Update();
// accessors / mutators
int Identity() const { return id; }
Point Location() const { return loc; }
DWORD Type() const { return type; }
void SetType(DWORD t) { type = t; }
float Intensity() const { return light; }
void SetIntensity(float f) { light = f; }
Color GetColor() const { return color; }
void SetColor(Color c) { color = c; }
bool IsActive() const { return active; }
void SetActive(bool a) { active = a; }
bool CastsShadow() const { return shadow; }
void SetShadow(bool s) { shadow = s; }
bool IsPoint() const { return type == LIGHT_POINT; }
bool IsSpot() const { return type == LIGHT_SPOT; }
bool IsDirectional() const { return type == LIGHT_DIRECTIONAL; }
virtual void MoveTo(const Point& dst);
virtual void TranslateBy(const Point& ref);
virtual int Life() const { return life; }
virtual void Destroy();
virtual Scene* GetScene() const { return scene; }
virtual void SetScene(Scene*s) { scene = s; }
protected:
static int id_key;
int id;
DWORD type;
Point loc;
int life;
float light;
float dldt;
Color color;
bool active;
bool shadow;
Scene* scene;
};
// +--------------------------------------------------------------------+
#endif Light_h
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