Starshatter_Open
Open source Starshatter engine
 All Classes Files Functions Variables Typedefs Enumerations Enumerator Friends Macros
Light.h
Go to the documentation of this file.
1 /* Project nGenEx
2  Destroyer Studios LLC
3  Copyright © 1997-2004. All Rights Reserved.
4 
5  SUBSYSTEM: nGenEx.lib
6  FILE: Light.h
7  AUTHOR: John DiCamillo
8 
9 
10  OVERVIEW
11  ========
12  Dynamic Light Source
13 */
14 
15 #ifndef Light_h
16 #define Light_h
17 
18 #include "Geometry.h"
19 #include "Color.h"
20 
21 // +--------------------------------------------------------------------+
22 
23 #define LIGHT_DESTROY(x) if (x) { x->Destroy(); x = 0; }
24 
25 // +--------------------------------------------------------------------+
26 
27 class Scene;
28 
29 // +--------------------------------------------------------------------+
30 
31 class Light
32 {
33 public:
34  static const char* TYPENAME() { return "Light"; }
35 
36  enum TYPES {
37  LIGHT_POINT = 1,
38  LIGHT_SPOT = 2,
39  LIGHT_DIRECTIONAL = 3,
40  LIGHT_FORCE_DWORD = 0x7fffffff
41  };
42 
43  Light(float l=0.0f, float dl=1.0f, int time=-1);
44  virtual ~Light();
45 
46  int operator == (const Light& l) const { return id == l.id; }
47 
48  // operations
49  virtual void Update();
50 
51  // accessors / mutators
52  int Identity() const { return id; }
53  Point Location() const { return loc; }
54 
55  DWORD Type() const { return type; }
56  void SetType(DWORD t) { type = t; }
57  float Intensity() const { return light; }
58  void SetIntensity(float f) { light = f; }
59  Color GetColor() const { return color; }
60  void SetColor(Color c) { color = c; }
61  bool IsActive() const { return active; }
62  void SetActive(bool a) { active = a; }
63  bool CastsShadow() const { return shadow; }
64  void SetShadow(bool s) { shadow = s; }
65 
66  bool IsPoint() const { return type == LIGHT_POINT; }
67  bool IsSpot() const { return type == LIGHT_SPOT; }
68  bool IsDirectional() const { return type == LIGHT_DIRECTIONAL; }
69 
70  virtual void MoveTo(const Point& dst);
71  virtual void TranslateBy(const Point& ref);
72 
73  virtual int Life() const { return life; }
74  virtual void Destroy();
75  virtual Scene* GetScene() const { return scene; }
76  virtual void SetScene(Scene*s) { scene = s; }
77 
78 protected:
79  static int id_key;
80 
81  int id;
82  DWORD type;
83  Point loc;
84  int life;
85  float light;
86  float dldt;
87  Color color;
88  bool active;
89  bool shadow;
90  Scene* scene;
91 };
92 
93 // +--------------------------------------------------------------------+
94 
95 #endif Light_h
96