libgender/entity.h

#ifndef ENTITY_H
#define ENTITY_H

#include <GL/gl.h>

#include <vector>

#include "util.h"
#include "oct.h"

using namespace std;

struct entity_base {
  struct entity_base *parent;
  vector<octant *> o;
  box bbox;

  virtual void update_bbox ();
  virtual void show (const sector &sec) { };
  void hide ();
  virtual void draw (const draw_context &ctx) = 0;
  virtual ~entity_base ()
  {
    hide ();
  };
};

struct entity_container : entity_base, protected vector<entity_base *> {
  void add (entity_base *e) { push_back (e); e->parent = this; }
  void update_bbox ();
  void show (const sector &sec);
  void draw (const draw_context &ctx);
  ~entity_container ();
};

struct entity_filter : entity_base {
protected:
  entity_base *e;
public:

  void set (entity_base *e)
  {
    this->e = e;
    e->parent = this;
  }

  void remove ()
  {
    this->e->parent = 0;
    this->e = 0;
  }

  entity_base *content () { return e; };

  void update_bbox ();
  void show (const sector &sec);
  void draw (const draw_context &ctx);
  ~entity_filter ();
};

struct entity : entity_filter {
  sector sec;

  void show (const sector &sec);
  void show ();
  void draw (const draw_context &ctx);
};

struct entity_affine : entity_filter {
  //matrix m;
};

struct vertex1d {
  colour c; // colour
  point  p; // vertex
};

struct vertex2d {
  point p; // vertex
  vec3  n; // normal
  texc  t; // texture

  vertex2d () { };
  vertex2d (point p, vec3 n, texc t = texc()) : p(p), n(n), t(t) { };
};

struct entity_opengl : entity_base {
};

template<GLenum type>
struct entity_opengl1d : entity_opengl, vector<vertex1d> {
  void update_bbox ();
  void show (const sector &sec);
  void draw (const draw_context &ctx);
};

template<GLenum type>
struct entity_opengl2d : entity_opengl, vector<vertex2d> {
  material m;

  void update_bbox ();
  void show (const sector &sec);
  void draw (const draw_context &ctx);
};

typedef entity_opengl1d<GL_POINTS>         entity_points;
typedef entity_opengl1d<GL_LINES>          entity_lines;
typedef entity_opengl1d<GL_LINE_STRIP>     entity_line_strip;
typedef entity_opengl1d<GL_LINE_LOOP>      entity_line_loop;
typedef entity_opengl2d<GL_TRIANGLES>      entity_triangles;
typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_triangle_strip;
typedef entity_opengl2d<GL_TRIANGLE_FAN>   entity_triangle_fan;
typedef entity_opengl2d<GL_QUADS>          entity_quads;
typedef entity_opengl2d<GL_QUAD_STRIP>     entity_quad_strip;
typedef entity_opengl2d<GL_POLYGON>        entity_polygon;

struct view {
  point p;
  vec3 d, u;
  float fov;
  int w, h;

  void draw (const draw_context &ctx);
};

#endif


Revision:	1.6
Committed:	Sun Oct 3 03:17:09 2004 UTC (19 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.5:	+11 -7 lines
Log Message:	* empty log message *
#	Content
1	#ifndef ENTITY_H
2	#define ENTITY_H
3
4	#include <GL/gl.h>
5
6	#include <vector>
7
8	#include "util.h"
9	#include "oct.h"
10
11	using namespace std;
12
13	struct entity_base {
14	struct entity_base *parent;
15	vector<octant *> o;
16	box bbox;
17
18	virtual void update_bbox ();
19	virtual void show (const sector &sec) { };
20	void hide ();
21	virtual void draw (const draw_context &ctx) = 0;
22	virtual ~entity_base ()
23	{
24	hide ();
25	};
26	};
27
28	struct entity_container : entity_base, protected vector<entity_base *> {
29	void add (entity_base *e) { push_back (e); e->parent = this; }
30	void update_bbox ();
31	void show (const sector &sec);
32	void draw (const draw_context &ctx);
33	~entity_container ();
34	};
35
36	struct entity_filter : entity_base {
37	protected:
38	entity_base *e;
39	public:
40
41	void set (entity_base *e)
42	{
43	this->e = e;
44	e->parent = this;
45	}
46
47	void remove ()
48	{
49	this->e->parent = 0;
50	this->e = 0;
51	}
52
53	entity_base *content () { return e; };
54
55	void update_bbox ();
56	void show (const sector &sec);
57	void draw (const draw_context &ctx);
58	~entity_filter ();
59	};
60
61	struct entity : entity_filter {
62	sector sec;
63
64	void show (const sector &sec);
65	void show ();
66	void draw (const draw_context &ctx);
67	};
68
69	struct entity_affine : entity_filter {
70	//matrix m;
71	};
72
73	struct vertex1d {
74	colour c; // colour
75	point p; // vertex
76	};
77
78	struct vertex2d {
79	point p; // vertex
80	vec3 n; // normal
81	texc t; // texture
82
83	vertex2d () { };
84	vertex2d (point p, vec3 n, texc t = texc()) : p(p), n(n), t(t) { };
85	};
86
87	struct entity_opengl : entity_base {
88	};
89
90	template<GLenum type>
91	struct entity_opengl1d : entity_opengl, vector<vertex1d> {
92	void update_bbox ();
93	void show (const sector &sec);
94	void draw (const draw_context &ctx);
95	};
96
97	template<GLenum type>
98	struct entity_opengl2d : entity_opengl, vector<vertex2d> {
99	material m;
100
101	void update_bbox ();
102	void show (const sector &sec);
103	void draw (const draw_context &ctx);
104	};
105
106	typedef entity_opengl1d<GL_POINTS> entity_points;
107	typedef entity_opengl1d<GL_LINES> entity_lines;
108	typedef entity_opengl1d<GL_LINE_STRIP> entity_line_strip;
109	typedef entity_opengl1d<GL_LINE_LOOP> entity_line_loop;
110	typedef entity_opengl2d<GL_TRIANGLES> entity_triangles;
111	typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_triangle_strip;
112	typedef entity_opengl2d<GL_TRIANGLE_FAN> entity_triangle_fan;
113	typedef entity_opengl2d<GL_QUADS> entity_quads;
114	typedef entity_opengl2d<GL_QUAD_STRIP> entity_quad_strip;
115	typedef entity_opengl2d<GL_POLYGON> entity_polygon;
116
117	struct view {
118	point p;
119	vec3 d, u;
120	float fov;
121	int w, h;
122
123	void draw (const draw_context &ctx);
124	};
125
126	#endif
127
128
129