libgender/entity.h

#ifndef ENTITY_H
#define ENTITY_H

#include <GL/gl.h>

#include <vector>

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

using namespace std;

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

  virtual void update_bbox ();
  virtual void show () { world.add (this); };
  void hide ();
  void display (draw_context &ctx);
  virtual void draw (draw_context &ctx) = 0;

  entity_base ();
  virtual ~entity_base ();
};

struct entity_container : entity_base, protected vector<entity_base *> {
  void add (entity_base *e)
  {
    push_back (e);
    e->parent = this;
    update_bbox ();
  }

  void update_bbox ();
  void show ();
  void draw (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;
    update_bbox ();
  }

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

  entity_base *content () { return e; };

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

struct entity : entity_filter {
};

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 {
  GLuint list;

  entity_opengl ();
  ~entity_opengl ();
};

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

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

  void set (const vector<vertex2d> &v);
  void draw (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 entity_transform : entity_filter {
  gl_matrix m;

  entity_transform ();

  void update_bbox ();
  void show ();
  void draw (draw_context &ctx);
};

struct entity_anim : entity_transform {
  GLfloat vx, vy, vz;
  void draw (draw_context &ctx);
};

#endif


Revision:	1.15
Committed:	Mon Oct 4 07:04:58 2004 UTC (19 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.14:	+8 -1 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#ifndef ENTITY_H
2			#define ENTITY_H
3
4			#include <GL/gl.h>
5
6			#include <vector>
7
8	root	1.5	#include "util.h"
9	root	1.1	#include "oct.h"
10	root	1.8	#include "view.h"
11	root	1.1
12			using namespace std;
13
14			struct entity_base {
15			struct entity_base *parent;
16	root	1.10	sector orig;
17	root	1.1	vector<octant *> o;
18			box bbox;
19
20			virtual void update_bbox ();
21	root	1.11	virtual void show () { world.add (this); };
22	root	1.1	void hide ();
23	root	1.10	void display (draw_context &ctx);
24	root	1.8	virtual void draw (draw_context &ctx) = 0;
25	root	1.10
26			entity_base ();
27			virtual ~entity_base ();
28	root	1.1	};
29
30			struct entity_container : entity_base, protected vector<entity_base *> {
31	root	1.15	void add (entity_base *e)
32			{
33			push_back (e);
34			e->parent = this;
35			update_bbox ();
36			}
37
38	root	1.1	void update_bbox ();
39	root	1.10	void show ();
40	root	1.8	void draw (draw_context &ctx);
41	root	1.1	~entity_container ();
42			};
43
44			struct entity_filter : entity_base {
45			protected:
46			entity_base *e;
47			public:
48
49			void set (entity_base *e)
50			{
51			this->e = e;
52			e->parent = this;
53	root	1.15	update_bbox ();
54	root	1.1	}
55
56			void remove ()
57			{
58			this->e->parent = 0;
59			this->e = 0;
60			}
61
62			entity_base *content () { return e; };
63
64			void update_bbox ();
65	root	1.10	void show ();
66	root	1.8	void draw (draw_context &ctx);
67	root	1.1	~entity_filter ();
68			};
69
70			struct entity : entity_filter {
71			};
72
73			struct vertex1d {
74	root	1.3	colour c; // colour
75	root	1.2	point p; // vertex
76	root	1.1	};
77
78			struct vertex2d {
79	root	1.6	point p; // vertex
80			vec3 n; // normal
81			texc t; // texture
82	root	1.3
83			vertex2d () { };
84	root	1.6	vertex2d (point p, vec3 n, texc t = texc()) : p(p), n(n), t(t) { };
85			};
86
87			struct entity_opengl : entity_base {
88	root	1.13	GLuint list;
89
90			entity_opengl ();
91			~entity_opengl ();
92	root	1.1	};
93
94			template<GLenum type>
95	root	1.6	struct entity_opengl1d : entity_opengl, vector<vertex1d> {
96	root	1.1	void update_bbox ();
97	root	1.8	void draw (draw_context &ctx);
98	root	1.1	};
99
100			template<GLenum type>
101	root	1.13	struct entity_opengl2d : entity_opengl {
102	root	1.6	material m;
103
104	root	1.13	void set (const vector<vertex2d> &v);
105	root	1.8	void draw (draw_context &ctx);
106	root	1.1	};
107
108			typedef entity_opengl1d<GL_POINTS> entity_points;
109			typedef entity_opengl1d<GL_LINES> entity_lines;
110	root	1.2	typedef entity_opengl1d<GL_LINE_STRIP> entity_line_strip;
111			typedef entity_opengl1d<GL_LINE_LOOP> entity_line_loop;
112	root	1.1	typedef entity_opengl2d<GL_TRIANGLES> entity_triangles;
113	root	1.2	typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_triangle_strip;
114			typedef entity_opengl2d<GL_TRIANGLE_FAN> entity_triangle_fan;
115	root	1.1	typedef entity_opengl2d<GL_QUADS> entity_quads;
116			typedef entity_opengl2d<GL_QUAD_STRIP> entity_quad_strip;
117			typedef entity_opengl2d<GL_POLYGON> entity_polygon;
118	root	1.11
119			struct entity_transform : entity_filter {
120			gl_matrix m;
121
122			entity_transform ();
123
124			void update_bbox ();
125			void show ();
126			void draw (draw_context &ctx);
127			};
128	root	1.1
129	root	1.12	struct entity_anim : entity_transform {
130			GLfloat vx, vy, vz;
131			void draw (draw_context &ctx);
132			};
133
134	root	1.1	#endif
135
136
137