libgender/entity.h

#ifndef ENTITY_H
#define ENTITY_H

#include <GL/gl.h>
#include <GL/glu.h>

#include <vector>

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

using namespace std;

struct geometry {
  geometry *parent;
  box bbox;

  virtual void update ()
  {
    if (parent)
      parent->update ();
  }

  virtual void draw (view &ctx) = 0;
  geometry (geometry *parent = 0) : parent(parent) { };
  virtual ~geometry ();
};

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 geometry_opengl : geometry {
  GLuint list; // TODO: dynamic caching

  geometry_opengl ();
  ~geometry_opengl ();
};

template<GLenum type>
struct geometry_opengl1d : geometry_opengl, vector<vertex1d> {
  void set (const vector<vertex1d> &v);
  void draw (view &ctx);
};

template<GLenum type>
struct geometry_opengl2d : geometry_opengl {
  material m;

  void set (const vector<vertex2d> &v);
  void draw (view &ctx);
};

typedef geometry_opengl1d<GL_POINTS>         geometry_points;
typedef geometry_opengl1d<GL_LINES>          geometry_lines;
typedef geometry_opengl1d<GL_LINE_STRIP>     geometry_line_strip;
typedef geometry_opengl1d<GL_LINE_LOOP>      geometry_line_loop;
typedef geometry_opengl2d<GL_TRIANGLES>      geometry_triangles;
typedef geometry_opengl2d<GL_TRIANGLE_STRIP> geometry_triangle_strip;
typedef geometry_opengl2d<GL_TRIANGLE_FAN>   geometry_triangle_fan;
typedef geometry_opengl2d<GL_QUADS>          geometry_quads;
typedef geometry_opengl2d<GL_QUAD_STRIP>     geometry_quad_strip;
typedef geometry_opengl2d<GL_POLYGON>        geometry_polygon;

struct geometry_nurbs : geometry, vector<vertex2d> {
  GLUnurbsObj *nurb;
  GLUtesselator *tess;
  GLfloat ctlpoints[4][4][3];

  geometry_nurbs() : tess(0), nurb(0) { }
  virtual void draw (view &ctx);
  void set ();
};

struct geometry_filter : geometry {
protected:
  geometry *g;
public:

  void set (geometry *g);

  geometry *content () { return g; };

  void update ();
  void show ();
  void draw (view &ctx);
  geometry_filter (geometry *g = 0) { set (g); }
  ~geometry_filter ();
};

struct geometry_transform : geometry_filter {
protected:
  matrix m;
public:
  void update ();

  void show ();
  void draw (view &ctx);
  void set_matrix (const matrix &xfrm);
  void update (const matrix &xfrm);

  geometry_transform (geometry *g) : geometry_filter(g), m(1) { };
  geometry_transform () : geometry_filter(0), m(1) { };
};

struct geometry_anim : geometry_transform {
  GLfloat vx, vy, vz;
  void draw (view &ctx);
};

struct geometry_container : geometry, protected vector<geometry *> {
  void update ();

  void add (geometry *g);
  void draw (view &ctx);
  ~geometry_container ();
};

/////////////////////////////////////////////////////////////////////////////

struct entity : geometry_filter {
  sector orig;
  point p;
  sector a, b; // bounding box corners

  vector<octant *> o;

  void update ();
  void draw (view &ctx);

  void move (const vec3 &v);

  virtual void show () { if (!o.size ()) world.add (this); };
  void hide ();
  void display (view &ctx);

  entity (geometry *g = 0);
  ~entity ();
};
#endif


Revision:	1.21
Committed:	Sun Oct 10 00:22:49 2004 UTC (19 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.20:	+2 -2 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	root	1.20	#include <GL/glu.h>
6	root	1.1
7			#include <vector>
8
9	root	1.5	#include "util.h"
10	root	1.1	#include "oct.h"
11	root	1.8	#include "view.h"
12	root	1.1
13			using namespace std;
14
15	root	1.19	struct geometry {
16			geometry *parent;
17	root	1.1	box bbox;
18
19	root	1.19	virtual void update ()
20	root	1.15	{
21	root	1.19	if (parent)
22			parent->update ();
23	root	1.15	}
24
25	root	1.19	virtual void draw (view &ctx) = 0;
26			geometry (geometry *parent = 0) : parent(parent) { };
27			virtual ~geometry ();
28	root	1.1	};
29
30			struct vertex1d {
31	root	1.3	colour c; // colour
32	root	1.2	point p; // vertex
33	root	1.1	};
34
35			struct vertex2d {
36	root	1.6	point p; // vertex
37			vec3 n; // normal
38			texc t; // texture
39	root	1.3
40			vertex2d () { };
41	root	1.6	vertex2d (point p, vec3 n, texc t = texc()) : p(p), n(n), t(t) { };
42			};
43
44	root	1.19	struct geometry_opengl : geometry {
45			GLuint list; // TODO: dynamic caching
46	root	1.13
47	root	1.19	geometry_opengl ();
48			~geometry_opengl ();
49	root	1.1	};
50
51			template<GLenum type>
52	root	1.19	struct geometry_opengl1d : geometry_opengl, vector<vertex1d> {
53			void set (const vector<vertex1d> &v);
54	root	1.18	void draw (view &ctx);
55	root	1.1	};
56
57			template<GLenum type>
58	root	1.19	struct geometry_opengl2d : geometry_opengl {
59	root	1.6	material m;
60
61	root	1.13	void set (const vector<vertex2d> &v);
62	root	1.18	void draw (view &ctx);
63	root	1.1	};
64
65	root	1.19	typedef geometry_opengl1d<GL_POINTS> geometry_points;
66			typedef geometry_opengl1d<GL_LINES> geometry_lines;
67			typedef geometry_opengl1d<GL_LINE_STRIP> geometry_line_strip;
68			typedef geometry_opengl1d<GL_LINE_LOOP> geometry_line_loop;
69			typedef geometry_opengl2d<GL_TRIANGLES> geometry_triangles;
70			typedef geometry_opengl2d<GL_TRIANGLE_STRIP> geometry_triangle_strip;
71			typedef geometry_opengl2d<GL_TRIANGLE_FAN> geometry_triangle_fan;
72			typedef geometry_opengl2d<GL_QUADS> geometry_quads;
73			typedef geometry_opengl2d<GL_QUAD_STRIP> geometry_quad_strip;
74			typedef geometry_opengl2d<GL_POLYGON> geometry_polygon;
75	root	1.20
76			struct geometry_nurbs : geometry, vector<vertex2d> {
77			GLUnurbsObj *nurb;
78	root	1.21	GLUtesselator *tess;
79	root	1.20	GLfloat ctlpoints[4][4][3];
80
81	root	1.21	geometry_nurbs() : tess(0), nurb(0) { }
82	root	1.20	virtual void draw (view &ctx);
83			void set ();
84			};
85	root	1.11
86	root	1.19	struct geometry_filter : geometry {
87	root	1.16	protected:
88	root	1.19	geometry *g;
89	root	1.16	public:
90	root	1.11
91	root	1.19	void set (geometry *g);
92
93			geometry *content () { return g; };
94	root	1.11
95	root	1.16	void update ();
96	root	1.11	void show ();
97	root	1.18	void draw (view &ctx);
98	root	1.19	geometry_filter (geometry *g = 0) { set (g); }
99			~geometry_filter ();
100			};
101
102			struct geometry_transform : geometry_filter {
103			protected:
104			matrix m;
105			public:
106			void update ();
107
108			void show ();
109			void draw (view &ctx);
110	root	1.17	void set_matrix (const matrix &xfrm);
111			void update (const matrix &xfrm);
112	root	1.19
113			geometry_transform (geometry *g) : geometry_filter(g), m(1) { };
114			geometry_transform () : geometry_filter(0), m(1) { };
115	root	1.11	};
116	root	1.1
117	root	1.19	struct geometry_anim : geometry_transform {
118	root	1.12	GLfloat vx, vy, vz;
119	root	1.18	void draw (view &ctx);
120	root	1.19	};
121
122			struct geometry_container : geometry, protected vector<geometry *> {
123			void update ();
124
125			void add (geometry *g);
126			void draw (view &ctx);
127			~geometry_container ();
128			};
129
130			/////////////////////////////////////////////////////////////////////////////
131
132			struct entity : geometry_filter {
133			sector orig;
134			point p;
135			sector a, b; // bounding box corners
136
137			vector<octant *> o;
138
139			void update ();
140			void draw (view &ctx);
141
142			void move (const vec3 &v);
143
144			virtual void show () { if (!o.size ()) world.add (this); };
145			void hide ();
146			void display (view &ctx);
147
148			entity (geometry *g = 0);
149			~entity ();
150	root	1.12	};
151	root	1.1	#endif
152
153
154