libgender/entity.h

#ifndef ENTITY_H
#define ENTITY_H

#include <vector>

#include "opengl.h"

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

using namespace std;
using namespace gl;

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

  geometry_opengl ();
  ~geometry_opengl ();
};

template<GLenum type>
struct geometry_opengl1d : geometry_opengl, vector<vertex_v3f>
{
  void set (const vector<vertex_v3f> &v);
  void draw (view &ctx);
};

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

  geometry_opengl2d () : m(0) { };

  void set (const vector<vertex_t2f_n3f_v3f> &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<vertex_t2f_n3f_v3f>
{
  GLUnurbsObj *nurb;
  GLUtesselator *tess;
  GLfloat ctlpoints[4][4][3];

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

struct geometry_sphere : geometry
{
  material *m;
  GLfloat radius;

  void update ();
  void draw (view &ctx);
  geometry_sphere (material *m, GLfloat radius) : m(m), radius(radius) { update (); };
};

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

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 ();
  virtual void hide ();

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

struct entity_light : entity
{
  light *lview;
};

/////////////////////////////////////////////////////////////////////////////
//
// VERY EXPERIMENTAL HEIGHTMAP

struct geometry_heightfield : geometry
{
  struct node;

  node *tree;

  GLfloat sx, sy, sm;

  void update ();
  void draw (view &ctx);
  geometry_heightfield (GLfloat sx, GLfloat sy);
};

#endif


Revision:	1.31
Committed:	Thu Nov 4 04:46:58 2004 UTC (19 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.30:	+2 -1 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#ifndef ENTITY_H
2			#define ENTITY_H
3
4	root	1.22	#include <vector>
5	root	1.1
6	root	1.22	#include "opengl.h"
7	root	1.1
8	root	1.5	#include "util.h"
9	root	1.1	#include "oct.h"
10	root	1.8	#include "view.h"
11	root	1.22	#include "material.h"
12	root	1.1
13			using namespace std;
14	root	1.24	using namespace gl;
15	root	1.1
16	root	1.22	struct geometry
17			{
18	root	1.19	geometry *parent;
19	root	1.1	box bbox;
20
21	root	1.19	virtual void update ()
22	root	1.15	{
23	root	1.19	if (parent)
24			parent->update ();
25	root	1.15	}
26
27	root	1.19	virtual void draw (view &ctx) = 0;
28			geometry (geometry *parent = 0) : parent(parent) { };
29			virtual ~geometry ();
30	root	1.1	};
31
32	root	1.22	struct geometry_opengl : geometry
33			{
34	root	1.19	GLuint list; // TODO: dynamic caching
35	root	1.13
36	root	1.19	geometry_opengl ();
37			~geometry_opengl ();
38	root	1.1	};
39
40			template<GLenum type>
41	root	1.24	struct geometry_opengl1d : geometry_opengl, vector<vertex_v3f>
42	root	1.22	{
43	root	1.24	void set (const vector<vertex_v3f> &v);
44	root	1.18	void draw (view &ctx);
45	root	1.1	};
46
47			template<GLenum type>
48	root	1.22	struct geometry_opengl2d : geometry_opengl
49			{
50			material *m;
51
52			geometry_opengl2d () : m(0) { };
53	root	1.6
54	root	1.24	void set (const vector<vertex_t2f_n3f_v3f> &v);
55	root	1.18	void draw (view &ctx);
56	root	1.1	};
57
58	root	1.19	typedef geometry_opengl1d<GL_POINTS> geometry_points;
59			typedef geometry_opengl1d<GL_LINES> geometry_lines;
60			typedef geometry_opengl1d<GL_LINE_STRIP> geometry_line_strip;
61			typedef geometry_opengl1d<GL_LINE_LOOP> geometry_line_loop;
62			typedef geometry_opengl2d<GL_TRIANGLES> geometry_triangles;
63			typedef geometry_opengl2d<GL_TRIANGLE_STRIP> geometry_triangle_strip;
64			typedef geometry_opengl2d<GL_TRIANGLE_FAN> geometry_triangle_fan;
65			typedef geometry_opengl2d<GL_QUADS> geometry_quads;
66			typedef geometry_opengl2d<GL_QUAD_STRIP> geometry_quad_strip;
67			typedef geometry_opengl2d<GL_POLYGON> geometry_polygon;
68	root	1.20
69	root	1.24	struct geometry_nurbs : geometry, vector<vertex_t2f_n3f_v3f>
70	root	1.22	{
71	root	1.20	GLUnurbsObj *nurb;
72	root	1.21	GLUtesselator *tess;
73	root	1.20	GLfloat ctlpoints[4][4][3];
74
75	root	1.21	geometry_nurbs() : tess(0), nurb(0) { }
76	root	1.20	virtual void draw (view &ctx);
77			void set ();
78			};
79	root	1.11
80	root	1.23	struct geometry_sphere : geometry
81			{
82	root	1.31	material *m;
83	root	1.23	GLfloat radius;
84
85			void update ();
86			void draw (view &ctx);
87	root	1.31	geometry_sphere (material *m, GLfloat radius) : m(m), radius(radius) { update (); };
88	root	1.23	};
89
90			/////////////////////////////////////////////////////////////////////////////
91
92	root	1.22	struct geometry_filter : geometry
93			{
94	root	1.16	protected:
95	root	1.19	geometry *g;
96	root	1.16	public:
97	root	1.11
98	root	1.19	void set (geometry *g);
99
100			geometry *content () { return g; };
101	root	1.11
102	root	1.16	void update ();
103	root	1.11	void show ();
104	root	1.18	void draw (view &ctx);
105	root	1.19	geometry_filter (geometry *g = 0) { set (g); }
106			~geometry_filter ();
107			};
108
109	root	1.22	struct geometry_transform : geometry_filter
110			{
111	root	1.19	protected:
112			matrix m;
113			public:
114			void update ();
115
116			void show ();
117			void draw (view &ctx);
118	root	1.17	void set_matrix (const matrix &xfrm);
119			void update (const matrix &xfrm);
120	root	1.19
121			geometry_transform (geometry *g) : geometry_filter(g), m(1) { };
122			geometry_transform () : geometry_filter(0), m(1) { };
123	root	1.11	};
124	root	1.1
125	root	1.22	struct geometry_anim : geometry_transform
126			{
127	root	1.12	GLfloat vx, vy, vz;
128	root	1.18	void draw (view &ctx);
129	root	1.19	};
130
131	root	1.22	struct geometry_container : geometry, protected vector<geometry *>
132			{
133	root	1.19	void update ();
134
135			void add (geometry *g);
136			void draw (view &ctx);
137			~geometry_container ();
138			};
139
140			/////////////////////////////////////////////////////////////////////////////
141
142	root	1.22	struct entity : geometry_filter
143			{
144	root	1.19	sector orig;
145			point p;
146			sector a, b; // bounding box corners
147
148			vector<octant *> o;
149
150			void update ();
151			void draw (view &ctx);
152
153			void move (const vec3 &v);
154
155	root	1.22	virtual void show ();
156			virtual void hide ();
157	root	1.19
158			entity (geometry *g = 0);
159			~entity ();
160	root	1.12	};
161	root	1.22
162	root	1.30	struct entity_light : entity
163	root	1.22	{
164	root	1.30	light *lview;
165	root	1.22	};
166
167	root	1.27	/////////////////////////////////////////////////////////////////////////////
168			//
169			// VERY EXPERIMENTAL HEIGHTMAP
170
171			struct geometry_heightfield : geometry
172			{
173			struct node;
174
175			node *tree;
176
177	root	1.29	GLfloat sx, sy, sm;
178
179	root	1.27	void update ();
180			void draw (view &ctx);
181	root	1.28	geometry_heightfield (GLfloat sx, GLfloat sy);
182	root	1.27	};
183
184	root	1.1	#endif
185
186
187