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Comparing libgender/entity.h (file contents):
Revision 1.17 by root, Tue Oct 5 03:39:47 2004 UTC vs.
Revision 1.36 by root, Thu Aug 11 19:28:45 2005 UTC

1#ifndef ENTITY_H 1#ifndef ENTITY_H
2#define ENTITY_H 2#define ENTITY_H
3 3
4#include <GL/gl.h>
5
6#include <vector> 4#include <vector>
5
6#include <iostream>
7#include "opengl.h"
7 8
8#include "util.h" 9#include "util.h"
9#include "oct.h" 10#include "oct.h"
10#include "view.h" 11#include "view.h"
12#include "material.h"
11 13
12using namespace std; 14using namespace std;
15using namespace gl;
13 16
14struct entity_base { 17struct geometry
15 struct entity_base *parent; 18{
16 sector orig; 19 geometry *parent;
17 vector<octant *> o;
18 box bbox; 20 box bbox;
19 21
20 virtual void update (); 22 virtual void update ()
21 virtual void show () { world.add (this); }; 23 {
24 if (parent)
25 parent->update ();
26 }
27
28 virtual void draw (view &ctx) = 0;
29 geometry (geometry *parent = 0) : parent(parent) { };
30 virtual ~geometry ();
31};
32
33struct geometry_opengl : geometry
34{
35 GLuint list; // TODO: dynamic caching
36
37 geometry_opengl ();
38 ~geometry_opengl ();
39};
40
41template<GLenum type>
42struct geometry_opengl1d : geometry_opengl, vector<vertex_v3f>
43{
44 void set (const vector<vertex_v3f> &v);
45 void draw (view &ctx);
46};
47
48template<GLenum type>
49struct geometry_opengl2d : geometry_opengl
50{
51 material *m;
52
53 geometry_opengl2d () : m(0) { };
54
55 void set (const vector<vertex_t2f_n3f_v3f> &v);
56 void draw (view &ctx);
57};
58
59typedef geometry_opengl1d<GL_POINTS> geometry_points;
60typedef geometry_opengl1d<GL_LINES> geometry_lines;
61typedef geometry_opengl1d<GL_LINE_STRIP> geometry_line_strip;
62typedef geometry_opengl1d<GL_LINE_LOOP> geometry_line_loop;
63typedef geometry_opengl2d<GL_TRIANGLES> geometry_triangles;
64typedef geometry_opengl2d<GL_TRIANGLE_STRIP> geometry_triangle_strip;
65typedef geometry_opengl2d<GL_TRIANGLE_FAN> geometry_triangle_fan;
66typedef geometry_opengl2d<GL_QUADS> geometry_quads;
67typedef geometry_opengl2d<GL_QUAD_STRIP> geometry_quad_strip;
68typedef geometry_opengl2d<GL_POLYGON> geometry_polygon;
69
70struct geometry_nurbs : geometry, vector<vertex_t2f_n3f_v3f>
71{
72 GLUnurbsObj *nurb;
73 GLUtesselator *tess;
74 GLfloat ctlpoints[4][4][3];
75
76 geometry_nurbs() : tess(0), nurb(0) { }
77 virtual void draw (view &ctx);
22 void hide (); 78 void set ();
23 void display (draw_context &ctx);
24 virtual void draw (draw_context &ctx) = 0;
25
26 entity_base ();
27 virtual ~entity_base ();
28}; 79};
29 80
30struct entity_container : entity_base, protected vector<entity_base *> { 81struct geometry_sphere : geometry
31 void add (entity_base *e) 82{
32 { 83 material *m;
33 push_back (e); 84 GLfloat radius;
34 e->parent = this; 85
35 update (); 86 void update ();
87 void draw (view &ctx);
88 geometry_sphere (material *m, GLfloat radius) : m(m), radius(radius) { update (); };
89};
90
91struct geometry_indexed_2d : geometry
92{
93 material *m;
94
95 GLenum type;
96
97 vertex_buffer vb;
98 index_buffer ib;
99
100 void draw (view &ctx);
101
102 template <typename vertex, typename index>
103 geometry_indexed_2d (material *m, GLenum type, const vector<vertex> &v, const vector<index> &i)
104 : m(m), type(type)
105 {
106 vb.set (v);
107 ib.set (i);
108
109 bbox.reset ();
110 for (typename vector<vertex>::const_iterator i = v.begin () ; i != v.end (); ++i)
111 bbox.add (i->v);
36 } 112 }
113
114};
115
116/////////////////////////////////////////////////////////////////////////////
117
118struct geometry_filter : geometry
119{
120protected:
121 geometry *g;
122public:
123
124 void set (geometry *g);
125
126 geometry *content () { return g; };
37 127
38 void update (); 128 void update ();
39 void show (); 129 void show ();
40 void draw (draw_context &ctx); 130 void draw (view &ctx);
41 ~entity_container (); 131 geometry_filter (geometry *g = 0) { set (g); }
42};
43
44struct entity_filter : entity_base {
45protected:
46 entity_base *e;
47public:
48
49 void set (entity_base *e)
50 {
51 this->e = e;
52 e->parent = this;
53 update ();
54 }
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 ();
65 void show ();
66 void draw (draw_context &ctx);
67 ~entity_filter (); 132 ~geometry_filter ();
68}; 133};
69 134
70struct entity : entity_filter {
71};
72
73struct vertex1d {
74 colour c; // colour
75 point p; // vertex
76};
77
78struct 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
87struct entity_opengl : entity_base {
88 GLuint list;
89
90 entity_opengl ();
91 ~entity_opengl ();
92};
93
94template<GLenum type>
95struct entity_opengl1d : entity_opengl, vector<vertex1d> {
96 void update ();
97 void draw (draw_context &ctx);
98};
99
100template<GLenum type>
101struct entity_opengl2d : entity_opengl {
102 material m;
103
104 void set (const vector<vertex2d> &v);
105 void draw (draw_context &ctx);
106};
107
108typedef entity_opengl1d<GL_POINTS> entity_points;
109typedef entity_opengl1d<GL_LINES> entity_lines;
110typedef entity_opengl1d<GL_LINE_STRIP> entity_line_strip;
111typedef entity_opengl1d<GL_LINE_LOOP> entity_line_loop;
112typedef entity_opengl2d<GL_TRIANGLES> entity_triangles;
113typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_triangle_strip;
114typedef entity_opengl2d<GL_TRIANGLE_FAN> entity_triangle_fan;
115typedef entity_opengl2d<GL_QUADS> entity_quads;
116typedef entity_opengl2d<GL_QUAD_STRIP> entity_quad_strip;
117typedef entity_opengl2d<GL_POLYGON> entity_polygon;
118
119struct entity_transform : entity_filter { 135struct geometry_transform : geometry_filter
136{
120protected: 137protected:
121 matrix m; 138 matrix m;
122 void renormalize ();
123public: 139public:
124
125 entity_transform ();
126
127 void update (); 140 void update ();
141
128 void show (); 142 void show ();
129 void draw (draw_context &ctx); 143 void draw (view &ctx);
130 void set_matrix (const matrix &xfrm); 144 void set_matrix (const matrix &xfrm);
131 void update (const matrix &xfrm); 145 void update (const matrix &xfrm);
132};
133 146
147 geometry_transform (geometry *g) : geometry_filter(g), m(1) { };
148 geometry_transform () : geometry_filter(0), m(1) { };
149};
150
134struct entity_anim : entity_transform { 151struct geometry_anim : geometry_transform
152{
135 GLfloat vx, vy, vz; 153 GLfloat vx, vy, vz;
136 void draw (draw_context &ctx); 154 void draw (view &ctx);
155};
156
157struct geometry_container : geometry, protected vector<geometry *>
158{
159 void update ();
160
161 void add (geometry *g);
162 void draw (view &ctx);
163 ~geometry_container ();
164};
165
166/////////////////////////////////////////////////////////////////////////////
167
168struct entity_visibility : visibility_base {
169 entity *e;
170 double next; // time of next check
171 int occ_res;
172
173 void clear ()
174 {
175 next = 0.;
176 occ_res = -1;
177 }
178
179 entity_visibility (entity &e)
180 : e(&e)
181 {
182 clear ();
183 }
184};
185
186struct entity : geometry_filter, visible
187{
188 sector orig;
189 point p;
190 sector a, b; // bounding box corners
191
192 vector<octant *> o;
193
194 void update ();
195 void draw (view &ctx);
196
197 void move (const vec3 &v);
198
199 virtual void show ();
200 virtual void hide ();
201
202 visibility_base *new_visibility ();
203 void clear_visibility (visibility_base *vs);
204
205 entity (geometry *g = 0);
206 ~entity ();
207};
208
209struct entity_moveable : entity
210{
211 vec3 v;
212 entity_moveable (geometry *g = 0) : entity (g) { }
213
214 void perform_step (double t);
215};
216
217struct entity_light : entity
218{
219 light *lview;
220};
221
222/////////////////////////////////////////////////////////////////////////////
223// not the final API(!)
224
225struct skybox
226{
227 texture *tex[6];
228
229 skybox (
230 const char *left,
231 const char *front,
232 const char *right,
233 const char *back,
234 const char *top,
235 const char *bottom
236 );
237
238 ~skybox ();
239
240 void draw (view &ctx);
241};
242
243/////////////////////////////////////////////////////////////////////////////
244//
245// VERY EXPERIMENTAL HEIGHTMAP
246
247struct geometry_heightfield : geometry
248{
249 struct node;
250
251 node *tree;
252
253 GLfloat sx, sy, sm;
254
255 void update ();
256 void draw (view &ctx);
257 geometry_heightfield (GLfloat sx, GLfloat sy);
137}; 258};
138 259
139#endif 260#endif
140 261
141 262

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