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Comparing libgender/entity.h (file contents):
Revision 1.1 by root, Sat Oct 2 15:54:43 2004 UTC vs.
Revision 1.5 by root, Sun Oct 3 02:38:33 2004 UTC

… …
3 3
4#include <GL/gl.h> 4#include <GL/gl.h>
5 5
6#include <vector> 6#include <vector>
7 7
8#include "util.h"
8#include "oct.h" 9#include "oct.h"
9 10
10using namespace std; 11using namespace std;
11
12typedef unsigned int soffs; // 32 bit
13const soffs soffs_max = 1UL << 31;
14
15#define GLFLOAT_MAX 1e30
16#define GLFLOAT_MIN -1e30
17
18struct sector {
19 soffs x, y, z;
20};
21
22struct point {
23 GLfloat x, y, z;
24};
25
26struct colour {
27 GLfloat r, g, b;
28};
29
30struct vect {
31 GLfloat x, y, z;
32};
33
34struct texc {
35 GLfloat u, v;
36};
37
38struct box {
39 point a, b;
40
41 void reset ()
42 {
43 a.x = a.y = a.z = GLFLOAT_MAX;
44 b.x = b.y = b.z = GLFLOAT_MIN;
45 }
46
47 void add (const box &o);
48};
49 12
50struct entity_base { 13struct entity_base {
51 struct entity_base *parent; 14 struct entity_base *parent;
52 vector<octant *> o; 15 vector<octant *> o;
53 box bbox; 16 box bbox;
54 17
55 virtual void update_bbox (); 18 virtual void update_bbox ();
56 virtual void show (const sector &sec) { }; 19 virtual void show (const sector &sec) { };
57 void hide (); 20 void hide ();
58 virtual void draw () = 0; 21 virtual void draw (const draw_context &ctx) = 0;
59 virtual ~entity_base () 22 virtual ~entity_base ()
60 { 23 {
61 hide (); 24 hide ();
62 }; 25 };
63}; 26};
64 27
65struct entity_container : entity_base, protected vector<entity_base *> { 28struct entity_container : entity_base, protected vector<entity_base *> {
29 void add (entity_base *e) { push_back (e); e->parent = this; }
66 void update_bbox (); 30 void update_bbox ();
67 void show (const sector &sec); 31 void show (const sector &sec);
68 void draw (); 32 void draw (const draw_context &ctx);
69 ~entity_container (); 33 ~entity_container ();
70}; 34};
71 35
72struct entity_filter : entity_base { 36struct entity_filter : entity_base {
73protected: 37protected:
… …
88 52
89 entity_base *content () { return e; }; 53 entity_base *content () { return e; };
90 54
91 void update_bbox (); 55 void update_bbox ();
92 void show (const sector &sec); 56 void show (const sector &sec);
93 void draw (); 57 void draw (const draw_context &ctx);
94 ~entity_filter (); 58 ~entity_filter ();
95}; 59};
96 60
97struct entity : entity_filter { 61struct entity : entity_filter {
98 sector sec; 62 sector sec;
99 63
100 void show (const sector &sec); 64 void show (const sector &sec);
101 void draw (); 65 void show ();
66 void draw (const draw_context &ctx);
102}; 67};
103 68
104struct entity_affine : entity_filter { 69struct entity_affine : entity_filter {
105 //matrix m; 70 //matrix m;
106}; 71};
107 72
108struct vertex1d { 73struct vertex1d {
109 point v; // vertex
110 colour c; // colour 74 colour c; // colour
75 point p; // vertex
111}; 76};
112 77
113struct vertex2d { 78struct vertex2d {
114 point v; // vertex
115 colour c; // colour 79 colour c; // colour
80 point p; // vertex
116 vect n; // normal 81 vec3 n; // normal
117 texc t; // texture 82 texc t; // texture
83
84 vertex2d () { };
85 vertex2d (colour c, point p, vec3 n, texc t = texc()) : c(c), p(p), n(n), t(t) { };
118}; 86};
119 87
120template<GLenum type> 88template<GLenum type>
121struct entity_opengl1d : entity_base, vector<vertex1d> { 89struct entity_opengl1d : entity_base, vector<vertex1d> {
122 void update_bbox (); 90 void update_bbox ();
123 void show (const sector &sec); 91 void show (const sector &sec);
124 void draw (); 92 void draw (const draw_context &ctx);
125}; 93};
126 94
127template<GLenum type> 95template<GLenum type>
128struct entity_opengl2d : entity_base, vector<vertex2d> { 96struct entity_opengl2d : entity_base, vector<vertex2d> {
129 void update_bbox (); 97 void update_bbox ();
130 void show (const sector &sec); 98 void show (const sector &sec);
131 void draw (); 99 void draw (const draw_context &ctx);
132}; 100};
133 101
134typedef entity_opengl1d<GL_POINTS> entity_points; 102typedef entity_opengl1d<GL_POINTS> entity_points;
135typedef entity_opengl1d<GL_LINES> entity_lines; 103typedef entity_opengl1d<GL_LINES> entity_lines;
136typedef entity_opengl1d<GL_LINE_STRIP> entity_linestrip; 104typedef entity_opengl1d<GL_LINE_STRIP> entity_line_strip;
137typedef entity_opengl1d<GL_LINE_LOOP> entity_lineloop; 105typedef entity_opengl1d<GL_LINE_LOOP> entity_line_loop;
138typedef entity_opengl2d<GL_TRIANGLES> entity_triangles; 106typedef entity_opengl2d<GL_TRIANGLES> entity_triangles;
139typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_trianglestrip; 107typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_triangle_strip;
140typedef entity_opengl2d<GL_TRIANGLE_FAN> entity_trianglefan; 108typedef entity_opengl2d<GL_TRIANGLE_FAN> entity_triangle_fan;
141typedef entity_opengl2d<GL_QUADS> entity_quads; 109typedef entity_opengl2d<GL_QUADS> entity_quads;
142typedef entity_opengl2d<GL_QUAD_STRIP> entity_quad_strip; 110typedef entity_opengl2d<GL_QUAD_STRIP> entity_quad_strip;
143typedef entity_opengl2d<GL_POLYGON> entity_polygon; 111typedef entity_opengl2d<GL_POLYGON> entity_polygon;
112
113struct view {
114 point p;
115 vec3 d, u;
116 float fov;
117 int w, h;
118
119 void draw (const draw_context &ctx);
120};
144 121
145#endif 122#endif
146 123
147 124
148 125

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