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Comparing libgender/view.h (file contents):
Revision 1.20 by root, Sun Oct 10 14:15:16 2004 UTC vs.
Revision 1.31 by root, Tue Nov 2 23:26:46 2004 UTC

… …
8using namespace std; 8using namespace std;
9 9
10#include "util.h" 10#include "util.h"
11#include "event.h" 11#include "event.h"
12 12
13struct visibility_state 13struct visibility_base
14{ 14{
15 unsigned int generation; 15 unsigned int generation; // freshness check
16 enum { UNKNOWN, OCCLUDED, PARTIAL, FULL } visibility; 16};
17 double last;
18 17
19 visibility_state () : generation(0), last(0.), visibility(UNKNOWN) { }; 18struct visible {
19 visibility_base *get_visibility (view &ctx);
20 virtual visibility_base *new_visibility () = 0;
21 virtual void clear_visibility (visibility_base *vs) = 0;
20}; 22};
21 23
22struct occ_query 24struct occ_query
23{ 25{
24 struct view &v; 26 struct view &ctx;
25 GLuint id; 27 void *id;
26 GLuint r; 28 GLuint count;
27 29
28 occ_query (view &v, GLuint id, GLuint r) : v(v), id(id), r(r) { }; 30 occ_query (view &ctx, void *id, GLuint count) : ctx(ctx), id(id), count(count) { };
29}; 31};
30 32
31typedef event_receiver<void, occ_query> recv_occ_query; 33typedef event_receiver<void, occ_query> recv_occ_query;
34
35struct pass
36{
37 struct light *l;
38
39 pass (light *l) : l(l) { }
40};
41
42extern pass pass_depth;
32 43
33struct view 44struct view
34{ 45{
35 sector orig; 46 sector orig;
36 point p; 47 point p;
37 vec3 d, u; 48 vec3 d, u;
38 GLfloat fov; 49 GLfloat fov;
39 GLfloat z_near, z_far, c_far; 50 GLfloat z_near, z_far, c_far;
40 int w, h; 51 int w, h;
52 GLfloat pixfact; // how many pixels on screen are drawn by a unit length line, *roughly*
53 sector eorig; // orig of currently-rendered entity in relation to the camera
41 54
42 GLfloat gamma; 55 GLfloat gamma;
43 56
44 // only to be used by friends: TODO 57 // only to be used by friends: TODO
45 58
46 GLfloat nz_far, nc_far; 59 GLfloat nz_far, nz_near, nc_far;
47 GLfloat diagfact; // bounding box border to depth factor 60 GLfloat diagfact; // bounding box border to depth factor
61 GLfloat perspfact; // perspfact * (1/depth)=> pixels
48 62
49 matrix projection; 63 gl::matrix projection;
50 64
51 struct { 65 struct {
52 plane l, r, t, b, n, f; 66 plane l, r, t, b, n, f;
67 cone c;
68 sphere s;
53 } frustum; 69 } frustum;
54 70
55 enum mode { DEPTH, LIGHTED } mode; 71 // the passes
56 struct light *l; 72 enum pass_type {
57 set<const entity *> drawn; 73 DEPTH, // mandatory, render depth only
74 POSTDEPTH, // mandatory, occ tests or ignored
75 LIGHTED, // optional, render faces in full glory
76 } pass_type;
77
78 pass *pass_data;
79
80 set<const entity *> drawn; // TODO: put drawn info and octant+entity visibility info into vismap!
58 81
59 unsigned int generation; 82 unsigned int generation;
60 map<octant *, visibility_state> vismap; 83 typedef map<visible *, visibility_base *> visibility_map;
84 visibility_map vismap;
61 85
62 vector<octant *> vislist; // octants partially or fully visible in frustum 86 vector<octant *> vislist; // octants that want to be drawn
63 vector<octant *> farlist; // octants possibly visible
64 87
65 typedef pair<recv_occ_query *, GLint> oq_data; 88 struct oq_data {
89 recv_occ_query *recv;
90 GLint id;
91 void *data;
92
93 oq_data (recv_occ_query *recv, GLint id, void *data) : recv(recv), id(id), data(data) { };
94 };
66 vector<oq_data> occ_queries; 95 vector<oq_data> occ_queries;
67 void begin_occ_query (recv_occ_query &recv); 96 void begin_occ_query (recv_occ_query &recv, void *id = 0);
68 void end_occ_query (); 97 void end_occ_query ();
69 98
70 void reset_projection (); 99 void reset_projection ();
71 100
72 // public 101 // public
73 102
74 void begin (); 103 void begin ();
75 void pass (enum mode m); 104 void render (enum pass_type p, pass &data);
76 void end (); 105 void end ();
77 106
78 bool may_draw (const entity *e); 107 bool may_draw (const entity *e);
79 108
80 view (); 109 view ();
81 ~view (); 110 ~view ();
82}; 111};
83 112
113struct light : view
114{
115 colour c;
116 GLfloat intensity;
117 GLfloat radius;
118};
119
84#endif 120#endif
85 121

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