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Comparing libgender/view.h (file contents):
Revision 1.18 by root, Sat Oct 9 22:43:31 2004 UTC vs.
Revision 1.26 by root, Sun Oct 17 09:43:07 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 unsigned int generation; 14{
15 enum { UNKNOWN, OCCLUDED, PARTIAL, FULL } visibility; 15 unsigned int generation; // freshness check
16 double last;
17
18 visibility_state () : generation(0), last(0.), visibility(UNKNOWN) { };
19}; 16};
20 17
21struct occ_query { 18struct visible {
22 struct view &v; 19 visibility_base *get_visibility (view &ctx);
23 GLuint id; 20 virtual visibility_base *new_visibility () = 0;
24 GLuint r; 21 virtual void clear_visibility (visibility_base *vs) = 0;
22};
25 23
26 occ_query (view &v, GLuint id, GLuint r) : v(v), id(id), r(r) { }; 24struct occ_query
25{
26 struct view &ctx;
27 void *id;
28 GLuint count;
29
30 occ_query (view &ctx, void *id, GLuint count) : ctx(ctx), id(id), count(count) { };
27}; 31};
28 32
29typedef event_receiver<void, occ_query> recv_occ_query; 33typedef event_receiver<void, occ_query> recv_occ_query;
30 34
31struct view { 35struct view
36{
32 sector orig; 37 sector orig;
33 point p; 38 point p;
34 vec3 d, u; 39 vec3 d, u;
35 GLfloat fov; 40 GLfloat fov;
36 GLfloat near, far; 41 GLfloat z_near, z_far, c_far;
37 int w, h; 42 int w, h;
43 GLfloat pixfact; // how many pixels on screen are drawn by a unit length line, *roughly*
38 44
39 GLfloat gamma; 45 GLfloat gamma;
40 46
41 // only to be used by friends: TODO 47 // only to be used by friends: TODO
42 48
43 GLfloat nextfar; 49 GLfloat nz_far, nc_far;
44 GLfloat diagfact; // bounding box border to depth factor 50 GLfloat diagfact; // bounding box border to depth factor
51 GLfloat perspfact; // perspfact * (1/depth)=> pixels
45 52
46 matrix projection; 53 gl::matrix projection;
47 54
48 struct { 55 struct {
49 plane l, r, t, b, n, f; 56 plane l, r, t, b, n, f;
50 } frustum; 57 } frustum;
51 58
52 enum mode { DEPTH, LIGHTED } mode; 59 // the passes
60 enum pass {
61 DEPTH, // mandatory, render depth only
62 POSTDEPTH, // mandatory, occ tests or ignored
63 LIGHTED, // optional, render faces in full glory
64 } pass;
65
53 light *l; 66 struct light *l;
54 set<const entity *> drawn; 67 set<const entity *> drawn; // TODO: put drawn info and octant+entity visibility info into vismap!
55 68
56 unsigned int generation; 69 unsigned int generation;
57 map<octant *, visibility_state> vismap; 70 typedef map<visible *, visibility_base *> visibility_map;
71 visibility_map vismap;
58 72
59 vector<octant *> vislist; // octants partially or fully visible in frustum 73 vector<octant *> vislist; // octants that want to be drawn
60 vector<octant *> farlist; // octants possibly visible
61 74
62 typedef pair<recv_occ_query *, GLint> oq_data; 75 struct oq_data {
76 recv_occ_query *recv;
77 GLint id;
78 void *data;
79
80 oq_data (recv_occ_query *recv, GLint id, void *data) : recv(recv), id(id), data(data) { };
81 };
63 vector<oq_data> occ_queries; 82 vector<oq_data> occ_queries;
64 void begin_occ_query (recv_occ_query &recv); 83 void begin_occ_query (recv_occ_query &recv, void *id = 0);
65 void end_occ_query (); 84 void end_occ_query ();
66 85
67 void reset_projection (); 86 void reset_projection ();
68 87
69 // public 88 // public
70 89
71 void begin (); 90 void begin ();
72 void pass (enum mode m); 91 void render (enum pass p);
73 void end (); 92 void end ();
74 93
75 bool may_draw (const entity *e); 94 bool may_draw (const entity *e);
76 95
77 view (); 96 view ();

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