1 |
root |
1.1 |
#ifndef VIEW_H |
2 |
|
|
#define VIEW_H |
3 |
|
|
|
4 |
|
|
#include <set> |
5 |
root |
1.4 |
#include <map> |
6 |
root |
1.17 |
#include <utility> |
7 |
root |
1.1 |
|
8 |
|
|
using namespace std; |
9 |
|
|
|
10 |
|
|
#include "util.h" |
11 |
root |
1.17 |
#include "event.h" |
12 |
root |
1.1 |
|
13 |
root |
1.22 |
struct visibility_base |
14 |
root |
1.20 |
{ |
15 |
root |
1.22 |
unsigned int generation; // freshness check |
16 |
|
|
}; |
17 |
root |
1.12 |
|
18 |
root |
1.22 |
struct visible { |
19 |
|
|
visibility_base *get_visibility (view &ctx); |
20 |
|
|
virtual visibility_base *new_visibility () = 0; |
21 |
|
|
virtual void clear_visibility (visibility_base *vs) = 0; |
22 |
root |
1.12 |
}; |
23 |
|
|
|
24 |
root |
1.20 |
struct occ_query |
25 |
|
|
{ |
26 |
root |
1.26 |
struct view &ctx; |
27 |
root |
1.22 |
void *id; |
28 |
root |
1.26 |
GLuint count; |
29 |
root |
1.17 |
|
30 |
root |
1.26 |
occ_query (view &ctx, void *id, GLuint count) : ctx(ctx), id(id), count(count) { }; |
31 |
root |
1.17 |
}; |
32 |
|
|
|
33 |
|
|
typedef event_receiver<void, occ_query> recv_occ_query; |
34 |
|
|
|
35 |
root |
1.20 |
struct view |
36 |
|
|
{ |
37 |
root |
1.2 |
sector orig; |
38 |
|
|
point p; |
39 |
|
|
vec3 d, u; |
40 |
root |
1.13 |
GLfloat fov; |
41 |
root |
1.19 |
GLfloat z_near, z_far, c_far; |
42 |
root |
1.2 |
int w, h; |
43 |
root |
1.21 |
GLfloat pixfact; // how many pixels on screen are drawn by a unit length line, *roughly* |
44 |
root |
1.2 |
|
45 |
root |
1.13 |
GLfloat gamma; |
46 |
root |
1.4 |
|
47 |
root |
1.17 |
// only to be used by friends: TODO |
48 |
root |
1.5 |
|
49 |
root |
1.19 |
GLfloat nz_far, nc_far; |
50 |
root |
1.17 |
GLfloat diagfact; // bounding box border to depth factor |
51 |
root |
1.21 |
GLfloat perspfact; // perspfact * (1/depth)=> pixels |
52 |
root |
1.13 |
|
53 |
root |
1.25 |
gl::matrix projection; |
54 |
root |
1.9 |
|
55 |
root |
1.5 |
struct { |
56 |
|
|
plane l, r, t, b, n, f; |
57 |
|
|
} frustum; |
58 |
root |
1.14 |
|
59 |
root |
1.26 |
// 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 |
|
|
|
66 |
root |
1.20 |
struct light *l; |
67 |
root |
1.26 |
set<const entity *> drawn; // TODO: put drawn info and octant+entity visibility info into vismap! |
68 |
root |
1.4 |
|
69 |
|
|
unsigned int generation; |
70 |
root |
1.22 |
typedef map<visible *, visibility_base *> visibility_map; |
71 |
|
|
visibility_map vismap; |
72 |
root |
1.17 |
|
73 |
root |
1.24 |
vector<octant *> vislist; // octants that want to be drawn |
74 |
root |
1.17 |
|
75 |
root |
1.22 |
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 |
|
|
}; |
82 |
root |
1.17 |
vector<oq_data> occ_queries; |
83 |
root |
1.22 |
void begin_occ_query (recv_occ_query &recv, void *id = 0); |
84 |
root |
1.17 |
void end_occ_query (); |
85 |
root |
1.13 |
|
86 |
|
|
void reset_projection (); |
87 |
|
|
|
88 |
|
|
// public |
89 |
|
|
|
90 |
|
|
void begin (); |
91 |
root |
1.26 |
void render (enum pass p); |
92 |
root |
1.13 |
void end (); |
93 |
root |
1.1 |
|
94 |
root |
1.15 |
bool may_draw (const entity *e); |
95 |
root |
1.1 |
|
96 |
root |
1.12 |
view (); |
97 |
|
|
~view (); |
98 |
root |
1.1 |
}; |
99 |
root |
1.7 |
|
100 |
root |
1.1 |
#endif |
101 |
|
|
|