/
asm_draw.h
151 lines (132 loc) · 4.29 KB
/
asm_draw.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
//
// asm_draw.h
//
// Include file for asm drawing routines.
//
//
// !!! note that this file must match the corresponding C structures at all
// times !!!
//
// !!! if this is changed, it must be changed in r_local.h too !!!
#define NEAR_CLIP 0.01
// !!! if this is changed, it must be changed in r_local.h too !!!
#define CYCLE 128
// espan_t structure
// !!! if this is changed, it must be changed in r_shared.h too !!!
#define espan_t_u 0
#define espan_t_v 4
#define espan_t_count 8
#define espan_t_pnext 12
#define espan_t_size 16
// sspan_t structure
// !!! if this is changed, it must be changed in d_local.h too !!!
#define sspan_t_u 0
#define sspan_t_v 4
#define sspan_t_count 8
#define sspan_t_size 12
// spanpackage_t structure
// !!! if this is changed, it must be changed in d_polyset.c too !!!
#define spanpackage_t_pdest 0
#define spanpackage_t_pz 4
#define spanpackage_t_count 8
#define spanpackage_t_ptex 12
#define spanpackage_t_sfrac 16
#define spanpackage_t_tfrac 20
#define spanpackage_t_light 24
#define spanpackage_t_zi 28
#define spanpackage_t_size 32
// edge_t structure
// !!! if this is changed, it must be changed in r_shared.h too !!!
#define et_u 0
#define et_u_step 4
#define et_prev 8
#define et_next 12
#define et_surfs 16
#define et_nextremove 20
#define et_nearzi 24
#define et_owner 28
#define et_size 32
// surf_t structure
// !!! if this is changed, it must be changed in r_shared.h too !!!
#define SURF_T_SHIFT 6
#define st_next 0
#define st_prev 4
#define st_spans 8
#define st_key 12
#define st_last_u 16
#define st_spanstate 20
#define st_flags 24
#define st_data 28
#define st_entity 32
#define st_nearzi 36
#define st_insubmodel 40
#define st_d_ziorigin 44
#define st_d_zistepu 48
#define st_d_zistepv 52
#define st_pad 56
#define st_size 64
// clipplane_t structure
// !!! if this is changed, it must be changed in r_local.h too !!!
#define cp_normal 0
#define cp_dist 12
#define cp_next 16
#define cp_leftedge 20
#define cp_rightedge 21
#define cp_reserved 22
#define cp_size 24
// medge_t structure
// !!! if this is changed, it must be changed in model.h too !!!
#define me_v 0
#define me_cachededgeoffset 4
#define me_size 8
// mvertex_t structure
// !!! if this is changed, it must be changed in model.h too !!!
#define mv_position 0
#define mv_size 12
// refdef_t structure
// !!! if this is changed, it must be changed in render.h too !!!
#define rd_vrect 0
#define rd_aliasvrect 20
#define rd_vrectright 40
#define rd_vrectbottom 44
#define rd_aliasvrectright 48
#define rd_aliasvrectbottom 52
#define rd_vrectrightedge 56
#define rd_fvrectx 60
#define rd_fvrecty 64
#define rd_fvrectx_adj 68
#define rd_fvrecty_adj 72
#define rd_vrect_x_adj_shift20 76
#define rd_vrectright_adj_shift20 80
#define rd_fvrectright_adj 84
#define rd_fvrectbottom_adj 88
#define rd_fvrectright 92
#define rd_fvrectbottom 96
#define rd_horizontalFieldOfView 100
#define rd_xOrigin 104
#define rd_yOrigin 108
#define rd_vieworg 112
#define rd_viewangles 124
#define rd_ambientlight 136
#define rd_size 140
// mtriangle_t structure
// !!! if this is changed, it must be changed in model.h too !!!
#define mtri_facesfront 0
#define mtri_vertindex 4
#define mtri_size 16 // !!! if this changes, array indexing in !!!
// !!! d_polysa.s must be changed to match !!!
#define mtri_shift 4