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1.1 root 1: //
2: // asm_draw.h
3: //
4: // Include file for asm drawing routines.
5: //
6:
7: //
8: // !!! note that this file must match the corresponding C structures at all
9: // times !!!
10: //
11:
12: // !!! if this is changed, it must be changed in r_local.h too !!!
13: #define NEAR_CLIP 0.01
14:
15: // !!! if this is changed, it must be changed in r_local.h too !!!
16: #define CYCLE 128
17:
18: // espan_t structure
19: // !!! if this is changed, it must be changed in r_shared.h too !!!
20: #define espan_t_u 0
21: #define espan_t_v 4
22: #define espan_t_count 8
23: #define espan_t_pnext 12
24: #define espan_t_size 16
25:
26: // sspan_t structure
27: // !!! if this is changed, it must be changed in d_local.h too !!!
28: #define sspan_t_u 0
29: #define sspan_t_v 4
30: #define sspan_t_count 8
31: #define sspan_t_size 12
32:
33: // spanpackage_t structure
34: // !!! if this is changed, it must be changed in d_polyset.c too !!!
35: #define spanpackage_t_pdest 0
36: #define spanpackage_t_pz 4
37: #define spanpackage_t_count 8
38: #define spanpackage_t_ptex 12
39: #define spanpackage_t_sfrac 16
40: #define spanpackage_t_tfrac 20
41: #define spanpackage_t_light 24
42: #define spanpackage_t_zi 28
43: #define spanpackage_t_size 32
44:
45: // edge_t structure
46: // !!! if this is changed, it must be changed in r_shared.h too !!!
47: #define et_u 0
48: #define et_u_step 4
49: #define et_prev 8
50: #define et_next 12
51: #define et_surfs 16
52: #define et_nextremove 20
53: #define et_nearzi 24
54: #define et_owner 28
55: #define et_size 32
56:
57: // surf_t structure
58: // !!! if this is changed, it must be changed in r_shared.h too !!!
59: #define SURF_T_SHIFT 6
60: #define st_next 0
61: #define st_prev 4
62: #define st_spans 8
63: #define st_key 12
64: #define st_last_u 16
65: #define st_spanstate 20
66: #define st_flags 24
67: #define st_data 28
68: #define st_entity 32
69: #define st_nearzi 36
70: #define st_insubmodel 40
71: #define st_d_ziorigin 44
72: #define st_d_zistepu 48
73: #define st_d_zistepv 52
74: #define st_pad 56
75: #define st_size 64
76:
77: // clipplane_t structure
78: // !!! if this is changed, it must be changed in r_local.h too !!!
79: #define cp_normal 0
80: #define cp_dist 12
81: #define cp_next 16
82: #define cp_leftedge 20
83: #define cp_rightedge 21
84: #define cp_reserved 22
85: #define cp_size 24
86:
87: // medge_t structure
88: // !!! if this is changed, it must be changed in model.h too !!!
89: #define me_v 0
90: #define me_cachededgeoffset 4
91: #define me_size 8
92:
93: // mvertex_t structure
94: // !!! if this is changed, it must be changed in model.h too !!!
95: #define mv_position 0
96: #define mv_size 12
97:
98: // refdef_t structure
99: // !!! if this is changed, it must be changed in render.h too !!!
100: #define rd_vrect 0
101: #define rd_aliasvrect 20
102: #define rd_vrectright 40
103: #define rd_vrectbottom 44
104: #define rd_aliasvrectright 48
105: #define rd_aliasvrectbottom 52
106: #define rd_vrectrightedge 56
107: #define rd_fvrectx 60
108: #define rd_fvrecty 64
109: #define rd_fvrectx_adj 68
110: #define rd_fvrecty_adj 72
111: #define rd_vrect_x_adj_shift20 76
112: #define rd_vrectright_adj_shift20 80
113: #define rd_fvrectright_adj 84
114: #define rd_fvrectbottom_adj 88
115: #define rd_fvrectright 92
116: #define rd_fvrectbottom 96
117: #define rd_horizontalFieldOfView 100
118: #define rd_xOrigin 104
119: #define rd_yOrigin 108
120: #define rd_vieworg 112
121: #define rd_viewangles 124
122: #define rd_ambientlight 136
123: #define rd_size 140
124:
125: // mtriangle_t structure
126: // !!! if this is changed, it must be changed in model.h too !!!
127: #define mtri_facesfront 0
128: #define mtri_vertindex 4
129: #define mtri_size 16 // !!! if this changes, array indexing in !!!
130: // !!! d_polysa.s must be changed to match !!!
131: #define mtri_shift 4
132:
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