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- /*
- 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
-
-