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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