/*
	d_ifacea.h

	Include file for asm driver interface

	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:

		Free Software Foundation, Inc.
		59 Temple Place - Suite 330
		Boston, MA  02111-1307, USA

	$Id$
*/

#ifndef _D_IFACEA_H
#define _D_IFACEA_H

//
// !!! note that this file must match the corresponding C structures in
// d_iface.h at all times !!!
//

// !!! if this is changed, it must be changed in r_shared.h too !!!
#define ALIAS_ONSEAM				0x0020

// !!! if this is changed, it must be changed in d_iface.h too !!!
#define TURB_TEX_SIZE	64		// base turbulent texture size

// !!! if this is changed, it must be changed in d_iface.h too !!!
#define	CYCLE	128

// !!! if this is changed, it must be changed in r_shared.h too !!!
#define	MAXHEIGHT	1024

// !!! if this is changed, it must be changed in d_iface.h too !!!
#define CACHE_SIZE	32		// used to align key data structures

// particle_t structure
// !!! if this is changed, it must be changed in d_iface.h too !!!
// driver-usable fields
#define pt_org				0
#define pt_up				12
#define pt_right			24
#define pt_tex				36
#define pt_color			40
#define pt_alpha			44
#define pt_scale			48
// drivers never touch the following fields
#define pt_next				52
#define pt_vel				56
#define pt_ramp				60
#define pt_die				64
#define pt_type				68
#define pt_size				72

#define PARTICLE_Z_CLIP	8.0

// finalvert_t structure
// !!! if this is changed, it must be changed in d_iface.h too !!!
#define fv_v				0	// !!! if this is moved, cases where the !!!
								// !!! address of this field is pushed in !!!
								// !!! d_polysa.s must be changed !!!
#define fv_flags			24
#define fv_reserved			28
#define fv_size				32
#define fv_shift			5


// stvert_t structure
// !!! if this is changed, it must be changed in modelgen.h too !!!
#define stv_onseam	0
#define stv_s		4
#define stv_t		8
#define stv_size	12


// trivertx_t structure
// !!! if this is changed, it must be changed in modelgen.h too !!!
#define tv_v				0
#define tv_lightnormalindex	3
#define tv_size				4

// affinetridesc_t structure
// !!! if this is changed, it must be changed in d_iface.h too !!!
#define atd_pskin			0
#define atd_pskindesc		4
#define atd_skinwidth		8
#define atd_skinheight		12
#define atd_ptriangles		16
#define atd_pfinalverts		20
#define atd_numtriangles	24
#define atd_drawtype		28
#define atd_seamfixupX16	32
#define atd_size			36

#endif // _D_IFACE_H