/*
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.

*/
#ifndef _PMOVE_H_
#define _PMOVE_H_

#define	MAX_PHYSENTS	64

typedef struct
{
	vec3_t		origin;
	cmodel_t	*model;		// only for bsp models
	vec3_t		mins, maxs;	// only for non-bsp models
	int			info;		// for client or server to identify
} physent_t;


typedef enum {
	PM_NORMAL,			// normal ground movement
	PM_OLD_SPECTATOR,	// fly, no clip to world (QW bug)
	PM_SPECTATOR,		// fly, no clip to world
	PM_DEAD,			// no acceleration
	PM_FLY,				// fly, bump into walls
	PM_NONE,			// can't move
	PM_FREEZE			// can't move or look around (TODO)
} pmtype_t;

typedef struct
{
	int			sequence;	// just for debugging prints

	// player state
	vec3_t		origin;
	vec3_t		angles;
	vec3_t		velocity;
	qbool		jump_held;
#ifndef SERVERONLY
	int			jump_msec;	// msec since last jump
#endif
	float		waterjumptime;
	qbool		onground;
	int			pm_type;

	// world state
	int			numphysent;
	physent_t	physents[MAX_PHYSENTS];	// 0 should be the world

	// input
	usercmd_t	cmd;

	// results
	int			numtouch;
	int			touchindex[MAX_PHYSENTS];
	int			groundent;		// index in physents array, only valid
								// when onground is true
	float		landspeed;
	int			waterlevel;
	int			watertype;
} playermove_t;

typedef struct {
	float	gravity;
	float	stopspeed;
	float	maxspeed;
	float	spectatormaxspeed;
	float	accelerate;
	float	airaccelerate;
	float	wateraccelerate;
	float	friction;
	float	waterfriction;
	float	entgravity;
	float	bunnyspeedcap;
	float	ktjump;
	qbool	slidefix;		// NQ-style movement down ramps
	qbool	airstep;
	qbool	pground;		// NQ-style "onground" flag handling.
							// p is for persistent (accross frames)
} movevars_t;


//extern	movevars_t		movevars;
//extern	playermove_t	pmove;

void PM_PlayerMove (playermove_t *pmove, movevars_t *movevars);
void PM_Init (void);

int PM_PointContents (playermove_t *pm, vec3_t point);
qbool PM_TestPlayerPosition (playermove_t *pm, vec3_t point);
trace_t PM_PlayerTrace (playermove_t *pm, vec3_t start, vec3_t end);
trace_t PM_TraceLine (playermove_t *pm, vec3_t start, vec3_t end);
void PM_CategorizePosition (playermove_t *pm);

#endif /* _PMOVE_H_ */

