/*
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 CLIENT_PMOVE_H
#define CLIENT_PMOVE_H

#include "protocol.h"

#ifdef GLQUAKE
#include "gl_model.h"
#else
#include "model.h"
#include "d_iface.h"
#endif

typedef struct {
    vec3_t normal;
    float dist;
} pmplane_t;

typedef struct {
    qboolean allsolid;		// if true, plane is not valid
    qboolean startsolid;	// if true, the initial point was in a solid area
    qboolean inopen, inwater;
    float fraction;		// time completed, 1.0 = didn't hit anything
    vec3_t endpos;		// final position
    pmplane_t plane;		// surface normal at impact
    int ent;			// entity the surface is on
} pmtrace_t;


#define	MAX_PHYSENTS	32
typedef struct {
    vec3_t origin;
    model_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 struct {
    int sequence;		// just for debugging prints

    // player state
    vec3_t origin;
    vec3_t angles;
    vec3_t velocity;
    int oldbuttons;
    float waterjumptime;
    qboolean dead;
    int spectator;

    // 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];
} playermove_t;

typedef struct {
    float gravity;
    float stopspeed;
    float maxspeed;
    float spectatormaxspeed;
    float accelerate;
    float airaccelerate;
    float wateraccelerate;
    float friction;
    float waterfriction;
    float entgravity;
} movevars_t;


extern movevars_t movevars;
extern playermove_t pmove;
extern int onground;
extern int waterlevel;
extern int watertype;

void PlayerMove(void);
void Pmove_Init(void);

int PM_HullPointContents(hull_t *hull, int num, vec3_t p);

int PM_PointContents(vec3_t point);
qboolean PM_TestPlayerPosition(vec3_t point);
pmtrace_t PM_PlayerMove(vec3_t start, vec3_t stop);

#endif /* CLIENT_PMOVE_H */
