/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
//
// bg_local.h -- local definitions for the bg (both games) files

#define	MIN_WALK_NORMAL	0.7f		// can't walk on very steep slopes

#define	STEPSIZE		18

#define	JUMP_VELOCITY	270

#define	TIMER_LAND		130
#define	TIMER_GESTURE	(34*66+50)

#define	OVERCLIP		1.001f

// all of the locals will be zeroed before each
// pmove, just to make damn sure we don't have
// any differences when running on client or server
typedef struct {
	vec3_t		forward, right, up;
	float		frametime;

	int			msec;

	qboolean	walking;
	qboolean	groundPlane;
	trace_t		groundTrace;

	// QL additions between groundTrace and impactSpeed
	int			isJumppad;		// set during crouch step jump
	int			wallContact;	// PM_CheckWallContact result
	int			isStepJump;		// set during normal step jump

	float		impactSpeed;

	vec3_t		previous_origin;
	vec3_t		previous_velocity;
	int			previous_waterlevel;
} pml_t;

extern	pmove_t		*pm;
extern	pml_t		pml;

// movement parameters
extern	float	pm_stopspeed;
extern	float	pm_duckScale;
extern	float	pm_swimScale;
extern	float	pm_wadeScale;

extern	float	pm_accelerate;
extern	float	pm_airaccelerate;
extern	float	pm_wateraccelerate;
extern	float	pm_flyaccelerate;

extern	float	pm_friction;
extern	float	pm_waterfriction;
extern	float	pm_flightfriction;
extern	float	pm_spectatorfriction;

extern	int		c_pmove;

// QL cached cvar globals
extern	float	pm_jumpVelocity;
extern	float	pm_jumpVelocityMax;
extern	float	pm_jumpVelocityScaleAdd;
extern	float	pm_jumpVelocityTimeThreshold;
extern	float	pm_jumpVelocityTimeThresholdOffset;
extern	float	pm_jumpTimeDeltaMin;
extern	int		pm_chainJump;
extern	float	pm_chainJumpVelocity;
extern	float	pm_stepJumpVelocity;
extern	float	pm_rampJumpScale;
extern	float	pm_stepHeight;
extern	float	pm_walkAccel;
extern	float	pm_walkFriction;
extern	float	pm_strafeAccel;
extern	float	pm_circleStrafeFriction;
extern	float	pm_crouchSlideFriction;
extern	int		pm_crouchSlideTime;
extern	float	pm_waterSwimScale;
extern	float	pm_waterWadeScale;
extern	int		pm_weaponDropTime;
extern	int		pm_weaponRaiseTime;
extern	float	pm_wishSpeed;
extern	int		pm_airSteps;
extern	float	pm_airStepFriction;
extern	float	pm_airAccel;
extern	float	pm_airStopAccel;
extern	float	pm_airControl;
extern	int		pm_autoHopEnabled;
extern	int		pm_bunnyHop;
extern	int		pm_stepJumpEnabled;
extern	int		pm_crouchStepJump;
extern	int		pm_rampJumpEnabled;
extern	int		pm_noPlayerClip;
extern	float	pm_velocityGh;

// QL extern flags
extern	int		pmove_globalFlag;
extern	int		pmove_rampJumpFlag;
extern	int		pmove_stepJumpFlag;
extern	float	_DAT_003cfe90;
extern	int		DAT_003cfe30;

// pmove functions
void PM_ClipVelocity( vec3_t in, vec3_t normal, vec3_t out, float overbounce );
void PM_AddTouchEnt( int entityNum );
void PM_AddEvent( int newEvent );

qboolean	PM_SlideMove( qboolean gravity );
void		PM_StepSlideMove( qboolean gravity );

// QL new functions
void PM_SetupPhysicsOverrides( void );
void PM_CheckWallContact( void );
void PM_CheckDuck( void );
void PM_DropTimers( void );
void PM_SetWaterLevel( void );
void PM_SetMovementDir( void );
void PM_Friction( void );
void PM_Accelerate( float wishspeed, float accel, vec3_t wishdir );
void PM_CmdScale( usercmd_t *cmd, float *scale );
int  PM_BuildWishVelocity( usercmd_t *cmd, float *wishspeed, vec3_t wishdir );
void PM_Jump( void );
int  PM_CheckJump( int checkDoubleJump );
int  PM_CheckGrapple( void );
void PM_GrappleMove( void );
void PM_WaterJumpMove( void );
void PM_WaterMove( void );
void PM_AirMove( void );
void PM_AirControl( void );
void PM_FlyMove( void );
void PM_GroundTrace( void );
void PM_CrashLand( void );
int  PM_FootstepForSurface( void );
void PM_ContinueLegsAnim( int anim );
void PM_ForceLegsAnim( int anim );
int  PM_CanJump( void );
int  PM_CanEdgeGrab( void );