/*
Copyright (C) 2002-2003 Victor Luchits

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.

*/
// cg_pmodels.h -- local definitions for pmodels and view weapon

//=============================================================================
//
//							SPLITMODELS
//
//=============================================================================

extern	cvar_t	*cg_weaponFlashes;
extern	cvar_t	*cg_ejectBrass;//eject brass-debris
extern	cvar_t	*cg_gunx;
extern	cvar_t	*cg_guny;
extern	cvar_t	*cg_gunz;
extern	cvar_t	*cg_debugPlayerModels;
extern	cvar_t	*cg_debugWeaponModels;
extern	cvar_t	*cg_bobSpeed;
extern	cvar_t	*cg_bobPitch;
extern	cvar_t	*cg_bobYaw;
extern	cvar_t	*cg_bobRoll;

// wsw : jal
extern	cvar_t	*cg_handOffset;

enum {

	VWEAP_STANDBY = 1,
	VWEAP_ATTACK_WEAK,
//	VWEAP_ATTACK2_HOLD,
//	VWEAP_ATTACK2_RELEASE,
	VWEAP_ATTACK_STRONG,
//	VWEAP_RELOAD,
	VWEAP_WEAPDOWN,
	VWEAP_WEAPONUP,
		
	VWEAP_MAXANIMS
};


//equivalent to pmodelinfo_t. Shared by different players, etc.
typedef struct weaponinfo_s
{
	char		name[MAX_QPATH];
	qboolean	inuse;

	struct	model_s	*model[WEAPMODEL_PARTS];	//one weapon consists of several models

	int			firstframe[VWEAP_MAXANIMS];		//animation script 
	int			lastframe[VWEAP_MAXANIMS];
	int			loopingframes[VWEAP_MAXANIMS];
	float		frametime[VWEAP_MAXANIMS];

	float		rotationscale;

	orientation_t	tag_projectionsource;
	byte_vec4_t		outlineColor;

} weaponinfo_t;

extern weaponinfo_t	cg_pWeaponModelInfos[WEAP_TOTAL];

typedef struct
{
	unsigned int	flashtime;
	int				powering_timestamp;	//wsw
	vec3_t			angles;				//for barrel rotation
	float			rotationSpeed;

	weaponinfo_t	*weaponInfo;	//static information (models, animation script)

} pweapon_t;

enum {
	BASIC_CHANNEL,	
	EVENT_CHANNEL,

	ANIMBUFFER_CHANNELS
};

typedef struct
{
	int		newanim[PMODEL_PARTS];
	
} animationbuffer_t;

typedef struct
{
	int		current[PMODEL_PARTS];			//running animation
	int		currentChannel[PMODEL_PARTS];	//what channel it came from

	int		frame[PMODEL_PARTS];
	int		oldframe[PMODEL_PARTS];

	//vicskmblend splitskel
	float	prevframetime;	//interpolation timing stuff
	float	nextframetime;
	float	backlerp;

	animationbuffer_t	buffer[ANIMBUFFER_CHANNELS];

} animationinfo_t;

#define SKM_MAX_BONES 256

//pmodelinfo_t is the playermodel structure as originally readed
//Consider it static 'read-only', cause it is shared by different players
typedef struct pmodelinfo_s
{
	char				*name;
	int					sex;
	struct shader_s		*icon;

	struct	model_s			*model;
	struct cg_sexedSfx_s	*sexedSfx;

	int					numRotators[PMODEL_PARTS];
	int					rotator[PMODEL_PARTS][16];
	int					boneAnims[SKM_MAX_BONES];

	int					firstframe[PMODEL_MAX_ANIMS];		//animation script
	int					lastframe[PMODEL_MAX_ANIMS];
	int					loopingframes[PMODEL_MAX_ANIMS];
	float				frametime;

	weaponinfo_t		*weaponIndex[WEAP_TOTAL];	//weaponmodels pointer indexes

	struct pmodelinfo_s	*next;
}pmodelinfo_t;

typedef struct
{
	//static data
	pmodelinfo_t			*pmodelinfo;
	struct skinfile_s		*skin;
	
	struct cgs_skeleton_s	*skel;
	bonepose_t		*curboneposes;	//caches for blending poses
	bonepose_t		*oldboneposes;

	//dynamic
	animationinfo_t		anim;						//animation state
	pweapon_t			pweapon;					//active weapon state

	vec3_t				angles[PMODEL_PARTS];		//for rotations
	vec3_t				oldangles[PMODEL_PARTS];	//for rotations

	//effects
	orientation_t		projectionSource;	// for projectiles

}pmodel_t;

extern pmodel_t		cg_entPModels[MAX_EDICTS];		//a pmodel handle for each cg_entity

//
// cg_pmodels.c
//

//utils
void CG_AddShellEffects( entity_t *ent, int effects );
void CG_AddColorShell( entity_t *ent, int renderfx );
qboolean CG_GrabTag( orientation_t *tag, entity_t *ent, char *tagname );
void CG_PlaceModelOnTag( entity_t *ent, entity_t *dest, orientation_t *tag );
void CG_PlaceRotatedModelOnTag( entity_t *ent, entity_t *dest, orientation_t *tag );
void CG_MoveToTag( vec3_t move_origin, vec3_t move_axis[3], vec3_t dest_origin, vec3_t dest_axis[3], vec3_t tag_origin, vec3_t tag_axis[3] );

//pmodels
void CG_PModelsInit( void );
void CG_RegisterBasePModel( void );
struct pmodelinfo_s *CG_RegisterPlayerModel( char *filename );
void CG_LoadClientPmodel( int cenum, char *model_name, char *skin_name );
void CG_AddPModel( centity_t *cent );
void CG_AddPModelAnimation( int entNum, int loweranim, int upperanim, int headanim, int channel );
void CG_PModels_AddFireEffects( entity_state_t *state );
void CG_ClearEventAnimations( int entNum );
qboolean CG_PModel_GetProjectionSource( int entnum, orientation_t *tag_result );

//
// cg_wmodels.c
//
struct weaponinfo_s *CG_CreateWeaponZeroModel( char *cgs_name );
struct weaponinfo_s *CG_RegisterWeaponModel( char *cgs_name, int weaponTag );
void CG_AddWeaponOnTag( entity_t *ent, orientation_t *tag, pweapon_t *pweapon, int effects, orientation_t *projectionSource );
struct weaponinfo_s *CG_GetWeaponFromPModelIndex( pmodel_t *pmodel, int currentweapon );


//=================================================
//				VIEW WEAPON
//=================================================

enum {
	CAM_INEYES,
	CAM_THIRDPERSON,

	CAM_MODES
};
	
typedef struct {

	int mode;
	unsigned int	cmd_mode_delay;

} cg_chasecam_t;

extern cg_chasecam_t	chaseCam;

typedef struct
{
	qboolean		active;
	vec3_t			origin;
	vec3_t			axis[3];

	pweapon_t		pweapon;			//weapon state
	weaponinfo_t	*newWeaponInfo;		//player active weapon latched for weapon change

	entity_state_t	*state;				//player's cent->current

	int				currentAnim;
	int				newAnim;
	int				frame;
	int				oldframe;

	float			nextframetime;
	float			prevframetime;
	float			backlerp;

	unsigned int	fallEff_Time;		//fallKickEffect
	int				fallEff_rebTime;
	float			fallKick;

	orientation_t	projectionSource;
	int				isOnGround;		//only needed qboolean, but still...
	int				isSwim;

} viewweaponinfo_t;

extern viewweaponinfo_t	vweap;

//
// cg_vweap.c
//

void CG_vWeapUpdateState (void);

//=================================================