/*
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.

*/

#include "pr_comp.h"			// defs shared with qcc
#include "progdefs.h"			// generated by program cdefs

typedef union eval_s {
    string_t		string;
    float			_float;
    float			vector[3];
    func_t			function;
    int				_int;
    int				edict;
} eval_t;

#define	MAX_ENT_LEAFS	16
typedef struct edict_s {
    qboolean	free;
    link_t		area;				// linked to a division node or leaf

    int			num_leafs;
    short		leafnums[MAX_ENT_LEAFS];

    entity_state_t	baseline;

    float		freetime;			// sv.time when the object was freed
    entvars_t	v;					// C exported fields from progs
// other fields from progs come immediately after
} edict_t;
#define	EDICT_FROM_AREA(l) STRUCT_FROM_LINK(l,edict_t,area)

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

extern	dprograms_t		*progs;
extern	dfunction_t		*pr_functions;
extern	char			*pr_strings;
extern	ddef_t			*pr_globaldefs;
extern	ddef_t			*pr_fielddefs;
extern	dstatement_t	*pr_statements;
extern	globalvars_t	*pr_global_struct;
extern	float			*pr_globals;			// same as pr_global_struct

extern	int				pr_edict_size;	// in bytes
func_t	EndFrame; // FrikaC - EndFrame function

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

void PR_Init(void);

void PR_ExecuteProgram(func_t fnum);
void PR_LoadProgs(void);

void PR_Profile_f(void);

edict_t *ED_Alloc(void);
void ED_Free(edict_t *ed);

char	*ED_NewString(char *string);
// returns a copy of the string allocated from the server's string heap

void ED_Print(edict_t *ed);
void ED_Write(FILE *f, edict_t *ed);
char *ED_ParseEdict(char *data, edict_t *ent);

void ED_WriteGlobals(FILE *f);
void ED_ParseGlobals(char *data);

void ED_LoadFromFile(char *data);

//define EDICT_NUM(n) ((edict_t *)(sv.edicts+ (n)*pr_edict_size))
//define NUM_FOR_EDICT(e) (((byte *)(e) - sv.edicts)/pr_edict_size)

edict_t *EDICT_NUM(int n);
int NUM_FOR_EDICT(edict_t *e);

#define	NEXT_EDICT(e) ((edict_t *)( (byte *)e + pr_edict_size))

#define	EDICT_TO_PROG(e) ((byte *)e - (byte *)sv.edicts)
#define PROG_TO_EDICT(e) ((edict_t *)((byte *)sv.edicts + e))

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

#define	G_FLOAT(o) (pr_globals[o])
#define	G_INT(o) (*(int *)&pr_globals[o])
#define	G_EDICT(o) ((edict_t *)((byte *)sv.edicts+ *(int *)&pr_globals[o]))
#define G_EDICTNUM(o) NUM_FOR_EDICT(G_EDICT(o))
#define	G_VECTOR(o) (&pr_globals[o])
#define	G_STRING(o) (pr_strings + *(string_t *)&pr_globals[o])
#define	G_FUNCTION(o) (*(func_t *)&pr_globals[o])

#define	E_FLOAT(e,o) (((float*)&e->v)[o])
#define	E_INT(e,o) (*(int *)&((float*)&e->v)[o])
#define	E_VECTOR(e,o) (&((float*)&e->v)[o])
#define	E_STRING(e,o) (pr_strings + *(string_t *)&((float*)&e->v)[o])

extern	int		type_size[8];

typedef void (*builtin_t)(void);
extern	builtin_t *pr_builtins;
extern int pr_numbuiltins;
// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes  start
typedef struct ebfs_builtin_s {
    int			default_funcno;
    char		*funcname;
    builtin_t	function;
    int			funcno;
} ebfs_builtin_t;

extern ebfs_builtin_t	pr_ebfs_builtins[];
extern int				pr_ebfs_numbuiltins;

#define PR_DEFAULT_FUNCNO_BUILTIN_FIND	100

extern cvar_t	pr_builtin_find;
extern cvar_t	pr_builtin_remap;

#define PR_DEFAULT_FUNCNO_EXTENSION_FIND	99	// 2001-10-20 Extension System by Lord Havoc/Maddes
// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes  end
// 2001-10-20 Extension System by LordHavoc  start
extern char *pr_extensions[];
extern int	pr_numextensions;
// 2001-10-20 Extension System by LordHavoc  end

extern int		pr_argc;

extern	qboolean	pr_trace;
extern	dfunction_t	*pr_xfunction;
extern	int			pr_xstatement;

extern	unsigned short		pr_crc;

void PR_RunError(char *error, ...);

void ED_PrintEdicts(void);
void ED_PrintNum(int ent);

eval_t *GetEdictFieldValue(edict_t *ed, char *field);

// 2001-10-20 TIMESCALE extension by Tomaz/Maddes  start
extern ddef_t	*pr_global_cpu_frametime;
extern ddef_t	*pr_global_org_frametime;
// 2001-10-20 TIMESCALE extension by Tomaz/Maddes  end
