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/*

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

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

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;

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);