text: /*
  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	EDICT_TO_PROG(e) ((byte *)(e) - ((byte *)(sv.edicts)))
  // #define PROG_TO_EDICT(e) ((edict_t *)((byte *)sv.edicts + e))
  #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_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_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);
  
  