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// Emacs style mode select -*- C++ -*-
//----------------------------------------------------------------------------
//
// $Id: t_vari.h,v 1.1 2000/11/02 17:57:28 stroggonmeth Exp $
//
// Copyright(C) 2000 Simon Howard
//
// 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
//
// $Log: t_vari.h,v $
// Revision 1.1 2000/11/02 17:57:28 stroggonmeth
// FraggleScript files...
//
//
//--------------------------------------------------------------------------
#ifndef __VARIABLE_H__
#define __VARIABLE_H__
typedef struct svariable_s svariable_t;
#define VARIABLESLOTS 16
#include "t_parse.h"
#include "p_mobj.h"
#include "m_fixed.h"
// hash the variables for speed: this is the hashkey
#define variable_hash(n) \
( ( (n)[0] + (n)[1] + \
((n)[1] ? (n)[2] + \
((n)[2] ? (n)[3] : 0) : 0) ) % VARIABLESLOTS )
// svariable_t
struct svariable_s
{
char *name;
int type; // vt_string or vt_int: same as in svalue_t
union
{
char *s;
long i;
mobj_t *mobj;
fixed_t fixed;
char **pS; // pointer to game string
int *pI; // pointer to game int
fixed_t *pFixed;
mobj_t **pMobj; // pointer to game obj
double *pf;
void (*handler)(); // for functions
char *labelptr; // for labels
} value;
svariable_t *next; // for hashing
};
// variable types
enum
{
svt_string,
svt_int,
svt_fixed,
svt_mobj, // a map object
svt_function, // functions are stored as variables
svt_label, // labels for goto calls are variables
svt_const, // const
svt_pInt, // pointer to game int
svt_pFixed,
svt_pString, // pointer to game string
svt_pMobj, // pointer to game mobj
};
// variables
void T_ClearHubScript();
void init_variables();
svariable_t *new_variable(script_t *script, char *name, int vtype);
svariable_t *find_variable(char *name);
svariable_t *variableforname(script_t *script, char *name);
svalue_t getvariablevalue(svariable_t *v);
void setvariablevalue(svariable_t *v, svalue_t newvalue);
void clear_variables(script_t *script);
svariable_t *add_game_int(char *name, int *var);
svariable_t *add_game_string(char *name, char **var);
svariable_t *add_game_mobj(char *name, mobj_t **mo);
// functions
svalue_t evaluate_function(int start, int stop); // actually run a function
svariable_t *new_function(char *name, void (*handler)() );
// arguments to handler functions
#define MAXARGS 128
extern int t_argc;
extern svalue_t *t_argv;
extern svalue_t t_return;
#endif
//---------------------------------------------------------------------------
//
// $Log: t_vari.h,v $
// Revision 1.1 2000/11/02 17:57:28 stroggonmeth
// FraggleScript files...
//
// Revision 1.1.1.1 2000/04/30 19:12:09 fraggle
// initial import
//
//
//---------------------------------------------------------------------------
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