ioq3/code/botlib/l_libvar.c

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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.
Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
/*****************************************************************************
* name: l_libvar.c
*
* desc: bot library variables
*
* $Archive: /MissionPack/code/botlib/l_libvar.c $
*
*****************************************************************************/
#include "../qcommon/q_shared.h"
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#include "l_memory.h"
#include "l_libvar.h"
//list with library variables
libvar_t *libvarlist = NULL;
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//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
float LibVarStringValue(char *string)
{
int dotfound = 0;
float value = 0;
while(*string)
{
if (*string < '0' || *string > '9')
{
if (dotfound || *string != '.')
{
return 0;
} //end if
else
{
dotfound = 10;
string++;
} //end if
} //end if
if (dotfound)
{
value = value + (float) (*string - '0') / (float) dotfound;
dotfound *= 10;
} //end if
else
{
value = value * 10.0 + (float) (*string - '0');
} //end else
string++;
} //end while
return value;
} //end of the function LibVarStringValue
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
libvar_t *LibVarAlloc(char *var_name)
{
libvar_t *v;
v = (libvar_t *) GetMemory(sizeof(libvar_t));
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Com_Memset(v, 0, sizeof(libvar_t));
v->name = (char *) GetMemory(strlen(var_name)+1);
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strcpy(v->name, var_name);
//add the variable in the list
v->next = libvarlist;
libvarlist = v;
return v;
} //end of the function LibVarAlloc
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void LibVarDeAlloc(libvar_t *v)
{
if (v->string) FreeMemory(v->string);
FreeMemory(v->name);
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FreeMemory(v);
} //end of the function LibVarDeAlloc
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void LibVarDeAllocAll(void)
{
libvar_t *v;
for (v = libvarlist; v; v = libvarlist)
{
libvarlist = libvarlist->next;
LibVarDeAlloc(v);
} //end for
libvarlist = NULL;
} //end of the function LibVarDeAllocAll
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
libvar_t *LibVarGet(char *var_name)
{
libvar_t *v;
for (v = libvarlist; v; v = v->next)
{
if (!Q_stricmp(v->name, var_name))
{
return v;
} //end if
} //end for
return NULL;
} //end of the function LibVarGet
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
char *LibVarGetString(char *var_name)
{
libvar_t *v;
v = LibVarGet(var_name);
if (v)
{
return v->string;
} //end if
else
{
return "";
} //end else
} //end of the function LibVarGetString
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
float LibVarGetValue(char *var_name)
{
libvar_t *v;
v = LibVarGet(var_name);
if (v)
{
return v->value;
} //end if
else
{
return 0;
} //end else
} //end of the function LibVarGetValue
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
libvar_t *LibVar(char *var_name, char *value)
{
libvar_t *v;
v = LibVarGet(var_name);
if (v) return v;
//create new variable
v = LibVarAlloc(var_name);
//variable string
v->string = (char *) GetMemory(strlen(value) + 1);
strcpy(v->string, value);
//the value
v->value = LibVarStringValue(v->string);
//variable is modified
v->modified = qtrue;
//
return v;
} //end of the function LibVar
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
char *LibVarString(char *var_name, char *value)
{
libvar_t *v;
v = LibVar(var_name, value);
return v->string;
} //end of the function LibVarString
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
float LibVarValue(char *var_name, char *value)
{
libvar_t *v;
v = LibVar(var_name, value);
return v->value;
} //end of the function LibVarValue
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void LibVarSet(char *var_name, char *value)
{
libvar_t *v;
v = LibVarGet(var_name);
if (v)
{
FreeMemory(v->string);
} //end if
else
{
v = LibVarAlloc(var_name);
} //end else
//variable string
v->string = (char *) GetMemory(strlen(value) + 1);
strcpy(v->string, value);
//the value
v->value = LibVarStringValue(v->string);
//variable is modified
v->modified = qtrue;
} //end of the function LibVarSet
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
qboolean LibVarChanged(char *var_name)
{
libvar_t *v;
v = LibVarGet(var_name);
if (v)
{
return v->modified;
} //end if
else
{
return qfalse;
} //end else
} //end of the function LibVarChanged
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void LibVarSetNotModified(char *var_name)
{
libvar_t *v;
v = LibVarGet(var_name);
if (v)
{
v->modified = qfalse;
} //end if
} //end of the function LibVarSetNotModified