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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
+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"
+#include "l_memory.h"
+#include "l_libvar.h"
+
+//list with library variables
+libvar_t *libvarlist = NULL;
+
+//===========================================================================
+//
+// 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));
+	Com_Memset(v, 0, sizeof(libvar_t));
+	v->name = (char *) GetMemory(strlen(var_name)+1);
+	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);
+	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