engine: cvar: add Cvar_DirectSetValue function

engine/common/cvar.c

@@ -736,6 +736,24 @@ void Cvar_DirectSet( convar_t *var, const char *value )
 	Cvar_Changed( var );
 }
 
+/*
+============
+Cvar_DirectSetValue
+
+functionally is the same as Cvar_SetValue but for direct cvar access
+============
+*/
+void Cvar_DirectSetValue( convar_t *var, float value )
+{
+	char	val[32];
+
+	if( fabs( value - (int)value ) < 0.000001 )
+		Q_snprintf( val, sizeof( val ), "%d", (int)value );
+	else Q_snprintf( val, sizeof( val ), "%f", value );
+
+	Cvar_DirectSet( var, val );
+}
+
 /*
 ============
 Cvar_FullSet

engine/common/cvar.h

@@ -66,6 +66,7 @@ convar_t *Cvar_Getf( const char *var_name, int flags, const char *description, c
 void Cvar_LookupVars( int checkbit, void *buffer, void *ptr, setpair_t callback );
 void Cvar_FullSet( const char *var_name, const char *value, int flags );
 void Cvar_DirectSet( convar_t *var, const char *value );
+void Cvar_DirectSetValue( convar_t *var, float value );
 void Cvar_Set( const char *var_name, const char *value );
 void Cvar_SetValue( const char *var_name, float value );
 const char *Cvar_BuildAutoDescription( const char *szName, int flags );