/*
===============
Cmd_If_f

Compares two cvars, if true vstr the third, if false vstr the forth
===============
*/
void Cmd_If_f( void ) {
  char	*v;
  int 	v1;
  int 	v2;
  char	*vt;
  char	*vf;
  char  *op;

  if (Cmd_Argc () == 6) {
    v1 = Cvar_VariableIntegerValue( Cmd_Argv( 1 ) );
    op = Cmd_Argv( 2 );
    v2 = Cvar_VariableIntegerValue( Cmd_Argv( 3 ) );
    vt = Cvar_VariableString( Cmd_Argv( 4 ) );
    vf = Cvar_VariableString( Cmd_Argv( 5 ) );
    if ( ( !strcmp( op, "="  ) && v1 == v2 ) ||
         ( !strcmp( op, "!=" ) && v1 != v2 ) ||
         ( !strcmp( op, "<"  ) && v1 <  v2 ) ||
         ( !strcmp( op, "<=" ) && v1 <= v2 ) ||
         ( !strcmp( op, ">"  ) && v1 >  v2 ) ||
         ( !strcmp( op, ">=" ) && v1 >= v2 ) )
    {
      v = vt;
    }
    else if ( ( !strcmp( op, "="  ) && v1 != v2 ) ||
              ( !strcmp( op, "!=" ) && v1 == v2 ) ||
              ( !strcmp( op, "<"  ) && v1 >= v2 ) ||
              ( !strcmp( op, "<=" ) && v1 >  v2 ) ||
              ( !strcmp( op, ">"  ) && v1 <= v2 ) ||
              ( !strcmp( op, ">=" ) && v1 <  v2 ) )
    {
      v = vf;
    }
    else
    {
      Com_Printf ("invalid operator in if command. valid operators are = != < > >= <=\n");
      return;
    }
  }
  else {
    Com_Printf ("if <variable1> <operator> <variable2> <variablethen> <variableelse> : compares the first two variables and executes <variablethen> if true, <variableelse> if false\n");
    return;
  }
  Cbuf_InsertText( va("%s\n", v ) );
}