/* Class: AdvMotionCommand */
/**
* This class is the subclass of AdvCommand that corresponds to
* motion verbs. Each instance of this class stores the motion
* direction it uses as part of its state.
*/
public class AdvMotionCommand extends AdvCommand {
/* Constructor: AdvMotionCommand(dir) */
/**
* Creates a new AdvMotionCommand for the specified direction.
*
* @usage command = new AdvMotionCommand(dir);
* @param dir The string corresponding to the direction of motion
*/
public AdvMotionCommand(String dir) {
direction = dir;
}
/* Method: execute(adv, obj) */
/**
* Executes this command in the context of the adventure game passed
* as the adv parameter. This method must be defined by all AdvCommand
* objects. Here it simply calls executeMotionCommand with the
* stored direction.
*/
public void execute(Adventure game, AdvObject obj) {
game.executeMotionCommand(direction);
}
