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package ch.epfl.maze.util;
/**
* Immutable action that encapsulates a choice made by an animal and information
* about it, such as if it was successful or not, and if the animal will die
* <i>while</i> performing it.
*/
public final class Action {
/* variables defining the action */
private final Direction mDirection;
private final boolean mSuccess;
private final boolean mDies;
/**
* Constructs a successful action of an animal towards a specified
* direction, that does not die between two squares.
*
* @param dir Direction towards which the action needs to be performed
*/
public Action(Direction dir) {
if (dir != null) {
mDirection = dir;
} else {
mDirection = Direction.NONE;
}
mSuccess = true;
mDies = false;
}
/**
* Constructs an action of an animal towards a specified direction, with a
* specified success, that does not die between two squares.
*
* @param dir Direction towards which the action needs to be performed
* @param successful Determines whether this action was successful
*/
public Action(Direction dir, boolean successful) {
mDirection = dir;
mSuccess = successful;
mDies = false;
}
/**
* Constructs an action of an animal towards a specified direction, with a
* specified success, and that also specifies if the animal dies between two
* squares.
*
* @param dir Direction towards which the action needs to be performed
* @param successful Determines whether this action was successful
* @param dies Determines whether the action will die between two squares
*/
public Action(Direction dir, boolean successful, boolean dies) {
mDirection = dir;
mSuccess = successful;
mDies = dies;
}
/**
* Retrieves the direction towards which the action shall move.
*
* @return Direction of the action
*/
public Direction getDirection() {
return mDirection;
}
/**
* Determines if the action was successful or not.
*
* @return <b>true</b> if the action was successful, <b>false</b> otherwise
*/
public boolean isSuccessful() {
return mSuccess;
}
/**
* Determines if the animal performing the action dies while moving from a
* square to another.
*
* @return <b>true</b> if the action dies between two squares, <b>false</b>
* otherwise
*/
public boolean diesBetweenSquares() {
return mDies;
}
}
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