103 lines
3.4 KiB
Java
Executable File
103 lines
3.4 KiB
Java
Executable File
package SnakePkg;
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import java.lang.Math;
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/**
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* @class Apple
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* @brief Represent an Apple in the Board.
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*
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* Apples are part of the elements we place on the board.
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* Each apple have a point contribution to the user and can be eaten once
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* The point system is algebraic in order to simplify calculation.
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*
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* @author Christos Choutouridis 8997
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* @email cchoutou@ece.auth.gr
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*/
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public class Apple {
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/** @name Constructors */
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/** @{ */
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/**
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* A Default, doing nothing constructor
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* @note We don't use this constructor
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*/
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Apple () {
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appleId = appleTileId= 0;
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color = "";
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points = 0;
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}
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/**
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* The main constructor
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* @param appleId The id of the apple
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* @param appleTileId The tile where the apples is placed
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* @param color The color of the apple
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* @param points The points the apple is adding or subtracking from user
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*/
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Apple (int appleId, int appleTileId, String color, int points) {
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this.appleId = appleId;
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this.appleTileId = appleTileId;
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this.color = color;
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this.points = points;
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}
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/** Copy constructor
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* @param a The apple we want to copy
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*/
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Apple (Apple a) {
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appleId = a.getAppleId ();
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appleTileId = a.getAppleTileId ();
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color = a.getColor ();
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points = a.getPoints ();
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}
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/** @} */
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/** @name Get/Set interface */
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/** @{ */
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int getAppleId () { return appleId; }
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void setAppleId (int appleId) { this.appleId = appleId; }
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int getAppleTileId () { return appleTileId; }
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void setAppleTileId (int appleTileId) { this.appleTileId = appleTileId; }
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String getColor () { return color; }
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/**
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* We set color and we update points sign.
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* @param color The desired color
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* @arg "red" Set color red and mark "points" positive
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* @arg "black" Set color black and mark "points" negative
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* @arg Otherwise zero
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*/
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void setColor (String color) {
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this.color = color.toLowerCase();
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if (color == "red") points = Math.abs(points);
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else if (color == "black") points = -Math.abs(points);
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else points = 0;
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}
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int getPoints () { return points; }
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/** We set the points and update its sign based on color */
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void setPoints (int points) {
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if (color == "red") this.points = Math.abs(points);
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else this.points = -Math.abs(points);
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}
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/** @} */
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/** @name Data members */
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/** @{ */
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private int appleId; /**< Apples's ID */
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private int appleTileId; /**< Apple's tile location */
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private String color;
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/**< Apple's color
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* @note
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* This way of representing color is not preferable by the @ref author
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* An <pre>
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* enum Color {
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* red, black
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* }</pre>
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* would be better and far less error prone.
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* In order to support this style of color encoding we have to strict the
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* color names to lower case letters and also convert user input.
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* We also update the points sign to make calculations easier.
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* @see setColor
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*/
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private int points; /**< The points added (algebraically) to the user */
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/** @} */
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}
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