Plant 4.0

package jumpingalien.model;

import java.math.BigDecimal;

import jumpingalien.util.Sprite;

/**
 * A class for creating the plants in the game and getting the imageSprites and coordinates.
 * Plants can move from left to right, or from right to left.
 * After leaving the visible game world, the plants will be terminated.
 * Plants are food to be eaten by Mazub.
 *
 * @version  2.0
 * @author   Thierry Klougbo & Jordi De Pau
 */
public class Plant extends Entity{

/**
 *Create an instance of Plant with given pixel position and given sprites.
 *The actual position of the new plant will correspond with the coordinates
 *of the left-bottom corner of the left-bottom pixel occupied by the new plant.
 *
 * @param pixelLeftX
 * @param pixelBottomY
 * @param sprites
 */
public Plant(int pixelLeftX, int pixelBottomY, Sprite... sprites) throws Exception {
    super(pixelLeftX, pixelBottomY, sprites);
    if(sprites.length!=2) {throw new Exception("Invalid sprites");}
    startMoveLeft();
}

    /*
     ************
     * Movement *
     ************
     */
    @Override
    public void startMoveRight(){
        setOrientation(1);
        setVelocity(0.5, 0);}

    @Override
    public void startMoveLeft() {
        setOrientation(-1);
        setVelocity(-0.5, 0);}

    /**
     *
     * @return  boolean for if plant is moving left or not.
     *      |if (getPlantVelocity()[0]< 0) {return true;} else {return false;}
     */
    public boolean IsMovingLeftPlant() {
        if (getVelocity()[0]< 0) {return true;} else {return false;}}

    /**
     *
     * @return a boolean for if plant is moving right or not.
     *      | if(getPlantVelocity()>0) {return true;} else {return false;}
     */
    public boolean IsMovingRightPlant() {
        if(getVelocity()[0]>0) {return true;} else {return false;}}

    public void HorizontalMovement(double dt) {
        double posx=getActualPosition()[0]+(getVelocity()[0]*dt);
        setActualPosition(posx, getActualPosition()[0]);
    }

    /*
     *********************
     * Sprites of plants *
     *********************
     */
    /**
     * @return the current sprite of the plant.
     *      |result=SPRITES
     * @post...
     *          | if(IsMovingLeftPlant()==true){SPRITES[0]=currentSpritePlant[0];}
     * @post...
     *          | if(IsMovingRightPlant()==true){SPRITES[0]=currentSpritePlant[1];}
     */
    @Override
    public Sprite getCurrentSprite() {
         if(getOrientation()==1){currentSprite=getSprites()[1];}
         if(getOrientation()==-1){currentSprite=getSprites()[0];}
         return currentSprite;
    }

    /*
     ***************
     *AdvencedTime *
     ***************
     */
   public BigDecimal time= BigDecimal.valueOf(0.000000);
    /*
     * Advance the state of the given game object by the given time period.
     */
    @Override
    public void advanceTime(double dt) {
        if(time.doubleValue()>=0.5) {
        if (IsMovingLeftPlant()) {startMoveRight();time = BigDecimal.valueOf(0);}
        if (IsMovingRightPlant()) {startMoveLeft();time = BigDecimal.valueOf(0);}}
        else {time.add(BigDecimal.valueOf(dt));}
        running(dt);
        if(dt>=10.0) {super.setHitPoint(0);}

        }

    public void running(double time) {
        BigDecimal newpos = BigDecimal.valueOf(getActualPosition()[0]);

        setActualPosition(newpos.add(BigDecimal.valueOf(getVelocity()[0]).multiply(BigDecimal.valueOf(time))).doubleValue(), getActualPosition()[1]);}




}