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/*
* Rush Hour Android app
* Copyright (C) 2015 Randy Wanga, Jos Craaijo, Camil Staps
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package com.camilstaps.rushhour;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.view.ViewGroup;
import android.widget.RelativeLayout;
import android.widget.Toast;
import java.util.HashSet;
import java.util.Set;
/**
* Created by camilstaps on 16-4-15.
*/
public class Board {
Set<Car> cars = new HashSet<>();
public static final int DIMENSION = 6;
private DriveListener driveListener;
private SolveListener solveListener;
private int score;
/**
* Move a car if possible, and call the appropriate listeners
*/
private MoveListener moveListener = new MoveListener() {
@Override
public void onMove(Car car, int offset) {
Coordinate newC = car.wouldMoveTo(offset);
if (newC.getY() > DIMENSION - 1 || newC.getX() > DIMENSION - 1 || newC.getX() < 0 || newC.getY() < 0) {
driveListener.onBlocked();
return;
}
for (Car iter : cars) {
if (iter.occupies(newC)) {
driveListener.onBlocked();
return;
}
}
car.move(offset);
score++;
if (isSolved() && solveListener != null) {
solveListener.onSolve(score);
}
driveListener.onDrive();
}
};
public Board(Set<Car> cars) {
for (Car car : cars) {
add(car);
}
}
public Board() {
this(new HashSet<Car>());
}
public void add(Car car) {
car.setMoveListener(moveListener);
cars.add(car);
}
/**
* Add all cars to an existing layout
* RelativeLayout is assumed, although this may work with other Layouts
* @param context
* @param layout
*/
public void addToLayout(Context context, ViewGroup layout) {
for (Car car : cars) {
layout.addView(car.getImageView(
context,
(layout.getWidth() - layout.getPaddingLeft() - layout.getPaddingRight()) / DIMENSION
));
}
}
/**
* True iff the red car can move out without problems
* @return
*/
public boolean isSolved() {
for (int x = DIMENSION - 1; x >= 0; x--) {
for (Car car : cars) {
if (car.occupies(new Coordinate(x, 2))) {
if (car.canMoveHorizontally()) {
return true;
} else {
return false;
}
}
}
}
return false;
}
public void setDriveListener(DriveListener dl) {
driveListener = dl;
}
public interface SolveListener {
public void onSolve(int score);
}
public void setSolveListener(SolveListener sl) {
solveListener = sl;
}
}
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