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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package oo15loipe;
/**
* @author Camil Staps, s4498062 // Thijs Heijligenberg, s4451414
*/
public class Loipe implements InfoLoipe {
private final static int DIRECTION_EAST = 0,
DIRECTION_SOUTH = 1,
DIRECTION_WEST = 2,
DIRECTION_NORTH = 3;
private int height = 0, width = 0;
private Punt start;
private Punt[] path;
private int path_pointer = 0;
private Fragment[][] loipe;
public Loipe (String pad) {
// First calculate width and height
int direction = DIRECTION_NORTH;
int maxX = 0, maxY = 0, minX = 0, minY = 0;
Punt current_point = new Punt(0,0);
for (int i = 0; i < pad.length(); i++) {
if (current_point.getX() < minX)
minX = current_point.getX();
if (current_point.getX() > maxX)
maxX = current_point.getX();
if (current_point.getY() < minY)
minY = current_point.getY();
if (current_point.getY() > maxY)
maxY = current_point.getY();
switch (pad.charAt(i)) {
case 'r':
switch (direction) {
case DIRECTION_EAST: direction = DIRECTION_SOUTH; break;
case DIRECTION_SOUTH: direction = DIRECTION_WEST; break;
case DIRECTION_WEST: direction = DIRECTION_NORTH; break;
case DIRECTION_NORTH: direction = DIRECTION_EAST; break;
}
break;
case 'l':
switch (direction) {
case DIRECTION_EAST: direction = DIRECTION_NORTH; break;
case DIRECTION_SOUTH: direction = DIRECTION_EAST; break;
case DIRECTION_WEST: direction = DIRECTION_SOUTH; break;
case DIRECTION_NORTH: direction = DIRECTION_WEST; break;
}
}
switch (direction) {
case DIRECTION_EAST: current_point = new Punt(current_point.getX() + 1, current_point.getY()); break;
case DIRECTION_SOUTH: current_point = new Punt(current_point.getX(), current_point.getY() + 1); break;
case DIRECTION_WEST: current_point = new Punt(current_point.getX() - 1, current_point.getY()); break;
case DIRECTION_NORTH: current_point = new Punt(current_point.getX(), current_point.getY() - 1); break;
}
System.out.println(pad.charAt(i) + ":" + direction);
}
System.out.println();
System.out.println(maxX);
System.out.println(minX);
System.out.println(maxY);
System.out.println(minY);
height = maxY - minY;
width = maxX - minX;
start = new Punt(-minX, -minY);
// Now fill the Loipe
loipe = new Fragment[width][height];
path = new Punt[pad.length()];
current_point = new Punt(-minX, -minY);
direction = DIRECTION_NORTH;
for (int i = 0; i < pad.length(); i++) {
path[i] = current_point;
if (loipe[current_point.getX()][current_point.getY()] == null) {
loipe[current_point.getX()][current_point.getY()] = Fragment.KR;
} else {
switch (pad.charAt(i)) {
case 'r':
switch (direction) {
case DIRECTION_EAST: loipe[current_point.getX()][current_point.getY()] = Fragment.ZW; break;
case DIRECTION_SOUTH: loipe[current_point.getX()][current_point.getY()] = Fragment.NW; break;
case DIRECTION_WEST: loipe[current_point.getX()][current_point.getY()] = Fragment.NO; break;
case DIRECTION_NORTH: loipe[current_point.getX()][current_point.getY()] = Fragment.ZO; break;
}
break;
case 'l':
switch (direction) {
case DIRECTION_EAST: loipe[current_point.getX()][current_point.getY()] = Fragment.NW; break;
case DIRECTION_SOUTH: loipe[current_point.getX()][current_point.getY()] = Fragment.NO; break;
case DIRECTION_WEST: loipe[current_point.getX()][current_point.getY()] = Fragment.ZO; break;
case DIRECTION_NORTH: loipe[current_point.getX()][current_point.getY()] = Fragment.ZW; break;
}
}
}
switch (pad.charAt(i)) {
case 'r':
switch (direction) {
case DIRECTION_EAST: direction = DIRECTION_SOUTH; break;
case DIRECTION_SOUTH: direction = DIRECTION_WEST; break;
case DIRECTION_WEST: direction = DIRECTION_NORTH; break;
case DIRECTION_NORTH: direction = DIRECTION_EAST; break;
}
break;
case 'l':
switch (direction) {
case DIRECTION_EAST: direction = DIRECTION_NORTH; break;
case DIRECTION_SOUTH: direction = DIRECTION_EAST; break;
case DIRECTION_WEST: direction = DIRECTION_SOUTH; break;
case DIRECTION_NORTH: direction = DIRECTION_WEST; break;
}
}
switch (direction) {
case DIRECTION_EAST: current_point = new Punt(current_point.getX() + 1, current_point.getY()); break;
case DIRECTION_SOUTH: current_point = new Punt(current_point.getX(), current_point.getY() + 1); break;
case DIRECTION_WEST: current_point = new Punt(current_point.getX() - 1, current_point.getY()); break;
case DIRECTION_NORTH: current_point = new Punt(current_point.getX(), current_point.getY() - 1); break;
}
}
}
@Override
public int getHeight() {
return height;
}
@Override
public int getWidth() {
return width;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
for (Punt p : path) {
sb.append(p).append(" -> ");
}
return sb.toString();
}
@Override
public Fragment getFragment(int x, int y) {
return loipe[x][y];
}
@Override
public Punt start() {
return start;
}
@Override
public Punt stap() {
return path[path_pointer++];
}
}
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