/** Updates the gridLayout with the actual game data if existing. */
private void updateGridView() {
if (fieldCreationFragment == null || fieldCreationFragment.getZahlenschlange() == null) {
return;
}
Zahlenschlange gameLogic = fieldCreationFragment.getZahlenschlange();
int index = 0;
for (int y = 0; y < difficulty; y++) {
for (int x = 0; x < difficulty; x++) {
View v = gameSquareGridLayout.getChildAt(index);
if (v instanceof Field) {
Field f = (Field) v;
f.setNumber(gameLogic.getValue(x, y));
f.setDirection(Field.DIRECTION_NONE);
f.setDirection2(Field.DIRECTION_NONE);
f.setBodyStyle(Field.BODY_NORMAL);
}
index++;
}
}
Field first = (Field) gameSquareGridLayout.getChildAt(0);
Field last = (Field) gameSquareGridLayout.getChildAt(index - 1);
first.setBodyStyle(Field.BODY_TAIL);
last.setBodyStyle(Field.BODY_HEAD);
drawPath(gameLogic.getPath());
}
/**
* Draws the given path on the gridLayout's fields.
*
* @param path The path to draw
*/
private void drawPath(List<Position> path) {
for (int i = 0; i < path.size(); i++) {
Position p = path.get(i);
int index = p.getX() + p.getY() * difficulty;
View v = gameSquareGridLayout.getChildAt(index);
if (v != null && v instanceof Field) {
Field f = (Field) v;
Position before = null;
Position after = null;
if (index == 0) {
f.setBodyStyle(Field.BODY_TAIL);
} else if (index == (difficulty * difficulty) - 1) {
f.setBodyStyle(Field.BODY_HEAD);
} else {
f.setBodyStyle(Field.BODY_NORMAL);
}
if (i > 0) {
before = path.get(i - 1);
}
if (i < path.size() - 1) {
after = path.get(i + 1);
}
int xDif;
int yDif;
if (before != null) {
xDif = p.getX() - before.getX(); // -Rechts +Links
yDif = p.getY() - before.getY(); // -Unten +Oben
f.setDirection(getDirectionFromDif(xDif, yDif));
}
if (after != null) {
xDif = p.getX() - after.getX(); // -Rechts +Links
yDif = p.getY() - after.getY(); // -Unten +Oben
f.setDirection2(getDirectionFromDif(xDif, yDif));
}
}
}
}