/**
* 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));
}
}
}
}
private void onFieldClick(Field f) {
if (f == null
|| fieldCreationFragment == null
|| fieldCreationFragment.getZahlenschlange() == null) {
return;
}
if (clickCount < MAX_CLICKS) {
clickCount++;
}
updateClickCount();
Zahlenschlange gameLogic = fieldCreationFragment.getZahlenschlange();
int index = f.getIndex();
int y = index / difficulty;
index = index % difficulty;
int x = index;
Position end = gameLogic.getPathEnd();
if (end.getX() == x && end.getY() == y) {
gameLogic.undo();
updateGridView();
return;
}
Result res = gameLogic.makeStepTo(x, y);
if (res.isOk() || res.isGameFinished()) {
updateGridView();
if (res.isGameFinished()) {
finishGame(true);
}
} else if (res.isNotAllowed()) {
showToast(getString(R.string.operation_not_allowed));
}
}