/**
* Check if the tile needs to be hidden because the player is inside a cave or a house or
* something like this.
*
* @param tile the tile that is checked
* @param key the location key of the checked tile
* @return <code>true</code> in case the tile was handled
*/
@SuppressWarnings("nls")
private boolean checkHidden(final MapTile tile, final long key) {
final Location playerLoc = World.getPlayer().getLocation();
final Location tileLoc = tile.getLocation();
if ((playerLoc == null) || (tileLoc == null)) {
// something is very wrong. Put this entry back into the unchecked
// list and try it again later.
reportUnchecked(key);
return true;
}
/*
* And now we start with the inside check. In case the tile is below the
* level of the player its never hidden for sure.
*/
if (tileLoc.getScZ() <= playerLoc.getScZ()) {
if (tile.isHidden()) {
tile.setHidden(false);
addAllBelow(tileLoc, playerLoc.getScZ() - 2);
addAllNeighbours(tileLoc);
}
return true;
}
/*
* Now generate the index in the list of inside states and check if the
* tile is on a level that is hidden or not. If the tile is on such a
* level it does not mean for sure that it really needs to be hidden.
*/
final int insideIndex = tileLoc.getScZ() - playerLoc.getScZ() - 1;
if ((insideIndex < 0) || (insideIndex > 1)) {
LOGGER.warn("Invalid inside index: " + insideIndex);
return true;
}
/*
* Tile is not on a inside level. In case its hidden, show it again.
*/
if (!insideStates[insideIndex]) {
if (tile.isHidden()) {
tile.setHidden(false);
addAllBelow(tileLoc, playerLoc.getScZ() - 2);
addAllAbove(tileLoc, playerLoc.getScZ() + 2);
addAllNeighbours(tileLoc);
}
return true;
}
/*
* Now check if the tile is directly above the player. In this case it
* needs to be hidden.
*/
if ((tileLoc.getScX() == playerLoc.getScX())
&& (tileLoc.getScY() == playerLoc.getScY())
&& (tileLoc.getScZ() > playerLoc.getScZ())
&& !tile.isHidden()) {
tile.setHidden(true);
addAllBelow(tileLoc, playerLoc.getScZ() - 2);
addAllAbove(tileLoc, playerLoc.getScZ() + 2);
addAllNeighbours(tileLoc);
return true;
}
if (!tile.isHidden() && searchHiddenNeighbour(tileLoc)) {
tile.setHidden(true);
addAllBelow(tileLoc, playerLoc.getScZ() - 2);
addAllAbove(tileLoc, playerLoc.getScZ() + 2);
addAllNeighbours(tileLoc);
return true;
}
return false;
}
