private boolean canFaceDownBeShownTo(final PlayerView viewer) {
if (!isFaceDown()) {
return true;
}
if (viewer.hasKeyword("CanSeeOpponentsFaceDownCards")) {
return true;
}
// special viewing permissions for viewer
if (mayPlayerLook(viewer)) {
return true;
}
// if viewer is controlled by another player, also check if face can be shown to that player
final PlayerView mindSlaveMaster = viewer.getMindSlaveMaster();
if (mindSlaveMaster != null && canFaceDownBeShownTo(mindSlaveMaster)) {
return true;
}
if (isInZone(EnumSet.of(ZoneType.Battlefield, ZoneType.Stack, ZoneType.Sideboard))
&& getController().equals(viewer)) {
return true;
}
if (getController().isOpponentOf(viewer) && getCurrentState().getOpponentMayLook()) {
return true;
}
return false;
}
private boolean canBeShownTo(final PlayerView viewer) {
if (viewer == null) {
return false;
}
ZoneType zone = getZone();
if (zone == null) {
return true;
} // cards outside any zone are visible to all
final PlayerView controller = getController();
switch (zone) {
case Ante:
case Command:
case Exile:
case Battlefield:
case Graveyard:
case Flashback:
case Stack:
// cards in these zones are visible to all
return true;
case Hand:
if (controller.hasKeyword("Play with your hand revealed.")) {
return true;
}
// $FALL-THROUGH$
case Sideboard:
// face-up cards in these zones are hidden to opponents unless they specify otherwise
if (controller.isOpponentOf(viewer) && !getCurrentState().getOpponentMayLook()) {
break;
}
return true;
case Library:
case PlanarDeck:
// cards in these zones are hidden to all unless they specify otherwise
if (viewer != null && viewer.equals(controller) && getCurrentState().getYouMayLook()) {
return true;
}
if (controller.isOpponentOf(viewer) && getCurrentState().getOpponentMayLook()) {
return true;
}
break;
case SchemeDeck:
// true for now, to actually see the Scheme cards (can't see deck anyway)
return true;
}
// special viewing permissions for viewer
if (mayPlayerLook(viewer)) {
return true;
}
// if viewer is controlled by another player, also check if card can be shown to that player
PlayerView mindSlaveMaster = controller.getMindSlaveMaster();
if (mindSlaveMaster != null && mindSlaveMaster == viewer) {
return canBeShownTo(controller);
}
return false;
}