/**
* Handle a "attack"-message.
*
* @param server The <code>FreeColServer</code> handling the message.
* @param player The <code>Player</code> the message applies to.
* @param connection The <code>Connection</code> message was received on.
* @return An update encapsulating the attack or an error <code>Element</code> on failure.
*/
public Element handle(FreeColServer server, Player player, Connection connection) {
ServerPlayer serverPlayer = server.getPlayer(connection);
Unit unit;
try {
unit = serverPlayer.getOurFreeColGameObject(unitId, Unit.class);
} catch (Exception e) {
return DOMMessage.clientError(e.getMessage());
}
Tile tile;
try {
tile = unit.getNeighbourTile(directionString);
} catch (Exception e) {
return DOMMessage.clientError(e.getMessage());
}
MoveType moveType = unit.getMoveType(tile);
if (moveType == MoveType.ENTER_INDIAN_SETTLEMENT_WITH_SCOUT
|| moveType == MoveType.ENTER_FOREIGN_COLONY_WITH_SCOUT
|| moveType.isAttack()) {; // OK
} else {
return DOMMessage.clientError(
"Illegal attack move for: "
+ unitId
+ " type: "
+ moveType
+ " from: "
+ unit.getLocation().getId()
+ " to: "
+ tile.getId());
}
Unit defender = tile.getDefendingUnit(unit);
if (defender == null) {
return DOMMessage.clientError(
"Could not find defender"
+ " in tile: "
+ tile.getId()
+ " from: "
+ unit.getLocation().getId());
}
// Proceed to attack.
return server.getInGameController().combat(serverPlayer, unit, defender, null);
}
