package uk.co.oliwali.HawkEye.commands;
import org.bukkit.util.Vector;
import uk.co.oliwali.HawkEye.DataType;
import uk.co.oliwali.HawkEye.HawkEye;
import uk.co.oliwali.HawkEye.Rollback.RollbackType;
import uk.co.oliwali.HawkEye.SearchParser;
import uk.co.oliwali.HawkEye.callbacks.RollbackCallback;
import uk.co.oliwali.HawkEye.database.SearchQuery;
import uk.co.oliwali.HawkEye.database.SearchQuery.SearchDir;
import uk.co.oliwali.HawkEye.util.Permission;
import uk.co.oliwali.HawkEye.util.Util;
import com.sk89q.worldedit.IncompleteRegionException;
import com.sk89q.worldedit.LocalPlayer;
import com.sk89q.worldedit.LocalWorld;
import com.sk89q.worldedit.bukkit.BukkitPlayer;
import com.sk89q.worldedit.regions.Region;
/**
* Rolls back actions inside a WorldEdit selection according to the player's specified input.
* Error handling for user input is done using exceptions to keep code neat.
* @author oliverw92
*/
public class WorldEditRollbackCommand extends BaseCommand {
public WorldEditRollbackCommand() {
name = "werollback";
argLength = 1;
usage = "<parameters> <- rollback in WorldEdit area";
}
@Override
public boolean execute() {
//Check if player already has a rollback processing
if (session.doingRollback()) {
Util.sendMessage(sender, "&cYou already have a rollback command processing!");
return true;
}
//Check if WorldEdit is enabled
if (HawkEye.worldEdit == null) {
Util.sendMessage(sender, "&7WorldEdit&c is not enabled, unable to perform rollbacks in selected region");
return true;
}
//Check if the WorldEdit selection is complete
Region region = null;
try {
LocalPlayer lp = new BukkitPlayer(HawkEye.worldEdit, HawkEye.worldEdit.getWorldEdit().getServer(), player);
LocalWorld lw = lp.getWorld();
region = HawkEye.worldEdit.getWorldEdit().getSession(lp).getSelection(lw);
} catch (IncompleteRegionException e) {
Util.sendMessage(sender, "&cPlease complete your selection before doing a &7WorldEdit&c rollback!");
return true;
}
//Parse arguments
SearchParser parser = null;
try {
parser = new SearchParser(player, args);
//Check that supplied actions can rollback
if (parser.actions.size() > 0) {
for (DataType type : parser.actions)
if (!type.canRollback()) throw new IllegalArgumentException("You cannot rollback that action type: &7" + type.getConfigName());
}
//If none supplied, add in all rollback types
else {
for (DataType type : DataType.values())
if (type.canRollback()) parser.actions.add(type);
}
} catch (IllegalArgumentException e) {
Util.sendMessage(sender, "&c" + e.getMessage());
return true;
}
//Set WorldEdit locations
parser.minLoc = new Vector(region.getMinimumPoint().getX(), region.getMinimumPoint().getY(), region.getMinimumPoint().getZ());
parser.maxLoc = new Vector(region.getMaximumPoint().getX(), region.getMaximumPoint().getY(), region.getMaximumPoint().getZ());
//Create new SearchQuery with data
new SearchQuery(new RollbackCallback(session, RollbackType.GLOBAL), parser, SearchDir.DESC);
return true;
}
@Override
public void moreHelp() {
Util.sendMessage(sender, "&cRolls back all changes inside a WorldEdit selection");
Util.sendMessage(sender, "&cParameters are the same as a normal rollback command");
Util.sendMessage(sender, "&cDoes not support polygon selections.");
}
@Override
public boolean permission() {
return Permission.rollback(sender);
}
}