TeleportCommand.java

package net.aufdemrand.denizen.scripts.commands.entity;

import java.util.Arrays;
import java.util.List;

import net.aufdemrand.denizen.exceptions.CommandExecutionException;
import net.aufdemrand.denizen.exceptions.InvalidArgumentsException;
import net.aufdemrand.denizen.objects.aH;
import net.aufdemrand.denizen.objects.dEntity;
import net.aufdemrand.denizen.objects.dList;
import net.aufdemrand.denizen.objects.dLocation;
import net.aufdemrand.denizen.scripts.ScriptEntry;
import net.aufdemrand.denizen.scripts.commands.AbstractCommand;
import net.aufdemrand.denizen.utilities.debugging.dB;

/**
 * Teleports a list of entities to a location.
 *
 * @author David Cernat
 */

public class TeleportCommand extends AbstractCommand {
    
    @Override
    public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException {

        // Initialize necessary fields
        for (aH.Argument arg : aH.interpret(scriptEntry.getArguments())) {

            if (!scriptEntry.hasObject("location")
                && arg.matchesArgumentType(dLocation.class)) {
                // Location arg
                scriptEntry.addObject("location", arg.asType(dLocation.class));
            }

            else if (!scriptEntry.hasObject("entities")
                     && arg.matchesArgumentList(dEntity.class)) {
                // Entity arg
                scriptEntry.addObject("entities", ((dList) arg.asType(dList.class)).filter(dEntity.class));
            }

            else if (arg.matches("npc") && scriptEntry.hasNPC()) {
                // NPC arg for compatibility with old scripts
                scriptEntry.addObject("entities", Arrays.asList(scriptEntry.getNPC().getDenizenEntity()));
            }
        }

        // Check to make sure required arguments have been filled
        scriptEntry.defaultObject("entities", (scriptEntry.hasPlayer() ? Arrays.asList(scriptEntry.getPlayer().getDenizenEntity()) : null), 
                                              (scriptEntry.hasNPC() ? Arrays.asList(scriptEntry.getNPC().getDenizenEntity()) : null));
        
    }
    
    @SuppressWarnings("unchecked")
    @Override
    public void execute(final ScriptEntry scriptEntry) throws CommandExecutionException {
        // Get objects
        
        dLocation location = (dLocation) scriptEntry.getObject("location");
        List<dEntity> entities = (List<dEntity>) scriptEntry.getObject("entities");
        
        // Report to dB
        dB.report(getName(), aH.debugObj("location", location) +
                             aH.debugObj("entities", entities.toString()));

        for (dEntity entity : entities) {
            if (entity.isSpawned()) {
                entity.spawnAt(location);
            }
        }
    }
}