package net.aufdemrand.denizen.scripts.commands.entity;
import java.util.List;
import net.aufdemrand.denizen.BukkitScriptEntryData;
import net.aufdemrand.denizencore.exceptions.CommandExecutionException;
import net.aufdemrand.denizencore.exceptions.InvalidArgumentsException;
import net.aufdemrand.denizen.objects.Element;
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;
import net.aufdemrand.denizencore.utilities.CoreUtilities;
import org.bukkit.Location;
/**
* Spawn entities at a location. If no location is chosen,
* the entities are spawned at the NPC or player's location.
*
* @author David Cernat
*/
public class SpawnCommand extends AbstractCommand {
@Override
public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException {
for (aH.Argument arg : aH.interpret(scriptEntry.getArguments())) {
if (!scriptEntry.hasObject("entities")
&& arg.matchesArgumentList(dEntity.class)) {
scriptEntry.addObject("entities", arg.asType(dList.class).filter(dEntity.class));
}
else if (!scriptEntry.hasObject("location")
&& arg.matchesArgumentType(dLocation.class)) {
scriptEntry.addObject("location", arg.asType(dLocation.class));
}
else if (!scriptEntry.hasObject("target")
&& arg.matchesArgumentType(dEntity.class)
&& arg.matchesPrefix("target")) {
scriptEntry.addObject("target", arg.asType(dEntity.class));
}
else if (!scriptEntry.hasObject("spread")
&& arg.matchesPrimitive(aH.PrimitiveType.Integer)) {
scriptEntry.addObject("spread", arg.asElement());
}
else if (!scriptEntry.hasObject("persistent")
&& arg.matches("persistent")) {
scriptEntry.addObject("persistent", "");
}
else arg.reportUnhandled();
}
// Use the NPC or player's locations as the location if one is not specified
scriptEntry.defaultObject("location",
((BukkitScriptEntryData)scriptEntry.entryData).hasNPC() ? ((BukkitScriptEntryData)scriptEntry.entryData).getNPC().getLocation() : null,
((BukkitScriptEntryData)scriptEntry.entryData).hasPlayer() ? ((BukkitScriptEntryData)scriptEntry.entryData).getPlayer().getLocation() : null);
// Check to make sure required arguments have been filled
if (!scriptEntry.hasObject("entities"))
throw new InvalidArgumentsException("Must specify entity/entities!");
if (!scriptEntry.hasObject("location"))
throw new InvalidArgumentsException("Must specify a location!");
}
@SuppressWarnings("unchecked")
@Override
public void execute(final ScriptEntry scriptEntry) throws CommandExecutionException {
// Get objects
List<dEntity> entities = (List<dEntity>) scriptEntry.getObject("entities");
dLocation location = (dLocation) scriptEntry.getObject("location");
dEntity target = (dEntity) scriptEntry.getObject("target");
Element spread = scriptEntry.getElement("spread");
boolean persistent = scriptEntry.hasObject("persistent");
// Report to dB
dB.report(scriptEntry, getName(), aH.debugObj("entities", entities.toString()) +
location.debug() +
(spread != null ?spread.debug() : "") +
(target != null ? target.debug() : "") +
(persistent ? aH.debugObj("persistent", "true") : ""));
// Keep a dList of entities that can be called using <entry[name].spawned_entities>
// later in the script queue
dList entityList = new dList();
// Go through all the entities and spawn them or teleport them,
// then set their targets if applicable
for (dEntity entity : entities) {
Location loc = location.clone();
if (spread != null) {
loc.add(CoreUtilities.getRandom().nextInt(spread.asInt() * 2) - spread.asInt(),
0,
CoreUtilities.getRandom().nextInt(spread.asInt() * 2) - spread.asInt());
}
entity.spawnAt(loc);
// Only add to entityList after the entities have been
// spawned, otherwise you'll get something like "e@skeleton"
// instead of "e@57" on it
entityList.add(entity.toString());
if (persistent && entity.isLivingEntity()) {
entity.getLivingEntity().setRemoveWhenFarAway(false);
}
if (target != null && target.isLivingEntity()) {
entity.target(target.getLivingEntity());
}
}
// Add entities to context so that the specific entities created/spawned
// can be fetched.
scriptEntry.addObject("spawned_entities", entityList);
}
}