/
SpawnCommand.java
114 lines (85 loc) · 4.21 KB
/
SpawnCommand.java
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package net.aufdemrand.denizen.scripts.commands.entity;
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;
import net.aufdemrand.denizen.utilities.debugging.dB.Messages;
/**
* 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)) {
// Entity arg
scriptEntry.addObject("entities", ((dList) arg.asType(dList.class)).filter(dEntity.class));
}
else if (!scriptEntry.hasObject("location")
&& arg.matchesArgumentType(dLocation.class)) {
// Location arg
scriptEntry.addObject("location", arg.asType(dLocation.class));
}
else if (!scriptEntry.hasObject("target")
&& arg.matchesArgumentType(dEntity.class)
&& arg.matchesPrefix("target")) {
// Entity arg
scriptEntry.addObject("target", arg.asType(dEntity.class));
}
}
// Use the NPC or player's locations as the location if one is not specified
scriptEntry.defaultObject("location",
scriptEntry.hasNPC() ? scriptEntry.getNPC().getLocation() : null,
scriptEntry.hasPlayer() ? scriptEntry.getPlayer().getLocation() : null);
// Check to make sure required arguments have been filled
if (!scriptEntry.hasObject("entities"))
throw new InvalidArgumentsException(Messages.ERROR_MISSING_OTHER, "ENTITIES");
if (!scriptEntry.hasObject("location"))
throw new InvalidArgumentsException(Messages.ERROR_MISSING_OTHER, "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");
// Report to dB
dB.report(getName(), aH.debugObj("entities", entities.toString()) +
aH.debugObj("location", location) +
(target != null ? aH.debugObj("target", target) : ""));
// Keep a dList of entities that can be called using %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) {
if (!entity.isSpawned()) {
entity.spawnAt(location);
}
else {
entity.teleport(location);
}
// 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 (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);
}
}