/
DropCommand.java
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/
DropCommand.java
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package net.aufdemrand.denizen.scripts.commands.core;
import net.aufdemrand.denizen.exceptions.CommandExecutionException;
import net.aufdemrand.denizen.exceptions.InvalidArgumentsException;
import net.aufdemrand.denizen.objects.*;
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;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.ExperienceOrb;
/**
* Drops things into the world.
*
* Usage: - drop [item, entity, or 'experience'] (quantity) [location]
*
* @author Jeremy Schroeder
*/
public class DropCommand extends AbstractCommand {
public String getHelp() {
return "Drops things into the world. Must specify something to drop," +
"such as 'experience', an item, or an entity. Must also" +
"specify a location, and if more than 1, a quantity. \n" +
" \n" +
"Use to drop items, even custom item_scripts. \n" +
"- drop iron_helmet <npc.location> \n" +
"- drop butter 5 <notable.location[churn]> \n" +
"Use to reward the player with some experience. \n" +
"- drop experience 1000 <player.location> \n" +
"Use to drop entities, such as boats or minecarts. \n" +
"- drop e@boat <player.flag[dock_location]>";
}
enum Action { DROP_ITEM, DROP_EXP, DROP_ENTITY }
@Override
public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException {
for (aH.Argument arg : aH.interpret(scriptEntry.getArguments())) {
if (!scriptEntry.hasObject("action")
&& !arg.matchesPrefix("qty")
&& arg.matchesArgumentType(dItem.class)) {
// Item arg
scriptEntry.addObject("action", new Element(Action.DROP_ITEM.toString()).setPrefix("action"));
scriptEntry.addObject("item", arg.asType(dItem.class).setPrefix("item")); }
else if (!scriptEntry.hasObject("action")
&& arg.matchesPrefix("experience, exp, xp"))
// Experience arg
scriptEntry.addObject("action", new Element(Action.DROP_EXP.toString()).setPrefix("action"));
else if (!scriptEntry.hasObject("action")
&& arg.matchesArgumentType(dEntity.class)) {
// Entity arg
scriptEntry.addObject("action", new Element(Action.DROP_ENTITY.toString()).setPrefix("action"));
scriptEntry.addObject("entity", arg.asType(dEntity.class).setPrefix("entity")); }
else if (!scriptEntry.hasObject("location")
&& arg.matchesArgumentType(dLocation.class))
// Location arg
scriptEntry.addObject("location", arg.asType(dLocation.class).setPrefix("location"));
else if (!scriptEntry.hasObject("qty")
&& arg.matchesPrimitive(aH.PrimitiveType.Integer))
// Quantity arg
scriptEntry.addObject("qty", arg.asElement().setPrefix("qty"));
else dB.echoError("Unhandled argument: '" + arg.raw_value + "'");
}
// Make sure all required arguments are met
if (!scriptEntry.hasObject("action"))
throw new InvalidArgumentsException("Must specify something to drop!");
if (!scriptEntry.hasObject("location"))
if (scriptEntry.getPlayer() != null && scriptEntry.getPlayer().isOnline()) {
scriptEntry.addObject("location", scriptEntry.getPlayer().getLocation().setPrefix("location"));
dB.echoDebug("Did not specify a location, assuming Player's location.");
} else throw new InvalidArgumentsException("Must specify a location!");
if (!scriptEntry.hasObject("qty"))
scriptEntry.addObject("qty", Element.valueOf("1").setPrefix("qty"));
// Okay!
}
@Override
public void execute(ScriptEntry scriptEntry) throws CommandExecutionException {
// Get objects
dLocation location = (dLocation) scriptEntry.getObject("location");
Element qty = (Element) scriptEntry.getObject("qty");
Element action = (Element) scriptEntry.getObject("action");
dItem item = (dItem) scriptEntry.getObject("item");
dEntity entity = (dEntity) scriptEntry.getObject("entity");
// Report to dB
dB.report(getName(),
action.debug() + location.debug() + qty.debug()
+ (Action.valueOf(action.asString()) == Action.DROP_ITEM ? item.debug() : "")
+ (Action.valueOf(action.asString()) == Action.DROP_ENTITY ? entity.debug() : ""));
// Do the drop
switch (Action.valueOf(action.asString())) {
case DROP_EXP:
((ExperienceOrb) location.getWorld()
.spawnEntity(location, EntityType.EXPERIENCE_ORB))
.setExperience(qty.asInt());
break;
case DROP_ITEM:
if (qty.asInt() > 1 && item.isUnique())
dB.echoDebug("Cannot drop multiples of this item because it is Unique!");
// TODO: Make a dItem specific 'drop/give' to better keep track of it, like dEntity.
for (int x = 0; x < qty.asInt(); x++)
location.getWorld()
.dropItemNaturally(location, item.getItemStack());
break;
case DROP_ENTITY:
if (qty.asInt() > 1 && entity.isUnique())
dB.echoDebug("Cannot drop multiples of this entity because it is Unique!");
for (int x = 0; x < qty.asInt(); x++)
entity.spawnAt(location);
break;
}
// Okay!
}
}