package net.aufdemrand.denizen.scripts.commands.npc;
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.dEntity;
import net.aufdemrand.denizen.scripts.ScriptEntry;
import net.aufdemrand.denizen.scripts.commands.AbstractCommand;
import net.aufdemrand.denizen.objects.aH;
import net.aufdemrand.denizen.utilities.debugging.dB;
/**
* Instructs the NPC to follow a player.
*
* @author aufdemrand
*
*/
public class FollowCommand extends AbstractCommand {
@Override
public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException {
// Parse Arguments
for (aH.Argument arg : aH.interpret(scriptEntry.getArguments())) {
if (!scriptEntry.hasObject("stop") &&
arg.matches("STOP"))
scriptEntry.addObject("stop", true);
else if (!scriptEntry.hasObject("lead") &&
arg.matchesPrimitive(aH.PrimitiveType.Double))
scriptEntry.addObject("lead", arg.asElement());
else if (!scriptEntry.hasObject("target") &&
arg.matchesArgumentType(dEntity.class))
scriptEntry.addObject("target", arg.asType(dEntity.class));
else
arg.reportUnhandled();
}
if (!scriptEntry.hasObject("target")) {
if (((BukkitScriptEntryData)scriptEntry.entryData).hasPlayer())
scriptEntry.addObject("target", ((BukkitScriptEntryData)scriptEntry.entryData).getPlayer().getDenizenEntity());
else
throw new InvalidArgumentsException("This command requires a linked player!");
}
if (!((BukkitScriptEntryData)scriptEntry.entryData).hasNPC())
throw new InvalidArgumentsException("This command requires a linked NPC!");
}
@Override
public void execute(ScriptEntry scriptEntry) throws CommandExecutionException {
// Get objects
Boolean stop = (Boolean) scriptEntry.getObject("stop");
Element lead = (Element) scriptEntry.getObject("lead");
dEntity target = (dEntity) scriptEntry.getObject("target");
// Report to dB
dB.report(scriptEntry, getName(),
(((BukkitScriptEntryData)scriptEntry.entryData).getPlayer() != null ? ((BukkitScriptEntryData)scriptEntry.entryData).getPlayer().debug() : "")
+ (stop == null ? aH.debugObj("Action", "FOLLOW")
: aH.debugObj("Action", "STOP"))
+ (lead != null ? aH.debugObj("Lead", lead.toString()) : "")
+ target.debug());
if (lead != null)
((BukkitScriptEntryData)scriptEntry.entryData).getNPC().getNavigator().getLocalParameters().distanceMargin(lead.asDouble());
if (stop != null)
((BukkitScriptEntryData)scriptEntry.entryData).getNPC().getNavigator()
.cancelNavigation();
else
((BukkitScriptEntryData)scriptEntry.entryData).getNPC().getNavigator()
.setTarget(target.getBukkitEntity(), false);
}
}