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LookCommand.java
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LookCommand.java
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package com.denizenscript.denizen.scripts.commands.entity;
import com.denizenscript.denizen.Denizen;
import com.denizenscript.denizen.utilities.Utilities;
import com.denizenscript.denizen.utilities.debugging.Debug;
import com.denizenscript.denizen.nms.NMSHandler;
import com.denizenscript.denizen.objects.EntityTag;
import com.denizenscript.denizen.objects.LocationTag;
import com.denizenscript.denizencore.exceptions.InvalidArgumentsException;
import com.denizenscript.denizencore.exceptions.InvalidArgumentsRuntimeException;
import com.denizenscript.denizencore.objects.Argument;
import com.denizenscript.denizencore.objects.core.DurationTag;
import com.denizenscript.denizencore.objects.core.ElementTag;
import com.denizenscript.denizencore.objects.core.ListTag;
import com.denizenscript.denizencore.scripts.ScriptEntry;
import com.denizenscript.denizencore.scripts.commands.AbstractCommand;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.scheduler.BukkitTask;
import java.util.HashMap;
import java.util.List;
import java.util.UUID;
public class LookCommand extends AbstractCommand {
public LookCommand() {
setName("look");
setSyntax("look (<entity>|...) [<location>/cancel/yaw:<yaw> pitch:<pitch>] (duration:<duration>)");
setRequiredArguments(1, 4);
isProcedural = false;
}
// <--[command]
// @Name Look
// @Syntax look (<entity>|...) [<location>/cancel/yaw:<yaw> pitch:<pitch>] (duration:<duration>)
// @Required 1
// @Maximum 4
// @Short Causes the NPC or other entity to look at a target location.
// @Synonyms Turn,Face
// @Group entity
//
// @Description
// Makes the entity look towards the location.
//
// You can specify either a target location, or a yaw and pitch.
//
// Can be used on players.
//
// If a duration is set, the entity cannot look away from the location until the duration has expired.
// Use the cancel argument to end the duration earlier.
//
// @Tags
// <LocationTag.yaw>
// <LocationTag.pitch>
//
// @Usage
// Use to point an npc towards a spot.
// - look <npc> <player.location>
//
// @Usage
// Use to force a player to stare at a spot for some time.
// - look <player> <npc.location> duration:10s
// -->
@Override
public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException {
for (Argument arg : scriptEntry) {
if (!scriptEntry.hasObject("location")
&& !scriptEntry.hasObject("cancel")
&& arg.matchesArgumentType(LocationTag.class)) {
scriptEntry.addObject("location", arg.asType(LocationTag.class));
}
else if (!scriptEntry.hasObject("cancel")
&& !scriptEntry.hasObject("location")
&& arg.matches("cancel")) {
scriptEntry.addObject("cancel", new ElementTag("true"));
}
else if (!scriptEntry.hasObject("yaw")
&& arg.matchesPrefix("yaw")
&& arg.matchesFloat()) {
scriptEntry.addObject("yaw", arg.asElement());
}
else if (!scriptEntry.hasObject("pitch")
&& arg.matchesPrefix("pitch")
&& arg.matchesFloat()) {
scriptEntry.addObject("pitch", arg.asElement());
}
else if (!scriptEntry.hasObject("duration")
&& arg.matchesArgumentType(DurationTag.class)
&& arg.matchesPrefix("duration", "d")) {
scriptEntry.addObject("duration", arg.asType(DurationTag.class));
}
else if (!scriptEntry.hasObject("entities")
&& arg.matchesArgumentList(EntityTag.class)) {
scriptEntry.addObject("entities", arg.asType(ListTag.class).filter(EntityTag.class, scriptEntry));
}
else {
arg.reportUnhandled();
}
}
if (!scriptEntry.hasObject("entities")) {
scriptEntry.defaultObject("entities", Utilities.entryDefaultEntityList(scriptEntry, false));
}
if (!scriptEntry.hasObject("location") && !scriptEntry.hasObject("cancel") && !scriptEntry.hasObject("yaw")) {
throw new InvalidArgumentsException("Must specify a location or 'cancel'!");
}
if (!scriptEntry.hasObject("entities")) {
throw new InvalidArgumentsException("Must specify an entity!");
}
}
public static HashMap<UUID, BukkitTask> lookTasks = new HashMap<>();
@Override
public void execute(ScriptEntry scriptEntry) {
final LocationTag loc = scriptEntry.getObjectTag("location");
List<EntityTag> entities = (List<EntityTag>) scriptEntry.getObject("entities");
if (entities == null) {
throw new InvalidArgumentsRuntimeException("Missing entity target input");
}
final DurationTag duration = scriptEntry.getObjectTag("duration");
ElementTag yaw = scriptEntry.getElement("yaw");
ElementTag pitch = scriptEntry.getElement("pitch");
ElementTag cancel = scriptEntry.getElement("cancel");
if (scriptEntry.dbCallShouldDebug()) {
Debug.report(scriptEntry, getName(), cancel, loc, duration, yaw, pitch, db("entities", entities));
}
for (EntityTag entity : entities) {
if (entity.isSpawned()) {
BukkitTask task = lookTasks.remove(entity.getUUID());
if (task != null) {
task.cancel();
}
}
}
if (cancel != null && cancel.asBoolean()) {
return;
}
final float yawRaw = yaw == null ? 0 : yaw.asFloat();
final float pitchRaw = pitch == null ? 0 : pitch.asFloat();
for (EntityTag entity : entities) {
if (entity.isSpawned()) {
if (loc != null) {
NMSHandler.entityHelper.faceLocation(entity.getBukkitEntity(), loc);
}
else {
NMSHandler.entityHelper.rotate(entity.getBukkitEntity(), yawRaw, pitchRaw);
}
}
}
if (duration != null && duration.getTicks() > 2) {
for (EntityTag entity : entities) {
BukkitRunnable task = new BukkitRunnable() {
long bounces = 0;
public void run() {
bounces += 2;
if (bounces > duration.getTicks()) {
this.cancel();
lookTasks.remove(entity.getUUID());
return;
}
if (entity.isSpawned()) {
if (loc != null) {
NMSHandler.entityHelper.faceLocation(entity.getBukkitEntity(), loc);
}
else {
NMSHandler.entityHelper.rotate(entity.getBukkitEntity(), yawRaw, pitchRaw);
}
}
}
};
BukkitTask newTask = task.runTaskTimer(Denizen.getInstance(), 0, 2);
lookTasks.put(entity.getUUID(), newTask);
}
}
}
}