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EntityHelper_v1_8_R3.java
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EntityHelper_v1_8_R3.java
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package net.aufdemrand.denizen.nms.helpers;
import net.aufdemrand.denizen.nms.NMSHandler;
import net.aufdemrand.denizen.nms.impl.jnbt.CompoundTag_v1_8_R3;
import net.aufdemrand.denizen.nms.interfaces.EntityHelper;
import net.aufdemrand.denizen.nms.util.BoundingBox;
import net.aufdemrand.denizen.nms.util.Utilities;
import net.aufdemrand.denizen.nms.util.jnbt.CompoundTag;
import net.minecraft.server.v1_8_R3.*;
import org.bukkit.*;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.block.BlockFace;
import org.bukkit.craftbukkit.v1_8_R3.CraftWorld;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftAnimals;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftCreature;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftEntity;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftLivingEntity;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer;
import org.bukkit.entity.*;
import org.bukkit.entity.Entity;
import org.bukkit.event.entity.EntityTargetEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.scheduler.BukkitTask;
import org.bukkit.util.Vector;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
public class EntityHelper_v1_8_R3 implements EntityHelper {
/*
General Entity Methods
*/
@Override
public void forceInteraction(Player player, Location location) {
CraftPlayer craftPlayer = (CraftPlayer) player;
BlockPosition pos = new BlockPosition(location.getBlockX(), location.getBlockY(), location.getBlockZ());
Block.getById(location.getBlock().getType().getId())
.interact(((CraftWorld) location.getWorld()).getHandle(), pos,
((CraftWorld) location.getWorld()).getHandle().getType(pos),
craftPlayer != null ? craftPlayer.getHandle() : null, EnumDirection.NORTH, 0f, 0f, 0f);
}
@Override
public Entity getEntity(World world, UUID uuid) {
net.minecraft.server.v1_8_R3.Entity entity = ((CraftWorld) world).getHandle().getEntity(uuid);
return entity == null ? null : entity.getBukkitEntity();
}
@Override
public boolean isBreeding(Animals entity) {
return ((CraftAnimals) entity).getHandle().isInLove();
}
@Override
public void setBreeding(Animals entity, boolean breeding) {
if (breeding) {
((CraftAnimals) entity).getHandle().c((EntityHuman) null);
}
else {
((CraftAnimals) entity).getHandle().cs();
}
}
@Override
public void setTarget(Creature entity, LivingEntity target) {
EntityLiving nmsTarget = target != null ? ((CraftLivingEntity) target).getHandle() : null;
((CraftCreature) entity).getHandle().setGoalTarget(nmsTarget, EntityTargetEvent.TargetReason.CUSTOM, true);
entity.setTarget(target);
}
@Override
public CompoundTag getNbtData(Entity entity) {
NBTTagCompound compound = new NBTTagCompound();
((CraftEntity) entity).getHandle().c(compound);
return CompoundTag_v1_8_R3.fromNMSTag(compound);
}
@Override
public void setNbtData(Entity entity, CompoundTag compoundTag) {
((CraftEntity) entity).getHandle().f(((CompoundTag_v1_8_R3) compoundTag).toNMSTag());
}
@Override
public void setSilent(Entity entity, boolean silent) {
((CraftEntity) entity).getHandle().b(silent);
}
@Override
public boolean isSilent(Entity entity) {
return ((CraftEntity) entity).getHandle().R();
}
@Override
public ItemStack getItemInHand(LivingEntity entity) {
return entity.getEquipment().getItemInHand();
}
@Override
public void setItemInHand(LivingEntity entity, ItemStack itemStack) {
entity.getEquipment().setItemInHand(itemStack);
}
@Override
public ItemStack getItemInOffHand(LivingEntity entity) {
return new ItemStack(Material.AIR);
}
@Override
public void setItemInOffHand(LivingEntity entity, ItemStack itemStack) {
// nope
}
/*
Entity Movement
*/
private final static Map<UUID, BukkitTask> followTasks = new HashMap<UUID, BukkitTask>();
@Override
public void stopFollowing(Entity follower) {
if (follower == null) {
return;
}
UUID uuid = follower.getUniqueId();
if (followTasks.containsKey(uuid)) {
followTasks.get(uuid).cancel();
}
}
@Override
public void stopWalking(Entity entity) {
net.minecraft.server.v1_8_R3.Entity nmsEntity = ((CraftEntity) entity).getHandle();
if (!(nmsEntity instanceof EntityInsentient)) {
return;
}
((EntityInsentient) nmsEntity).getNavigation().n();
}
@Override
public void toggleAI(Entity entity, boolean hasAI) {
net.minecraft.server.v1_8_R3.Entity nmsEntity = ((CraftEntity) entity).getHandle();
if (!(nmsEntity instanceof EntityInsentient)) {
return;
}
((EntityInsentient) nmsEntity).k(!hasAI);
}
@Override
public boolean isAIDisabled(Entity entity) {
net.minecraft.server.v1_8_R3.Entity nmsEntity = ((CraftEntity) entity).getHandle();
if (!(nmsEntity instanceof EntityInsentient)) {
return true;
}
return ((EntityInsentient) nmsEntity).ce();
}
@Override
public double getSpeed(Entity entity) {
net.minecraft.server.v1_8_R3.Entity nmsEntityEntity = ((CraftEntity) entity).getHandle();
if (!(nmsEntityEntity instanceof EntityInsentient)) {
return 0.0;
}
EntityInsentient nmsEntity = (EntityInsentient) nmsEntityEntity;
return nmsEntity.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).b();
}
@Override
public void setSpeed(Entity entity, double speed) {
net.minecraft.server.v1_8_R3.Entity nmsEntityEntity = ((CraftEntity) entity).getHandle();
if (!(nmsEntityEntity instanceof EntityInsentient)) {
return;
}
EntityInsentient nmsEntity = (EntityInsentient) nmsEntityEntity;
nmsEntity.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).setValue(speed);
}
@Override
public void follow(final Entity target, final Entity follower, final double speed, final double lead,
final double maxRange, final boolean allowWander) {
if (target == null || follower == null) {
return;
}
final net.minecraft.server.v1_8_R3.Entity nmsEntityFollower = ((CraftEntity) follower).getHandle();
if (!(nmsEntityFollower instanceof EntityInsentient)) {
return;
}
final EntityInsentient nmsFollower = (EntityInsentient) nmsEntityFollower;
final NavigationAbstract followerNavigation = nmsFollower.getNavigation();
UUID uuid = follower.getUniqueId();
if (followTasks.containsKey(uuid)) {
followTasks.get(uuid).cancel();
}
final int locationNearInt = (int) Math.floor(lead);
final boolean hasMax = maxRange > lead;
followTasks.put(follower.getUniqueId(), new BukkitRunnable() {
private boolean inRadius = false;
public void run() {
if (!target.isValid() || !follower.isValid()) {
this.cancel();
}
followerNavigation.a(2F);
Location targetLocation = target.getLocation();
PathEntity path;
if (hasMax && !Utilities.checkLocation(targetLocation, follower.getLocation(), maxRange)
&& !target.isDead() && target.isOnGround()) {
if (!inRadius) {
follower.teleport(Utilities.getWalkableLocationNear(targetLocation, locationNearInt));
}
else {
inRadius = false;
path = followerNavigation.a(targetLocation.getX(), targetLocation.getY(), targetLocation.getZ());
if (path != null) {
followerNavigation.a(path, 1D);
followerNavigation.a(2D);
}
}
}
else if (!inRadius && !Utilities.checkLocation(targetLocation, follower.getLocation(), lead)) {
path = followerNavigation.a(targetLocation.getX(), targetLocation.getY(), targetLocation.getZ());
if (path != null) {
followerNavigation.a(path, 1D);
followerNavigation.a(2D);
}
}
else {
inRadius = true;
}
if (inRadius && !allowWander) {
followerNavigation.n();
}
nmsFollower.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).setValue(speed);
}
}.runTaskTimer(NMSHandler.getJavaPlugin(), 0, 10));
}
@Override
public void walkTo(final Entity entity, Location location, double speed, final Runnable callback) {
if (entity == null || location == null) {
return;
}
net.minecraft.server.v1_8_R3.Entity nmsEntityEntity = ((CraftEntity) entity).getHandle();
if (!(nmsEntityEntity instanceof EntityInsentient)) {
return;
}
final EntityInsentient nmsEntity = (EntityInsentient) nmsEntityEntity;
final NavigationAbstract entityNavigation = nmsEntity.getNavigation();
final PathEntity path;
final boolean aiDisabled = isAIDisabled(entity);
if (aiDisabled) {
toggleAI(entity, true);
nmsEntity.onGround = true;
}
path = entityNavigation.a(location.getX(), location.getY(), location.getZ());
if (path != null) {
entityNavigation.a(path, 1D);
entityNavigation.a(2D);
final double oldSpeed = nmsEntity.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).b();
nmsEntity.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).setValue(speed);
new BukkitRunnable() {
@Override
public void run() {
if (entityNavigation.m() || path.b()) {
if (callback != null) {
callback.run();
}
nmsEntity.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).setValue(oldSpeed);
if (aiDisabled) {
toggleAI(entity, false);
}
cancel();
}
}
}.runTaskTimer(NMSHandler.getJavaPlugin(), 1, 1);
}
//if (!Utilities.checkLocation(location, entity.getLocation(), 20)) {
// TODO: generate waypoints to the target location?
else {
entity.teleport(location);
}
}
/*
Hide Entity
*/
public static Map<UUID, Set<UUID>> hiddenEntities = new HashMap<UUID, Set<UUID>>();
@Override
public void hideEntity(Player player, Entity entity, boolean keepInTabList) {
// Use Bukkit API for Player entities
if (entity instanceof Player) {
player.hidePlayer((Player) entity);
return;
}
CraftPlayer craftPlayer = (CraftPlayer)player;
EntityPlayer entityPlayer = craftPlayer.getHandle();
UUID playerUUID = player.getUniqueId();
if (entityPlayer.playerConnection != null && !craftPlayer.equals(entity)) {
if (!hiddenEntities.containsKey(playerUUID)) {
hiddenEntities.put(playerUUID, new HashSet<UUID>());
}
Set hidden = hiddenEntities.get(playerUUID);
UUID entityUUID = entity.getUniqueId();
if (!hidden.contains(entityUUID)) {
hidden.add(entityUUID);
EntityTracker tracker = ((WorldServer)craftPlayer.getHandle().world).tracker;
net.minecraft.server.v1_8_R3.Entity other = ((CraftEntity)entity).getHandle();
EntityTrackerEntry entry = tracker.trackedEntities.get(other.getId());
if (entry != null) {
entry.clear(entityPlayer);
}
}
}
}
@Override
public void unhideEntity(Player player, Entity entity) {
// Use Bukkit API for Player entities
if (entity instanceof Player) {
player.showPlayer((Player) entity);
return;
}
CraftPlayer craftPlayer = (CraftPlayer)player;
EntityPlayer entityPlayer = craftPlayer.getHandle();
UUID playerUUID = player.getUniqueId();
if (entityPlayer.playerConnection != null && !craftPlayer.equals(entity)) {
UUID entityUUID = entity.getUniqueId();
if (hiddenEntities.containsKey(playerUUID)) {
Set hidden = hiddenEntities.get(playerUUID);
if (hidden.contains(entityUUID)) {
hidden.remove(entityUUID);
}
}
EntityTracker tracker = ((WorldServer)craftPlayer.getHandle().world).tracker;
net.minecraft.server.v1_8_R3.Entity other = ((CraftEntity)entity).getHandle();
EntityTrackerEntry entry = tracker.trackedEntities.get(other.getId());
if (entry != null) {
entry.clear(entityPlayer);
entry.updatePlayer(entityPlayer);
}
}
}
@Override
public boolean isHidden(Player player, Entity entity) {
if (entity instanceof Player) {
return !player.canSee((Player) entity);
}
UUID uuid = player.getUniqueId();
Set<UUID> hiding = hiddenEntities.get(uuid);
return hiding != null && hiding.contains(entity.getUniqueId());
}
@Override
public void rotate(Entity entity, float yaw, float pitch) {
// If this entity is a real player instead of a player type NPC,
// it will appear to be online
if (entity instanceof Player && ((Player) entity).isOnline()) {
Location location = entity.getLocation();
location.setYaw(yaw);
location.setPitch(pitch);
entity.teleport(location);
}
else if (entity instanceof LivingEntity) {
if (entity instanceof EnderDragon) {
yaw = normalizeYaw(yaw - 180);
}
look(entity, yaw, pitch);
}
else {
net.minecraft.server.v1_8_R3.Entity handle = ((CraftEntity) entity).getHandle();
handle.yaw = yaw;
handle.pitch = pitch;
}
}
@Override
public float getBaseYaw(Entity entity) {
net.minecraft.server.v1_8_R3.Entity handle = ((CraftEntity) entity).getHandle();
return ((EntityLiving) handle).aK;
}
@Override
public void look(Entity entity, float yaw, float pitch) {
net.minecraft.server.v1_8_R3.Entity handle = ((CraftEntity) entity).getHandle();
if (handle != null) {
handle.yaw = yaw;
if (handle instanceof EntityLiving) {
EntityLiving livingHandle = (EntityLiving) handle;
while (yaw < -180.0F) {
yaw += 360.0F;
}
while (yaw >= 180.0F) {
yaw -= 360.0F;
}
livingHandle.aK = yaw;
if (!(handle instanceof EntityHuman)) {
livingHandle.aI = yaw;
}
livingHandle.aL = yaw;
}
handle.pitch = pitch;
}
}
private static MovingObjectPosition rayTrace(World world, Vector start, Vector end) {
return ((CraftWorld) world).getHandle().rayTrace(new Vec3D(start.getX(), start.getY(), start.getZ()),
new Vec3D(end.getX(), end.getY(), end.getZ()));
}
@Override
public boolean canTrace(World world, Vector start, Vector end) {
return rayTrace(world, start, end) == null;
}
@Override
public MapTraceResult mapTrace(LivingEntity from, double range) {
Location start = from.getEyeLocation();
Vector startVec = start.toVector();
double xzLen = Math.cos((start.getPitch() % 360) * (Math.PI / 180));
double nx = xzLen * Math.sin(-start.getYaw() * (Math.PI / 180));
double ny = Math.sin(start.getPitch() * (Math.PI / 180));
double nz = xzLen * Math.cos(start.getYaw() * (Math.PI / 180));
Vector endVec = startVec.clone().add(new Vector(nx, -ny, nz).multiply(range));
MovingObjectPosition l = rayTrace(start.getWorld(), startVec, endVec);
if (l == null || l.pos == null) {
return null;
}
Vector finalVec = new Vector(l.pos.a, l.pos.b, l.pos.c);
MapTraceResult mtr = new MapTraceResult();
switch (l.direction) {
case NORTH:
mtr.angle = BlockFace.NORTH;
break;
case SOUTH:
mtr.angle = BlockFace.SOUTH;
break;
case EAST:
mtr.angle = BlockFace.EAST;
break;
case WEST:
mtr.angle = BlockFace.WEST;
break;
}
// wallPosition - ((end - start).normalize() * 0.072)
Vector hit = finalVec.clone().subtract((endVec.clone().subtract(startVec)).normalize().multiply(0.072));
mtr.hitLocation = new Location(start.getWorld(), hit.getX(), hit.getY(), hit.getZ());
return mtr;
}
@Override
public Location rayTrace(Location start, Vector direction, double range) {
Vector startVec = start.toVector();
MovingObjectPosition l = rayTrace(start.getWorld(), startVec, startVec.clone().add(direction.multiply(range)));
if (l != null && l.pos != null) {
return new Location(start.getWorld(), l.pos.a, l.pos.b, l.pos.c);
}
return null;
}
@Override
public Location getImpactNormal(Location start, Vector direction, double range) {
Vector startVec = start.toVector();
MovingObjectPosition l = rayTrace(start.getWorld(), startVec, startVec.clone().add(direction.multiply(range)));
if (l != null && l.direction != null) {
return new Location(start.getWorld(), l.direction.getAdjacentX(), l.direction.getAdjacentY(), l.direction.getAdjacentZ());
}
return null;
}
@Override
public Location eyeTrace(LivingEntity from, double range) {
Location start = from.getEyeLocation();
double xzLen = Math.cos((start.getPitch() % 360) * (Math.PI / 180));
double nx = xzLen * Math.sin(-start.getYaw() * (Math.PI / 180));
double ny = Math.sin(start.getPitch() * (Math.PI / 180));
double nz = xzLen * Math.cos(start.getYaw() * (Math.PI / 180));
return rayTrace(start, new Vector(nx, -ny, nz), range);
}
@Override
public Location faceLocation(Location from, Location at) {
Vector direction = from.toVector().subtract(at.toVector()).normalize();
Location newLocation = from.clone();
newLocation.setYaw(180 - (float) Math.toDegrees(Math.atan2(direction.getX(), direction.getZ())));
newLocation.setPitch(90 - (float) Math.toDegrees(Math.acos(direction.getY())));
return newLocation;
}
@Override
public void faceLocation(Entity from, Location at) {
if (from.getWorld() != at.getWorld()) {
return;
}
Location origin = from instanceof LivingEntity ? ((LivingEntity) from).getEyeLocation()
: from.getLocation().getBlock().getLocation().add(0.5, 0.5, 0.5);
Location rotated = faceLocation(origin, at);
rotate(from, rotated.getYaw(), rotated.getPitch());
}
@Override
public void faceEntity(Entity entity, Entity target) {
faceLocation(entity, target.getLocation());
}
@Override
public boolean isFacingLocation(Location from, Location at, float degreeLimit) {
double currentYaw = normalizeYaw(from.getYaw());
double requiredYaw = normalizeYaw(getYaw(at.toVector().subtract(
from.toVector()).normalize()));
return (Math.abs(requiredYaw - currentYaw) < degreeLimit ||
Math.abs(requiredYaw + 360 - currentYaw) < degreeLimit ||
Math.abs(currentYaw + 360 - requiredYaw) < degreeLimit);
}
@Override
public boolean isFacingLocation(Entity from, Location at, float degreeLimit) {
return isFacingLocation(from.getLocation(), at, degreeLimit);
}
@Override
public boolean isFacingEntity(Entity from, Entity at, float degreeLimit) {
return isFacingLocation(from.getLocation(), at.getLocation(), degreeLimit);
}
@Override
public float normalizeYaw(float yaw) {
yaw = yaw % 360;
if (yaw < 0) {
yaw += 360.0;
}
return yaw;
}
@Override
public float getYaw(Vector vector) {
double dx = vector.getX();
double dz = vector.getZ();
double yaw = 0;
// Set yaw
if (dx != 0) {
// Set yaw start value based on dx
if (dx < 0) {
yaw = 1.5 * Math.PI;
}
else {
yaw = 0.5 * Math.PI;
}
yaw -= Math.atan(dz / dx);
}
else if (dz < 0) {
yaw = Math.PI;
}
return (float) (-yaw * 180 / Math.PI);
}
@Override
public String getCardinal(float yaw) {
yaw = normalizeYaw(yaw);
// Compare yaws, return closest direction.
if (0 <= yaw && yaw < 22.5) {
return "south";
}
else if (22.5 <= yaw && yaw < 67.5) {
return "southwest";
}
else if (67.5 <= yaw && yaw < 112.5) {
return "west";
}
else if (112.5 <= yaw && yaw < 157.5) {
return "northwest";
}
else if (157.5 <= yaw && yaw < 202.5) {
return "north";
}
else if (202.5 <= yaw && yaw < 247.5) {
return "northeast";
}
else if (247.5 <= yaw && yaw < 292.5) {
return "east";
}
else if (292.5 <= yaw && yaw < 337.5) {
return "southeast";
}
else if (337.5 <= yaw && yaw < 360.0) {
return "south";
}
else {
return null;
}
}
@Override
public void move(Entity entity, Vector vector) {
((CraftEntity) entity).getHandle().move(vector.getX(), vector.getY(), vector.getZ());
}
@Override
public BoundingBox getBoundingBox(Entity entity) {
AxisAlignedBB boundingBox = ((CraftEntity) entity).getHandle().getBoundingBox();
Vector position = new Vector(boundingBox.a, boundingBox.b, boundingBox.c);
Vector size = new Vector(boundingBox.d, boundingBox.e, boundingBox.f);
return new BoundingBox(position, size);
}
@Override
public void setBoundingBox(Entity entity, BoundingBox boundingBox) {
Vector low = boundingBox.getLow();
Vector high = boundingBox.getHigh();
((CraftEntity) entity).getHandle().a(new AxisAlignedBB(low.getX(), low.getY(), low.getZ(),
high.getX(), high.getY(), high.getZ()));
}
@Override
public boolean isChestedHorse(Entity horse) {
return horse instanceof Horse;
}
@Override
public boolean isCarryingChest(Entity horse) {
return horse instanceof Horse && ((Horse) horse).isCarryingChest();
}
@Override
public void setCarryingChest(Entity horse, boolean carrying) {
if (horse instanceof Horse) {
((Horse) horse).setCarryingChest(carrying);
}
}
}