/
EntityHelperImpl.java
616 lines (552 loc) · 24.4 KB
/
EntityHelperImpl.java
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package com.denizenscript.denizen.nms.v1_16.helpers;
import com.denizenscript.denizen.Denizen;
import com.denizenscript.denizen.nms.NMSHandler;
import com.denizenscript.denizencore.utilities.ReflectionHelper;
import com.denizenscript.denizen.nms.v1_16.impl.jnbt.CompoundTagImpl;
import com.denizenscript.denizen.nms.interfaces.EntityHelper;
import com.denizenscript.denizen.nms.util.BoundingBox;
import com.denizenscript.denizen.nms.util.jnbt.CompoundTag;
import com.denizenscript.denizen.utilities.DenizenAPI;
import com.denizenscript.denizen.utilities.Utilities;
import com.denizenscript.denizen.utilities.debugging.Debug;
import net.minecraft.server.v1_16_R3.*;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.attribute.Attribute;
import org.bukkit.attribute.AttributeInstance;
import org.bukkit.block.BlockFace;
import org.bukkit.craftbukkit.v1_16_R3.CraftWorld;
import org.bukkit.craftbukkit.v1_16_R3.block.CraftBlock;
import org.bukkit.craftbukkit.v1_16_R3.entity.*;
import org.bukkit.craftbukkit.v1_16_R3.inventory.CraftItemStack;
import org.bukkit.entity.*;
import org.bukkit.entity.Entity;
import org.bukkit.event.entity.EntityTargetEvent;
import org.bukkit.event.player.PlayerFishEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.scheduler.BukkitTask;
import org.bukkit.util.Vector;
import java.lang.invoke.MethodHandle;
import java.lang.reflect.Field;
import java.util.*;
public class EntityHelperImpl extends EntityHelper {
public static final Field RECIPE_BOOK_DISCOVERED_SET = ReflectionHelper.getFields(RecipeBook.class).get("recipes");
public static final MethodHandle ENTITY_SETPOSE = ReflectionHelper.getMethodHandle(net.minecraft.server.v1_16_R3.Entity.class, "setPose", EntityPose.class);
public static final MethodHandle ENTITY_ONGROUND_SETTER = ReflectionHelper.getFinalSetter(net.minecraft.server.v1_16_R3.Entity.class, "onGround");
@Override
public double getAbsorption(LivingEntity entity) {
return entity.getAbsorptionAmount();
}
@Override
public void setAbsorption(LivingEntity entity, double value) {
entity.setAbsorptionAmount(value);
}
@Override
public void setSneaking(Player player, boolean sneak) {
player.setSneaking(sneak);
EntityPose pose = sneak ? EntityPose.CROUCHING : EntityPose.STANDING;
try {
ENTITY_SETPOSE.invoke(((CraftPlayer) player).getHandle(), pose);
}
catch (Throwable ex) {
Debug.echoError(ex);
}
}
@Override
public double getDamageTo(LivingEntity attacker, Entity target) {
EnumMonsterType monsterType;
if (target instanceof LivingEntity) {
monsterType = ((CraftLivingEntity) target).getHandle().getMonsterType();
}
else {
monsterType = EnumMonsterType.UNDEFINED;
}
double damage = 0;
AttributeInstance attrib = attacker.getAttribute(Attribute.GENERIC_ATTACK_DAMAGE);
if (attrib != null) {
damage = attrib.getValue();
}
if (attacker.getEquipment() != null && attacker.getEquipment().getItemInMainHand() != null) {
damage += EnchantmentManager.a(CraftItemStack.asNMSCopy(attacker.getEquipment().getItemInMainHand()), monsterType);
}
if (damage <= 0) {
return 0;
}
if (target != null) {
DamageSource source;
if (attacker instanceof Player) {
source = DamageSource.playerAttack(((CraftPlayer) attacker).getHandle());
}
else {
source = DamageSource.mobAttack(((CraftLivingEntity) attacker).getHandle());
}
net.minecraft.server.v1_16_R3.Entity nmsTarget = ((CraftEntity) target).getHandle();
if (nmsTarget.isInvulnerable(source)) {
return 0;
}
if (!(nmsTarget instanceof EntityLiving)) {
return damage;
}
EntityLiving livingTarget = (EntityLiving) nmsTarget;
damage = CombatMath.a((float) damage, (float) livingTarget.getArmorStrength(), (float) livingTarget.getAttributeInstance(GenericAttributes.ARMOR_TOUGHNESS).getValue());
int enchantDamageModifier = EnchantmentManager.a(livingTarget.getArmorItems(), source);
if (enchantDamageModifier > 0) {
damage = CombatMath.a((float) damage, (float) enchantDamageModifier);
}
}
return damage;
}
@Override
public String getRawHoverText(Entity entity) {
throw new UnsupportedOperationException();
}
public List<String> getDiscoveredRecipes(Player player) {
try {
RecipeBookServer book = ((CraftPlayer) player).getHandle().getRecipeBook();
Set<MinecraftKey> set = (Set<MinecraftKey>) RECIPE_BOOK_DISCOVERED_SET.get(book);
List<String> output = new ArrayList<>();
for (MinecraftKey key : set) {
output.add(key.toString());
}
return output;
}
catch (Throwable ex) {
Debug.echoError(ex);
}
return null;
}
@Override
public String getArrowPickupStatus(Entity entity) {
return ((Arrow) entity).getPickupStatus().name();
}
@Override
public void setArrowPickupStatus(Entity entity, String status) {
((Arrow) entity).setPickupStatus(AbstractArrow.PickupStatus.valueOf(status));
}
@Override
public double getArrowDamage(Entity arrow) {
return ((Arrow) arrow).getDamage();
}
@Override
public void setArrowDamage(Entity arrow, double damage) {
((Arrow) arrow).setDamage(damage);
}
@Override
public void setCarriedItem(Enderman entity, ItemStack item) {
entity.setCarriedBlock(Bukkit.createBlockData(item.getType()));
}
@Override
public void setRiptide(Entity entity, boolean state) {
((CraftLivingEntity) entity).getHandle().r(state ? 0 : 1);
}
@Override
public int getBodyArrows(Entity entity) {
return ((CraftLivingEntity) entity).getHandle().getArrowCount();
}
@Override
public void setBodyArrows(Entity entity, int numArrows) {
((CraftLivingEntity) entity).getHandle().setArrowCount(numArrows);
}
@Override
public Entity getFishHook(PlayerFishEvent event) {
return event.getHook();
}
@Override
public ItemStack getItemFromTrident(Entity entity) {
return CraftItemStack.asBukkitCopy(((CraftTrident) entity).getHandle().trident);
}
@Override
public void setItemForTrident(Entity entity, ItemStack item) {
((CraftTrident) entity).getHandle().trident = CraftItemStack.asNMSCopy(item);
}
@Override
public void forceInteraction(Player player, Location location) {
CraftPlayer craftPlayer = (CraftPlayer) player;
BlockPosition pos = new BlockPosition(location.getBlockX(), location.getBlockY(), location.getBlockZ());
((CraftBlock) location.getBlock()).getNMS().interact(((CraftWorld) location.getWorld()).getHandle(),
craftPlayer != null ? craftPlayer.getHandle() : null, EnumHand.MAIN_HAND,
new MovingObjectPositionBlock(new Vec3D(0, 0, 0), null, pos, false));
}
@Override
public Entity getEntity(World world, UUID uuid) {
net.minecraft.server.v1_16_R3.Entity entity = ((CraftWorld) world).getHandle().getEntity(uuid);
return entity == null ? null : entity.getBukkitEntity();
}
@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().a_(compound);
return CompoundTagImpl.fromNMSTag(compound);
}
@Override
public void setNbtData(Entity entity, CompoundTag compoundTag) {
((CraftEntity) entity).getHandle().load(((CompoundTagImpl) compoundTag).toNMSTag());
}
/*
Entity Movement
*/
private final static Map<UUID, BukkitTask> followTasks = new HashMap<>();
@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_16_R3.Entity nmsEntity = ((CraftEntity) entity).getHandle();
if (!(nmsEntity instanceof EntityInsentient)) {
return;
}
((EntityInsentient) nmsEntity).getNavigation().o();
}
@Override
public double getSpeed(Entity entity) {
net.minecraft.server.v1_16_R3.Entity nmsEntityEntity = ((CraftEntity) entity).getHandle();
if (!(nmsEntityEntity instanceof EntityInsentient)) {
return 0.0;
}
EntityInsentient nmsEntity = (EntityInsentient) nmsEntityEntity;
return nmsEntity.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).getBaseValue();
}
@Override
public void setSpeed(Entity entity, double speed) {
net.minecraft.server.v1_16_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_16_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(), 0);
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(), 0);
if (path != null) {
followerNavigation.a(path, 1D);
followerNavigation.a(2D);
}
}
else {
inRadius = true;
}
if (inRadius && !allowWander) {
followerNavigation.o();
}
nmsFollower.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).setValue(speed);
}
}.runTaskTimer(NMSHandler.getJavaPlugin(), 0, 10));
}
@Override
public void walkTo(final LivingEntity entity, Location location, double speed, final Runnable callback) {
if (entity == null || location == null) {
return;
}
net.minecraft.server.v1_16_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 = !entity.hasAI();
if (aiDisabled) {
entity.setAI(true);
try {
ENTITY_ONGROUND_SETTER.invoke(nmsEntity, true);
}
catch (Throwable ex) {
Debug.echoError(ex);
}
}
path = entityNavigation.a(location.getX(), location.getY(), location.getZ(), 0);
if (path != null) {
entityNavigation.a(path, 1D);
entityNavigation.a(2D);
final double oldSpeed = nmsEntity.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).getBaseValue();
nmsEntity.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).setValue(speed);
new BukkitRunnable() {
@Override
public void run() {
if (!entity.isValid()) {
if (callback != null) {
callback.run();
}
cancel();
return;
}
if (aiDisabled && entity instanceof Wolf) {
((Wolf) entity).setAngry(false);
}
if (entityNavigation.n() || path.b()) {
if (callback != null) {
callback.run();
}
nmsEntity.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).setValue(oldSpeed);
if (aiDisabled) {
entity.setAI(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);
}
}
@Override
public List<Player> getPlayersThatSee(Entity entity) {
PlayerChunkMap tracker = ((WorldServer) ((CraftEntity) entity).getHandle().world).getChunkProvider().playerChunkMap;
PlayerChunkMap.EntityTracker entityTracker = tracker.trackedEntities.get(entity.getEntityId());
ArrayList<Player> output = new ArrayList<>();
if (entityTracker == null) {
return output;
}
for (EntityPlayer player : entityTracker.trackedPlayers) {
output.add(player.getBukkitEntity());
}
return output;
}
/*
Hide Entity
*/
@Override
public void sendHidePacket(Player pl, Entity entity) {
if (entity instanceof Player) {
ensurePlayerHiding();
pl.hidePlayer(DenizenAPI.getCurrentInstance(), (Player) entity);
return;
}
CraftPlayer craftPlayer = (CraftPlayer) pl;
EntityPlayer entityPlayer = craftPlayer.getHandle();
if (entityPlayer.playerConnection != null && !craftPlayer.equals(entity)) {
PlayerChunkMap tracker = ((WorldServer) craftPlayer.getHandle().world).getChunkProvider().playerChunkMap;
net.minecraft.server.v1_16_R3.Entity other = ((CraftEntity) entity).getHandle();
PlayerChunkMap.EntityTracker entry = tracker.trackedEntities.get(other.getId());
if (entry != null) {
entry.clear(entityPlayer);
}
if (Denizen.supportsPaper) { // Workaround for Paper issue
entityPlayer.playerConnection.sendPacket(new PacketPlayOutEntityDestroy(other.getId()));
}
}
}
@Override
public void sendShowPacket(Player pl, Entity entity) {
if (entity instanceof Player) {
pl.showPlayer(DenizenAPI.getCurrentInstance(), (Player) entity);
return;
}
CraftPlayer craftPlayer = (CraftPlayer) pl;
EntityPlayer entityPlayer = craftPlayer.getHandle();
if (entityPlayer.playerConnection != null && !craftPlayer.equals(entity)) {
PlayerChunkMap tracker = ((WorldServer) craftPlayer.getHandle().world).getChunkProvider().playerChunkMap;
net.minecraft.server.v1_16_R3.Entity other = ((CraftEntity) entity).getHandle();
PlayerChunkMap.EntityTracker entry = tracker.trackedEntities.get(other.getId());
if (entry != null) {
entry.clear(entityPlayer);
entry.updatePlayer(entityPlayer);
}
}
}
@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_16_R3.Entity handle = ((CraftEntity) entity).getHandle();
handle.yaw = yaw;
handle.pitch = pitch;
}
}
@Override
public float getBaseYaw(Entity entity) {
net.minecraft.server.v1_16_R3.Entity handle = ((CraftEntity) entity).getHandle();
return ((EntityLiving) handle).aD;
}
@Override
public void look(Entity entity, float yaw, float pitch) {
net.minecraft.server.v1_16_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.aD = yaw;
if (!(handle instanceof EntityHuman)) {
livingHandle.aC = yaw;
}
livingHandle.aE = yaw;
}
handle.pitch = pitch;
}
}
private static MovingObjectPosition rayTrace(World world, Vector start, Vector end) {
try {
NMSHandler.getChunkHelper().changeChunkServerThread(world);
return ((CraftWorld) world).getHandle().rayTrace(new RayTrace(new Vec3D(start.getX(), start.getY(), start.getZ()),
new Vec3D(end.getX(), end.getY(), end.getZ()),
// TODO: 1.14 - check if these collision options are reasonable (maybe provide the options for this method?)
RayTrace.BlockCollisionOption.OUTLINE, RayTrace.FluidCollisionOption.NONE, null));
}
finally {
NMSHandler.getChunkHelper().restoreServerThread(world);
}
}
@Override
public boolean canTrace(World world, Vector start, Vector end) {
MovingObjectPosition pos = rayTrace(world, start, end);
if (pos == null) {
return true;
}
return pos.getType() == MovingObjectPosition.EnumMovingObjectType.MISS;
}
@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 instanceof MovingObjectPositionBlock) || l.getPos() == null) {
return null;
}
Vector finalVec = new Vector(l.getPos().x, l.getPos().y, l.getPos().z);
MapTraceResult mtr = new MapTraceResult();
switch (((MovingObjectPositionBlock) l).getDirection()) {
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 void move(Entity entity, Vector vector) {
((CraftEntity) entity).getHandle().move(EnumMoveType.SELF, new Vec3D(vector.getX(), vector.getY(), vector.getZ()));
}
@Override
public void teleport(Entity entity, Vector vector) {
((CraftEntity) entity).getHandle().setPosition(vector.getX(), vector.getY(), vector.getZ());
}
@Override
public BoundingBox getBoundingBox(Entity entity) {
AxisAlignedBB boundingBox = ((CraftEntity) entity).getHandle().getBoundingBox();
Vector position = new Vector(boundingBox.minX, boundingBox.minY, boundingBox.minZ);
Vector size = new Vector(boundingBox.maxX, boundingBox.maxY, boundingBox.maxZ);
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 ChestedHorse;
}
@Override
public boolean isCarryingChest(Entity horse) {
return horse instanceof ChestedHorse && ((ChestedHorse) horse).isCarryingChest();
}
@Override
public void setCarryingChest(Entity horse, boolean carrying) {
if (horse instanceof ChestedHorse) {
((ChestedHorse) horse).setCarryingChest(carrying);
}
}
@Override
public void setTicksLived(Entity entity, int ticks) {
// Bypass Spigot's must-be-at-least-1-tick requirement, as negative tick counts are useful
((CraftEntity) entity).getHandle().ticksLived = ticks;
if (entity instanceof CraftFallingBlock) {
((CraftFallingBlock) entity).getHandle().ticksLived = ticks;
}
}
}