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EntityHumanNPC.java
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EntityHumanNPC.java
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package net.citizensnpcs.nms.v1_20_R4.entity;
import java.io.IOException;
import java.lang.invoke.MethodHandle;
import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.craftbukkit.v1_20_R4.CraftServer;
import org.bukkit.craftbukkit.v1_20_R4.entity.CraftPlayer;
import org.bukkit.entity.Player;
import org.bukkit.metadata.MetadataValue;
import org.bukkit.plugin.Plugin;
import com.mojang.authlib.GameProfile;
import net.citizensnpcs.api.CitizensAPI;
import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.api.npc.NPC.NPCUpdate;
import net.citizensnpcs.api.trait.trait.Inventory;
import net.citizensnpcs.api.util.SpigotUtil;
import net.citizensnpcs.nms.v1_20_R4.network.EmptyConnection;
import net.citizensnpcs.nms.v1_20_R4.network.EmptyPacketListener;
import net.citizensnpcs.nms.v1_20_R4.util.EmptyAdvancementDataPlayer;
import net.citizensnpcs.nms.v1_20_R4.util.EmptyServerStatsCounter;
import net.citizensnpcs.nms.v1_20_R4.util.MobAI;
import net.citizensnpcs.nms.v1_20_R4.util.MobAI.ForwardingMobAI;
import net.citizensnpcs.nms.v1_20_R4.util.NMSImpl;
import net.citizensnpcs.npc.CitizensNPC;
import net.citizensnpcs.npc.ai.NPCHolder;
import net.citizensnpcs.npc.skin.SkinPacketTracker;
import net.citizensnpcs.npc.skin.SkinnableEntity;
import net.citizensnpcs.trait.EntityPoseTrait;
import net.citizensnpcs.trait.Gravity;
import net.citizensnpcs.trait.SkinTrait;
import net.citizensnpcs.util.NMS;
import net.citizensnpcs.util.Util;
import net.minecraft.core.BlockPos;
import net.minecraft.network.chat.Component;
import net.minecraft.network.chat.MutableComponent;
import net.minecraft.network.chat.contents.PlainTextContents.LiteralContents;
import net.minecraft.network.protocol.PacketFlow;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.level.ClientInformation;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.server.level.ServerPlayerGameMode;
import net.minecraft.server.network.CommonListenerCookie;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.stats.ServerStatsCounter;
import net.minecraft.tags.TagKey;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.level.GameType;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.material.Fluid;
import net.minecraft.world.phys.AABB;
import net.minecraft.world.phys.Vec3;
public class EntityHumanNPC extends ServerPlayer implements NPCHolder, SkinnableEntity, ForwardingMobAI {
private MobAI ai;
private int jumpTicks = 0;
private final CitizensNPC npc;
private boolean setBukkitEntity;
private final SkinPacketTracker skinTracker;
private EmptyServerStatsCounter statsCache;
public EntityHumanNPC(MinecraftServer minecraftServer, ServerLevel world, GameProfile gameProfile,
ClientInformation ci, NPC npc) {
super(minecraftServer, world, gameProfile, ci);
this.npc = (CitizensNPC) npc;
if (npc != null) {
ai = new BasicMobAI(this);
skinTracker = new SkinPacketTracker(this);
try {
GAMEMODE_SETTING.invoke(gameMode, GameType.SURVIVAL, null);
} catch (Throwable e) {
e.printStackTrace();
}
initialise(minecraftServer, ci);
} else {
skinTracker = null;
}
}
@Override
public boolean causeFallDamage(float f, float f1, DamageSource damagesource) {
if (npc == null || !npc.isFlyable())
return super.causeFallDamage(f, f1, damagesource);
return false;
}
@Override
protected void checkFallDamage(double d0, boolean flag, BlockState iblockdata, BlockPos blockposition) {
if (npc == null || !npc.isFlyable()) {
super.checkFallDamage(d0, flag, iblockdata, blockposition);
}
}
@Override
public void die(DamageSource damagesource) {
// players that die are not normally removed from the world. when the
// NPC dies, we are done with the instance and it should be removed.
if (dead)
return;
super.die(damagesource);
Bukkit.getScheduler().runTaskLater(CitizensAPI.getPlugin(), () -> {
((ServerLevel) level()).removePlayerImmediately(EntityHumanNPC.this, RemovalReason.KILLED);
((ServerLevel) level()).getChunkSource().removeEntity(EntityHumanNPC.this);
}, 15); // give enough time for death and smoke animation
}
@Override
public void doTick() {
if (npc == null) {
super.doTick();
return;
}
super.baseTick();
boolean navigating = npc.getNavigator().isNavigating() || ai.getMoveControl().hasWanted();
if (!navigating && getBukkitEntity() != null
&& (!npc.hasTrait(Gravity.class) || npc.getOrAddTrait(Gravity.class).hasGravity())
&& Util.isLoaded(getBukkitEntity().getLocation())
&& (!npc.isProtected() || SpigotUtil.checkYSafe(getY(), getBukkitEntity().getWorld()))) {
moveWithFallDamage(Vec3.ZERO);
}
Vec3 mot = getDeltaMovement();
if (Math.abs(mot.x) < EPSILON && Math.abs(mot.y) < EPSILON && Math.abs(mot.z) < EPSILON) {
setDeltaMovement(Vec3.ZERO);
}
if (navigating) {
if (!ai.getNavigation().isDone()) {
ai.getNavigation().tick();
}
moveOnCurrentHeading();
}
tickAI();
detectEquipmentUpdatesPublic();
noPhysics = isSpectator();
if (isSpectator()) {
onGround = false;
}
pushEntities();
if (npc.useMinecraftAI()) {
foodData.tick(this);
}
if (npc.data().get(NPC.Metadata.PICKUP_ITEMS, false)) {
if (takeXpDelay > 0) {
--takeXpDelay;
}
AABB axisalignedbb;
if (isPassenger() && !getVehicle().isRemoved()) {
axisalignedbb = getBoundingBox().minmax(this.getVehicle().getBoundingBox()).inflate(1.0, 0.0, 1.0);
} else {
axisalignedbb = getBoundingBox().inflate(1.0, 0.5, 1.0);
}
for (Entity entity : level().getEntities(this, axisalignedbb)) {
entity.playerTouch(this);
}
}
if (!npc.hasTrait(EntityPoseTrait.class) || npc.getTraitNullable(EntityPoseTrait.class).getPose() == null) {
updatePlayerPose();
}
}
@Override
public MobAI getAI() {
return ai;
}
@Override
public CraftPlayer getBukkitEntity() {
if (npc != null && !setBukkitEntity) {
NMSImpl.setBukkitEntity(this, new PlayerNPC(this));
setBukkitEntity = true;
}
return super.getBukkitEntity();
}
@Override
protected SoundEvent getDeathSound() {
return NMSImpl.getSoundEffect(npc, super.getDeathSound(), NPC.Metadata.DEATH_SOUND);
}
@Override
protected SoundEvent getHurtSound(DamageSource damagesource) {
return NMSImpl.getSoundEffect(npc, super.getHurtSound(damagesource), NPC.Metadata.HURT_SOUND);
}
@Override
public NPC getNPC() {
return npc;
}
@Override
public GameProfile getProfile() {
return super.getGameProfile();
}
@Override
public String getSkinName() {
String skinName = npc.getOrAddTrait(SkinTrait.class).getSkinName();
if (skinName == null) {
skinName = npc.getName();
}
return skinName.toLowerCase();
}
@Override
public SkinPacketTracker getSkinTracker() {
return skinTracker;
}
@Override
public ServerStatsCounter getStats() {
return statsCache == null ? statsCache = new EmptyServerStatsCounter() : statsCache;
}
@Override
public Component getTabListDisplayName() {
if (npc != null && npc.shouldRemoveFromTabList())
return MutableComponent.create(new LiteralContents(""));
return super.getTabListDisplayName();
}
@Override
public boolean hurt(DamageSource damagesource, float f) {
// knock back velocity is cancelled and sent to client for handling when
// the entity is a player. there is no client so make this happen
// manually.
boolean damaged = super.hurt(damagesource, f);
if (damaged && hurtMarked) {
hurtMarked = false;
Bukkit.getScheduler().runTask(CitizensAPI.getPlugin(), () -> EntityHumanNPC.this.hurtMarked = true);
}
return damaged;
}
private void initialise(MinecraftServer minecraftServer, ClientInformation clientInfo) {
try {
EmptyConnection conn = new EmptyConnection(PacketFlow.CLIENTBOUND);
connection = new EmptyPacketListener(minecraftServer, conn, this,
new CommonListenerCookie(getProfile(), 0, clientInfo, false));
} catch (IOException e) {
e.printStackTrace();
}
this.invulnerableTime = 0;
NMS.setStepHeight(getBukkitEntity(), 1); // the default (0) breaks step climbing
setSkinFlags((byte) 0xFF);
EmptyAdvancementDataPlayer.clear(this.getAdvancements());
NMSImpl.setAdvancement(this.getBukkitEntity(),
new EmptyAdvancementDataPlayer(minecraftServer.getFixerUpper(), minecraftServer.getPlayerList(),
minecraftServer.getAdvancements(), CitizensAPI.getDataFolder().getParentFile(), this));
}
@Override
public boolean isInWall() {
if (npc == null || noPhysics || isSleeping())
return super.isInWall();
return Util.inBlock(getBukkitEntity());
}
@Override
public boolean isPushable() {
return npc == null ? super.isPushable() : npc.data().<Boolean> get(NPC.Metadata.COLLIDABLE, !npc.isProtected());
}
@Override
public void knockback(double strength, double dx, double dz) {
NMS.callKnockbackEvent(npc, (float) strength, dx, dz, evt -> super.knockback((float) evt.getStrength(),
evt.getKnockbackVector().getX(), evt.getKnockbackVector().getZ()));
}
private void moveOnCurrentHeading() {
if (jumping) {
if (onGround && jumpTicks == 0) {
jumpFromGround();
jumpTicks = 10;
}
} else {
jumpTicks = 0;
}
xxa *= 0.98F;
zza *= 0.98F;
moveWithFallDamage(new Vec3(this.xxa, this.yya, this.zza));
NMS.setHeadAndBodyYaw(getBukkitEntity(), getYRot());
if (jumpTicks > 0) {
jumpTicks--;
}
}
private void moveWithFallDamage(Vec3 vec) {
double x = getX();
double y = getY();
double z = getZ();
travel(vec);
if (!npc.isProtected()) {
doCheckFallDamage(getX() - x, getY() - y, getZ() - z, onGround);
}
}
@Override
public boolean onClimbable() {
if (npc == null || !npc.isFlyable())
return super.onClimbable();
else
return false;
}
@Override
public void push(Entity entity) {
// this method is called by both the entities involved - cancelling
// it will not stop the NPC from moving.
super.push(entity);
if (npc != null) {
Util.callCollisionEvent(npc, entity.getBukkitEntity());
}
}
@Override
public void remove(RemovalReason reason) {
super.remove(reason);
getAdvancements().save();
}
@Override
public void setSkinFlags(byte flags) {
getEntityData().set(net.minecraft.world.entity.player.Player.DATA_PLAYER_MODE_CUSTOMISATION, flags);
}
@Override
public void setSkinName(String name) {
npc.getOrAddTrait(SkinTrait.class).setSkinName(name);
}
@Override
public void setSkinName(String name, boolean forceUpdate) {
npc.getOrAddTrait(SkinTrait.class).setSkinName(name, forceUpdate);
}
@Override
public void setSkinPersistent(String skinName, String signature, String data) {
npc.getOrAddTrait(SkinTrait.class).setSkinPersistent(skinName, signature, data);
}
@Override
public void tick() {
super.tick();
if (npc == null)
return;
Bukkit.getServer().getPluginManager().unsubscribeFromPermission("bukkit.broadcast.user", getBukkitEntity());
updatePackets(npc.getNavigator().isNavigating());
npc.update();
}
@Override
public void tickAI() {
ai.getMoveControl().tick();
ai.getJumpControl().tick();
}
@Override
public void travel(Vec3 vec3d) {
if (npc == null || !npc.isFlyable()) {
super.travel(vec3d);
} else {
NMSImpl.flyingMoveLogic(this, vec3d);
}
}
@Override
public boolean updateFluidHeightAndDoFluidPushing(TagKey<Fluid> tagkey, double d0) {
Vec3 old = getDeltaMovement().add(0, 0, 0);
boolean res = super.updateFluidHeightAndDoFluidPushing(tagkey, d0);
if (!npc.isPushableByFluids()) {
setDeltaMovement(old);
}
return res;
}
private void updatePackets(boolean navigating) {
if (!npc.isUpdating(NPCUpdate.PACKET))
return;
effectsDirty = true;
}
public static class PlayerNPC extends CraftPlayer implements NPCHolder, SkinnableEntity {
private final CitizensNPC npc;
private PlayerNPC(EntityHumanNPC entity) {
super((CraftServer) Bukkit.getServer(), entity);
this.npc = entity.npc;
npc.getOrAddTrait(Inventory.class);
}
@Override
public boolean canSee(org.bukkit.entity.Entity entity) {
if (entity != null && entity.getType().name().contains("ITEM_FRAME"))
return false; // optimise for large maps in item frames
return super.canSee(entity);
}
@Override
public Player getBukkitEntity() {
return this;
}
@Override
public EntityHumanNPC getHandle() {
return (EntityHumanNPC) this.entity;
}
@Override
public List<MetadataValue> getMetadata(String metadataKey) {
return ((CraftServer) Bukkit.getServer()).getEntityMetadata().getMetadata(this, metadataKey);
}
@Override
public NPC getNPC() {
return npc;
}
@Override
public String getSkinName() {
return ((SkinnableEntity) this.entity).getSkinName();
}
@Override
public SkinPacketTracker getSkinTracker() {
return ((SkinnableEntity) this.entity).getSkinTracker();
}
@Override
public boolean hasMetadata(String metadataKey) {
return ((CraftServer) Bukkit.getServer()).getEntityMetadata().hasMetadata(this, metadataKey);
}
@Override
public void removeMetadata(String metadataKey, Plugin owningPlugin) {
((CraftServer) Bukkit.getServer()).getEntityMetadata().removeMetadata(this, metadataKey, owningPlugin);
}
@Override
public void setMetadata(String metadataKey, MetadataValue newMetadataValue) {
((CraftServer) Bukkit.getServer()).getEntityMetadata().setMetadata(this, metadataKey, newMetadataValue);
}
@Override
public void setSkinFlags(byte flags) {
((SkinnableEntity) this.entity).setSkinFlags(flags);
}
@Override
public void setSkinName(String name) {
((SkinnableEntity) this.entity).setSkinName(name);
}
@Override
public void setSkinName(String skinName, boolean forceUpdate) {
((SkinnableEntity) this.entity).setSkinName(skinName, forceUpdate);
}
@Override
public void setSkinPersistent(String skinName, String signature, String data) {
((SkinnableEntity) this.entity).setSkinPersistent(skinName, signature, data);
}
}
private static final float EPSILON = 0.003F;
private static final MethodHandle GAMEMODE_SETTING = NMS.getFirstMethodHandle(ServerPlayerGameMode.class, true,
GameType.class, GameType.class);
}