1953 lines
60 KiB
Rust
1953 lines
60 KiB
Rust
use crate::entity::item::ItemEntity;
|
|
use crate::world::World;
|
|
use crate::{server::Server, world::portal::PortalManager};
|
|
use async_trait::async_trait;
|
|
use bytes::BufMut;
|
|
use crossbeam::atomic::AtomicCell;
|
|
use living::LivingEntity;
|
|
use player::Player;
|
|
use pumpkin_data::BlockState;
|
|
use pumpkin_data::block_properties::Integer0To15;
|
|
use pumpkin_data::fluid::Fluid;
|
|
use pumpkin_data::{Block, BlockDirection};
|
|
use pumpkin_data::{
|
|
block_properties::{Facing, HorizontalFacing},
|
|
damage::DamageType,
|
|
entity::{EntityPose, EntityType},
|
|
sound::{Sound, SoundCategory},
|
|
};
|
|
use pumpkin_nbt::{compound::NbtCompound, tag::NbtTag};
|
|
use pumpkin_protocol::java::client::play::{CUpdateEntityPos, CUpdateEntityPosRot};
|
|
use pumpkin_protocol::{
|
|
codec::var_int::VarInt,
|
|
java::client::play::{
|
|
CEntityPositionSync, CEntityVelocity, CHeadRot, CSetEntityMetadata, CSpawnEntity,
|
|
CUpdateEntityRot, MetaDataType, Metadata,
|
|
},
|
|
ser::serializer::Serializer,
|
|
};
|
|
use pumpkin_registry::VanillaDimensionType;
|
|
use pumpkin_util::math::vector3::Axis;
|
|
use pumpkin_util::math::{
|
|
boundingbox::{BoundingBox, EntityDimensions},
|
|
get_section_cord,
|
|
position::BlockPos,
|
|
vector2::Vector2,
|
|
vector3::Vector3,
|
|
wrap_degrees,
|
|
};
|
|
use pumpkin_util::text::TextComponent;
|
|
use pumpkin_util::text::hover::HoverEvent;
|
|
use serde::Serialize;
|
|
use std::collections::BTreeMap;
|
|
use std::sync::{
|
|
Arc,
|
|
atomic::{
|
|
AtomicBool, AtomicI32, AtomicU32,
|
|
Ordering::{self, Relaxed},
|
|
},
|
|
};
|
|
use tokio::sync::{Mutex, RwLock};
|
|
|
|
pub mod ai;
|
|
pub mod decoration;
|
|
pub mod effect;
|
|
pub mod experience_orb;
|
|
pub mod falling;
|
|
pub mod hunger;
|
|
pub mod item;
|
|
pub mod living;
|
|
pub mod mob;
|
|
pub mod player;
|
|
pub mod projectile;
|
|
pub mod tnt;
|
|
pub mod r#type;
|
|
|
|
mod combat;
|
|
pub mod predicate;
|
|
|
|
#[async_trait]
|
|
pub trait EntityBase: Send + Sync + NBTStorage {
|
|
/// Called every tick for this entity.
|
|
///
|
|
/// The `caller` parameter is a reference to the entity that initiated the tick.
|
|
/// This can be the same entity the method is being called on (`self`),
|
|
/// but in some scenarios (e.g., interactions or events), it might be a different entity.
|
|
///
|
|
/// The `server` parameter provides access to the game server instance.
|
|
async fn tick(&self, caller: Arc<dyn EntityBase>, server: &Server) {
|
|
if let Some(living) = self.get_living_entity() {
|
|
living.tick(caller, server).await;
|
|
} else {
|
|
self.get_entity().tick(caller, server).await;
|
|
}
|
|
}
|
|
|
|
async fn init_data_tracker(&self) {}
|
|
|
|
async fn teleport(
|
|
self: Arc<Self>,
|
|
position: Vector3<f64>,
|
|
yaw: Option<f32>,
|
|
pitch: Option<f32>,
|
|
world: Arc<World>,
|
|
) {
|
|
self.get_entity()
|
|
.teleport(position, yaw, pitch, world)
|
|
.await;
|
|
}
|
|
|
|
fn is_pushed_by_fluids(&self) -> bool {
|
|
true
|
|
}
|
|
|
|
fn get_gravity(&self) -> f64 {
|
|
0.0
|
|
}
|
|
|
|
/// Returns if damage was successful or not
|
|
async fn damage(&self, amount: f32, damage_type: DamageType) -> bool {
|
|
self.damage_with_context(amount, damage_type, None, None, None)
|
|
.await
|
|
}
|
|
|
|
fn is_spectator(&self) -> bool {
|
|
false
|
|
}
|
|
|
|
fn is_collidable(&self, _entity: Option<Box<dyn EntityBase>>) -> bool {
|
|
false
|
|
}
|
|
|
|
fn can_hit(&self) -> bool {
|
|
false
|
|
}
|
|
|
|
fn is_flutterer(&self) -> bool {
|
|
false
|
|
}
|
|
|
|
async fn damage_with_context(
|
|
&self,
|
|
amount: f32,
|
|
damage_type: DamageType,
|
|
position: Option<Vector3<f64>>,
|
|
source: Option<&dyn EntityBase>,
|
|
cause: Option<&dyn EntityBase>,
|
|
) -> bool;
|
|
|
|
/// Called when a player collides with a entity
|
|
async fn on_player_collision(&self, _player: &Arc<Player>) {}
|
|
fn get_entity(&self) -> &Entity;
|
|
fn get_living_entity(&self) -> Option<&LivingEntity>;
|
|
|
|
fn get_item_entity(self: Arc<Self>) -> Option<Arc<ItemEntity>> {
|
|
None
|
|
}
|
|
|
|
fn get_player(&self) -> Option<&Player> {
|
|
None
|
|
}
|
|
|
|
/// Should return the name of the entity without click or hover events.
|
|
fn get_name(&self) -> TextComponent {
|
|
let entity = self.get_entity();
|
|
entity
|
|
.custom_name
|
|
.clone()
|
|
.unwrap_or(TextComponent::translate(
|
|
format!("entity.minecraft.{}", entity.entity_type.resource_name),
|
|
[],
|
|
))
|
|
}
|
|
async fn get_display_name(&self) -> TextComponent {
|
|
// TODO: team color
|
|
let entity = self.get_entity();
|
|
let mut name = entity
|
|
.custom_name
|
|
.clone()
|
|
.unwrap_or(TextComponent::translate(
|
|
format!("entity.minecraft.{}", entity.entity_type.resource_name),
|
|
[],
|
|
));
|
|
let name_clone = name.clone();
|
|
name = name.hover_event(HoverEvent::show_entity(
|
|
entity.entity_uuid.to_string(),
|
|
entity.entity_type.resource_name.into(),
|
|
Some(name_clone),
|
|
));
|
|
name = name.insertion(entity.entity_uuid.to_string());
|
|
name
|
|
}
|
|
|
|
/// Kills the Entity.
|
|
async fn kill(&self) {
|
|
if let Some(living) = self.get_living_entity() {
|
|
living.damage(f32::MAX, DamageType::GENERIC_KILL).await;
|
|
} else {
|
|
// TODO this should be removed once all entities are implemented
|
|
self.get_entity().remove().await;
|
|
}
|
|
}
|
|
|
|
/// Returns itself as the nbt storage for saving and loading data.
|
|
fn as_nbt_storage(&self) -> &dyn NBTStorage;
|
|
}
|
|
|
|
#[derive(Clone, Copy, Eq, PartialEq)]
|
|
pub enum RemovalReason {
|
|
Killed,
|
|
Discarded,
|
|
UnloadedToChunk,
|
|
UnloadedWithPlayer,
|
|
ChangedDimension,
|
|
}
|
|
|
|
impl RemovalReason {
|
|
#[must_use]
|
|
pub fn should_destroy(&self) -> bool {
|
|
match self {
|
|
Self::Killed | Self::Discarded => true,
|
|
Self::UnloadedToChunk | Self::UnloadedWithPlayer | Self::ChangedDimension => false,
|
|
}
|
|
}
|
|
|
|
#[must_use]
|
|
pub fn should_save(&self) -> bool {
|
|
match self {
|
|
Self::Killed | Self::Discarded | Self::UnloadedWithPlayer | Self::ChangedDimension => {
|
|
false
|
|
}
|
|
Self::UnloadedToChunk => true,
|
|
}
|
|
}
|
|
}
|
|
|
|
static CURRENT_ID: AtomicI32 = AtomicI32::new(0);
|
|
|
|
/// Represents a non-living Entity (e.g. Item, Egg, Snowball...)
|
|
pub struct Entity {
|
|
/// A unique identifier for the entity
|
|
pub entity_id: i32,
|
|
/// A persistent, unique identifier for the entity
|
|
pub entity_uuid: uuid::Uuid,
|
|
/// The type of entity (e.g., player, zombie, item)
|
|
pub entity_type: &'static EntityType,
|
|
/// The world in which the entity exists.
|
|
pub world: Arc<RwLock<Arc<World>>>,
|
|
/// The entity's current position in the world
|
|
pub pos: AtomicCell<Vector3<f64>>,
|
|
/// The last known position of the entity.
|
|
pub last_pos: AtomicCell<Vector3<f64>>,
|
|
/// The entity's position rounded to the nearest block coordinates
|
|
pub block_pos: AtomicCell<BlockPos>,
|
|
/// The block supporting the entity
|
|
pub supporting_block_pos: AtomicCell<Option<BlockPos>>,
|
|
/// The chunk coordinates of the entity's current position
|
|
pub chunk_pos: AtomicCell<Vector2<i32>>,
|
|
/// Indicates whether the entity is sneaking
|
|
pub sneaking: AtomicBool,
|
|
/// Indicates whether the entity is sprinting
|
|
pub sprinting: AtomicBool,
|
|
/// Indicates whether the entity is flying due to a fall
|
|
pub fall_flying: AtomicBool,
|
|
/// The entity's current velocity vector, aka knockback
|
|
pub velocity: AtomicCell<Vector3<f64>>,
|
|
/// Tracks a horizontal collision
|
|
pub horizontal_collision: AtomicBool,
|
|
/// Indicates whether the entity is on the ground (may not always be accurate).
|
|
pub on_ground: AtomicBool,
|
|
/// Indicates whether the entity is touching water
|
|
pub touching_water: AtomicBool,
|
|
/// Indicates the fluid height
|
|
pub water_height: AtomicCell<f64>,
|
|
/// Indicates whether the entity is touching lava
|
|
pub touching_lava: AtomicBool,
|
|
/// Indicates the fluid height
|
|
pub lava_height: AtomicCell<f64>,
|
|
/// The entity's yaw rotation (horizontal rotation) ← →
|
|
pub yaw: AtomicCell<f32>,
|
|
/// The entity's head yaw rotation (horizontal rotation of the head)
|
|
pub head_yaw: AtomicCell<f32>,
|
|
/// The entity's body yaw rotation (horizontal rotation of the body)
|
|
pub body_yaw: AtomicCell<f32>,
|
|
/// The entity's pitch rotation (vertical rotation) ↑ ↓
|
|
pub pitch: AtomicCell<f32>,
|
|
/// The height of the entity's eyes from the ground.
|
|
pub standing_eye_height: f32,
|
|
/// The entity's current pose (e.g., standing, sitting, swimming).
|
|
pub pose: AtomicCell<EntityPose>,
|
|
/// The bounding box of an entity (hitbox)
|
|
pub bounding_box: AtomicCell<BoundingBox>,
|
|
///The size (width and height) of the bounding box
|
|
pub bounding_box_size: AtomicCell<EntityDimensions>,
|
|
/// Whether this entity is invulnerable to all damage
|
|
pub invulnerable: AtomicBool,
|
|
/// List of damage types this entity is immune to
|
|
pub damage_immunities: Vec<DamageType>,
|
|
pub fire_ticks: AtomicI32,
|
|
pub has_visual_fire: AtomicBool,
|
|
pub removal_reason: AtomicCell<Option<RemovalReason>>,
|
|
// The passengers that entity has
|
|
pub passengers: Mutex<Vec<Arc<dyn EntityBase>>>,
|
|
/// The vehicle that entity is in
|
|
pub vehicle: Mutex<Option<Arc<dyn EntityBase>>>,
|
|
pub age: AtomicI32,
|
|
|
|
pub first_loaded_chunk_position: AtomicCell<Option<Vector3<i32>>>,
|
|
|
|
pub portal_cooldown: AtomicU32,
|
|
|
|
pub portal_manager: Mutex<Option<Mutex<PortalManager>>>,
|
|
/// Custom name for the entity
|
|
pub custom_name: Option<TextComponent>,
|
|
/// Indicates whether the entity's custom name is visible
|
|
pub custom_name_visible: bool,
|
|
/// The data send in the Entity Spawn packet
|
|
pub data: AtomicI32,
|
|
/// If true, the entity cannot collide with anything (e.g. spectator)
|
|
pub no_clip: AtomicBool,
|
|
/// Multiplies movement for one tick before being reset
|
|
pub movement_multiplier: AtomicCell<Vector3<f64>>,
|
|
/// Determines whether the entity's velocity needs to be sent
|
|
pub velocity_dirty: AtomicBool,
|
|
/// Set when an Entity is to be removed but could still be referenced
|
|
pub removed: AtomicBool,
|
|
}
|
|
|
|
impl Entity {
|
|
pub fn new(
|
|
entity_uuid: uuid::Uuid,
|
|
world: Arc<World>,
|
|
position: Vector3<f64>,
|
|
entity_type: &'static EntityType,
|
|
invulnerable: bool,
|
|
) -> Self {
|
|
let floor_x = position.x.floor() as i32;
|
|
let floor_y = position.y.floor() as i32;
|
|
let floor_z = position.z.floor() as i32;
|
|
|
|
let bounding_box_size = EntityDimensions {
|
|
width: entity_type.dimension[0],
|
|
height: entity_type.dimension[1],
|
|
};
|
|
|
|
Self {
|
|
entity_id: CURRENT_ID.fetch_add(1, Relaxed),
|
|
entity_uuid,
|
|
entity_type,
|
|
on_ground: AtomicBool::new(false),
|
|
touching_water: AtomicBool::new(false),
|
|
water_height: AtomicCell::new(0.0),
|
|
touching_lava: AtomicBool::new(false),
|
|
lava_height: AtomicCell::new(0.0),
|
|
horizontal_collision: AtomicBool::new(false),
|
|
pos: AtomicCell::new(position),
|
|
last_pos: AtomicCell::new(position),
|
|
block_pos: AtomicCell::new(BlockPos(Vector3::new(floor_x, floor_y, floor_z))),
|
|
supporting_block_pos: AtomicCell::new(None),
|
|
chunk_pos: AtomicCell::new(Vector2::new(
|
|
get_section_cord(floor_x),
|
|
get_section_cord(floor_z),
|
|
)),
|
|
sneaking: AtomicBool::new(false),
|
|
world: Arc::new(RwLock::new(world)),
|
|
sprinting: AtomicBool::new(false),
|
|
fall_flying: AtomicBool::new(false),
|
|
yaw: AtomicCell::new(0.0),
|
|
head_yaw: AtomicCell::new(0.0),
|
|
body_yaw: AtomicCell::new(0.0),
|
|
pitch: AtomicCell::new(0.0),
|
|
velocity: AtomicCell::new(Vector3::new(0.0, 0.0, 0.0)),
|
|
standing_eye_height: entity_type.eye_height,
|
|
pose: AtomicCell::new(EntityPose::Standing),
|
|
first_loaded_chunk_position: AtomicCell::new(None),
|
|
bounding_box: AtomicCell::new(BoundingBox::new_from_pos(
|
|
position.x,
|
|
position.y,
|
|
position.z,
|
|
&bounding_box_size,
|
|
)),
|
|
bounding_box_size: AtomicCell::new(bounding_box_size),
|
|
invulnerable: AtomicBool::new(invulnerable),
|
|
damage_immunities: Vec::new(),
|
|
data: AtomicI32::new(0),
|
|
fire_ticks: AtomicI32::new(-1),
|
|
has_visual_fire: AtomicBool::new(false),
|
|
removal_reason: AtomicCell::new(None),
|
|
passengers: Mutex::new(Vec::new()),
|
|
vehicle: Mutex::new(None),
|
|
age: AtomicI32::new(0),
|
|
portal_cooldown: AtomicU32::new(0),
|
|
portal_manager: Mutex::new(None),
|
|
custom_name: None,
|
|
custom_name_visible: false,
|
|
no_clip: AtomicBool::new(false),
|
|
movement_multiplier: AtomicCell::new(Vector3::default()),
|
|
velocity_dirty: AtomicBool::new(true),
|
|
removed: AtomicBool::new(false),
|
|
}
|
|
}
|
|
|
|
pub async fn set_velocity(&self, velocity: Vector3<f64>) {
|
|
self.velocity.store(velocity);
|
|
self.send_velocity().await;
|
|
}
|
|
|
|
pub async fn send_velocity(&self) {
|
|
let velocity = self.velocity.load();
|
|
self.world
|
|
.read()
|
|
.await
|
|
.broadcast_packet_all(&CEntityVelocity::new(self.entity_id.into(), velocity))
|
|
.await;
|
|
}
|
|
|
|
/// Updates the entity's position, block position, and chunk position.
|
|
///
|
|
/// This function calculates the new position, block position, and chunk position based on the provided coordinates. If any of these values change, the corresponding fields are updated.
|
|
pub fn set_pos(&self, new_position: Vector3<f64>) {
|
|
let pos = self.pos.load();
|
|
if pos != new_position {
|
|
self.pos.store(new_position);
|
|
self.bounding_box.store(BoundingBox::new_from_pos(
|
|
new_position.x,
|
|
new_position.y,
|
|
new_position.z,
|
|
&self.bounding_box_size.load(),
|
|
));
|
|
|
|
let floor_x = new_position.x.floor() as i32;
|
|
let floor_y = new_position.y.floor() as i32;
|
|
let floor_z = new_position.z.floor() as i32;
|
|
|
|
let block_pos = self.block_pos.load();
|
|
let block_pos_vec = block_pos.0;
|
|
if floor_x != block_pos_vec.x
|
|
|| floor_y != block_pos_vec.y
|
|
|| floor_z != block_pos_vec.z
|
|
{
|
|
let new_block_pos = Vector3::new(floor_x, floor_y, floor_z);
|
|
self.block_pos.store(BlockPos(new_block_pos));
|
|
|
|
let chunk_pos = self.chunk_pos.load();
|
|
if get_section_cord(floor_x) != chunk_pos.x
|
|
|| get_section_cord(floor_z) != chunk_pos.y
|
|
{
|
|
self.chunk_pos.store(Vector2::new(
|
|
get_section_cord(new_block_pos.x),
|
|
get_section_cord(new_block_pos.z),
|
|
));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Returns entity rotation as vector
|
|
pub fn rotation(&self) -> Vector3<f32> {
|
|
// Convert degrees to radians if necessary
|
|
let yaw_rad = self.yaw.load().to_radians();
|
|
let pitch_rad = self.pitch.load().to_radians();
|
|
|
|
Vector3::new(
|
|
yaw_rad.cos() * pitch_rad.cos(),
|
|
pitch_rad.sin(),
|
|
yaw_rad.sin() * pitch_rad.cos(),
|
|
)
|
|
.normalize()
|
|
}
|
|
|
|
/// Changes this entity's pitch and yaw to look at target
|
|
pub async fn look_at(&self, target: Vector3<f64>) {
|
|
let position = self.pos.load();
|
|
let delta = target.sub(&position);
|
|
let root = delta.x.hypot(delta.z);
|
|
let pitch = wrap_degrees(-delta.y.atan2(root) as f32 * 180.0 / std::f32::consts::PI);
|
|
let yaw =
|
|
wrap_degrees((delta.z.atan2(delta.x) as f32 * 180.0 / std::f32::consts::PI) - 90.0);
|
|
self.pitch.store(pitch);
|
|
self.yaw.store(yaw);
|
|
|
|
self.send_rotation().await;
|
|
}
|
|
|
|
pub async fn send_rotation(&self) {
|
|
let yaw = self.yaw.load();
|
|
let pitch = self.pitch.load();
|
|
|
|
// Broadcast the update packet.
|
|
|
|
// TODO: Do caching to only send the packet when needed.
|
|
|
|
let yaw = (yaw * 256.0 / 360.0).rem_euclid(256.0);
|
|
|
|
let yaw = (yaw * 256.0 / 360.0).rem_euclid(256.0) as u8;
|
|
|
|
let pitch = (pitch * 256.0 / 360.0).rem_euclid(256.0);
|
|
|
|
self.world
|
|
.read()
|
|
.await
|
|
.broadcast_packet_all(&CUpdateEntityRot::new(
|
|
self.entity_id.into(),
|
|
yaw,
|
|
pitch as u8,
|
|
self.on_ground.load(Relaxed),
|
|
))
|
|
.await;
|
|
|
|
self.send_head_rot(yaw).await;
|
|
}
|
|
|
|
pub async fn send_head_rot(&self, head_yaw: u8) {
|
|
self.world
|
|
.read()
|
|
.await
|
|
.broadcast_packet_all(&CHeadRot::new(self.entity_id.into(), head_yaw))
|
|
.await;
|
|
}
|
|
|
|
fn default_portal_cooldown(&self) -> u32 {
|
|
if self.entity_type == &EntityType::PLAYER {
|
|
10
|
|
} else {
|
|
300
|
|
}
|
|
}
|
|
|
|
#[allow(clippy::float_cmp)]
|
|
async fn adjust_movement_for_collisions(&self, movement: Vector3<f64>) -> Vector3<f64> {
|
|
self.on_ground.store(false, Ordering::SeqCst);
|
|
|
|
self.supporting_block_pos.store(None);
|
|
|
|
self.horizontal_collision.store(false, Ordering::SeqCst);
|
|
|
|
if movement.length_squared() == 0.0 {
|
|
return movement;
|
|
}
|
|
|
|
let bounding_box = self.bounding_box.load();
|
|
|
|
let (collisions, block_positions) = self
|
|
.world
|
|
.read()
|
|
.await
|
|
.get_block_collisions(bounding_box.stretch(movement))
|
|
.await;
|
|
|
|
if collisions.is_empty() {
|
|
return movement;
|
|
}
|
|
|
|
let mut adjusted_movement = movement;
|
|
|
|
// Y-Axis adjustment
|
|
|
|
if movement.get_axis(Axis::Y) != 0.0 {
|
|
let mut max_time = 1.0;
|
|
|
|
let mut positions = block_positions.into_iter();
|
|
|
|
let (mut collisions_len, mut position) = positions.next().unwrap();
|
|
|
|
let mut supporting_block_pos = None;
|
|
|
|
for (i, inert_box) in collisions.iter().enumerate() {
|
|
if i == collisions_len {
|
|
(collisions_len, position) = positions.next().unwrap();
|
|
}
|
|
|
|
if let Some(collision_time) = bounding_box.calculate_collision_time(
|
|
inert_box,
|
|
adjusted_movement,
|
|
Axis::Y,
|
|
max_time,
|
|
) {
|
|
max_time = collision_time;
|
|
|
|
supporting_block_pos = Some(position);
|
|
}
|
|
}
|
|
|
|
if max_time != 1.0 {
|
|
let changed_component = adjusted_movement.get_axis(Axis::Y) * max_time;
|
|
|
|
adjusted_movement.set_axis(Axis::Y, changed_component);
|
|
}
|
|
|
|
self.on_ground
|
|
.store(supporting_block_pos.is_some(), Ordering::SeqCst);
|
|
|
|
self.supporting_block_pos.store(supporting_block_pos);
|
|
}
|
|
|
|
let mut horizontal_collision = false;
|
|
|
|
for axis in Axis::horizontal() {
|
|
if movement.get_axis(axis) == 0.0 {
|
|
continue;
|
|
}
|
|
|
|
let mut max_time = 1.0;
|
|
|
|
for inert_box in &collisions {
|
|
if let Some(collision_time) = bounding_box.calculate_collision_time(
|
|
inert_box,
|
|
adjusted_movement,
|
|
axis,
|
|
max_time,
|
|
) {
|
|
max_time = collision_time;
|
|
}
|
|
}
|
|
|
|
if max_time != 1.0 {
|
|
let changed_component = adjusted_movement.get_axis(axis) * max_time;
|
|
|
|
adjusted_movement.set_axis(axis, changed_component);
|
|
|
|
horizontal_collision = true;
|
|
}
|
|
}
|
|
|
|
self.horizontal_collision
|
|
.store(horizontal_collision, Ordering::SeqCst);
|
|
|
|
adjusted_movement
|
|
}
|
|
|
|
/// Applies knockback to the entity, following vanilla Minecraft's mechanics.
|
|
/// `LivingEntity.takeKnockback()`
|
|
/// This function calculates the entity's new velocity based on the specified knockback strength and direction.
|
|
pub fn apply_knockback(&self, strength: f64, mut x: f64, mut z: f64) {
|
|
// TODO: strength *= 1 - Entity attribute knockback resistance
|
|
|
|
if strength <= 0.0 {
|
|
return;
|
|
}
|
|
|
|
self.velocity_dirty.store(true, Ordering::SeqCst);
|
|
|
|
// This has some vanilla magic
|
|
|
|
while x.mul_add(x, z * z) < 1.0E-5 {
|
|
x = (rand::random::<f64>() - rand::random::<f64>()) * 0.01;
|
|
|
|
z = (rand::random::<f64>() - rand::random::<f64>()) * 0.01;
|
|
}
|
|
|
|
let var8 = Vector3::new(x, 0.0, z).normalize() * strength;
|
|
|
|
let velocity = self.velocity.load();
|
|
|
|
self.velocity.store(Vector3::new(
|
|
velocity.x / 2.0 - var8.x,
|
|
if self.on_ground.load(Relaxed) {
|
|
(velocity.y / 2.0 + strength).min(0.4)
|
|
} else {
|
|
velocity.y
|
|
},
|
|
velocity.z / 2.0 - var8.z,
|
|
));
|
|
}
|
|
|
|
// Part of LivingEntity.tickMovement() in yarn
|
|
|
|
pub fn check_zero_velo(&self) {
|
|
let mut motion = self.velocity.load();
|
|
|
|
if self.entity_type == &EntityType::PLAYER {
|
|
if motion.horizontal_length_squared() < 9.0E-6 {
|
|
motion.x = 0.0;
|
|
|
|
motion.z = 0.0;
|
|
}
|
|
} else {
|
|
if motion.x.abs() < 0.003 {
|
|
motion.x = 0.0;
|
|
}
|
|
|
|
if motion.z.abs() < 0.003 {
|
|
motion.z = 0.0;
|
|
}
|
|
}
|
|
|
|
if motion.y.abs() < 0.003 {
|
|
motion.y = 0.0;
|
|
}
|
|
|
|
self.velocity.store(motion);
|
|
}
|
|
|
|
#[allow(dead_code)]
|
|
fn tick_block_underneath(_caller: &Arc<dyn EntityBase>) {
|
|
// let world = self.world.read().await;
|
|
|
|
// let (pos, block, state) = self.get_block_with_y_offset(0.2).await;
|
|
|
|
// world
|
|
// .block_registry
|
|
// .on_stepped_on(&world, caller.as_ref(), pos, block, state)
|
|
// .await;
|
|
|
|
// TODO: Add this to on_stepped_on
|
|
|
|
/*
|
|
|
|
|
|
if self.on_ground.load(Ordering::SeqCst) {
|
|
|
|
|
|
let (_pos, block, state) = self.get_block_with_y_offset(0.2).await;
|
|
|
|
|
|
if let Some(live) = living {
|
|
|
|
|
|
if block == Block::CAMPFIRE
|
|
|
|
|
|
|| block == Block::SOUL_CAMPFIRE
|
|
|
|
|
|
&& CampfireLikeProperties::from_state_id(state.id, &block).r#signal_fire
|
|
|
|
|
|
{
|
|
|
|
|
|
let _ = live.damage(1.0, DamageType::CAMPFIRE).await;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if block == Block::MAGMA_BLOCK {
|
|
|
|
|
|
let _ = live.damage(1.0, DamageType::HOT_FLOOR).await;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
*/
|
|
}
|
|
|
|
// Returns whether the entity's eye level is in a wall
|
|
|
|
async fn tick_block_collisions(&self, caller: &Arc<dyn EntityBase>, server: &Server) -> bool {
|
|
let bounding_box = self.bounding_box.load();
|
|
|
|
let mut suffocating = false;
|
|
|
|
let aabb = bounding_box.expand(-0.001, -0.001, -0.001);
|
|
|
|
let min = aabb.min_block_pos();
|
|
|
|
let max = aabb.max_block_pos();
|
|
|
|
let world = self.world.read().await;
|
|
|
|
let mut eye_level_box = aabb;
|
|
|
|
let eye_height = f64::from(self.standing_eye_height);
|
|
|
|
eye_level_box.min.y += eye_height;
|
|
|
|
eye_level_box.max.y = eye_level_box.min.y;
|
|
|
|
for x in min.0.x..=max.0.x {
|
|
for y in min.0.y..=max.0.y {
|
|
for z in min.0.z..=max.0.z {
|
|
let pos = BlockPos::new(x, y, z);
|
|
|
|
let (block, state) = world.get_block_and_state(&pos).await;
|
|
|
|
let collided = World::check_outline(
|
|
&bounding_box,
|
|
pos,
|
|
state,
|
|
!suffocating && state.is_solid(),
|
|
|collision_shape: &BoundingBox| {
|
|
suffocating = collision_shape.intersects(&eye_level_box);
|
|
},
|
|
);
|
|
|
|
if collided {
|
|
world
|
|
.block_registry
|
|
.on_entity_collision(
|
|
block,
|
|
&world,
|
|
caller.as_ref(),
|
|
&pos,
|
|
state,
|
|
server,
|
|
)
|
|
.await;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
suffocating
|
|
}
|
|
|
|
pub async fn send_pos_rot(&self) {
|
|
let old = self.update_last_pos();
|
|
|
|
let new = self.pos.load();
|
|
|
|
let converted = Vector3::new(
|
|
new.x.mul_add(4096.0, -(old.x * 4096.0)) as i16,
|
|
new.y.mul_add(4096.0, -(old.y * 4096.0)) as i16,
|
|
new.z.mul_add(4096.0, -(old.z * 4096.0)) as i16,
|
|
);
|
|
|
|
let yaw = self.yaw.load();
|
|
|
|
let pitch = self.pitch.load();
|
|
|
|
// Broadcast the update packet.
|
|
|
|
// TODO: Do caching to only send the packet when needed.
|
|
|
|
let yaw = (yaw * 256.0 / 360.0).rem_euclid(256.0) as u8;
|
|
|
|
let pitch = (pitch * 256.0 / 360.0).rem_euclid(256.0);
|
|
|
|
self.world
|
|
.read()
|
|
.await
|
|
.broadcast_packet_all(&CUpdateEntityPosRot::new(
|
|
self.entity_id.into(),
|
|
Vector3::new(converted.x, converted.y, converted.z),
|
|
yaw,
|
|
pitch as u8,
|
|
self.on_ground.load(Relaxed),
|
|
))
|
|
.await;
|
|
self.send_head_rot(yaw).await;
|
|
}
|
|
|
|
pub fn update_last_pos(&self) -> Vector3<f64> {
|
|
let pos = self.pos.load();
|
|
let old = self.last_pos.load();
|
|
|
|
self.last_pos.store(pos);
|
|
old
|
|
}
|
|
|
|
pub async fn send_pos(&self) {
|
|
let old = self.update_last_pos();
|
|
let new = self.pos.load();
|
|
|
|
let converted = Vector3::new(
|
|
new.x.mul_add(4096.0, -(old.x * 4096.0)) as i16,
|
|
new.y.mul_add(4096.0, -(old.y * 4096.0)) as i16,
|
|
new.z.mul_add(4096.0, -(old.z * 4096.0)) as i16,
|
|
);
|
|
|
|
self.world
|
|
.read()
|
|
.await
|
|
.broadcast_packet_all(&CUpdateEntityPos::new(
|
|
self.entity_id.into(),
|
|
Vector3::new(converted.x, converted.y, converted.z),
|
|
self.on_ground.load(Relaxed),
|
|
))
|
|
.await;
|
|
}
|
|
|
|
// updateWaterState() in yarn
|
|
|
|
async fn update_fluid_state(&self, caller: &Arc<dyn EntityBase>) {
|
|
let is_pushed = caller.is_pushed_by_fluids();
|
|
|
|
let mut fluids = BTreeMap::new();
|
|
|
|
let water_push = Vector3::default();
|
|
|
|
let water_n = 0;
|
|
|
|
let lava_push = Vector3::default();
|
|
|
|
let lava_n = 0;
|
|
|
|
let mut fluid_push = [water_push, lava_push];
|
|
|
|
let mut fluid_n = [water_n, lava_n];
|
|
|
|
let mut in_fluid = [false, false];
|
|
|
|
// The maximum fluid height found
|
|
|
|
let mut fluid_height: [f64; 2] = [0.0, 0.0];
|
|
|
|
let bounding_box = self.bounding_box.load().expand(-0.001, -0.001, -0.001);
|
|
|
|
let min = bounding_box.min_block_pos();
|
|
|
|
let max = bounding_box.max_block_pos();
|
|
|
|
let world = self.world.read().await;
|
|
|
|
for x in min.0.x..=max.0.x {
|
|
for y in min.0.y..=max.0.y {
|
|
for z in min.0.z..=max.0.z {
|
|
let pos = BlockPos::new(x, y, z);
|
|
|
|
let (fluid, state) = world.get_fluid_and_fluid_state(&pos).await;
|
|
|
|
if fluid.id != Fluid::EMPTY.id {
|
|
let marginal_height =
|
|
f64::from(state.height) + f64::from(y) - bounding_box.min.y;
|
|
|
|
if marginal_height >= 0.0 {
|
|
let i = usize::from(
|
|
fluid.id == Fluid::FLOWING_LAVA.id || fluid.id == Fluid::LAVA.id,
|
|
);
|
|
|
|
fluid_height[i] = fluid_height[i].max(marginal_height);
|
|
|
|
in_fluid[i] = true;
|
|
|
|
if !is_pushed {
|
|
fluids.insert(fluid.id, fluid);
|
|
|
|
continue;
|
|
}
|
|
|
|
let mut fluid_velo =
|
|
world.get_fluid_velocity(pos, &fluid, &state).await;
|
|
|
|
if fluid_height[i] < 0.4 {
|
|
fluid_velo = fluid_velo * fluid_height[i];
|
|
}
|
|
|
|
fluid_push[i] += fluid_velo;
|
|
|
|
fluid_n[i] += 1;
|
|
|
|
fluids.insert(fluid.id, fluid);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// BTreeMap auto-sorts water before lava as in vanilla
|
|
|
|
for (_, fluid) in fluids {
|
|
world
|
|
.block_registry
|
|
.on_entity_collision_fluid(&fluid, caller.as_ref())
|
|
.await;
|
|
}
|
|
|
|
let lava_speed =
|
|
if self.world.read().await.dimension_type == VanillaDimensionType::TheNether {
|
|
0.007
|
|
} else {
|
|
0.002_333_333
|
|
};
|
|
|
|
self.push_by_fluid(0.014, fluid_push[0], fluid_n[0]);
|
|
|
|
self.push_by_fluid(lava_speed, fluid_push[1], fluid_n[1]);
|
|
|
|
let water_height = fluid_height[0];
|
|
|
|
let in_water = in_fluid[0];
|
|
|
|
if in_water {
|
|
if let Some(living) = caller.get_living_entity() {
|
|
living.fall_distance.store(0.0);
|
|
}
|
|
|
|
if !self.touching_water.load(Ordering::SeqCst) {
|
|
|
|
// TODO: Spawn splash particles
|
|
}
|
|
}
|
|
|
|
self.water_height.store(water_height);
|
|
|
|
self.touching_water.store(in_water, Ordering::SeqCst);
|
|
|
|
let lava_height = fluid_height[1];
|
|
|
|
let in_lava = in_fluid[1];
|
|
|
|
if in_lava {
|
|
if let Some(living) = caller.get_living_entity() {
|
|
let halved_fall = living.fall_distance.load() / 2.0;
|
|
|
|
if halved_fall != 0.0 {
|
|
living.fall_distance.store(halved_fall);
|
|
}
|
|
}
|
|
}
|
|
|
|
self.lava_height.store(lava_height);
|
|
|
|
self.touching_lava.store(in_lava, Ordering::SeqCst);
|
|
}
|
|
|
|
fn push_by_fluid(&self, speed: f64, mut push: Vector3<f64>, n: usize) {
|
|
if push.length_squared() != 0.0 {
|
|
if n > 0 {
|
|
push = push * (1.0 / (n as f64));
|
|
}
|
|
|
|
if self.entity_type != &EntityType::PLAYER {
|
|
push = push.normalize();
|
|
}
|
|
|
|
push = push * speed;
|
|
|
|
let velo = self.velocity.load();
|
|
|
|
if velo.x.abs() < 0.003 && velo.z.abs() < 0.003 && velo.length_squared() < 0.000_020_25
|
|
{
|
|
push = push.normalize() * 0.0045;
|
|
}
|
|
|
|
self.velocity.store(velo + push);
|
|
}
|
|
}
|
|
|
|
async fn get_pos_with_y_offset(
|
|
&self,
|
|
offset: f64,
|
|
) -> (
|
|
BlockPos,
|
|
Option<&'static Block>,
|
|
Option<&'static BlockState>,
|
|
) {
|
|
if let Some(mut supporting_block) = self.supporting_block_pos.load() {
|
|
if offset > 1.0e-5 {
|
|
let (block, state) = self
|
|
.world
|
|
.read()
|
|
.await
|
|
.get_block_and_state(&supporting_block)
|
|
.await;
|
|
|
|
// if let Some(props) = block.properties(state.id) {
|
|
// let name = props.;
|
|
|
|
// if offset <= 0.5
|
|
// && (name == "OakFenceLikeProperties"
|
|
// || name == "ResinBrickWallLikeProperties"
|
|
// || name == "OakFenceGateLikeProperties"
|
|
// && OakFenceGateLikeProperties::from_state_id(state.id, &block)
|
|
// .r#open)
|
|
// {
|
|
// return (supporting_block, Some(block), Some(state));
|
|
// }
|
|
// }
|
|
|
|
supporting_block.0.y = (self.pos.load().y - offset).floor() as i32;
|
|
|
|
return (supporting_block, Some(block), Some(state));
|
|
}
|
|
|
|
return (supporting_block, None, None);
|
|
}
|
|
|
|
let mut block_pos = self.block_pos.load();
|
|
|
|
block_pos.0.y = (self.pos.load().y - offset).floor() as i32;
|
|
|
|
(block_pos, None, None)
|
|
}
|
|
|
|
async fn get_block_with_y_offset(
|
|
&self,
|
|
offset: f64,
|
|
) -> (BlockPos, &'static Block, &'static BlockState) {
|
|
let (pos, block, state) = self.get_pos_with_y_offset(offset).await;
|
|
|
|
if let (Some(b), Some(s)) = (block, state) {
|
|
(pos, b, s)
|
|
} else {
|
|
let (b, s) = self.world.read().await.get_block_and_state(&pos).await;
|
|
|
|
(pos, b, s)
|
|
}
|
|
}
|
|
|
|
// Entity.updateVelocity in yarn
|
|
|
|
fn update_velocity_from_input(&self, movement_input: Vector3<f64>, speed: f64) {
|
|
let final_input = self.movement_input_to_velocity(movement_input, speed);
|
|
|
|
self.velocity.store(self.velocity.load() + final_input);
|
|
}
|
|
|
|
// Entity.movementInputToVelocity in yarn
|
|
|
|
#[allow(dead_code)]
|
|
fn movement_input_to_velocity(&self, movement_input: Vector3<f64>, speed: f64) -> Vector3<f64> {
|
|
let yaw = f64::from(self.yaw.load()).to_radians();
|
|
|
|
let dist = movement_input.length_squared();
|
|
|
|
if dist < 1.0e-7 {
|
|
return Vector3::default();
|
|
}
|
|
|
|
let input = if dist > 1.0 {
|
|
movement_input.normalize()
|
|
} else {
|
|
movement_input * speed
|
|
};
|
|
|
|
let sin = yaw.sin();
|
|
|
|
let cos = yaw.cos();
|
|
|
|
Vector3::new(
|
|
input.x * cos - input.z * sin,
|
|
input.y,
|
|
input.z * cos + input.x * sin,
|
|
)
|
|
}
|
|
|
|
#[allow(clippy::float_cmp)]
|
|
async fn get_velocity_multiplier(&self) -> f32 {
|
|
let world = self.world.read().await;
|
|
|
|
let block = world.get_block(&self.block_pos.load()).await;
|
|
|
|
let m1 = block.velocity_multiplier;
|
|
|
|
if m1 != 1f32 || block == &Block::WATER || block == &Block::BUBBLE_COLUMN {
|
|
m1
|
|
} else {
|
|
let (_pos, block, _state) = self.get_block_with_y_offset(0.500_001).await;
|
|
|
|
block.velocity_multiplier
|
|
}
|
|
}
|
|
|
|
#[allow(clippy::float_cmp)]
|
|
async fn get_jump_velocity_multiplier(&self) -> f32 {
|
|
let world = self.world.read().await;
|
|
|
|
let f = world
|
|
.get_block(&self.block_pos.load())
|
|
.await
|
|
.jump_velocity_multiplier;
|
|
|
|
let g = self
|
|
.get_block_with_y_offset(0.500_001)
|
|
.await
|
|
.1
|
|
.jump_velocity_multiplier;
|
|
|
|
if f == 1f32 { g } else { f }
|
|
}
|
|
|
|
pub fn move_pos(&self, delta: Vector3<f64>) {
|
|
self.set_pos(self.pos.load() + delta);
|
|
}
|
|
|
|
// Move by a delta, adjust for collisions, and send
|
|
|
|
// Does not send movement. That must be done separately
|
|
|
|
async fn move_entity(&self, caller: Arc<dyn EntityBase>, mut motion: Vector3<f64>) {
|
|
// TODO: Player movement checking (anticheat)
|
|
|
|
if caller.get_player().is_some() {
|
|
return;
|
|
}
|
|
|
|
if self.no_clip.load(Ordering::Relaxed) {
|
|
self.move_pos(motion);
|
|
|
|
return;
|
|
}
|
|
|
|
let movement_multiplier = self.movement_multiplier.swap(Vector3::default());
|
|
|
|
if movement_multiplier.length_squared() > 1.0e-7 {
|
|
motion = motion.multiply(
|
|
movement_multiplier.x,
|
|
movement_multiplier.y,
|
|
movement_multiplier.z,
|
|
);
|
|
|
|
self.velocity.store(Vector3::default());
|
|
}
|
|
|
|
let final_move = self.adjust_movement_for_collisions(motion).await;
|
|
|
|
self.move_pos(final_move);
|
|
|
|
let velocity_multiplier = f64::from(self.get_velocity_multiplier().await);
|
|
|
|
self.velocity.store(final_move * velocity_multiplier);
|
|
|
|
if let Some(living) = caller.get_living_entity() {
|
|
living
|
|
.update_fall_distance(final_move.y, self.on_ground.load(Ordering::SeqCst), false)
|
|
.await;
|
|
}
|
|
}
|
|
|
|
pub async fn push_out_of_blocks(&self, center_pos: Vector3<f64>) {
|
|
let block_pos = BlockPos::floored_v(center_pos);
|
|
|
|
let delta = center_pos.sub(&block_pos.0.to_f64());
|
|
|
|
let mut min_dist = f64::MAX;
|
|
|
|
let mut direction = BlockDirection::Up;
|
|
|
|
for dir in BlockDirection::all() {
|
|
if dir == BlockDirection::Down {
|
|
continue;
|
|
}
|
|
|
|
let offset = dir.to_offset();
|
|
|
|
if self
|
|
.world
|
|
.read()
|
|
.await
|
|
.get_block_state(&block_pos.offset(offset))
|
|
.await
|
|
.is_full_cube()
|
|
{
|
|
continue;
|
|
}
|
|
|
|
let component = delta.get_axis(dir.to_axis().into());
|
|
|
|
let dist = if dir.positive() {
|
|
1.0 - component
|
|
} else {
|
|
component
|
|
};
|
|
|
|
if dist < min_dist {
|
|
min_dist = dist;
|
|
|
|
direction = dir;
|
|
}
|
|
}
|
|
|
|
let amplitude = rand::random::<f64>() * 0.2 + 0.1;
|
|
|
|
let axis = direction.to_axis().into();
|
|
|
|
let sign = if direction.positive() { 1.0 } else { -1.0 };
|
|
|
|
let mut velo = self.velocity.load();
|
|
|
|
velo = velo * 0.75;
|
|
|
|
velo.set_axis(axis, sign * amplitude);
|
|
|
|
self.velocity.store(velo);
|
|
}
|
|
|
|
async fn tick_portal(&self, caller: &Arc<dyn EntityBase>) {
|
|
if self.portal_cooldown.load(Ordering::Relaxed) > 0 {
|
|
self.portal_cooldown.fetch_sub(1, Ordering::Relaxed);
|
|
}
|
|
let mut manager_guard = self.portal_manager.lock().await;
|
|
// I know this is ugly, but a quick fix because i can't modify the thing while using it
|
|
let mut should_remove = false;
|
|
if let Some(pmanager_mutex) = manager_guard.as_ref() {
|
|
let mut portal_manager = pmanager_mutex.lock().await;
|
|
if portal_manager.tick() {
|
|
// reset cooldown
|
|
self.portal_cooldown
|
|
.store(self.default_portal_cooldown(), Ordering::Relaxed);
|
|
let pos = self.pos.load();
|
|
// TODO: this is bad
|
|
let scale_factor_new = if portal_manager.portal_world.dimension_type
|
|
== VanillaDimensionType::TheNether
|
|
{
|
|
8.0
|
|
} else {
|
|
1.0
|
|
};
|
|
// TODO: this is bad
|
|
let scale_factor_current =
|
|
if self.world.read().await.dimension_type == VanillaDimensionType::TheNether {
|
|
8.0
|
|
} else {
|
|
1.0
|
|
};
|
|
let scale_factor = scale_factor_current / scale_factor_new;
|
|
// TODO
|
|
let pos = BlockPos::floored(pos.x * scale_factor, pos.y, pos.z * scale_factor);
|
|
caller
|
|
.clone()
|
|
.teleport(
|
|
pos.0.to_f64(),
|
|
None,
|
|
None,
|
|
portal_manager.portal_world.clone(),
|
|
)
|
|
.await;
|
|
} else if portal_manager.ticks_in_portal == 0 {
|
|
should_remove = true;
|
|
}
|
|
}
|
|
if should_remove {
|
|
*manager_guard = None;
|
|
}
|
|
}
|
|
|
|
pub async fn try_use_portal(&self, portal_delay: u32, portal_world: Arc<World>, pos: BlockPos) {
|
|
if self.portal_cooldown.load(Ordering::Relaxed) > 0 {
|
|
self.portal_cooldown
|
|
.store(self.default_portal_cooldown(), Ordering::Relaxed);
|
|
return;
|
|
}
|
|
let mut manager = self.portal_manager.lock().await;
|
|
if manager.is_none() {
|
|
*manager = Some(Mutex::new(PortalManager::new(
|
|
portal_delay,
|
|
portal_world,
|
|
pos,
|
|
)));
|
|
} else if let Some(manager) = manager.as_ref() {
|
|
let mut manager = manager.lock().await;
|
|
manager.pos = pos;
|
|
manager.in_portal = true;
|
|
}
|
|
}
|
|
|
|
/// Extinguishes this entity.
|
|
pub fn extinguish(&self) {
|
|
self.fire_ticks.store(0, Ordering::Relaxed);
|
|
}
|
|
|
|
pub fn set_on_fire_for(&self, seconds: f32) {
|
|
self.set_on_fire_for_ticks((seconds * 20.0).floor() as u32);
|
|
}
|
|
|
|
pub fn set_on_fire_for_ticks(&self, ticks: u32) {
|
|
if self.fire_ticks.load(Ordering::Relaxed) < ticks as i32 {
|
|
self.fire_ticks.store(ticks as i32, Ordering::Relaxed);
|
|
}
|
|
// TODO: defrost
|
|
}
|
|
|
|
/// Sets the `Entity` yaw & pitch rotation
|
|
pub fn set_rotation(&self, yaw: f32, pitch: f32) {
|
|
// TODO
|
|
self.yaw.store(yaw);
|
|
self.set_pitch(pitch);
|
|
}
|
|
|
|
pub fn set_pitch(&self, pitch: f32) {
|
|
self.pitch.store(pitch.clamp(-90.0, 90.0) % 360.0);
|
|
}
|
|
|
|
/// Removes the `Entity` from their current `World`
|
|
pub async fn remove(&self) {
|
|
self.world.read().await.remove_entity(self).await;
|
|
}
|
|
|
|
pub fn create_spawn_packet(&self) -> CSpawnEntity {
|
|
let entity_loc = self.pos.load();
|
|
let entity_vel = self.velocity.load();
|
|
CSpawnEntity::new(
|
|
VarInt(self.entity_id),
|
|
self.entity_uuid,
|
|
VarInt(i32::from(self.entity_type.id)),
|
|
entity_loc,
|
|
self.pitch.load(),
|
|
self.yaw.load(),
|
|
self.head_yaw.load(), // todo: head_yaw and yaw are swapped, find out why
|
|
self.data.load(Relaxed).into(),
|
|
entity_vel,
|
|
)
|
|
}
|
|
pub fn width(&self) -> f32 {
|
|
self.bounding_box_size.load().width
|
|
}
|
|
|
|
pub fn height(&self) -> f32 {
|
|
self.bounding_box_size.load().height
|
|
}
|
|
|
|
/// Applies knockback to the entity, following vanilla Minecraft's mechanics.
|
|
///
|
|
/// This function calculates the entity's new velocity based on the specified knockback strength and direction.
|
|
pub fn knockback(&self, strength: f64, x: f64, z: f64) {
|
|
// This has some vanilla magic
|
|
let mut x = x;
|
|
let mut z = z;
|
|
while x.mul_add(x, z * z) < 1.0E-5 {
|
|
x = (rand::random::<f64>() - rand::random::<f64>()) * 0.01;
|
|
z = (rand::random::<f64>() - rand::random::<f64>()) * 0.01;
|
|
}
|
|
|
|
let var8 = Vector3::new(x, 0.0, z).normalize() * strength;
|
|
let velocity = self.velocity.load();
|
|
self.velocity.store(Vector3::new(
|
|
velocity.x / 2.0 - var8.x,
|
|
if self.on_ground.load(Relaxed) {
|
|
(velocity.y / 2.0 + strength).min(0.4)
|
|
} else {
|
|
velocity.y
|
|
},
|
|
velocity.z / 2.0 - var8.z,
|
|
));
|
|
}
|
|
|
|
pub async fn set_sneaking(&self, sneaking: bool) {
|
|
assert!(self.sneaking.load(Relaxed) != sneaking);
|
|
self.sneaking.store(sneaking, Relaxed);
|
|
self.set_flag(Flag::Sneaking, sneaking).await;
|
|
if sneaking {
|
|
self.set_pose(EntityPose::Crouching).await;
|
|
} else {
|
|
self.set_pose(EntityPose::Standing).await;
|
|
}
|
|
}
|
|
|
|
pub async fn set_on_fire(&self, on_fire: bool) {
|
|
if self.has_visual_fire.load(Ordering::Relaxed) != on_fire {
|
|
self.has_visual_fire.store(on_fire, Ordering::Relaxed);
|
|
self.set_flag(Flag::OnFire, on_fire).await;
|
|
}
|
|
}
|
|
|
|
pub fn get_horizontal_facing(&self) -> HorizontalFacing {
|
|
let adjusted_yaw = self.yaw.load().rem_euclid(360.0); // Normalize yaw to [0, 360)
|
|
|
|
match adjusted_yaw {
|
|
0.0..=45.0 | 315.0..=360.0 => HorizontalFacing::South,
|
|
45.0..=135.0 => HorizontalFacing::West,
|
|
135.0..=225.0 => HorizontalFacing::North,
|
|
225.0..=315.0 => HorizontalFacing::East,
|
|
_ => HorizontalFacing::South, // Default case, should not occur
|
|
}
|
|
}
|
|
|
|
pub fn get_rotation_16(&self) -> Integer0To15 {
|
|
let adjusted_yaw = self.yaw.load().rem_euclid(360.0);
|
|
|
|
let index = (adjusted_yaw / 22.5).round() as u8 % 16;
|
|
|
|
match index {
|
|
0 => Integer0To15::L0,
|
|
1 => Integer0To15::L1,
|
|
2 => Integer0To15::L2,
|
|
3 => Integer0To15::L3,
|
|
4 => Integer0To15::L4,
|
|
5 => Integer0To15::L5,
|
|
6 => Integer0To15::L6,
|
|
7 => Integer0To15::L7,
|
|
8 => Integer0To15::L8,
|
|
9 => Integer0To15::L9,
|
|
10 => Integer0To15::L10,
|
|
11 => Integer0To15::L11,
|
|
12 => Integer0To15::L12,
|
|
13 => Integer0To15::L13,
|
|
14 => Integer0To15::L14,
|
|
_ => Integer0To15::L15,
|
|
}
|
|
}
|
|
|
|
pub fn get_flipped_rotation_16(&self) -> Integer0To15 {
|
|
match self.get_rotation_16() {
|
|
Integer0To15::L0 => Integer0To15::L8,
|
|
Integer0To15::L1 => Integer0To15::L9,
|
|
Integer0To15::L2 => Integer0To15::L10,
|
|
Integer0To15::L3 => Integer0To15::L11,
|
|
Integer0To15::L4 => Integer0To15::L12,
|
|
Integer0To15::L5 => Integer0To15::L13,
|
|
Integer0To15::L6 => Integer0To15::L14,
|
|
Integer0To15::L7 => Integer0To15::L15,
|
|
Integer0To15::L8 => Integer0To15::L0,
|
|
Integer0To15::L9 => Integer0To15::L1,
|
|
Integer0To15::L10 => Integer0To15::L2,
|
|
Integer0To15::L11 => Integer0To15::L3,
|
|
Integer0To15::L12 => Integer0To15::L4,
|
|
Integer0To15::L13 => Integer0To15::L5,
|
|
Integer0To15::L14 => Integer0To15::L6,
|
|
Integer0To15::L15 => Integer0To15::L7,
|
|
}
|
|
}
|
|
|
|
pub fn get_facing(&self) -> Facing {
|
|
let pitch = self.pitch.load().to_radians();
|
|
let yaw = -self.yaw.load().to_radians();
|
|
|
|
let (sin_p, cos_p) = pitch.sin_cos();
|
|
let (sin_y, cos_y) = yaw.sin_cos();
|
|
|
|
let x = sin_y * cos_p;
|
|
let y = -sin_p;
|
|
let z = cos_y * cos_p;
|
|
|
|
let ax = x.abs();
|
|
let ay = y.abs();
|
|
let az = z.abs();
|
|
|
|
if ax > ay && ax > az {
|
|
if x > 0.0 { Facing::East } else { Facing::West }
|
|
} else if ay > ax && ay > az {
|
|
if y > 0.0 { Facing::Up } else { Facing::Down }
|
|
} else if z > 0.0 {
|
|
Facing::South
|
|
} else {
|
|
Facing::North
|
|
}
|
|
}
|
|
|
|
pub fn get_entity_facing_order(&self) -> [Facing; 6] {
|
|
let pitch = self.pitch.load().to_radians();
|
|
let yaw = -self.yaw.load().to_radians();
|
|
|
|
let sin_p = pitch.sin();
|
|
let cos_p = pitch.cos();
|
|
let sin_y = yaw.sin();
|
|
let cos_y = yaw.cos();
|
|
|
|
let east_west = if sin_y > 0.0 {
|
|
Facing::East
|
|
} else {
|
|
Facing::West
|
|
};
|
|
let up_down = if sin_p < 0.0 {
|
|
Facing::Up
|
|
} else {
|
|
Facing::Down
|
|
};
|
|
let south_north = if cos_y > 0.0 {
|
|
Facing::South
|
|
} else {
|
|
Facing::North
|
|
};
|
|
|
|
let x_axis = sin_y.abs();
|
|
let y_axis = sin_p.abs();
|
|
let z_axis = cos_y.abs();
|
|
let x_weight = x_axis * cos_p;
|
|
let z_weight = z_axis * cos_p;
|
|
|
|
let (first, second, third) = if x_axis > z_axis {
|
|
if y_axis > x_weight {
|
|
(up_down, east_west, south_north)
|
|
} else if z_weight > y_axis {
|
|
(east_west, south_north, up_down)
|
|
} else {
|
|
(east_west, up_down, south_north)
|
|
}
|
|
} else if y_axis > z_weight {
|
|
(up_down, south_north, east_west)
|
|
} else if x_weight > y_axis {
|
|
(south_north, east_west, up_down)
|
|
} else {
|
|
(south_north, up_down, east_west)
|
|
};
|
|
|
|
[
|
|
first,
|
|
second,
|
|
third,
|
|
third.opposite(),
|
|
second.opposite(),
|
|
first.opposite(),
|
|
]
|
|
}
|
|
|
|
pub async fn set_sprinting(&self, sprinting: bool) {
|
|
assert!(self.sprinting.load(Relaxed) != sprinting);
|
|
self.sprinting.store(sprinting, Relaxed);
|
|
self.set_flag(Flag::Sprinting, sprinting).await;
|
|
}
|
|
|
|
pub fn check_fall_flying(&self) -> bool {
|
|
!self.on_ground.load(Relaxed)
|
|
}
|
|
|
|
pub async fn set_fall_flying(&self, fall_flying: bool) {
|
|
assert!(self.fall_flying.load(Relaxed) != fall_flying);
|
|
self.fall_flying.store(fall_flying, Relaxed);
|
|
self.set_flag(Flag::FallFlying, fall_flying).await;
|
|
}
|
|
|
|
async fn set_flag(&self, flag: Flag, value: bool) {
|
|
let index = flag as u8;
|
|
let mut b = 0i8;
|
|
if value {
|
|
b |= 1 << index;
|
|
} else {
|
|
b &= !(1 << index);
|
|
}
|
|
self.send_meta_data(&[Metadata::new(0, MetaDataType::Byte, b)])
|
|
.await;
|
|
}
|
|
|
|
/// Plays sound at this entity's position with the entity's sound category
|
|
pub async fn play_sound(&self, sound: Sound) {
|
|
self.world
|
|
.read()
|
|
.await
|
|
.play_sound(sound, SoundCategory::Neutral, &self.pos.load())
|
|
.await;
|
|
}
|
|
|
|
pub async fn send_meta_data<T: Serialize>(&self, meta: &[Metadata<T>]) {
|
|
let mut buf = Vec::new();
|
|
for meta in meta {
|
|
let mut serializer_buf = Vec::new();
|
|
let mut serializer = Serializer::new(&mut serializer_buf);
|
|
meta.serialize(&mut serializer).unwrap();
|
|
buf.extend(serializer_buf);
|
|
}
|
|
buf.put_u8(255);
|
|
self.world
|
|
.read()
|
|
.await
|
|
.broadcast_packet_all(&CSetEntityMetadata::new(self.entity_id.into(), buf.into()))
|
|
.await;
|
|
}
|
|
|
|
pub async fn set_pose(&self, pose: EntityPose) {
|
|
self.pose.store(pose);
|
|
let pose = pose as i32;
|
|
self.send_meta_data(&[Metadata::new(6, MetaDataType::EntityPose, VarInt(pose))])
|
|
.await;
|
|
}
|
|
|
|
pub fn is_invulnerable_to(&self, damage_type: &DamageType) -> bool {
|
|
*damage_type != DamageType::GENERIC_KILL
|
|
&& (self.invulnerable.load(Relaxed) || self.damage_immunities.contains(damage_type))
|
|
}
|
|
|
|
pub async fn check_block_collision(entity: &dyn EntityBase, server: &Server) {
|
|
let aabb = entity.get_entity().bounding_box.load();
|
|
let blockpos = BlockPos::new(
|
|
(aabb.min.x + 0.001).floor() as i32,
|
|
(aabb.min.y + 0.001).floor() as i32,
|
|
(aabb.min.z + 0.001).floor() as i32,
|
|
);
|
|
let blockpos1 = BlockPos::new(
|
|
(aabb.max.x - 0.001).floor() as i32,
|
|
(aabb.max.y - 0.001).floor() as i32,
|
|
(aabb.max.z - 0.001).floor() as i32,
|
|
);
|
|
let world = entity.get_entity().world.read().await;
|
|
|
|
for x in blockpos.0.x..=blockpos1.0.x {
|
|
for y in blockpos.0.y..=blockpos1.0.y {
|
|
for z in blockpos.0.z..=blockpos1.0.z {
|
|
let pos = BlockPos::new(x, y, z);
|
|
let (block, state) = world.get_block_and_state(&pos).await;
|
|
let block_outlines = state.get_block_outline_shapes();
|
|
|
|
if let Some(outlines) = block_outlines {
|
|
if outlines.is_empty() {
|
|
world
|
|
.block_registry
|
|
.on_entity_collision(block, &world, entity, &pos, state, server)
|
|
.await;
|
|
let fluid = world.get_fluid(&pos).await;
|
|
world
|
|
.block_registry
|
|
.on_entity_collision_fluid(fluid, entity)
|
|
.await;
|
|
continue;
|
|
}
|
|
for outline in outlines {
|
|
let outline_aabb = outline.at_pos(pos);
|
|
if outline_aabb.intersects(&aabb) {
|
|
world
|
|
.block_registry
|
|
.on_entity_collision(block, &world, entity, &pos, state, server)
|
|
.await;
|
|
let fluid = world.get_fluid(&pos).await;
|
|
world
|
|
.block_registry
|
|
.on_entity_collision_fluid(fluid, entity)
|
|
.await;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
world
|
|
.block_registry
|
|
.on_entity_collision(block, &world, entity, &pos, state, server)
|
|
.await;
|
|
let fluid = world.get_fluid(&pos).await;
|
|
world
|
|
.block_registry
|
|
.on_entity_collision_fluid(fluid, entity)
|
|
.await;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
async fn teleport(
|
|
&self,
|
|
position: Vector3<f64>,
|
|
yaw: Option<f32>,
|
|
pitch: Option<f32>,
|
|
_world: Arc<World>,
|
|
) {
|
|
// TODO: handle world change
|
|
self.world
|
|
.read()
|
|
.await
|
|
.broadcast_packet_all(&CEntityPositionSync::new(
|
|
self.entity_id.into(),
|
|
position,
|
|
Vector3::new(0.0, 0.0, 0.0),
|
|
yaw.unwrap_or(0.0),
|
|
pitch.unwrap_or(0.0),
|
|
self.on_ground.load(Ordering::SeqCst),
|
|
))
|
|
.await;
|
|
}
|
|
|
|
pub fn get_eye_y(&self) -> f64 {
|
|
self.pos.load().y + f64::from(self.standing_eye_height)
|
|
}
|
|
|
|
pub fn is_removed(&self) -> bool {
|
|
self.removal_reason.load().is_some()
|
|
}
|
|
|
|
pub fn is_alive(&self) -> bool {
|
|
!self.is_removed()
|
|
}
|
|
|
|
pub async fn has_passengers(&self) -> bool {
|
|
!self.passengers.lock().await.is_empty()
|
|
}
|
|
|
|
pub async fn has_vehicle(&self) -> bool {
|
|
let vehicle = self.vehicle.lock().await;
|
|
vehicle.is_some()
|
|
}
|
|
|
|
pub async fn check_out_of_world(&self, dyn_self: &dyn EntityBase) {
|
|
if self.pos.load().y
|
|
< f64::from(self.world.read().await.generation_settings().shape.min_y) - 64.0
|
|
{
|
|
// Tick out of world damage
|
|
dyn_self.damage(4.0, DamageType::OUT_OF_WORLD).await;
|
|
}
|
|
}
|
|
|
|
#[allow(clippy::unused_async)]
|
|
pub async fn reset_state(&self) {
|
|
self.pose.store(EntityPose::Standing);
|
|
self.fall_flying.store(false, Relaxed);
|
|
}
|
|
}
|
|
|
|
#[async_trait]
|
|
impl NBTStorage for Entity {
|
|
async fn write_nbt(&self, nbt: &mut NbtCompound) {
|
|
let position = self.pos.load();
|
|
nbt.put_string(
|
|
"id",
|
|
format!("minecraft:{}", self.entity_type.resource_name),
|
|
);
|
|
let uuid = self.entity_uuid.as_u128();
|
|
nbt.put(
|
|
"UUID",
|
|
NbtTag::IntArray(vec![
|
|
(uuid >> 96) as i32,
|
|
((uuid >> 64) & 0xFFFF_FFFF) as i32,
|
|
((uuid >> 32) & 0xFFFF_FFFF) as i32,
|
|
(uuid & 0xFFFF_FFFF) as i32,
|
|
]),
|
|
);
|
|
nbt.put(
|
|
"Pos",
|
|
NbtTag::List(vec![
|
|
position.x.into(),
|
|
position.y.into(),
|
|
position.z.into(),
|
|
]),
|
|
);
|
|
let velocity = self.velocity.load();
|
|
nbt.put(
|
|
"Motion",
|
|
NbtTag::List(vec![
|
|
velocity.x.into(),
|
|
velocity.y.into(),
|
|
velocity.z.into(),
|
|
]),
|
|
);
|
|
nbt.put(
|
|
"Rotation",
|
|
NbtTag::List(vec![self.yaw.load().into(), self.pitch.load().into()]),
|
|
);
|
|
nbt.put_short("Fire", self.fire_ticks.load(Relaxed) as i16);
|
|
nbt.put_bool("OnGround", self.on_ground.load(Relaxed));
|
|
nbt.put_bool("Invulnerable", self.invulnerable.load(Relaxed));
|
|
nbt.put_int("PortalCooldown", self.portal_cooldown.load(Relaxed) as i32);
|
|
if self.has_visual_fire.load(Relaxed) {
|
|
nbt.put_bool("HasVisualFire", true);
|
|
}
|
|
|
|
// todo more...
|
|
}
|
|
|
|
async fn read_nbt_non_mut(&self, nbt: &NbtCompound) {
|
|
let position = nbt.get_list("Pos").unwrap();
|
|
let x = position[0].extract_double().unwrap_or(0.0);
|
|
let y = position[1].extract_double().unwrap_or(0.0);
|
|
let z = position[2].extract_double().unwrap_or(0.0);
|
|
let pos = Vector3::new(x, y, z);
|
|
self.set_pos(pos);
|
|
self.first_loaded_chunk_position.store(Some(pos.to_i32()));
|
|
let velocity = nbt.get_list("Motion").unwrap();
|
|
let x = velocity[0].extract_double().unwrap_or(0.0);
|
|
let y = velocity[1].extract_double().unwrap_or(0.0);
|
|
let z = velocity[2].extract_double().unwrap_or(0.0);
|
|
self.velocity.store(Vector3::new(x, y, z));
|
|
let rotation = nbt.get_list("Rotation").unwrap();
|
|
let yaw = rotation[0].extract_float().unwrap_or(0.0);
|
|
let pitch = rotation[1].extract_float().unwrap_or(0.0);
|
|
self.set_rotation(yaw, pitch);
|
|
self.head_yaw.store(yaw);
|
|
self.fire_ticks
|
|
.store(i32::from(nbt.get_short("Fire").unwrap_or(0)), Relaxed);
|
|
self.on_ground
|
|
.store(nbt.get_bool("OnGround").unwrap_or(false), Relaxed);
|
|
self.invulnerable
|
|
.store(nbt.get_bool("Invulnerable").unwrap_or(false), Relaxed);
|
|
self.portal_cooldown
|
|
.store(nbt.get_int("PortalCooldown").unwrap_or(0) as u32, Relaxed);
|
|
self.has_visual_fire
|
|
.store(nbt.get_bool("HasVisualFire").unwrap_or(false), Relaxed);
|
|
// todo more...
|
|
}
|
|
}
|
|
|
|
#[async_trait]
|
|
impl EntityBase for Entity {
|
|
async fn damage_with_context(
|
|
&self,
|
|
_amount: f32,
|
|
_damage_type: DamageType,
|
|
_position: Option<Vector3<f64>>,
|
|
_source: Option<&dyn EntityBase>,
|
|
_cause: Option<&dyn EntityBase>,
|
|
) -> bool {
|
|
false
|
|
}
|
|
|
|
async fn tick(&self, caller: Arc<dyn EntityBase>, _server: &Server) {
|
|
self.tick_portal(&caller).await;
|
|
self.update_fluid_state(&caller).await;
|
|
self.check_out_of_world(&*caller).await;
|
|
let fire_ticks = self.fire_ticks.load(Ordering::Relaxed);
|
|
if fire_ticks > 0 {
|
|
if self.entity_type.fire_immune {
|
|
self.fire_ticks.store(fire_ticks - 4, Ordering::Relaxed);
|
|
if self.fire_ticks.load(Ordering::Relaxed) < 0 {
|
|
self.extinguish();
|
|
}
|
|
} else {
|
|
if fire_ticks % 20 == 0 {
|
|
caller.damage(1.0, DamageType::ON_FIRE).await;
|
|
}
|
|
|
|
self.fire_ticks.store(fire_ticks - 1, Ordering::Relaxed);
|
|
}
|
|
}
|
|
self.set_on_fire(self.fire_ticks.load(Ordering::Relaxed) > 0)
|
|
.await;
|
|
// TODO: Tick
|
|
}
|
|
|
|
async fn teleport(
|
|
self: Arc<Self>,
|
|
position: Vector3<f64>,
|
|
yaw: Option<f32>,
|
|
pitch: Option<f32>,
|
|
world: Arc<World>,
|
|
) {
|
|
// TODO: handle world change
|
|
self.teleport(position, yaw, pitch, world).await;
|
|
}
|
|
|
|
fn get_entity(&self) -> &Entity {
|
|
self
|
|
}
|
|
|
|
fn get_living_entity(&self) -> Option<&LivingEntity> {
|
|
None
|
|
}
|
|
|
|
fn as_nbt_storage(&self) -> &dyn NBTStorage {
|
|
self
|
|
}
|
|
}
|
|
|
|
#[async_trait]
|
|
pub trait NBTStorage: Send + Sync {
|
|
async fn write_nbt(&self, _nbt: &mut NbtCompound) {}
|
|
|
|
async fn read_nbt(&mut self, nbt: &mut NbtCompound) {
|
|
self.read_nbt_non_mut(nbt).await;
|
|
}
|
|
|
|
async fn read_nbt_non_mut(&self, _nbt: &NbtCompound) {}
|
|
}
|
|
|
|
#[async_trait]
|
|
pub trait NBTStorageInit: Send + Sync + Sized {
|
|
/// Creates an instance of the type from NBT data. If the NBT data is invalid or cannot be parsed, it returns `None`.
|
|
async fn create_from_nbt(_nbt: &mut NbtCompound) -> Option<Self> {
|
|
None
|
|
}
|
|
}
|
|
|
|
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
|
|
/// Represents various entity flags that are sent in entity metadata.
|
|
///
|
|
/// These flags are used by the client to modify the rendering of entities based on their current state.
|
|
///
|
|
/// **Purpose:**
|
|
///
|
|
/// This enum provides a more type-safe and readable way to represent entity flags compared to using raw integer values.
|
|
pub enum Flag {
|
|
/// Indicates if the entity is on fire.
|
|
OnFire = 0,
|
|
/// Indicates if the entity is sneaking.
|
|
Sneaking = 1,
|
|
/// Indicates if the entity is sprinting.
|
|
Sprinting = 3,
|
|
/// Indicates if the entity is swimming.
|
|
Swimming = 4,
|
|
/// Indicates if the entity is invisible.
|
|
Invisible = 5,
|
|
/// Indicates if the entity is glowing.
|
|
Glowing = 6,
|
|
/// Indicates if the entity is flying due to a fall.
|
|
FallFlying = 7,
|
|
}
|