985 lines
29 KiB
Rust
985 lines
29 KiB
Rust
// Copyright 2016 Matthew Collins
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use crate::format;
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use crate::item;
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use crate::nbt;
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use crate::protocol;
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use crate::protocol::LenPrefixed;
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use crate::protocol::Serializable;
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use crate::shared::Position;
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use std::collections::HashMap;
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use std::fmt;
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use std::io;
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use std::marker::PhantomData;
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pub struct MetadataKey<T: MetaValue> {
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index: i32,
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ty: PhantomData<T>,
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}
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impl<T: MetaValue> MetadataKey<T> {
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#[allow(dead_code)]
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fn new(index: i32) -> MetadataKey<T> {
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MetadataKey {
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index,
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ty: PhantomData,
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}
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}
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}
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pub struct Metadata {
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map: HashMap<i32, Value>,
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}
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impl Metadata {
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pub fn new() -> Metadata {
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Metadata {
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map: HashMap::new(),
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}
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}
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pub fn get<T: MetaValue>(&self, key: &MetadataKey<T>) -> Option<&T> {
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self.map.get(&key.index).map(T::unwrap)
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}
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pub fn put<T: MetaValue>(&mut self, key: &MetadataKey<T>, val: T) {
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self.map.insert(key.index, val.wrap());
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}
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fn put_raw<T: MetaValue>(&mut self, index: i32, val: T) {
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self.map.insert(index, val.wrap());
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}
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fn read_from18<R: io::Read>(buf: &mut R) -> Result<Self, protocol::Error> {
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let mut m = Self::new();
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loop {
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let ty_index = u8::read_from(buf)? as i32;
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if ty_index == 0x7f {
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break;
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}
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let index = ty_index & 0x1f;
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let ty = ty_index >> 5;
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match ty {
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0 => m.put_raw(index, i8::read_from(buf)?),
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1 => m.put_raw(index, i16::read_from(buf)?),
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2 => m.put_raw(index, i32::read_from(buf)?),
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3 => m.put_raw(index, f32::read_from(buf)?),
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4 => m.put_raw(index, String::read_from(buf)?),
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5 => m.put_raw(index, Option::<item::Stack>::read_from(buf)?),
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6 => m.put_raw(
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index,
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[
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i32::read_from(buf)?,
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i32::read_from(buf)?,
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i32::read_from(buf)?,
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],
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),
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7 => m.put_raw(
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index,
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[
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f32::read_from(buf)?,
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f32::read_from(buf)?,
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f32::read_from(buf)?,
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],
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),
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_ => return Err(protocol::Error::Err("unknown metadata type".to_owned())),
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}
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}
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Ok(m)
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}
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fn write_to18<W: io::Write>(&self, buf: &mut W) -> Result<(), protocol::Error> {
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for (k, v) in &self.map {
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if (*k as u8) > 0x1f {
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panic!("write metadata index {:x} > 0x1f", *k as u8);
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}
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let ty_index: u8 = *k as u8;
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const TYPE_SHIFT: usize = 5;
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match *v {
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Value::Byte(ref val) => {
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u8::write_to(&(ty_index | (0 << TYPE_SHIFT)), buf)?;
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val.write_to(buf)?;
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}
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Value::Short(ref val) => {
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u8::write_to(&(ty_index | (1 << TYPE_SHIFT)), buf)?;
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val.write_to(buf)?;
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}
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Value::Int(ref val) => {
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u8::write_to(&(ty_index | (2 << TYPE_SHIFT)), buf)?;
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val.write_to(buf)?;
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}
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Value::Float(ref val) => {
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u8::write_to(&(ty_index | (3 << TYPE_SHIFT)), buf)?;
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val.write_to(buf)?;
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}
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Value::String(ref val) => {
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u8::write_to(&(ty_index | (4 << TYPE_SHIFT)), buf)?;
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val.write_to(buf)?;
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}
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Value::OptionalItemStack(ref val) => {
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u8::write_to(&(ty_index | (5 << TYPE_SHIFT)), buf)?;
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val.write_to(buf)?;
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}
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Value::Vector(ref val) => {
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u8::write_to(&(ty_index | (6 << TYPE_SHIFT)), buf)?;
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val[0].write_to(buf)?;
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val[1].write_to(buf)?;
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val[2].write_to(buf)?;
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}
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Value::Rotation(ref val) => {
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u8::write_to(&(ty_index | (7 << TYPE_SHIFT)), buf)?;
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val[0].write_to(buf)?;
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val[1].write_to(buf)?;
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val[2].write_to(buf)?;
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}
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_ => {
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panic!("attempted to write 1.9+ metadata to 1.8");
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}
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}
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}
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u8::write_to(&0x7f, buf)?;
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Ok(())
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}
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fn read_from19<R: io::Read>(buf: &mut R) -> Result<Self, protocol::Error> {
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let mut m = Self::new();
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loop {
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let index = u8::read_from(buf)? as i32;
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if index == 0xFF {
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break;
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}
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let ty = protocol::VarInt::read_from(buf)?.0;
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match ty {
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0 => m.put_raw(index, i8::read_from(buf)?),
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1 => m.put_raw(index, protocol::VarInt::read_from(buf)?.0),
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2 => m.put_raw(index, f32::read_from(buf)?),
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3 => m.put_raw(index, String::read_from(buf)?),
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4 => m.put_raw(index, format::Component::read_from(buf)?),
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5 => m.put_raw(index, Option::<item::Stack>::read_from(buf)?),
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6 => m.put_raw(index, bool::read_from(buf)?),
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7 => m.put_raw(
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index,
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[
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f32::read_from(buf)?,
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f32::read_from(buf)?,
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f32::read_from(buf)?,
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],
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),
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8 => m.put_raw(index, Position::read_from(buf)?),
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9 => {
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if bool::read_from(buf)? {
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m.put_raw(index, Option::<Position>::read_from(buf)?);
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} else {
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m.put_raw::<Option<Position>>(index, None);
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}
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}
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10 => m.put_raw(index, protocol::VarInt::read_from(buf)?),
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11 => {
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if bool::read_from(buf)? {
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m.put_raw(index, Option::<protocol::UUID>::read_from(buf)?);
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} else {
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m.put_raw::<Option<protocol::UUID>>(index, None);
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}
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}
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12 => m.put_raw(index, protocol::VarInt::read_from(buf)?.0 as u16),
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13 => {
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let ty = u8::read_from(buf)?;
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if ty != 0 {
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let name = nbt::read_string(buf)?;
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let tag = nbt::Tag::read_from(buf)?;
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m.put_raw(index, nbt::NamedTag(name, tag));
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}
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}
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_ => return Err(protocol::Error::Err("unknown metadata type".to_owned())),
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}
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}
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Ok(m)
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}
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fn write_to19<W: io::Write>(&self, buf: &mut W) -> Result<(), protocol::Error> {
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for (k, v) in &self.map {
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(*k as u8).write_to(buf)?;
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match *v {
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Value::Byte(ref val) => {
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u8::write_to(&0, buf)?;
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val.write_to(buf)?;
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}
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Value::Int(ref val) => {
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u8::write_to(&1, buf)?;
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protocol::VarInt(*val).write_to(buf)?;
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}
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Value::Float(ref val) => {
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u8::write_to(&2, buf)?;
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val.write_to(buf)?;
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}
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Value::String(ref val) => {
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u8::write_to(&3, buf)?;
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val.write_to(buf)?;
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}
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Value::FormatComponent(ref val) => {
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u8::write_to(&4, buf)?;
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val.write_to(buf)?;
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}
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Value::OptionalItemStack(ref val) => {
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u8::write_to(&5, buf)?;
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val.write_to(buf)?;
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}
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Value::Bool(ref val) => {
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u8::write_to(&6, buf)?;
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val.write_to(buf)?;
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}
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Value::Vector(ref val) => {
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u8::write_to(&7, buf)?;
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val[0].write_to(buf)?;
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val[1].write_to(buf)?;
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val[2].write_to(buf)?;
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}
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Value::Position(ref val) => {
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u8::write_to(&8, buf)?;
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val.write_to(buf)?;
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}
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Value::OptionalPosition(ref val) => {
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u8::write_to(&9, buf)?;
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val.is_some().write_to(buf)?;
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val.write_to(buf)?;
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}
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Value::Direction(ref val) => {
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u8::write_to(&10, buf)?;
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val.write_to(buf)?;
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}
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Value::OptionalUUID(ref val) => {
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u8::write_to(&11, buf)?;
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val.is_some().write_to(buf)?;
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val.write_to(buf)?;
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}
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Value::Block(ref val) => {
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u8::write_to(&11, buf)?;
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protocol::VarInt(*val as i32).write_to(buf)?;
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}
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Value::NBTTag(ref _val) => {
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u8::write_to(&13, buf)?;
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// TODO: write NBT tags metadata
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//nbt::Tag(*val).write_to(buf)?;
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}
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_ => panic!("unexpected metadata"),
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}
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}
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u8::write_to(&0xFF, buf)?;
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Ok(())
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}
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fn read_from113<R: io::Read>(buf: &mut R) -> Result<Self, protocol::Error> {
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let mut m = Self::new();
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loop {
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let index = u8::read_from(buf)? as i32;
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if index == 0xFF {
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break;
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}
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let ty = protocol::VarInt::read_from(buf)?.0;
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match ty {
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0 => m.put_raw(index, i8::read_from(buf)?),
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1 => m.put_raw(index, protocol::VarInt::read_from(buf)?.0),
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2 => m.put_raw(index, f32::read_from(buf)?),
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3 => m.put_raw(index, String::read_from(buf)?),
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4 => m.put_raw(index, format::Component::read_from(buf)?),
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5 => m.put_raw(
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index,
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LenPrefixed::<bool, format::Component>::read_from(buf)?,
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),
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6 => m.put_raw(index, Option::<item::Stack>::read_from(buf)?),
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7 => m.put_raw(index, bool::read_from(buf)?),
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8 => m.put_raw(
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index,
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[
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f32::read_from(buf)?,
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f32::read_from(buf)?,
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f32::read_from(buf)?,
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],
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),
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9 => m.put_raw(index, Position::read_from(buf)?),
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10 => {
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if bool::read_from(buf)? {
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m.put_raw(index, Option::<Position>::read_from(buf)?);
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} else {
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m.put_raw::<Option<Position>>(index, None);
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}
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}
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11 => m.put_raw(index, protocol::VarInt::read_from(buf)?),
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12 => {
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if bool::read_from(buf)? {
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m.put_raw(index, Option::<protocol::UUID>::read_from(buf)?);
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} else {
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m.put_raw::<Option<protocol::UUID>>(index, None);
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}
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}
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13 => m.put_raw(index, protocol::VarInt::read_from(buf)?.0 as u16),
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14 => {
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let ty = u8::read_from(buf)?;
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if ty != 0 {
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let name = nbt::read_string(buf)?;
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let tag = nbt::Tag::read_from(buf)?;
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m.put_raw(index, nbt::NamedTag(name, tag));
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}
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}
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15 => panic!("TODO: particle"),
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16 => m.put_raw(index, VillagerData::read_from(buf)?),
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17 => {
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if bool::read_from(buf)? {
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m.put_raw(index, Option::<protocol::VarInt>::read_from(buf)?);
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} else {
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m.put_raw::<Option<protocol::VarInt>>(index, None);
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}
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}
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18 => m.put_raw(index, PoseData::read_from(buf)?),
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_ => return Err(protocol::Error::Err("unknown metadata type".to_owned())),
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}
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}
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Ok(m)
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}
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fn write_to113<W: io::Write>(&self, buf: &mut W) -> Result<(), protocol::Error> {
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for (k, v) in &self.map {
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(*k as u8).write_to(buf)?;
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match *v {
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Value::Byte(ref val) => {
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u8::write_to(&0, buf)?;
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val.write_to(buf)?;
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}
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Value::Int(ref val) => {
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u8::write_to(&1, buf)?;
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protocol::VarInt(*val).write_to(buf)?;
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}
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Value::Float(ref val) => {
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u8::write_to(&2, buf)?;
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val.write_to(buf)?;
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}
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Value::String(ref val) => {
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u8::write_to(&3, buf)?;
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val.write_to(buf)?;
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}
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Value::FormatComponent(ref val) => {
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u8::write_to(&4, buf)?;
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val.write_to(buf)?;
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}
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Value::OptionalFormatComponent(ref val) => {
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u8::write_to(&5, buf)?;
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val.write_to(buf)?;
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}
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Value::OptionalItemStack(ref val) => {
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u8::write_to(&6, buf)?;
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val.write_to(buf)?;
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}
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Value::Bool(ref val) => {
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u8::write_to(&7, buf)?;
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val.write_to(buf)?;
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}
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Value::Vector(ref val) => {
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u8::write_to(&8, buf)?;
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val[0].write_to(buf)?;
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val[1].write_to(buf)?;
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val[2].write_to(buf)?;
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}
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Value::Position(ref val) => {
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u8::write_to(&9, buf)?;
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val.write_to(buf)?;
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}
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Value::OptionalPosition(ref val) => {
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u8::write_to(&10, buf)?;
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val.is_some().write_to(buf)?;
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val.write_to(buf)?;
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}
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Value::Direction(ref val) => {
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u8::write_to(&11, buf)?;
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val.write_to(buf)?;
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}
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Value::OptionalUUID(ref val) => {
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u8::write_to(&12, buf)?;
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val.is_some().write_to(buf)?;
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val.write_to(buf)?;
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}
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Value::Block(ref val) => {
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u8::write_to(&13, buf)?;
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protocol::VarInt(*val as i32).write_to(buf)?;
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}
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Value::NBTTag(ref _val) => {
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u8::write_to(&14, buf)?;
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// TODO: write NBT tags metadata
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//nbt::Tag(*val).write_to(buf)?;
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}
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Value::Particle(ref val) => {
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u8::write_to(&15, buf)?;
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val.write_to(buf)?;
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}
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Value::Villager(ref val) => {
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u8::write_to(&16, buf)?;
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val.write_to(buf)?;
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}
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Value::OptionalVarInt(ref val) => {
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u8::write_to(&17, buf)?;
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val.write_to(buf)?;
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}
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Value::Pose(ref val) => {
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u8::write_to(&18, buf)?;
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val.write_to(buf)?;
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}
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_ => panic!("unexpected metadata"),
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}
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}
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u8::write_to(&0xFF, buf)?;
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Ok(())
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}
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}
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|
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impl Serializable for Metadata {
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fn read_from<R: io::Read>(buf: &mut R) -> Result<Self, protocol::Error> {
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let protocol_version = protocol::current_protocol_version();
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if protocol_version >= 404 {
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Metadata::read_from113(buf)
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} else if protocol_version >= 74 {
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Metadata::read_from19(buf)
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} else {
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Metadata::read_from18(buf)
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}
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}
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fn write_to<W: io::Write>(&self, buf: &mut W) -> Result<(), protocol::Error> {
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let protocol_version = protocol::current_protocol_version();
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if protocol_version >= 404 {
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self.write_to113(buf)
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} else if protocol_version >= 74 {
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self.write_to19(buf)
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} else {
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self.write_to18(buf)
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}
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}
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}
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|
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impl fmt::Debug for Metadata {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "Metadata[ ")?;
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for (k, v) in &self.map {
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write!(f, "{:?}={:?}, ", k, v)?;
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}
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write!(f, "]")
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}
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}
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|
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impl Default for Metadata {
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fn default() -> Metadata {
|
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Metadata::new()
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}
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}
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|
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#[derive(Debug)]
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pub enum Value {
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Byte(i8),
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Short(i16),
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Int(i32),
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Float(f32),
|
|
String(String),
|
|
FormatComponent(format::Component),
|
|
OptionalFormatComponent(LenPrefixed<bool, format::Component>),
|
|
OptionalItemStack(Option<item::Stack>),
|
|
Bool(bool),
|
|
Vector([f32; 3]),
|
|
Rotation([i32; 3]),
|
|
Position(Position),
|
|
OptionalPosition(Option<Position>),
|
|
Direction(protocol::VarInt), // TODO: Proper type
|
|
OptionalUUID(Option<protocol::UUID>),
|
|
Block(u16), // TODO: Proper type
|
|
NBTTag(nbt::NamedTag),
|
|
Particle(ParticleData),
|
|
Villager(VillagerData),
|
|
OptionalVarInt(Option<protocol::VarInt>),
|
|
Pose(PoseData),
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
pub enum ParticleData {
|
|
AmbientEntityEffect,
|
|
AngryVillager,
|
|
Barrier,
|
|
Block {
|
|
block_state: protocol::VarInt,
|
|
},
|
|
Bubble,
|
|
Cloud,
|
|
Crit,
|
|
DamageIndicator,
|
|
DragonBreath,
|
|
DrippingLava,
|
|
DrippingWater,
|
|
Dust {
|
|
red: f32,
|
|
green: f32,
|
|
blue: f32,
|
|
scale: f32,
|
|
},
|
|
Effect,
|
|
ElderGuardian,
|
|
EnchantedHit,
|
|
Enchant,
|
|
EndRod,
|
|
EntityEffect,
|
|
ExplosionEmitter,
|
|
Explosion,
|
|
FallingDust {
|
|
block_state: protocol::VarInt,
|
|
},
|
|
Firework,
|
|
Fishing,
|
|
Flame,
|
|
HappyVillager,
|
|
Heart,
|
|
InstantEffect,
|
|
Item {
|
|
item: Option<item::Stack>,
|
|
},
|
|
ItemSlime,
|
|
ItemSnowball,
|
|
LargeSmoke,
|
|
Lava,
|
|
Mycelium,
|
|
Note,
|
|
Poof,
|
|
Portal,
|
|
Rain,
|
|
Smoke,
|
|
Spit,
|
|
SquidInk,
|
|
SweepAttack,
|
|
TotemOfUndying,
|
|
Underwater,
|
|
Splash,
|
|
Witch,
|
|
BubblePop,
|
|
CurrentDown,
|
|
BubbleColumnUp,
|
|
Nautilus,
|
|
Dolphin,
|
|
}
|
|
|
|
impl Serializable for ParticleData {
|
|
fn read_from<R: io::Read>(buf: &mut R) -> Result<Self, protocol::Error> {
|
|
let id = protocol::VarInt::read_from(buf)?.0;
|
|
Ok(match id {
|
|
0 => ParticleData::AmbientEntityEffect,
|
|
1 => ParticleData::AngryVillager,
|
|
2 => ParticleData::Barrier,
|
|
3 => ParticleData::Block {
|
|
block_state: Serializable::read_from(buf)?,
|
|
},
|
|
4 => ParticleData::Bubble,
|
|
5 => ParticleData::Cloud,
|
|
6 => ParticleData::Crit,
|
|
7 => ParticleData::DamageIndicator,
|
|
8 => ParticleData::DragonBreath,
|
|
9 => ParticleData::DrippingLava,
|
|
10 => ParticleData::DrippingWater,
|
|
11 => ParticleData::Dust {
|
|
red: Serializable::read_from(buf)?,
|
|
green: Serializable::read_from(buf)?,
|
|
blue: Serializable::read_from(buf)?,
|
|
scale: Serializable::read_from(buf)?,
|
|
},
|
|
12 => ParticleData::Effect,
|
|
13 => ParticleData::ElderGuardian,
|
|
14 => ParticleData::EnchantedHit,
|
|
15 => ParticleData::Enchant,
|
|
16 => ParticleData::EndRod,
|
|
17 => ParticleData::EntityEffect,
|
|
18 => ParticleData::ExplosionEmitter,
|
|
19 => ParticleData::Explosion,
|
|
20 => ParticleData::FallingDust {
|
|
block_state: Serializable::read_from(buf)?,
|
|
},
|
|
21 => ParticleData::Firework,
|
|
22 => ParticleData::Fishing,
|
|
23 => ParticleData::Flame,
|
|
24 => ParticleData::HappyVillager,
|
|
25 => ParticleData::Heart,
|
|
26 => ParticleData::InstantEffect,
|
|
27 => ParticleData::Item {
|
|
item: Serializable::read_from(buf)?,
|
|
},
|
|
28 => ParticleData::ItemSlime,
|
|
29 => ParticleData::ItemSnowball,
|
|
30 => ParticleData::LargeSmoke,
|
|
31 => ParticleData::Lava,
|
|
32 => ParticleData::Mycelium,
|
|
33 => ParticleData::Note,
|
|
34 => ParticleData::Poof,
|
|
35 => ParticleData::Portal,
|
|
36 => ParticleData::Rain,
|
|
37 => ParticleData::Smoke,
|
|
38 => ParticleData::Spit,
|
|
39 => ParticleData::SquidInk,
|
|
40 => ParticleData::SweepAttack,
|
|
41 => ParticleData::TotemOfUndying,
|
|
42 => ParticleData::Underwater,
|
|
43 => ParticleData::Splash,
|
|
44 => ParticleData::Witch,
|
|
45 => ParticleData::BubblePop,
|
|
46 => ParticleData::CurrentDown,
|
|
47 => ParticleData::BubbleColumnUp,
|
|
48 => ParticleData::Nautilus,
|
|
49 => ParticleData::Dolphin,
|
|
_ => panic!("unrecognized particle data id {}", id),
|
|
})
|
|
}
|
|
|
|
fn write_to<W: io::Write>(&self, _buf: &mut W) -> Result<(), protocol::Error> {
|
|
unimplemented!()
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
#[allow(dead_code)]
|
|
pub struct VillagerData {
|
|
villager_type: protocol::VarInt,
|
|
profession: protocol::VarInt,
|
|
level: protocol::VarInt,
|
|
}
|
|
|
|
impl Serializable for VillagerData {
|
|
fn read_from<R: io::Read>(buf: &mut R) -> Result<Self, protocol::Error> {
|
|
let villager_type = protocol::VarInt::read_from(buf)?;
|
|
let profession = protocol::VarInt::read_from(buf)?;
|
|
let level = protocol::VarInt::read_from(buf)?;
|
|
Ok(VillagerData {
|
|
villager_type,
|
|
profession,
|
|
level,
|
|
})
|
|
}
|
|
|
|
fn write_to<W: io::Write>(&self, _buf: &mut W) -> Result<(), protocol::Error> {
|
|
unimplemented!()
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
pub enum PoseData {
|
|
Standing,
|
|
FallFlying,
|
|
Sleeping,
|
|
Swimming,
|
|
SpinAttack,
|
|
Sneaking,
|
|
Dying,
|
|
LongJumping,
|
|
}
|
|
|
|
impl Serializable for PoseData {
|
|
fn read_from<R: io::Read>(buf: &mut R) -> Result<Self, protocol::Error> {
|
|
let n = protocol::VarInt::read_from(buf)?;
|
|
Ok(match n.0 {
|
|
0 => PoseData::Standing,
|
|
1 => PoseData::FallFlying,
|
|
2 => PoseData::Sleeping,
|
|
3 => PoseData::Swimming,
|
|
4 => PoseData::SpinAttack,
|
|
5 => PoseData::Sneaking,
|
|
6 => PoseData::Dying,
|
|
7 => PoseData::LongJumping,
|
|
_ => panic!("unknown pose data: {}", n.0),
|
|
})
|
|
}
|
|
|
|
fn write_to<W: io::Write>(&self, _buf: &mut W) -> Result<(), protocol::Error> {
|
|
unimplemented!()
|
|
}
|
|
}
|
|
|
|
pub trait MetaValue {
|
|
fn unwrap(_: &Value) -> &Self;
|
|
fn wrap(self) -> Value;
|
|
}
|
|
|
|
impl MetaValue for i8 {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Byte(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Byte(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for i16 {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Short(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Short(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for i32 {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Int(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Int(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for f32 {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Float(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Float(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for String {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::String(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::String(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for format::Component {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::FormatComponent(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::FormatComponent(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for LenPrefixed<bool, format::Component> {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::OptionalFormatComponent(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::OptionalFormatComponent(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for Option<item::Stack> {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::OptionalItemStack(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::OptionalItemStack(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for bool {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Bool(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Bool(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for [i32; 3] {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Rotation(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Rotation(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for [f32; 3] {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Vector(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Vector(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for Position {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Position(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Position(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for Option<Position> {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::OptionalPosition(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::OptionalPosition(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for protocol::VarInt {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Direction(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Direction(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for Option<protocol::UUID> {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::OptionalUUID(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::OptionalUUID(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for u16 {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Block(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Block(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for nbt::NamedTag {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::NBTTag(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::NBTTag(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for VillagerData {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Villager(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Villager(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for Option<protocol::VarInt> {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::OptionalVarInt(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::OptionalVarInt(self)
|
|
}
|
|
}
|
|
|
|
impl MetaValue for PoseData {
|
|
fn unwrap(value: &Value) -> &Self {
|
|
match *value {
|
|
Value::Pose(ref val) => val,
|
|
_ => panic!("incorrect key"),
|
|
}
|
|
}
|
|
fn wrap(self) -> Value {
|
|
Value::Pose(self)
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod test {
|
|
use super::*;
|
|
use std::marker::PhantomData;
|
|
|
|
const TEST: MetadataKey<String> = MetadataKey {
|
|
index: 0,
|
|
ty: PhantomData,
|
|
};
|
|
|
|
#[test]
|
|
fn basic() {
|
|
let mut m = Metadata::new();
|
|
|
|
m.put(&TEST, "Hello world".to_owned());
|
|
|
|
match m.get(&TEST) {
|
|
Some(val) => {
|
|
assert!(val == "Hello world");
|
|
}
|
|
None => panic!("failed"),
|
|
}
|
|
}
|
|
}
|