54 lines
1.3 KiB
Rust
54 lines
1.3 KiB
Rust
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use nbt;
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use protocol::{Serializable};
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use std::io;
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use std::io::{Read, Write};
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use byteorder::{BigEndian, WriteBytesExt, ReadBytesExt};
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#[derive(Debug)]
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pub struct Stack {
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id: isize,
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count: isize,
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damage: isize,
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tag: Option<nbt::NamedTag>,
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}
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impl Default for Stack {
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fn default() -> Stack {
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Stack {
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id: -1,
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count: 0,
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damage: 0,
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tag: None,
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}
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}
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}
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impl Serializable for Option<Stack> {
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fn read_from(buf: &mut io::Read) -> Result<Option<Stack>, io::Error> {
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let id = try!(buf.read_i16::<BigEndian>());
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if id == -1 {
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return Ok(None);
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}
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Ok(Some(Stack{
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id: id as isize,
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count: try!(buf.read_u8()) as isize,
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damage: try!(buf.read_i16::<BigEndian>()) as isize,
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tag: try!(Serializable::read_from(buf)),
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}))
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}
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fn write_to(&self, buf: &mut io::Write) -> Result<(), io::Error> {
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match *self {
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Some(ref val) => {
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try!(buf.write_i16::<BigEndian>(val.id as i16));
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try!(buf.write_u8(val.count as u8));
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try!(buf.write_i16::<BigEndian>(val.damage as i16));
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try!(val.tag.write_to(buf));
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},
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None => try!(buf.write_i16::<BigEndian>(-1)),
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}
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Result::Ok(())
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}
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}
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