dem 0.2.3

GoldSrc demo parser and writer library
Documentation 
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use super::*;

impl Doer for TeBspDecal {
    fn id(&self) -> u8 {
        13
    }

    fn parse(i: &[u8], _: AuxRefCell) -> Result<Self> {
        let (i, unknown1) = take(8usize)(i)?;
        let (i, entity_index) = le_i16(i)?;
        let (i, unknown2) = if entity_index != 0 {
            map(take(2usize), |i: &[u8]| Some(i.to_vec()))(i)?
        } else {
            (i, None)
        };

        Ok((
            i,
            Self {
                unknown1: unknown1.to_vec(),
                entity_index,
                unknown2,
            },
        ))
    }

    fn write(&self, _: AuxRefCell) -> ByteVec {
        let mut writer = ByteWriter::new();

        writer.append_u8_slice(&self.unknown1);
        writer.append_i16(self.entity_index);
        if self.entity_index != 0 {
            writer.append_u8_slice(self.unknown2.as_ref().unwrap());
        }

        writer.data
    }
}