wotbreplay-parser/src/models/data/entity_method.rs

use std::io::Read;

use byteorder::{LittleEndian, ReadBytesExt};
use serde::Serialize;
use serde_with::serde_as;

use crate::result::Result;

#[serde_as]
#[derive(Debug, Serialize)]
pub enum EntityMethod {
    Subtype2F {
        // prefix: [u8; 9],
    },

    /// Default variant when subtype is not known by the parser.
    Unknown {
        sub_type: u32,

        /// Whole packet payload (including the sub-type).
        #[serde_as(as = "serde_with::hex::Hex")]
        payload: Vec<u8>,
    },
}

impl EntityMethod {
    pub fn new(payload: Vec<u8>) -> Result<Self> {
        let mut reader = payload.as_slice();

        reader.read_u32::<LittleEndian>()?;
        let sub_type = reader.read_u32::<LittleEndian>()?;

        let this = match sub_type {
            0x2F => {
                // let mut prefix = [0; 9];
                // reader.read_exact(&mut prefix)?;
                Self::Subtype2F {}
            }

            _ => Self::Unknown { sub_type, payload },
        };
        Ok(this)
    }
}