Break: decode the players packet

.github/FUNDING.yml

@@ -0,0 +1,5 @@
+github: [eigenein]
+custom:
+- 'https://www.paypal.me/eigenein'
+- 'https://bunq.me/eigenein'
+- 'https://money.yandex.ru/to/410011693851843'

.github/workflows/check.yaml

@@ -20,32 +20,44 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout
+      - name: 📥 Checkout
         uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
-      - name: Set up the toolchain
+      - name: ✨ Set up the toolchain
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
           toolchain: stable
           components: rustfmt, clippy
 
-      - name: Rust Cache
+      - name: ⚡️ Rust Cache
         uses: Swatinem/rust-cache@v1
         with:
           cache-on-failure: true
 
-      - name: Test
+      - name: 🧪 Test without optional features
         uses: actions-rs/cargo@v1
         with:
           command: test
-          args: --doc
+          args: --all-targets
 
-      - name: Clippy
+      - name: 🧪 Test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --all-features
+
+      - name: 🪄 Clippy
         uses: actions-rs/clippy-check@v1
         continue-on-error: true
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           args: --all-targets --all-features --tests -- -D warnings
+
+      - name: 📤 Publish the crates (dry run)
+        run: |
+          cargo publish --allow-dirty --dry-run
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

.github/workflows/publish.yaml

@@ -15,12 +15,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout the repository
+      - name: 📥 Checkout the repository
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
 
-      - name: Set the versions
+      - name: 🪄 Set the versions
         run: |
           sed -i -e 's/version = "0\.0\.0"/version = "${{ github.ref_name }}"/g' Cargo.toml
       - name: Rustup
@@ -29,24 +29,22 @@ jobs:
           profile: minimal
           toolchain: stable
 
-      - name: Build the changelog
+      - name: 📝 Build the changelog
         id: changelog
         uses: Bullrich/generate-release-changelog@master
         env:
           REPO: ${{ github.repository }}
 
-      - name: Update the release
+      - name: 🪄 Update the release
         uses: tubone24/[email protected]
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           release_name: ${{ github.ref_name }}
           body: ${{ steps.changelog.outputs.changelog }}
-          prerelease: false
 
-      - name: Publish the crates
+      - name: 📤 Publish the crates
         run: |
-          cargo login
           cargo publish --allow-dirty
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

Cargo.toml

@@ -7,16 +7,22 @@ authors = ["Pavel Perestoronin <[email protected]>"]
 readme = "README.md"
 repository = "https://github.com/eigenein/wotbreplay-parser"
 license = "MIT"
-keywords = []
-categories = []
+keywords = ["world-of-tanks-blitz", "replay", "parser", "wargaming", "results"]
+categories = ["parsing"]
 
 [features]
 default = []
+meta = ["dep:serde_json"]
 
 [dependencies]
+bytes = "1.4.0"
+byteorder = "1.4.3"
 prost = "0.11.3"
+serde = { version = "1.0.148", features = ["derive"] }
 serde_bytes = "0.11.7"
 serde-pickle = "1.1.1"
+serde_json = { version = "1.0.96", optional = true }
+serde_with = { version = "2.3.3", features = ["hex"] }
 thiserror = "1.0.37"
 zip = { version = "0.6.3", default-features = false, features = ["deflate"] }
 

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Pavel Perestoronin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -4,10 +4,39 @@ World of Tanks Blitz replay parser in Rust.
 
 [![Crates.io](https://img.shields.io/crates/v/wotbreplay-parser)](https://crates.io/crates/wotbreplay-parser)
 [![Last commit](https://img.shields.io/github/last-commit/eigenein/wotbreplay-parser)](https://github.com/eigenein/wotbreplay-parser/commits/main)
-[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/eigenein/wotbreplay-parser/Check)](https://github.com/eigenein/wotbreplay-parser/actions)
+[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/eigenein/wotbreplay-parser/check.yaml)](https://github.com/eigenein/wotbreplay-parser/actions)
 ![License: MIT](https://img.shields.io/crates/l/wotbreplay-parser)
 [![docs.rs](https://img.shields.io/docsrs/wotbreplay-parser)](https://docs.rs/wotbreplay-parser)
 
+## Quickstart
+
+```rust
+use std::fs::File;
+
+use anyhow::Result;
+use wotbreplay_parser::models::battle_results::TeamNumber;
+use wotbreplay_parser::replay::Replay;
+
+fn main() -> Result<()> {
+    let battle_results = Replay::open(File::open("tests/replays/player_results.wotbreplay")?)?
+        .read_battle_results()?;
+
+    assert_eq!(battle_results.timestamp, 1670083956);
+    assert_eq!(battle_results.players.len(), 14);
+
+    assert_eq!(battle_results.players[0].account_id, 595693744);
+    assert_eq!(battle_results.players[0].info.nickname, "yuranhik_hustriy26");
+    assert_eq!(battle_results.players[0].info.team(), TeamNumber::One);
+    assert_eq!(battle_results.players[0].info.platoon_id, Some(545104609));
+
+    assert_eq!(battle_results.players[1].info.nickname, "SNAK_THE_RIPPER");
+    assert_eq!(battle_results.players[1].info.team(), TeamNumber::Two);
+    assert_eq!(battle_results.players[1].info.platoon_id, Some(273692628));
+
+    Ok(())
+}
+```
+
 ## Replay structure
 
 `*.wotbreplay` is a ZIP-archive containing:

rustfmt.toml

@@ -8,3 +8,4 @@ reorder_impl_items = true
 unstable_features = true
 use_field_init_shorthand = true
 version = "Two"
+struct_lit_width = 35

src/error.rs

@@ -2,18 +2,28 @@ use thiserror::Error;
 
 #[derive(Error, Debug)]
 pub enum Error {
-    #[error("failed to open the ZIP-archive")]
-    OpenArchiveFailed(#[source] zip::result::ZipError),
+    #[error("ZIP error")]
+    ZipError(#[from] zip::result::ZipError),
 
-    #[error("failed to open the battle results entry in the replay archive")]
-    OpenBattleResultsFailed(#[source] zip::result::ZipError),
+    #[error("Protocol Buffers error")]
+    ProtobufError(#[from] prost::DecodeError),
 
-    #[error("failed to read the archive entry")]
-    ReadEntryFailed(#[source] std::io::Error),
+    #[error("Pickle error")]
+    PickleError(#[from] serde_pickle::Error),
 
-    #[error("failed to decode")]
-    DecodeFailed(#[source] prost::DecodeError),
+    #[error("I/O error")]
+    IoError(#[from] std::io::Error),
 
-    #[error("failed to un-pickle")]
-    UnpickleFailed(#[source] serde_pickle::Error),
+    #[error("UTF-8 error")]
+    StringDecodeError(#[from] std::string::FromUtf8Error),
+
+    #[cfg(feature = "meta")]
+    #[error("JSON error")]
+    JsonError(#[from] serde_json::Error),
+
+    #[error("invalid magic: {0:#X}, expected: {1:#X}")]
+    InvalidMagic(u32, u32),
+
+    #[error("failed to read a packet length, got {0} bytes")]
+    PacketLengthError(usize),
 }

src/lib.rs

@@ -1,8 +1,32 @@
+//! World of Tanks Blitz replay parser.
+
+#![warn(
+    clippy::all,
+    clippy::explicit_into_iter_loop,
+    clippy::manual_let_else,
+    clippy::map_unwrap_or,
+    clippy::missing_const_for_fn,
+    clippy::needless_pass_by_value,
+    clippy::trivially_copy_pass_by_ref,
+    clippy::unused_self
+)]
+
 mod error;
 pub mod models;
-mod replay;
+pub mod replay;
 mod result;
 
-pub use crate::error::Error;
-pub use crate::replay::Replay;
-pub use crate::result::Result;
+pub use self::error::Error;
+pub use self::result::Result;
+
+#[cfg(doctest)]
+mod test_readme {
+    macro_rules! external_doc_test {
+        ($x:expr) => {
+            #[doc = $x]
+            extern "C" {}
+        };
+    }
+
+    external_doc_test!(include_str!("../README.md"));
+}

src/models.rs

@@ -1,31 +1,4 @@
-use ::prost::Message;
-
-#[derive(Message)]
-pub struct BattleResults {
-    #[prost(int64, tag = "2")]
-    pub timestamp: i64,
-
-    #[prost(message, repeated, tag = "201")]
-    pub players: Vec<Player>,
-}
-
-#[derive(Message)]
-pub struct Player {
-    #[prost(uint32, tag = "1")]
-    pub account_id: u32,
-
-    #[prost(message, required, tag = "2")]
-    pub info: PlayerInfo,
-}
-
-#[derive(Message)]
-pub struct PlayerInfo {
-    #[prost(string, tag = "1")]
-    pub nickname: String,
-
-    #[prost(uint32, optional, tag = "2")]
-    pub platoon_id: Option<u32>,
-
-    #[prost(uint32, tag = "3")]
-    pub team_number: u32,
-}
+pub mod battle_results;
+pub mod battle_results_dat;
+pub mod data;
+pub mod meta;

src/models/battle_results.rs

@@ -0,0 +1,218 @@
+use prost::bytes::Buf;
+use prost::Message;
+use serde::Serialize;
+
+use crate::result::Result;
+
+impl BattleResults {
+    /// Parse battle results from the buffer.
+    ///
+    /// Note, that this does NOT parse `battle_results.dat` itself, but the un-pickled tuple element.
+    pub fn from_buffer(buffer: impl Buf) -> Result<Self> {
+        Ok(Self::decode(buffer)?)
+    }
+}
+
+/// Parsed battle results.
+///
+/// TODO: 150[0].21[0].8[0].801[0].unsigned is arena end time.
+#[derive(Message, Serialize)]
+pub struct BattleResults {
+    /// Battle timestamp.
+    #[prost(int64, tag = "2")]
+    pub timestamp: i64,
+
+    #[prost(enumeration = "TeamNumber", tag = "3")]
+    pub winner_team_number: i32,
+
+    /// Replay's author results.
+    #[prost(message, required, tag = "8")]
+    pub author: Author,
+
+    /// Author's free XP, including premium.
+    #[prost(uint32, tag = "137")]
+    pub free_xp: u32,
+
+    /// Players in the battle.
+    #[prost(message, repeated, tag = "201")]
+    pub players: Vec<Player>,
+
+    /// Player's results.
+    #[prost(message, repeated, tag = "301")]
+    pub player_results: Vec<PlayerResults>,
+}
+
+/// Battle player.
+#[derive(Message, Serialize)]
+pub struct Player {
+    /// Player's account ID.
+    #[prost(uint32, tag = "1")]
+    pub account_id: u32,
+
+    /// Player's extended information.
+    #[prost(message, required, tag = "2")]
+    pub info: PlayerInfo,
+}
+
+/// Player's extended information.
+#[derive(Message, Serialize)]
+pub struct PlayerInfo {
+    /// Player's nickname.
+    #[prost(string, tag = "1")]
+    pub nickname: String,
+
+    /// Some sort of platoon ID:
+    /// - contains same ID for a platoon members, or
+    /// - `None` for non-platoon players
+    #[prost(uint32, optional, tag = "2")]
+    pub platoon_id: Option<u32>,
+
+    /// Player's team assignment.
+    #[prost(enumeration = "TeamNumber", tag = "3")]
+    pub team: i32,
+
+    #[prost(string, optional, tag = "5")]
+    pub clan_tag: Option<String>,
+
+    #[prost(message, required, tag = "7")]
+    pub avatar: Avatar,
+}
+
+#[derive(
+    Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, prost::Enumeration, Serialize,
+)]
+#[repr(i32)]
+pub enum TeamNumber {
+    One = 1,
+    Two = 2,
+}
+
+/// Player's battle results.
+#[derive(Message, Serialize)]
+pub struct PlayerResults {
+    /// Looks like some sort of sequential result ID. They reference each other,
+    /// but I haven't figured this out yet.
+    #[prost(uint32, tag = "1")]
+    pub result_id: u32,
+
+    /// Extended player's results information.
+    #[prost(message, required, tag = "2")]
+    pub info: PlayerResultsInfo,
+}
+
+/// Extended player's results information.
+#[derive(Message, Serialize)]
+pub struct PlayerResultsInfo {
+    /// Credits earned – without special awards and medals and premium account excluded.
+    #[prost(uint32, tag = "2")]
+    pub credits_earned: u32,
+
+    /// Base XP (the total without multipliers).
+    #[prost(uint32, tag = "3")]
+    pub base_xp: u32,
+
+    #[prost(uint32, tag = "4")]
+    pub n_shots: u32,
+
+    #[prost(uint32, tag = "5")]
+    pub n_hits_dealt: u32,
+
+    #[prost(uint32, tag = "7")]
+    pub n_penetrations_dealt: u32,
+
+    #[prost(uint32, tag = "8")]
+    pub damage_dealt: u32,
+
+    /// TODO: distinguish the kinds of assisted damage.
+    #[prost(uint32, tag = "9")]
+    pub damage_assisted_1: u32,
+
+    /// TODO: distinguish the kinds of assisted damage.
+    #[prost(uint32, tag = "10")]
+    pub damage_assisted_2: u32,
+
+    #[prost(uint32, tag = "12")]
+    pub n_hits_received: u32,
+
+    #[prost(uint32, tag = "13")]
+    pub n_non_penetrating_hits_received: u32,
+
+    #[prost(uint32, tag = "15")]
+    pub n_penetrations_received: u32,
+
+    #[prost(uint32, tag = "17")]
+    pub n_enemies_damaged: u32,
+
+    #[prost(uint32, tag = "18")]
+    pub n_enemies_destroyed: u32,
+
+    #[prost(uint32, tag = "32")]
+    pub victory_points_earned: u32,
+
+    #[prost(uint32, tag = "33")]
+    pub victory_points_seized: u32,
+
+    /// Player's account ID.
+    #[prost(uint32, tag = "101")]
+    pub account_id: u32,
+
+    /// Player's tank ID as per Wargaming.net API.
+    #[prost(uint32, tag = "103")]
+    pub tank_id: u32,
+
+    /// Rating for the Rating Battles.
+    ///
+    /// Note, that this is **not** the game client's displayed rating.
+    /// This field matches the `mm_rating` as returned by the Wargaming.net API.
+    #[prost(float, optional, tag = "107")]
+    pub mm_rating: Option<f32>,
+
+    #[prost(uint32, tag = "117")]
+    pub damage_blocked: u32,
+}
+
+impl PlayerResultsInfo {
+    /// Returns displayed rating as per the game client.
+    pub fn display_rating(&self) -> Option<u32> {
+        self.mm_rating
+            .map(|mm_rating| (mm_rating * 10.0 + 3000.0) as u32)
+    }
+}
+
+#[derive(Message, Serialize)]
+pub struct Author {
+    /// Earned credits, including premium and special awards and medals.
+    #[prost(uint32, tag = "2")]
+    pub credits_earned: u32,
+
+    /// Combat XP, including premium.
+    #[prost(uint32, tag = "3")]
+    pub combat_xp: u32,
+
+    #[prost(uint32, tag = "8")]
+    pub damage_dealt: u32,
+
+    #[prost(uint32, tag = "101")]
+    pub account_id: u32,
+
+    #[prost(enumeration = "TeamNumber", tag = "102")]
+    pub team_number: i32,
+}
+
+#[derive(Message, Serialize)]
+pub struct Avatar {
+    #[prost(message, required, tag = "2")]
+    pub info: AvatarInfo,
+}
+
+#[derive(Message, Serialize)]
+pub struct AvatarInfo {
+    #[prost(string, tag = "2")]
+    pub gfx_url: String,
+
+    #[prost(string, tag = "3")]
+    pub gfx2_url: String,
+
+    #[prost(string, tag = "4")]
+    pub kind: String,
+}

src/models/battle_results_dat.rs

@@ -0,0 +1,47 @@
+use std::io::Read;
+
+use prost::Message;
+use serde::Deserialize;
+use serde_bytes::ByteBuf;
+
+use crate::error::Error;
+use crate::models::battle_results::BattleResults;
+use crate::result::Result;
+
+/// Represents un-pickled `battle_results.dat`.
+#[derive(Debug, Deserialize)]
+#[serde(from = "(u64, ByteBuf)")]
+pub struct BattleResultsDat {
+    pub arena_unique_id: u64,
+
+    /// Protobuf-serialized battle results.
+    pub buffer: ByteBuf,
+}
+
+impl From<(u64, ByteBuf)> for BattleResultsDat {
+    fn from((arena_unique_id, buffer): (u64, ByteBuf)) -> Self {
+        Self {
+            arena_unique_id,
+            buffer,
+        }
+    }
+}
+
+impl BattleResultsDat {
+    /// Parses the pickled structure from the reader which contains `battle_results.dat`.
+    ///
+    /// It can be used either on the `battle_results.dat` for a replay archive,
+    /// or directly on `**/DAVAProject/battle_results/*/*_full.dat`.
+    pub fn from_reader(reader: impl Read) -> Result<Self> {
+        Ok(serde_pickle::from_reader(reader, Default::default())?)
+    }
+}
+
+impl TryInto<BattleResults> for BattleResultsDat {
+    type Error = Error;
+
+    /// Decodes the battle results from the internal buffer.
+    fn try_into(self) -> Result<BattleResults> {
+        Ok(BattleResults::decode(self.buffer.as_ref())?)
+    }
+}

src/models/data.rs

@@ -0,0 +1,97 @@
+//! `data.wotreplay` models.
+
+pub mod entity_method;
+pub mod packet;
+pub mod payload;
+pub mod subtype_2f;
+pub mod type_0;
+
+use std::io::Read;
+
+use byteorder::{LittleEndian, ReadBytesExt};
+use serde::de::DeserializeOwned;
+use serde::Serialize;
+
+use crate::models::data::packet::Packet;
+use crate::result::Result;
+use crate::Error;
+
+/// `data.wotreplay` root structure.
+#[derive(Debug, Serialize)]
+pub struct Data {
+    /// For example: `9.8.5_apple`.
+    pub client_version: String,
+
+    pub packets: Vec<Packet>,
+}
+
+impl Data {
+    pub fn from_reader(mut reader: impl Read) -> Result<Self> {
+        assert_magic(reader.read_u32::<LittleEndian>()?, 0x12345678)?;
+
+        // No idea what it is:
+        reader.read_u64::<LittleEndian>()?;
+
+        // Some sort of client hash, e.g.: `6CF2A9EFA5C52D6F6CE43A6D4A699C05`:
+        read_length_delimited(&mut reader)?;
+
+        let client_version = read_string(&mut reader)?;
+
+        // Some extra byte, no idea:
+        reader.read_u8()?;
+
+        let mut packets = Vec::new();
+        while let Some(packet) = Packet::from_reader(&mut reader)? {
+            packets.push(packet);
+        }
+
+        Ok(Self { client_version, packets })
+    }
+}
+
+#[inline]
+fn assert_magic<T: Into<u32> + PartialEq>(actual: T, expected: T) -> Result {
+    if actual == expected {
+        Ok(())
+    } else {
+        Err(Error::InvalidMagic(actual.into(), expected.into()))
+    }
+}
+
+#[inline]
+fn read_length_delimited(reader: &mut impl Read) -> Result<Vec<u8>> {
+    let length = reader.read_u8()? as usize;
+    let mut buffer = Vec::new();
+    buffer.resize(length, 0);
+    reader.read_exact(&mut buffer)?;
+    Ok(buffer)
+}
+
+#[inline]
+fn read_string(reader: &mut impl Read) -> Result<String> {
+    Ok(String::from_utf8(read_length_delimited(reader)?)?)
+}
+
+#[inline]
+fn read_pickled<T: DeserializeOwned>(reader: &mut impl Read, length: usize) -> Result<T> {
+    let mut buffer = Vec::new();
+    buffer.resize(length, 0);
+    reader.read_exact(&mut buffer)?;
+    Ok(serde_pickle::from_slice(&buffer, Default::default())?)
+}
+
+/// Read 2-byte length surrounded by the magical `0xFF` and `0x00`,
+/// unless it's a simple 1-byte length.
+///
+/// P.S. Okay, Wargaming, I've no idea what you smoke, but I want some!
+#[inline]
+fn read_quirky_length(reader: &mut impl Read) -> Result<usize> {
+    match reader.read_u8()? {
+        0xFF => {
+            let length = reader.read_u16::<LittleEndian>()?;
+            assert_magic(reader.read_u8()?, 0x00)?;
+            Ok(length as usize)
+        }
+        length => Ok(length as usize),
+    }
+}

src/models/data/entity_method.rs

@@ -0,0 +1,57 @@
+use byteorder::{LittleEndian, ReadBytesExt};
+use prost::encoding::decode_varint;
+use prost::Message;
+use serde::Serialize;
+use serde_with::serde_as;
+
+use crate::models::data::read_quirky_length;
+use crate::models::data::subtype_2f::Subtype2F;
+use crate::result::Result;
+
+#[serde_as]
+#[derive(Debug, Serialize)]
+pub enum EntityMethod {
+    Subtype2F {
+        field_number: u64,
+        sub_type_2f: Subtype2F,
+
+        /// Original payload for investigation.
+        #[serde_as(as = "serde_with::hex::Hex")]
+        payload: Vec<u8>,
+    },
+
+    /// 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 _inner_length = reader.read_u32::<LittleEndian>()?;
+
+                let field_number = decode_varint(&mut reader)?;
+                let message_length = read_quirky_length(&mut reader)?;
+                Self::Subtype2F {
+                    field_number,
+                    sub_type_2f: Subtype2F::decode(&reader[..message_length])?,
+                    payload,
+                }
+            }
+
+            _ => Self::Unknown { sub_type, payload },
+        };
+        Ok(this)
+    }
+}

src/models/data/packet.rs

@@ -0,0 +1,32 @@
+use std::io::Read;
+
+use byteorder::{LittleEndian, ReadBytesExt};
+use serde::Serialize;
+
+use crate::models::data::payload::Payload;
+use crate::result::Result;
+
+#[derive(Debug, Serialize)]
+pub struct Packet {
+    pub clock: f32,
+    pub payload: Payload,
+}
+
+impl Packet {
+    pub fn from_reader(reader: &mut impl Read) -> Result<Option<Self>> {
+        let Ok(length) = reader.read_u32::<LittleEndian>() else { return Ok(None) };
+        let type_ = reader.read_u32::<LittleEndian>()?;
+        let clock = reader.read_f32::<LittleEndian>()?;
+        let payload = Self::read_payload(reader, length as usize)?;
+        let payload = Payload::new(type_, payload)?;
+        let this = Self { clock, payload };
+        Ok(Some(this))
+    }
+
+    fn read_payload(reader: &mut impl Read, length: usize) -> Result<Vec<u8>> {
+        let mut buffer = Vec::new();
+        buffer.resize(length, 0);
+        reader.read_exact(&mut buffer)?;
+        Ok(buffer)
+    }
+}

src/models/data/payload.rs

@@ -0,0 +1,63 @@
+use std::io::Read;
+
+use byteorder::{LittleEndian, ReadBytesExt};
+use serde::Serialize;
+use serde_with::serde_as;
+
+use crate::models::data::entity_method::EntityMethod;
+use crate::models::data::type_0::Type0;
+use crate::models::data::{read_pickled, read_quirky_length, read_string};
+use crate::result::Result;
+
+#[serde_as]
+#[derive(Debug, Serialize)]
+pub enum Payload {
+    /// Looks like some sort of replay summary.
+    Type0 {
+        author_nickname: String,
+        arena_unique_id: u64,
+        arena_type_id: u32,
+        type_0: Box<Type0>,
+    },
+
+    EntityMethod(EntityMethod),
+
+    /// Default payload when type is not known by the parser.
+    Unknown {
+        type_: u32,
+
+        /// Whole packet payload.
+        #[serde_as(as = "serde_with::hex::Hex")]
+        raw: Vec<u8>,
+    },
+}
+
+impl Payload {
+    pub fn new(type_: u32, payload: Vec<u8>) -> Result<Self> {
+        let this = match type_ {
+            0 => {
+                let mut reader = payload.as_slice();
+                reader.read_exact(&mut [0; 10])?;
+
+                let author_nickname = read_string(&mut reader)?;
+                let arena_unique_id = reader.read_u64::<LittleEndian>()?;
+                let arena_type_id = reader.read_u32::<LittleEndian>()?;
+                let type_0 = {
+                    let pickled_length = read_quirky_length(&mut reader)?;
+                    read_pickled(&mut reader, pickled_length)?
+                };
+                Self::Type0 {
+                    type_0,
+                    author_nickname,
+                    arena_unique_id,
+                    arena_type_id,
+                }
+            }
+
+            8 => Self::EntityMethod(EntityMethod::new(payload)?),
+
+            _ => Self::Unknown { raw: payload, type_ },
+        };
+        Ok(this)
+    }
+}

src/models/data/subtype_2f.rs

@@ -0,0 +1,32 @@
+use prost::Message;
+use serde::Serialize;
+
+#[derive(Message, Serialize)]
+pub struct Subtype2F {
+    #[prost(message, tag = "1")]
+    pub players: Option<Players>,
+}
+
+#[derive(Message, Serialize)]
+pub struct Players {
+    #[prost(message, repeated, tag = "1")]
+    pub players: Vec<Player>,
+}
+
+#[derive(Message, Serialize)]
+pub struct Player {
+    #[prost(string, required, tag = "3")]
+    pub nickname: String,
+
+    #[prost(uint32, required, tag = "4")]
+    pub team_number: u32,
+
+    #[prost(uint32, required, tag = "7")]
+    pub account_id: u32,
+
+    #[prost(string, optional, tag = "8")]
+    pub clan_tag: Option<String>,
+
+    #[prost(uint32, optional, tag = "11")]
+    pub platoon_number: Option<u32>,
+}

src/models/data/type_0.rs

@@ -0,0 +1,73 @@
+use std::collections::HashMap;
+
+use serde::{Deserialize, Serialize};
+
+/// Looks like some sort of replay summary.
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Type0 {
+    #[serde(rename(deserialize = "playersBattleCategoriesIds"))]
+    pub players_battle_categories_ids: HashMap<u32, (u8, u32)>,
+
+    #[serde(rename(deserialize = "battleLevel"))]
+    pub battle_level: u8,
+
+    #[serde(rename(deserialize = "battleCategoryId"))]
+    pub battle_category_id: u8,
+
+    #[serde(rename(deserialize = "mouseEnabled"))]
+    pub is_mouse_enabled: bool,
+
+    #[serde(rename(deserialize = "mmType"))]
+    pub matchmaker_type: u8,
+
+    #[serde(rename(deserialize = "camouflageSlot"))]
+    pub camouflage_slot: u8,
+
+    #[serde(rename(deserialize = "avgMmr"))]
+    pub average_mmr: Vec<Option<f64>>,
+
+    #[serde(rename(deserialize = "playerWaitTimes"))]
+    pub player_wait_times: HashMap<u32, f64>,
+
+    #[serde(rename(deserialize = "accountDatabaseIds"))]
+    pub account_database_ids: Vec<u32>,
+
+    #[serde(rename(deserialize = "turboBattlesStats"))]
+    pub turbo_battles_statistics: TurboBattlesStatistics,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct TurboBattlesStatistics {
+    #[serde(rename(deserialize = "turboBattleChance"))]
+    pub battle_chance: f64,
+
+    #[serde(rename(deserialize = "turboLeaveChance"))]
+    pub leave_chance: f64,
+
+    #[serde(rename(deserialize = "possibleTurboBattlesNotForSkip"))]
+    pub possible_battles_not_for_skip: u32,
+
+    #[serde(rename(deserialize = "possibleTurboBattlesForSkip"))]
+    pub possible_battles_for_skip: u32,
+
+    #[serde(rename(deserialize = "turboBattlesForSkip"))]
+    pub battles_for_skip: u32,
+
+    #[serde(rename(deserialize = "turboBattlesNotForSkip"))]
+    pub battles_not_for_skip: u32,
+
+    #[serde(rename(deserialize = "abSkip"))]
+    pub ab_skip: i32,
+
+    #[serde(rename(deserialize = "beta"))]
+    pub beta: f64,
+
+    #[serde(rename(deserialize = "premiumVehDiff"))]
+    pub premium_vehicle_difference: i32,
+
+    #[serde(rename(deserialize = "htDiff"))]
+    pub ht_difference: i32,
+
+    #[serde(rename(deserialize = "alpha"))]
+    pub alpha: f64,
+}

src/models/meta.rs

@@ -0,0 +1,29 @@
+#![cfg(feature = "meta")]
+
+use std::io::Read;
+
+use serde::Deserialize;
+
+use crate::result::Result;
+
+/// The model for `meta.json`.
+#[derive(Deserialize)]
+pub struct Meta {
+    #[serde(rename = "playerName")]
+    pub player_name: String,
+
+    #[serde(rename = "arenaUniqueId")]
+    pub arena_unique_id: String,
+
+    #[serde(rename = "battleDuration")]
+    pub battle_duration_secs: f64,
+
+    #[serde(rename = "vehicleCompDescriptor")]
+    pub tank_id: u16,
+}
+
+impl Meta {
+    pub fn from_reader(reader: impl Read) -> Result<Self> {
+        Ok(serde_json::from_reader(reader)?)
+    }
+}

src/replay.rs

@@ -1,35 +1,40 @@
 use std::io::{Read, Seek};
 
-use prost::Message;
-use serde_bytes::ByteBuf;
 use zip::ZipArchive;
 
-use crate::error::Error;
-use crate::models::BattleResults;
+use crate::models::battle_results::BattleResults;
+use crate::models::battle_results_dat::BattleResultsDat;
+use crate::models::data::Data;
+#[cfg(feature = "meta")]
+use crate::models::meta::Meta;
 use crate::result::Result;
 
+/// Opened (but not yet parsed) replay.
 pub struct Replay<R>(pub(crate) ZipArchive<R>);
 
 impl<R: Read + Seek> Replay<R> {
-    /// Opens a replay from the reader.
+    /// Opens a replay from the reader which contains a `*.wotbreplay`.
     pub fn open(reader: R) -> Result<Self> {
-        ZipArchive::new(reader)
-            .map_err(Error::OpenArchiveFailed)
-            .map(Self)
+        Ok(Self(ZipArchive::new(reader)?))
     }
 
+    /// Reads and parses the battle results from the replay.
     pub fn read_battle_results(&mut self) -> Result<BattleResults> {
-        let mut pickled_battle_results = self
-            .0
-            .by_name("battle_results.dat")
-            .map_err(Error::OpenBattleResultsFailed)?;
-        let mut serialized_battle_results = Vec::new();
-        pickled_battle_results
-            .read_to_end(&mut serialized_battle_results)
-            .map_err(Error::ReadEntryFailed)?;
-        let (_, battle_results): (u64, ByteBuf) =
-            serde_pickle::from_slice(&serialized_battle_results, Default::default())
-                .map_err(Error::UnpickleFailed)?;
-        BattleResults::decode(battle_results.as_ref()).map_err(Error::DecodeFailed)
+        self.read_battle_results_dat()?.try_into()
+    }
+
+    /// Reads and parses the included `battle_results.dat`.
+    pub fn read_battle_results_dat(&mut self) -> Result<BattleResultsDat> {
+        let pickled_battle_results = self.0.by_name("battle_results.dat")?;
+        BattleResultsDat::from_reader(pickled_battle_results)
+    }
+
+    #[cfg(feature = "meta")]
+    pub fn read_meta(&mut self) -> Result<Meta> {
+        Meta::from_reader(self.0.by_name("meta.json")?)
+    }
+
+    pub fn read_data(&mut self) -> Result<Data> {
+        Data::from_reader(self.0.by_name("data.wotreplay")?)
     }
 }

tests/battle_results.rs

@@ -1,26 +1,119 @@
 use std::fs::File;
 
 use anyhow::Result;
-use wotbreplay_parser::Replay;
+use wotbreplay_parser::models::battle_results::BattleResults;
+use wotbreplay_parser::replay::Replay;
 
 #[test]
-fn battle_results_ok() -> Result<()> {
-    let mut replay = Replay::open(File::open(
-        "tests/replays/20221202_2259__zeekrab_It20_Car_Comb_45t_2308705958773814583.wotbreplay",
-    )?)?;
-    let battle_results = replay.read_battle_results()?;
+fn player_results_ok() -> Result<()> {
+    let battle_results_dat = Replay::open(File::open("tests/replays/player_results.wotbreplay")?)?
+        .read_battle_results_dat()?;
+    assert_eq!(battle_results_dat.arena_unique_id, 1661909200500084);
+    let battle_results: BattleResults = battle_results_dat.try_into()?;
 
-    assert_eq!(battle_results.timestamp, 1670018359);
-    assert_eq!(battle_results.players.len(), 14);
+    assert_eq!(battle_results.winner_team_number, 2);
 
-    assert_eq!(battle_results.players[0].account_id, 520886428);
-    assert_eq!(battle_results.players[0].info.nickname, "77mmmr");
-    assert_eq!(battle_results.players[0].info.team_number, 2);
-    assert_eq!(battle_results.players[0].info.platoon_id, None);
+    assert_eq!(battle_results.author.team_number, 2);
+    assert_eq!(battle_results.author.credits_earned, 59518);
+    assert_eq!(battle_results.author.combat_xp, 5255);
+    assert_eq!(battle_results.author.damage_dealt, 1438);
+    assert_eq!(battle_results.author.account_id, 594778041);
+    assert_eq!(battle_results.free_xp, 260);
 
-    assert_eq!(battle_results.players[1].info.nickname, "SNAK_THE_RIPPER");
-    assert_eq!(battle_results.players[1].info.team_number, 1);
-    assert_eq!(battle_results.players[1].info.platoon_id, Some(547466834));
+    let snak_the_ripper_info = &battle_results.player_results[3].info;
+    assert_eq!(snak_the_ripper_info.base_xp, 929);
+    assert_eq!(snak_the_ripper_info.damage_dealt, 2584);
+    assert_eq!(snak_the_ripper_info.damage_assisted_1, 37);
+    assert_eq!(snak_the_ripper_info.account_id, 566225799);
+    assert_eq!(snak_the_ripper_info.display_rating(), Some(4070));
+    assert_eq!(snak_the_ripper_info.n_shots, 6);
+    assert_eq!(snak_the_ripper_info.n_hits_dealt, 5);
+    assert_eq!(snak_the_ripper_info.n_penetrations_dealt, 5);
+    assert_eq!(snak_the_ripper_info.tank_id, 5233);
+    assert_eq!(snak_the_ripper_info.n_enemies_damaged, 3);
+    assert_eq!(snak_the_ripper_info.n_enemies_destroyed, 2);
+
+    let zeekrab_info = &battle_results.player_results[10].info;
+    assert_eq!(zeekrab_info.base_xp, 701);
+    assert_eq!(zeekrab_info.damage_dealt, 1438);
+    assert_eq!(zeekrab_info.damage_assisted_2, 31);
+    assert_eq!(zeekrab_info.damage_blocked, 190);
+    assert_eq!(zeekrab_info.account_id, 594778041);
+    assert_eq!(zeekrab_info.display_rating(), Some(4277));
+    assert_eq!(zeekrab_info.n_shots, 5);
+    assert_eq!(zeekrab_info.n_hits_dealt, 5);
+    assert_eq!(zeekrab_info.n_penetrations_dealt, 5);
+    assert_eq!(zeekrab_info.n_hits_received, 3);
+    assert_eq!(zeekrab_info.n_penetrations_received, 3);
+    assert_eq!(zeekrab_info.n_non_penetrating_hits_received, 0);
+    assert_eq!(zeekrab_info.victory_points_earned, 40);
+    assert_eq!(zeekrab_info.victory_points_seized, 40);
+    assert_eq!(zeekrab_info.tank_id, 26657);
+    assert_eq!(zeekrab_info.credits_earned, 37679);
+    assert_eq!(zeekrab_info.n_enemies_damaged, 2);
+    assert_eq!(zeekrab_info.n_enemies_destroyed, 1);
+
+    let balls_soup_info = &battle_results.player_results[8].info;
+    assert_eq!(balls_soup_info.damage_dealt, 2064);
+    assert_eq!(balls_soup_info.display_rating(), None);
+    assert_eq!(balls_soup_info.n_shots, 9);
+    assert_eq!(balls_soup_info.n_hits_dealt, 8);
+    assert_eq!(balls_soup_info.n_penetrations_dealt, 8);
+    assert_eq!(balls_soup_info.n_hits_received, 6);
+    assert_eq!(balls_soup_info.n_penetrations_received, 4);
+    assert_eq!(balls_soup_info.n_non_penetrating_hits_received, 2);
+    assert_eq!(balls_soup_info.tank_id, 4737);
+    assert_eq!(balls_soup_info.n_enemies_damaged, 4);
+    assert_eq!(balls_soup_info.n_enemies_destroyed, 1);
+
+    let ceaser_info = &battle_results.player_results[0].info;
+    assert_eq!(ceaser_info.damage_dealt, 919);
+    assert_eq!(ceaser_info.display_rating(), Some(4439));
+    assert_eq!(ceaser_info.n_shots, 9);
+    assert_eq!(ceaser_info.n_hits_dealt, 6);
+    assert_eq!(ceaser_info.n_penetrations_dealt, 5);
+    assert_eq!(ceaser_info.n_enemies_damaged, 3);
+    assert_eq!(ceaser_info.n_enemies_destroyed, 0);
+
+    Ok(())
+}
+
+#[test]
+fn player_info_ok() -> Result<()> {
+    let battle_results = Replay::open(File::open("tests/replays/player_results.wotbreplay")?)?
+        .read_battle_results()?;
+
+    assert_eq!(battle_results.players[1].info.clan_tag.as_deref(), Some("AN0NY"));
+
+    assert_eq!(battle_results.players[10].info.clan_tag.as_deref(), Some("BBS"));
+    assert_eq!(battle_results.players[10].info.avatar.info.kind, "legendary");
+    assert_eq!(
+        battle_results.players[10].info.avatar.info.gfx_url,
+        "https://stufficons.wgcdn.co/Gfx/avatar_UFO_legendary_anim/220523_104739_752791.webp"
+    );
+    assert_eq!(
+        battle_results.players[10].info.avatar.info.gfx2_url,
+        "https://stufficons.wgcdn.co/Gfx2/avatar_UFO_legendary_anim/220523_104755_251331.webp"
+    );
+
+    assert_eq!(battle_results.players[11].info.clan_tag, None);
+
+    Ok(())
+}
+
+#[test]
+fn victory_points_ok() -> Result<()> {
+    let battle_results = Replay::open(File::open("tests/replays/victory_points.wotbreplay")?)?
+        .read_battle_results()?;
+
+    assert_eq!(battle_results.player_results[1].info.victory_points_seized, 40);
+    assert_eq!(battle_results.player_results[1].info.victory_points_earned, 40);
+
+    assert_eq!(battle_results.player_results[3].info.victory_points_seized, 0);
+    assert_eq!(battle_results.player_results[3].info.victory_points_earned, 112);
+
+    assert_eq!(battle_results.player_results[5].info.victory_points_earned, 280);
+    assert_eq!(battle_results.player_results[5].info.victory_points_seized, 0);
 
     Ok(())
 }

tests/data.rs

@@ -0,0 +1,93 @@
+use std::fs::File;
+
+use anyhow::Result;
+use wotbreplay_parser::models::data::entity_method::EntityMethod;
+use wotbreplay_parser::models::data::payload::Payload;
+use wotbreplay_parser::replay::Replay;
+
+#[test]
+fn parse_ok() -> Result<()> {
+    let mut replay = Replay::open(File::open(
+        "tests/replays/20230429_0126__helaas_pindakaas_A140_ASTRON_REX_105_16114615898101270.wotbreplay",
+    )?)?;
+    let data = replay.read_data()?;
+
+    assert_eq!(data.client_version, "9.8.5_apple");
+    assert_eq!(data.packets.len(), 60139);
+
+    Ok(())
+}
+
+#[test]
+fn type0_ok() -> Result<()> {
+    let mut replay = Replay::open(File::open(
+        "tests/replays/20230429_0126__helaas_pindakaas_A140_ASTRON_REX_105_16114615898101270.wotbreplay",
+    )?)?;
+    let data = replay.read_data()?;
+
+    let (author_nickname, arena_unique_id, arena_type_id, type_0) = data
+        .packets
+        .iter()
+        .filter_map(|packet| {
+            if let Payload::Type0 {
+                author_nickname,
+                arena_unique_id,
+                arena_type_id,
+                type_0,
+            } = &packet.payload
+            {
+                Some((author_nickname, arena_unique_id, arena_type_id, type_0))
+            } else {
+                None
+            }
+        })
+        .next()
+        .unwrap();
+    assert_eq!(author_nickname, "helaas_pindakaas");
+    assert_eq!(*arena_unique_id, 16114615898101270);
+    assert_eq!(*arena_type_id, 43);
+    assert_eq!(type_0.battle_level, 9);
+    assert_eq!(type_0.battle_category_id, 13);
+    assert!(type_0.is_mouse_enabled);
+    assert_eq!(type_0.matchmaker_type, 2);
+    assert_eq!(type_0.camouflage_slot, 1);
+    assert_eq!(type_0.average_mmr, [Some(59.29457753400008), Some(99.34182121604681)]);
+    assert_eq!(
+        type_0.account_database_ids,
+        [
+            517033644, 537867068, 597583401, 601893865, 576810156, 531053956, 599580824, 558025185,
+            526927603, 594778041, 505587490, 597422303, 531923111, 587617355
+        ]
+    );
+
+    Ok(())
+}
+
+#[test]
+fn subtype_2f_players_ok() -> Result<()> {
+    let mut replay = Replay::open(File::open(
+        "tests/replays/20230429_0126__helaas_pindakaas_A140_ASTRON_REX_105_16114615898101270.wotbreplay",
+    )?)?;
+    let data = replay.read_data()?;
+
+    let players = data
+        .packets
+        .iter()
+        .filter_map(|packet| match &packet.payload {
+            Payload::EntityMethod(EntityMethod::Subtype2F { sub_type_2f, .. }) => {
+                sub_type_2f.players.as_ref()
+            }
+            _ => None,
+        })
+        .next()
+        .unwrap();
+
+    assert_eq!(players.players.len(), 14);
+    assert_eq!(players.players[1].team_number, 1);
+    assert_eq!(players.players[1].nickname, "Igrok_WoT_blitz");
+    assert_eq!(players.players[1].account_id, 597583401);
+    assert_eq!(players.players[1].platoon_number, None);
+    assert_eq!(players.players[1].clan_tag, Some("F_ANG".to_string()));
+
+    Ok(())
+}

tests/meta.rs

@@ -0,0 +1,18 @@
+#![cfg(feature = "meta")]
+
+use std::fs::File;
+
+use anyhow::Result;
+use wotbreplay_parser::replay::Replay;
+
+#[test]
+fn meta_ok() -> Result<()> {
+    let meta = Replay::open(File::open("tests/replays/player_results.wotbreplay")?)?.read_meta()?;
+
+    assert_eq!(meta.player_name, "zeekrab");
+    assert_eq!(meta.arena_unique_id, "1661909200500084");
+    assert_eq!(meta.battle_duration_secs, 164.08485);
+    assert_eq!(meta.tank_id, 26657);
+
+    Ok(())
+}

tests/replays/.gitattributes

@@ -0,0 +1 @@
+*.wotbreplay linguist-generated