112 lines
3.0 KiB
Rust
112 lines
3.0 KiB
Rust
use std::io::{Seek, SeekFrom};
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use psopacket::pso_message;
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use crate::{PSOPacketData, PacketParseError};
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pub trait PSOMessage {
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const CMD: u8;
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fn from_bytes<R: std::io::Read + std::io::Seek>(cur: &mut R) -> Result<Self, PacketParseError> where Self: Sized;
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fn as_bytes(&self) -> Vec<u8>;
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}
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#[pso_message(0x40)]
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pub struct PlayerWalking {
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x: f32,
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y: f32,
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z: f32,
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}
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#[pso_message(0x42)]
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pub struct PlayerRunning {
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x: f32,
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z: f32,
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}
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#[pso_message(0x3E)]
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pub struct PlayerStopped {
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unknown1: u32,
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unknown2: u32,
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x: f32,
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y: f32,
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z: f32,
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}
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#[pso_message(0x1F)]
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pub struct PlayerChangedMap {
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unknown1: u32,
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unknown2: u32,
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x: f32,
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y: f32,
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z: f32,
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}
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#[pso_message(0x1F)]
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pub struct PlayerChangedMap2 {
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unknown1: u32,
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}
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#[pso_message(0x3F)]
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pub struct PlayerLoadedIn {
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unknown1: u32,
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unknown2: u32,
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x: f32,
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y: f32,
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z: f32,
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}
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#[pso_message(0x23)]
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pub struct PlayerDoneChangingMap {
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}
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#[derive(Debug, Clone, PartialEq)]
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pub enum GameMessage {
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PlayerWalking(PlayerWalking),
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PlayerRunning(PlayerRunning),
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PlayerStopped(PlayerStopped),
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PlayerLoadedIn(PlayerLoadedIn),
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PlayerChangedMap(PlayerChangedMap),
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PlayerChangedMap2(PlayerChangedMap2),
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PlayerDoneChangingMap(PlayerDoneChangingMap),
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}
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impl PSOPacketData for GameMessage {
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fn from_bytes<R: std::io::Read + std::io::Seek>(mut cur: &mut R) -> Result<Self, PacketParseError> {
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let mut byte = [0u8; 1];
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let mut len = [0u8; 1];
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cur.read(&mut byte);
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cur.read(&mut len);
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cur.seek(SeekFrom::Current(-2)); // Cursor doesn't implement Peek?
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match byte[0] {
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PlayerWalking::CMD => Ok(GameMessage::PlayerWalking(PlayerWalking::from_bytes(&mut cur)?)),
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PlayerRunning::CMD => Ok(GameMessage::PlayerRunning(PlayerRunning::from_bytes(&mut cur)?)),
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PlayerStopped::CMD => Ok(GameMessage::PlayerStopped(PlayerStopped::from_bytes(&mut cur)?)),
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PlayerLoadedIn::CMD => Ok(GameMessage::PlayerLoadedIn(PlayerLoadedIn::from_bytes(&mut cur)?)),
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PlayerChangedMap::CMD if len[0] == 6 => Ok(GameMessage::PlayerChangedMap(PlayerChangedMap::from_bytes(&mut cur)?)),
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PlayerChangedMap2::CMD if len[0] == 2 => Ok(GameMessage::PlayerChangedMap2(PlayerChangedMap2::from_bytes(&mut cur)?)),
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PlayerDoneChangingMap::CMD => Ok(GameMessage::PlayerDoneChangingMap(PlayerDoneChangingMap::from_bytes(&mut cur)?)),
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_ => Err(PacketParseError::WrongPacketCommand),
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}
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}
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fn as_bytes(&self) -> Vec<u8> {
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match self {
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GameMessage::PlayerWalking(data) => data.as_bytes(),
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GameMessage::PlayerRunning(data) => data.as_bytes(),
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GameMessage::PlayerStopped(data) => data.as_bytes(),
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GameMessage::PlayerLoadedIn(data) => data.as_bytes(),
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GameMessage::PlayerChangedMap(data) => data.as_bytes(),
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GameMessage::PlayerChangedMap2(data) => data.as_bytes(),
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GameMessage::PlayerDoneChangingMap(data) => data.as_bytes(),
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}
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}
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}
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