initial commit

src/server/packet.rs

@@ -0,0 +1,131 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone)]
+pub enum Packet {
+    Raw(RawPacket),
+    Notification(NotificationPacket),
+}
+
+impl Packet {
+    pub fn get_header(&self) -> u32 {
+        match self {
+            Self::Raw(raw) => raw.header,
+            Self::Notification(msg) => self.get_data().len() as u32,
+        }
+    }
+
+    pub fn get_data(&self) -> &[u8] {
+        match self {
+            Self::Raw(raw) => &raw.data,
+            Self::Notification(p) => p.0.as_bytes(),
+        }
+    }
+
+    pub fn get_code(&self) -> Option<char> {
+        match self {
+            Self::Raw(raw) => raw.data.get(0).map(|c| *c as char),
+            Self::Notification(_) => Some('J'),
+        }
+    }
+
+    pub fn set_data(&mut self, data: Vec<u8>) {
+        match self {
+            Self::Raw(raw) => raw.data = data,
+            Self::Notification(_) => todo!(),
+        }
+    }
+
+    pub fn set_header(&mut self, header: u32) {
+        match self {
+            Self::Raw(raw) => raw.header = header,
+            Self::Notification(_) => todo!(),
+        }
+    }
+
+    pub fn data_as_string(&self) -> String {
+        String::from_utf8_lossy(&self.get_data()).to_string()
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct NotificationPacket(String);
+
+impl NotificationPacket {
+    pub fn new<S: Into<String>>(msg: S) -> Self {
+        Self(format!("J{}", msg.into()))
+    }
+}
+
+/// Protocol:
+/// Header: 4 bytes, contains data size
+/// Data: Contains packet data
+#[derive(Clone)]
+pub struct RawPacket {
+    pub header: u32,
+    pub data: Vec<u8>,
+}
+
+impl RawPacket {
+    pub fn from_code(code: char) -> Self {
+        Self {
+            header: 1,
+            data: vec![code as u8],
+        }
+    }
+
+    pub fn from_str(str_data: &str) -> Self {
+        let data = str_data.as_bytes().to_vec();
+        Self {
+            header: data.len() as u32,
+            data: data,
+        }
+    }
+
+    pub fn data_as_string(&self) -> String {
+        String::from_utf8_lossy(&self.data).to_string()
+    }
+}
+
+impl std::fmt::Debug for RawPacket {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
+        write!(
+            f,
+            "Header: `{:?}` - Bytes: `{:?}` - String: `{}`",
+            self.header,
+            self.data,
+            self.data_as_string()
+        )?;
+        Ok(())
+    }
+}
+
+#[derive(Default, Serialize, Deserialize)]
+pub struct RespawnPacketData {
+    pub pos: RespawnPacketDataPos,
+    pub rot: RespawnPacketDataRot,
+}
+
+#[derive(Default, Serialize, Deserialize)]
+pub struct RespawnPacketDataPos {
+    pub x: f64,
+    pub y: f64,
+    pub z: f64,
+}
+
+#[derive(Default, Serialize, Deserialize)]
+pub struct RespawnPacketDataRot {
+    pub x: f64,
+    pub y: f64,
+    pub z: f64,
+    pub w: f64,
+}
+
+#[derive(Default, Serialize, Deserialize)]
+pub struct TransformPacket {
+    pub rvel: [f64; 3],
+    pub tim: f64,
+    pub pos: [f64; 3],
+    pub ping: f64,
+    pub rot: [f64; 4],
+    pub vel: [f64; 3],
+}