1 files changed, 27 insertions, 0 deletions
diff --git a/minecraft-protocol/src/write.rs b/minecraft-protocol/src/write.rs
new file mode 100644
index 00000000..529bb210
--- /dev/null
+++ b/minecraft-protocol/src/write.rs
@@ -0,0 +1,27 @@
+use tokio::{io::AsyncWriteExt, net::TcpStream};
+
+use crate::{mc_buf, packets::ProtocolPacket};
+
+pub async fn write_packet(packet: impl ProtocolPacket, stream: &mut TcpStream) {
+    // TODO: implement compression
+
+    // packet structure:
+    // length (varint) + id (varint) + data
+
+    // write the packet id
+    let mut id_and_data_buf = vec![];
+    mc_buf::write_varint(&mut id_and_data_buf, packet.id() as i32);
+    packet.write(&mut id_and_data_buf);
+
+    // write the packet data
+
+    // make a new buffer that has the length at the beginning
+    // and id+data at the end
+    let mut complete_buf: Vec<u8> = Vec::new();
+    mc_buf::write_varint(&mut complete_buf, id_and_data_buf.len() as i32);
+    complete_buf.append(&mut id_and_data_buf);
+
+    // finally, write and flush to the stream
+    stream.write_all(&complete_buf).await.unwrap();
+    stream.flush().await.unwrap();
+}