WIP: procmacro for automatic packet generation

protocol-derive/src/lib.rs

@@ -0,0 +1,28 @@
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+use quote::quote;
+use syn::{parse_macro_input, DeriveInput};
+
+#[proc_macro_derive(MinecraftPacket)]
+pub fn derive_packet(input: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(input as DeriveInput);
+
+    let name = input.ident;
+
+    let output = quote! {
+        impl minecraft_protocol::Packet for #name {
+            type Output = Self;
+
+            fn encode<W: Write>(&self, writer: &mut W) -> Result<(), EncodeError> {
+
+            }
+
+            fn decode<R: Read>(reader: &mut R) -> Result<Self::Output, DecodeError> {
+
+            }
+        }
+    };
+
+    TokenStream::from(output)
+}