add ProtocolPacket::name function

Author: mat-1

azalea-protocol/azalea-protocol-macros/src/lib.rs

@@ -196,6 +196,8 @@ pub fn declare_state_packets(input: TokenStream) -> TokenStream {
     let mut serverbound_enum_contents = quote!();
     let mut clientbound_id_match_contents = quote!();
     let mut serverbound_id_match_contents = quote!();
+    let mut clientbound_name_match_contents = quote!();
+    let mut serverbound_name_match_contents = quote!();
     let mut clientbound_write_match_contents = quote!();
     let mut serverbound_write_match_contents = quote!();
     let mut clientbound_read_match_contents = quote!();
@@ -218,7 +220,10 @@ pub fn declare_state_packets(input: TokenStream) -> TokenStream {
             #variant_name(#module_name::#struct_name),
         });
         clientbound_id_match_contents.extend(quote! {
-            #clientbound_state_name::#variant_name(_packet) => #id,
+            #clientbound_state_name::#variant_name(..) => #id,
+        });
+        clientbound_name_match_contents.extend(quote! {
+            #clientbound_state_name::#variant_name(..) => #packet_name_litstr,
         });
         clientbound_write_match_contents.extend(quote! {
             #clientbound_state_name::#variant_name(packet) => packet.write(buf),
@@ -267,7 +272,10 @@ pub fn declare_state_packets(input: TokenStream) -> TokenStream {
             #variant_name(#module_name::#struct_name),
         });
         serverbound_id_match_contents.extend(quote! {
-            #serverbound_state_name::#variant_name(_packet) => #id,
+            #serverbound_state_name::#variant_name(..) => #id,
+        });
+        serverbound_name_match_contents.extend(quote! {
+            #serverbound_state_name::#variant_name(..) => #packet_name_litstr,
         });
         serverbound_write_match_contents.extend(quote! {
             #serverbound_state_name::#variant_name(packet) => packet.write(buf),
@@ -297,6 +305,9 @@ pub fn declare_state_packets(input: TokenStream) -> TokenStream {
         serverbound_id_match_contents.extend(quote! {
             _ => unreachable!("This enum is empty and can't exist.")
         });
+        serverbound_name_match_contents.extend(quote! {
+            _ => unreachable!("This enum is empty and can't exist.")
+        });
         serverbound_write_match_contents.extend(quote! {
             _ => unreachable!("This enum is empty and can't exist.")
         });
@@ -305,6 +316,9 @@ pub fn declare_state_packets(input: TokenStream) -> TokenStream {
         clientbound_id_match_contents.extend(quote! {
             _ => unreachable!("This enum is empty and can't exist.")
         });
+        clientbound_name_match_contents.extend(quote! {
+            _ => unreachable!("This enum is empty and can't exist.")
+        });
         clientbound_write_match_contents.extend(quote! {
             _ => unreachable!("This enum is empty and can't exist.")
         });
@@ -338,6 +352,12 @@ pub fn declare_state_packets(input: TokenStream) -> TokenStream {
                 }
             }
 
+            fn name(&self) -> &'static str {
+                match self {
+                    #serverbound_name_match_contents
+                }
+            }
+
             fn write(&self, buf: &mut impl std::io::Write) -> Result<(), std::io::Error> {
                 match self {
                     #serverbound_write_match_contents
@@ -376,6 +396,12 @@ pub fn declare_state_packets(input: TokenStream) -> TokenStream {
                 }
             }
 
+            fn name(&self) -> &'static str {
+                match self {
+                    #clientbound_name_match_contents
+                }
+            }
+
             fn write(&self, buf: &mut impl std::io::Write) -> Result<(), std::io::Error> {
                 match self {
                     #clientbound_write_match_contents

azalea-protocol/src/packets/mod.rs

@@ -44,6 +44,12 @@ where
 {
     fn id(&self) -> u32;
 
+    /// Returns Mojang's resource name for the packet.
+    ///
+    /// This doesn't include the "minecraft:" prefix, it just returns a string
+    /// like `pong`.
+    fn name(&self) -> &'static str;
+
     /// Read a packet by its id, `ConnectionProtocol`, and flow
     fn read(id: u32, buf: &mut Cursor<&[u8]>) -> Result<Self, Box<ReadPacketError>>;