actually generate a packet!

1 files changed, 39 insertions, 3 deletions

diff --git a/data-code-generator/packetcodegen.py b/data-code-generator/packetcodegen.py
index ccbb3845..4c59b72b 100644
--- a/data-code-generator/packetcodegen.py
+++ b/data-code-generator/packetcodegen.py
@@ -66,9 +66,7 @@ def burger_type_to_rust_type(burger_type):
 
 
 def write_packet_file(state, packet_name_snake_case, code):
-    path = os.path.join(
-        '..', f'azalea-protocol/src/packets/{state}/{packet_name_snake_case}.rs')
-    with open(path, 'w') as f:
+    with open(f'../azalea-protocol/src/packets/{state}/{packet_name_snake_case}.rs', 'w') as f:
         f.write(code)
 
 
@@ -128,3 +126,41 @@ def generate(burger_packets, mappings: Mappings):
         write_packet_file(state, to_snake_case(class_name),
                           '\n'.join(generated_packet_code))
         print()
+
+        mod_rs_dir = f'../azalea-protocol/src/packets/{state}/mod.rs'
+        with open(mod_rs_dir, 'r') as f:
+            mod_rs = f.read().splitlines()
+
+        pub_mod_line = f'pub mod {to_snake_case(class_name)};'
+        if pub_mod_line not in mod_rs:
+            mod_rs.insert(0, pub_mod_line)
+            packet_mod_rs_line = f'        {hex(packet["id"])}: {to_snake_case(class_name)}::{to_camel_case(class_name)},'
+
+            in_serverbound = False
+            in_clientbound = False
+            for i, line in enumerate(mod_rs):
+                if line.strip() == 'Serverbound => {':
+                    in_serverbound = True
+                    continue
+                elif line.strip() == 'Clientbound => {':
+                    in_clientbound = True
+                    continue
+                elif line.strip() in ('}', '},'):
+                    if (in_serverbound and direction == 'serverbound') or (in_clientbound and direction == 'clientbound'):
+                        mod_rs.insert(i, packet_mod_rs_line)
+                        break
+                    in_serverbound = in_clientbound = False
+                    continue
+
+                if line.strip() == '' or line.strip().startswith('//') or (not in_serverbound and direction == 'serverbound') or (not in_clientbound and direction == 'clientbound'):
+                    continue
+
+                line_packet_id_hex = line.strip().split(':')[0]
+                assert line_packet_id_hex.startswith('0x')
+                line_packet_id = int(line_packet_id_hex[2:], 16)
+                if line_packet_id > packet['id']:
+                    mod_rs.insert(i, packet_mod_rs_line)
+                    break
+
+            with open(mod_rs_dir, 'w') as f:
+                f.write('\n'.join(mod_rs))