aimedb: Deal with redundant command codes

Some messages apparently use more than one command code depending
on the game. The meaning of the 0x0006 response code is also
overloaded apparently, so that's cool. Fortunately that's the
game's problem and not ours.

src/aimedb/decoder.ts

@@ -54,6 +54,16 @@ function readLookupRequest(msg: Buffer): Request.LookupRequest {
   };
 }
 
+function readLookupRequest2(msg: Buffer): Request.LookupRequest2 {
+  const luid = msg.slice(0x0020, 0x002a).toString("hex");
+
+  return {
+    ...begin(msg),
+    type: "lookup2",
+    luid,
+  };
+}
+
 function readHelloRequest(msg: Buffer): Request.HelloRequest {
   return {
     ...begin(msg),
@@ -69,10 +79,12 @@ function readGoodbyeRequest(msg: Buffer): Request.GoodbyeRequest {
 
 const readers = new Map<number, (msg: Buffer) => Request.AimeRequest>();
 
+readers.set(0x0004, readLookupRequest);
 readers.set(0x0005, readRegisterRequest);
 readers.set(0x0009, readLogRequest);
 readers.set(0x000b, readCampaignRequest);
-readers.set(0x000f, readLookupRequest);
+readers.set(0x000d, readRegisterRequest);
+readers.set(0x000f, readLookupRequest2);
 readers.set(0x0064, readHelloRequest);
 readers.set(0x0066, readGoodbyeRequest);