idz: Add UpdateExpedition command

src/idz/userdb/decoder/updateExpedition.ts

@@ -0,0 +1,13 @@
+import { UpdateExpeditionRequest } from "../request/updateExpedition";
+
+updateExpedition.msgCode = 0x013F;
+updateExpedition.msgLen = 0x0010;
+
+export function updateExpedition(
+  buf: Buffer
+): UpdateExpeditionRequest {
+  return {
+    type: "update_expedition_req",
+    expeditionRequestType: buf.readUInt32LE(0x0004),
+  };
+}

src/idz/userdb/encoder/updateExpedition.ts

@@ -0,0 +1,18 @@
+import { UpdateExpeditionResponse } from "../response/updateExpedition";
+
+export function updateExpedition(res: UpdateExpeditionResponse) {
+  let buf: Buffer;
+
+  if (res.expeditionType == 0) {
+    buf = Buffer.alloc(0x0040);
+    buf.writeInt16LE(1, 0x0000);
+  } else {
+    buf = Buffer.alloc(0x19f0);
+    buf.writeInt16LE(0x0140, 0x0000);
+    // Experiments used to live here, removed because they're a not-really
+    // working mess. Hopefully, one day there will be beautiful code
+    // here, that works and makes people happy. One day.
+  }
+
+  return buf;
+}

src/idz/userdb/handler/updateExpedition.ts

@@ -0,0 +1,14 @@
+import { UpdateExpeditionRequest } from "../request/updateExpedition";
+import { UpdateExpeditionResponse } from "../response/updateExpedition";
+import { Repositories } from "../repo";
+
+export async function updateExpedition(
+  w: Repositories,
+  req: UpdateExpeditionRequest
+): Promise<UpdateExpeditionResponse> {
+
+  return {
+    type: "update_expedition_res",
+    expeditionType: req.expeditionRequestType,
+  };
+}

src/idz/userdb/request/updateExpedition.ts

@@ -0,0 +1,4 @@
+export interface UpdateExpeditionRequest {
+  type: "update_expedition_req";
+  expeditionRequestType: number;
+}

src/idz/userdb/response/updateExpedition.ts

@@ -0,0 +1,4 @@
+export interface UpdateExpeditionResponse {
+  type: "update_expedition_res";
+  expeditionType: number;
+}