implement changing weapons

src/server/packets/DressAvatarCsReq.ts

@@ -0,0 +1,16 @@
+import { DressAvatarCsReq, DressAvatarScRsp } from "../../data/proto/StarRail";
+import Avatar from "../../db/Avatar";
+import Packet from "../kcp/Packet";
+import Session from "../kcp/Session";
+
+export default async function handle(session: Session, packet: Packet) {
+    const body = packet.body as DressAvatarCsReq;
+
+    let avatar = await Avatar.loadAvatarForPlayer(session.player, body.baseAvatarId);
+
+    avatar.db.equipmentUniqueId = body.equipmentUniqueId;
+    await avatar.save();
+
+    session.send(DressAvatarScRsp, { retcode: 0 });
+    session.sync();
+}