add draw.ts and bufferIO.ts

src/api/ocgcore/ocgAdapter/bufferIO.ts

+const OFFSET_UINT8 = 1;
+const OFFSET_INT8 = 1;
+const OFFSET_UINT32 = 4;
+
+export class BufferReader {
+  dataView: DataView;
+  littleEndian: boolean;
+  offset: number;
+
+  constructor(data: Uint8Array, littleEndian: boolean) {
+    this.dataView = new DataView(data.buffer);
+    this.littleEndian = littleEndian;
+    this.offset = 0;
+  }
+
+  readUint8(): number {
+    const ret = this.dataView.getUint8(this.offset);
+    this.offset += OFFSET_UINT8;
+
+    return ret;
+  }
+
+  readInt8(): number {
+    const ret = this.dataView.getInt8(this.offset);
+    this.offset += OFFSET_INT8;
+
+    return ret;
+  }
+
+  readUint32(): number {
+    const ret = this.dataView.getUint32(this.offset, this.littleEndian);
+    this.offset += OFFSET_UINT32;
+
+    return ret;
+  }
+}

src/api/ocgcore/ocgAdapter/protoDecl.ts

@@ -24,3 +24,4 @@ export const STOC_DUEL_START = 21;
 export const STOC_GAME_MSG = 1;
 
 export const MSG_START = 4;
+export const MSG_DRAW = 90;

src/api/ocgcore/ocgAdapter/stoc/stocGameMsg/draw.ts

+import { ygopro } from "../../../idl/ocgcore";
+import { BufferReader } from "../../bufferIO";
+
+const LITTLE_ENDIAN = true;
+
+/*
+ * MSG Draw
+ *
+ * @param player: char - 玩家编号
+ *
+ * @usage - 玩家抽卡内容
+ * */
+export default (data: Uint8Array) => {
+  const reader = new BufferReader(data, LITTLE_ENDIAN);
+
+  const player = reader.readUint8();
+  const count = reader.readUint8();
+
+  let hands: number[] = [];
+  for (let i = 0; i < count; i++) {
+    hands.push(reader.readUint32());
+  }
+
+  // TODO
+};

src/api/ocgcore/ocgAdapter/stoc/stocGameMsg/mod.ts

@@ -5,7 +5,7 @@
 
 import { ygopro } from "../../../idl/ocgcore";
 import { YgoProPacket, StocAdapter } from "../../packet";
-import { MSG_START } from "../../protoDecl";
+import * as GAME_MSG from "../../protoDecl";
 import MsgStartAdapter from "./start";
 
 /*
@@ -32,11 +32,16 @@ export default class GameMsgAdapter implements StocAdapter {
     const gameMsg = new ygopro.StocGameMessage({});
 
     switch (func) {
-      case MSG_START: {
+      case GAME_MSG.MSG_START: {
         gameMsg.start = MsgStartAdapter(gameData);
 
         break;
       }
+      case GAME_MSG.MSG_DRAW: {
+        // TODO
+
+        break;
+      }
       default: {
         console.log("Unhandled GameMessage function=", func);