Merge branch 'game_msg' into 'main'

add MsgDraw

See merge request !3

idl/ocgcore.proto

@@ -193,7 +193,17 @@ message StocGameMessage {
     int32 extraSize2 = 7; // 玩家二的额外卡组数量
   }
 
-  oneof gameMsg { MsgStart start = 1; }
+  // 玩家抽卡
+  message MsgDraw {
+    int32 player = 1;         // 玩家编号
+    int32 count = 2;          // 抽卡数量
+    repeated int32 cards = 3; // 抽卡结果
+  }
+
+  oneof gameMsg {
+    MsgStart start = 1;
+    MsgDraw draw = 2;
+  }
 }
 
 // ----- common structs ------