syntax = "proto3";

/*********** PARTIAL MESSAGES **************/

message PositionMessage {
  int32 x = 1;
  int32 y = 2;
  enum Direction {
    UP = 0;
    RIGHT = 1;
    DOWN = 2;
    LEFT = 3;
  }
  Direction direction = 3;
  bool moving = 4;
}

message PointMessage {
  int32 x = 1;
  int32 y = 2;
}

message ViewportMessage {
  int32 left = 1;
  int32 top = 2;
  int32 right = 3;
  int32 bottom = 4;
}

/*********** CLIENT TO SERVER MESSAGES *************/

message SetPlayerDetailsMessage {
  string name = 1;
  repeated string characterLayers = 2;
}

message UserMovesMessage {
  PositionMessage position = 1;
  ViewportMessage viewport = 2;
}


/*********** SERVER TO CLIENT MESSAGES *************/

message UserMovedMessage {
  int32 userId = 1;
  PositionMessage position = 2;
}

message SubMessage {
  oneof message {
    UserMovedMessage userMovedMessage = 1;
    GroupUpdateMessage groupUpdateMessage = 2;
    GroupDeleteMessage groupDeleteMessage = 3;
  }
}

message BatchMessage {
  string event = 1;
  repeated SubMessage payload = 2;
}

message GroupUpdateMessage {
  int32 groupId = 1;
  PointMessage position = 2;
}

message GroupDeleteMessage {
  int32 groupId = 1;
}