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