on
Called when an opponent sent a GameActionMessage. This method is supposed to act as a fallback solution if not for all Subclasses of GameAction a dedicated handler was registered using GameActionReceiver annotation.
Register a message receiver for a message type 'ExampleGameAction' by declaring a function
fun yourFunctionName(yourParameterName1 : ExampleGameAction, yourParameterName2: String) { }
The BGW framework will automatically choose a function to invoke based on the declared parameter types.
Parameters
message
The GameAction received from the opponent.
sender
The opponents identification.