Unity Game Optimization - Third Edition

A global messaging system

The final suggested approach to solve the problem of interobject communication is to implement a global messaging system that any object can access and send messages through to any object that may be interested in listening to that specific type of message. Objects can send messages or listen for them (sometimes both!), and the responsibility is on the listener to decide what messages they are interested in. The message sender can broadcast the message without caring at all who is listening, and a message can be sent through the system regardless of the specific contents of the message. This approach is by far the most complex and may require some effort to implement and maintain, but it is an excellent long-term ...