Beginning iOS Game Center and Game Kit: For iPhone, iPad, and iPod touch

Putting Everything Together

In the last section, we learned how to receive the data that has been sent to a device. In this section, we walk through the exercise of actually using received data in a useful way for our game. We add a second player, allow movement information to be sent over the network, sync up state data across both devices (such as cow movement), track each player's score, and complete various other required overhead tasks associated with our particular game.

Selecting the Host

Let's start by improving the host selection logic that was implemented in the previous section. Right now, any data that we receive is assumed to be the host number. Because most of the data we receive will not be the host number, we need to find a way ...