Build 121: Campaign Co-op Changes — Mindustry Steam update #672468

In light of user feedback, I will be making some changes to the way co-op works in the campaign. These changes are in no way final, and may be reverted if problems are found with the approach. Currently, the campaign only affects the host player. While clients connected to the host are allowed to use the hosts's research, they cannot progress themselves. This is because there was no straightforward way for me to carry over 5.0's "parallel progression" system with shared items, as global inventories no longer exist. To improve the co-op experience, I will be implementing the following changes: 1. Any research the host does will transfer over to all connected clients, even after they disconnect. To prevent gaps in the tech tree, every direct dependency will unlocked as well. This means is that if you connect to a host and they research a Meltdown, for example, you will permanently get the ...