Displaying Upgrades

     The problem I ran into this week was implementing the tower upgrade display on the placeable towers build overlay. The issue was that all the information I needed to display the upgrades was not made with the intention of using it outside of the upgrade shop. However, the upgrade shop fires a broadcast that an upgrade has been purchased.

Using this broadcast, I bound some events to listen when an upgrade had been purchased and hijacked the information I needed from that event.

From there I stored each upgrade as they are only fired once through the playthrough of the level.
Using the stored values, after cast checking the current targeted tower, I use the information to populate a upgrade display widget and place it in the upgrade section of the build overlay.
And the result is the build overlay showing the upgrade with the icon, name, and description.


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