Creating a quest system for a collecting keys mission

Now that we have our super decoupled global event system, we’ll immediately put it to good use. Referring again to our GDD, we know that the player, at some point, has to collect some key pieces to solve a puzzle so that they can advance:

What is the secondary game mechanic for the adventure game?

The player will search the environment for hidden parts of a key. The pieces will need to be combined correctly as input to gain access to the entryway of the habitat station.

Table 9.1 – GDD quest reference

A typical game system that can support “collecting a certain number of items” is a quest system. A possibly more simplified approach, but also a system-based approach to solving this problem, could be a basic inventory system. A quest system, however, will offer additional opportunities to provide a more complete...