Building a save system for level objects in Unity Pt. 2 - Usable Objects   This builds on https://www.gamedev.net/blogs/entry/2266638-building-a-save-system-for-level-objects-in-unity-pt1-checkpoin…

Building a save system for level objects in Unity Pt1 - Checkpoints   As the player moves along in a game and interacts with different objects in the world, the aim is  to reflect his actions in the game by changing the state of objects permanently. For example, a door is open…