Stardew Source Code File
Keep in mind that the source code is quite large, and it may require some technical expertise to navigate and understand.
The game uses Newtonsoft.Json but with custom converters to handle XNA types like Vector2 and Rectangle . Modding APIs like SMAPI wrap these converters to let modders safely add custom data. stardew source code
Without SMAPI, the closed-source parts of the game (audio engine, render loops) would be nearly impossible to extend. Keep in mind that the source code is