r/libgdx • u/gabomastr • Apr 18 '26

The turn-based RPG I've been developing lately

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I wanted to share some progress on the turn-based RPG I’ve been developing. It’s been about 5 months of intense trial and error, but I’ve finally reached a major milestone: having multiple complex systems running simultaneously.

This is my first time tackling this kind of architecture, and it’s been a massive learning curve. Here’s what’s under the hood so far:

  • Custom Tile Renderer & Level Loader: Using LDTK for map design with my own rendering logic.
  • Turn-Based Combat: A functional system managing the flow of battle (not perfect tho).
  • Event Bus: To keep the architecture clean and ensure systems stay decoupled.
  • Menu Stack: Handling UI navigation, nested menus.
  • Inventory & Save/Load: A persistent system to manage items and player progress.

I still have so many pending steps like quest system, screen management, leveling and exp... but I'm very happy with the progress despite is taking a lot of time my main goal is learning to develop a good architecture and having fun developing.

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u/ghosthemonarch Apr 18 '26

This is awesome! Do you have a github with the project?

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u/gabomastr Apr 18 '26

Hello! No not yet, soon I would like to share the project :D

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u/ghosthemonarch Apr 18 '26

Awesome mate! Just a question, do you have any tutorials on how you implemented the battle system?

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u/gabomastr Apr 18 '26

No no tutorials, actually that was the most chaotic part! I redid the combat system like 3 times from zero. I can explain you my last approach but still I'm not very sure if its okay.

The combat screen is composed by 3 main classes. A manager to centralize the logic, a battlefield to draw the actors and a menu overlay to show actions and options.

From the screen I inject an event bust to these three classes. The manager uses a state machine pattern so every state can handle the events. Battlefield and Menu emits and react to the event bus when an action occurs.

For example:
When a unit is selected on the Battlefield, it fires an event and the menu (which is listening a "UnitSelectedEvent") reacts and show the menu options.

If you want to know more just let me know I'm glad to explain