Rogue: Savage Rats, a retro-themed dungeon crawler
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rogue-savage-rats/src/mightypork/gamecore/core/AppBackend.java

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package mightypork.gamecore.core;
import mightypork.gamecore.audio.AudioModule;
import mightypork.gamecore.graphics.GraphicsModule;
import mightypork.gamecore.input.InputModule;
import mightypork.utils.eventbus.clients.BusNode;
/**
* Application backend interface (set of core modules).<br>
* The goal of this abstraction is to allow easy migration to different
* environment with different libraries etc. It should be as simple as using
* different backend.
*
* @author MightyPork
*/
public abstract class AppBackend extends BusNode {
protected App app;
/**
* Assign an app instance.
*
* @param app app
*/
public void bind(App app)
{
if (this.app != null) {
throw new IllegalStateException("App already set.");
}
this.app = app;
}
/**
* Initialize backend modules, add them to event bus.
*/
public abstract void initialize();
/**
* Get graphics module (screen manager, texture and font loader, renderer)
*
* @return graphics module
*/
public abstract GraphicsModule getGraphics();
/**
* Get audio module (
*
* @return audio module
*/
public abstract AudioModule getAudio();
/**
* Get input module
*
* @return input module
*/
public abstract InputModule getInput();
}