Particle factory registry

ParticleFactoryRegistry.java

public class ParticleFactoryRegistry {
    private static final Constructor<? extends SpriteProvider> SIMPLE_SPRITE_PROVIDER_CONSTRUCTOR;
    static {
        try {
            String intermediaryClassName = "net.minecraft.class_702$class_4090";
            String currentClassName = FabricLoader.getInstance().getMappingResolver().mapClassName("intermediary", intermediaryClassName);
            @SuppressWarnings("unchecked")
            Class<? extends SpriteProvider> clazz = (Class<? extends SpriteProvider>) Class.forName(currentClassName);
            SIMPLE_SPRITE_PROVIDER_CONSTRUCTOR = clazz.getDeclaredConstructor(ParticleManager.class);
            SIMPLE_SPRITE_PROVIDER_CONSTRUCTOR.setAccessible(true);
        } catch (Exception e) {
            throw new RuntimeException("Unable to register particles", e);
        }
    }

    public static <T extends ParticleEffect> void register(ParticleManager particleManager, ParticleType<T> particleType, SpriteAwareFactory<T> factory) {
        SpriteProvider spriteProvider;
        try {
            spriteProvider = SIMPLE_SPRITE_PROVIDER_CONSTRUCTOR.newInstance(particleManager);
        } catch (Exception e) {
            throw new RuntimeException("Unable to register particle", e);
        }
        ParticleManagerAccessor accessor = (ParticleManagerAccessor) particleManager;
        accessor.getFactories().put(Registry.PARTICLE_TYPE.getRawId(particleType), factory.create(spriteProvider));
        accessor.getSpriteAwareFactories().put(Registry.PARTICLE_TYPE.getId(particleType), spriteProvider);
    }

    @FunctionalInterface
    private interface SpriteAwareFactory <T extends ParticleEffect> {
        ParticleFactory<T> create(SpriteProvider spriteProvider);
    }
}

ParticleManagerAccessor.java

@Mixin(ParticleManager.class)
public interface ParticleManagerAccessor {
    @Accessor("factories")
    Int2ObjectMap<ParticleFactory<?>> getFactories();

    // The generic signature is actually different, this is the closest we can get, and it works due to type erasure.
    @Accessor("spriteAwareFactories")
    Map<Identifier, SpriteProvider> getSpriteAwareFactories();
}