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use std::rc::Rc;

mod lcg;
pub use self::lcg::LayerLCG;

mod layer_island;
pub use self::layer_island::GenIsland;
mod layer_zoom;
pub use self::layer_zoom::{ GenZoom, ZoomType };
//mod layer_blend;
//pub use self::layer_blend::{ GenBlend, BlendMode };
mod layer_remove_ocean;
pub use self::layer_remove_ocean::GenReduceOcean;
mod layer_simplex;
pub use self::layer_simplex::{ GenSimplex, SimplexNoiseType };

mod layer_simple_fn;
pub use self::layer_simple_fn::{ GenSimpleFn, GenSimpleFnTransformer, GenSimpleFnMixer };

use ::nalgebra::{ Vec2, Pnt2 };
use ::gen::unit::GenUnit2;

pub trait GenLayer<O: Sized> {
    fn gen(&self, world_seed: i64, pos: Pnt2<i32>, size: Vec2<u32>) -> GenUnit2<O>;
}

pub type GenL<O> = Rc<GenLayer<O>>;