diff -r b273b43b16d2 -r 8354b390f1a2 rust/hedgewars-engine/src/world.rs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/hedgewars-engine/src/world.rs	Wed Nov 07 15:59:51 2018 +0100
@@ -0,0 +1,44 @@
+use integral_geometry::{Point, Rect, Size};
+use land2d::Land2D;
+use landgen::{
+    outline_template::OutlineTemplate, template_based::TemplatedLandGenerator,
+    LandGenerationParameters, LandGenerator,
+};
+use lfprng::LaggedFibonacciPRNG;
+
+pub struct World {
+    random_numbers_gen: LaggedFibonacciPRNG,
+    preview: Land2D<u8>,
+}
+
+impl World {
+    pub fn new() -> Self {
+        Self {
+            random_numbers_gen: LaggedFibonacciPRNG::new(&[]),
+            preview: Land2D::new(Size::new(0, 0), 0),
+        }
+    }
+
+    pub fn preview(&self) -> &Land2D<u8> {
+        &self.preview
+    }
+
+    pub fn generate_preview(&mut self) {
+        fn template() -> OutlineTemplate {
+            let mut template = OutlineTemplate::new(Size::new(4096, 2048));
+            template.islands = vec![vec![
+                Rect::from_size_coords(100, 2050, 1, 1),
+                Rect::from_size_coords(100, 500, 400, 1200),
+                Rect::from_size_coords(3600, 500, 400, 1200),
+                Rect::from_size_coords(3900, 2050, 1, 1),
+            ]];
+            template.fill_points = vec![Point::new(1, 0)];
+
+            template
+        }
+
+        let params = LandGenerationParameters::new(0 as u8, 255, 5, false, false);
+        let landgen = TemplatedLandGenerator::new(template());
+        self.preview = landgen.generate_land(&params, &mut self.random_numbers_gen);
+    }
+}