diff -r 8d9e3af8abce -r 7d3b94cdc3c4 rust/hedgewars-engine/src/lib.rs
--- a/rust/hedgewars-engine/src/lib.rs	Wed Nov 07 15:18:09 2018 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,55 +0,0 @@
-extern crate integral_geometry;
-extern crate land2d;
-extern crate landgen;
-extern crate lfprng;
-
-mod world;
-
-#[repr(C)]
-pub struct EngineInstance {
-    world: world::World,
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub struct PreviewInfo {
-    width: u32,
-    height: u32,
-    hedgehogs_number: u8,
-    land: *const u8,
-}
-
-#[no_mangle]
-pub extern "C" fn protocol_version() -> u32 {
-    56
-}
-
-#[no_mangle]
-pub extern "C" fn start_engine() -> *mut EngineInstance {
-    let engine_state = Box::new(EngineInstance {
-        world: world::World::new(),
-    });
-
-    Box::leak(engine_state)
-}
-
-#[no_mangle]
-pub extern "C" fn generate_preview(engine_state: &mut EngineInstance, preview: &mut PreviewInfo) {
-    (*engine_state).world.generate_preview();
-
-    let land_preview = (*engine_state).world.preview();
-
-    *preview = PreviewInfo {
-        width: land_preview.width() as u32,
-        height: land_preview.height() as u32,
-        hedgehogs_number: 0,
-        land: land_preview.raw_pixels().as_ptr(),
-    };
-}
-
-#[no_mangle]
-pub extern "C" fn cleanup(engine_state: *mut EngineInstance) {
-    unsafe {
-        Box::from_raw(engine_state);
-    }
-}