--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/lib-hwengine-future/src/lib.rs	Mon Jan 02 15:59:26 2023 +0100
@@ -0,0 +1,56 @@
+use integral_geometry::{Point, Size};
+use land2d;
+
+#[repr(C)]
+pub struct GameField {
+    collision: land2d::Land2D<u16>,
+    pixels: land2d::Land2D<u32>,
+}
+
+#[no_mangle]
+pub extern "C" fn create_game_field(width: u32, height: u32) -> *mut GameField {
+    let game_field = Box::new(GameField {
+        collision: land2d::Land2D::new(Size::new(width as usize, height as usize), 0),
+        pixels: land2d::Land2D::new(Size::new(width as usize, height as usize), 0),
+    });
+
+    Box::leak(game_field)
+}
+
+#[no_mangle]
+pub extern "C" fn land_get(game_field: &mut GameField, x: i32, y: i32) -> u16 {
+    game_field.collision.map(y, x, |p| *p)
+}
+
+#[no_mangle]
+pub extern "C" fn land_fill(
+    game_field: &mut GameField,
+    x: i32,
+    y: i32,
+    border_value: u16,
+    fill_value: u16,
+) {
+    game_field
+        .collision
+        .fill(Point::new(x, y), border_value, fill_value)
+}
+
+#[no_mangle]
+pub extern "C" fn land_set(game_field: &mut GameField, x: i32, y: i32, value: u16) {
+    game_field.collision.map(y, x, |p| *p = value);
+}
+
+#[no_mangle]
+pub extern "C" fn land_pixel_get(game_field: &mut GameField, x: i32, y: i32) -> u32 {
+    game_field.pixels.map(y, x, |p| *p)
+}
+
+#[no_mangle]
+pub extern "C" fn land_pixel_set(game_field: &mut GameField, x: i32, y: i32, value: u32) {
+    game_field.pixels.map(y, x, |p| *p = value);
+}
+
+#[no_mangle]
+pub extern "C" fn dispose_game_field(game_field: *mut GameField) {
+    unsafe { drop(Box::from_raw(game_field)) };
+}