1 files changed, 24 insertions, 0 deletions
diff --git a/src/sim/rb_sim/rb_entity.rs b/src/sim/rb_sim/rb_entity.rs
new file mode 100644
index 0000000..50243bc
--- /dev/null
+++ b/src/sim/rb_sim/rb_entity.rs
@@ -0,0 +1,24 @@
+use rapier2d::prelude;
+
+use crate::{
+    config::{CELLS_IN_CHUNK, CHUNK_SIZE},
+    sim::cell::cell::Cell,
+};
+
+pub struct RbEntity {
+    pub id: u32,
+    // TODO resizable
+    pub cells: Box<[Cell; CELLS_IN_CHUNK]>,
+    pub rb_parent: prelude::RigidBodyHandle,
+}
+
+impl RbEntity {
+    #[inline]
+    pub fn get_cell_at_local_position(&self, x: u8, y: u8) -> Cell {
+        self.cells[x as usize + y as usize * CHUNK_SIZE as usize]
+    }
+    #[inline]
+    pub fn set_cell_at_local_position(&mut self, x: u8, y: u8, cell: Cell) {
+        self.cells[x as usize + y as usize * CHUNK_SIZE as usize] = cell;
+    }
+}