atomising item use: hunger effect

src/effects/targeting.rs

@@ -8,3 +8,13 @@ pub fn entity_position(ecs: &World, target: Entity) -> Option<usize> {
     }
     return None;
 }
+
+pub fn aoe_tiles(map: &Map, target: rltk::Point, radius: i32) -> Vec<usize> {
+    let mut blast_tiles = rltk::field_of_view(target, radius, &*map);
+    blast_tiles.retain(|p| p.x > 0 && p.x < map.width - 1 && p.y > 0 && p.y < map.height - 1);
+    let mut result = Vec::new();
+    for t in blast_tiles.iter() {
+        result.push(map.xy_idx(t.x, t.y));
+    }
+    result
+}