Now using a simple collision map to track entities and then determine if they're near the player for attacking.

collider.hpp

@@ -12,21 +12,18 @@ struct PointHash {
 };
 
 typedef std::vector<DinkyECS::Entity> FoundList;
+typedef std::unordered_map<Point, DinkyECS::Entity, PointHash> PointEntityMap;
 
 class SpatialHashTable {
   public:
     SpatialHashTable() {}
 
-    // disable copying, I think?
-    SpatialHashTable(SpatialHashTable &other) = delete;
-
     void insert(Point pos, DinkyECS::Entity obj);
     void move(Point from, Point to, DinkyECS::Entity ent);
     void remove(Point pos);
-    bool occupied(Point pos);
-
-    std::tuple<bool, FoundList> neighbors(Point position);
+    bool occupied(Point pos) const;
+    std::tuple<bool, FoundList> neighbors(Point position, bool diag=false) const;
 
   private:
-    std::unordered_map<Point, DinkyECS::Entity, PointHash> table;
+    PointEntityMap table;
 };