New attack function for single character in characters.h, need implementation (example in shade.h)

src/characters.cc

@@ -202,6 +202,17 @@ result character::move_or_attack(const direction dir,
         return this->attack(dir, chlist);
 }
 
+result character::move_or_attack(const direction dir,
+                                 const position_list &available_positions,
+                                 character *ch) {
+        auto res = this->move(dir, available_positions);
+
+        if (res != result::fine)
+                return res;
+
+        return this->attack(dir, ch);
+}
+
 
 int calc_dmg(const int ATK, const int DEF) {
         return ceil((100 / (100 + DEF)) * ATK);