Autowalker is now using the GOAP AI system and works way better. Still quite a lot of jank in the code but that'll get removed over time. Next thing is being able to detect when its near an item/enemy and properly react.

goap.hpp

@@ -12,6 +12,7 @@ namespace ai {
   using AIProfile = std::unordered_map<std::string, int>;
 
   constexpr const int SCORE_MAX = std::numeric_limits<int>::max();
+
   constexpr const size_t STATE_MAX = 32;
 
   using State = std::bitset<STATE_MAX>;
@@ -20,8 +21,8 @@ namespace ai {
   const State ALL_ONES = ~ALL_ZERO;
 
   struct Action {
-    std::string $name;
-    int $cost = 0;
+    std::string name;
+    int cost = 0;
 
     State $positive_preconds;
     State $negative_preconds;
@@ -30,16 +31,17 @@ namespace ai {
     State $negative_effects;
 
     Action(std::string name, int cost) :
-      $name(name), $cost(cost) { }
+      name(name), cost(cost) { }
 
     void needs(int name, bool val);
     void effect(int name, bool val);
+    void ignore(int name);
 
     bool can_effect(State& state);
     State apply_effect(State& state);
 
     bool operator==(const Action& other) const {
-      return other.$name == $name;
+      return other.name == name;
     }
   };
 
@@ -66,14 +68,14 @@ namespace ai {
 
   bool is_subset(State& source, State& target);
 
-  int distance_to_goal(State& from, State& to);
+  int distance_to_goal(State from, State to, Action& action);
 
   ActionPlan plan_actions(std::vector<Action>& actions, State start, State goal);
 }
 
 template<> struct std::hash<ai::Action> {
   size_t operator()(const ai::Action& p) const {
-    return std::hash<std::string>{}(p.$name);
+    return std::hash<std::string>{}(p.name);
   }
 };