Autowalker is working way better and now I have a plan for using the AI in the System.

ai_debug.cpp

@@ -1,3 +1,4 @@
+#include "ai.hpp"
 #include "ai_debug.hpp"
 
 namespace ai {
@@ -6,37 +7,39 @@ namespace ai {
    * Yeah this is weird but it's only to debug things like
    * the preconditions which are weirdly done.
    */
-  void dump_only(AIProfile& profile, State state, bool matching, bool show_as) {
+  void dump_only(State state, bool matching, bool show_as) {
-    for(auto& [name, name_id] : profile) {
+    AIProfile* profile = ai::profile();
+    for(auto& [name, name_id] : *profile) {
       if(state.test(name_id) == matching) {
         fmt::println("\t{}={}", name, show_as);
       }
     }
   }
 
-  void dump_state(AIProfile& profile, State state) {
+  void dump_state(State state) {
-    for(auto& [name, name_id] : profile) {
+    AIProfile* profile = ai::profile();
+    for(auto& [name, name_id] : *profile) {
       fmt::println("\t{}={}", name,
           state.test(name_id));
     }
   }
 
-  void dump_action(AIProfile& profile, Action& action) {
+  void dump_action(Action& action) {
     fmt::println(" --ACTION: {}, cost={}", action.name, action.cost);
 
     fmt::println("   PRECONDS:");
-    dump_only(profile, action.$positive_preconds, true, true);
+    dump_only(action.$positive_preconds, true, true);
-    dump_only(profile, action.$negative_preconds, true, false);
+    dump_only(action.$negative_preconds, true, false);
 
     fmt::println("   EFFECTS:");
-    dump_only(profile, action.$positive_effects, true, true);
+    dump_only(action.$positive_effects, true, true);
-    dump_only(profile, action.$negative_effects, true, false);
+    dump_only(action.$negative_effects, true, false);
   }
 
-  State dump_script(AIProfile& profile, std::string msg, State start, Script& script) {
+  State dump_script(std::string msg, State start, Script& script) {
     fmt::println("--SCRIPT DUMP: {}", msg);
     fmt::println("# STATE BEFORE:");
-    dump_state(profile, start);
+    dump_state(start);
     fmt::print("% ACTIONS PLANNED:");
     for(auto& action : script) {
       fmt::print("{} ", action.name);
@@ -44,11 +47,11 @@ namespace ai {
     fmt::print("\n");
 
     for(auto& action : script) {
-      dump_action(profile, action);
+      dump_action(action);
 
       start = action.apply_effect(start);
       fmt::println(" ## STATE AFTER:");
-      dump_state(profile, start);
+      dump_state(start);
     }
 
     return start;

ai_debug.hpp

@@ -2,8 +2,8 @@
 #include "goap.hpp"
 
 namespace ai {
-  void dump_only(AIProfile& profile, State state, bool matching, bool show_as);
+  void dump_only(State state, bool matching, bool show_as);
-  void dump_state(AIProfile& profile, State state);
+  void dump_state(State state);
-  void dump_action(AIProfile& profile, Action& action);
+  void dump_action(Action& action);
-  State dump_script(AIProfile& profile, std::string msg, State start, Script& script);
+  State dump_script(std::string msg, State start, Script& script);
 }

assets/ai.json

@@ -16,7 +16,6 @@
       "needs": {
         "in_combat": false,
         "no_more_enemies": false,
-        "health_good": true,
         "enemy_found": false
       },
       "effects": {
@@ -29,9 +28,9 @@
       "needs": {
         "no_more_enemies": false,
         "enemy_found": true,
-        "health_good": true,
         "enemy_dead": false
       },
+
       "effects": {
         "enemy_dead": true
       }
@@ -47,30 +46,6 @@
         "no_more_items": true
       }
     },
-    {
-      "name": "find_healing",
-      "cost": 0,
-      "needs": {
-        "enemy_found": false,
-        "in_combat": false,
-        "health_good": false,
-        "no_more_items": false
-      },
-      "effects": {
-        "health_good": true
-      }
-    },
-    {
-      "name": "use_item",
-      "cost": 0,
-      "needs": {
-        "have_item": true,
-        "health_good": true
-      },
-      "effects": {
-        "have_item": false
-      }
-    },
     {
       "name": "use_healing",
       "cost": 0,
@@ -90,23 +65,38 @@
       "enemy_dead": false,
       "health_good": true,
       "no_more_items": false,
-      "no_more_enemies": false
+      "no_more_enemies": false,
+      "in_combat": false,
+      "have_item": false,
+      "have_healing": false
     },
     "Walker::final_state": {
       "enemy_found": true,
       "enemy_dead": true,
       "health_good": true,
       "no_more_items": true,
+      "in_combat": false,
       "no_more_enemies": true
+    },
+    "Enemy::initial_state": {
+      "enemy_found": false,
+      "enemy_dead": false,
+      "health_good": true,
+      "in_combat": false
+    },
+    "Enemy::final_state": {
+      "enemy_found": true,
+      "enemy_dead": true,
+      "health_good": true
     }
   },
   "scripts": {
     "Walker::actions":
       ["find_enemy",
       "kill_enemy",
-      "find_healing",
       "collect_items",
-      "use_item",
+      "use_healing"],
-      "use_healing"]
+    "Enemy::actions":
+      ["find_enemy", "kill_enemy"]
   }
 }

assets/config.json

@@ -54,8 +54,8 @@
     "tunnel_with_rocks_stage": "assets/tunnel_with_rocks_stage.png"
   },
   "worldgen": {
-    "enemy_probability": 30,
+    "enemy_probability": 50,
-    "empty_room_probability": 10,
+    "empty_room_probability": 1,
     "device_probability": 10
   }
 }

autowalker.cpp

@@ -1,6 +1,6 @@
 #include "autowalker.hpp"
 #include "inventory.hpp"
-#include "ai.hpp"
+#include "ai_debug.hpp"
 
 template<typename Comp>
 int number_left(gui::FSM& fsm) {
@@ -66,17 +66,17 @@ Pathing Autowalker::path_to_devices() {
 }
 
 
-void Autowalker::window_events() {
+void Autowalker::handle_window_events() {
   fsm.$window.handleEvents(
       [&](const sf::Event::KeyPressed &) {
         fsm.autowalking = false;
         close_status();
-        log("Aborting autowalk. You can move now.");
+        log("Aborting autowalk.");
       },
       [&](const sf::Event::MouseButtonPressed &) {
         fsm.autowalking = false;
         close_status();
-        log("Aborting autowalk. You can move now.");
+        log("Aborting autowalk.");
       }
   );
 }
@@ -98,24 +98,26 @@ Point Autowalker::get_current_position() {
   return player_position.location;
 }
 
+void Autowalker::path_fail(Matrix& bad_paths, Point pos) {
+  status("PATH FAIL");
+  log("Autowalk failed to find a path.");
+  matrix::dump("MOVE FAIL PATHS", bad_paths, pos.x, pos.y);
+  send_event(gui::Event::STAIRS_DOWN);
+}
+
 bool Autowalker::path_player(Pathing& paths, Point& target_out) {
   bool found = paths.random_walk(target_out, false, PATHING_TOWARD);
 
   if(!found) {
     // failed to find a linear path, try diagonal
     if(!paths.random_walk(target_out, false, PATHING_TOWARD, MOVE_DIAGONAL)) {
-      status("PATH FAIL");
+      path_fail(paths.$paths, target_out);
-      log("Autowalk failed to find a path.");
-      matrix::dump("MOVE FAIL PATHS", paths.$paths, target_out.x, target_out.y);
       return false;
     }
   }
 
   if(!fsm.$level.map->can_move(target_out)) {
-    status("PATH FAIL");
+    path_fail(paths.$paths, target_out);
-    log("Autowalk major pathing failure. You can move now.");
-    matrix::dump("BAD TARGET PATHS", paths.$paths, target_out.x, target_out.y);
-    matrix::dump("BAD TARGET MAP", fsm.$level.map->walls(), target_out.x, target_out.y);
     return false;
   }
 
@@ -180,8 +182,78 @@ void Autowalker::rotate_player(Point current, Point target) {
       "player isn't facing the correct direction");
 }
 
+struct InventoryStats {
+  int healing = 0;
+  int other = 0;
+};
+
+ai::State Autowalker::update_state(ai::State start) {
+  int enemy_count = number_left<components::Combat>(fsm);
+  int item_count = number_left<components::InventoryItem>(fsm);
+
+  ai::set(start, "no_more_enemies", enemy_count == 0);
+  ai::set(start, "no_more_items", item_count == 0);
+  ai::set(start, "enemy_found",
+      fsm.in_state(gui::State::IN_COMBAT) ||
+      fsm.in_state(gui::State::ATTACKING));
+  ai::set(start, "health_good", player_health_good());
+  ai::set(start, "in_combat",
+      fsm.in_state(gui::State::IN_COMBAT) ||
+      fsm.in_state(gui::State::ATTACKING));
+
+  auto inv = player_item_count();
+  ai::set(start, "have_item", inv.other > 0 || inv.healing > 0);
+  ai::set(start, "have_healing", inv.healing > 0);
+
+  return start;
+}
+
+void Autowalker::handle_boss_fight() {
+  // skip the boss fight for now
+  if(fsm.in_state(gui::State::NEXT_LEVEL)) {
+    // eventually we'll have AI handle this too
+    send_event(gui::Event::STAIRS_DOWN);
+  }
+}
+
+void Autowalker::handle_player_walk(ai::State& start, ai::State& goal) {
+  start = update_state(start);
+  auto a_plan = ai::plan("Walker::actions", start, goal);
+  dump_script("\n\n\n-----WALKER SCRIPT", start, a_plan.script);
+  auto action = a_plan.script.front();
+
+  if(action.name == "find_enemy") {
+    // this is where to test if enemy found and update state
+    status("FINDING ENEMY");
+    auto paths = path_to_enemies();
+    process_move(paths);
+    send_event(gui::Event::ATTACK);
+  } else if(action.name == "kill_enemy") {
+    status("KILLING ENEMY");
+    process_combat();
+  } else if(action.name == "use_healing") {
+    status("USING HEALING");
+    player_use_healing();
+  } else if(action.name == "collect_items") {
+    status("COLLECTING ITEMS");
+    auto paths = path_to_items();
+    process_move(paths);
+    // path to the items and get them all
+  } else if(action == ai::FINAL_ACTION) {
+    close_status();
+    log("Autowalk done, nothing left to do.");
+    send_event(gui::Event::STAIRS_DOWN);
+  } else {
+    close_status();
+    log("Autowalk has a bug. Unknown action.");
+    fmt::println("Unknown action: {}", action.name);
+  }
+}
+
+
+
 void Autowalker::autowalk() {
-  window_events();
+  handle_window_events();
   if(!fsm.autowalking) {
     close_status();
     return;
@@ -193,58 +265,11 @@ void Autowalker::autowalk() {
   auto goal = ai::load_state("Walker::final_state");
 
   do {
-    int enemy_count = number_left<components::Combat>(fsm);
+    handle_window_events();
-    int item_count = number_left<components::InventoryItem>(fsm);
+    handle_boss_fight();
-
+    handle_player_walk(start, goal);
-    window_events();
-    ai::set(start, "no_more_enemies", enemy_count == 0);
-    ai::set(start, "no_more_items", item_count == 0);
-    ai::set(start, "enemy_found",
-        fsm.in_state(gui::State::IN_COMBAT) ||
-        fsm.in_state(gui::State::ATTACKING));
-    ai::set(start, "health_good", player_health_good());
-    ai::set(start, "in_combat",
-        fsm.in_state(gui::State::IN_COMBAT) ||
-        fsm.in_state(gui::State::ATTACKING));
-    ai::set(start, "have_item", player_item_count() > 0);
-
-    auto a_plan = ai::plan("Walker::actions", start, goal);
-
-    // need a test for plan complete and only action is END
-    for(auto action : a_plan.script) {
-      if(action.name == "find_enemy") {
-        // this is where to test if enemy found and update state
-        status("FINDING ENEMY");
-        auto paths = path_to_enemies();
-        process_move(paths);
-        send_event(gui::Event::ATTACK);
-      } else if(action.name == "use_item") {
-        status("USE ITEMS");
-      } else if(action.name == "kill_enemy") {
-        status("KILLING ENEMY");
-        process_combat();
-      } else if(action.name == "find_healing") {
-        status("FINDING HEALING");
-        auto paths = path_to_items();
-        process_move(paths);
-        // do the path to healing thing
-      } else if(action.name == "collect_items") {
-        status("COLLECTING ITEMS");
-        auto paths = path_to_items();
-        process_move(paths);
-        // path to the items and get them all
-      } else if(action == ai::FINAL_ACTION) {
-        close_status();
-        log("Autowalk done, nothing left to do.");
-        fsm.autowalking = false;
-      } else {
-        close_status();
-        log("Autowalk has a bug. Unknown action.");
-        fmt::println("Unknown action: {}", action.name);
-      }
 
-      move_attempts++;
+    move_attempts++;
-    }
   } while(move_attempts < 100 && fsm.autowalking);
 }
 
@@ -254,8 +279,7 @@ void Autowalker::process_move(Pathing& paths) {
 
   if(!path_player(paths, target)) {
     close_status();
-    log("No paths found, aborting autowalk. You can move now.");
+    log("No paths found, aborting autowalk.");
-    fsm.autowalking = false;
     return;
   }
 
@@ -277,9 +301,32 @@ bool Autowalker::player_health_good() {
   return float(combat.hp) / float(combat.max_hp) > 0.5f;
 }
 
-int Autowalker::player_item_count() {
+InventoryStats Autowalker::player_item_count() {
-  auto inventory = fsm.$level.world->get<components::Inventory>(fsm.$level.player);
+  auto& inventory = fsm.$level.world->get<components::Inventory>(fsm.$level.player);
-  return inventory.count();
+  InventoryStats stats;
+
+  for(auto& item : inventory.items) {
+    if(item.data["id"] == "POTION_HEALING_SMALL") {
+      stats.healing += item.count;
+    } else {
+      stats.other += item.count;
+    }
+  }
+
+  return stats;
+}
+
+void Autowalker::player_use_healing() {
+  auto& inventory = fsm.$level.world->get<components::Inventory>(fsm.$level.player);
+  // find the healing slot
+  for(size_t slot = 0; slot < inventory.count(); slot++) {
+    auto& item = inventory.get(slot);
+    if(item.data["id"] == "POTION_HEALING_SMALL") {
+      inventory.use(fsm.$level, slot);
+      fsm.$status_ui.update();
+      return;
+    }
+  }
 }
 
 void Autowalker::start_autowalk() {

autowalker.hpp

@@ -1,7 +1,10 @@
 #pragma once
+#include "ai.hpp"
 
 #include "gui_fsm.hpp"
 
+struct InventoryStats;
+
 struct Autowalker {
   int enemy_count = 0;
   int item_count = 0;
@@ -13,10 +16,15 @@ struct Autowalker {
 
   void autowalk();
   void start_autowalk();
+
+  void handle_window_events();
+  void handle_boss_fight();
+  void handle_player_walk(ai::State& start, ai::State& goal);
+
   void send_event(gui::Event ev);
-  void window_events();
   void process_combat();
   bool path_player(Pathing& paths, Point &target_out);
+  void path_fail(Matrix& bad_paths, Point pos);
   Point get_current_position();
   void rotate_player(Point current, Point target);
   void process_move(Pathing& paths);
@@ -24,7 +32,9 @@ struct Autowalker {
   void status(std::string msg);
   void close_status();
   bool player_health_good();
-  int player_item_count();
+  void player_use_healing();
+  InventoryStats player_item_count();
+  ai::State update_state(ai::State start);
 
   Pathing path_to_enemies();
   Pathing path_to_items();

inventory.cpp

@@ -52,6 +52,8 @@ namespace components {
 
     if(item.count == 0) return {false, item.data["name"]};
 
+    dbc::log("INVENTORY IS HARDCODED YOU FUCKING MORON!!!!!");
+
     if(item.data["id"] == "SWORD_RUSTY") {
       auto weapon = components::get<components::Weapon>(item.data);
       player_combat.damage = weapon.damage;

pathing.cpp

@@ -78,13 +78,14 @@ bool Pathing::random_walk(Point &out, bool random, int direction, size_t dir_cou
   bool zero_found = false;
   dbc::check(dir_count == 4 || dir_count == 8, "Only 8 or 4 directions allowed.");
 
-  // just make a list of the four directions
+  // first 4 directions are n/s/e/w for most enemies
   std::array<Point, 8> dirs{{
       {out.x,out.y-1}, // north
       {out.x+1,out.y}, // east
       {out.x,out.y+1}, // south
       {out.x-1,out.y}, // west
 
+      // the player and some enemies are more "agile"
       {out.x+1,out.y-1}, // north east
       {out.x+1,out.y+1}, // south east
       {out.x-1,out.y+1}, // south west
@@ -96,14 +97,14 @@ bool Pathing::random_walk(Point &out, bool random, int direction, size_t dir_cou
 
   // pick a random start of directions
   // BUG: is uniform inclusive of the dir.size()?
-  int rand_start = Random::uniform<int>(0, dirs.size());
+  int rand_start = Random::uniform<int>(0, dir_count);
 
   // go through all possible directions
   for(size_t i = 0; i < dir_count; i++) {
     // but start at the random start, effectively randomizing
     // which valid direction to go
     // BUG: this might be wrong given the above ranom from 0-size
-    Point dir = dirs[(i + rand_start) % dirs.size()];
+    Point dir = dirs[(i + rand_start) % dir_count];
     if(!shiterator::inbounds($paths, dir.x, dir.y)) continue; //skip unpathable stuff
     int weight = cur - $paths[dir.y][dir.x];
 

systems.cpp

@@ -34,18 +34,28 @@ void System::lighting(GameLevel &level) {
   });
 }
 
+void System::enemy_ai(GameLevel &level) {
+  (void)level;
+  // AI: look up Enemy::actions in ai.json
+  // AI: setup the state
+  // AI: process it and keep the next action in the world
+}
+
 void System::enemy_pathing(GameLevel &level) {
   auto &world = *level.world;
   auto &map = *level.map;
   auto player = world.get_the<Player>();
 
-  // TODO: this will be on each enemy not a global thing
   const auto &player_position = world.get<Position>(player.entity);
   map.set_target(player_position.location);
   map.make_paths();
 
   world.query<Position, Motion>([&](auto ent, auto &position, auto &motion) {
     if(ent != player.entity) {
+      // AI: EnemyConfig can be replaced with an AI thing
+      // AI: after the enemy_ai systems are run we can then look at what
+      // AI: their next actions is, and if it's pathing do that
+
       dbc::check(world.has<EnemyConfig>(ent), "enemy is missing config");
       const auto &config = world.get<EnemyConfig>(ent);
 
@@ -159,8 +169,11 @@ void System::combat(GameLevel &level) {
   // this is guaranteed to not return the given position
   auto [found, nearby] = collider.neighbors(player_position.location);
 
+
   if(found) {
     for(auto entity : nearby) {
+      // AI: process AI combat actions here
+
       if(world.has<Combat>(entity)) {
         auto& enemy_combat = world.get<Combat>(entity);
 
@@ -196,6 +209,8 @@ void System::collision(GameLevel &level) {
   auto [found, nearby] = collider.neighbors(player_position.location);
   int combat_count = 0;
 
+  // AI: I think also this would a possible place to run AI decisions
+
   // BUG: this logic is garbage, needs a refactor
   for(auto entity : nearby) {
     if(world.has<Combat>(entity)) {

systems.hpp

@@ -12,6 +12,7 @@ namespace System {
   void collision(GameLevel &level);
   void death(GameLevel &level, components::ComponentMap& components);
   void enemy_pathing(GameLevel &level);
+  void enemy_ai(GameLevel &level);
 
   void init_positions(DinkyECS::World &world, SpatialMap &collider);
   void device(DinkyECS::World &world, DinkyECS::Entity actor, DinkyECS::Entity item);

tests/ai.cpp

@@ -130,7 +130,6 @@ TEST_CASE("ai as a module like sound/sprites", "[ai]") {
 TEST_CASE("ai autowalker ai test", "[ai]") {
   ai::reset();
   ai::init("assets/ai.json");
-  ai::AIProfile* profile = ai::profile();
   auto start = ai::load_state("Walker::initial_state");
   auto goal = ai::load_state("Walker::final_state");
   int enemy_count = 5;
@@ -141,7 +140,7 @@ TEST_CASE("ai autowalker ai test", "[ai]") {
   auto a_plan = ai::plan("Walker::actions", start, goal);
   REQUIRE(!a_plan.complete);
 
-  auto result = ai::dump_script(*profile, "\n\nWALKER KILL STUFF", start, a_plan.script);
+  auto result = ai::dump_script("\n\nWALKER KILL STUFF", start, a_plan.script);
   REQUIRE(ai::test(result, "enemy_found"));
   REQUIRE(ai::test(result, "enemy_dead"));
   REQUIRE(!ai::test(result, "no_more_enemies"));
@@ -150,10 +149,12 @@ TEST_CASE("ai autowalker ai test", "[ai]") {
   ai::set(result, "health_good", false);
   ai::set(result, "in_combat", false);
   ai::set(result, "enemy_found", false);
+  ai::set(result, "have_healing", true);
+  ai::set(result, "have_item", true);
   REQUIRE(!ai::test(result, "health_good"));
 
   auto health_plan = ai::plan("Walker::actions", result, goal);
-  result = ai::dump_script(*profile, "\n\nWALKER NEED HEALTH", result, health_plan.script);
+  result = ai::dump_script("\n\nWALKER NEED HEALTH", result, health_plan.script);
   REQUIRE(!health_plan.complete);
   REQUIRE(ai::test(result, "health_good"));
 
@@ -162,7 +163,7 @@ TEST_CASE("ai autowalker ai test", "[ai]") {
   REQUIRE(ai::test(result, "no_more_enemies"));
 
   auto new_plan = ai::plan("Walker::actions", result, goal);
-  result = ai::dump_script(*profile, "\n\nWALKER COMPLETE", result, new_plan.script);
+  result = ai::dump_script("\n\nWALKER COMPLETE", result, new_plan.script);
   REQUIRE(new_plan.complete);
 
   REQUIRE(ai::test(result, "enemy_found"));