Now have an autowalker class that allows me to drive the game from an external source.

autowalker.cpp

@@ -0,0 +1,112 @@
+#include "autowalker.hpp"
+
+
+void Autowalker::autowalk() {
+  fmt::println("I'M WALKIN' HEAR!");
+
+  fsm.$window.handleEvents(
+      [&](const sf::Event::KeyPressed &) {
+        fsm.autowalking = false;
+        fmt::println("ABORT AUTOWALK");
+      },
+      [&](const sf::Event::MouseButtonPressed &) {
+        fsm.autowalking = false;
+        fmt::println("ABORT AUTOWALK");
+      }
+  );
+
+  if(!fsm.autowalking) return;
+
+  while(fsm.in_state(gui::State::IN_COMBAT) || fsm.in_state(gui::State::ATTACKING)) {
+    if(fsm.in_state(gui::State::ATTACKING)) {
+      fsm.event(gui::Event::TICK);
+    } else {
+      fsm.event(gui::Event::ATTACK);
+    }
+
+    fsm.handle_world_events();
+  }
+
+  auto& player_position = fsm.$level.world->get<components::Position>(fsm.$level.player);
+  auto current = player_position.location;
+  Point target = current;
+  bool found = fsm.$level.map->neighbors(target, false, -1);
+  if(!found) {
+    dbc::log("no neighbor found, aborting autowalk");
+    fsm.autowalking = false;
+    return;
+  }
+
+  if(!fsm.$level.map->can_move(target)) {
+    dbc::log("neighbors is telling me to go to a bad spot.");
+    fsm.autowalking = false;
+    return;
+  }
+
+  int delta_x = int(target.x) - int(current.x);
+  int delta_y = int(target.y) - int(current.y);
+
+  int facing = fsm.$main_ui.$compass_dir;
+  int target_facing = 0;
+
+  if(delta_x == -1 && delta_y == 0) {
+    // west
+    fmt::println("WEST: {}, {}", target.x, target.y);
+    target_facing = 4;
+  } else if(delta_x == 1 && delta_y == 0) {
+    // east
+    fmt::println("EAST: {}, {}", target.x, target.y);
+    target_facing = 0;
+  } else if(delta_x == 0 && delta_y == 1) {
+    fmt::println("SOUTH: {}, {}", target.x, target.y);
+    // south
+    target_facing = 2;
+  } else if(delta_x == 0 && delta_y == -1) {
+    fmt::println("NORTH: {}, {}", target.x, target.y);
+    // north
+    target_facing = 6;
+  } else {
+    dbc::sentinel(
+        fmt::format("got more than 4 direction result: "
+          "current={},{} "
+          "target={},{} "
+          "delta={},{} ",
+          current.x, current.y,
+          target.x, target.y,
+          delta_x, delta_y));
+  }
+
+  auto dir = facing < target_facing ? gui::Event::ROTATE_LEFT : gui::Event::ROTATE_RIGHT;
+
+  while(facing != target_facing) {
+    fsm.event(dir);
+    fsm.render();
+    fsm.handle_world_events();
+    facing = fsm.$main_ui.$compass_dir;
+  }
+
+  dbc::check(fsm.$main_ui.$compass_dir == target_facing,
+      "player isn't facing the correct direction");
+
+  if(!fsm.in_state(gui::State::IN_COMBAT)) {
+    if(fsm.in_state(gui::State::ATTACKING)) {
+      fsm.event(gui::Event::TICK);
+    } else {
+      fsm.event(gui::Event::MOVE_FORWARD);
+    }
+
+    fsm.handle_world_events();
+
+    do {
+        fmt::println("IN WHILE MOVING");
+        fsm.event(gui::Event::TICK);
+        fsm.event(gui::Event::ATTACK);
+        fsm.render();
+        fsm.handle_world_events();
+    } while(fsm.in_state(gui::State::MOVING));
+  }
+}
+
+void Autowalker::start_autowalk() {
+  fsm.autowalking = true;
+}

autowalker.hpp

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "gui_fsm.hpp"
+
+struct Autowalker {
+  gui::FSM& fsm;
+
+  Autowalker(gui::FSM& fsm)
+    : fsm(fsm) {}
+
+  void autowalk();
+  void start_autowalk();
+};

gui_fsm.cpp

@@ -235,11 +235,6 @@ namespace gui {
   }
 
   void FSM::keyboard_mouse() {
-    if($autowalking) {
-      autowalk();
-      return;
-    }
-
     while(const auto ev = $window.pollEvent()) {
       if(ev->is<sf::Event::Closed>()) {
         event(Event::QUIT);
@@ -293,7 +288,8 @@ namespace gui {
             $main_ui.debug();
             break;
           case KEY::O:
-            start_autowalk(0.06);
+            autowalking = true;
+            break;
           default:
             break; // ignored
         }
@@ -406,116 +402,4 @@ namespace gui {
 
     run_systems();
   }
-
-
-  void FSM::autowalk() {
-    fmt::println("I'M WALKIN' HEAR!");
-
-    $window.handleEvents(
-        [&](const sf::Event::KeyPressed &) {
-          $autowalking = false;
-          fmt::println("ABORT AUTOWALK");
-        },
-        [&](const sf::Event::MouseButtonPressed &) {
-          $autowalking = false;
-          fmt::println("ABORT AUTOWALK");
-        }
-    );
-
-    if(!$autowalking) return;
-
-    while(in_state(State::IN_COMBAT) || in_state(State::ATTACKING)) {
-      if(in_state(State::ATTACKING)) {
-        event(Event::TICK);
-      } else {
-        event(Event::ATTACK);
-      }
-
-      handle_world_events();
-    }
-
-    auto& player_position = $level.world->get<Position>($level.player);
-    auto current = player_position.location;
-    Point target = current;
-    bool found = $level.map->neighbors(target, false, -1);
-    if(!found) {
-      dbc::log("no neighbor found, aborting autowalk");
-      $autowalking = false;
-      return;
-    }
-
-    if(!$level.map->can_move(target)) {
-      dbc::log("neighbors is telling me to go to a bad spot.");
-      $autowalking = false;
-      return;
-    }
-
-    int delta_x = int(target.x) - int(current.x);
-    int delta_y = int(target.y) - int(current.y);
-
-    int facing = $main_ui.$compass_dir;
-    int target_facing = 0;
-
-    if(delta_x == -1 && delta_y == 0) {
-      // west
-      fmt::println("WEST: {}, {}", target.x, target.y);
-      target_facing = 4;
-    } else if(delta_x == 1 && delta_y == 0) {
-      // east
-      fmt::println("EAST: {}, {}", target.x, target.y);
-      target_facing = 0;
-    } else if(delta_x == 0 && delta_y == 1) {
-      fmt::println("SOUTH: {}, {}", target.x, target.y);
-      // south
-      target_facing = 2;
-    } else if(delta_x == 0 && delta_y == -1) {
-      fmt::println("NORTH: {}, {}", target.x, target.y);
-      // north
-      target_facing = 6;
-    } else {
-      dbc::sentinel(
-          fmt::format("got more than 4 direction result: "
-            "current={},{} "
-            "target={},{} "
-            "delta={},{} ",
-            current.x, current.y,
-            target.x, target.y,
-            delta_x, delta_y));
-    }
-
-    auto dir = facing < target_facing ? Event::ROTATE_LEFT : Event::ROTATE_RIGHT;
-
-    while(facing != target_facing) {
-      event(dir);
-      render();
-      handle_world_events();
-      facing = $main_ui.$compass_dir;
-    }
-
-    dbc::check($main_ui.$compass_dir == target_facing,
-        "player isn't facing the correct direction");
-
-    if(!in_state(State::IN_COMBAT)) {
-      if(in_state(State::ATTACKING)) {
-        event(Event::TICK);
-      } else {
-        event(Event::MOVE_FORWARD);
-      }
-
-      handle_world_events();
-
-      do {
-          fmt::println("IN WHILE MOVING");
-          event(Event::TICK);
-          event(Event::ATTACK);
-          render();
-          handle_world_events();
-      } while(in_state(State::MOVING));
-    }
-  }
-
-  void FSM::start_autowalk(double rot_speed) {
-    $autowalking = true;
-    $main_ui.$camera.rot_speed = rot_speed;
-  }
 }

gui_fsm.hpp

@@ -46,7 +46,7 @@ namespace gui {
     public:
       sf::RenderWindow $window;
       bool $draw_stats = false;
-      bool $autowalking = false;
+      bool autowalking = false;
       LevelManager $levels;
       MainUI $main_ui;
       SFMLRender $renderer;

main.cpp

@@ -1,6 +1,7 @@
 #include "gui_fsm.hpp"
 #include "textures.hpp"
 #include "sound.hpp"
+#include "autowalker.hpp"
 
 int main(int argc, char* argv[]) {
   textures::init();
@@ -8,9 +9,10 @@ int main(int argc, char* argv[]) {
   sound::mute(true);
   gui::FSM main;
   main.event(gui::Event::STARTED);
+  Autowalker walker(main);
 
   if(argc > 1 && argv[1][0] == 't') {
-    main.start_autowalk(0.1);
+    walker.start_autowalk();
   }
 
   while(main.active()) {
@@ -22,7 +24,11 @@ int main(int argc, char* argv[]) {
         || main.in_state(gui::State::MAPPING)
         || main.in_state(gui::State::IN_COMBAT))
     {
-      main.keyboard_mouse();
+      if(main.autowalking) {
+        walker.autowalk();
+      } else {
+        main.keyboard_mouse();
+      }
     } else{
       main.event(gui::Event::TICK);
     }

meson.build

@@ -53,6 +53,7 @@ endif
 
 sources = [
   'ansi_parser.cpp',
+  'autowalker.cpp',
   'camera.cpp',
   'combat.cpp',
   'combat_ui.cpp',