Initial idea for the interactive devices thing but I kind of hate it. Going to try another idea that will be simpler.

components.cpp

@@ -1,14 +1,6 @@
 #include "components.hpp"
 
 namespace components {
-  void StairsDown(json &, DinkyECS::World &) {
-    fmt::println("GOING DOWN!");
-  }
-
-  void StairsUp(json &, DinkyECS::World &) {
-    fmt::println("GOING UP!");
-  }
-
   void configure(DinkyECS::World &world, DinkyECS::Entity entity, json& entity_data) {
     for(auto &comp : entity_data["components"]) {
       json& config = comp["config"];
@@ -45,6 +37,8 @@ namespace components {
         dbc::sentinel(fmt::format("ITEM COMPONENT TYPE MISSING: {}",
               std::string(comp["type"])));
       }
+
+      // json config variable dies
     }
   }
 }

components.hpp

@@ -1,27 +1,12 @@
 #pragma once
 #include "dinkyecs.hpp"
+#include "devices.hpp"
 #include "combat.hpp"
 #include "inventory.hpp"
 #include "tser.hpp"
 #include "config.hpp"
 
 namespace components {
-  typedef std::function<void(json &config, DinkyECS::World &world)> Action;
-
-  struct Device {
-    json config;
-    std::vector<Action> actions;
-
-    void hit(DinkyECS::World &world) {
-      for(auto& action : actions) {
-        action(config, world);
-      }
-    }
-  };
-
-  void StairsDown(json &data, DinkyECS::World &world);
-  void StairsUp(json &data, DinkyECS::World &world);
-  void DummyDeviceAction(json &data, DinkyECS::World &world);
 
   struct Player {
     DinkyECS::Entity entity;

devices.cpp

@@ -0,0 +1,19 @@
+#include "devices.hpp"
+#include "events.hpp"
+
+namespace components {
+  void StairsDown(DinkyECS::Entity player_ent, json &, DinkyECS::World &world) {
+    world.send<Events::GUI>(Events::GUI::STAIRS, player_ent, {});
+  }
+
+  void StairsUp(DinkyECS::Entity player_ent, json &, DinkyECS::World &world) {
+
+    world.send<Events::GUI>(Events::GUI::STAIRS, player_ent, {});
+  }
+
+  void Device::hit(DinkyECS::Entity ent, DinkyECS::World &world) {
+    for(auto& action : actions) {
+      action(ent, config, world);
+    }
+  }
+}

devices.hpp

@@ -0,0 +1,19 @@
+#pragma once
+#include "dinkyecs.hpp"
+#include <nlohmann/json.hpp>
+#include <vector>
+
+namespace components {
+  using namespace nlohmann;
+
+  typedef std::function<void(DinkyECS::Entity ent, json &config, DinkyECS::World &world)> Action;
+
+  void StairsDown(DinkyECS::Entity player_ent, json &data, DinkyECS::World &world);
+  void StairsUp(DinkyECS::Entity player_ent, json &data, DinkyECS::World &world);
+
+  struct Device {
+    json config;
+    std::vector<Action> actions;
+    void hit(DinkyECS::Entity ent, DinkyECS::World &world);
+  };
+}

events.hpp

@@ -2,7 +2,7 @@
 
 namespace Events {
   enum GUI {
-    START, COMBAT, LOOT, DEATH
+    START, COMBAT, LOOT, DEATH, STAIRS
   };
 
   struct Combat {

gui.cpp

@@ -261,6 +261,10 @@ void GUI::handle_world_events() {
                 std::string(item.data["name"])));
         }
         break;
+
+      case eGUI::STAIRS: {
+          $status_ui.log("You can go down stairs!");
+       } break;
       default:
         $status_ui.log(format("INVALID EVENT! {},{}", evt, entity));
     }

meson.build

@@ -37,6 +37,7 @@ source=[
   'lights.cpp',
   'worldbuilder.cpp',
   'inventory.cpp',
+  'devices.cpp',
   'components.cpp',
 ]
 

systems.cpp

@@ -218,5 +218,5 @@ void System::pickup(DinkyECS::World &world, DinkyECS::Entity actor, DinkyECS::En
 void System::device(DinkyECS::World &world, DinkyECS::Entity actor, DinkyECS::Entity item) {
   auto& device = world.get<Device>(item);
   println("entity {} INTERACTED WITH DEVICE {}", actor, item);
-  device.hit(world);
+  device.hit(actor, world);
 }