DNDLoot works now, just had to fix a problem with the constructor.

gui/dnd_loot.cpp

@@ -1,11 +1,10 @@
-#define FSM_DEBUG 1
 #include "gui/guecstra.hpp"
 #include "gui/dnd_loot.hpp"
 #include "gui/uisystems.hpp"
 
 namespace gui {
 
-  DNDLoot::DNDLoot(StatusUI status_ui, LootUI loot_ui, sf::RenderWindow &window, routing::Router& router) :
+  DNDLoot::DNDLoot(StatusUI& status_ui, LootUI& loot_ui, sf::RenderWindow &window, routing::Router& router) :
     $status_ui(status_ui),
     $loot_ui(loot_ui),
     $window(window),
@@ -24,7 +23,7 @@ namespace gui {
       dbc::log(fmt::format("event received with data but state={} is not handled", int($state)));
     }
 
-    return in_state(DNDState::END);
+    return !in_state(DNDState::END);
   }
 
   void DNDLoot::START(Event ev) {

gui/dnd_loot.hpp

@@ -7,11 +7,11 @@
 
 namespace gui {
   enum class DNDState {
-    START=0,
+    START=100,
-    LOOTING=1,
+    LOOTING=101,
-    LOOT_GRAB=2,
+    LOOT_GRAB=102,
-    INV_GRAB=3,
+    INV_GRAB=103,
-    END=4
+    END=104
   };
 
   class DNDLoot : public DeadSimpleFSM<DNDState, Event> {
@@ -22,8 +22,8 @@ namespace gui {
       sf::RenderWindow& $window;
       routing::Router& $router;
 
-      DNDLoot(StatusUI status_ui,
+      DNDLoot(StatusUI& status_ui,
-          LootUI loot_ui, sf::RenderWindow& window,
+          LootUI& loot_ui, sf::RenderWindow& window,
           routing::Router& router);
 
       bool event(Event ev, std::any data={});

gui/fsm.cpp

@@ -1,4 +1,3 @@
-#define FSM_DEBUG 1
 #include "gui/fsm.hpp"
 #include <iostream>
 #include <chrono>

main.cpp

@@ -43,7 +43,6 @@ int main(int argc, char* argv[]) {
           main.handle_keyboard_mouse();
         }
       } else{
-        dbc::log("NOT IN STATE");
         main.event(gui::Event::TICK);
       }