Started working on this 'arena tester' tool that would let me load an enemy and test them, but then realized I could just make it so I can spawn enemies in the game. I'm keeping the arena around as it will be useful later as a scriptable testing tool, but for now just spawn and test.

gui_fsm.cpp

@@ -282,6 +282,11 @@ namespace gui {
           case KEY::O:
             autowalking = true;
             break;
+          case KEY::Equal:
+            $levels.spawn_enemy("KNIGHT");
+            $main_ui.update_level($level);
+            run_systems();
+            break;
           case KEY::L:
             event(Event::STAIRS_DOWN);
             break;