Basic combat system prototype works, but needs more GUI love to really work in the game.

gui.cpp

@@ -96,6 +96,7 @@ namespace gui {
 
         // just do 10 ticks
         if($rotation_count % 10 == 0) {
+          System::combat($level);
           run_systems();
           $rotation = -10.0f;
           state(State::IDLE);
@@ -182,6 +183,10 @@ namespace gui {
         $camera.plan_rotate($rayview, -1);
         state(State::COMBAT_ROTATE);
         break;
+      case QUIT:
+        $window.close();
+        state(State::END);
+        return;
       default:
         break;
     }