Loop back to the beginning when ending simulation playback

CURA-12192

plugins/SimulationView/SimulationView.py

@@ -222,12 +222,11 @@ class SimulationView(CuraView):
 
             self.setPath(i + fractional_value)
 
-    def advanceTime(self, time_increase: float) -> bool:
+    def advanceTime(self, time_increase: float) -> None:
         """
         Advance the time by the given amount.
 
         :param time_increase: The amount of time to advance (in seconds).
-        :return: True if the time was advanced, False if the end of the simulation was reached.
         """
         total_duration = 0.0
         if len(self.cumulativeLineDuration()) > 0:
@@ -237,15 +236,13 @@ class SimulationView(CuraView):
             # If we have reached the end of the simulation, go to the next layer.
             if self.getCurrentLayer() == self.getMaxLayers():
                 # If we are already at the last layer, go to the first layer.
-                self.setTime(total_duration)
-                return False
-
-            # advance to the next layer, and reset the time
-            self.setLayer(self.getCurrentLayer() + 1)
+                self.setLayer(0)
+            else:
+                # advance to the next layer, and reset the time
+                self.setLayer(self.getCurrentLayer() + 1)
             self.setTime(0.0)
         else:
             self.setTime(self._current_time + time_increase)
-        return True
 
     def cumulativeLineDuration(self) -> List[float]:
         # Make sure _cumulative_line_duration is initialized properly

plugins/SimulationView/SimulationViewMainComponent.qml

@@ -144,9 +144,7 @@ Item
         {
             // divide by 1000 to account for ms to s conversion
             const advance_time = simulationTimer.interval / 1000.0;
-            if (!UM.SimulationView.advanceTime(advance_time)) {
-                playButton.pauseSimulation();
-            }
+            UM.SimulationView.advanceTime(advance_time);
             // The status must be set here instead of in the resumeSimulation function otherwise it won't work
             // correctly, because part of the logic is in this trigger function.
             isSimulationPlaying = true;

plugins/SimulationView/SimulationViewProxy.py

@@ -54,9 +54,9 @@ class SimulationViewProxy(QObject):
     def currentPath(self):
         return self._simulation_view.getCurrentPath()
 
-    @pyqtSlot(float, result=bool)
-    def advanceTime(self, duration: float) -> bool:
-        return self._simulation_view.advanceTime(duration)
+    @pyqtSlot(float)
+    def advanceTime(self, duration: float) -> None:
+        self._simulation_view.advanceTime(duration)
 
     @pyqtProperty(int, notify=currentPathChanged)
     def minimumPath(self):