Fix #5: struts and fuel lines update properly when parts are scaled

Source/ConstructionModeScale.cs

@@ -328,6 +328,8 @@ private void onScaleGizmoHandleDrag(GizmoOffsetHandle handle, Vector3 axis, floa
 			var tweakScaleModule = selectedPart.FindModuleImplementing<TweakScale>();
 			float newScaleFactor = previousScaleFactor + amount;
 			tweakScaleModule.SetScaleFactor(newScaleFactor, GetScaleSnapMode());
+
+			GameEvents.onEditorPartEvent.Fire(ConstructionEventType.PartOffsetting, selectedPart);
 		}
 
 		private void onScaleGizmoUpdated(Vector3 arg1)
@@ -398,8 +400,7 @@ private void partscaleInputUpdate()
 						fsm.RunEvent(on_scaleReset);
 					}
 
-					// TODO: do we need to emit a construction event?  What kind?  Where?
-					//GameEvents.onEditorPartEvent.Fire(ConstructionEventType.PartOffset, selectedPart);
+					GameEvents.onEditorPartEvent.Fire(ConstructionEventType.PartOffset, selectedPart);
 				}
 			}
 

Source/HarmonyPatching/Squad.cs

@@ -164,4 +164,31 @@ static void Prefix(InternalModel __instance, Part p)
 			__instance.transform.localScale = tweakScaleModule.currentScaleFactor * Vector3.one;
 		}
 	}
+
+	[HarmonyPatch(typeof(CompoundPart), nameof(CompoundPart.UpdateWorldValues))]
+	static class CompoundPart_UpdateWorldValue
+	{
+		static void Postfix(CompoundPart __instance)
+		{
+			__instance.wTgtPos /= __instance.target.rescaleFactor;
+		}
+	}
+
+	[HarmonyPatch(typeof(CompoundPart), nameof(CompoundPart.UpdateTargetCoords))]
+	static class CompoundPart_UpdateTargetCoords
+	{
+		static void Prefix(CompoundPart __instance, ref Vector3 __state)
+		{
+			__state = __instance.wTgtPos;
+			if (__instance.target != null)
+			{
+				__instance.wTgtPos *= __instance.target.rescaleFactor;
+			}
+		}
+
+		static void Postfix(CompoundPart __instance, Vector3 __state)
+		{
+			__instance.wTgtPos = __state;
+		}
+	}
 }