bugfix(aiupdate): Invalidate build task of Dozers and Workers if the assigned target scaffold no longer exists (#1868)

Author: Stubbjax

Generals/Code/GameEngine/Source/GameLogic/Object/Update/AIUpdate/DozerAIUpdate.cpp

@@ -1594,9 +1594,14 @@ UpdateSleepTime DozerAIUpdate::update( void )
 		Bool invalidTask = FALSE;
 
 		// validate the task and the target
+		// TheSuperHackers @bugfix Stubbjax 16/11/2025 Invalidate the task when the build scaffold is destroyed.
 		if( currentTask == DOZER_TASK_REPAIR &&
 				TheActionManager->canRepairObject( getObject(), targetObject, getLastCommandSource() ) == FALSE )
 			invalidTask = TRUE;
+#if !RETAIL_COMPATIBLE_CRC
+		else if (currentTask == DOZER_TASK_BUILD && targetObject == NULL)
+			invalidTask = TRUE;
+#endif
 
 		// cancel the task if it's now invalid
 		if( invalidTask == TRUE )

Generals/Code/GameEngine/Source/GameLogic/Object/Update/AIUpdate/WorkerAIUpdate.cpp

@@ -275,9 +275,14 @@ UpdateSleepTime WorkerAIUpdate::update( void )
 			Bool invalidTask = FALSE;
 
 			// validate the task and the target
+			// TheSuperHackers @bugfix Stubbjax 16/11/2025 Invalidate the task when the build scaffold is destroyed.
 			if( currentTask == DOZER_TASK_REPAIR &&
 					TheActionManager->canRepairObject( getObject(), targetObject, getLastCommandSource() ) == FALSE )
 				invalidTask = TRUE;
+#if !RETAIL_COMPATIBLE_CRC
+			else if (currentTask == DOZER_TASK_BUILD && targetObject == NULL)
+				invalidTask = TRUE;
+#endif
 
 			// cancel the task if it's now invalid
 			if( invalidTask == TRUE )

GeneralsMD/Code/GameEngine/Source/GameLogic/Object/Update/AIUpdate/DozerAIUpdate.cpp

@@ -1599,9 +1599,14 @@ UpdateSleepTime DozerAIUpdate::update( void )
 		Bool invalidTask = FALSE;
 
 		// validate the task and the target
+		// TheSuperHackers @bugfix Stubbjax 16/11/2025 Invalidate the task when the build scaffold is destroyed.
 		if( currentTask == DOZER_TASK_REPAIR &&
 				TheActionManager->canRepairObject( getObject(), targetObject, getLastCommandSource() ) == FALSE )
 			invalidTask = TRUE;
+#if !RETAIL_COMPATIBLE_CRC
+		else if (currentTask == DOZER_TASK_BUILD && targetObject == NULL)
+			invalidTask = TRUE;
+#endif
 
 		// cancel the task if it's now invalid
 		if( invalidTask == TRUE )

GeneralsMD/Code/GameEngine/Source/GameLogic/Object/Update/AIUpdate/WorkerAIUpdate.cpp

@@ -275,9 +275,14 @@ UpdateSleepTime WorkerAIUpdate::update( void )
 			Bool invalidTask = FALSE;
 
 			// validate the task and the target
+			// TheSuperHackers @bugfix Stubbjax 16/11/2025 Invalidate the task when the build scaffold is destroyed.
 			if( currentTask == DOZER_TASK_REPAIR &&
 					TheActionManager->canRepairObject( getObject(), targetObject, getLastCommandSource() ) == FALSE )
 				invalidTask = TRUE;
+#if !RETAIL_COMPATIBLE_CRC
+			else if (currentTask == DOZER_TASK_BUILD && targetObject == NULL)
+				invalidTask = TRUE;
+#endif
 
 			// cancel the task if it's now invalid
 			if( invalidTask == TRUE )