Add navigation baking crash prevention mechanism

doc/classes/ProjectSettings.xml

@@ -2082,6 +2082,9 @@
 		<member name="navigation/baking/thread_model/baking_use_multiple_threads" type="bool" setter="" getter="" default="true">
 			If enabled the async navmesh baking uses multiple threads.
 		</member>
+		<member name="navigation/baking/use_crash_prevention_checks" type="bool" setter="" getter="" default="true">
+			If enabled, and baking would potentially lead to an engine crash, the baking will be interrupted and an error message with explanation will be raised.
+		</member>
 		<member name="network/limits/debugger/max_chars_per_second" type="int" setter="" getter="" default="32768">
 			Maximum number of characters allowed to send as output from the debugger. Over this value, content is dropped. This helps not to stall the debugger connection.
 		</member>

modules/navigation/3d/nav_mesh_generator_3d.cpp

@@ -750,11 +750,14 @@ void NavMeshGenerator3D::generator_bake_from_source_geometry_data(Ref<Navigation
 	rcCalcGridSize(cfg.bmin, cfg.bmax, cfg.cs, &cfg.width, &cfg.height);
 
 	// ~30000000 seems to be around sweetspot where Editor baking breaks
-	if ((cfg.width * cfg.height) > 30000000) {
-		WARN_PRINT("NavigationMesh baking process will likely fail."
-				   "\nSource geometry is suspiciously big for the current Cell Size and Cell Height in the NavMesh Resource bake settings."
-				   "\nIf baking does not fail, the resulting NavigationMesh will create serious pathfinding performance issues."
-				   "\nIt is advised to increase Cell Size and/or Cell Height in the NavMesh Resource bake settings or reduce the size / scale of the source geometry.");
+	if ((cfg.width * cfg.height) > 30000000 && GLOBAL_GET("navigation/baking/use_crash_prevention_checks")) {
+		ERR_FAIL_MSG("Baking interrupted."
+					 "\nNavigationMesh baking process would likely crash the engine."
+					 "\nSource geometry is suspiciously big for the current Cell Size and Cell Height in the NavMesh Resource bake settings."
+					 "\nIf baking does not crash the engine or fail, the resulting NavigationMesh will create serious pathfinding performance issues."
+					 "\nIt is advised to increase Cell Size and/or Cell Height in the NavMesh Resource bake settings or reduce the size / scale of the source geometry."
+					 "\nIf you would like to try baking anyway, disable the 'navigation/baking/use_crash_prevention_checks' project setting.");
+		return;
 	}
 
 	bake_state = "Creating heightfield..."; // step #3

servers/navigation_server_3d.cpp

@@ -235,6 +235,7 @@ NavigationServer3D::NavigationServer3D() {
 	GLOBAL_DEF("navigation/avoidance/thread_model/avoidance_use_multiple_threads", true);
 	GLOBAL_DEF("navigation/avoidance/thread_model/avoidance_use_high_priority_threads", true);
 
+	GLOBAL_DEF("navigation/baking/use_crash_prevention_checks", true);
 	GLOBAL_DEF("navigation/baking/thread_model/baking_use_multiple_threads", true);
 	GLOBAL_DEF("navigation/baking/thread_model/baking_use_high_priority_threads", true);