int Global::toolState = TSNone;
double Global::gridSpacing;
-int Global::currentLayer = 0;
Point Global::snapPoint;
bool Global::snapPointIsValid = false;
uint32_t Global::objectID = 1;
int Global::activeLayer = 0;
int Global::numLayers = 1;
-std::vector<bool> Global::layerHidden;
-std::vector<bool> Global::layerLocked;
-std::vector<std::string> Global::layerName;
+BVector Global::layerHidden;
+BVector Global::layerLocked;
+SVector Global::layerName;