added floorplan support for object-sizing

added floorplan support for different wall-heights
minor fixes/changes

grid/factory/v2/Stairs2.h

@@ -32,6 +32,7 @@ private:
 	std::vector<T*> toDelete;
 
 	bool tryImproveStairConnections = true;
+	bool abortOnError = true;
 
 private:
 
@@ -47,7 +48,6 @@ private:
 
 		StairNode(const int x_cm, const int y_cm, const int quadIdx) : x_cm(x_cm), y_cm(y_cm), belongsToQuadIdx(quadIdx) {;}
 
-
 	};
 
 
@@ -62,7 +62,10 @@ public:
 		finalize();
 	}
 
-
+	/** whether to abort when errors are detected */
+	void setAbortOnError(const bool abort) {
+		this->abortOnError = abort;
+	}
 
 
 
@@ -184,7 +187,11 @@ public:
 
 			// be sure both are connected to a floor
 			if (!end1OK || !end2OK) {
-				throw Exception("stair's start or end is not directly connectable to a floor");
+				if (abortOnError) {
+					throw Exception("stair's start or end is not directly connectable to a floor");
+				} else{
+					std::cout << "stair's start or end is not directly connectable to a floor" << std::endl;
+				}
 			}
 
 		}