minor code changes

math/distribution/Normal.h

@@ -26,8 +26,13 @@ namespace Distribution {
 		Normal(const T mu, const T sigma) :
 			mu(mu), sigma(sigma), _a(1.0 / (sigma * std::sqrt(2.0 * M_PI))), gen(RANDOM_SEED), dist(mu,sigma) {
 
+#warning "analyze issue when coping an existing distribution and using draw() afterwards. this seems to yield issues"
+
 		}
 
+		/** do not allow copy. this will not work as expected for std::normal_distribution when using draw() ?! */
+		//Normal(const Normal& o) = delete;
+
 		/** get probability for the given value */
 		T getProbability(const T val) const {
 			const T b = -0.5 * ((val-mu)/sigma) * ((val-mu)/sigma);

sensors/offline/FilePlayer.h

@@ -75,13 +75,25 @@ namespace Offline {
 			thread.join();
 		}
 
+
+		/** manual ticking */
+		int tickPos = 0;
+		void tick() {
+			const std::vector<Entry>& events = reader->getEntries();
+			const Entry& e = events[tickPos];
+			trigger(Timestamp::fromMS(e.ts), e);
+			++tickPos;
+		}
+
 	private:
 
+
+
 		/** background loop */
 		void loop() {
 
 			// get all sensor events from the offline file
-			const std::vector<Entry> events = reader->getEntries();
+			const std::vector<Entry>& events = reader->getEntries();
 
 			// reference time (system vs. first-event)
 			Timestamp tsRef1 = Timestamp::fromMS(events.front().ts);
@@ -104,10 +116,22 @@ namespace Offline {
 					if (diff.ms() > 0) {std::this_thread::sleep_for(std::chrono::milliseconds(diff.ms()));}
 				}
 
-				// event index
-				const size_t idx = e.idx;
+				trigger(ts, e);
 
-#warning "some sensors todo:"
+			}
+
+			// done
+			enabled = false;
+
+		}
+
+
+
+		void trigger(const Timestamp ts, const Entry& e) {
+
+			const int idx = e.idx;
+
+			#warning "some sensors todo:"
 			switch(e.type) {
 				case Sensor::ACC:			listener->onAccelerometer(ts, reader->getAccelerometer()[idx].data); break;
 				case Sensor::BARO:			listener->onBarometer(ts, reader->getBarometer()[idx].data); break;
@@ -124,13 +148,11 @@ namespace Offline {
 
 		}
 
-			// done
-			enabled = false;
-
-		}
 
 	};
 
+
+
 }
 
 #endif // FILEPLAYER_H