pushing before transfering ownership

added new tests and new helper classes
speed improvements
minor fixes

geo/Length.h

@@ -0,0 +1,60 @@
+#ifndef LENGTH_H
+#define LENGTH_H
+
+
+
+
+/**
+ * unit independent length measurement
+ */
+template <typename T, int mul> struct Length {
+
+private:
+
+	const T val;
+
+	/** delete empty ctor */
+	Length() = delete;
+
+	/** hidden value ctor */
+	Length(const T val) : val(val) {;}
+
+public:
+
+	/** construct from mm */
+	static Length mm(const T mm)	{return Length(mm * mul / 1000);}
+
+	/** construct from cm */
+	static Length cm(const T cm)	{return Length(cm * mul / 100);}
+
+	/** construct from m */
+	static Length m(const T m)		{return Length(m * mul / 1);}
+
+public:
+
+	/** get in mm */
+	T mm() const	{return val * 1000 / mul;}
+
+	/** get in cm */
+	T cm() const	{return val * 100 / mul;}
+
+	/** get in m */
+	T m() const		{return val * 1 / mul;}
+
+public:
+
+	/** add the given length */
+	Length operator + (const Length o) {return Length(m+o.m);}
+
+	/** subtract the given length */
+	Length operator - (const Length o) {return Length(m+o.m);}
+
+};
+
+/** float. internally stored in meters */
+typedef Length<float, 1> LengthF;
+
+/** int. internally stored in millimeters */
+typedef Length<int, 1000> LengthI;
+
+#endif // LENGTH_H

grid/Grid.h

@@ -158,6 +158,12 @@ public:
 		return nodes[hashes[uid]];
 	}
 
+	/** get the center-node the given Point belongs to. or nullptr if not present */
+	const T* getNodePtrFor(const GridPoint& p) {
+		auto it = hashes.find(getUID(p));
+		return (it == hashes.end()) ? (nullptr) : (&nodes[it->second]);
+	}
+
 	/** get the BBox for the given node */
 	GridNodeBBox getBBox(const int idx) const {
 		return getBBox(nodes[idx]);

grid/factory/GridFactory.h

@@ -2,6 +2,8 @@
 #define GRIDFACTORY_H
 
 #include <string>
+#include <unordered_set>
+
 #include "../../floorplan/Floor.h"
 #include "../../floorplan/Stairs.h"
 
@@ -30,9 +32,10 @@ public:
 	/** add the given floor at the provided height (in cm) */
 	void addFloor(const Floor& floor, const float z_cm) {
 
-		Log::add(name, "adding floor at height " + std::to_string(z_cm));
+		Log::add(name, "adding floor at height " + std::to_string(z_cm), false);
+		Log::tick();
 
-		const float gridSize_cm = grid.getGridSize_cm();
+		const int gridSize_cm = grid.getGridSize_cm();
 
 		// build grid-points
 		for(int x_cm = 0; x_cm < floor.getWidth_cm(); x_cm += gridSize_cm) {
@@ -48,6 +51,8 @@ public:
 			}
 		}
 
+		Log::tock();
+
 		connectAdjacent(z_cm);
 
 	}
@@ -55,15 +60,16 @@ public:
 	/** connect all neighboring nodes located on the given height-plane */
 	void connectAdjacent(const float z_cm) {
 
-		Log::add(name, "connecting all adjacent nodes at height " + std::to_string(z_cm));
+		Log::add(name, "connecting all adjacent nodes at height " + std::to_string(z_cm), false);
+		Log::tick();
 
 		const int gridSize_cm = grid.getGridSize_cm();
 
 		// connect adjacent grid-points
-		for (int idx = 0; idx < grid.getNumNodes(); ++idx) {
+		for (T& n1 : grid) {
 
-			T& n1 = (T&) grid[idx];
-			if (n1.z_cm != z_cm) {continue;}	// ugly... different floor -> skip
+			// not the floor we are looking for? -> skip (ugly.. slow(er))
+			if (n1.z_cm != z_cm) {continue;}
 
 			// square around each point
 			for (int x =  -gridSize_cm; x <= gridSize_cm; x += gridSize_cm) {
@@ -73,14 +79,14 @@ public:
 					if ((x == y) && (x == 0)) {continue;}
 
 					// position of the potential neighbor
-					int ox = n1.x_cm + x;
-					int oy = n1.y_cm + y;
-					GridPoint p(ox, oy, n1.z_cm);
+					const int ox = n1.x_cm + x;
+					const int oy = n1.y_cm + y;
+					const GridPoint p(ox, oy, n1.z_cm);
 
 					// does the grid contain the potential neighbor?
-					if (grid.hasNodeFor(p)) {
-						T& n2 = (T&) grid.getNodeFor(p);
-						grid.connectUniDir(n1, n2);
+					const T* n2 = grid.getNodePtrFor(p);
+					if (n2 != nullptr) {
+						grid.connectUniDir(n1, *n2);			// UNI-dir connection as EACH node is processed!
 					}
 
 				}
@@ -88,6 +94,8 @@ public:
 
 		}
 
+		Log::tock();
+
 	}
 
 
@@ -205,7 +213,7 @@ public:
 		Log::add(name, "searching for isolated nodes");
 
 		// get largest connected region
-		std::set<int> set;
+		std::unordered_set<int> set;
 		do {
 			const int idxStart = rand() % grid.getNumNodes();
 			set.clear();
@@ -229,7 +237,7 @@ public:
 private:
 
 	/** recursively get all connected nodes and add them to the set */
-	void getConnected(const int idx, std::set<int>& set) {
+	void getConnected(const int idx, std::unordered_set<int>& set) {
 
 		// get the node behind idx
 		const T& n1 = (T&) grid[idx];

main.cpp

@@ -16,7 +16,7 @@ int main(int argc, char** argv) {
 #ifdef WITH_TESTS
 	::testing::InitGoogleTest(&argc, argv);
 	//::testing::GTEST_FLAG(filter) = "*Importance*";
-	::testing::GTEST_FLAG(filter) = "*Walk*";
+	::testing::GTEST_FLAG(filter) = "*Length*";
 
 	return RUN_ALL_TESTS();
 #endif

misc/Debug.h

@@ -6,34 +6,43 @@
 #include <iomanip>
 #include "Time.h"
 
+/** quick and dirty workaround */
+static decltype(Time::tick()) LogLastTick;
+
 class Log {
 
 public:
 
 
 
-	static void add(const char* comp, const std::string what) {
+	static void add(const char* comp, const std::string what, const bool nl = true) {
 		addComp(comp);
 		std::cout << what;
-		addTime();
-		std::cout << std::endl;
+		if (nl) {std::cout << std::endl;}
 	}
 
-	static void add(const std::string& component, const std::string what) {
+	static void add(const std::string& component, const std::string what, const bool nl = true) {
 		addComp(component.c_str());
 		std::cout << what;
-		addTime();
-		std::cout << std::endl;
+		if (nl) {std::cout << std::endl;}
+	}
+
+
+
+	static void tick() {
+		LogLastTick = Time::tick();
+	}
+
+	static void tock() {
+		const auto cur = Time::tick();
+		const int diff_ms = Time::diffMS(LogLastTick, cur);
+		LogLastTick = cur;
+		std::cout << " (took: " << diff_ms << "ms)" << std::endl;
 	}
 
 private:
 
-	static void addTime() {
-		static auto last = Time::tick();
-		const auto cur = Time::tick();
-		std::cout << " (+" << Time::diffMS(last, cur) << "ms)";
-		last = cur;
-	}
+
 
 	static void addComp(const char* component) {
 		std::cout << "[" << std::setw(12) << std::setfill(' ') << component << "] ";

tests/geo/TestLength.cpp

@@ -0,0 +1,46 @@
+#ifdef WITH_TESTS
+
+#include "../Tests.h"
+#include "../../geo/Length.h"
+
+TEST(Length, float) {
+
+	static constexpr float delta = 0.00001;
+
+	LengthF l1 = LengthF::m(1.0);
+	ASSERT_NEAR(1, l1.m(), delta);
+	ASSERT_NEAR(100, l1.cm(), delta);
+	ASSERT_NEAR(1000, l1.mm(), delta);
+
+	LengthF l2 = LengthF::cm(1.0);
+	ASSERT_NEAR(0.01, l2.m(), delta);
+	ASSERT_NEAR(1, l2.cm(), delta);
+	ASSERT_NEAR(10, l2.mm(), delta);
+
+	LengthF l3 = LengthF::mm(1.0);
+	ASSERT_NEAR(0.001, l3.m(), delta);
+	ASSERT_NEAR(0.1, l3.cm(), delta);
+	ASSERT_NEAR(1, l3.mm(), delta);
+
+}
+
+TEST(Length, int) {
+
+	LengthI l1 = LengthI::m(1.0);
+	ASSERT_EQ(1, l1.m());
+	ASSERT_EQ(100, l1.cm());
+	ASSERT_EQ(1000, l1.mm());
+
+	LengthI l2 = LengthI::cm(1.0);
+	ASSERT_EQ(0, l2.m());
+	ASSERT_EQ(1, l2.cm());
+	ASSERT_EQ(10, l2.mm());
+
+	LengthI l3 = LengthI::mm(1.0);
+	ASSERT_EQ(0, l3.m());
+	ASSERT_EQ(0, l3.cm());
+	ASSERT_EQ(1, l3.mm());
+
+}
+
+#endif