added nav-mesh support to indoor-map

some fixes/changes

mapview/3DNavMesh/NavMeshModel.h

@@ -0,0 +1,85 @@
+#ifndef NAVMESHMODEL_H
+#define NAVMESHMODEL_H
+
+
+#include <Indoor/floorplan/v2/Floorplan.h>
+#include <Indoor/navMesh/NavMesh.h>
+#include <Indoor/navMesh/NavMeshFactory.h>
+#include <Indoor/navMesh/NavMeshFactoryListener.h>
+
+#include <QProgressDialog>
+#include <QApplication>
+#include <QVBoxLayout>
+#include <QLabel>
+#include <QProgressBar>
+#include "QNavMeshSettings.h"
+
+/**
+ * used for 3D NavMesh rendering
+ */
+class NavMeshModel {
+
+private:
+
+	NM::NavMesh<NM::NavMeshTriangle> navMesh;
+	NM::NavMeshSettings settings;
+	Floorplan::IndoorMap* im;
+
+public:
+
+	NavMeshModel() : navMesh() {
+		;
+	}
+
+	NM::NavMesh<NM::NavMeshTriangle>* getNavMesh() {return &navMesh;}
+
+
+	class Listener : public NM::NavMeshFactoryListener {
+
+	private:
+		QDialog dlg;
+		QLabel* lbl1;
+		QProgressBar* bar1;
+
+	public:
+		Listener() {
+			QVBoxLayout* lay = new QVBoxLayout(&dlg);
+			lbl1 = new QLabel();		lay->addWidget(lbl1);
+			bar1 = new QProgressBar();	lay->addWidget(bar1);
+			dlg.resize(350, 90);
+			dlg.setWindowTitle("NavMesh building");
+			dlg.show();
+		}
+		~Listener() {
+			dlg.close();
+		}
+
+		void onNavMeshBuildUpdateMajor(const std::string& what) override {
+			lbl1->setText(what.c_str());
+			QApplication::processEvents();
+		}
+		void onNavMeshBuildUpdateMajor(const int cnt, const int cur) override {
+			bar1->setValue(cur*100/cnt);
+			QApplication::processEvents();
+		}
+
+	};
+
+	void rebuild(Floorplan::IndoorMap* im) {
+
+		Listener l;
+
+		QNavMeshSettings qs(&settings);
+		qs.exec();
+
+		if (qs.ok) {
+			NM::NavMeshFactory<NM::NavMeshTriangle> fac(&navMesh, settings);
+			fac.build(im, &l);
+		}
+
+	}
+
+};
+
+
+#endif // NAVMESHMODEL_H