#ifndef FLOORPLANMESH_H
#define FLOORPLANMESH_H

#include "Obstacle3.h"

/**
 * meshed version of the floorplan
 */
struct FloorplanMesh {

	std::vector<Obstacle3D> elements;

	/** DEBUG: convert to .obj file code for exporting */
	std::string toOBJ() {

		int nVerts = 1;
		int nObjs = 0;
		std::string res;

		// write each obstacle
		for (const Obstacle3D& o : elements) {

			// write the vertices
			for (const Triangle3& t : o.triangles) {
				res += "v " + std::to_string(t.p1.x) + " " + std::to_string(t.p1.y) + " " + std::to_string(t.p1.z) + "\n";
				res += "v " + std::to_string(t.p2.x) + " " + std::to_string(t.p2.y) + " " + std::to_string(t.p2.z) + "\n";
				res += "v " + std::to_string(t.p3.x) + " " + std::to_string(t.p3.y) + " " + std::to_string(t.p3.z) + "\n";
			}

			// create a new group
			res += "g elem_" + std::to_string(++nObjs) + "\n";

			// write the group's faces
			for (size_t i = 0; i < o.triangles.size(); ++i) {
				res += "f " + std::to_string(nVerts+0) + " " + std::to_string(nVerts+1) + " " + std::to_string(nVerts+2) + "\n";
				nVerts += 3;
			}

		}

		// done
		return res;

	}

};

#endif // FLOORPLANMESH_H