PointShell_Object_Data_Geometry_Analyser.h

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#ifndef POINTSHELL_OBJECT_DATA_GEOMETRY_ANALYSER_H
#define POINTSHELL_OBJECT_DATA_GEOMETRY_ANALYSER_H

#include "pointshell_object_data_geometry.h"

namespace APSpacePartitioning {

class PointShell_Object_Data_Geometry_Analyser : public PointShell_Object_Data_Geometry{

public : 

struct VExt: public PointShell_Object_Data_Geometry::V{
    osg::Vec3f comNorm; //normal used for computaions
    int id; // ID of this vertex // used only for outPut
    list<int> polygons;
    list<int> edges;
};

struct EExt : public PointShell_Object_Data_Geometry::E{
    float length;
    int p1ID;
    int p2ID;
};

struct PExt : public PointShell_Object_Data_Geometry::P{
    float size;
    int e1ID;
    int e2ID;
    int e3ID;
    osg::Vec3f norm;
};

    PointShell_Object_Data_Geometry_Analyser();
    ~PointShell_Object_Data_Geometry_Analyser(){};

    void setVerticesCount(int count);
    void setPolygonsCount(int count);
    void setEdgesCount(int count);

    void writeVertex(int seqnum,osg::Vec3f pos, osg::Vec3f norm); // writes a new vertex into a mesh
    void writeVertex(int seqnum,osg::Vec3f pos); // writes a new vertex into a mesh
    void writeEdge(int seqnum,int vertexPos1, int vertexPos2); // writes an edge into a mesh
    void writeEdge(int seqnum,int vertexPos1, int vertexPos2, int polygonPos1, int polygonPos2); // writes an edge in to a mesh
    void writePolygon(int seqnum, int v1, int v2, int v3); // writes a new polygon in a mesh

    void finishStructureBuild();

    vector<PointShell_Object_Data_Geometry::V> getVertices(); // returns all vertices of geometry
    vector<PointShell_Object_Data_Geometry::E> getEdges(); // returns all edges of geometry
    vector<PointShell_Object_Data_Geometry::P> getPolygons(); // returns all polygons of geometry

    PointShell_Object_Data_Geometry::V getVertex(int seqnum); // returns a vertex at position seqnum

    float getMaxDistance(); // returns maximum distance in object. Computed by vertices. 
    osg::Vec3f getMaxDistanceVector(); // returns maximum distance vector. Computed by vertices.

protected:
    #define FIELD_SIZE  200000  
    VExt vertices[FIELD_SIZE];
    EExt edges[3*FIELD_SIZE - 2];
    PExt polygons[2*FIELD_SIZE -2];
    int iVerticesCount;
    int iEdgesCount;
    int iPolygonsCount;

    float maxDistance;
    int maxDistanceV1;
    int maxDistanceV2;

    void calculateEdgesLength(); // calculates length of ALL edges
    void calculateEdgeLength(int edge); // calculate length of required edge

    void calculateNormalOfPolygons(); // calcluates normals of ALL polygons
    void calculateNormalOfPolygon(int seqnum); // calculate normal of required polygon

    void calculateVerticesNormals(); // calculate normals of vertices
    void calculateVertexNormal(int seqnum); // calculate normals of vertex

    void cleanVertexEdges(); // cleans vertex edges from duplicities

    void handleEdges(int polygon); // for a polygon the new edges are created or the polygons edges ID's are set 
    vector<int> getEdges(int polygon);
};
}
#endif