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BuildingArray.h

//
// BuildingArray.h
//
// Copyright (c) 2001 Virtual Terrain Project
// Free for all uses, see license.txt for details.
//

#ifndef BUILDINGARRAYH
#define BUILDINGARRAYH

#include "MathTypes.h"
#include "Projections.h"
#include "Building.h"
#include <stdio.h>

#define BCFVERSION_CURRENT      1.2f
#define BCFVERSION_SUPPORTED    1.1f

// BCF file format version history
//
// 1.0 first version, just a list of xy floats
// 1.1 first numbered version, real structure with flexible number of fields
// 1.2 added utm_zone field at top of file

/*****
 *
 * Name: vtBuildingArray
 * Parent: Array<vtBuildingPtr>
 *
 * Description:
 *  Array of Buildings
 *
 *****/
class vtBuildingArray : public Array<vtBuildingPtr> 
{
public:
    ~vtBuildingArray() { Empty(); }
    virtual void DestructItems(int first, int last);    // override

    void AddBuilding(vtBuildingPtr bld) { Append(bld); }
    void Remove(int index, DPoint2 &thepoint)   // remove a specific coordinate 
    {
        // grab the point out of the array
        thepoint = GetAt(index)->GetLocation();
        RemoveAt(index, 1);
    }
    void DeleteSelected();

    bool ReadSHP(const char* pathname);
    bool ReadBCF(const char* pathname);         // read a .bcf file
    bool WriteSHP(const char* pathname);
    bool WriteBCF(const char* pathname);        // write to a .bcf file
    bool ReadBCF_Old(FILE *fp);

    int IsBuildingThere(DPoint2 point, double error);//checks to see if a coordinate (within
                                                    //the given spatial error) is in the array
    bool FindClosestCorner(DPoint2 point, double error,
                           int &building, int &corner, double &distance);
    bool FindClosestCenter(DPoint2 point, double error,
                           int &building, double &distance);

    bool IsEmpty() { return (GetSize() == 0); }
    void GetExtents(DRECT &ext);

    // selection
    int NumSelected();
    void DeselectAll();

    // override this so that the BuildingArray base methods can be capable
    // of handling subclasses of vtBuilding
    virtual vtBuilding *NewBuilding() { return new vtBuilding; }
//  vtBuilding *GetBuilding(int i) { return GetAt(i); }

    vtProjection m_proj;
protected:
};

#endif

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