Fence.h

//
// Fences.h
//
// Copyright (c) 2001-2011 Virtual Terrain Project
// Free for all uses, see license.txt for details.
//

#ifndef FENCESH
#define FENCESH

#include <stdio.h>
#include "MathTypes.h"
#include "Structure.h"

enum vtLinearStyle
{
    FS_WOOD_POSTS_WIRE,
    FS_METAL_POSTS_WIRE,
    FS_METAL_POSTS_HOGWIRE,
    FS_CHAINLINK,
    FS_SECURITY,
    FS_DRYSTONE,
    FS_STONE,
    FS_PRIVET,
    FS_BERM,
    FS_RAILING_ROW,
    FS_RAILING_CABLE,
    FS_RAILING_EU,
    FS_TOTAL
};

#define FENCE_DEFAULT_HEIGHT    1.2f
#define FENCE_DEFAULT_SPACING   2.5f

class vtLinearParams
{
public:
    void Defaults();
    void Blank();
    void ApplyStyle(vtLinearStyle style);
    void WriteXML(GZOutput &out) const;

    bool operator==(const vtLinearParams &rhs) const;

    // Posts
    vtString    m_PostType;         // wood, steel, none
    float       m_fPostHeight;
    float       m_fPostSpacing;
    float       m_fPostWidth;
    float       m_fPostDepth;
    vtString    m_PostExtension;    // left, right, double, none

    // Connect
    int         m_iConnectType;     // 0=none, 1=wire, 2=simple, 3=profile
    vtString    m_ConnectMaterial;  // chain-link, privet, drystone, etc.
    float       m_fConnectTop;
    float       m_fConnectBottom;
    float       m_fConnectWidth;
    short       m_iConnectSlope;    // slope on the sides of the connector
    bool        m_bConstantTop;     // top of connector is constant height
    vtString    m_ConnectProfile;   // filename of profile
};

class vtFence : public vtStructure
{
public:
    vtFence();

    // copy operator
    vtFence &operator=(const vtFence &v);

    // geometry methods
    void AddPoint(const DPoint2 &epos);
    DLine2 &GetFencePoints() { return m_pFencePts; }
    void GetClosestPoint(const DPoint2 &point, DPoint2 &closest);
    double GetDistanceToLine(const DPoint2 &point);
    int GetNearestPointIndex(const DPoint2 &point, double &fDist);
    bool IsContainedBy(const DRECT &rect) const;
    bool GetExtents(DRECT &rect) const;

    // IO
    void WriteXML(GZOutput &out, bool bDegrees) const;

    // style
    void ApplyStyle(vtLinearStyle style);
    vtLinearParams &GetParams() { return m_Params; }
    virtual void SetParams(const vtLinearParams &params) { m_Params = params; }
    virtual void ProfileChanged() {}

protected:
    DLine2      m_pFencePts;    // in earth coordinates

    vtLinearParams  m_Params;
};

// Helpers
bool LoadFLine2FromSHP(const char *fname, FLine2 &prof);
bool SaveFLine2ToSHP(const char *fname, const FLine2 &prof);

#endif  // FENCESH