TerrainLayers.h

//
// TerrainLayers.h
//
// Copyright (c) 2006-2011 Virtual Terrain Project
// Free for all uses, see license.txt for details.
//

#ifndef TERRAINLAYERSH
#define TERRAINLAYERSH

#include "Structure3d.h"    // for vtStructureArray3d


class vtLayer : public osg::Referenced
{
public:
    virtual ~vtLayer() {}

    virtual void SetLayerName(const vtString &fname) = 0;
    virtual vtString GetLayerName() = 0;
    virtual void SetVisible(bool vis) = 0;
    virtual bool GetVisible() = 0;
};
typedef osg::ref_ptr<vtLayer> vtLayerPtr;

class vtStructureLayer : public vtStructureArray3d, public vtLayer
{
public:
    void SetLayerName(const vtString &fname) { SetFilename(fname); }
    vtString GetLayerName() { return GetFilename(); }
    void SetVisible(bool vis)
    {
        SetEnabled(vis);
    }
    bool GetVisible()
    {
        return GetEnabled();
    }
};

class vtImageLayer : public vtLayer
{
public:
    vtImageLayer();
    ~vtImageLayer();

    void SetLayerName(const vtString &fname) { /* not applicable */ }
    vtString GetLayerName() { return m_pImage->GetFilename().c_str(); }
    void SetVisible(bool vis);
    bool GetVisible();

    vtImageGeoPtr m_pImage;
    vtMultiTexture *m_pMultiTexture;
};

class LayerSet : public std::vector<vtLayerPtr>
{
public:
    void Remove(vtLayer *lay);
    vtLayer *FindByName(const vtString &name);
    vtStructureLayer *FindStructureFromNode(osg::Node *pNode, int &iOffset);
};
    // Group terrain

#endif // TERRAINLAYERSH