cMapChanHeight.h

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//
//
 
#ifndef _INC_CMapChanHeight_H
#define _INC_CMapChanHeight_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cMapBase.h"
#include "GrayCore/include/cNewPtr.h"
 
namespace GrayCodec
{
        class cImageJP2;
};
 
namespace GrayMapData
{
#define MAP_OCTANT_EXT ".jp2"
 
        class GRAYMAPDATA_LINK CMapChanHeight
        {
        public:
                CMapChanHeight()
                        : m_bGenerated(false)
                        , m_bBufferRedisplay(true)
                        , m_bSkirtDone(false)
                        , m_bSkirtTried(false)
                {
                }
 
#define MAP_PATCH_SIZE1         (128+1) // real allocated size for height includes a 1 point skirt.
 
        public:
                MAP_HEIGHT_t m_Grid[MAP_PATCH_SIZE1 * MAP_PATCH_SIZE1]; // raw height grid + skirt.
                cNewPtr<::GrayCodec::cImageJP2> m_pImage;       // Octant uses a compressed 16 bit grey-scale image for the ground height map. NULL for other patch LODs
                cValueRange<MAP_HEIGHT_t> m_Range;      // height min/max so we can build a bbox from m_Height.m_Grid
 
                bool    m_bGenerated;                   // The height is purely programmatic. Don't save this.
                bool    m_bBufferRedisplay;             // used by terrain editor to flag when a buffer needs to be redisplayed
 
                // the +1 height overlap is computed as needed.
                bool    m_bSkirtDone;                   // We have computed all the overlap info we need.
                bool    m_bSkirtTried;                  // We have tried for overlap. clear on load of more data. so we can try again.
        };
} 
 
#endif