cMapChanSurface.h

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//
//
 
#ifndef _INC_CMapChanSurface_H
#define _INC_CMapChanSurface_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cMapBase.h"
 
namespace GrayMapData
{
        class GRAYMAPDATA_LINK CMapChanSurface
        {
        private:
                MAP_SURFACE_ID_t* m_pSurf;      // store the X*Y grid of MAP_SURFACE_ID_t
                size_t  m_iPitch;                       // bytes
 
        public:
                CMapChanSurface()
                        : m_pSurf(nullptr)
                        , m_iPitch(0)
                {
                }
                ~CMapChanSurface()
                {
                        EmptySurf();
                }
                MAP_SURFACE_ID_t* GetSurfPtr(MAP_PATCH_POINT_t px, MAP_PATCH_POINT_t py) const
                {
                        ASSERT(IS_INDEX_GOOD(px, 1025) && IS_INDEX_GOOD(py, 1025));
                        return m_pSurf + (py*m_iPitch) + px;
                }
                MAP_SURFACE_ID_t GetSurf(MAP_PATCH_POINT_t px, MAP_PATCH_POINT_t py) const
                {
                        // get raw surface id at a point.
                        // ARGS: x,y = coords offset in the patch
                        if (m_pSurf == nullptr)
                                return MAP_SURFACE_Legacy;      // no idea. not loaded ??
                        return *GetSurfPtr(px, py);
                }
                void EmptySurf()
                {
                        if (m_pSurf != nullptr)
                        {
                                delete m_pSurf;
                                m_pSurf = nullptr;
                        }
                }
        };
}
 
#endif