129 lines
3.0 KiB
C++
129 lines
3.0 KiB
C++
////////////////////////////////////////////////////////////////////////////
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//
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// Crytek Engine Source File.
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// Copyright (C), Crytek Studios, 2002.
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// -------------------------------------------------------------------------
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// File name: terrainbeachgen.h
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// Version: v1.00
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// Created: 1/7/2003 by Vladimir.
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// Compilers: Visual Studio.NET
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// Description:
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// -------------------------------------------------------------------------
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// History:
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//
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////////////////////////////////////////////////////////////////////////////
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#ifndef __terrainbeachgen_h__
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#define __terrainbeachgen_h__
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#pragma once
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//////////////////////////////////////////////////////////////////////////
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// Dynamic replacement for static 2d array
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//////////////////////////////////////////////////////////////////////////
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template <class T> struct Array2d
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{
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Array2d()
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{
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m_nSize = 0;
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m_pData = 0;
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}
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void GetMemoryUsage(ICrySizer*pSizer)
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{
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pSizer->AddObject (m_pData, m_nSize*m_nSize*sizeof(T));
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}
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void Allocate(int nSize)
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{
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if(m_nSize == nSize)
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return;
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delete m_pData;
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m_nSize = nSize;
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m_pData = new T [nSize*nSize];
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memset(m_pData, 0, nSize*nSize*sizeof(T));
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}
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~Array2d()
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{
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delete [] m_pData;
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}
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T * m_pData;
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int m_nSize;
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T * operator [] (const int & nPos) const
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{
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assert(nPos>=0 && nPos<m_nSize);
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return &m_pData[nPos*m_nSize];
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}
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void operator = (const Array2d & other)
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{
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Allocate(other.m_nSize);
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memcpy(m_pData,other.m_pData,m_nSize*m_nSize*sizeof(T));
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}
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};
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//////////////////////////////////////////////////////////////////////////
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struct CTerrainSectorBeachInfo
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{
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bool m_bBeachPresent;
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struct BeachPairStruct
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{
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BeachPairStruct () { ZeroStruct(*this); }
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Vec3d pos, water_dir; float distance; int busy;
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Vec3d pos1,posm,pos2;
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};
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#define MAX_BEACH_GROUPS 16
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std::vector<BeachPairStruct> m_arrlistBeachVerts[MAX_BEACH_GROUPS];
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std::vector<BeachPairStruct> m_lstUnsortedBeachVerts; // tmp
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CLeafBuffer * m_pLeafBufferBeach;
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int m_nOriginX, m_nOriginY; // sector origin
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};
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// Shore geometry generator
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class CTerrainBeachGenerator
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{
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public:
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CTerrainBeachGenerator( CHeightmap *pTerrain);
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void Generate( CFile &file );
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private:
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int MarkWaterAreas();
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void MakeBeachStage1( CTerrainSectorBeachInfo *pSector );
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void MakeBeachStage2( CTerrainSectorBeachInfo *pSector );
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float GetZSafe( int x,int y );
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float GetZSafe( float x,float y );
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float GetZApr(float x1, float y1);
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int GetSecIndex( CTerrainSectorBeachInfo *pSector )
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{
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return (pSector->m_nOriginX/m_sectorSize)*m_sectorTableSize + (pSector->m_nOriginY/m_sectorSize); }
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CHeightmap* m_pTerrain;
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struct CBeachInfo { bool beach,in_water; };
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Array2d<CBeachInfo> m_arrBeachMap;
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Array2d<char> m_WaterAreaMap;
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std::vector<int> m_lstWaterAreaSizeTable;
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std::vector<CTerrainSectorBeachInfo*> m_sectors;
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int m_nMaxAreaSize;
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int m_sectorTableSize;
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int m_sectorSize;
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int m_unitSize;
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int m_terrainSize;
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int m_heightmapSize;
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float m_waterLevel;
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float m_fShoreSize;
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float* m_pHeightmapData;
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CFile *m_pFile;
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};
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#endif // __terrainbeachgen_h__
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