Leviathan/Client/Game/engine/TerrainEngine/PVSObject.h

#pragma once

#include <toolkit/khash.h>

class PVSObject
{
public:
	
	PVSObject();
	~PVSObject();

	bool IsMapCheck( int nMapStartX, int nMapStartY );
	bool IsPVSActCheck( int nRootSegmentX, int nRootSegmentY );

	void Load( const char* pFileName );

	bool IsVisibleSegment( int nRootSegmentX, int nRootSegmentY, int nSegmentX, int nSegmentY );
	bool IsVisibleProp( int nRootSegmentX, int nRootSegmentY, size_t nSegmentIdx, size_t nPropIdx );

	//Tool 용
	int GetCountChildSegment( int nRootSegmentX, int nRootSegmentY );
	int GetCountChildProp( int nRootSegmentX, int nRootSegmentY );

	enum
	{
		EXPORT_EXCHANGE = 0,
		EXPORT_ADD,
		EXPORT_SUBTRACT,
	};

	void ExportTxt( int nMode, const char* pFileName, int nRootSegmentX, int nRootSegmentY, std::vector<size_t>& vSegXList, std::vector<size_t>& vSegYList, std::vector<size_t>& vPropIdxList, std::vector<size_t>& vPropNumList );

	struct hashPr_SEGMENT
	{
		struct Key 
		{
			Key()								{}
			Key( const Key& _segment )			{ m_segmentX = _segment.m_segmentX; m_segmentY = _segment.m_segmentY; }
			Key( int nSegmentX, int nSegmentY )	{ m_segmentX = nSegmentX; m_segmentY = nSegmentY; }
			~Key()								{}
			int m_segmentX;
			int m_segmentY;
		};

		static inline unsigned int getindex( Key key, int nCapacity )
		{
			return ((unsigned int)key.m_segmentX + key.m_segmentY) % nCapacity;
		}
		static inline bool isequal( Key key1, Key key2 )
		{
			return (key1.m_segmentX == key2.m_segmentX && key1.m_segmentY == key2.m_segmentY);
		}
		static inline bool isless( Key key1, Key key2 )
		{
			if( key1.m_segmentX != key2.m_segmentX )
				return key1.m_segmentX < key2.m_segmentX;
				
			return key1.m_segmentY < key2.m_segmentY;
		}
	};

	struct hashPr_PROP
	{
		struct Key 
		{
			Key()								       {}
			Key( const Key& _prop )				       { m_nSegmentIdx = _prop.m_nSegmentIdx; m_nPropIdx = _prop.m_nPropIdx; }
			Key( size_t nSegmentIdx, size_t nPropIdx ) { m_nSegmentIdx = nSegmentIdx; m_nPropIdx = nPropIdx; }
			~Key()								       {}
			size_t m_nSegmentIdx;
			size_t m_nPropIdx;
		};

		static inline unsigned int getindex( Key key, int nCapacity )
		{
			return ((unsigned int)key.m_nSegmentIdx + key.m_nPropIdx) % nCapacity;
		}
		static inline bool isequal( Key key1, Key key2 )
		{
			return ( key1.m_nSegmentIdx == key2.m_nSegmentIdx && key1.m_nPropIdx == key2.m_nPropIdx );
		}
		static inline bool isless( Key key1, Key key2 )
		{
			if( key1.m_nSegmentIdx != key2.m_nSegmentIdx )
				return key1.m_nSegmentIdx < key2.m_nSegmentIdx;

			return key1.m_nPropIdx < key2.m_nPropIdx;
		}
	};

	struct SEGMENT_DATA
	{
		SEGMENT_DATA()
		{
			nSegmentX = 0;
			nSegmentY = 0;
		}

		unsigned short nSegmentX; ///< 0~63
		unsigned short nSegmentY; ///< 0~63
	};

	struct PROP_DATA
	{
		PROP_DATA()
		{
			nSegmentIdx = 0;
			nPropIdx    = 0;
		}

		size_t nSegmentIdx;
		size_t nPropIdx;
	};

	struct SEGMENT_ROOT
	{
		SEGMENT_ROOT()
		{
			nSegmentX = 0;
			nSegmentY = 0;
		}

		~SEGMENT_ROOT()
		{
			SEGMENT_DATA* pDATA=NULL;
			bool res;
			res = m_hashBySEGMENT.get_first_value( pDATA );
			while ( res )
			{
				if ( pDATA != NULL )
				{
					delete pDATA;
				}
				res = m_hashBySEGMENT.get_next_value( pDATA );
			}
			m_hashBySEGMENT.clear();
		}

		unsigned short nSegmentX; ///< 0~63
		unsigned short nSegmentY; ///< 0~63
		KHash< SEGMENT_DATA*, hashPr_SEGMENT >		m_hashBySEGMENT;
	};

	struct PROP_ROOT
	{
		PROP_ROOT()
		{
			nSegmentX = 0;
			nSegmentY = 0;
		}

		~PROP_ROOT()
		{
			PROP_DATA* pDATA=NULL;
			bool res;
			res = m_hashByPROP.get_first_value( pDATA );
			while ( res )
			{
				if ( pDATA != NULL )
				{
					delete pDATA;
				}
				res = m_hashByPROP.get_next_value( pDATA );
			}
			m_hashByPROP.clear();
		}

		unsigned short nSegmentX; ///< 0~63
		unsigned short nSegmentY; ///<0~63

		KHash< PROP_DATA*,    hashPr_PROP    >		m_hashByPROP;
	};

protected:

		struct NFM_PVS_HEADER_V1* m_pHeader;
		KRect m_rcSegment;

		KHash< SEGMENT_ROOT*, hashPr_SEGMENT >		m_hashBySEGMENT;
		KHash< PROP_ROOT*,    hashPr_SEGMENT >		m_hashByPROP;

private:

};

//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
/// PVSObeject Manager
class PVSObjectManager
{
public:
	PVSObjectManager();
	~PVSObjectManager();

	/// 현재 위치 설정
	void SetRootSegment( int nSegmentX, int nSegmentY );
	bool IsPVSActive();

	bool CheckSegment( int nSegmentX, int nSegmentY );
	bool CheckProp( size_t nSegmentIdx, size_t nPropIdx );

	//Load
	/// Warp Loading ex) 던전
	void WarpLoad( int nWorldPosX, int nWorldPosY );

	/// Thread Loading ex) 마을
	void ThreadLoad( int nWorldPosX, int nWorldPosY );

	static void SetTogglePVS()
	{
		m_sToggleAct = !m_sToggleAct;
	}
	/// 2011.11.09 월드 좌표를 맵 좌표로 변환 - prodongi
	void convertWorldToMapPos(int worldPosX, int worldPosY, int& mapX, int& mapY);

protected:
	void Clear();
	bool m_bIsPVSActive;

	PVSObject*	m_pCurPVSObject;
	std::vector< PVSObject* > m_vPVSObjectList;

	int m_nRootSegmentX, m_nRootSegmentY;

	static bool m_sToggleAct;

private:

};


//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
/// PVS Merge
class PVSMerge
{
public:
	PVSMerge();
	~PVSMerge();

	void Init();

	void MergeFile( const char * pFileName );
	void SaveMerge( const char * pFileName );

	/// Modify
	void Modify( const char * pFileName );

	struct MERGE_SEGMENT
	{
		struct NFM_PVS_SEGMENT_V1* pSegment;
		std::vector<struct NFM_SEGMENT_DATA_V1*> vSegmentList;
	};

	struct MERGE_PROP
	{
		struct NFM_PVS_PROP_V1* pProp;
		std::vector<struct NFM_PROP_DATA_V1*> vPropList;
	};

protected:

	void Clear();

	unsigned int MergeSegment( std::vector< MERGE_SEGMENT* >& main_list, struct NFM_PVS_SEGMENT_V1* pMergeSegment, std::vector<NFM_SEGMENT_DATA_V1>& segment_list );
	unsigned int MergeProp( std::vector< MERGE_PROP* >& main_list, struct NFM_PVS_PROP_V1* pMergeProp, std::vector<NFM_PROP_DATA_V1>& prop_list );

	NFM_PVS_HEADER_V1 m_Mainheader;

	std::vector< MERGE_SEGMENT* > m_vMergeSegment;
	std::vector< MERGE_PROP*    > m_vMergeProp;
};