#include "stdafx.h"
#include "Swaypoint.h"
#include "EnvironmentInfo.h"

#include <kfile/KStream.h>
#include <kfile/KFiler.h>
#include <kfile/KFileManager.h>
#include <toolkit/XStringUtil.h>

#include "TerrainSeamlessWorldInfo.h"

#include "SDebug_Util.h"

SWayPoint::SWayPoint()
{
}

SWayPoint::~SWayPoint()
{
	RemoveAllWayPointList();
}

void SWayPoint::Init( const CTerrainSeamlessWorldInfo* pSeamlessWorldInfo )
{
	const KSize sMapSize = pSeamlessWorldInfo->GetMapCount();
	for( int x = 0; x < sMapSize.cx; x++ )
	{
		for( int y = 0; y < sMapSize.cy; y++ )
		{
			std::string strMapFileName = pSeamlessWorldInfo->GetMapFileName( x, y );
			strMapFileName	=	strMapFileName.substr( 0, strMapFileName .find( '.' ) );
			strMapFileName	+=	".nfp";		

			KStream* pStream = KFileManager::Instance().CreateStreamFromResource( strMapFileName.c_str() );
			if( pStream )
			{
				int nWayPointList = 0;
				pStream->Read( &nWayPointList, sizeof( nWayPointList ) );
				for( int nCount = 0; nCount < nWayPointList; nCount++ )
				{
					//헤더 건너뛰기
					pStream->Seek( sizeof(MOVEMENT_PATH_HEADER), KStream::seekCur );

					//설명 건너뛰기
					int nSize = 0;
					pStream->Read( &nSize, sizeof( nSize ) );
					if(nSize > 1) pStream->Seek( nSize, KStream::seekCur );
				
					//웨이포인트 건너뛰기
					pStream->Read( &nSize, sizeof( nSize ) );
					if(nSize > 0) pStream->Seek( sizeof(K3DVector)*nSize, KStream::seekCur );

					//연결된 맵이름 저장해야 한다
					pStream->Read( &nSize, sizeof( nSize ) );
					if( nSize > 1 )
					{
						char* pLinkMapFileName = new char[ nSize ];
						pStream->Read( pLinkMapFileName, nSize );
						SAFE_DELETE_ARRAY( pLinkMapFileName );
					}
				}
			}
			SAFE_DELETE(pStream);
		}
	}
}

void SWayPoint::RemoveAllWayPointList()
{
	std::vector< WAYPOINT_LIST* >::iterator iter = m_WayPointList.begin();
	for( ; iter != m_WayPointList.end() ; )
	{
		SAFE_DELETE( (*iter) );
		iter = m_WayPointList.erase( iter );
	}
	m_WayPointList.clear();
}

void SWayPoint::LoadWayPoint( std::string strMapFileName, int nPosX, int nPosY, float fMapLen )
{
	RemoveAllWayPointList();

	strMapFileName	=	strMapFileName.substr( 0, strMapFileName .find( '.' ) );
	strMapFileName	+=	".nfp";		

	KStream* pStream = KFileManager::Instance().CreateStreamFromResource( strMapFileName.c_str() );
	if( pStream == NULL )
	{
		SAFE_DELETE( pStream );
//		assert( 0 && "이동경로 파일로드 실패" );
		return;
	}

	int nWayPointList = 0;
	pStream->Read( &nWayPointList, sizeof( nWayPointList ) );

	for( int nCount = 0; nCount < nWayPointList; nCount++ )
	{
		//WayPoint나 MovementPath나 똑같다 ㅡ,.ㅡ
		MOVEMENT_PATH_HEADER sMovementPathHeader;
		pStream->Read( &sMovementPathHeader, sizeof( sMovementPathHeader ) );

		WAYPOINT_LIST* pNewWayPoint = new WAYPOINT_LIST;

		//아이디 및 속성 저장
		pNewWayPoint->nWayPointID	= sMovementPathHeader.nMovementPathID; 

		//설명 저장
		int nCharSize = 0;
		pStream->Read( &nCharSize, sizeof( int ) );
		if( nCharSize > 1 )
		{
			char* pDesCription = new char[ nCharSize ];
			pStream->Read( pDesCription, nCharSize );
			pNewWayPoint->strDescription	=	pDesCription;
			SAFE_DELETE_ARRAY( pDesCription );
		}
	
		pStream->Read( &pNewWayPoint->nPointSize, sizeof( int ) );

		if( pNewWayPoint->nPointSize > 0 )
			pNewWayPoint->pPointList = new K3DVector[pNewWayPoint->nPointSize];

		//한번에 읽어들일지 하나씩 읽어들일지는 나중에 고치자
		for( int nWayPointCount = 0; nWayPointCount < pNewWayPoint->nPointSize; nWayPointCount++ )
		{
			K3DVector vPos = K3DVector( 0.0f, 0.0f, 0.0f );
			pStream->Read( &vPos, sizeof( K3DVector ) );

			vPos.x	+= (int)( (float)nPosX * fMapLen );
			vPos.y	+= (int)( (float)nPosY * fMapLen );

			pNewWayPoint->pPointList[nWayPointCount]	= vPos;
			pNewWayPoint->pPointList[nWayPointCount].z	= 0.0f;
		}

		//연결된 맵이름 건너뛴다
		pStream->Read( &nCharSize, sizeof( int ) );
		if( nCharSize > 1 )
		{
			pStream->Seek( sizeof(char)*nCharSize, KStream::seekCur );
		}

		m_WayPointList.push_back( pNewWayPoint );
	}

	SAFE_DELETE( pStream );
}

K3DVector* SWayPoint::GetWayPoint( int& nWayPointID )
{
	std::vector< WAYPOINT_LIST* >::iterator iter = m_WayPointList.begin();
	for( ; iter != m_WayPointList.end(); iter++ )
	{
		if( (*iter)->nWayPointID == nWayPointID )
		{
			nWayPointID		=	(*iter)->nPointSize;
			return (*iter)->pPointList;
		}
	}

	return NULL;
}