C++ CItemBase::GetHeight方法代码示例

void CWorld::GetHeightPoint( const CPointMap & pt, CGrayMapBlockState & block, bool fHouseCheck )
{
	ADDTOCALLSTACK("CWorld::GetHeightPoint");
	CItemBase * pItemDef = NULL;
	CItemBaseDupe * pDupeDef = NULL;
	CItem * pItem = NULL;
	DWORD wBlockThis = 0;
	signed char z = 0;
	height_t zHeight = 0;
	int x2 = 0, y2 = 0;

	// Height of statics at/above given coordinates
	// do gravity here for the z.
	const CGrayMapBlock * pMapBlock = GetMapBlock( pt );
	if (pMapBlock == NULL)
		return;

	size_t iQty = pMapBlock->m_Statics.GetStaticQty();
	if ( iQty > 0 )  // no static items here.
	{
		x2 = pMapBlock->GetOffsetX(pt.m_x);
		y2 = pMapBlock->GetOffsetY(pt.m_y);
		const CUOStaticItemRec * pStatic = NULL;
		for ( size_t i = 0; i < iQty; ++i, z = 0, zHeight = 0, pStatic = NULL, pDupeDef = NULL )
		{
			if ( ! pMapBlock->m_Statics.IsStaticPoint( i, x2, y2 ))
				continue;

			pStatic = pMapBlock->m_Statics.GetStatic( i );
			if ( pStatic == NULL )
				continue;

			z = pStatic->m_z;

			//DEBUG_ERR(("z (%d)  block.m_zHeight (%d) block.m_Bottom.m_z (%d)\n",z,block.m_zHeight,block.m_Bottom.m_z));
			if ( ! block.IsUsableZ( z, block.m_zHeight ))
				continue;

			// This static is at the coordinates in question.
			// enough room for me to stand here ?

			pItemDef = CItemBase::FindItemBase( pStatic->GetDispID() );
			if ( pItemDef )
			{
				//DEBUG_ERR(("pItemDef->GetID(0%x) pItemDef->GetDispID(0%x) pStatic->GetDispID(0%x)\n",pItemDef->GetID(),pItemDef->GetDispID(),pStatic->GetDispID()));
				if ( pItemDef->GetID() == pStatic->GetDispID() ) //parent item
				{
					zHeight = pItemDef->GetHeight();
					wBlockThis = ( pItemDef->m_Can & CAN_I_MOVEMASK ); //Use only Block flags, other remove
				}
				else //non-parent item
				{
					pDupeDef = CItemBaseDupe::GetDupeRef(static_cast<ITEMID_TYPE>(pStatic->GetDispID()));
					if ( ! pDupeDef )
					{
						g_Log.EventDebug("Failed to get non-parent reference (static) (DispID 0%x) (X: %d Y: %d Z: %d)\n",pStatic->GetDispID(),pStatic->m_x+pMapBlock->m_x,pStatic->m_y+pMapBlock->m_y,pStatic->m_z);
						zHeight = pItemDef->GetHeight();
						wBlockThis = ( pItemDef->m_Can & CAN_I_MOVEMASK );
					}
					else
					{
						zHeight = pDupeDef->GetHeight();
						wBlockThis = ( pDupeDef->m_Can & CAN_I_MOVEMASK ); //Use only Block flags, other remove - CAN flags cannot be inherited from the parent item due to bad script pack...
					}
				}
			}
			else if ( pStatic->GetDispID() )
				CItemBase::GetItemTiledataFlags(wBlockThis,pStatic->GetDispID());

			block.CheckTile_Item( wBlockThis, z, zHeight, pStatic->GetDispID() + TERRAIN_QTY );
		}
	}

	pItemDef = NULL;
	pDupeDef = NULL;
	pItem = NULL;
	wBlockThis = 0;
	z = 0;
	zHeight = 0;
	x2 = y2 = 0;
	iQty = 0;

	// Any multi items here ?
	// Check all of them
	if ( fHouseCheck )
	{
		CRegionLinks rlinks;
		size_t iRegionQty = pt.GetRegions( REGION_TYPE_MULTI, rlinks );
		if ( iRegionQty > 0 )
		{
			//  ------------ For variables --------------------
			CRegionBase * pRegion = NULL;
			const CGrayMulti * pMulti = NULL;
			const CUOMultiItemRec2 * pMultiItem = NULL;
			x2 = 0;
			y2 = 0;
			//  ------------ For variables --------------------

			for ( size_t iRegion = 0; iRegion < iRegionQty; ++iRegion, pRegion = NULL, pItem = NULL, pMulti = NULL, x2 = 0, y2 = 0 )
			{
//.........这里部分代码省略.........

void CWorld::GetFixPoint( const CPointMap & pt, CGrayMapBlockState & block)
{
	//Will get the highest CAN_I_PLATFORM|CAN_I_CLIMB and places it into block.Bottom
	ADDTOCALLSTACK("CWorld::GetFixPoint");
	CItemBase * pItemDef = NULL;
	CItemBaseDupe * pDupeDef = NULL;
	CItem * pItem = NULL;
	DWORD wBlockThis = 0;
	signed char z = 0;
	int x2 = 0, y2 = 0;

	// Height of statics at/above given coordinates
	// do gravity here for the z.
	const CGrayMapBlock * pMapBlock = GetMapBlock( pt );
	if (pMapBlock == NULL)
		return;

	size_t iQty = pMapBlock->m_Statics.GetStaticQty();
	if ( iQty > 0 )  // no static items here.
	{
		x2 = pMapBlock->GetOffsetX(pt.m_x);
		y2 = pMapBlock->GetOffsetY(pt.m_y);
		const CUOStaticItemRec * pStatic = NULL;
		for ( size_t i = 0; i < iQty; ++i, z = 0, pStatic = NULL, pDupeDef = NULL )
		{
			if ( ! pMapBlock->m_Statics.IsStaticPoint( i, x2, y2 ))
				continue;

			pStatic = pMapBlock->m_Statics.GetStatic( i );
			if ( pStatic == NULL )
				continue;

			z = pStatic->m_z;

			pItemDef = CItemBase::FindItemBase( pStatic->GetDispID() );
			if ( pItemDef )
			{
				if (pItemDef->GetID() == pStatic->GetDispID()) //parent item
				{
					wBlockThis = (pItemDef->m_Can & CAN_I_MOVEMASK);
					z += ((wBlockThis & CAN_I_CLIMB) ? pItemDef->GetHeight()/2 : pItemDef->GetHeight());
				}
				else //non-parent item
				{
					pDupeDef = CItemBaseDupe::GetDupeRef(static_cast<ITEMID_TYPE>(pStatic->GetDispID()));
					if ( ! pDupeDef )
					{
						g_Log.EventDebug("Failed to get non-parent reference (static) (DispID 0%x) (X: %d Y: %d Z: %d)\n",pStatic->GetDispID(),pStatic->m_x+pMapBlock->m_x,pStatic->m_y+pMapBlock->m_y,pStatic->m_z);
						wBlockThis = ( pItemDef->m_Can & CAN_I_MOVEMASK );
						z += ((wBlockThis & CAN_I_CLIMB) ? pItemDef->GetHeight()/2 : pItemDef->GetHeight());
					}
					else
					{
						wBlockThis = (pDupeDef->m_Can & CAN_I_MOVEMASK);
						z += ((wBlockThis & CAN_I_CLIMB) ? pDupeDef->GetHeight()/2 : pDupeDef->GetHeight());
					}
				}
			}
			else if ( pStatic->GetDispID() )
				CItemBase::GetItemTiledataFlags(wBlockThis,pStatic->GetDispID());

			if (block.m_Bottom.m_z < z)
			{
				if ((z < pt.m_z+PLAYER_HEIGHT) && (wBlockThis & (CAN_I_PLATFORM|CAN_I_CLIMB|CAN_I_WATER)))
				{
					block.m_Bottom.m_dwBlockFlags = wBlockThis;
					block.m_Bottom.m_dwTile = pStatic->GetDispID() + TERRAIN_QTY;
					block.m_Bottom.m_z = z;
				}
				else if (block.m_Top.m_z > z)
				{
					block.m_Top.m_dwBlockFlags = wBlockThis;
					block.m_Top.m_dwTile = pStatic->GetDispID() + TERRAIN_QTY;
					block.m_Top.m_z = z;
				}
			}
		}
	}

	pItemDef = NULL;
	pDupeDef = NULL;
	pItem = NULL;
	wBlockThis = 0;
	z = 0;
	x2 = y2 = 0;
	iQty = 0;

	// Any multi items here ?
	// Check all of them
	CRegionLinks rlinks;
	size_t iRegionQty = pt.GetRegions( REGION_TYPE_MULTI, rlinks );
	if ( iRegionQty > 0 )
	{
		//  ------------ For variables --------------------
		CRegionBase * pRegion = NULL;
		const CGrayMulti * pMulti = NULL;
		const CUOMultiItemRec2 * pMultiItem = NULL;
		x2 = 0;
		y2 = 0;
		//  ------------ For variables --------------------
//.........这里部分代码省略.........

void CWorld::GetHeightPoint2( const CPointMap & pt, CGrayMapBlockState & block, bool fHouseCheck )
{
	ADDTOCALLSTACK("CWorld::GetHeightPoint2");
	// Height of statics at/above given coordinates
	// do gravity here for the z.

	DWORD wBlockThis = 0;
	const CGrayMapBlock * pMapBlock = GetMapBlock( pt );
	if ( !pMapBlock )
	{
		g_Log.EventWarn("GetMapBlock failed at %s.\n", pt.WriteUsed());
		return;
	}

	{
		size_t iStaticQty = pMapBlock->m_Statics.GetStaticQty();
		if ( iStaticQty > 0 )  // no static items here.
		{
			int x2 = pMapBlock->GetOffsetX(pt.m_x);
			int y2 = pMapBlock->GetOffsetY(pt.m_y);
			for ( size_t i = 0; i < iStaticQty; i++ )
			{
				if ( ! pMapBlock->m_Statics.IsStaticPoint( i, x2, y2 ))
					continue;
				const CUOStaticItemRec * pStatic = pMapBlock->m_Statics.GetStatic( i );
				signed char z = pStatic->m_z;
				if ( ! block.IsUsableZ(z,PLAYER_HEIGHT))
					continue;

				// This static is at the coordinates in question.
				// enough room for me to stand here ?
				wBlockThis = 0;
				height_t zHeight = CItemBase::GetItemHeight( pStatic->GetDispID(), wBlockThis );
				block.CheckTile( wBlockThis, z, zHeight, pStatic->GetDispID() + TERRAIN_QTY );
			}
		}
	}

	// Any multi items here ?
	if ( fHouseCheck )
	{
		CRegionLinks rlinks;
		size_t iRegionQty = pt.GetRegions( REGION_TYPE_MULTI, rlinks );
		if ( iRegionQty > 0 )
		{
			for ( size_t i = 0; i < iRegionQty; i++)
			{
				CRegionBase * pRegion = rlinks.GetAt(i);
				CItem * pItem = pRegion->GetResourceID().ItemFind();
				if ( pItem != NULL )
				{
					const CGrayMulti * pMulti = g_Cfg.GetMultiItemDefs(pItem);
					if ( pMulti )
					{
						int x2 = pt.m_x - pItem->GetTopPoint().m_x;
						int y2 = pt.m_y - pItem->GetTopPoint().m_y;

						size_t iMultiQty = pMulti->GetItemCount();
						for ( size_t j = 0; j < iMultiQty; j++ )
						{
							const CUOMultiItemRec2 * pMultiItem = pMulti->GetItem(j);
							ASSERT(pMultiItem);

							if ( ! pMultiItem->m_visible )
								continue;
							if ( pMultiItem->m_dx != x2 || pMultiItem->m_dy != y2 )
								continue;

							signed char zitem = static_cast<signed char>( pItem->GetTopZ() + pMultiItem->m_dz );
							if ( ! block.IsUsableZ(zitem,PLAYER_HEIGHT))
								continue;

							wBlockThis = 0;
							height_t zHeight = CItemBase::GetItemHeight( pMultiItem->GetDispID(), wBlockThis );
							block.CheckTile( wBlockThis, zitem, zHeight, pMultiItem->GetDispID() + TERRAIN_QTY );
						}
					}
				}
			}
		}
	}

	{
	// Any dynamic items here ?
	// NOTE: This could just be an item that an NPC could just move ?
	CWorldSearch Area( pt );
	for (;;)
	{
		CItem * pItem = Area.GetItem();
		if ( pItem == NULL )
			break;

		signed char zitem = pItem->GetTopZ();
		if ( ! block.IsUsableZ(zitem,PLAYER_HEIGHT))
			continue;

		// Invis items should not block ???
		CItemBase * pItemDef = pItem->Item_GetDef();
		ASSERT(pItemDef);

//.........这里部分代码省略.........

CPointMap CWorld::FindTypeNear_Top( const CPointMap & pt, IT_TYPE iType, int iDistance )
{
	ADDTOCALLSTACK("CWorld::FindTypeNear_Top");
#define RESOURCE_Z_CHECK 8
	CPointMap ptFound;
	CItemBase * pItemDef = NULL;
	CItem * pItem = NULL;
	CItemBaseDupe * pDupeDef = NULL;
	height_t Height = 0;
	BYTE z = 0;
	CPointMap ptTest;

	unsigned int iRetElem = 4;

	CPointMap ptElem[5];
	memset(ptElem, 0, sizeof(ptElem));
	//for ( iQty = 0; iQty < 4; ++iQty )
	//	ptElem[iQty].m_z = UO_SIZE_MIN_Z;
	ptElem[0].m_z = ptElem[1].m_z  = ptElem[2].m_z  = ptElem[3].m_z = UO_SIZE_MIN_Z;
	ptElem[4] = CPointMap(USHRT_MAX, USHRT_MAX, UO_SIZE_MIN_Z);

	bool fElem[4] = { false, false, false, false };

	// Check dynamics
	CWorldSearch Area( pt, iDistance );
	Area.SetAllShow( true );
	for (;;)
	{
		z = 0;
		Height = 0;
		pItem = Area.GetItem();
		if ( pItem == NULL )
			break;

		if ( pt.GetDist( pItem->GetTopPoint() ) > iDistance )
			continue;

		pItemDef = CItemBase::FindItemBase( pItem->GetDispID() );
		if ( pItemDef == NULL )
			continue;

		Height = pItemDef->GetHeight();
		if ( pItemDef->GetID() != pItem->GetDispID() ) //not a parent item
		{
			pDupeDef = CItemBaseDupe::GetDupeRef(static_cast<ITEMID_TYPE>(pItem->GetDispID()));
			if ( ! pDupeDef )
			{
				g_Log.EventDebug("Failed to get non-parent reference (dynamic) (DispID 0%x) (X: %d Y: %d Z: %d)\n",pItem->GetDispID(),ptTest.m_x,ptTest.m_y,ptTest.m_z);
				Height = pItemDef->GetHeight();
			}
			else
				Height = pDupeDef->GetHeight();
		}
		z = minimum( Height + pItem->GetTopPoint().m_z, UO_SIZE_Z ); //height + current position = the top point

		if ( ptElem[0].m_z > z ) //if ( ptElem[0].m_z > pItem->GetTopPoint().m_z )
			continue;

		if ( ((( z - pt.m_z ) > 0) && ( z - pt.m_z ) > RESOURCE_Z_CHECK ) || ((( pt.m_z - z ) < 0) && (( pt.m_z - z ) < - RESOURCE_Z_CHECK ))) //if ( ((( pItem->GetTopPoint().m_z - pt.m_z ) > 0) && ( pItem->GetTopPoint().m_z - pt.m_z ) > RESOURCE_Z_CHECK ) || ((( pt.m_z - pItem->GetTopPoint().m_z ) < 0) && (( pt.m_z - pItem->GetTopPoint().m_z ) < - RESOURCE_Z_CHECK )))
			continue;

		if (( z < ptElem[0].m_z ) || (( z == ptElem[0].m_z ) && ( fElem[0] )))
			continue;
        
		ptElem[0] = pItem->GetTopPoint();
		ptElem[0].m_z = z;
		fElem[0] = false;

		//DEBUG_ERR(("dynamic pItem->IsType( iType %d) %d\n",iType,pItem->IsType( iType )));
		if ( pItem->IsType( iType ) )  //( pItem->Item_GetDef()->IsType(iType) ) )
		{
			fElem[0] = true;
			iRetElem = 0;
		}
	}

	// Parts of multis ?
	const CGrayMulti * pMulti 			= NULL;		// Multi Def (multi check)
	const CUOMultiItemRec2 * pMultiItem = NULL;		// Multi item iterator
	CRegionBase * pRegion				= NULL;
	CRegionLinks rlinks;
	size_t iRegionQty = pt.GetRegions( REGION_TYPE_MULTI, rlinks );
	if ( iRegionQty > 0 )
	{
		for ( size_t iRegion = 0; iRegion < iRegionQty; pMulti = NULL, ++iRegion)
		{
			pRegion = rlinks.GetAt(iRegion);
			pItem = pRegion->GetResourceID().ItemFind();
			if ( !pItem )
				continue;
			pMulti = g_Cfg.GetMultiItemDefs(pItem);
			if ( !pMulti )
				continue;
			size_t iMultiQty = pMulti->GetItemCount();
			for ( size_t iMulti = 0; iMulti < iMultiQty; pItemDef = NULL, pMultiItem = NULL, Height = 0, ++iMulti )
			{
				pMultiItem = pMulti->GetItem(iMulti);
				
				if ( !pMultiItem )
					break;
//.........这里部分代码省略.........

bool CChar::CanSeeLOS_New( const CPointMap &ptDst, CPointMap *pptBlock, int iMaxDist, word flags, bool bCombatCheck ) const
{
	ADDTOCALLSTACK("CChar::CanSeeLOS_New");
	// WARNING: CanSeeLOS is an expensive function (lot of calculations but	most importantly it has to read the UO files, and file I/O is slow).

	if ( !bCombatCheck && IsPriv(PRIV_GM) )	// If i'm checking the LOS during a combat, i don't want to shoot through the walls even if i'm a GM
	{
		WARNLOS(("GM Pass\n"));
		return true;
	}

	CPointMap ptSrc = GetTopPoint();
	CPointMap ptNow(ptSrc);

	if ( ptSrc.m_map != ptDst.m_map )	// Different map
		return this->CanSeeLOS_New_Failed(pptBlock, ptNow);

	if ( ptSrc == ptDst )	// Same point ^^
		return true;

	short iTotalZ = ptSrc.m_z + GetHeightMount(true);
	ptSrc.m_z = (char)minimum(iTotalZ, UO_SIZE_Z);	//true - substract one from the height because of eyes height
	WARNLOS(("Total Z: %d\n", ptSrc.m_z));

	int dx, dy, dz;
	dx = ptDst.m_x - ptSrc.m_x;
	dy = ptDst.m_y - ptSrc.m_y;
	dz = ptDst.m_z - ptSrc.m_z;

    float dist2d, dist3d;
	dist2d = sqrt((float)(dx*dx + dy*dy));
	if ( dz )
		dist3d = sqrt((float)(dist2d*dist2d + dz*dz));
	else
		dist3d = dist2d;

	if ( APPROX(dist2d) > (float)iMaxDist )
	{
		WARNLOS(("( APPROX(dist2d)(%f) > ((double)iMaxDist)(%f) ) --> NOLOS\n", APPROX(dist2d), (float)iMaxDist));
		return CanSeeLOS_New_Failed(pptBlock, ptNow);
	}

	float dFactorX, dFactorY, dFactorZ;
	dFactorX = dx / dist3d;
	dFactorY = dy / dist3d;
	dFactorZ = dz / dist3d;

    float nPx, nPy, nPz;
	nPx = ptSrc.m_x;
	nPy = ptSrc.m_y;
	nPz = ptSrc.m_z;

	std::vector<CPointMap> path;
	for (;;)
	{
		if ( BETWEENPOINT(nPx, ptDst.m_x, ptSrc.m_x) && BETWEENPOINT(nPy, ptDst.m_y, ptSrc.m_y) && BETWEENPOINT(nPz, ptDst.m_z, ptSrc.m_z) )
		{
			dx = (int)APPROX(nPx);
			dy = (int)APPROX(nPy);
			dz = (int)APPROX(nPz);

			// Add point to vector
			if ( !path.empty() )
			{
				CPointMap ptEnd = path[path.size() - 1];
				if ( ptEnd.m_x != dx || ptEnd.m_y != dy || ptEnd.m_z != dz )
					path.emplace_back((word)dx, (word)dy, (char)dz, ptSrc.m_map);
			}
			else
			{
				path.emplace_back((word)dx, (word)dy, (char)dz, ptSrc.m_map);
			}
			WARNLOS(("PATH X:%d Y:%d Z:%d\n", dx, dy, dz));

			nPx += dFactorX;
			nPy += dFactorY;
			nPz += dFactorZ;
		}
		else
			break;
	}

	if ( !path.empty() )
	{
		if ( path[path.size() - 1] != ptDst )
			path.emplace_back(ptDst.m_x, ptDst.m_y, ptDst.m_z, ptDst.m_map);
	}
	else
	{
		path.clear();
		return CanSeeLOS_New_Failed(pptBlock, ptNow);
	}

	WARNLOS(("Path calculated %" PRIuSIZE_T "\n", path.size()));
	// Ok now we should loop through all the points and checking for maptile, staticx, items, multis.
	// If something is in the way and it has the wrong flags LOS return false

	const CServerMapBlock *pBlock			= nullptr;		// Block of the map (for statics)
	const CUOStaticItemRec *pStatic			= nullptr;		// Statics iterator (based on SphereMapBlock)
	const CSphereMulti *pMulti 				= nullptr;		// Multi Def (multi check)
//.........这里部分代码省略.........