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C++ CItemBase::Can方法代码示例

本文整理汇总了C++中CItemBase::Can方法的典型用法代码示例。如果您正苦于以下问题:C++ CItemBase::Can方法的具体用法?C++ CItemBase::Can怎么用?C++ CItemBase::Can使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在CItemBase的用法示例。


在下文中一共展示了CItemBase::Can方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: CanSeeLOS_New

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.........
开发者ID:Sphereserver,项目名称:Source2,代码行数:101,代码来源:CCharLOS.cpp


注:本文中的CItemBase::Can方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。