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C++ cCaveDefPoints类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中cCaveDefPoints类的典型用法代码示例。如果您正苦于以下问题：C++ cCaveDefPoints类的具体用法？C++ cCaveDefPoints怎么用？C++ cCaveDefPoints使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了cCaveDefPoints类的7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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: AppendPrintf

AString cCaveTunnel::ExportAsSVG(int a_Color, int a_OffsetX, int a_OffsetZ) const
{
	AString SVG;
	SVG.reserve(m_Points.size() * 20 + 200);
	AppendPrintf(SVG, "<path style=\"fill:none;stroke:#%06x;stroke-width:1px;\"\nd=\"", a_Color);
	char Prefix = 'M';  // The first point needs "M" prefix, all the others need "L"
	for (cCaveDefPoints::const_iterator itr = m_Points.begin(); itr != m_Points.end(); ++itr)
	{
		AppendPrintf(SVG, "%c %d, %d ", Prefix, a_OffsetX + itr->m_BlockX, a_OffsetZ + itr->m_BlockZ);
		Prefix = 'L';
	}
	SVG.append("\"/>\n");
	return SVG;
}
开发者ID:ThuGie，项目名称:MCServer，代码行数:14，代码来源:Caves.cpp


示例2: CalcBoundingBox

void cCaveTunnel::CalcBoundingBox(void)
{
	m_MinBlockX = m_MaxBlockX = m_Points.front().m_BlockX;
	m_MinBlockY = m_MaxBlockY = m_Points.front().m_BlockY;
	m_MinBlockZ = m_MaxBlockZ = m_Points.front().m_BlockZ;
	for (cCaveDefPoints::const_iterator itr = m_Points.begin() + 1, end = m_Points.end(); itr != end; ++itr)
	{
		m_MinBlockX = std::min(m_MinBlockX, itr->m_BlockX - itr->m_Radius);
		m_MaxBlockX = std::max(m_MaxBlockX, itr->m_BlockX + itr->m_Radius);
		m_MinBlockY = std::min(m_MinBlockY, itr->m_BlockY - itr->m_Radius);
		m_MaxBlockY = std::max(m_MaxBlockY, itr->m_BlockY + itr->m_Radius);
		m_MinBlockZ = std::min(m_MinBlockZ, itr->m_BlockZ - itr->m_Radius);
		m_MaxBlockZ = std::max(m_MaxBlockZ, itr->m_BlockZ + itr->m_Radius);
	}  // for itr - m_Points[]
}
开发者ID:Hillvith，项目名称:MCServer，代码行数:15，代码来源:Caves.cpp


示例3: Randomize

void cCaveTunnel::Randomize(cNoise & a_Noise)
{
	// Repeat 4 times:
	for (int i = 0; i < 4; i++)
	{
		// For each already present point, insert a point in between it and its predecessor, shifted randomly.
		cCaveDefPoint & Point = m_Points.front();
		int PrevX = Point.m_BlockX;
		int PrevY = Point.m_BlockY;
		int PrevZ = Point.m_BlockZ;
		int PrevR = Point.m_Radius;
		cCaveDefPoints Pts;
		Pts.reserve(m_Points.size() * 2 + 1);
		Pts.push_back(Point);
		for (cCaveDefPoints::const_iterator itr = m_Points.begin() + 1, end = m_Points.end(); itr != end; ++itr)
		{
			int Random = a_Noise.IntNoise3DInt(PrevX, PrevY, PrevZ + i) / 11;
			int len = (PrevX - itr->m_BlockX) * (PrevX - itr->m_BlockX);
			len += (PrevY - itr->m_BlockY) * (PrevY - itr->m_BlockY);
			len += (PrevZ - itr->m_BlockZ) * (PrevZ - itr->m_BlockZ);
			len = 3 * static_cast<int>(sqrt(static_cast<double>(len))) / 4;
			int Rad = std::min(MAX_RADIUS, std::max(MIN_RADIUS, (PrevR + itr->m_Radius) / 2 + (Random % 3) - 1));
			Random /= 4;
			int x = (itr->m_BlockX + PrevX) / 2 + (Random % (len + 1) - len / 2);
			Random /= 256;
			int y = (itr->m_BlockY + PrevY) / 2 + (Random % (len / 2 + 1) - len / 4);
			Random /= 256;
			int z = (itr->m_BlockZ + PrevZ) / 2 + (Random % (len + 1) - len / 2);
			Pts.push_back(cCaveDefPoint(x, y, z, Rad));
			Pts.push_back(*itr);
			PrevX = itr->m_BlockX;
			PrevY = itr->m_BlockY;
			PrevZ = itr->m_BlockZ;
			PrevR = itr->m_Radius;
		}
		std::swap(Pts, m_Points);
	}
}
开发者ID:ThuGie，项目名称:MCServer，代码行数:38，代码来源:Caves.cpp


示例4: if

void cCaveTunnel::ProcessChunk(
	int a_ChunkX, int a_ChunkZ,
	cChunkDef::BlockTypes & a_BlockTypes,
	cChunkDesc::BlockNibbleBytes & a_BlockMetas,
	cChunkDef::HeightMap & a_HeightMap
)
{
	int BaseX = a_ChunkX * cChunkDef::Width;
	int BaseZ = a_ChunkZ * cChunkDef::Width;
	if (
		(BaseX > m_MaxBlockX) || (BaseX + cChunkDef::Width < m_MinBlockX) ||
		(BaseZ > m_MaxBlockZ) || (BaseZ + cChunkDef::Width < m_MinBlockZ)
	)
	{
		// Tunnel does not intersect the chunk at all, bail out
		return;
	}

	int BlockStartX = a_ChunkX * cChunkDef::Width;
	int BlockStartZ = a_ChunkZ * cChunkDef::Width;
	int BlockEndX = BlockStartX + cChunkDef::Width;
	int BlockEndZ = BlockStartZ + cChunkDef::Width;
	for (cCaveDefPoints::const_iterator itr = m_Points.begin(), end = m_Points.end(); itr != end; ++itr)
	{
		if (
			(itr->m_BlockX + itr->m_Radius < BlockStartX) ||
			(itr->m_BlockX - itr->m_Radius > BlockEndX) ||
			(itr->m_BlockZ + itr->m_Radius < BlockStartZ) ||
			(itr->m_BlockZ - itr->m_Radius > BlockEndZ)
		)
		{
			// Cannot intersect, bail out early
			continue;
		}

		// Carve out a sphere around the xyz point, m_Radius in diameter; skip 3 / 7 off the top and bottom:
		int DifX = itr->m_BlockX - BlockStartX;  // substitution for faster calc
		int DifY = itr->m_BlockY;
		int DifZ = itr->m_BlockZ - BlockStartZ;  // substitution for faster calc
		int Bottom = std::max(itr->m_BlockY - 3 * itr->m_Radius / 7, 1);
		int Top    = std::min(itr->m_BlockY + 3 * itr->m_Radius / 7, static_cast<int>(cChunkDef::Height));
		int SqRad  = itr->m_Radius * itr->m_Radius;
		for (int z = 0; z < cChunkDef::Width; z++) for (int x = 0; x < cChunkDef::Width; x++)
		{
			for (int y = Bottom; y <= Top; y++)
			{
				int SqDist = (DifX - x) * (DifX - x) + (DifY - y) * (DifY - y) + (DifZ - z) * (DifZ - z);
				if (4 * SqDist <= SqRad)
				{
					if (cBlockInfo::CanBeTerraformed(cChunkDef::GetBlock(a_BlockTypes, x, y, z)))
					{
						cChunkDef::SetBlock(a_BlockTypes, x, y, z, E_BLOCK_AIR);
					}
				}
				else if (SqDist <= SqRad * 2)
				{
					if (cChunkDef::GetBlock(a_BlockTypes, x, y, z) == E_BLOCK_SAND)
					{
						int Index = cChunkDef::MakeIndexNoCheck(x, y, z);
						if (a_BlockMetas[Index] == 1)
						{
							a_BlockMetas[Index] = 0;
							cChunkDef::SetBlock(a_BlockTypes, x, y, z, E_BLOCK_RED_SANDSTONE);
						}
						else
						{
							cChunkDef::SetBlock(a_BlockTypes, x, y, z, E_BLOCK_SANDSTONE);
						}
					}
				}
			}  // for y
		}  // for x, z
	}  // for itr - m_Points[]

	/*
	#ifdef _DEBUG
	// For debugging purposes, outline the shape of the cave using glowstone, after carving the entire cave:
	for (cCaveDefPoints::const_iterator itr = m_Points.begin(), end = m_Points.end(); itr != end; ++itr)
	{
		int DifX = itr->m_BlockX - BlockStartX;  // substitution for faster calc
		int DifZ = itr->m_BlockZ - BlockStartZ;  // substitution for faster calc
		if (
			(DifX >= 0) && (DifX < cChunkDef::Width) &&
			(itr->m_BlockY > 0) && (itr->m_BlockY < cChunkDef::Height) &&
			(DifZ >= 0) && (DifZ < cChunkDef::Width)
		)
		{
			cChunkDef::SetBlock(a_BlockTypes, DifX, itr->m_BlockY, DifZ, E_BLOCK_GLOWSTONE);
		}
	}  // for itr - m_Points[]
	#endif  // _DEBUG
	//*/
}
开发者ID:ThuGie，项目名称:MCServer，代码行数:93，代码来源:Caves.cpp


示例5: FinishLinear

void cCaveTunnel::FinishLinear(void)
{
	// For each segment, use Bresenham's 3D line algorithm to draw a "line" of defpoints
	cCaveDefPoints Pts;
	std::swap(Pts, m_Points);

	m_Points.reserve(Pts.size() * 3);
	cCaveDefPoint & PrevPoint = Pts.front();
	int PrevX = PrevPoint.m_BlockX;
	int PrevY = PrevPoint.m_BlockY;
	int PrevZ = PrevPoint.m_BlockZ;
	for (cCaveDefPoints::const_iterator itr = Pts.begin() + 1, end = Pts.end(); itr != end; ++itr)
	{
		int x1 = itr->m_BlockX;
		int y1 = itr->m_BlockY;
		int z1 = itr->m_BlockZ;
		int dx = abs(x1 - PrevX);
		int dy = abs(y1 - PrevY);
		int dz = abs(z1 - PrevZ);
		int sx = (PrevX < x1) ? 1 : -1;
		int sy = (PrevY < y1) ? 1 : -1;
		int sz = (PrevZ < z1) ? 1 : -1;
		int R = itr->m_Radius;

		if (dx >= std::max(dy, dz))  // x dominant
		{
			int yd = dy - dx / 2;
			int zd = dz - dx / 2;

			for (;;)
			{
				m_Points.push_back(cCaveDefPoint(PrevX, PrevY, PrevZ, R));

				if (PrevX == x1)
				{
					break;
				}

				if (yd >= 0)  // move along y
				{
					PrevY += sy;
					yd -= dx;
				}

				if (zd >= 0)  // move along z
				{
					PrevZ += sz;
					zd -= dx;
				}

				// move along x
				PrevX  += sx;
				yd += dy;
				zd += dz;
			}
		}
		else if (dy >= std::max(dx, dz))  // y dominant
		{
			int xd = dx - dy / 2;
			int zd = dz - dy / 2;

			for (;;)
			{
				m_Points.push_back(cCaveDefPoint(PrevX, PrevY, PrevZ, R));

				if (PrevY == y1)
				{
					break;
				}

				if (xd >= 0)  // move along x
				{
					PrevX += sx;
					xd -= dy;
				}

				if (zd >= 0)  // move along z
				{
					PrevZ += sz;
					zd -= dy;
				}

				// move along y
				PrevY += sy;
				xd += dx;
				zd += dz;
			}
		}
		else
		{
			// z dominant
			ASSERT(dz >= std::max(dx, dy));
			int xd = dx - dz / 2;
			int yd = dy - dz / 2;

			for (;;)
			{
				m_Points.push_back(cCaveDefPoint(PrevX, PrevY, PrevZ, R));

				if (PrevZ == z1)
//.........这里部分代码省略.........
开发者ID:ThuGie，项目名称:MCServer，代码行数:101，代码来源:Caves.cpp


示例6: RefineDefPoints

bool cCaveTunnel::RefineDefPoints(const cCaveDefPoints & a_Src, cCaveDefPoints & a_Dst)
{
	if (a_Src.size() < 2)
	{
		// There are no midpoints, nothing to smooth
		return true;
	}

	// Smoothing: for each line segment, add points on its 1 / 4 lengths
	bool res = false;
	size_t Num = a_Src.size() - 2;  // this many intermediary points
	a_Dst.clear();
	a_Dst.reserve(Num * 2 + 2);
	cCaveDefPoints::const_iterator itr = a_Src.begin() + 1;
	const cCaveDefPoint & Source = a_Src.front();
	a_Dst.push_back(Source);
	int PrevX = Source.m_BlockX;
	int PrevY = Source.m_BlockY;
	int PrevZ = Source.m_BlockZ;
	int PrevR = Source.m_Radius;
	for (size_t i = 0; i <= Num; ++i, ++itr)
	{
		int dx = itr->m_BlockX - PrevX;
		int dy = itr->m_BlockY - PrevY;
		int dz = itr->m_BlockZ - PrevZ;
		if (abs(dx) + abs(dz) + abs(dy) < 6)
		{
			// Too short a segment to smooth-subdivide into quarters
			PrevX = itr->m_BlockX;
			PrevY = itr->m_BlockY;
			PrevZ = itr->m_BlockZ;
			PrevR = itr->m_Radius;
			continue;
		}
		int dr = itr->m_Radius - PrevR;
		int Rad1 = std::max(PrevR + 1 * dr / 4, 1);
		int Rad2 = std::max(PrevR + 3 * dr / 4, 1);
		a_Dst.push_back(cCaveDefPoint(PrevX + 1 * dx / 4, PrevY + 1 * dy / 4, PrevZ + 1 * dz / 4, Rad1));
		a_Dst.push_back(cCaveDefPoint(PrevX + 3 * dx / 4, PrevY + 3 * dy / 4, PrevZ + 3 * dz / 4, Rad2));
		PrevX = itr->m_BlockX;
		PrevY = itr->m_BlockY;
		PrevZ = itr->m_BlockZ;
		PrevR = itr->m_Radius;
		res = true;
	}
	a_Dst.push_back(a_Src.back());
	return res && (a_Src.size() < a_Dst.size());
}
开发者ID:ThuGie，项目名称:MCServer，代码行数:48，代码来源:Caves.cpp


示例7: switch

void cCaveTunnel::ProcessChunk(
	int a_ChunkX, int a_ChunkZ, 
	cChunkDef::BlockTypes & a_BlockTypes, 
	cChunkDef::HeightMap & a_HeightMap
)
{
	int BaseX = a_ChunkX * cChunkDef::Width;
	int BaseZ = a_ChunkZ * cChunkDef::Width;
	if (
		(BaseX > m_MaxBlockX) || (BaseX + cChunkDef::Width < m_MinBlockX) ||
		(BaseX > m_MaxBlockX) || (BaseX + cChunkDef::Width < m_MinBlockX)
	)
	{
		// Tunnel does not intersect the chunk at all, bail out
		return;
	}

	int BlockStartX = a_ChunkX * cChunkDef::Width;
	int BlockStartZ = a_ChunkZ * cChunkDef::Width;
	int BlockEndX = BlockStartX + cChunkDef::Width;
	int BlockEndZ = BlockStartZ + cChunkDef::Width;
	for (cCaveDefPoints::const_iterator itr = m_Points.begin(), end = m_Points.end(); itr != end; ++itr)
	{
		if (
			(itr->m_BlockX + itr->m_Radius < BlockStartX) ||
			(itr->m_BlockX - itr->m_Radius > BlockEndX) ||
			(itr->m_BlockZ + itr->m_Radius < BlockStartZ) ||
			(itr->m_BlockZ - itr->m_Radius > BlockEndZ)
		)
		{
			// Cannot intersect, bail out early
			continue;
		}
		
		// Carve out a sphere around the xyz point, m_Radius in diameter; skip 3/7 off the top and bottom:
		int DifX = itr->m_BlockX - BlockStartX;  // substitution for faster calc
		int DifY = itr->m_BlockY;
		int DifZ = itr->m_BlockZ - BlockStartZ;  // substitution for faster calc
		int Bottom = std::max(itr->m_BlockY - 3 * itr->m_Radius / 7, 1);
		int Top    = std::min(itr->m_BlockY + 3 * itr->m_Radius / 7, (int)(cChunkDef::Height));
		int SqRad  = itr->m_Radius * itr->m_Radius;
		for (int z = 0; z < cChunkDef::Width; z++) for (int x = 0; x < cChunkDef::Width; x++) 
		{
			for (int y = Bottom; y <= Top; y++)
			{
				int SqDist = (DifX - x) * (DifX - x) + (DifY - y) * (DifY - y) + (DifZ - z) * (DifZ - z);
				if (4 * SqDist <= SqRad)
				{
					switch (cChunkDef::GetBlock(a_BlockTypes, x, y, z))
					{
						// Only carve out these specific block types
						case E_BLOCK_DIRT:
						case E_BLOCK_GRASS:
						case E_BLOCK_STONE:
						case E_BLOCK_COBBLESTONE:
						case E_BLOCK_GRAVEL:
						case E_BLOCK_SAND:
						case E_BLOCK_SANDSTONE:
						case E_BLOCK_NETHERRACK:
						case E_BLOCK_COAL_ORE:
						case E_BLOCK_IRON_ORE:
						case E_BLOCK_GOLD_ORE:
						case E_BLOCK_DIAMOND_ORE:
						case E_BLOCK_REDSTONE_ORE:
						case E_BLOCK_REDSTONE_ORE_GLOWING:
						{
							cChunkDef::SetBlock(a_BlockTypes, x, y, z, E_BLOCK_AIR);
							break;
						}
						default: break;
					}
				}
			}  // for y
		}  // for x, z
	}  // for itr - m_Points[]
	
	/*
	#ifdef _DEBUG		
	// For debugging purposes, outline the shape of the cave using glowstone, *after* carving the entire cave:
	for (cCaveDefPoints::const_iterator itr = m_Points.begin(), end = m_Points.end(); itr != end; ++itr)
	{
		int DifX = itr->m_BlockX - BlockStartX;  // substitution for faster calc
		int DifZ = itr->m_BlockZ - BlockStartZ;  // substitution for faster calc
		if (
			(DifX >= 0) && (DifX < cChunkDef::Width) &&
			(itr->m_BlockY > 0) && (itr->m_BlockY < cChunkDef::Height) &&
			(DifZ >= 0) && (DifZ < cChunkDef::Width)
		)
		{
			cChunkDef::SetBlock(a_BlockTypes, DifX, itr->m_BlockY, DifZ, E_BLOCK_GLOWSTONE);
		}
	}  // for itr - m_Points[]
	#endif  // _DEBUG
	//*/
}
开发者ID:Hillvith，项目名称:MCServer，代码行数:95，代码来源:Caves.cpp



注：本文中的cCaveDefPoints类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，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。

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