C++ MapBlock::refGrab方法代码示例

本文整理汇总了C++中MapBlock::refGrab方法的典型用法代码示例。如果您正苦于以下问题：C++ MapBlock::refGrab方法的具体用法？C++ MapBlock::refGrab怎么用？C++ MapBlock::refGrab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类MapBlock的用法示例。

在下文中一共展示了MapBlock::refGrab方法的3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: updateDrawList


//.........这里部分代码省略.........
					d - 0.5*BS*MAP_BLOCKSIZE > range)
				continue;*/

			blocks_in_range++;
			
			/*
				Ignore if mesh doesn't exist
			*/
			{
				//JMutexAutoLock lock(block->mesh_mutex);

				if(block->mesh == NULL){
					blocks_in_range_without_mesh++;
					continue;
				}
			}

			/*
				Occlusion culling
			*/

			// No occlusion culling when free_move is on and camera is
			// inside ground
			bool occlusion_culling_enabled = true;
			if(g_settings->getBool("free_move")){
				MapNode n = getNodeNoEx(cam_pos_nodes);
				if(n.getContent() == CONTENT_IGNORE ||
						nodemgr->get(n).solidness == 2)
					occlusion_culling_enabled = false;
			}

			v3s16 cpn = block->getPos() * MAP_BLOCKSIZE;
			cpn += v3s16(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
			float step = BS*1;
			float stepfac = 1.1;
			float startoff = BS*1;
			float endoff = -BS*MAP_BLOCKSIZE*1.42*1.42;
			v3s16 spn = cam_pos_nodes + v3s16(0,0,0);
			s16 bs2 = MAP_BLOCKSIZE/2 + 1;
			u32 needed_count = 1;
			if(
				occlusion_culling_enabled &&
				isOccluded(this, spn, cpn + v3s16(0,0,0),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr)
			)
			{
				blocks_occlusion_culled++;
				continue;
			}
			
			// This block is in range. Reset usage timer.
			block->resetUsageTimer();

			// Limit block count in case of a sudden increase
			blocks_would_have_drawn++;
			if(blocks_drawn >= m_control.wanted_max_blocks
					&& m_control.range_all == false
					&& d > m_control.wanted_min_range * BS)
				continue;

			// Add to set
			block->refGrab();
			m_drawlist[block->getPos()] = block;

			sector_blocks_drawn++;
			blocks_drawn++;

		} // foreach sectorblocks

		if(sector_blocks_drawn != 0)
			m_last_drawn_sectors.insert(sp);
	}

	m_control.blocks_would_have_drawn = blocks_would_have_drawn;
	m_control.blocks_drawn = blocks_drawn;

	g_profiler->avg("CM: blocks in range", blocks_in_range);
	g_profiler->avg("CM: blocks occlusion culled", blocks_occlusion_culled);
	if(blocks_in_range != 0)
		g_profiler->avg("CM: blocks in range without mesh (frac)",
				(float)blocks_in_range_without_mesh/blocks_in_range);
	g_profiler->avg("CM: blocks drawn", blocks_drawn);
	g_profiler->avg("CM: wanted max blocks", m_control.wanted_max_blocks);
}

开发者ID:0gb-us，项目名称:minetest，代码行数:101，代码来源:clientmap.cpp

示例2: updateDrawList


//.........这里部分代码省略.........
			occlusion_culling_enabled = false;
	}

	for (std::map<v2s16, MapSector*>::iterator si = m_sectors.begin();
			si != m_sectors.end(); ++si) {
		MapSector *sector = si->second;
		v2s16 sp = sector->getPos();

		if (m_control.range_all == false) {
			if (sp.X < p_blocks_min.X || sp.X > p_blocks_max.X ||
					sp.Y < p_blocks_min.Z || sp.Y > p_blocks_max.Z)
				continue;
		}

		MapBlockVect sectorblocks;
		sector->getBlocks(sectorblocks);

		/*
			Loop through blocks in sector
		*/

		u32 sector_blocks_drawn = 0;

		for (MapBlockVect::iterator i = sectorblocks.begin();
				i != sectorblocks.end(); ++i) {
			MapBlock *block = *i;

			/*
				Compare block position to camera position, skip
				if not seen on display
			*/

			if (block->mesh)
				block->mesh->updateCameraOffset(m_camera_offset);

			float range = 100000 * BS;
			if (!m_control.range_all)
				range = m_control.wanted_range * BS;

			float d = 0.0;
			if (!isBlockInSight(block->getPos(), camera_position,
					camera_direction, camera_fov, range, &d))
				continue;

			blocks_in_range++;

			/*
				Ignore if mesh doesn't exist
			*/
			if (!block->mesh) {
				blocks_in_range_without_mesh++;
				continue;
			}

			/*
				Occlusion culling
			*/
			if (occlusion_culling_enabled && isBlockOccluded(block, cam_pos_nodes)) {
				blocks_occlusion_culled++;
				continue;
			}

			// This block is in range. Reset usage timer.
			block->resetUsageTimer();

			// Limit block count in case of a sudden increase
			blocks_would_have_drawn++;
			if (blocks_drawn >= m_control.wanted_max_blocks &&
					!m_control.range_all &&
					d > m_control.wanted_range * BS)
				continue;

			// Add to set
			block->refGrab();
			m_drawlist[block->getPos()] = block;

			sector_blocks_drawn++;
			blocks_drawn++;
			if (d / BS > farthest_drawn)
				farthest_drawn = d / BS;

		} // foreach sectorblocks

		if (sector_blocks_drawn != 0)
			m_last_drawn_sectors.insert(sp);
	}

	m_control.blocks_would_have_drawn = blocks_would_have_drawn;
	m_control.blocks_drawn = blocks_drawn;
	m_control.farthest_drawn = farthest_drawn;

	g_profiler->avg("CM: blocks in range", blocks_in_range);
	g_profiler->avg("CM: blocks occlusion culled", blocks_occlusion_culled);
	if (blocks_in_range != 0)
		g_profiler->avg("CM: blocks in range without mesh (frac)",
				(float)blocks_in_range_without_mesh / blocks_in_range);
	g_profiler->avg("CM: blocks drawn", blocks_drawn);
	g_profiler->avg("CM: farthest drawn", farthest_drawn);
	g_profiler->avg("CM: wanted max blocks", m_control.wanted_max_blocks);
}

开发者ID:kaadmy，项目名称:minetest，代码行数:101，代码来源:clientmap.cpp

示例3: updateDrawList


//.........这里部分代码省略.........
			// inside ground
			bool occlusion_culling_enabled = true;
			if(g_settings->getBool("free_move")){
				MapNode n = getNodeNoEx(cam_pos_nodes);
				if(n.getContent() == CONTENT_IGNORE ||
						nodemgr->get(n).solidness == 2)
					occlusion_culling_enabled = false;
			}

			v3s16 cpn = block->getPos() * MAP_BLOCKSIZE;
			cpn += v3s16(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);

			float step = BS*1;
			float stepfac = 1.1;
			float startoff = BS*1;
			float endoff = -BS*MAP_BLOCKSIZE*1.42*1.42;
			v3s16 spn = cam_pos_nodes + v3s16(0,0,0);
			s16 bs2 = MAP_BLOCKSIZE/2 + 1;
			u32 needed_count = 1;
			if(
				occlusion_culling_enabled &&
				isOccluded(this, spn, cpn + v3s16(0,0,0),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr) &&
				isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
					step, stepfac, startoff, endoff, needed_count, nodemgr)
			)
			{
				blocks_occlusion_culled++;
				continue;
			}
			
			// This block is in range. Reset usage timer.
			block->resetUsageTimer();

			// Limit block count in case of a sudden increase
			blocks_would_have_drawn++;
			if(blocks_drawn >= m_control.wanted_max_blocks
					&& m_control.range_all == false
					&& d > m_control.wanted_min_range * BS)
				continue;

			if (m_control.farmesh && mesh_step != block->getMesh(mesh_step)->step) { //&& !block->mesh->transparent
				m_client->addUpdateMeshTask(block->getPos(), false, mesh_step == 1);
			}

			block->getMesh(mesh_step)->incrementUsageTimer(dtime);

			// Add to set
			block->refGrab();
			drawlist[block->getPos()] = block;

			blocks_drawn++;
			if(d/BS > farthest_drawn)
				farthest_drawn = d/BS;

		if (porting::getTimeMs() > end_ms) {
			m_drawlist_last = n;
			break;
		}
	}
	}
	if (!calls)
		m_drawlist_last = 0;

	if (m_drawlist_last)
		return;

	for (auto & ir : *m_drawlist)
		ir.second->refDrop();

	m_drawlist->clear();
	m_drawlist = m_drawlist_current ? &m_drawlist_1 : &m_drawlist_0;

	m_control.blocks_would_have_drawn = blocks_would_have_drawn;
	m_control.blocks_drawn = blocks_drawn;
	m_control.farthest_drawn = farthest_drawn;

	g_profiler->avg("CM: blocks in range", blocks_in_range);
	g_profiler->avg("CM: blocks occlusion culled", blocks_occlusion_culled);
	if(blocks_in_range != 0)
		g_profiler->avg("CM: blocks in range without mesh (frac)",
				(float)blocks_in_range_without_mesh/blocks_in_range);
	g_profiler->avg("CM: blocks drawn", blocks_drawn);
	g_profiler->avg("CM: farthest drawn", farthest_drawn);
	g_profiler->avg("CM: wanted max blocks", m_control.wanted_max_blocks);
}

开发者ID:hdastwb，项目名称:freeminer，代码行数:101，代码来源:clientmap.cpp

注：本文中的MapBlock::refGrab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。