C++ LLViewerRegion::connectNeighbor方法代码示例

LLViewerRegion* LLWorld::addRegion(const U64 &region_handle, const LLHost &host)
{
	llinfos << "Add region with handle: " << region_handle << " on host " << host << llendl;
	LLViewerRegion *regionp = getRegionFromHandle(region_handle);
	if (regionp)
	{
		llinfos << "Region exists, removing it " << llendl;
		LLHost old_host = regionp->getHost();
		// region already exists!
		if (host == old_host && regionp->isAlive())
		{
			// This is a duplicate for the same host and it's alive, don't bother.
			return regionp;
		}

		if (host != old_host)
		{
			llwarns << "LLWorld::addRegion exists, but old host " << old_host
					<< " does not match new host " << host << llendl;
		}
		if (!regionp->isAlive())
		{
			llwarns << "LLWorld::addRegion exists, but isn't alive" << llendl;
		}

		// Kill the old host, and then we can continue on and add the new host.  We have to kill even if the host
		// matches, because all the agent state for the new camera is completely different.
		removeRegion(old_host);
	}

	U32 iindex = 0;
	U32 jindex = 0;
	from_region_handle(region_handle, &iindex, &jindex);
// <FS:CR> Aurora Sim
	//S32 x = (S32)(iindex/mWidth);
	//S32 y = (S32)(jindex/mWidth);
	S32 x = (S32)(iindex/256); //MegaRegion
	S32 y = (S32)(jindex/256); //MegaRegion
// </FS:CR> Aurora Sim
	llinfos << "Adding new region (" << x << ":" << y << ")" << llendl;
	llinfos << "Host: " << host << llendl;

	LLVector3d origin_global;

	origin_global = from_region_handle(region_handle);

	regionp = new LLViewerRegion(region_handle,
								    host,
									mWidth,
									WORLD_PATCH_SIZE,
									getRegionWidthInMeters() );
	if (!regionp)
	{
		llerrs << "Unable to create new region!" << llendl;
	}

	//Classic clouds
#if ENABLE_CLASSIC_CLOUDS
	regionp->mCloudLayer.create(regionp);
	regionp->mCloudLayer.setWidth((F32)mWidth);
	regionp->mCloudLayer.setWindPointer(&regionp->mWind);
#endif

	mRegionList.push_back(regionp);
	mActiveRegionList.push_back(regionp);
	mCulledRegionList.push_back(regionp);


	// Find all the adjacent regions, and attach them.
	// Generate handles for all of the adjacent regions, and attach them in the correct way.
	// connect the edges
	F32 adj_x = 0.f;
	F32 adj_y = 0.f;
	F32 region_x = 0.f;
	F32 region_y = 0.f;
	U64 adj_handle = 0;

	F32 width = getRegionWidthInMeters();

	LLViewerRegion *neighborp;
	from_region_handle(region_handle, &region_x, &region_y);

	// Iterate through all directions, and connect neighbors if there.
	S32 dir;
	for (dir = 0; dir < 8; dir++)
	{
		adj_x = region_x + width * gDirAxes[dir][0];
		adj_y = region_y + width * gDirAxes[dir][1];

		if (mWidth == 256 && mLength == 256)
		{
			to_region_handle(adj_x, adj_y, &adj_handle);
			neighborp = getRegionFromHandle(adj_handle);
			if (neighborp)
			{
				//llinfos << "Connecting " << region_x << ":" << region_y << " -> " << adj_x << ":" << adj_y << llendl;
				regionp->connectNeighbor(neighborp, dir);
			}
		}
		else // Unconventional region size
//.........这里部分代码省略.........

LLViewerRegion* LLWorld::addRegion(const U64 &region_handle, const LLHost &host)
{
	LLMemType mt(LLMemType::MTYPE_REGIONS);
	llinfos << "Add region with handle: " << region_handle << " on host " << host << llendl;
	LLViewerRegion *regionp = getRegionFromHandle(region_handle);
	if (regionp)
	{
		llinfos << "Region exists, removing it " << llendl;
		LLHost old_host = regionp->getHost();
		// region already exists!
		if (host == old_host && regionp->isAlive())
		{
			// This is a duplicate for the same host and it's alive, don't bother.
			return regionp;
		}

		if (host != old_host)
		{
			llwarns << "LLWorld::addRegion exists, but old host " << old_host
					<< " does not match new host " << host << llendl;
		}
		if (!regionp->isAlive())
		{
			llwarns << "LLWorld::addRegion exists, but isn't alive" << llendl;
		}

		// Kill the old host, and then we can continue on and add the new host.  We have to kill even if the host
		// matches, because all the agent state for the new camera is completely different.
		removeRegion(old_host);
	}

	U32 iindex = 0;
	U32 jindex = 0;
	from_region_handle(region_handle, &iindex, &jindex);
	S32 x = (S32)(iindex/mWidth);
	S32 y = (S32)(jindex/mWidth);
	llinfos << "Adding new region (" << x << ":" << y << ")" << llendl;
	llinfos << "Host: " << host << llendl;

	LLVector3d origin_global;

	origin_global = from_region_handle(region_handle);

	regionp = new LLViewerRegion(region_handle,
								    host,
									mWidth,
									WORLD_PATCH_SIZE,
									getRegionWidthInMeters() );
	if (!regionp)
	{
		llerrs << "Unable to create new region!" << llendl;
	}

	regionp->mCloudLayer.create(regionp);
	regionp->mCloudLayer.setWidth((F32)mWidth);
	regionp->mCloudLayer.setWindPointer(&regionp->mWind);

	mRegionList.push_back(regionp);
	mActiveRegionList.push_back(regionp);
	mCulledRegionList.push_back(regionp);


	// Find all the adjacent regions, and attach them.
	// Generate handles for all of the adjacent regions, and attach them in the correct way.
	// connect the edges
	F32 adj_x = 0.f;
	F32 adj_y = 0.f;
	F32 region_x = 0.f;
	F32 region_y = 0.f;
	U64 adj_handle = 0;

	F32 width = getRegionWidthInMeters();

	LLViewerRegion *neighborp;
	from_region_handle(region_handle, &region_x, &region_y);

	// Iterate through all directions, and connect neighbors if there.
	S32 dir;
	for (dir = 0; dir < 8; dir++)
	{
		adj_x = region_x + width * gDirAxes[dir][0];
		adj_y = region_y + width * gDirAxes[dir][1];
		to_region_handle(adj_x, adj_y, &adj_handle);

		neighborp = getRegionFromHandle(adj_handle);
		if (neighborp)
		{
			//llinfos << "Connecting " << region_x << ":" << region_y << " -> " << adj_x << ":" << adj_y << llendl;
			regionp->connectNeighbor(neighborp, dir);
		}
	}

	updateWaterObjects();

	return regionp;
}