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phoenix-firestorm/indra/newview/llworld.cpp

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/**
* @file llworld.cpp
* @brief Initial test structure to organize viewer regions
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llworld.h"
#include "llrender.h"
#include "indra_constants.h"
#include "llstl.h"
#include "llagent.h"
#include "llviewercontrol.h"
#include "lldrawpool.h"
#include "llglheaders.h"
#include "llhttpnode.h"
#include "llregionhandle.h"
#include "llsurface.h"
#include "lltrans.h"
#include "llviewercamera.h"
#include "llviewertexture.h"
#include "llviewertexturelist.h"
#include "llviewernetwork.h"
#include "llviewerobjectlist.h"
#include "llviewerparceloverlay.h"
#include "llviewerregion.h"
#include "llviewerstats.h"
#include "llvlcomposition.h"
#include "llvoavatar.h"
#include "llvocache.h"
#include "llvowater.h"
#include "message.h"
#include "pipeline.h"
#include "llappviewer.h" // for do_disconnect()
#include <deque>
#include <queue>
#include <map>
#include <cstring>
//
// Globals
//
U32 gAgentPauseSerialNum = 0;
//
// Constants
//
const S32 MAX_NUMBER_OF_CLOUDS = 750;
const S32 WORLD_PATCH_SIZE = 16;
extern LLColor4U MAX_WATER_COLOR;
const U32 LLWorld::mWidth = 256;
// meters/point, therefore mWidth * mScale = meters per edge
const F32 LLWorld::mScale = 1.f;
const F32 LLWorld::mWidthInMeters = mWidth * mScale;
//
// Functions
//
// allocate the stack
LLWorld::LLWorld() :
mLandFarClip(DEFAULT_FAR_PLANE),
mLastPacketsIn(0),
mLastPacketsOut(0),
mLastPacketsLost(0),
mSpaceTimeUSec(0)
{
for (S32 i = 0; i < 8; i++)
{
mEdgeWaterObjects[i] = NULL;
}
LLPointer<LLImageRaw> raw = new LLImageRaw(1,1,4);
U8 *default_texture = raw->getData();
*(default_texture++) = MAX_WATER_COLOR.mV[0];
*(default_texture++) = MAX_WATER_COLOR.mV[1];
*(default_texture++) = MAX_WATER_COLOR.mV[2];
*(default_texture++) = MAX_WATER_COLOR.mV[3];
mDefaultWaterTexturep = LLViewerTextureManager::getLocalTexture(raw.get(), FALSE);
gGL.getTexUnit(0)->bind(mDefaultWaterTexturep);
mDefaultWaterTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);
}
void LLWorld::destroyClass()
{
mHoleWaterObjects.clear();
gObjectList.destroy();
for(region_list_t::iterator region_it = mRegionList.begin(); region_it != mRegionList.end(); )
{
LLViewerRegion* region_to_delete = *region_it++;
removeRegion(region_to_delete->getHost());
}
if(LLVOCache::hasInstance())
{
LLVOCache::getInstance()->destroyClass() ;
}
LLViewerPartSim::getInstance()->destroyClass();
mDefaultWaterTexturep = NULL ;
for (S32 i = 0; i < 8; i++)
{
mEdgeWaterObjects[i] = NULL;
}
}
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);
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;
}
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;
}
void LLWorld::removeRegion(const LLHost &host)
{
F32 x, y;
LLViewerRegion *regionp = getRegion(host);
if (!regionp)
{
llwarns << "Trying to remove region that doesn't exist!" << llendl;
return;
}
if (regionp == gAgent.getRegion())
{
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* reg = *iter;
llwarns << "RegionDump: " << reg->getName()
<< " " << reg->getHost()
<< " " << reg->getOriginGlobal()
<< llendl;
}
llwarns << "Agent position global " << gAgent.getPositionGlobal()
<< " agent " << gAgent.getPositionAgent()
<< llendl;
llwarns << "Regions visited " << gAgent.getRegionsVisited() << llendl;
llwarns << "gFrameTimeSeconds " << gFrameTimeSeconds << llendl;
llwarns << "Disabling region " << regionp->getName() << " that agent is in!" << llendl;
LLAppViewer::instance()->forceDisconnect(LLTrans::getString("YouHaveBeenDisconnected"));
regionp->saveObjectCache() ; //force to save objects here in case that the object cache is about to be destroyed.
return;
}
from_region_handle(regionp->getHandle(), &x, &y);
llinfos << "Removing region " << x << ":" << y << llendl;
mRegionList.remove(regionp);
mActiveRegionList.remove(regionp);
mCulledRegionList.remove(regionp);
mVisibleRegionList.remove(regionp);
delete regionp;
updateWaterObjects();
//double check all objects of this region are removed.
gObjectList.clearAllMapObjectsInRegion(regionp) ;
//llassert_always(!gObjectList.hasMapObjectInRegion(regionp)) ;
}
LLViewerRegion* LLWorld::getRegion(const LLHost &host)
{
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
if (regionp->getHost() == host)
{
return regionp;
}
}
return NULL;
}
LLViewerRegion* LLWorld::getRegionFromPosAgent(const LLVector3 &pos)
{
return getRegionFromPosGlobal(gAgent.getPosGlobalFromAgent(pos));
}
LLViewerRegion* LLWorld::getRegionFromPosGlobal(const LLVector3d &pos)
{
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
if (regionp->pointInRegionGlobal(pos))
{
return regionp;
}
}
return NULL;
}
LLVector3d LLWorld::clipToVisibleRegions(const LLVector3d &start_pos, const LLVector3d &end_pos)
{
if (positionRegionValidGlobal(end_pos))
{
return end_pos;
}
LLViewerRegion* regionp = getRegionFromPosGlobal(start_pos);
if (!regionp)
{
return start_pos;
}
LLVector3d delta_pos = end_pos - start_pos;
LLVector3d delta_pos_abs;
delta_pos_abs.setVec(delta_pos);
delta_pos_abs.abs();
LLVector3 region_coord = regionp->getPosRegionFromGlobal(end_pos);
F64 clip_factor = 1.0;
F32 region_width = regionp->getWidth();
if (region_coord.mV[VX] < 0.f)
{
if (region_coord.mV[VY] < region_coord.mV[VX])
{
// clip along y -
clip_factor = -(region_coord.mV[VY] / delta_pos_abs.mdV[VY]);
}
else
{
// clip along x -
clip_factor = -(region_coord.mV[VX] / delta_pos_abs.mdV[VX]);
}
}
else if (region_coord.mV[VX] > region_width)
{
if (region_coord.mV[VY] > region_coord.mV[VX])
{
// clip along y +
clip_factor = (region_coord.mV[VY] - region_width) / delta_pos_abs.mdV[VY];
}
else
{
//clip along x +
clip_factor = (region_coord.mV[VX] - region_width) / delta_pos_abs.mdV[VX];
}
}
else if (region_coord.mV[VY] < 0.f)
{
// clip along y -
clip_factor = -(region_coord.mV[VY] / delta_pos_abs.mdV[VY]);
}
else if (region_coord.mV[VY] > region_width)
{
// clip along y +
clip_factor = (region_coord.mV[VY] - region_width) / delta_pos_abs.mdV[VY];
}
// clamp to within region dimensions
LLVector3d final_region_pos = LLVector3d(region_coord) - (delta_pos * clip_factor);
final_region_pos.mdV[VX] = llclamp(final_region_pos.mdV[VX], 0.0,
(F64)(region_width - F_ALMOST_ZERO));
final_region_pos.mdV[VY] = llclamp(final_region_pos.mdV[VY], 0.0,
(F64)(region_width - F_ALMOST_ZERO));
final_region_pos.mdV[VZ] = llclamp(final_region_pos.mdV[VZ], 0.0,
(F64)(LLWorld::getInstance()->getRegionMaxHeight() - F_ALMOST_ZERO));
return regionp->getPosGlobalFromRegion(LLVector3(final_region_pos));
}
LLViewerRegion* LLWorld::getRegionFromHandle(const U64 &handle)
{
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
if (regionp->getHandle() == handle)
{
return regionp;
}
}
return NULL;
}
void LLWorld::updateAgentOffset(const LLVector3d &offset_global)
{
#if 0
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
regionp->setAgentOffset(offset_global);
}
#endif
}
BOOL LLWorld::positionRegionValidGlobal(const LLVector3d &pos_global)
{
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
if (regionp->pointInRegionGlobal(pos_global))
{
return TRUE;
}
}
return FALSE;
}
// Allow objects to go up to their radius underground.
F32 LLWorld::getMinAllowedZ(LLViewerObject* object, const LLVector3d &global_pos)
{
F32 land_height = resolveLandHeightGlobal(global_pos);
F32 radius = 0.5f * object->getScale().length();
return land_height - radius;
}
LLViewerRegion* LLWorld::resolveRegionGlobal(LLVector3 &pos_region, const LLVector3d &pos_global)
{
LLViewerRegion *regionp = getRegionFromPosGlobal(pos_global);
if (regionp)
{
pos_region = regionp->getPosRegionFromGlobal(pos_global);
return regionp;
}
return NULL;
}
LLViewerRegion* LLWorld::resolveRegionAgent(LLVector3 &pos_region, const LLVector3 &pos_agent)
{
LLVector3d pos_global = gAgent.getPosGlobalFromAgent(pos_agent);
LLViewerRegion *regionp = getRegionFromPosGlobal(pos_global);
if (regionp)
{
pos_region = regionp->getPosRegionFromGlobal(pos_global);
return regionp;
}
return NULL;
}
F32 LLWorld::resolveLandHeightAgent(const LLVector3 &pos_agent)
{
LLVector3d pos_global = gAgent.getPosGlobalFromAgent(pos_agent);
return resolveLandHeightGlobal(pos_global);
}
F32 LLWorld::resolveLandHeightGlobal(const LLVector3d &pos_global)
{
LLViewerRegion *regionp = getRegionFromPosGlobal(pos_global);
if (regionp)
{
return regionp->getLand().resolveHeightGlobal(pos_global);
}
return 0.0f;
}
// Takes a line defined by "point_a" and "point_b" and determines the closest (to point_a)
// point where the the line intersects an object or the land surface. Stores the results
// in "intersection" and "intersection_normal" and returns a scalar value that represents
// the normalized distance along the line from "point_a" to "intersection".
//
// Currently assumes point_a and point_b only differ in z-direction,
// but it may eventually become more general.
F32 LLWorld::resolveStepHeightGlobal(const LLVOAvatar* avatarp, const LLVector3d &point_a, const LLVector3d &point_b,
LLVector3d &intersection, LLVector3 &intersection_normal,
LLViewerObject **viewerObjectPtr)
{
// initialize return value to null
if (viewerObjectPtr)
{
*viewerObjectPtr = NULL;
}
LLViewerRegion *regionp = getRegionFromPosGlobal(point_a);
if (!regionp)
{
// We're outside the world
intersection = 0.5f * (point_a + point_b);
intersection_normal.setVec(0.0f, 0.0f, 1.0f);
return 0.5f;
}
// calculate the length of the segment
F32 segment_length = (F32)((point_a - point_b).length());
if (0.0f == segment_length)
{
intersection = point_a;
intersection_normal.setVec(0.0f, 0.0f, 1.0f);
return segment_length;
}
// get land height
// Note: we assume that the line is parallel to z-axis here
LLVector3d land_intersection = point_a;
F32 normalized_land_distance;
land_intersection.mdV[VZ] = regionp->getLand().resolveHeightGlobal(point_a);
normalized_land_distance = (F32)(point_a.mdV[VZ] - land_intersection.mdV[VZ]) / segment_length;
intersection = land_intersection;
intersection_normal = resolveLandNormalGlobal(land_intersection);
if (avatarp && !avatarp->mFootPlane.isExactlyClear())
{
LLVector3 foot_plane_normal(avatarp->mFootPlane.mV);
LLVector3 start_pt = avatarp->getRegion()->getPosRegionFromGlobal(point_a);
// added 0.05 meters to compensate for error in foot plane reported by Havok
F32 norm_dist_from_plane = ((start_pt * foot_plane_normal) - avatarp->mFootPlane.mV[VW]) + 0.05f;
norm_dist_from_plane = llclamp(norm_dist_from_plane / segment_length, 0.f, 1.f);
if (norm_dist_from_plane < normalized_land_distance)
{
// collided with object before land
normalized_land_distance = norm_dist_from_plane;
intersection = point_a;
intersection.mdV[VZ] -= norm_dist_from_plane * segment_length;
intersection_normal = foot_plane_normal;
}
else
{
intersection = land_intersection;
intersection_normal = resolveLandNormalGlobal(land_intersection);
}
}
return normalized_land_distance;
}
LLSurfacePatch * LLWorld::resolveLandPatchGlobal(const LLVector3d &pos_global)
{
// returns a pointer to the patch at this location
LLViewerRegion *regionp = getRegionFromPosGlobal(pos_global);
if (!regionp)
{
return NULL;
}
return regionp->getLand().resolvePatchGlobal(pos_global);
}
LLVector3 LLWorld::resolveLandNormalGlobal(const LLVector3d &pos_global)
{
LLViewerRegion *regionp = getRegionFromPosGlobal(pos_global);
if (!regionp)
{
return LLVector3::z_axis;
}
return regionp->getLand().resolveNormalGlobal(pos_global);
}
void LLWorld::updateVisibilities()
{
F32 cur_far_clip = LLViewerCamera::getInstance()->getFar();
// Go through the culled list and check for visible regions (region is visible if land is visible)
for (region_list_t::iterator iter = mCulledRegionList.begin();
iter != mCulledRegionList.end(); )
{
region_list_t::iterator curiter = iter++;
LLViewerRegion* regionp = *curiter;
LLSpatialPartition* part = regionp->getSpatialPartition(LLViewerRegion::PARTITION_TERRAIN);
if (part)
{
LLSpatialGroup* group = (LLSpatialGroup*) part->mOctree->getListener(0);
if (LLViewerCamera::getInstance()->AABBInFrustum(group->mBounds[0], group->mBounds[1]))
{
mCulledRegionList.erase(curiter);
mVisibleRegionList.push_back(regionp);
}
}
}
// Update all of the visible regions
for (region_list_t::iterator iter = mVisibleRegionList.begin();
iter != mVisibleRegionList.end(); )
{
region_list_t::iterator curiter = iter++;
LLViewerRegion* regionp = *curiter;
if (!regionp->getLand().hasZData())
{
continue;
}
LLSpatialPartition* part = regionp->getSpatialPartition(LLViewerRegion::PARTITION_TERRAIN);
if (part)
{
LLSpatialGroup* group = (LLSpatialGroup*) part->mOctree->getListener(0);
if (LLViewerCamera::getInstance()->AABBInFrustum(group->mBounds[0], group->mBounds[1]))
{
regionp->calculateCameraDistance();
regionp->getLand().updatePatchVisibilities(gAgent);
}
else
{
mVisibleRegionList.erase(curiter);
mCulledRegionList.push_back(regionp);
}
}
}
// Sort visible regions
mVisibleRegionList.sort(LLViewerRegion::CompareDistance());
LLViewerCamera::getInstance()->setFar(cur_far_clip);
}
void LLWorld::updateRegions(F32 max_update_time)
{
LLTimer update_timer;
BOOL did_one = FALSE;
// Perform idle time updates for the regions (and associated surfaces)
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
F32 max_time = max_update_time - update_timer.getElapsedTimeF32();
if (did_one && max_time <= 0.f)
break;
max_time = llmin(max_time, max_update_time*.1f);
if (regionp->idleUpdate(max_update_time))
{
did_one = TRUE;
}
}
}
void LLWorld::updateParticles()
{
LLViewerPartSim::getInstance()->updateSimulation();
}
void LLWorld::renderPropertyLines()
{
S32 region_count = 0;
S32 vertex_count = 0;
for (region_list_t::iterator iter = mVisibleRegionList.begin();
iter != mVisibleRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
region_count++;
vertex_count += regionp->renderPropertyLines();
}
}
void LLWorld::updateNetStats()
{
F32 bits = 0.f;
U32 packets = 0;
for (region_list_t::iterator iter = mActiveRegionList.begin();
iter != mActiveRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
regionp->updateNetStats();
bits += regionp->mBitsReceived;
packets += llfloor( regionp->mPacketsReceived );
regionp->mBitsReceived = 0.f;
regionp->mPacketsReceived = 0.f;
}
S32 packets_in = gMessageSystem->mPacketsIn - mLastPacketsIn;
S32 packets_out = gMessageSystem->mPacketsOut - mLastPacketsOut;
S32 packets_lost = gMessageSystem->mDroppedPackets - mLastPacketsLost;
S32 actual_in_bits = gMessageSystem->mPacketRing.getAndResetActualInBits();
S32 actual_out_bits = gMessageSystem->mPacketRing.getAndResetActualOutBits();
LLStatViewer::ACTUAL_IN_KBIT.add<LLTrace::Bits>(actual_in_bits);
LLStatViewer::ACTUAL_OUT_KBIT.add<LLTrace::Bits>(actual_out_bits);
LLStatViewer::KBIT.add<LLTrace::Bits>(bits);
LLStatViewer::PACKETS_IN.add(packets_in);
LLStatViewer::PACKETS_OUT.add(packets_out);
LLStatViewer::PACKETS_LOST.add(packets_lost);
if (packets_in)
{
LLStatViewer::PACKETS_LOST_PERCENT.sample(100.f*((F32)packets_lost/(F32)packets_in));
}
mLastPacketsIn = gMessageSystem->mPacketsIn;
mLastPacketsOut = gMessageSystem->mPacketsOut;
mLastPacketsLost = gMessageSystem->mDroppedPackets;
}
void LLWorld::printPacketsLost()
{
llinfos << "Simulators:" << llendl;
llinfos << "----------" << llendl;
LLCircuitData *cdp = NULL;
for (region_list_t::iterator iter = mActiveRegionList.begin();
iter != mActiveRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
cdp = gMessageSystem->mCircuitInfo.findCircuit(regionp->getHost());
if (cdp)
{
LLVector3d range = regionp->getCenterGlobal() - gAgent.getPositionGlobal();
llinfos << regionp->getHost() << ", range: " << range.length()
<< " packets lost: " << cdp->getPacketsLost() << llendl;
}
}
}
void LLWorld::processCoarseUpdate(LLMessageSystem* msg, void** user_data)
{
LLViewerRegion* region = LLWorld::getInstance()->getRegion(msg->getSender());
if( region )
{
region->updateCoarseLocations(msg);
}
}
F32 LLWorld::getLandFarClip() const
{
return mLandFarClip;
}
void LLWorld::setLandFarClip(const F32 far_clip)
{
static S32 const rwidth = (S32)REGION_WIDTH_U32;
S32 const n1 = (llceil(mLandFarClip) - 1) / rwidth;
S32 const n2 = (llceil(far_clip) - 1) / rwidth;
bool need_water_objects_update = n1 != n2;
mLandFarClip = far_clip;
if (need_water_objects_update)
{
updateWaterObjects();
}
}
// Some region that we're connected to, but not the one we're in, gave us
// a (possibly) new water height. Update it in our local copy.
void LLWorld::waterHeightRegionInfo(std::string const& sim_name, F32 water_height)
{
for (region_list_t::iterator iter = mRegionList.begin(); iter != mRegionList.end(); ++iter)
{
if ((*iter)->getName() == sim_name)
{
(*iter)->setWaterHeight(water_height);
break;
}
}
}
void LLWorld::updateWaterObjects()
{
if (!gAgent.getRegion())
{
return;
}
if (mRegionList.empty())
{
llwarns << "No regions!" << llendl;
return;
}
// First, determine the min and max "box" of water objects
S32 min_x = 0;
S32 min_y = 0;
S32 max_x = 0;
S32 max_y = 0;
U32 region_x, region_y;
S32 rwidth = 256;
// We only want to fill in water for stuff that's near us, say, within 256 or 512m
S32 range = LLViewerCamera::getInstance()->getFar() > 256.f ? 512 : 256;
LLViewerRegion* regionp = gAgent.getRegion();
from_region_handle(regionp->getHandle(), &region_x, &region_y);
min_x = (S32)region_x - range;
min_y = (S32)region_y - range;
max_x = (S32)region_x + range;
max_y = (S32)region_y + range;
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
LLVOWater* waterp = regionp->getLand().getWaterObj();
if (waterp)
{
gObjectList.updateActive(waterp);
}
}
for (std::list<LLVOWater*>::iterator iter = mHoleWaterObjects.begin();
iter != mHoleWaterObjects.end(); ++ iter)
{
LLVOWater* waterp = *iter;
gObjectList.killObject(waterp);
}
mHoleWaterObjects.clear();
// Use the water height of the region we're on for areas where there is no region
F32 water_height = gAgent.getRegion()->getWaterHeight();
// Now, get a list of the holes
S32 x, y;
for (x = min_x; x <= max_x; x += rwidth)
{
for (y = min_y; y <= max_y; y += rwidth)
{
U64 region_handle = to_region_handle(x, y);
if (!getRegionFromHandle(region_handle))
{ // No region at that area, so make water
LLVOWater* waterp = (LLVOWater *)gObjectList.createObjectViewer(LLViewerObject::LL_VO_WATER, gAgent.getRegion());
waterp->setUseTexture(FALSE);
waterp->setPositionGlobal(LLVector3d(x + rwidth/2,
y + rwidth/2,
256.f + water_height));
waterp->setScale(LLVector3((F32)rwidth, (F32)rwidth, 512.f));
gPipeline.createObject(waterp);
mHoleWaterObjects.push_back(waterp);
}
}
}
// Update edge water objects
S32 wx, wy;
S32 center_x, center_y;
wx = (max_x - min_x) + rwidth;
wy = (max_y - min_y) + rwidth;
center_x = min_x + (wx >> 1);
center_y = min_y + (wy >> 1);
S32 add_boundary[4] = {
512 - (max_x - region_x),
512 - (max_y - region_y),
512 - (region_x - min_x),
512 - (region_y - min_y) };
S32 dir;
for (dir = 0; dir < 8; dir++)
{
S32 dim[2] = { 0 };
switch (gDirAxes[dir][0])
{
case -1: dim[0] = add_boundary[2]; break;
case 0: dim[0] = wx; break;
default: dim[0] = add_boundary[0]; break;
}
switch (gDirAxes[dir][1])
{
case -1: dim[1] = add_boundary[3]; break;
case 0: dim[1] = wy; break;
default: dim[1] = add_boundary[1]; break;
}
// Resize and reshape the water objects
const S32 water_center_x = center_x + llround((wx + dim[0]) * 0.5f * gDirAxes[dir][0]);
const S32 water_center_y = center_y + llround((wy + dim[1]) * 0.5f * gDirAxes[dir][1]);
LLVOWater* waterp = mEdgeWaterObjects[dir];
if (!waterp || waterp->isDead())
{
// The edge water objects can be dead because they're attached to the region that the
// agent was in when they were originally created.
mEdgeWaterObjects[dir] = (LLVOWater *)gObjectList.createObjectViewer(LLViewerObject::LL_VO_VOID_WATER,
gAgent.getRegion());
waterp = mEdgeWaterObjects[dir];
waterp->setUseTexture(FALSE);
waterp->setIsEdgePatch(TRUE);
gPipeline.createObject(waterp);
}
waterp->setRegion(gAgent.getRegion());
LLVector3d water_pos(water_center_x, water_center_y, 256.f + water_height) ;
LLVector3 water_scale((F32) dim[0], (F32) dim[1], 512.f);
//stretch out to horizon
water_scale.mV[0] += fabsf(2048.f * gDirAxes[dir][0]);
water_scale.mV[1] += fabsf(2048.f * gDirAxes[dir][1]);
water_pos.mdV[0] += 1024.f * gDirAxes[dir][0];
water_pos.mdV[1] += 1024.f * gDirAxes[dir][1];
waterp->setPositionGlobal(water_pos);
waterp->setScale(water_scale);
gObjectList.updateActive(waterp);
}
}
void LLWorld::shiftRegions(const LLVector3& offset)
{
for (region_list_t::const_iterator i = getRegionList().begin(); i != getRegionList().end(); ++i)
{
LLViewerRegion* region = *i;
region->updateRenderMatrix();
}
LLViewerPartSim::getInstance()->shift(offset);
}
LLViewerTexture* LLWorld::getDefaultWaterTexture()
{
return mDefaultWaterTexturep;
}
void LLWorld::setSpaceTimeUSec(const U64 space_time_usec)
{
mSpaceTimeUSec = space_time_usec;
}
U64 LLWorld::getSpaceTimeUSec() const
{
return mSpaceTimeUSec;
}
void LLWorld::requestCacheMisses()
{
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
regionp->requestCacheMisses();
}
}
void LLWorld::getInfo(LLSD& info)
{
LLSD region_info;
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
regionp->getInfo(region_info);
info["World"].append(region_info);
}
}
void LLWorld::disconnectRegions()
{
LLMessageSystem* msg = gMessageSystem;
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
if (regionp == gAgent.getRegion())
{
// Skip the main agent
continue;
}
llinfos << "Sending AgentQuitCopy to: " << regionp->getHost() << llendl;
msg->newMessageFast(_PREHASH_AgentQuitCopy);
msg->nextBlockFast(_PREHASH_AgentData);
msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
msg->nextBlockFast(_PREHASH_FuseBlock);
msg->addU32Fast(_PREHASH_ViewerCircuitCode, gMessageSystem->mOurCircuitCode);
msg->sendMessage(regionp->getHost());
}
}
static LLFastTimer::DeclareTimer FTM_ENABLE_SIMULATOR("Enable Sim");
void process_enable_simulator(LLMessageSystem *msg, void **user_data)
{
LLFastTimer t(FTM_ENABLE_SIMULATOR);
// enable the appropriate circuit for this simulator and
// add its values into the gSimulator structure
U64 handle;
U32 ip_u32;
U16 port;
msg->getU64Fast(_PREHASH_SimulatorInfo, _PREHASH_Handle, handle);
msg->getIPAddrFast(_PREHASH_SimulatorInfo, _PREHASH_IP, ip_u32);
msg->getIPPortFast(_PREHASH_SimulatorInfo, _PREHASH_Port, port);
// which simulator should we modify?
LLHost sim(ip_u32, port);
// Viewer trusts the simulator.
msg->enableCircuit(sim, TRUE);
LLWorld::getInstance()->addRegion(handle, sim);
// give the simulator a message it can use to get ip and port
llinfos << "simulator_enable() Enabling " << sim << " with code " << msg->getOurCircuitCode() << llendl;
msg->newMessageFast(_PREHASH_UseCircuitCode);
msg->nextBlockFast(_PREHASH_CircuitCode);
msg->addU32Fast(_PREHASH_Code, msg->getOurCircuitCode());
msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
msg->addUUIDFast(_PREHASH_ID, gAgent.getID());
msg->sendReliable(sim);
}
class LLEstablishAgentCommunication : public LLHTTPNode
{
LOG_CLASS(LLEstablishAgentCommunication);
public:
virtual void describe(Description& desc) const
{
desc.shortInfo("seed capability info for a region");
desc.postAPI();
desc.input(
"{ seed-capability: ..., sim-ip: ..., sim-port }");
desc.source(__FILE__, __LINE__);
}
virtual void post(ResponsePtr response, const LLSD& context, const LLSD& input) const
{
if (!input["body"].has("agent-id") ||
!input["body"].has("sim-ip-and-port") ||
!input["body"].has("seed-capability"))
{
llwarns << "invalid parameters" << llendl;
return;
}
LLHost sim(input["body"]["sim-ip-and-port"].asString());
LLViewerRegion* regionp = LLWorld::getInstance()->getRegion(sim);
if (!regionp)
{
llwarns << "Got EstablishAgentCommunication for unknown region "
<< sim << llendl;
return;
}
regionp->setSeedCapability(input["body"]["seed-capability"]);
}
};
// disable the circuit to this simulator
// Called in response to "DisableSimulator" message.
void process_disable_simulator(LLMessageSystem *mesgsys, void **user_data)
{
LLHost host = mesgsys->getSender();
//llinfos << "Disabling simulator with message from " << host << llendl;
LLWorld::getInstance()->removeRegion(host);
mesgsys->disableCircuit(host);
}
void process_region_handshake(LLMessageSystem* msg, void** user_data)
{
LLHost host = msg->getSender();
LLViewerRegion* regionp = LLWorld::getInstance()->getRegion(host);
if (!regionp)
{
llwarns << "Got region handshake for unknown region "
<< host << llendl;
return;
}
regionp->unpackRegionHandshake();
}
void send_agent_pause()
{
// *NOTE:Mani Pausing the mainloop timeout. Otherwise a long modal event may cause
// the thread monitor to timeout.
LLAppViewer::instance()->pauseMainloopTimeout();
// Note: used to check for LLWorld initialization before it became a singleton.
// Rather than just remove this check I'm changing it to assure that the message
// system has been initialized. -MG
if (!gMessageSystem)
{
return;
}
gMessageSystem->newMessageFast(_PREHASH_AgentPause);
gMessageSystem->nextBlockFast(_PREHASH_AgentData);
gMessageSystem->addUUIDFast(_PREHASH_AgentID, gAgentID);
gMessageSystem->addUUIDFast(_PREHASH_SessionID, gAgentSessionID);
gAgentPauseSerialNum++;
gMessageSystem->addU32Fast(_PREHASH_SerialNum, gAgentPauseSerialNum);
for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
{
LLViewerRegion* regionp = *iter;
gMessageSystem->sendReliable(regionp->getHost());
}
gObjectList.mWasPaused = TRUE;
LLViewerStats::instance().getRecording().stop();
}
void send_agent_resume()
{
// Note: used to check for LLWorld initialization before it became a singleton.
// Rather than just remove this check I'm changing it to assure that the message
// system has been initialized. -MG
if (!gMessageSystem)
{
return;
}
gMessageSystem->newMessageFast(_PREHASH_AgentResume);
gMessageSystem->nextBlockFast(_PREHASH_AgentData);
gMessageSystem->addUUIDFast(_PREHASH_AgentID, gAgentID);
gMessageSystem->addUUIDFast(_PREHASH_SessionID, gAgentSessionID);
gAgentPauseSerialNum++;
gMessageSystem->addU32Fast(_PREHASH_SerialNum, gAgentPauseSerialNum);
for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
{
LLViewerRegion* regionp = *iter;
gMessageSystem->sendReliable(regionp->getHost());
}
// Resume data collection to ignore invalid rates
LLViewerStats::instance().getRecording().resume();//getInstance()->mFPSStat.reset();
LLAppViewer::instance()->resumeMainloopTimeout();
}
static LLVector3d unpackLocalToGlobalPosition(U32 compact_local, const LLVector3d& region_origin)
{
LLVector3d pos_local;
pos_local.mdV[VZ] = (compact_local & 0xFFU) * 4;
pos_local.mdV[VY] = (compact_local >> 8) & 0xFFU;
pos_local.mdV[VX] = (compact_local >> 16) & 0xFFU;
return region_origin + pos_local;
}
void LLWorld::getAvatars(uuid_vec_t* avatar_ids, std::vector<LLVector3d>* positions, const LLVector3d& relative_to, F32 radius) const
{
F32 radius_squared = radius * radius;
if(avatar_ids != NULL)
{
avatar_ids->clear();
}
if(positions != NULL)
{
positions->clear();
}
// get the list of avatars from the character list first, so distances are correct
// when agent is above 1020m and other avatars are nearby
for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
iter != LLCharacter::sInstances.end(); ++iter)
{
LLVOAvatar* pVOAvatar = (LLVOAvatar*) *iter;
if (!pVOAvatar->isDead() && !pVOAvatar->isSelf() && !pVOAvatar->mIsDummy)
{
LLVector3d pos_global = pVOAvatar->getPositionGlobal();
LLUUID uuid = pVOAvatar->getID();
if (!uuid.isNull()
&& dist_vec_squared(pos_global, relative_to) <= radius_squared)
{
if(positions != NULL)
{
positions->push_back(pos_global);
}
if(avatar_ids !=NULL)
{
avatar_ids->push_back(uuid);
}
}
}
}
// region avatars added for situations where radius is greater than RenderFarClip
for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
{
LLViewerRegion* regionp = *iter;
const LLVector3d& origin_global = regionp->getOriginGlobal();
S32 count = regionp->mMapAvatars.count();
for (S32 i = 0; i < count; i++)
{
LLVector3d pos_global = unpackLocalToGlobalPosition(regionp->mMapAvatars.get(i), origin_global);
if(dist_vec_squared(pos_global, relative_to) <= radius_squared)
{
LLUUID uuid = regionp->mMapAvatarIDs.get(i);
// if this avatar doesn't already exist in the list, add it
if(uuid.notNull() && avatar_ids != NULL && std::find(avatar_ids->begin(), avatar_ids->end(), uuid) == avatar_ids->end())
{
if (positions != NULL)
{
positions->push_back(pos_global);
}
avatar_ids->push_back(uuid);
}
}
}
}
}
bool LLWorld::isRegionListed(const LLViewerRegion* region) const
{
region_list_t::const_iterator it = find(mRegionList.begin(), mRegionList.end(), region);
return it != mRegionList.end();
}
LLHTTPRegistration<LLEstablishAgentCommunication>
gHTTPRegistrationEstablishAgentCommunication(
"/message/EstablishAgentCommunication");
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