LLViewerRegion* LLWorld::getRegionFromHandle(const U64 &handle)
{
// <FS:CR> Aurora Sim
U32 x, y;
from_region_handle(handle, &x, &y);
// </FS:CR> Aurora Sim
for (region_list_t::iterator iter = mRegionList.begin();
iter != mRegionList.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
// <FS:CR> Aurora Sim
//if (regionp->getHandle() == handle)
U32 checkRegionX, checkRegionY;
F32 checkRegionWidth = regionp->getWidth();
from_region_handle(regionp->getHandle(), &checkRegionX, &checkRegionY);
if (x >= checkRegionX && x < (checkRegionX + checkRegionWidth) &&
y >= checkRegionY && y < (checkRegionY + checkRegionWidth))
// <FS:CR> Aurora Sim
{
return regionp;
}
}
return NULL;
}
void LLNetMap::draw()
{
static LLFrameTimer map_timer;
if (mObjectImagep.isNull())
{
createObjectImage();
}
if (gSavedSettings.getS32( "MiniMapCenter") != MAP_CENTER_NONE)
{
mCurPanX = lerp(mCurPanX, mTargetPanX, LLCriticalDamp::getInterpolant(0.1f));
mCurPanY = lerp(mCurPanY, mTargetPanY, LLCriticalDamp::getInterpolant(0.1f));
}
F32 rotation = 0;
// Prepare a scissor region
{
LLGLEnable scissor(GL_SCISSOR_TEST);
{
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
LLLocalClipRect clip(getLocalRect());
gGL.matrixMode(LLRender::MM_MODELVIEW);
// Draw background rectangle
if(isBackgroundVisible())
{
LLColor4 background_color = isBackgroundOpaque() ? getBackgroundColor().mV : getTransparentColor().mV;
gGL.color4fv( background_color.mV );
gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0);
}
}
// region 0,0 is in the middle
S32 center_sw_left = getRect().getWidth() / 2 + llfloor(mCurPanX);
S32 center_sw_bottom = getRect().getHeight() / 2 + llfloor(mCurPanY);
gGL.pushMatrix();
gGL.translatef( (F32) center_sw_left, (F32) center_sw_bottom, 0.f);
static LLCachedControl<bool> rotate_map("MiniMapRotate", true);
if (rotate_map)
{
// rotate subsequent draws to agent rotation
rotation = atan2( LLViewerCamera::getInstance()->getAtAxis().mV[VX], LLViewerCamera::getInstance()->getAtAxis().mV[VY] );
gGL.rotatef( rotation * RAD_TO_DEG, 0.f, 0.f, 1.f);
}
// figure out where agent is
LLColor4 this_region_color = gColors.getColor( "NetMapThisRegion" );
LLColor4 live_region_color = gColors.getColor( "NetMapLiveRegion" );
LLColor4 dead_region_color = gColors.getColor( "NetMapDeadRegion" );
for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
{
LLViewerRegion* regionp = *iter;
S32 region_width = llround(regionp->getWidth());
// Find x and y position relative to camera's center.
LLVector3 origin_agent = regionp->getOriginAgent();
LLVector3 rel_region_pos = origin_agent - gAgentCamera.getCameraPositionAgent();
F32 relative_x = (rel_region_pos.mV[0] / region_width) * mScale;
F32 relative_y = (rel_region_pos.mV[1] / region_width) * mScale;
// background region rectangle
F32 bottom = relative_y;
F32 left = relative_x;
F32 top = bottom + mScale ;
F32 right = left + mScale ;
gGL.color4fv(regionp == gAgent.getRegion() ? this_region_color.mV : live_region_color.mV);
if (!regionp->isAlive())
{
gGL.color4fv(dead_region_color.mV);
}
// Draw using texture.
gGL.getTexUnit(0)->bind(regionp->getLand().getSTexture());
gGL.begin(LLRender::QUADS);
gGL.texCoord2f(0.f, 1.f);
gGL.vertex2f(left, top);
gGL.texCoord2f(0.f, 0.f);
gGL.vertex2f(left, bottom);
gGL.texCoord2f(1.f, 0.f);
gGL.vertex2f(right, bottom);
gGL.texCoord2f(1.f, 1.f);
gGL.vertex2f(right, top);
gGL.end();
// Draw water
gGL.setAlphaRejectSettings(LLRender::CF_GREATER, ABOVE_WATERLINE_ALPHA / 255.f);
{
if (regionp->getLand().getWaterTexture())
{
gGL.getTexUnit(0)->bind(regionp->getLand().getWaterTexture());
gGL.begin(LLRender::QUADS);
gGL.texCoord2f(0.f, 1.f);
gGL.vertex2f(left, top);
gGL.texCoord2f(0.f, 0.f);
gGL.vertex2f(left, bottom);
gGL.texCoord2f(1.f, 0.f);
gGL.vertex2f(right, bottom);
gGL.texCoord2f(1.f, 1.f);
gGL.vertex2f(right, top);
gGL.end();
}
}
gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
}
// Redraw object layer periodically
if (mUpdateNow || (map_timer.getElapsedTimeF32() > 0.5f))
{
mUpdateNow = false;
// Locate the centre of the object layer, accounting for panning
LLVector3 new_center = globalPosToView(gAgentCamera.getCameraPositionGlobal(), rotate_map);
new_center.mV[VX] -= mCurPanX;
new_center.mV[VY] -= mCurPanY;
new_center.mV[VZ] = 0.f;
mObjectImageCenterGlobal = viewPosToGlobal(llround(new_center.mV[VX]), llround(new_center.mV[VY]), rotate_map);
// Create the base texture.
U8 *default_texture = mObjectRawImagep->getData();
memset( default_texture, 0, mObjectImagep->getWidth() * mObjectImagep->getHeight() * mObjectImagep->getComponents() );
// Draw buildings
gObjectList.renderObjectsForMap(*this);
mObjectImagep->setSubImage(mObjectRawImagep, 0, 0, mObjectImagep->getWidth(), mObjectImagep->getHeight());
map_timer.reset();
}
LLVector3 map_center_agent = gAgent.getPosAgentFromGlobal(mObjectImageCenterGlobal);
map_center_agent -= gAgentCamera.getCameraPositionAgent();
map_center_agent.mV[0] *= mScale/LLWorld::getInstance()->getRegionWidthInMeters();
map_center_agent.mV[1] *= mScale/LLWorld::getInstance()->getRegionWidthInMeters();
gGL.getTexUnit(0)->bind(mObjectImagep);
F32 image_half_width = 0.5f*mObjectMapPixels;
F32 image_half_height = 0.5f*mObjectMapPixels;
gGL.begin(LLRender::QUADS);
gGL.texCoord2f(0.f, 1.f);
gGL.vertex2f(map_center_agent.mV[VX] - image_half_width, image_half_height + map_center_agent.mV[VY]);
gGL.texCoord2f(0.f, 0.f);
gGL.vertex2f(map_center_agent.mV[VX] - image_half_width, map_center_agent.mV[VY] - image_half_height);
gGL.texCoord2f(1.f, 0.f);
gGL.vertex2f(image_half_width + map_center_agent.mV[VX], map_center_agent.mV[VY] - image_half_height);
gGL.texCoord2f(1.f, 1.f);
gGL.vertex2f(image_half_width + map_center_agent.mV[VX], image_half_height + map_center_agent.mV[VY]);
gGL.end();
gGL.popMatrix();
LLVector3d pos_global;
LLVector3 pos_map;
// Mouse pointer in local coordinates
S32 local_mouse_x;
S32 local_mouse_y;
LLUI::getMousePositionLocal(this, &local_mouse_x, &local_mouse_y);
mClosestAgentToCursor.setNull();
F32 closest_dist = F32_MAX;
F32 min_pick_dist = mDotRadius * MIN_PICK_SCALE;
// Draw avatars
// LLColor4 mapcolor = gAvatarMapColor;
static const LLCachedControl<LLColor4> standard_color(gColors,"MapAvatar",LLColor4(0.f,1.f,0.f,1.f));
static const LLCachedControl<LLColor4> friend_color_stored("AscentFriendColor",LLColor4(1.f,1.f,0.f,1.f));
static const LLCachedControl<LLColor4> em_color("AscentEstateOwnerColor",LLColor4(1.f,0.6f,1.f,1.f));
static const LLCachedControl<LLColor4> linden_color("AscentLindenColor",LLColor4(0.f,0.f,1.f,1.f));
static const LLCachedControl<LLColor4> muted_color("AscentMutedColor",LLColor4(0.7f,0.7f,0.7f,1.f));
// Draw avatars
// [RLVa:KB] - Version: 1.23.4 | Alternate: Snowglobe-1.2.4 | Checked: 2009-07-08 (RLVa-1.0.0e) | Modified: RLVa-0.2.0b
LLColor4 friend_color = (!gRlvHandler.hasBehaviour(RLV_BHVR_SHOWNAMES)) ? friend_color_stored : standard_color;
// [/RLVa:KB]
std::vector<LLUUID> avatar_ids;
std::vector<LLVector3d> positions;
LLWorld::getInstance()->getAvatars(&avatar_ids, &positions);
for(U32 i=0; i<avatar_ids.size(); i++)
{
LLColor4 avColor = standard_color;
// TODO: it'd be very cool to draw these in sorted order from lowest Z to highest.
// just be careful to sort the avatar IDs along with the positions. -MG
pos_map = globalPosToView(positions[i], rotate_map);
if (positions[i].mdV[VZ] == 0.f)
{
pos_map.mV[VZ] = 16000.f;
}
std::string avName;
gCacheName->getFullName(avatar_ids[i], avName);
if(LLMuteList::getInstance()->isMuted(avatar_ids[i]))
{
avColor = muted_color;
}
LLViewerRegion* avatar_region = LLWorld::getInstance()->getRegionFromPosGlobal(positions[i]);
LLUUID estate_owner = avatar_region? avatar_region->getOwner() : LLUUID::null;
// MOYMOD Minimap custom av colors.
boost::unordered_map<const LLUUID,LLColor4>::const_iterator it = mm_MarkerColors.find(avatar_ids[i]);
if(it != mm_MarkerColors.end())
{
avColor = it->second;
}
//Lindens are always more Linden than your friend, make that take precedence
else if(LLMuteList::getInstance()->isLinden(avName))
{
avColor = linden_color;
}
//check if they are an estate owner at their current position
else if(estate_owner.notNull() && avatar_ids[i] == estate_owner)
{
avColor = em_color;
}
//without these dots, SL would suck.
else if(is_agent_friend(avatar_ids[i]))
{
avColor = friend_color;
}
LLWorldMapView::drawAvatar(
pos_map.mV[VX], pos_map.mV[VY],
avColor,
pos_map.mV[VZ],
mDotRadius);
F32 dist_to_cursor = dist_vec(LLVector2(pos_map.mV[VX], pos_map.mV[VY]), LLVector2(local_mouse_x,local_mouse_y));
if(dist_to_cursor < min_pick_dist && dist_to_cursor < closest_dist)
{
closest_dist = dist_to_cursor;
mClosestAgentToCursor = avatar_ids[i];
mClosestAgentPosition = positions[i];
}
}
// Draw dot for autopilot target
if (gAgent.getAutoPilot())
{
drawTracking(gAgent.getAutoPilotTargetGlobal(), rotate_map, gTrackColor);
}
else
{
LLTracker::ETrackingStatus tracking_status = LLTracker::getTrackingStatus();
if ( LLTracker::TRACKING_AVATAR == tracking_status )
{
drawTracking(LLAvatarTracker::instance().getGlobalPos(), rotate_map, gTrackColor);
}
else if ( LLTracker::TRACKING_LANDMARK == tracking_status
|| LLTracker::TRACKING_LOCATION == tracking_status )
{
drawTracking(LLTracker::getTrackedPositionGlobal(), rotate_map, gTrackColor);
}
}
// Draw dot for self avatar position
pos_global = gAgent.getPositionGlobal();
pos_map = globalPosToView(pos_global, rotate_map);
LLUIImagePtr you = LLWorldMapView::sAvatarYouLargeImage;
S32 dot_width = llround(mDotRadius * 2.f);
you->draw(
llround(pos_map.mV[VX] - mDotRadius),
llround(pos_map.mV[VY] - mDotRadius),
dot_width,
dot_width);
// Draw frustum
F32 meters_to_pixels = mScale/ LLWorld::getInstance()->getRegionWidthInMeters();
F32 horiz_fov = LLViewerCamera::getInstance()->getView() * LLViewerCamera::getInstance()->getAspect();
F32 far_clip_meters = LLViewerCamera::getInstance()->getFar();
F32 far_clip_pixels = far_clip_meters * meters_to_pixels;
F32 half_width_meters = far_clip_meters * tan( horiz_fov / 2 );
F32 half_width_pixels = half_width_meters * meters_to_pixels;
F32 ctr_x = (F32)center_sw_left;
F32 ctr_y = (F32)center_sw_bottom;
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
if (rotate_map)
{
gGL.color4fv(gColors.getColor("NetMapFrustum").mV);
gGL.begin( LLRender::TRIANGLES );
gGL.vertex2f( ctr_x, ctr_y );
gGL.vertex2f( ctr_x - half_width_pixels, ctr_y + far_clip_pixels );
gGL.vertex2f( ctr_x + half_width_pixels, ctr_y + far_clip_pixels );
gGL.end();
}
else
{
gGL.color4fv(gColors.getColor("NetMapFrustumRotating").mV);
// If we don't rotate the map, we have to rotate the frustum.
gGL.pushMatrix();
gGL.translatef( ctr_x, ctr_y, 0 );
gGL.rotatef( atan2( LLViewerCamera::getInstance()->getAtAxis().mV[VX], LLViewerCamera::getInstance()->getAtAxis().mV[VY] ) * RAD_TO_DEG, 0.f, 0.f, -1.f);
gGL.begin( LLRender::TRIANGLES );
gGL.vertex2f( 0, 0 );
gGL.vertex2f( -half_width_pixels, far_clip_pixels );
gGL.vertex2f( half_width_pixels, far_clip_pixels );
gGL.end();
gGL.popMatrix();
}
}
// Rotation of 0 means that North is up
setDirectionPos( getChild<LLTextBox>("e_label"), rotation);
setDirectionPos( getChild<LLTextBox>("n_label"), rotation + F_PI_BY_TWO);
setDirectionPos( getChild<LLTextBox>("w_label"), rotation + F_PI);
setDirectionPos( getChild<LLTextBox>("s_label"), rotation + F_PI + F_PI_BY_TWO);
setDirectionPos( getChild<LLTextBox>("ne_label"), rotation + F_PI_BY_TWO / 2);
setDirectionPos( getChild<LLTextBox>("nw_label"), rotation + F_PI_BY_TWO + F_PI_BY_TWO / 2);
setDirectionPos( getChild<LLTextBox>("sw_label"), rotation + F_PI + F_PI_BY_TWO / 2);
setDirectionPos( getChild<LLTextBox>("se_label"), rotation + F_PI + F_PI_BY_TWO + F_PI_BY_TWO / 2);
LLView::draw();
}
void LLToolBrushLand::modifyLandInSelectionGlobal()
{
if (LLViewerParcelMgr::getInstance()->selectionEmpty())
{
return;
}
if (LLToolMgr::getInstance()->getCurrentTool() == LLToolSelectLand::getInstance())
{
// selecting land, don't do anything
return;
}
LLVector3d min;
LLVector3d max;
LLViewerParcelMgr::getInstance()->getSelection(min, max);
S32 radioAction = gSavedSettings.getS32("RadioLandBrushAction");
mLastAffectedRegions.clear();
determineAffectedRegions(mLastAffectedRegions, LLVector3d(min.mdV[VX], min.mdV[VY], 0));
determineAffectedRegions(mLastAffectedRegions, LLVector3d(min.mdV[VX], max.mdV[VY], 0));
determineAffectedRegions(mLastAffectedRegions, LLVector3d(max.mdV[VX], min.mdV[VY], 0));
determineAffectedRegions(mLastAffectedRegions, LLVector3d(max.mdV[VX], max.mdV[VY], 0));
LLRegionPosition mid_point_region((min + max) * 0.5);
LLViewerRegion* center_region = mid_point_region.getRegion();
if (center_region)
{
LLVector3 pos_region = mid_point_region.getPositionRegion();
U32 grids = center_region->getLand().mGridsPerEdge;
S32 i = llclamp( (S32)pos_region.mV[VX], 0, (S32)grids );
S32 j = llclamp( (S32)pos_region.mV[VY], 0, (S32)grids );
mStartingZ = center_region->getLand().getZ(i+j*grids);
}
else
{
mStartingZ = 0.f;
}
// Stop if our selection include a no-terraform region
for(region_list_t::iterator iter = mLastAffectedRegions.begin();
iter != mLastAffectedRegions.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
if (!canTerraform(regionp))
{
alertNoTerraform(regionp);
return;
}
}
for(region_list_t::iterator iter = mLastAffectedRegions.begin();
iter != mLastAffectedRegions.end(); ++iter)
{
LLViewerRegion* regionp = *iter;
//BOOL is_changed = FALSE;
LLVector3 min_region = regionp->getPosRegionFromGlobal(min);
LLVector3 max_region = regionp->getPosRegionFromGlobal(max);
min_region.clamp(0.f, regionp->getWidth());
max_region.clamp(0.f, regionp->getWidth());
F32 seconds = gSavedSettings.getF32("LandBrushForce");
LLSurface &land = regionp->getLand();
char action = E_LAND_LEVEL;
switch (radioAction)
{
case 0:
// // average toward mStartingZ
action = E_LAND_LEVEL;
seconds *= 0.25f;
break;
case 1:
action = E_LAND_RAISE;
seconds *= 0.25f;
break;
case 2:
action = E_LAND_LOWER;
seconds *= 0.25f;
break;
case 3:
action = E_LAND_SMOOTH;
seconds *= 5.0f;
break;
case 4:
action = E_LAND_NOISE;
seconds *= 0.5f;
break;
case 5:
action = E_LAND_REVERT;
seconds = 0.5f;
break;
default:
//action = E_LAND_INVALID;
//seconds = 0.0f;
return;
break;
}
// Don't send a message to the region if nothing changed.
//if(!is_changed) continue;
// Now to update the patch information so it will redraw correctly.
LLSurfacePatch *patchp= land.resolvePatchRegion(min_region);
if (patchp)
{
patchp->dirtyZ();
}
// Also force the property lines to update, normals to recompute, etc.
regionp->forceUpdate();
// tell the simulator what we've done
LLMessageSystem* msg = gMessageSystem;
msg->newMessageFast(_PREHASH_ModifyLand);
msg->nextBlockFast(_PREHASH_AgentData);
msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
msg->nextBlockFast(_PREHASH_ModifyBlock);
msg->addU8Fast(_PREHASH_Action, (U8)action);
msg->addU8Fast(_PREHASH_BrushSize, getBrushIndex());
msg->addF32Fast(_PREHASH_Seconds, seconds);
msg->addF32Fast(_PREHASH_Height, mStartingZ);
BOOL parcel_selected = LLViewerParcelMgr::getInstance()->getParcelSelection()->getWholeParcelSelected();
LLParcel* selected_parcel = LLViewerParcelMgr::getInstance()->getParcelSelection()->getParcel();
if (parcel_selected && selected_parcel)
{
msg->nextBlockFast(_PREHASH_ParcelData);
msg->addS32Fast(_PREHASH_LocalID, selected_parcel->getLocalID());
msg->addF32Fast(_PREHASH_West, min_region.mV[VX] );
msg->addF32Fast(_PREHASH_South, min_region.mV[VY] );
msg->addF32Fast(_PREHASH_East, max_region.mV[VX] );
msg->addF32Fast(_PREHASH_North, max_region.mV[VY] );
}
else
{
msg->nextBlockFast(_PREHASH_ParcelData);
msg->addS32Fast(_PREHASH_LocalID, -1);
msg->addF32Fast(_PREHASH_West, min_region.mV[VX] );
msg->addF32Fast(_PREHASH_South, min_region.mV[VY] );
msg->addF32Fast(_PREHASH_East, max_region.mV[VX] );
msg->addF32Fast(_PREHASH_North, max_region.mV[VY] );
}
msg->nextBlock("ModifyBlockExtended");
msg->addF32("BrushSize", mBrushSize);
msg->sendMessage(regionp->getHost());
}
}
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));
}
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 < 256 to stay in sim
LLVector3d final_region_pos = LLVector3d(region_coord) - (delta_pos * clip_factor);
final_region_pos.clamp(0.0, 255.999);
return regionp->getPosGlobalFromRegion(LLVector3(final_region_pos));
}
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 < 256 to stay in sim
LLVector3d final_region_pos = LLVector3d(region_coord) - (delta_pos * clip_factor);
// clamp x, y to [0,256[ and z to [0,REGION_HEIGHT_METERS] (the clamp function cannot be used here)
if (final_region_pos.mdV[VX] < 0) final_region_pos.mdV[VX] = 0.0;
if (final_region_pos.mdV[VY] < 0) final_region_pos.mdV[VY] = 0.0;
if (final_region_pos.mdV[VZ] < 0) final_region_pos.mdV[VZ] = 0.0;
if (final_region_pos.mdV[VX] > 255.999) final_region_pos.mdV[VX] = 255.999;
if (final_region_pos.mdV[VY] > 255.999) final_region_pos.mdV[VY] = 255.999;
if (final_region_pos.mdV[VZ] > REGION_HEIGHT_METERS) final_region_pos.mdV[VZ] = REGION_HEIGHT_METERS;
//final_region_pos.clamp(0.0, 255.999);
return regionp->getPosGlobalFromRegion(LLVector3(final_region_pos));
}
