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-rw-r--r--indra/newview/lltracker.cpp1718
1 files changed, 859 insertions, 859 deletions
diff --git a/indra/newview/lltracker.cpp b/indra/newview/lltracker.cpp
index 84069ed851..56263f1afe 100644
--- a/indra/newview/lltracker.cpp
+++ b/indra/newview/lltracker.cpp
@@ -1,859 +1,859 @@
-/**
- * @file lltracker.cpp
- * @brief Container for objects user is tracking.
- *
- * $LicenseInfo:firstyear=2003&license=viewerlgpl$
- * 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"
-
-// library includes
-#include "llcoord.h"
-#include "llfontgl.h"
-#include "llgl.h"
-#include "llrender.h"
-#include "llinventory.h"
-#include "llinventorydefines.h"
-#include "llpointer.h"
-#include "llstring.h"
-#include "lluuid.h"
-#include "v3math.h"
-#include "v3dmath.h"
-#include "v4color.h"
-
-// viewer includes
-#include "llappviewer.h"
-#include "lltracker.h"
-#include "llagent.h"
-#include "llagentcamera.h"
-#include "llcallingcard.h"
-#include "llfloaterworldmap.h"
-#include "llhudtext.h"
-#include "llhudview.h"
-#include "llinventorymodel.h"
-#include "llinventoryobserver.h"
-#include "lllandmarklist.h"
-#include "llprogressview.h"
-#include "llsky.h"
-#include "llui.h"
-#include "llviewercamera.h"
-#include "llviewerinventory.h"
-#include "llviewerwindow.h"
-#include "llworld.h"
-#include "llworldmapview.h"
-#include "llviewercontrol.h"
-
-const F32 DESTINATION_REACHED_RADIUS = 3.0f;
-const F32 DESTINATION_VISITED_RADIUS = 6.0f;
-
-// this last one is useful for when the landmark is
-// very close to agent when tracking is turned on
-const F32 DESTINATION_UNVISITED_RADIUS = 12.0f;
-
-const S32 ARROW_OFF_RADIUS_SQRD = 100;
-
-const S32 HUD_ARROW_SIZE = 32;
-
-// static
-LLTracker *LLTracker::sTrackerp = NULL;
-bool LLTracker::sCheesyBeacon = false;
-
-LLTracker::LLTracker()
-: mTrackingStatus(TRACKING_NOTHING),
- mTrackingLocationType(LOCATION_NOTHING),
- mHUDArrowCenterX(0),
- mHUDArrowCenterY(0),
- mToolTip( "" ),
- mTrackedLandmarkName(""),
- mHasReachedLandmark(false),
- mHasLandmarkPosition(false),
- mLandmarkHasBeenVisited(false),
- mTrackedLocationName( "" ),
- mIsTrackingLocation(false),
- mHasReachedLocation(false)
-{ }
-
-
-LLTracker::~LLTracker()
-{
- purgeBeaconText();
-}
-
-
-// static
-void LLTracker::stopTracking(bool clear_ui)
-{
- instance()->stopTrackingAll(clear_ui);
-}
-
-
-// static virtual
-void LLTracker::drawHUDArrow()
-{
- if (!LLWorld::instanceExists())
- {
- return;
- }
-
- static LLCachedControl<bool> render_beacon(gSavedSettings, "RenderTrackerBeacon", true);
- if (!render_beacon)
- {
- return;
- }
-
- if (gViewerWindow->getProgressView()->getVisible()) return;
-
- static LLUIColor map_track_color = LLUIColorTable::instance().getColor("MapTrackColor", LLColor4::white);
-
- /* tracking autopilot destination has been disabled
- -- 2004.01.09, Leviathan
- // Draw dot for autopilot target
- if (gAgent.getAutoPilot())
- {
- instance()->drawMarker( gAgent.getAutoPilotTargetGlobal(), map_track_color );
- return;
- }
- */
- switch (getTrackingStatus())
- {
- case TRACKING_AVATAR:
- // Tracked avatar
- if(LLAvatarTracker::instance().haveTrackingInfo())
- {
- instance()->drawMarker( LLAvatarTracker::instance().getGlobalPos(), map_track_color );
- }
- break;
-
- case TRACKING_LANDMARK:
- instance()->drawMarker( getTrackedPositionGlobal(), map_track_color );
- break;
-
- case TRACKING_LOCATION:
- // HACK -- try to keep the location just above the terrain
-#if 0
- // UNHACKED by CRO - keep location where the location is
- instance()->mTrackedPositionGlobal.mdV[VZ] =
- 0.9f * instance()->mTrackedPositionGlobal.mdV[VZ]
- + 0.1f * (LLWorld::getInstance()->resolveLandHeightGlobal(getTrackedPositionGlobal()) + 1.5f);
-#endif
- instance()->mTrackedPositionGlobal.mdV[VZ] = llclamp((F32)instance()->mTrackedPositionGlobal.mdV[VZ], LLWorld::getInstance()->resolveLandHeightGlobal(getTrackedPositionGlobal()) + 1.5f, (F32)instance()->getTrackedPositionGlobal().mdV[VZ]);
- instance()->drawMarker( getTrackedPositionGlobal(), map_track_color );
- break;
-
- default:
- break;
- }
-}
-
-
-// static
-void LLTracker::render3D()
-{
- if (!gFloaterWorldMap || !gSavedSettings.getBOOL("RenderTrackerBeacon"))
- {
- return;
- }
-
- static LLUIColor map_track_color = LLUIColorTable::instance().getColor("MapTrackColor", LLColor4::white);
- static LLUIColor map_track_color_under = LLUIColorTable::instance().getColor("MapTrackColorUnder", LLColor4::white);
-
- // Arbitary location beacon
- if( instance()->mIsTrackingLocation )
- {
- if (!instance()->mBeaconText)
- {
- instance()->mBeaconText = (LLHUDText *)LLHUDObject::addHUDObject(LLHUDObject::LL_HUD_TEXT);
- instance()->mBeaconText->setDoFade(false);
- }
-
- LLVector3d pos_global = instance()->mTrackedPositionGlobal;
- // (z-attenuation < 1) means compute "shorter" distance in z-axis,
- // so cancel tracking even if avatar is a little above or below.
- F32 dist = gFloaterWorldMap->getDistanceToDestination(pos_global, 0.5f);
- if (dist < DESTINATION_REACHED_RADIUS)
- {
- instance()->stopTrackingLocation(false,true);
- }
- else
- {
- renderBeacon( instance()->mTrackedPositionGlobal, map_track_color, map_track_color_under,
- instance()->mBeaconText, instance()->mTrackedLocationName );
- }
- }
-
- // Landmark beacon
- else if( !instance()->mTrackedLandmarkAssetID.isNull() )
- {
- if (!instance()->mBeaconText)
- {
- instance()->mBeaconText = (LLHUDText *)LLHUDObject::addHUDObject(LLHUDObject::LL_HUD_TEXT);
- instance()->mBeaconText->setDoFade(false);
- }
-
- if (instance()->mHasLandmarkPosition)
- {
- F32 dist = gFloaterWorldMap->getDistanceToDestination(instance()->mTrackedPositionGlobal, 1.0f);
-
- if ( !instance()->mLandmarkHasBeenVisited
- && dist < DESTINATION_VISITED_RADIUS )
- {
- // its close enough ==> flag as visited
- instance()->setLandmarkVisited();
- }
-
- if ( !instance()->mHasReachedLandmark
- && dist < DESTINATION_REACHED_RADIUS )
- {
- // its VERY CLOSE ==> automatically stop tracking
- instance()->stopTrackingLandmark();
- }
- else
- {
- if ( instance()->mHasReachedLandmark
- && dist > DESTINATION_UNVISITED_RADIUS )
- {
- // this is so that landmark beacons don't immediately
- // disappear when they're created only a few meters
- // away, yet disappear when the agent wanders away
- // and back again
- instance()->mHasReachedLandmark = false;
- }
- renderBeacon( instance()->mTrackedPositionGlobal, map_track_color, map_track_color_under,
- instance()->mBeaconText, instance()->mTrackedLandmarkName );
- }
- }
- else
- {
- // probably just finished downloading the asset
- instance()->cacheLandmarkPosition();
- }
- }
- else
- {
- // Avatar beacon
- LLAvatarTracker& av_tracker = LLAvatarTracker::instance();
- if(av_tracker.haveTrackingInfo())
- {
- if (!instance()->mBeaconText)
- {
- instance()->mBeaconText = (LLHUDText *)LLHUDObject::addHUDObject(LLHUDObject::LL_HUD_TEXT);
- instance()->mBeaconText->setDoFade(false);
- }
-
- F32 dist = gFloaterWorldMap->getDistanceToDestination(instance()->getTrackedPositionGlobal(), 0.0f);
- if (dist < DESTINATION_REACHED_RADIUS)
- {
- instance()->stopTrackingAvatar();
- }
- else
- {
- renderBeacon( av_tracker.getGlobalPos(), map_track_color, map_track_color_under,
- instance()->mBeaconText, av_tracker.getName() );
- }
- }
- else
- {
- bool stop_tracking = false;
- const LLUUID& avatar_id = av_tracker.getAvatarID();
- if(avatar_id.isNull())
- {
- stop_tracking = true;
- }
- else
- {
- const LLRelationship* buddy = av_tracker.getBuddyInfo(avatar_id);
- if(buddy && !buddy->isOnline() && !gAgent.isGodlike())
- {
- stop_tracking = true;
- }
- if(!buddy && !gAgent.isGodlike())
- {
- stop_tracking = true;
- }
- }
- if(stop_tracking)
- {
- instance()->stopTrackingAvatar();
- }
- }
- }
-}
-
-
-// static
-void LLTracker::trackAvatar( const LLUUID& avatar_id, const std::string& name )
-{
- instance()->stopTrackingLandmark();
- instance()->stopTrackingLocation();
-
- LLAvatarTracker::instance().track( avatar_id, name );
- instance()->mTrackingStatus = TRACKING_AVATAR;
- instance()->mLabel = name;
- instance()->mToolTip = "";
-}
-
-
-// static
-void LLTracker::trackLandmark( const LLUUID& asset_id, const LLUUID& item_id, const std::string& name)
-{
- instance()->stopTrackingAvatar();
- instance()->stopTrackingLocation();
-
- instance()->mTrackedLandmarkAssetID = asset_id;
- instance()->mTrackedLandmarkItemID = item_id;
- instance()->mTrackedLandmarkName = name;
- instance()->cacheLandmarkPosition();
- instance()->mTrackingStatus = TRACKING_LANDMARK;
- instance()->mLabel = name;
- instance()->mToolTip = "";
-}
-
-
-// static
-void LLTracker::trackLocation(const LLVector3d& pos_global, const std::string& full_name, const std::string& tooltip, ETrackingLocationType location_type)
-{
- instance()->stopTrackingAvatar();
- instance()->stopTrackingLandmark();
-
- instance()->mTrackedPositionGlobal = pos_global;
- instance()->mTrackedLocationName = full_name;
- instance()->mIsTrackingLocation = true;
- instance()->mTrackingStatus = TRACKING_LOCATION;
- instance()->mTrackingLocationType = location_type;
- instance()->mLabel = full_name;
- instance()->mToolTip = tooltip;
-}
-
-
-// static
-bool LLTracker::handleMouseDown(S32 x, S32 y)
-{
- bool eat_mouse_click = false;
- // fortunately, we can always compute the tracking arrow center
- S32 dist_sqrd = (x - instance()->mHUDArrowCenterX) * (x - instance()->mHUDArrowCenterX) +
- (y - instance()->mHUDArrowCenterY) * (y - instance()->mHUDArrowCenterY);
- if (dist_sqrd < ARROW_OFF_RADIUS_SQRD)
- {
- /* tracking autopilot destination has been disabled
- -- 2004.01.09, Leviathan
- // turn off tracking
- if (gAgent.getAutoPilot())
- {
- gAgent.stopAutoPilot(true); // true because cancelled by user
- eat_mouse_click = true;
- }
- */
- if (getTrackingStatus())
- {
- instance()->stopTrackingAll();
- eat_mouse_click = true;
- }
- }
- return eat_mouse_click;
-}
-
-
-// static
-LLVector3d LLTracker::getTrackedPositionGlobal()
-{
- LLVector3d pos_global;
- switch (getTrackingStatus())
- {
- case TRACKING_AVATAR:
- {
- LLAvatarTracker& av_tracker = LLAvatarTracker::instance();
- if (av_tracker.haveTrackingInfo())
- {
- pos_global = av_tracker.getGlobalPos(); }
- break;
- }
- case TRACKING_LANDMARK:
- if( instance()->mHasLandmarkPosition )
- {
- pos_global = instance()->mTrackedPositionGlobal;
- }
- break;
- case TRACKING_LOCATION:
- pos_global = instance()->mTrackedPositionGlobal;
- break;
- default:
- break;
- }
- return pos_global;
-}
-
-
-// static
-bool LLTracker::hasLandmarkPosition()
-{
- if (!instance()->mHasLandmarkPosition)
- {
- // maybe we just received the landmark position info
- instance()->cacheLandmarkPosition();
- }
- return instance()->mHasLandmarkPosition;
-}
-
-
-// static
-const std::string& LLTracker::getTrackedLocationName()
-{
- return instance()->mTrackedLocationName;
-}
-
-F32 pulse_func(F32 t, F32 z, bool tracking_avatar, std::string direction)
-{
- if (!LLTracker::sCheesyBeacon)
- {
- return 0.f;
- }
-
- t *= F_PI;
- if ("DOWN" == direction)
- {
- z += t*64.f - 256.f;
- }
- else
- {
- z -= t*64.f - 256.f;
- }
-
- F32 a = cosf(z*F_PI/512.f)*10.0f;
- a = llmax(a, 9.9f);
- a -= 9.9f;
- a *= 10.f;
- return a;
-}
-
-void draw_shockwave(F32 center_z, F32 t, S32 steps, LLColor4 color)
-{
- if (!LLTracker::sCheesyBeacon)
- {
- return;
- }
-
- t *= 0.6284f/F_PI;
-
- t -= (F32) (S32) t;
-
- t = llmax(t, 0.5f);
- t -= 0.5f;
- t *= 2.0f;
-
- F32 radius = t*16536.f;
-
- // Inexact, but reasonably fast.
- F32 delta = F_TWO_PI / steps;
- F32 sin_delta = sin( delta );
- F32 cos_delta = cos( delta );
- F32 x = radius;
- F32 y = 0.f;
-
- LLColor4 ccol = LLColor4(1,1,1,(1.f-t)*0.25f);
- gGL.begin(LLRender::TRIANGLE_FAN);
- gGL.color4fv(ccol.mV);
- gGL.vertex3f(0.f, 0.f, center_z);
- // make sure circle is complete
- steps += 1;
-
- color.mV[3] = (1.f-t*t);
-
- gGL.color4fv(color.mV);
- while( steps-- )
- {
- // Successive rotations
- gGL.vertex3f( x, y, center_z );
- F32 x_new = x * cos_delta - y * sin_delta;
- y = x * sin_delta + y * cos_delta;
- x = x_new;
- }
- gGL.end();
-}
-
-void LLTracker::drawBeacon(LLVector3 pos_agent, std::string direction, LLColor4 fogged_color, F32 dist)
-{
- const U32 BEACON_VERTS = 256;
- F32 step;
-
- gGL.matrixMode(LLRender::MM_MODELVIEW);
- gGL.pushMatrix();
-
- if ("DOWN" == direction)
- {
- gGL.translatef(pos_agent.mV[0], pos_agent.mV[1], pos_agent.mV[2]);
- draw_shockwave(1024.f, gRenderStartTime.getElapsedTimeF32(), 32, fogged_color);
- step = (5020.0f - pos_agent.mV[2]) / BEACON_VERTS;
- }
- else
- {
- gGL.translatef(pos_agent.mV[0], pos_agent.mV[1], 0);
- step = pos_agent.mV[2] / BEACON_VERTS;
- }
-
- gGL.color4fv(fogged_color.mV);
-
- LLVector3 x_axis = LLViewerCamera::getInstance()->getLeftAxis();
- F32 t = gRenderStartTime.getElapsedTimeF32();
-
- for (U32 i = 0; i < BEACON_VERTS; i++)
- {
- F32 x = x_axis.mV[0];
- F32 y = x_axis.mV[1];
-
- F32 z = i * step;
- F32 z_next = (i+1)*step;
-
- bool tracking_avatar = getTrackingStatus() == TRACKING_AVATAR;
- F32 a = pulse_func(t, z, tracking_avatar, direction);
- F32 an = pulse_func(t, z_next, tracking_avatar, direction);
-
- LLColor4 c_col = fogged_color + LLColor4(a,a,a,a);
- LLColor4 col_next = fogged_color + LLColor4(an,an,an,an);
- LLColor4 col_edge = fogged_color * LLColor4(a,a,a,0.0f);
- LLColor4 col_edge_next = fogged_color * LLColor4(an,an,an,0.0f);
-
- a *= 2.f;
- a += 1.0f;
-
- an *= 2.f;
- an += 1.0f;
-
- gGL.begin(LLRender::TRIANGLE_STRIP);
- gGL.color4fv(col_edge.mV);
- gGL.vertex3f(-x*a, -y*a, z);
- gGL.color4fv(col_edge_next.mV);
- gGL.vertex3f(-x*an, -y*an, z_next);
-
- gGL.color4fv(c_col.mV);
- gGL.vertex3f(0, 0, z);
- gGL.color4fv(col_next.mV);
- gGL.vertex3f(0, 0, z_next);
-
- gGL.color4fv(col_edge.mV);
- gGL.vertex3f(x*a,y*a,z);
- gGL.color4fv(col_edge_next.mV);
- gGL.vertex3f(x*an,y*an,z_next);
- gGL.end();
- }
- gGL.popMatrix();
-}
-
-// static
-void LLTracker::renderBeacon(LLVector3d pos_global,
- const LLColor4& color,
- const LLColor4& color_under,
- LLHUDText* hud_textp,
- const std::string& label )
-{
- sCheesyBeacon = gSavedSettings.getBOOL("CheesyBeacon");
- LLVector3d to_vec = pos_global - gAgentCamera.getCameraPositionGlobal();
-
- F32 dist = (F32)to_vec.magVec();
- F32 color_frac = 1.f;
- if (dist > 0.99f * LLViewerCamera::getInstance()->getFar())
- {
- color_frac = 0.4f;
- // pos_global = gAgentCamera.getCameraPositionGlobal() + 0.99f*(LLViewerCamera::getInstance()->getFar()/dist)*to_vec;
- }
- else
- {
- color_frac = 1.f - 0.6f*(dist/LLViewerCamera::getInstance()->getFar());
- }
-
- LLColor4 fogged_color = color_frac * color + (1 - color_frac)*gSky.getSkyFogColor();
- LLColor4 fogged_color_under = color_frac * color_under + (1 - color_frac) * gSky.getSkyFogColor();
-
- F32 FADE_DIST = 3.f;
- fogged_color.mV[3] = llmax(0.2f, llmin(0.5f,(dist-FADE_DIST)/FADE_DIST));
- fogged_color_under.mV[3] = llmax(0.2f, llmin(0.5f,(dist-FADE_DIST)/FADE_DIST));
-
- LLVector3 pos_agent = gAgent.getPosAgentFromGlobal(pos_global);
-
- LLGLSTracker gls_tracker;
- gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
- LLGLDisable cull_face(GL_CULL_FACE);
- LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
-
- LLTracker::drawBeacon(pos_agent, "DOWN", fogged_color, dist);
- LLTracker::drawBeacon(pos_agent, "UP", fogged_color_under, dist);
-
- std::string text;
- text = llformat( "%.0f m", to_vec.magVec());
-
- std::string str;
- str += label;
- str += '\n';
- str += text;
-
- hud_textp->setFont(LLFontGL::getFontSansSerif());
- hud_textp->setZCompare(false);
- hud_textp->setColor(LLColor4(1.f, 1.f, 1.f, llmax(0.2f, llmin(1.f,(dist-FADE_DIST)/FADE_DIST))));
-
- hud_textp->setString(str);
- hud_textp->setVertAlignment(LLHUDText::ALIGN_VERT_CENTER);
- hud_textp->setPositionAgent(pos_agent);
-}
-
-
-void LLTracker::stopTrackingAll(bool clear_ui)
-{
- switch (mTrackingStatus)
- {
- case TRACKING_AVATAR :
- stopTrackingAvatar(clear_ui);
- break;
- case TRACKING_LANDMARK :
- stopTrackingLandmark(clear_ui);
- break;
- case TRACKING_LOCATION :
- stopTrackingLocation(clear_ui);
- break;
- default:
- mTrackingStatus = TRACKING_NOTHING;
- break;
- }
-}
-
-
-void LLTracker::stopTrackingAvatar(bool clear_ui)
-{
- LLAvatarTracker& av_tracker = LLAvatarTracker::instance();
- if( !av_tracker.getAvatarID().isNull() )
- {
- av_tracker.untrack( av_tracker.getAvatarID() );
- }
-
- purgeBeaconText();
- gFloaterWorldMap->clearAvatarSelection(clear_ui);
- mTrackingStatus = TRACKING_NOTHING;
-}
-
-
-void LLTracker::stopTrackingLandmark(bool clear_ui)
-{
- purgeBeaconText();
- mTrackedLandmarkAssetID.setNull();
- mTrackedLandmarkItemID.setNull();
- mTrackedLandmarkName.assign("");
- mTrackedPositionGlobal.zeroVec();
- mHasLandmarkPosition = false;
- mHasReachedLandmark = false;
- mLandmarkHasBeenVisited = true;
- gFloaterWorldMap->clearLandmarkSelection(clear_ui);
- mTrackingStatus = TRACKING_NOTHING;
-}
-
-
-void LLTracker::stopTrackingLocation(bool clear_ui, bool dest_reached)
-{
- purgeBeaconText();
- mTrackedLocationName.assign("");
- mIsTrackingLocation = false;
- mTrackedPositionGlobal.zeroVec();
- gFloaterWorldMap->clearLocationSelection(clear_ui, dest_reached);
- mTrackingStatus = TRACKING_NOTHING;
- mTrackingLocationType = LOCATION_NOTHING;
-}
-
-void LLTracker::clearFocus()
-{
- instance()->mTrackingStatus = TRACKING_NOTHING;
-}
-
-void LLTracker::drawMarker(const LLVector3d& pos_global, const LLColor4& color)
-{
- // get position
- LLVector3 pos_local = gAgent.getPosAgentFromGlobal(pos_global);
-
- // check in frustum
- LLCoordGL screen;
- S32 x = 0;
- S32 y = 0;
- const bool CLAMP = true;
-
- if (LLViewerCamera::getInstance()->projectPosAgentToScreen(pos_local, screen, CLAMP)
- || LLViewerCamera::getInstance()->projectPosAgentToScreenEdge(pos_local, screen) )
- {
- gHUDView->screenPointToLocal(screen.mX, screen.mY, &x, &y);
-
- // the center of the rendered position of the arrow obeys
- // the following rules:
- // (1) it lies on an ellipse centered on the target position
- // (2) it lies on the line between the target and the window center
- // (3) right now the radii of the ellipse are fixed, but eventually
- // they will be a function of the target text
- //
- // from those rules we can compute the position of the
- // lower left corner of the image
- LLRect rect = gHUDView->getRect();
- S32 x_center = lltrunc(0.5f * (F32)rect.getWidth());
- S32 y_center = lltrunc(0.5f * (F32)rect.getHeight());
- x = x - x_center; // x and y relative to center
- y = y - y_center;
- F32 dist = sqrt((F32)(x*x + y*y));
- S32 half_arrow_size = lltrunc(0.5f * HUD_ARROW_SIZE);
- if (dist > 0.f)
- {
- const F32 ARROW_ELLIPSE_RADIUS_X = 2 * HUD_ARROW_SIZE;
- const F32 ARROW_ELLIPSE_RADIUS_Y = HUD_ARROW_SIZE;
-
- // compute where the arrow should be
- F32 x_target = (F32)(x + x_center) - (ARROW_ELLIPSE_RADIUS_X * ((F32)x / dist) );
- F32 y_target = (F32)(y + y_center) - (ARROW_ELLIPSE_RADIUS_Y * ((F32)y / dist) );
-
- // keep the arrow within the window
- F32 x_clamped = llclamp( x_target, (F32)half_arrow_size, (F32)(rect.getWidth() - half_arrow_size));
- F32 y_clamped = llclamp( y_target, (F32)half_arrow_size, (F32)(rect.getHeight() - half_arrow_size));
-
- F32 slope = (F32)(y) / (F32)(x);
- F32 window_ratio = (F32)(rect.getHeight() - HUD_ARROW_SIZE) / (F32)(rect.getWidth() - HUD_ARROW_SIZE);
-
- // if the arrow has been clamped on one axis
- // then we need to compute the other axis
- if (llabs(slope) > window_ratio)
- {
- if (y_clamped != (F32)y_target)
- {
- // clamp by y
- x_clamped = (y_clamped - (F32)y_center) / slope + (F32)x_center;
- }
- }
- else if (x_clamped != (F32)x_target)
- {
- // clamp by x
- y_clamped = (x_clamped - (F32)x_center) * slope + (F32)y_center;
- }
- mHUDArrowCenterX = lltrunc(x_clamped);
- mHUDArrowCenterY = lltrunc(y_clamped);
- }
- else
- {
- // recycle the old values
- x = mHUDArrowCenterX - x_center;
- y = mHUDArrowCenterY - y_center;
- }
-
- F32 angle = atan2( (F32)y, (F32)x );
-
- gl_draw_scaled_rotated_image(mHUDArrowCenterX - half_arrow_size,
- mHUDArrowCenterY - half_arrow_size,
- HUD_ARROW_SIZE, HUD_ARROW_SIZE,
- RAD_TO_DEG * angle,
- LLWorldMapView::sTrackArrowImage->getImage(),
- color);
- }
-}
-
-
-void LLTracker::setLandmarkVisited()
-{
- // poke the inventory item
- if (!mTrackedLandmarkItemID.isNull())
- {
- LLInventoryItem* i = gInventory.getItem( mTrackedLandmarkItemID );
- LLViewerInventoryItem* item = (LLViewerInventoryItem*)i;
- if ( item
- && !(item->getFlags()&LLInventoryItemFlags::II_FLAGS_LANDMARK_VISITED))
- {
- U32 flags = item->getFlags();
- flags |= LLInventoryItemFlags::II_FLAGS_LANDMARK_VISITED;
- item->setFlags(flags);
- LLMessageSystem* msg = gMessageSystem;
- msg->newMessage("ChangeInventoryItemFlags");
- msg->nextBlock("AgentData");
- msg->addUUID("AgentID", gAgent.getID());
- msg->addUUID("SessionID", gAgent.getSessionID());
- msg->nextBlock("InventoryData");
- msg->addUUID("ItemID", mTrackedLandmarkItemID);
- msg->addU32("Flags", flags);
- gAgent.sendReliableMessage();
-
- LLInventoryModel::LLCategoryUpdate up(item->getParentUUID(), 0);
- gInventory.accountForUpdate(up);
-
- // need to communicate that the icon needs to change...
- gInventory.addChangedMask(LLInventoryObserver::INTERNAL, item->getUUID());
- gInventory.notifyObservers();
- }
- }
-}
-
-
-void LLTracker::cacheLandmarkPosition()
-{
- // the landmark asset download may have finished, in which case
- // we'll now be able to figure out where we're trying to go
- bool found_landmark = false;
- if( mTrackedLandmarkAssetID == LLFloaterWorldMap::getHomeID())
- {
- LLVector3d pos_global;
- if ( gAgent.getHomePosGlobal( &mTrackedPositionGlobal ))
- {
- found_landmark = true;
- }
- else
- {
- LL_WARNS() << "LLTracker couldn't find home pos" << LL_ENDL;
- mTrackedLandmarkAssetID.setNull();
- mTrackedLandmarkItemID.setNull();
- }
- }
- else
- {
- LLLandmark* landmark = gLandmarkList.getAsset(mTrackedLandmarkAssetID);
- if(landmark && landmark->getGlobalPos(mTrackedPositionGlobal))
- {
- found_landmark = true;
-
- // cache the object's visitation status
- mLandmarkHasBeenVisited = false;
- LLInventoryItem* item = gInventory.getItem(mTrackedLandmarkItemID);
- if ( item
- && item->getFlags()&LLInventoryItemFlags::II_FLAGS_LANDMARK_VISITED)
- {
- mLandmarkHasBeenVisited = true;
- }
- }
- }
- if ( found_landmark && gFloaterWorldMap )
- {
- mHasReachedLandmark = false;
- F32 dist = gFloaterWorldMap->getDistanceToDestination(mTrackedPositionGlobal, 1.0f);
- if ( dist < DESTINATION_UNVISITED_RADIUS )
- {
- mHasReachedLandmark = true;
- }
- mHasLandmarkPosition = true;
- }
- mHasLandmarkPosition = found_landmark;
-}
-
-
-void LLTracker::purgeBeaconText()
-{
- if(!mBeaconText.isNull())
- {
- mBeaconText->markDead();
- mBeaconText = NULL;
- }
-}
-
+/**
+ * @file lltracker.cpp
+ * @brief Container for objects user is tracking.
+ *
+ * $LicenseInfo:firstyear=2003&license=viewerlgpl$
+ * 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"
+
+// library includes
+#include "llcoord.h"
+#include "llfontgl.h"
+#include "llgl.h"
+#include "llrender.h"
+#include "llinventory.h"
+#include "llinventorydefines.h"
+#include "llpointer.h"
+#include "llstring.h"
+#include "lluuid.h"
+#include "v3math.h"
+#include "v3dmath.h"
+#include "v4color.h"
+
+// viewer includes
+#include "llappviewer.h"
+#include "lltracker.h"
+#include "llagent.h"
+#include "llagentcamera.h"
+#include "llcallingcard.h"
+#include "llfloaterworldmap.h"
+#include "llhudtext.h"
+#include "llhudview.h"
+#include "llinventorymodel.h"
+#include "llinventoryobserver.h"
+#include "lllandmarklist.h"
+#include "llprogressview.h"
+#include "llsky.h"
+#include "llui.h"
+#include "llviewercamera.h"
+#include "llviewerinventory.h"
+#include "llviewerwindow.h"
+#include "llworld.h"
+#include "llworldmapview.h"
+#include "llviewercontrol.h"
+
+const F32 DESTINATION_REACHED_RADIUS = 3.0f;
+const F32 DESTINATION_VISITED_RADIUS = 6.0f;
+
+// this last one is useful for when the landmark is
+// very close to agent when tracking is turned on
+const F32 DESTINATION_UNVISITED_RADIUS = 12.0f;
+
+const S32 ARROW_OFF_RADIUS_SQRD = 100;
+
+const S32 HUD_ARROW_SIZE = 32;
+
+// static
+LLTracker *LLTracker::sTrackerp = NULL;
+bool LLTracker::sCheesyBeacon = false;
+
+LLTracker::LLTracker()
+: mTrackingStatus(TRACKING_NOTHING),
+ mTrackingLocationType(LOCATION_NOTHING),
+ mHUDArrowCenterX(0),
+ mHUDArrowCenterY(0),
+ mToolTip( "" ),
+ mTrackedLandmarkName(""),
+ mHasReachedLandmark(false),
+ mHasLandmarkPosition(false),
+ mLandmarkHasBeenVisited(false),
+ mTrackedLocationName( "" ),
+ mIsTrackingLocation(false),
+ mHasReachedLocation(false)
+{ }
+
+
+LLTracker::~LLTracker()
+{
+ purgeBeaconText();
+}
+
+
+// static
+void LLTracker::stopTracking(bool clear_ui)
+{
+ instance()->stopTrackingAll(clear_ui);
+}
+
+
+// static virtual
+void LLTracker::drawHUDArrow()
+{
+ if (!LLWorld::instanceExists())
+ {
+ return;
+ }
+
+ static LLCachedControl<bool> render_beacon(gSavedSettings, "RenderTrackerBeacon", true);
+ if (!render_beacon)
+ {
+ return;
+ }
+
+ if (gViewerWindow->getProgressView()->getVisible()) return;
+
+ static LLUIColor map_track_color = LLUIColorTable::instance().getColor("MapTrackColor", LLColor4::white);
+
+ /* tracking autopilot destination has been disabled
+ -- 2004.01.09, Leviathan
+ // Draw dot for autopilot target
+ if (gAgent.getAutoPilot())
+ {
+ instance()->drawMarker( gAgent.getAutoPilotTargetGlobal(), map_track_color );
+ return;
+ }
+ */
+ switch (getTrackingStatus())
+ {
+ case TRACKING_AVATAR:
+ // Tracked avatar
+ if(LLAvatarTracker::instance().haveTrackingInfo())
+ {
+ instance()->drawMarker( LLAvatarTracker::instance().getGlobalPos(), map_track_color );
+ }
+ break;
+
+ case TRACKING_LANDMARK:
+ instance()->drawMarker( getTrackedPositionGlobal(), map_track_color );
+ break;
+
+ case TRACKING_LOCATION:
+ // HACK -- try to keep the location just above the terrain
+#if 0
+ // UNHACKED by CRO - keep location where the location is
+ instance()->mTrackedPositionGlobal.mdV[VZ] =
+ 0.9f * instance()->mTrackedPositionGlobal.mdV[VZ]
+ + 0.1f * (LLWorld::getInstance()->resolveLandHeightGlobal(getTrackedPositionGlobal()) + 1.5f);
+#endif
+ instance()->mTrackedPositionGlobal.mdV[VZ] = llclamp((F32)instance()->mTrackedPositionGlobal.mdV[VZ], LLWorld::getInstance()->resolveLandHeightGlobal(getTrackedPositionGlobal()) + 1.5f, (F32)instance()->getTrackedPositionGlobal().mdV[VZ]);
+ instance()->drawMarker( getTrackedPositionGlobal(), map_track_color );
+ break;
+
+ default:
+ break;
+ }
+}
+
+
+// static
+void LLTracker::render3D()
+{
+ if (!gFloaterWorldMap || !gSavedSettings.getBOOL("RenderTrackerBeacon"))
+ {
+ return;
+ }
+
+ static LLUIColor map_track_color = LLUIColorTable::instance().getColor("MapTrackColor", LLColor4::white);
+ static LLUIColor map_track_color_under = LLUIColorTable::instance().getColor("MapTrackColorUnder", LLColor4::white);
+
+ // Arbitary location beacon
+ if( instance()->mIsTrackingLocation )
+ {
+ if (!instance()->mBeaconText)
+ {
+ instance()->mBeaconText = (LLHUDText *)LLHUDObject::addHUDObject(LLHUDObject::LL_HUD_TEXT);
+ instance()->mBeaconText->setDoFade(false);
+ }
+
+ LLVector3d pos_global = instance()->mTrackedPositionGlobal;
+ // (z-attenuation < 1) means compute "shorter" distance in z-axis,
+ // so cancel tracking even if avatar is a little above or below.
+ F32 dist = gFloaterWorldMap->getDistanceToDestination(pos_global, 0.5f);
+ if (dist < DESTINATION_REACHED_RADIUS)
+ {
+ instance()->stopTrackingLocation(false,true);
+ }
+ else
+ {
+ renderBeacon( instance()->mTrackedPositionGlobal, map_track_color, map_track_color_under,
+ instance()->mBeaconText, instance()->mTrackedLocationName );
+ }
+ }
+
+ // Landmark beacon
+ else if( !instance()->mTrackedLandmarkAssetID.isNull() )
+ {
+ if (!instance()->mBeaconText)
+ {
+ instance()->mBeaconText = (LLHUDText *)LLHUDObject::addHUDObject(LLHUDObject::LL_HUD_TEXT);
+ instance()->mBeaconText->setDoFade(false);
+ }
+
+ if (instance()->mHasLandmarkPosition)
+ {
+ F32 dist = gFloaterWorldMap->getDistanceToDestination(instance()->mTrackedPositionGlobal, 1.0f);
+
+ if ( !instance()->mLandmarkHasBeenVisited
+ && dist < DESTINATION_VISITED_RADIUS )
+ {
+ // its close enough ==> flag as visited
+ instance()->setLandmarkVisited();
+ }
+
+ if ( !instance()->mHasReachedLandmark
+ && dist < DESTINATION_REACHED_RADIUS )
+ {
+ // its VERY CLOSE ==> automatically stop tracking
+ instance()->stopTrackingLandmark();
+ }
+ else
+ {
+ if ( instance()->mHasReachedLandmark
+ && dist > DESTINATION_UNVISITED_RADIUS )
+ {
+ // this is so that landmark beacons don't immediately
+ // disappear when they're created only a few meters
+ // away, yet disappear when the agent wanders away
+ // and back again
+ instance()->mHasReachedLandmark = false;
+ }
+ renderBeacon( instance()->mTrackedPositionGlobal, map_track_color, map_track_color_under,
+ instance()->mBeaconText, instance()->mTrackedLandmarkName );
+ }
+ }
+ else
+ {
+ // probably just finished downloading the asset
+ instance()->cacheLandmarkPosition();
+ }
+ }
+ else
+ {
+ // Avatar beacon
+ LLAvatarTracker& av_tracker = LLAvatarTracker::instance();
+ if(av_tracker.haveTrackingInfo())
+ {
+ if (!instance()->mBeaconText)
+ {
+ instance()->mBeaconText = (LLHUDText *)LLHUDObject::addHUDObject(LLHUDObject::LL_HUD_TEXT);
+ instance()->mBeaconText->setDoFade(false);
+ }
+
+ F32 dist = gFloaterWorldMap->getDistanceToDestination(instance()->getTrackedPositionGlobal(), 0.0f);
+ if (dist < DESTINATION_REACHED_RADIUS)
+ {
+ instance()->stopTrackingAvatar();
+ }
+ else
+ {
+ renderBeacon( av_tracker.getGlobalPos(), map_track_color, map_track_color_under,
+ instance()->mBeaconText, av_tracker.getName() );
+ }
+ }
+ else
+ {
+ bool stop_tracking = false;
+ const LLUUID& avatar_id = av_tracker.getAvatarID();
+ if(avatar_id.isNull())
+ {
+ stop_tracking = true;
+ }
+ else
+ {
+ const LLRelationship* buddy = av_tracker.getBuddyInfo(avatar_id);
+ if(buddy && !buddy->isOnline() && !gAgent.isGodlike())
+ {
+ stop_tracking = true;
+ }
+ if(!buddy && !gAgent.isGodlike())
+ {
+ stop_tracking = true;
+ }
+ }
+ if(stop_tracking)
+ {
+ instance()->stopTrackingAvatar();
+ }
+ }
+ }
+}
+
+
+// static
+void LLTracker::trackAvatar( const LLUUID& avatar_id, const std::string& name )
+{
+ instance()->stopTrackingLandmark();
+ instance()->stopTrackingLocation();
+
+ LLAvatarTracker::instance().track( avatar_id, name );
+ instance()->mTrackingStatus = TRACKING_AVATAR;
+ instance()->mLabel = name;
+ instance()->mToolTip = "";
+}
+
+
+// static
+void LLTracker::trackLandmark( const LLUUID& asset_id, const LLUUID& item_id, const std::string& name)
+{
+ instance()->stopTrackingAvatar();
+ instance()->stopTrackingLocation();
+
+ instance()->mTrackedLandmarkAssetID = asset_id;
+ instance()->mTrackedLandmarkItemID = item_id;
+ instance()->mTrackedLandmarkName = name;
+ instance()->cacheLandmarkPosition();
+ instance()->mTrackingStatus = TRACKING_LANDMARK;
+ instance()->mLabel = name;
+ instance()->mToolTip = "";
+}
+
+
+// static
+void LLTracker::trackLocation(const LLVector3d& pos_global, const std::string& full_name, const std::string& tooltip, ETrackingLocationType location_type)
+{
+ instance()->stopTrackingAvatar();
+ instance()->stopTrackingLandmark();
+
+ instance()->mTrackedPositionGlobal = pos_global;
+ instance()->mTrackedLocationName = full_name;
+ instance()->mIsTrackingLocation = true;
+ instance()->mTrackingStatus = TRACKING_LOCATION;
+ instance()->mTrackingLocationType = location_type;
+ instance()->mLabel = full_name;
+ instance()->mToolTip = tooltip;
+}
+
+
+// static
+bool LLTracker::handleMouseDown(S32 x, S32 y)
+{
+ bool eat_mouse_click = false;
+ // fortunately, we can always compute the tracking arrow center
+ S32 dist_sqrd = (x - instance()->mHUDArrowCenterX) * (x - instance()->mHUDArrowCenterX) +
+ (y - instance()->mHUDArrowCenterY) * (y - instance()->mHUDArrowCenterY);
+ if (dist_sqrd < ARROW_OFF_RADIUS_SQRD)
+ {
+ /* tracking autopilot destination has been disabled
+ -- 2004.01.09, Leviathan
+ // turn off tracking
+ if (gAgent.getAutoPilot())
+ {
+ gAgent.stopAutoPilot(true); // true because cancelled by user
+ eat_mouse_click = true;
+ }
+ */
+ if (getTrackingStatus())
+ {
+ instance()->stopTrackingAll();
+ eat_mouse_click = true;
+ }
+ }
+ return eat_mouse_click;
+}
+
+
+// static
+LLVector3d LLTracker::getTrackedPositionGlobal()
+{
+ LLVector3d pos_global;
+ switch (getTrackingStatus())
+ {
+ case TRACKING_AVATAR:
+ {
+ LLAvatarTracker& av_tracker = LLAvatarTracker::instance();
+ if (av_tracker.haveTrackingInfo())
+ {
+ pos_global = av_tracker.getGlobalPos(); }
+ break;
+ }
+ case TRACKING_LANDMARK:
+ if( instance()->mHasLandmarkPosition )
+ {
+ pos_global = instance()->mTrackedPositionGlobal;
+ }
+ break;
+ case TRACKING_LOCATION:
+ pos_global = instance()->mTrackedPositionGlobal;
+ break;
+ default:
+ break;
+ }
+ return pos_global;
+}
+
+
+// static
+bool LLTracker::hasLandmarkPosition()
+{
+ if (!instance()->mHasLandmarkPosition)
+ {
+ // maybe we just received the landmark position info
+ instance()->cacheLandmarkPosition();
+ }
+ return instance()->mHasLandmarkPosition;
+}
+
+
+// static
+const std::string& LLTracker::getTrackedLocationName()
+{
+ return instance()->mTrackedLocationName;
+}
+
+F32 pulse_func(F32 t, F32 z, bool tracking_avatar, std::string direction)
+{
+ if (!LLTracker::sCheesyBeacon)
+ {
+ return 0.f;
+ }
+
+ t *= F_PI;
+ if ("DOWN" == direction)
+ {
+ z += t*64.f - 256.f;
+ }
+ else
+ {
+ z -= t*64.f - 256.f;
+ }
+
+ F32 a = cosf(z*F_PI/512.f)*10.0f;
+ a = llmax(a, 9.9f);
+ a -= 9.9f;
+ a *= 10.f;
+ return a;
+}
+
+void draw_shockwave(F32 center_z, F32 t, S32 steps, LLColor4 color)
+{
+ if (!LLTracker::sCheesyBeacon)
+ {
+ return;
+ }
+
+ t *= 0.6284f/F_PI;
+
+ t -= (F32) (S32) t;
+
+ t = llmax(t, 0.5f);
+ t -= 0.5f;
+ t *= 2.0f;
+
+ F32 radius = t*16536.f;
+
+ // Inexact, but reasonably fast.
+ F32 delta = F_TWO_PI / steps;
+ F32 sin_delta = sin( delta );
+ F32 cos_delta = cos( delta );
+ F32 x = radius;
+ F32 y = 0.f;
+
+ LLColor4 ccol = LLColor4(1,1,1,(1.f-t)*0.25f);
+ gGL.begin(LLRender::TRIANGLE_FAN);
+ gGL.color4fv(ccol.mV);
+ gGL.vertex3f(0.f, 0.f, center_z);
+ // make sure circle is complete
+ steps += 1;
+
+ color.mV[3] = (1.f-t*t);
+
+ gGL.color4fv(color.mV);
+ while( steps-- )
+ {
+ // Successive rotations
+ gGL.vertex3f( x, y, center_z );
+ F32 x_new = x * cos_delta - y * sin_delta;
+ y = x * sin_delta + y * cos_delta;
+ x = x_new;
+ }
+ gGL.end();
+}
+
+void LLTracker::drawBeacon(LLVector3 pos_agent, std::string direction, LLColor4 fogged_color, F32 dist)
+{
+ const U32 BEACON_VERTS = 256;
+ F32 step;
+
+ gGL.matrixMode(LLRender::MM_MODELVIEW);
+ gGL.pushMatrix();
+
+ if ("DOWN" == direction)
+ {
+ gGL.translatef(pos_agent.mV[0], pos_agent.mV[1], pos_agent.mV[2]);
+ draw_shockwave(1024.f, gRenderStartTime.getElapsedTimeF32(), 32, fogged_color);
+ step = (5020.0f - pos_agent.mV[2]) / BEACON_VERTS;
+ }
+ else
+ {
+ gGL.translatef(pos_agent.mV[0], pos_agent.mV[1], 0);
+ step = pos_agent.mV[2] / BEACON_VERTS;
+ }
+
+ gGL.color4fv(fogged_color.mV);
+
+ LLVector3 x_axis = LLViewerCamera::getInstance()->getLeftAxis();
+ F32 t = gRenderStartTime.getElapsedTimeF32();
+
+ for (U32 i = 0; i < BEACON_VERTS; i++)
+ {
+ F32 x = x_axis.mV[0];
+ F32 y = x_axis.mV[1];
+
+ F32 z = i * step;
+ F32 z_next = (i+1)*step;
+
+ bool tracking_avatar = getTrackingStatus() == TRACKING_AVATAR;
+ F32 a = pulse_func(t, z, tracking_avatar, direction);
+ F32 an = pulse_func(t, z_next, tracking_avatar, direction);
+
+ LLColor4 c_col = fogged_color + LLColor4(a,a,a,a);
+ LLColor4 col_next = fogged_color + LLColor4(an,an,an,an);
+ LLColor4 col_edge = fogged_color * LLColor4(a,a,a,0.0f);
+ LLColor4 col_edge_next = fogged_color * LLColor4(an,an,an,0.0f);
+
+ a *= 2.f;
+ a += 1.0f;
+
+ an *= 2.f;
+ an += 1.0f;
+
+ gGL.begin(LLRender::TRIANGLE_STRIP);
+ gGL.color4fv(col_edge.mV);
+ gGL.vertex3f(-x*a, -y*a, z);
+ gGL.color4fv(col_edge_next.mV);
+ gGL.vertex3f(-x*an, -y*an, z_next);
+
+ gGL.color4fv(c_col.mV);
+ gGL.vertex3f(0, 0, z);
+ gGL.color4fv(col_next.mV);
+ gGL.vertex3f(0, 0, z_next);
+
+ gGL.color4fv(col_edge.mV);
+ gGL.vertex3f(x*a,y*a,z);
+ gGL.color4fv(col_edge_next.mV);
+ gGL.vertex3f(x*an,y*an,z_next);
+ gGL.end();
+ }
+ gGL.popMatrix();
+}
+
+// static
+void LLTracker::renderBeacon(LLVector3d pos_global,
+ const LLColor4& color,
+ const LLColor4& color_under,
+ LLHUDText* hud_textp,
+ const std::string& label )
+{
+ sCheesyBeacon = gSavedSettings.getBOOL("CheesyBeacon");
+ LLVector3d to_vec = pos_global - gAgentCamera.getCameraPositionGlobal();
+
+ F32 dist = (F32)to_vec.magVec();
+ F32 color_frac = 1.f;
+ if (dist > 0.99f * LLViewerCamera::getInstance()->getFar())
+ {
+ color_frac = 0.4f;
+ // pos_global = gAgentCamera.getCameraPositionGlobal() + 0.99f*(LLViewerCamera::getInstance()->getFar()/dist)*to_vec;
+ }
+ else
+ {
+ color_frac = 1.f - 0.6f*(dist/LLViewerCamera::getInstance()->getFar());
+ }
+
+ LLColor4 fogged_color = color_frac * color + (1 - color_frac)*gSky.getSkyFogColor();
+ LLColor4 fogged_color_under = color_frac * color_under + (1 - color_frac) * gSky.getSkyFogColor();
+
+ F32 FADE_DIST = 3.f;
+ fogged_color.mV[3] = llmax(0.2f, llmin(0.5f,(dist-FADE_DIST)/FADE_DIST));
+ fogged_color_under.mV[3] = llmax(0.2f, llmin(0.5f,(dist-FADE_DIST)/FADE_DIST));
+
+ LLVector3 pos_agent = gAgent.getPosAgentFromGlobal(pos_global);
+
+ LLGLSTracker gls_tracker;
+ gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+ LLGLDisable cull_face(GL_CULL_FACE);
+ LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
+
+ LLTracker::drawBeacon(pos_agent, "DOWN", fogged_color, dist);
+ LLTracker::drawBeacon(pos_agent, "UP", fogged_color_under, dist);
+
+ std::string text;
+ text = llformat( "%.0f m", to_vec.magVec());
+
+ std::string str;
+ str += label;
+ str += '\n';
+ str += text;
+
+ hud_textp->setFont(LLFontGL::getFontSansSerif());
+ hud_textp->setZCompare(false);
+ hud_textp->setColor(LLColor4(1.f, 1.f, 1.f, llmax(0.2f, llmin(1.f,(dist-FADE_DIST)/FADE_DIST))));
+
+ hud_textp->setString(str);
+ hud_textp->setVertAlignment(LLHUDText::ALIGN_VERT_CENTER);
+ hud_textp->setPositionAgent(pos_agent);
+}
+
+
+void LLTracker::stopTrackingAll(bool clear_ui)
+{
+ switch (mTrackingStatus)
+ {
+ case TRACKING_AVATAR :
+ stopTrackingAvatar(clear_ui);
+ break;
+ case TRACKING_LANDMARK :
+ stopTrackingLandmark(clear_ui);
+ break;
+ case TRACKING_LOCATION :
+ stopTrackingLocation(clear_ui);
+ break;
+ default:
+ mTrackingStatus = TRACKING_NOTHING;
+ break;
+ }
+}
+
+
+void LLTracker::stopTrackingAvatar(bool clear_ui)
+{
+ LLAvatarTracker& av_tracker = LLAvatarTracker::instance();
+ if( !av_tracker.getAvatarID().isNull() )
+ {
+ av_tracker.untrack( av_tracker.getAvatarID() );
+ }
+
+ purgeBeaconText();
+ gFloaterWorldMap->clearAvatarSelection(clear_ui);
+ mTrackingStatus = TRACKING_NOTHING;
+}
+
+
+void LLTracker::stopTrackingLandmark(bool clear_ui)
+{
+ purgeBeaconText();
+ mTrackedLandmarkAssetID.setNull();
+ mTrackedLandmarkItemID.setNull();
+ mTrackedLandmarkName.assign("");
+ mTrackedPositionGlobal.zeroVec();
+ mHasLandmarkPosition = false;
+ mHasReachedLandmark = false;
+ mLandmarkHasBeenVisited = true;
+ gFloaterWorldMap->clearLandmarkSelection(clear_ui);
+ mTrackingStatus = TRACKING_NOTHING;
+}
+
+
+void LLTracker::stopTrackingLocation(bool clear_ui, bool dest_reached)
+{
+ purgeBeaconText();
+ mTrackedLocationName.assign("");
+ mIsTrackingLocation = false;
+ mTrackedPositionGlobal.zeroVec();
+ gFloaterWorldMap->clearLocationSelection(clear_ui, dest_reached);
+ mTrackingStatus = TRACKING_NOTHING;
+ mTrackingLocationType = LOCATION_NOTHING;
+}
+
+void LLTracker::clearFocus()
+{
+ instance()->mTrackingStatus = TRACKING_NOTHING;
+}
+
+void LLTracker::drawMarker(const LLVector3d& pos_global, const LLColor4& color)
+{
+ // get position
+ LLVector3 pos_local = gAgent.getPosAgentFromGlobal(pos_global);
+
+ // check in frustum
+ LLCoordGL screen;
+ S32 x = 0;
+ S32 y = 0;
+ const bool CLAMP = true;
+
+ if (LLViewerCamera::getInstance()->projectPosAgentToScreen(pos_local, screen, CLAMP)
+ || LLViewerCamera::getInstance()->projectPosAgentToScreenEdge(pos_local, screen) )
+ {
+ gHUDView->screenPointToLocal(screen.mX, screen.mY, &x, &y);
+
+ // the center of the rendered position of the arrow obeys
+ // the following rules:
+ // (1) it lies on an ellipse centered on the target position
+ // (2) it lies on the line between the target and the window center
+ // (3) right now the radii of the ellipse are fixed, but eventually
+ // they will be a function of the target text
+ //
+ // from those rules we can compute the position of the
+ // lower left corner of the image
+ LLRect rect = gHUDView->getRect();
+ S32 x_center = lltrunc(0.5f * (F32)rect.getWidth());
+ S32 y_center = lltrunc(0.5f * (F32)rect.getHeight());
+ x = x - x_center; // x and y relative to center
+ y = y - y_center;
+ F32 dist = sqrt((F32)(x*x + y*y));
+ S32 half_arrow_size = lltrunc(0.5f * HUD_ARROW_SIZE);
+ if (dist > 0.f)
+ {
+ const F32 ARROW_ELLIPSE_RADIUS_X = 2 * HUD_ARROW_SIZE;
+ const F32 ARROW_ELLIPSE_RADIUS_Y = HUD_ARROW_SIZE;
+
+ // compute where the arrow should be
+ F32 x_target = (F32)(x + x_center) - (ARROW_ELLIPSE_RADIUS_X * ((F32)x / dist) );
+ F32 y_target = (F32)(y + y_center) - (ARROW_ELLIPSE_RADIUS_Y * ((F32)y / dist) );
+
+ // keep the arrow within the window
+ F32 x_clamped = llclamp( x_target, (F32)half_arrow_size, (F32)(rect.getWidth() - half_arrow_size));
+ F32 y_clamped = llclamp( y_target, (F32)half_arrow_size, (F32)(rect.getHeight() - half_arrow_size));
+
+ F32 slope = (F32)(y) / (F32)(x);
+ F32 window_ratio = (F32)(rect.getHeight() - HUD_ARROW_SIZE) / (F32)(rect.getWidth() - HUD_ARROW_SIZE);
+
+ // if the arrow has been clamped on one axis
+ // then we need to compute the other axis
+ if (llabs(slope) > window_ratio)
+ {
+ if (y_clamped != (F32)y_target)
+ {
+ // clamp by y
+ x_clamped = (y_clamped - (F32)y_center) / slope + (F32)x_center;
+ }
+ }
+ else if (x_clamped != (F32)x_target)
+ {
+ // clamp by x
+ y_clamped = (x_clamped - (F32)x_center) * slope + (F32)y_center;
+ }
+ mHUDArrowCenterX = lltrunc(x_clamped);
+ mHUDArrowCenterY = lltrunc(y_clamped);
+ }
+ else
+ {
+ // recycle the old values
+ x = mHUDArrowCenterX - x_center;
+ y = mHUDArrowCenterY - y_center;
+ }
+
+ F32 angle = atan2( (F32)y, (F32)x );
+
+ gl_draw_scaled_rotated_image(mHUDArrowCenterX - half_arrow_size,
+ mHUDArrowCenterY - half_arrow_size,
+ HUD_ARROW_SIZE, HUD_ARROW_SIZE,
+ RAD_TO_DEG * angle,
+ LLWorldMapView::sTrackArrowImage->getImage(),
+ color);
+ }
+}
+
+
+void LLTracker::setLandmarkVisited()
+{
+ // poke the inventory item
+ if (!mTrackedLandmarkItemID.isNull())
+ {
+ LLInventoryItem* i = gInventory.getItem( mTrackedLandmarkItemID );
+ LLViewerInventoryItem* item = (LLViewerInventoryItem*)i;
+ if ( item
+ && !(item->getFlags()&LLInventoryItemFlags::II_FLAGS_LANDMARK_VISITED))
+ {
+ U32 flags = item->getFlags();
+ flags |= LLInventoryItemFlags::II_FLAGS_LANDMARK_VISITED;
+ item->setFlags(flags);
+ LLMessageSystem* msg = gMessageSystem;
+ msg->newMessage("ChangeInventoryItemFlags");
+ msg->nextBlock("AgentData");
+ msg->addUUID("AgentID", gAgent.getID());
+ msg->addUUID("SessionID", gAgent.getSessionID());
+ msg->nextBlock("InventoryData");
+ msg->addUUID("ItemID", mTrackedLandmarkItemID);
+ msg->addU32("Flags", flags);
+ gAgent.sendReliableMessage();
+
+ LLInventoryModel::LLCategoryUpdate up(item->getParentUUID(), 0);
+ gInventory.accountForUpdate(up);
+
+ // need to communicate that the icon needs to change...
+ gInventory.addChangedMask(LLInventoryObserver::INTERNAL, item->getUUID());
+ gInventory.notifyObservers();
+ }
+ }
+}
+
+
+void LLTracker::cacheLandmarkPosition()
+{
+ // the landmark asset download may have finished, in which case
+ // we'll now be able to figure out where we're trying to go
+ bool found_landmark = false;
+ if( mTrackedLandmarkAssetID == LLFloaterWorldMap::getHomeID())
+ {
+ LLVector3d pos_global;
+ if ( gAgent.getHomePosGlobal( &mTrackedPositionGlobal ))
+ {
+ found_landmark = true;
+ }
+ else
+ {
+ LL_WARNS() << "LLTracker couldn't find home pos" << LL_ENDL;
+ mTrackedLandmarkAssetID.setNull();
+ mTrackedLandmarkItemID.setNull();
+ }
+ }
+ else
+ {
+ LLLandmark* landmark = gLandmarkList.getAsset(mTrackedLandmarkAssetID);
+ if(landmark && landmark->getGlobalPos(mTrackedPositionGlobal))
+ {
+ found_landmark = true;
+
+ // cache the object's visitation status
+ mLandmarkHasBeenVisited = false;
+ LLInventoryItem* item = gInventory.getItem(mTrackedLandmarkItemID);
+ if ( item
+ && item->getFlags()&LLInventoryItemFlags::II_FLAGS_LANDMARK_VISITED)
+ {
+ mLandmarkHasBeenVisited = true;
+ }
+ }
+ }
+ if ( found_landmark && gFloaterWorldMap )
+ {
+ mHasReachedLandmark = false;
+ F32 dist = gFloaterWorldMap->getDistanceToDestination(mTrackedPositionGlobal, 1.0f);
+ if ( dist < DESTINATION_UNVISITED_RADIUS )
+ {
+ mHasReachedLandmark = true;
+ }
+ mHasLandmarkPosition = true;
+ }
+ mHasLandmarkPosition = found_landmark;
+}
+
+
+void LLTracker::purgeBeaconText()
+{
+ if(!mBeaconText.isNull())
+ {
+ mBeaconText->markDead();
+ mBeaconText = NULL;
+ }
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 06:03:57 +0000