1 files changed, 479 insertions, 178 deletions

diff --git a/indra/newview/llnetmap.cpp b/indra/newview/llnetmap.cpp
index b6b433c28f..d7e7f13e87 100644..100755
--- a/indra/newview/llnetmap.cpp
+++ b/indra/newview/llnetmap.cpp
@@ -3,31 +3,25 @@
  * @author James Cook
  * @brief Display of surrounding regions, objects, and agents. 
  *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- * 
- * Copyright (c) 2001-2009, Linden Research, Inc.
- * 
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
  * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab.  Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * Copyright (C) 2001-2010, 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.
  * 
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 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.
  * 
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
+ * 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
  * 
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
 
@@ -37,6 +31,7 @@
 
 // Library includes (should move below)
 #include "indra_constants.h"
+#include "llavatarnamecache.h"
 #include "llmath.h"
 #include "llfloaterreg.h"
 #include "llfocusmgr.h"
@@ -49,8 +44,10 @@
 
 // Viewer includes
 #include "llagent.h"
+#include "llagentcamera.h"
 #include "llappviewer.h" // for gDisconnected
 #include "llcallingcard.h" // LLAvatarTracker
+#include "llfloaterworldmap.h"
 #include "lltracker.h"
 #include "llsurface.h"
 #include "llviewercamera.h"
@@ -60,14 +57,23 @@
 #include "llviewermenu.h"
 #include "llviewerobjectlist.h"
 #include "llviewerregion.h"
+#include "llviewerwindow.h"
 #include "llworld.h"
 #include "llworldmapview.h"		// shared draw code
 
 static LLDefaultChildRegistry::Register<LLNetMap> r1("net_map");
 
-const F32 MAP_SCALE_INCREMENT = 16;
-const F32 MAP_MIN_PICK_DIST = 4;
-const F32 MAX_PRIM_RADIUS = 256.0f; // Don't try to draw giant mega-prims on the mini map
+const F32 LLNetMap::MAP_SCALE_MIN = 32;
+const F32 LLNetMap::MAP_SCALE_MID = 1024;
+const F32 LLNetMap::MAP_SCALE_MAX = 4096;
+
+const F32 MAP_SCALE_ZOOM_FACTOR = 1.04f; // Zoom in factor per click of scroll wheel (4%)
+const F32 MIN_DOT_RADIUS = 3.5f;
+const F32 DOT_SCALE = 0.75f;
+const F32 MIN_PICK_SCALE = 2.f;
+const S32 MOUSE_DRAG_SLOP = 2;		// How far the mouse needs to move before we think it's a drag
+
+const F64 COARSEUPDATE_MAX_Z = 1020.0f;
 
 LLNetMap::LLNetMap (const Params & p)
 :	LLUICtrl (p),
@@ -76,50 +82,62 @@ LLNetMap::LLNetMap (const Params & p)
 	mPixelsPerMeter( MAP_SCALE_MID / REGION_WIDTH_METERS ),
 	mObjectMapTPM(0.f),
 	mObjectMapPixels(0.f),
-	mTargetPanX(0.f),
-	mTargetPanY(0.f),
-	mCurPanX(0.f),
-	mCurPanY(0.f),
-	mUpdateNow(FALSE),
-	mObjectImageCenterGlobal( gAgent.getCameraPositionGlobal() ),
+	mTargetPan(0.f, 0.f),
+	mCurPan(0.f, 0.f),
+	mStartPan(0.f, 0.f),
+	mMouseDown(0, 0),
+	mPanning(false),
+	mUpdateNow(false),
+	mObjectImageCenterGlobal( gAgentCamera.getCameraPositionGlobal() ),
 	mObjectRawImagep(),
 	mObjectImagep(),
 	mClosestAgentToCursor(),
 	mClosestAgentAtLastRightClick(),
-	mRotateMap(FALSE),
-	mToolTipMsg()
+	mToolTipMsg(),
+	mPopupMenu(NULL)
 {
+	mDotRadius = llmax(DOT_SCALE * mPixelsPerMeter, MIN_DOT_RADIUS);
+	setScale(gSavedSettings.getF32("MiniMapScale"));
 }
 
 LLNetMap::~LLNetMap()
 {
+	gSavedSettings.setF32("MiniMapScale", mScale);
+}
+
+BOOL LLNetMap::postBuild()
+{
+	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
+	
+	registrar.add("Minimap.Zoom", boost::bind(&LLNetMap::handleZoom, this, _2));
+	registrar.add("Minimap.Tracker", boost::bind(&LLNetMap::handleStopTracking, this, _2));
+
+	mPopupMenu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_mini_map.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
+	return TRUE;
 }
 
 void LLNetMap::setScale( F32 scale )
 {
-	mScale = llclamp(scale, 0.1f, 16.f*1024.f); // [reasonably small , unreasonably large]
+	scale = llclamp(scale, MAP_SCALE_MIN, MAP_SCALE_MAX);
+	mCurPan *= scale / mScale;
+	mScale = scale;
 	
 	if (mObjectImagep.notNull())
 	{
-		F32 half_width = (F32)(getRect().getWidth() / 2);
-		F32 half_height = (F32)(getRect().getHeight() / 2);
-		F32 radius = sqrt( half_width * half_width + half_height * half_height );
-		F32 region_widths = (2.f*radius)/mScale;
+		F32 width = (F32)(getRect().getWidth());
+		F32 height = (F32)(getRect().getHeight());
+		F32 diameter = sqrt(width * width + height * height);
+		F32 region_widths = diameter / mScale;
 		F32 meters = region_widths * LLWorld::getInstance()->getRegionWidthInMeters();
 		F32 num_pixels = (F32)mObjectImagep->getWidth();
-		mObjectMapTPM = num_pixels/meters;
-		mObjectMapPixels = 2.f*radius;
+		mObjectMapTPM = num_pixels / meters;
+		mObjectMapPixels = diameter;
 	}
 
 	mPixelsPerMeter = mScale / REGION_WIDTH_METERS;
+	mDotRadius = llmax(DOT_SCALE * mPixelsPerMeter, MIN_DOT_RADIUS);
 
-	mUpdateNow = TRUE;
-}
-
-void LLNetMap::translatePan( F32 delta_x, F32 delta_y )
-{
-	mTargetPanX += delta_x;
-	mTargetPanY += delta_y;
+	mUpdateNow = true;
 }
 
 
@@ -131,7 +149,7 @@ void LLNetMap::draw()
 	static LLUIColor map_avatar_color = LLUIColorTable::instance().getColor("MapAvatarColor", LLColor4::white);
 	static LLUIColor map_avatar_friend_color = LLUIColorTable::instance().getColor("MapAvatarFriendColor", LLColor4::white);
 	static LLUIColor map_track_color = LLUIColorTable::instance().getColor("MapTrackColor", LLColor4::white);
-	static LLUIColor map_track_disabled_color = LLUIColorTable::instance().getColor("MapTrackDisabledColor", LLColor4::white);
+	//static LLUIColor map_track_disabled_color = LLUIColorTable::instance().getColor("MapTrackDisabledColor", LLColor4::white);
 	static LLUIColor map_frustum_color = LLUIColorTable::instance().getColor("MapFrustumColor", LLColor4::white);
 	static LLUIColor map_frustum_rotating_color = LLUIColorTable::instance().getColor("MapFrustumRotatingColor", LLColor4::white);
 	
@@ -139,21 +157,34 @@ void LLNetMap::draw()
 	{
 		createObjectImage();
 	}
-	
-	mCurPanX = lerp(mCurPanX, mTargetPanX, LLCriticalDamp::getInterpolant(0.1f));
-	mCurPanY = lerp(mCurPanY, mTargetPanY, LLCriticalDamp::getInterpolant(0.1f));
+
+	static LLUICachedControl<bool> auto_center("MiniMapAutoCenter", true);
+	if (auto_center)
+	{
+		mCurPan = lerp(mCurPan, mTargetPan, LLSmoothInterpolation::getInterpolant(0.1f));
+	}
 
 	// Prepare a scissor region
 	F32 rotation = 0;
 
+	gGL.pushMatrix();
+	gGL.pushUIMatrix();
+	
+	LLVector3 offset = gGL.getUITranslation();
+	LLVector3 scale = gGL.getUIScale();
+
+	gGL.loadIdentity();
+	gGL.loadUIIdentity();
+
+	gGL.scalef(scale.mV[0], scale.mV[1], scale.mV[2]);
+	gGL.translatef(offset.mV[0], offset.mV[1], offset.mV[2]);
+	
 	{
-		LLGLEnable scissor(GL_SCISSOR_TEST);
-		
+		LLLocalClipRect clip(getLocalRect());
 		{
 			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-			LLLocalClipRect clip(getLocalRect());
 
-			glMatrixMode(GL_MODELVIEW);
+			gGL.matrixMode(LLRender::MM_MODELVIEW);
 
 			// Draw background rectangle
 			LLColor4 background_color = mBackgroundColor.get();
@@ -162,22 +193,23 @@ void LLNetMap::draw()
 		}
 
 		// 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);
+		S32 center_sw_left = getRect().getWidth() / 2 + llfloor(mCurPan.mV[VX]);
+		S32 center_sw_bottom = getRect().getHeight() / 2 + llfloor(mCurPan.mV[VY]);
 
 		gGL.pushMatrix();
 
 		gGL.translatef( (F32) center_sw_left, (F32) center_sw_bottom, 0.f);
 
-		if( mRotateMap )
+		static LLUICachedControl<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] );
-			glRotatef( rotation * RAD_TO_DEG, 0.f, 0.f, 1.f);
+			gGL.rotatef( rotation * RAD_TO_DEG, 0.f, 0.f, 1.f);
 		}
 
 		// figure out where agent is
-		S32 region_width = llround(LLWorld::getInstance()->getRegionWidthInMeters());
+		S32 region_width = ll_round(LLWorld::getInstance()->getRegionWidthInMeters());
 
 		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
 			 iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
@@ -185,7 +217,7 @@ void LLNetMap::draw()
 			LLViewerRegion* regionp = *iter;
 			// Find x and y position relative to camera's center.
 			LLVector3 origin_agent = regionp->getOriginAgent();
-			LLVector3 rel_region_pos = origin_agent - gAgent.getCameraPositionAgent();
+			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;
 
@@ -243,26 +275,24 @@ void LLNetMap::draw()
 			}
 			gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
 		}
-		
-
-		LLVector3d old_center = mObjectImageCenterGlobal;
-		LLVector3d new_center = gAgent.getCameraPositionGlobal();
-
-		new_center.mdV[0] = (5.f/mObjectMapTPM)*floor(0.2f*mObjectMapTPM*new_center.mdV[0]);
-		new_center.mdV[1] = (5.f/mObjectMapTPM)*floor(0.2f*mObjectMapTPM*new_center.mdV[1]);
-		new_center.mdV[2] = 0.f;
 
+		// Redraw object layer periodically
 		if (mUpdateNow || (map_timer.getElapsedTimeF32() > 0.5f))
 		{
-			mUpdateNow = FALSE;
-			mObjectImageCenterGlobal = new_center;
+			mUpdateNow = false;
+
+			// Locate the centre of the object layer, accounting for panning
+			LLVector3 new_center = globalPosToView(gAgentCamera.getCameraPositionGlobal());
+			new_center.mV[VX] -= mCurPan.mV[VX];
+			new_center.mV[VY] -= mCurPan.mV[VY];
+			new_center.mV[VZ] = 0.f;
+			mObjectImageCenterGlobal = viewPosToGlobal(llfloor(new_center.mV[VX]), llfloor(new_center.mV[VY]));
 
-			// Center moved enough.
 			// Create the base texture.
 			U8 *default_texture = mObjectRawImagep->getData();
 			memset( default_texture, 0, mObjectImagep->getWidth() * mObjectImagep->getHeight() * mObjectImagep->getComponents() );
 
-			// Draw buildings
+			// Draw objects
 			gObjectList.renderObjectsForMap(*this);
 
 			mObjectImagep->setSubImage(mObjectRawImagep, 0, 0, mObjectImagep->getWidth(), mObjectImagep->getHeight());
@@ -271,7 +301,8 @@ void LLNetMap::draw()
 		}
 
 		LLVector3 map_center_agent = gAgent.getPosAgentFromGlobal(mObjectImageCenterGlobal);
-		map_center_agent -= gAgent.getCameraPositionAgent();
+		LLVector3 camera_position = gAgentCamera.getCameraPositionAgent();
+		map_center_agent -= camera_position;
 		map_center_agent.mV[VX] *= mScale/region_width;
 		map_center_agent.mV[VY] *= mScale/region_width;
 
@@ -292,68 +323,80 @@ void LLNetMap::draw()
 
 		gGL.popMatrix();
 
-		LLVector3d pos_global;
-		LLVector3 pos_map;
-
 		// Mouse pointer in local coordinates
 		S32 local_mouse_x;
 		S32 local_mouse_y;
 		//localMouse(&local_mouse_x, &local_mouse_y);
 		LLUI::getMousePositionLocal(this, &local_mouse_x, &local_mouse_y);
 		mClosestAgentToCursor.setNull();
-		F32 closest_dist = F32_MAX;
+		F32 closest_dist_squared = F32_MAX; // value will be overridden in the loop
+		F32 min_pick_dist_squared = (mDotRadius * MIN_PICK_SCALE) * (mDotRadius * MIN_PICK_SCALE);
+
+		LLVector3 pos_map;
+		uuid_vec_t avatar_ids;
+		std::vector<LLVector3d> positions;
+		bool unknown_relative_z;
+
+		LLWorld::getInstance()->getAvatars(&avatar_ids, &positions, gAgentCamera.getCameraPositionGlobal());
 
 		// Draw avatars
-		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
-			 iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+		for (U32 i = 0; i < avatar_ids.size(); i++)
 		{
-			LLViewerRegion* regionp = *iter;
-			const LLVector3d& origin_global = regionp->getOriginGlobal();
-
-			S32 count = regionp->mMapAvatars.count();
-			S32 i;
-			LLVector3 pos_local;
-			U32 compact_local;
-			U8 bits;
-			// 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
-			for (i = 0; i < count; i++)
-			{
-				compact_local = regionp->mMapAvatars.get(i);
+			LLUUID uuid = avatar_ids[i];
+			// Skip self, we'll draw it later
+			if (uuid == gAgent.getID()) continue;
 
-				bits = compact_local & 0xFF;
-				pos_local.mV[VZ] = F32(bits) * 4.f;
-				compact_local >>= 8;
+			pos_map = globalPosToView(positions[i]);
 
-				bits = compact_local & 0xFF;
-				pos_local.mV[VY] = (F32)bits;
-				compact_local >>= 8;
+			bool show_as_friend = (LLAvatarTracker::instance().getBuddyInfo(uuid) != NULL);
 
-				bits = compact_local & 0xFF;
-				pos_local.mV[VX] = (F32)bits;
+			LLColor4 color = show_as_friend ? map_avatar_friend_color : map_avatar_color;
 
-				pos_global.setVec( pos_local );
-				pos_global += origin_global;
+			unknown_relative_z = positions[i].mdV[VZ] == COARSEUPDATE_MAX_Z &&
+					camera_position.mV[VZ] >= COARSEUPDATE_MAX_Z;
 
-				pos_map = globalPosToView(pos_global);
+			LLWorldMapView::drawAvatar(
+				pos_map.mV[VX], pos_map.mV[VY], 
+				color, 
+				pos_map.mV[VZ], mDotRadius,
+				unknown_relative_z);
 
-				BOOL show_as_friend = FALSE;
-				if( i < regionp->mMapAvatarIDs.count())
+			if(uuid.notNull())
+			{
+				bool selected = false;
+				uuid_vec_t::iterator sel_iter = gmSelected.begin();
+				for (; sel_iter != gmSelected.end(); sel_iter++)
 				{
-					show_as_friend = (LLAvatarTracker::instance().getBuddyInfo(regionp->mMapAvatarIDs.get(i)) != NULL);
+					if(*sel_iter == uuid)
+					{
+						selected = true;
+						break;
+					}
 				}
-				LLWorldMapView::drawAvatar(
-					pos_map.mV[VX], pos_map.mV[VY], 
-					show_as_friend ? map_avatar_friend_color : map_avatar_color, 
-					pos_map.mV[VZ]);
-
-				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 < MAP_MIN_PICK_DIST && dist_to_cursor < closest_dist)
+				if(selected)
 				{
-					closest_dist = dist_to_cursor;
-					mClosestAgentToCursor = regionp->mMapAvatarIDs.get(i);
+					if( (pos_map.mV[VX] < 0) ||
+						(pos_map.mV[VY] < 0) ||
+						(pos_map.mV[VX] >= getRect().getWidth()) ||
+						(pos_map.mV[VY] >= getRect().getHeight()) )
+					{
+						S32 x = ll_round( pos_map.mV[VX] );
+						S32 y = ll_round( pos_map.mV[VY] );
+						LLWorldMapView::drawTrackingCircle( getRect(), x, y, color, 1, 10);
+					} else
+					{
+						LLWorldMapView::drawTrackingDot(pos_map.mV[VX],pos_map.mV[VY],color,0.f);
+					}
 				}
 			}
+
+			F32	dist_to_cursor_squared = dist_vec_squared(LLVector2(pos_map.mV[VX], pos_map.mV[VY]),
+										  LLVector2(local_mouse_x,local_mouse_y));
+			if(dist_to_cursor_squared < min_pick_dist_squared && dist_to_cursor_squared < closest_dist_squared)
+			{
+				closest_dist_squared = dist_to_cursor_squared;
+				mClosestAgentToCursor = uuid;
+			}
 		}
 
 		// Draw dot for autopilot target
@@ -376,12 +419,24 @@ void LLNetMap::draw()
 		}
 
 		// Draw dot for self avatar position
-		pos_global = gAgent.getPositionGlobal();
+		LLVector3d pos_global = gAgent.getPositionGlobal();
 		pos_map = globalPosToView(pos_global);
-		LLUIImagePtr you = LLWorldMapView::sAvatarYouSmallImage;
-		you->draw(
-			llround(pos_map.mV[VX]) - you->getWidth()/2, 
-			llround(pos_map.mV[VY]) - you->getHeight()/2);
+		S32 dot_width = ll_round(mDotRadius * 2.f);
+		LLUIImagePtr you = LLWorldMapView::sAvatarYouLargeImage;
+		if (you)
+		{
+			you->draw(ll_round(pos_map.mV[VX] - mDotRadius),
+					  ll_round(pos_map.mV[VY] - mDotRadius),
+					  dot_width,
+					  dot_width);
+
+			F32	dist_to_cursor_squared = dist_vec_squared(LLVector2(pos_map.mV[VX], pos_map.mV[VY]),
+										  LLVector2(local_mouse_x,local_mouse_y));
+			if(dist_to_cursor_squared < min_pick_dist_squared && dist_to_cursor_squared < closest_dist_squared)
+			{
+				mClosestAgentToCursor = gAgent.getID();
+			}
+		}
 
 		// Draw frustum
 		F32 meters_to_pixels = mScale/ LLWorld::getInstance()->getRegionWidthInMeters();
@@ -399,7 +454,7 @@ void LLNetMap::draw()
 
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 
-		if( mRotateMap )
+		if( rotate_map )
 		{
 			gGL.color4fv((map_frustum_color()).mV);
 
@@ -416,7 +471,7 @@ void LLNetMap::draw()
 			// If we don't rotate the map, we have to rotate the frustum.
 			gGL.pushMatrix();
 				gGL.translatef( ctr_x, ctr_y, 0 );
-				glRotatef( atan2( LLViewerCamera::getInstance()->getAtAxis().mV[VX], LLViewerCamera::getInstance()->getAtAxis().mV[VY] ) * RAD_TO_DEG, 0.f, 0.f, -1.f);
+				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 );
@@ -426,12 +481,23 @@ void LLNetMap::draw()
 		}
 	}
 	
+	gGL.popMatrix();
+	gGL.popUIMatrix();
+
 	LLUICtrl::draw();
 }
 
-LLVector3 LLNetMap::globalPosToView( const LLVector3d& global_pos )
+void LLNetMap::reshape(S32 width, S32 height, BOOL called_from_parent)
 {
-	LLVector3d relative_pos_global = global_pos - gAgent.getCameraPositionGlobal();
+	LLUICtrl::reshape(width, height, called_from_parent);
+	createObjectImage();
+}
+
+LLVector3 LLNetMap::globalPosToView(const LLVector3d& global_pos)
+{
+	LLVector3d camera_position = gAgentCamera.getCameraPositionGlobal();
+
+	LLVector3d relative_pos_global = global_pos - camera_position;
 	LLVector3 pos_local;
 	pos_local.setVec(relative_pos_global);  // convert to floats from doubles
 
@@ -439,15 +505,16 @@ LLVector3 LLNetMap::globalPosToView( const LLVector3d& global_pos )
 	pos_local.mV[VY] *= mPixelsPerMeter;
 	// leave Z component in meters
 
-	if( mRotateMap )
+	static LLUICachedControl<bool> rotate_map("MiniMapRotate", true);
+	if( rotate_map )
 	{
 		F32 radians = atan2( LLViewerCamera::getInstance()->getAtAxis().mV[VX], LLViewerCamera::getInstance()->getAtAxis().mV[VY] );
 		LLQuaternion rot(radians, LLVector3(0.f, 0.f, 1.f));
 		pos_local.rotVec( rot );
 	}
 
-	pos_local.mV[VX] += getRect().getWidth() / 2 + mCurPanX;
-	pos_local.mV[VY] += getRect().getHeight() / 2 + mCurPanY;
+	pos_local.mV[VX] += getRect().getWidth() / 2 + mCurPan.mV[VX];
+	pos_local.mV[VY] += getRect().getHeight() / 2 + mCurPan.mV[VY];
 
 	return pos_local;
 }
@@ -455,7 +522,7 @@ LLVector3 LLNetMap::globalPosToView( const LLVector3d& global_pos )
 void LLNetMap::drawTracking(const LLVector3d& pos_global, const LLColor4& color, 
 							BOOL draw_arrow )
 {
-	LLVector3 pos_local = globalPosToView( pos_global );
+	LLVector3 pos_local = globalPosToView(pos_global);
 	if( (pos_local.mV[VX] < 0) ||
 		(pos_local.mV[VY] < 0) ||
 		(pos_local.mV[VX] >= getRect().getWidth()) ||
@@ -463,8 +530,8 @@ void LLNetMap::drawTracking(const LLVector3d& pos_global, const LLColor4& color,
 	{
 		if (draw_arrow)
 		{
-			S32 x = llround( pos_local.mV[VX] );
-			S32 y = llround( pos_local.mV[VY] );
+			S32 x = ll_round( pos_local.mV[VX] );
+			S32 y = ll_round( pos_local.mV[VY] );
 			LLWorldMapView::drawTrackingCircle( getRect(), x, y, color, 1, 10 );
 			LLWorldMapView::drawTrackingArrow( getRect(), x, y, color );
 		}
@@ -480,14 +547,15 @@ void LLNetMap::drawTracking(const LLVector3d& pos_global, const LLColor4& color,
 
 LLVector3d LLNetMap::viewPosToGlobal( S32 x, S32 y )
 {
-	x -= llround(getRect().getWidth() / 2 + mCurPanX);
-	y -= llround(getRect().getHeight() / 2 + mCurPanY);
+	x -= ll_round(getRect().getWidth() / 2 + mCurPan.mV[VX]);
+	y -= ll_round(getRect().getHeight() / 2 + mCurPan.mV[VY]);
 
 	LLVector3 pos_local( (F32)x, (F32)y, 0 );
 
 	F32 radians = - atan2( LLViewerCamera::getInstance()->getAtAxis().mV[VX], LLViewerCamera::getInstance()->getAtAxis().mV[VY] );
 
-	if( mRotateMap )
+	static LLUICachedControl<bool> rotate_map("MiniMapRotate", true);
+	if( rotate_map )
 	{
 		LLQuaternion rot(radians, LLVector3(0.f, 0.f, 1.f));
 		pos_local.rotVec( rot );
@@ -497,15 +565,29 @@ LLVector3d LLNetMap::viewPosToGlobal( S32 x, S32 y )
 	
 	LLVector3d pos_global;
 	pos_global.setVec( pos_local );
-	pos_global += gAgent.getCameraPositionGlobal();
+	pos_global += gAgentCamera.getCameraPositionGlobal();
 
 	return pos_global;
 }
 
 BOOL LLNetMap::handleScrollWheel(S32 x, S32 y, S32 clicks)
 {
-	// note that clicks are reversed from what you'd think
-	setScale(llclamp(mScale - clicks*MAP_SCALE_INCREMENT, MAP_SCALE_MIN, MAP_SCALE_MAX));
+	// note that clicks are reversed from what you'd think: i.e. > 0  means zoom out, < 0 means zoom in
+	F32 new_scale = mScale * pow(MAP_SCALE_ZOOM_FACTOR, -clicks);
+	F32 old_scale = mScale;
+
+	setScale(new_scale);
+
+	static LLUICachedControl<bool> auto_center("MiniMapAutoCenter", true);
+	if (!auto_center)
+	{
+		// Adjust pan to center the zoom on the mouse pointer
+		LLVector2 zoom_offset;
+		zoom_offset.mV[VX] = x - getRect().getWidth() / 2;
+		zoom_offset.mV[VY] = y - getRect().getHeight() / 2;
+		mCurPan -= zoom_offset * mScale / old_scale - zoom_offset;
+	}
+
 	return TRUE;
 }
 
@@ -515,45 +597,36 @@ BOOL LLNetMap::handleToolTip( S32 x, S32 y, MASK mask )
 	{
 		return FALSE;
 	}
-	
-	// mToolTipMsg = "[AGENT][REGION](Double-click to open Map)"
-	
-	LLStringUtil::format_map_t args;
-	std::string fullname;
-	if(mClosestAgentToCursor.notNull() && gCacheName->getFullName(mClosestAgentToCursor, fullname))
-	{
-		args["[AGENT]"] = fullname + "\n";
-	}
-	else
-	{
-		args["[AGENT]"] = "";
-	}
-	
-	LLViewerRegion*	region = LLWorld::getInstance()->getRegionFromPosGlobal( viewPosToGlobal( x, y ) );
-	if( region )
-	{
-		args["[REGION]"] = region->getName() + "\n";
-	}
-	else
+
+	// If the cursor is near an avatar on the minimap, a mini-inspector will be
+	// shown for the avatar, instead of the normal map tooltip.
+	if (handleToolTipAgent(mClosestAgentToCursor))
 	{
-		args["[REGION]"] = "";
+		return TRUE;
 	}
-	
-	std::string msg = mToolTipMsg;
-	LLStringUtil::format(msg, args);
-	
+
 	LLRect sticky_rect;
-	// set sticky_rect
-	if (region)
+	std::string region_name;
+	LLViewerRegion*	region = LLWorld::getInstance()->getRegionFromPosGlobal( viewPosToGlobal( x, y ) );
+	if(region)
 	{
+		// set sticky_rect
 		S32 SLOP = 4;
-		localPointToScreen( 
-			x - SLOP, y - SLOP, 
-			&(sticky_rect.mLeft), &(sticky_rect.mBottom) );
+		localPointToScreen(x - SLOP, y - SLOP, &(sticky_rect.mLeft), &(sticky_rect.mBottom));
 		sticky_rect.mRight = sticky_rect.mLeft + 2 * SLOP;
 		sticky_rect.mTop = sticky_rect.mBottom + 2 * SLOP;
+
+		region_name = region->getName();
+		if (!region_name.empty())
+		{
+			region_name += "\n";
+		}
 	}
 
+	LLStringUtil::format_map_t args;
+	args["[REGION]"] = region_name;
+	std::string msg = mToolTipMsg;
+	LLStringUtil::format(msg, args);
 	LLToolTipMgr::instance().show(LLToolTip::Params()
 		.message(msg)
 		.sticky_rect(sticky_rect));
@@ -561,15 +634,57 @@ BOOL LLNetMap::handleToolTip( S32 x, S32 y, MASK mask )
 	return TRUE;
 }
 
+BOOL LLNetMap::handleToolTipAgent(const LLUUID& avatar_id)
+{
+	LLAvatarName av_name;
+	if (avatar_id.isNull() || !LLAvatarNameCache::get(avatar_id, &av_name))
+	{
+		return FALSE;
+	}
+
+	// only show tooltip if same inspector not already open
+	LLFloater* existing_inspector = LLFloaterReg::findInstance("inspect_avatar");
+	if (!existing_inspector
+		|| !existing_inspector->getVisible()
+		|| existing_inspector->getKey()["avatar_id"].asUUID() != avatar_id)
+	{
+		LLInspector::Params p;
+		p.fillFrom(LLUICtrlFactory::instance().getDefaultParams<LLInspector>());
+		p.message(av_name.getCompleteName());
+		p.image.name("Inspector_I");
+		p.click_callback(boost::bind(showAvatarInspector, avatar_id));
+		p.visible_time_near(6.f);
+		p.visible_time_far(3.f);
+		p.delay_time(0.35f);
+		p.wrap(false);
+
+		LLToolTipMgr::instance().show(p);
+	}
+	return TRUE;
+}
+
+// static
+void LLNetMap::showAvatarInspector(const LLUUID& avatar_id)
+{
+	LLSD params;
+	params["avatar_id"] = avatar_id;
+
+	if (LLToolTipMgr::instance().toolTipVisible())
+	{
+		LLRect rect = LLToolTipMgr::instance().getToolTipRect();
+		params["pos"]["x"] = rect.mLeft;
+		params["pos"]["y"] = rect.mTop;
+	}
+
+	LLFloaterReg::showInstance("inspect_avatar", params);
+}
 
 void LLNetMap::renderScaledPointGlobal( const LLVector3d& pos, const LLColor4U &color, F32 radius_meters )
 {
 	LLVector3 local_pos;
 	local_pos.setVec( pos - mObjectImageCenterGlobal );
 
-	F32 radius_clamped = llmin(radius_meters, MAX_PRIM_RADIUS);
-	
-	S32 diameter_pixels = llround(2 * radius_clamped * mObjectMapTPM);
+	S32 diameter_pixels = ll_round(2 * radius_meters * mObjectMapTPM);
 	renderPoint( local_pos, color, diameter_pixels );
 }
 
@@ -585,8 +700,8 @@ void LLNetMap::renderPoint(const LLVector3 &pos_local, const LLColor4U &color,
 	const S32 image_width = (S32)mObjectImagep->getWidth();
 	const S32 image_height = (S32)mObjectImagep->getHeight();
 
-	S32 x_offset = llround(pos_local.mV[VX] * mObjectMapTPM + image_width / 2);
-	S32 y_offset = llround(pos_local.mV[VY] * mObjectMapTPM + image_height / 2);
+	S32 x_offset = ll_round(pos_local.mV[VX] * mObjectMapTPM + image_width / 2);
+	S32 y_offset = ll_round(pos_local.mV[VY] * mObjectMapTPM + image_height / 2);
 
 	if ((x_offset < 0) || (x_offset >= image_width))
 	{
@@ -662,13 +777,13 @@ void LLNetMap::renderPoint(const LLVector3 &pos_local, const LLColor4U &color,
 void LLNetMap::createObjectImage()
 {
 	// Find the size of the side of a square that surrounds the circle that surrounds getRect().
-	F32 half_width = (F32)(getRect().getWidth() / 2);
-	F32 half_height = (F32)(getRect().getHeight() / 2);
-	F32 radius = sqrt( half_width * half_width + half_height * half_height );
-	S32 square_size = S32( 2 * radius );
+	// ... which is, the diagonal of the rect.
+	F32 width = (F32)getRect().getWidth();
+	F32 height = (F32)getRect().getHeight();
+	S32 square_size = ll_round( sqrt(width*width + height*height) );
 
 	// Find the least power of two >= the minimum size.
-	const S32 MIN_SIZE = 32;
+	const S32 MIN_SIZE = 64;
 	const S32 MAX_SIZE = 256;
 	S32 img_size = MIN_SIZE;
 	while( (img_size*2 < square_size ) && (img_size < MAX_SIZE) )
@@ -684,7 +799,193 @@ void LLNetMap::createObjectImage()
 		U8* data = mObjectRawImagep->getData();
 		memset( data, 0, img_size * img_size * 4 );
 		mObjectImagep = LLViewerTextureManager::getLocalTexture( mObjectRawImagep.get(), FALSE);
-		setScale(mScale);
 	}
-	mUpdateNow = TRUE;
+	setScale(mScale);
+	mUpdateNow = true;
+}
+
+BOOL LLNetMap::handleMouseDown( S32 x, S32 y, MASK mask )
+{
+	if (!(mask & MASK_SHIFT)) return FALSE;
+
+	// Start panning
+	gFocusMgr.setMouseCapture(this);
+
+	mStartPan = mCurPan;
+	mMouseDown.mX = x;
+	mMouseDown.mY = y;
+	return TRUE;
+}
+
+BOOL LLNetMap::handleMouseUp( S32 x, S32 y, MASK mask )
+{
+	if(abs(mMouseDown.mX-x)<3 && abs(mMouseDown.mY-y)<3)
+		handleClick(x,y,mask);
+
+	if (hasMouseCapture())
+	{
+		if (mPanning)
+		{
+			// restore mouse cursor
+			S32 local_x, local_y;
+			local_x = mMouseDown.mX + llfloor(mCurPan.mV[VX] - mStartPan.mV[VX]);
+			local_y = mMouseDown.mY + llfloor(mCurPan.mV[VY] - mStartPan.mV[VY]);
+			LLRect clip_rect = getRect();
+			clip_rect.stretch(-8);
+			clip_rect.clipPointToRect(mMouseDown.mX, mMouseDown.mY, local_x, local_y);
+			LLUI::setMousePositionLocal(this, local_x, local_y);
+
+			// finish the pan
+			mPanning = false;
+
+			mMouseDown.set(0, 0);
+
+			// auto centre
+			mTargetPan.setZero();
+		}
+		gViewerWindow->showCursor();
+		gFocusMgr.setMouseCapture(NULL);
+		return TRUE;
+	}
+	return FALSE;
+}
+
+BOOL LLNetMap::handleRightMouseDown(S32 x, S32 y, MASK mask)
+{
+	if (mPopupMenu)
+	{
+		mPopupMenu->buildDrawLabels();
+		mPopupMenu->updateParent(LLMenuGL::sMenuContainer);
+		mPopupMenu->setItemEnabled("Stop Tracking", LLTracker::isTracking(0));
+		LLMenuGL::showPopup(this, mPopupMenu, x, y);
+	}
+	return TRUE;
+}
+
+BOOL LLNetMap::handleClick(S32 x, S32 y, MASK mask)
+{
+	// TODO: allow clicking an avatar on minimap to select avatar in the nearby avatar list
+	// if(mClosestAgentToCursor.notNull())
+	//     mNearbyList->selectUser(mClosestAgentToCursor);
+	// Needs a registered observer i guess to accomplish this without using
+	// globals to tell the mNearbyList in llpeoplepanel to select the user
+	return TRUE;
+}
+
+BOOL LLNetMap::handleDoubleClick(S32 x, S32 y, MASK mask)
+{
+	LLVector3d pos_global = viewPosToGlobal(x, y);
+
+	bool double_click_teleport = gSavedSettings.getBOOL("DoubleClickTeleport");
+	bool double_click_show_world_map = gSavedSettings.getBOOL("DoubleClickShowWorldMap");
+
+	if (double_click_teleport || double_click_show_world_map)
+	{
+		// If we're not tracking a beacon already, double-click will set one 
+		if (!LLTracker::isTracking(NULL))
+		{
+			LLFloaterWorldMap* world_map = LLFloaterWorldMap::getInstance();
+			if (world_map)
+			{
+				world_map->trackLocation(pos_global);
+			}
+		}
+	}
+
+	if (double_click_teleport)
+	{
+		// If DoubleClickTeleport is on, double clicking the minimap will teleport there
+		gAgent.teleportViaLocationLookAt(pos_global);
+	}
+	else if (double_click_show_world_map)
+	{
+		LLFloaterReg::showInstance("world_map");
+	}
+	return TRUE;
+}
+
+// static
+bool LLNetMap::outsideSlop( S32 x, S32 y, S32 start_x, S32 start_y, S32 slop )
+{
+	S32 dx = x - start_x;
+	S32 dy = y - start_y;
+
+	return (dx <= -slop || slop <= dx || dy <= -slop || slop <= dy);
+}
+
+BOOL LLNetMap::handleHover( S32 x, S32 y, MASK mask )
+{
+	if (hasMouseCapture())
+	{
+		if (mPanning || outsideSlop(x, y, mMouseDown.mX, mMouseDown.mY, MOUSE_DRAG_SLOP))
+		{
+			if (!mPanning)
+			{
+				// just started panning, so hide cursor
+				mPanning = true;
+				gViewerWindow->hideCursor();
+			}
+
+			LLVector2 delta(static_cast<F32>(gViewerWindow->getCurrentMouseDX()),
+							static_cast<F32>(gViewerWindow->getCurrentMouseDY()));
+
+			// Set pan to value at start of drag + offset
+			mCurPan += delta;
+			mTargetPan = mCurPan;
+
+			gViewerWindow->moveCursorToCenter();
+		}
+
+		// Doesn't really matter, cursor should be hidden
+		gViewerWindow->setCursor( UI_CURSOR_TOOLPAN );
+	}
+	else
+	{
+		if (mask & MASK_SHIFT)
+		{
+			// If shift is held, change the cursor to hint that the map can be dragged
+			gViewerWindow->setCursor( UI_CURSOR_TOOLPAN );
+		}
+		else
+		{
+			gViewerWindow->setCursor( UI_CURSOR_CROSS );
+		}
+	}
+
+	return TRUE;
+}
+
+void LLNetMap::handleZoom(const LLSD& userdata)
+{
+	std::string level = userdata.asString();
+	
+	F32 scale = 0.0f;
+	if (level == std::string("default"))
+	{
+		LLControlVariable *pvar = gSavedSettings.getControl("MiniMapScale");
+		if(pvar)
+		{
+			pvar->resetToDefault();
+			scale = gSavedSettings.getF32("MiniMapScale");
+		}
+	}
+	else if (level == std::string("close"))
+		scale = LLNetMap::MAP_SCALE_MAX;
+	else if (level == std::string("medium"))
+		scale = LLNetMap::MAP_SCALE_MID;
+	else if (level == std::string("far"))
+		scale = LLNetMap::MAP_SCALE_MIN;
+	if (scale != 0.0f)
+	{
+		setScale(scale);
+	}
+}
+
+void LLNetMap::handleStopTracking (const LLSD& userdata)
+{
+	if (mPopupMenu)
+	{
+		mPopupMenu->setItemEnabled ("Stop Tracking", false);
+		LLTracker::stopTracking ((void*)LLTracker::isTracking(NULL));
+	}
 }