1 files changed, 126 insertions, 42 deletions

diff --git a/indra/newview/llagentcamera.cpp b/indra/newview/llagentcamera.cpp
index 85b7d7b06f..9e65409256 100644
--- a/indra/newview/llagentcamera.cpp
+++ b/indra/newview/llagentcamera.cpp
@@ -184,6 +184,9 @@ LLAgentCamera::LLAgentCamera() :
 	clearGeneralKeys();
 	clearOrbitKeys();
 	clearPanKeys();
+
+	resetPanDiff();
+	resetOrbitDiff();
 }
 
 // Requires gSavedSettings to be initialized.
@@ -205,15 +208,10 @@ void LLAgentCamera::init()
 
 	mCameraFocusOffsetTarget = LLVector4(gSavedSettings.getVector3("CameraOffsetBuild"));
 	
-	mCameraPreset = (ECameraPreset) gSavedSettings.getU32("CameraPreset");
-
-	mCameraOffsetInitial[CAMERA_PRESET_REAR_VIEW] = gSavedSettings.getControl("CameraOffsetRearView");
-	mCameraOffsetInitial[CAMERA_PRESET_FRONT_VIEW] = gSavedSettings.getControl("CameraOffsetFrontView");
-	mCameraOffsetInitial[CAMERA_PRESET_GROUP_VIEW] = gSavedSettings.getControl("CameraOffsetGroupView");
+	mCameraPreset = (ECameraPreset) gSavedSettings.getU32("CameraPresetType");
 
-	mFocusOffsetInitial[CAMERA_PRESET_REAR_VIEW] = gSavedSettings.getControl("FocusOffsetRearView");
-	mFocusOffsetInitial[CAMERA_PRESET_FRONT_VIEW] = gSavedSettings.getControl("FocusOffsetFrontView");
-	mFocusOffsetInitial[CAMERA_PRESET_GROUP_VIEW] = gSavedSettings.getControl("FocusOffsetGroupView");
+	mCameraOffsetInitial = gSavedSettings.getControl("CameraOffsetRearView");
+	mFocusOffsetInitial = gSavedSettings.getControl("FocusOffsetRearView");
 
 	mCameraCollidePlane.clearVec();
 	mCurrentCameraDistance = getCameraOffsetInitial().magVec() * gSavedSettings.getF32("CameraOffsetScale");
@@ -353,7 +351,8 @@ void LLAgentCamera::resetView(BOOL reset_camera, BOOL change_camera)
 
 		mCameraFOVZoomFactor = 0.f;
 	}
-
+	resetPanDiff();
+	resetOrbitDiff();
 	mHUDTargetZoom = 1.f;
 }
 
@@ -723,7 +722,7 @@ BOOL LLAgentCamera::calcCameraMinDistance(F32 &obj_min_distance)
 	return TRUE;
 }
 
-F32 LLAgentCamera::getCameraZoomFraction()
+F32 LLAgentCamera::getCameraZoomFraction(bool get_third_person)
 {
 	// 0.f -> camera zoomed all the way out
 	// 1.f -> camera zoomed all the way in
@@ -733,7 +732,7 @@ F32 LLAgentCamera::getCameraZoomFraction()
 		// already [0,1]
 		return mHUDTargetZoom;
 	}
-	else if (mFocusOnAvatar && cameraThirdPerson())
+	else if (get_third_person || (mFocusOnAvatar && cameraThirdPerson()))
 	{
 		return clamp_rescale(mCameraZoomFraction, MIN_ZOOM_FRACTION, MAX_ZOOM_FRACTION, 1.f, 0.f);
 	}
@@ -795,13 +794,16 @@ void LLAgentCamera::setCameraZoomFraction(F32 fraction)
 
 		if (mFocusObject.notNull())
 		{
-			if (mFocusObject->isAvatar())
+			if (mFocusObject.notNull())
 			{
-				min_zoom = AVATAR_MIN_ZOOM;
-			}
-			else
-			{
-				min_zoom = OBJECT_MIN_ZOOM;
+				if (mFocusObject->isAvatar())
+				{
+					min_zoom = AVATAR_MIN_ZOOM;
+				}
+				else
+				{
+					min_zoom = OBJECT_MIN_ZOOM;
+				}
 			}
 		}
 
@@ -835,6 +837,7 @@ void LLAgentCamera::cameraOrbitAround(const F32 radians)
 	}
 	else
 	{
+		mOrbitAroundRadians += radians;
 		mCameraFocusOffsetTarget.rotVec(radians, 0.f, 0.f, 1.f);
 		
 		cameraZoomIn(1.f);
@@ -866,12 +869,34 @@ void LLAgentCamera::cameraOrbitOver(const F32 angle)
 		LLVector3d left_axis;
 		left_axis.setVec(LLViewerCamera::getInstance()->getLeftAxis());
 		F32 new_angle = llclamp(angle_from_up - angle, 1.f * DEG_TO_RAD, 179.f * DEG_TO_RAD);
+		mOrbitOverAngle += angle_from_up - new_angle;
 		mCameraFocusOffsetTarget.rotVec(angle_from_up - new_angle, left_axis);
 
 		cameraZoomIn(1.f);
 	}
 }
 
+void LLAgentCamera::resetCameraOrbit()
+{
+	LLVector3 camera_offset_unit(mCameraFocusOffsetTarget);
+	camera_offset_unit.normalize();
+
+	LLVector3d left_axis;
+	left_axis.setVec(LLViewerCamera::getInstance()->getLeftAxis());
+	mCameraFocusOffsetTarget.rotVec(-mOrbitOverAngle, left_axis);
+	
+	mCameraFocusOffsetTarget.rotVec(-mOrbitAroundRadians, 0.f, 0.f, 1.f);
+
+	cameraZoomIn(1.f);
+	resetOrbitDiff();
+}
+
+void LLAgentCamera::resetOrbitDiff()
+{
+	mOrbitAroundRadians = 0;
+	mOrbitOverAngle = 0;
+}
+
 //-----------------------------------------------------------------------------
 // cameraZoomIn()
 //-----------------------------------------------------------------------------
@@ -1010,6 +1035,8 @@ void LLAgentCamera::cameraPanIn(F32 meters)
 	LLVector3d at_axis;
 	at_axis.setVec(LLViewerCamera::getInstance()->getAtAxis());
 
+	mPanFocusDiff += meters * at_axis;
+
 	mFocusTargetGlobal += meters * at_axis;
 	mFocusGlobal = mFocusTargetGlobal;
 	// don't enforce zoom constraints as this is the only way for users to get past them easily
@@ -1026,6 +1053,8 @@ void LLAgentCamera::cameraPanLeft(F32 meters)
 	LLVector3d left_axis;
 	left_axis.setVec(LLViewerCamera::getInstance()->getLeftAxis());
 
+	mPanFocusDiff += meters * left_axis;
+
 	mFocusTargetGlobal += meters * left_axis;
 	mFocusGlobal = mFocusTargetGlobal;
 
@@ -1046,6 +1075,8 @@ void LLAgentCamera::cameraPanUp(F32 meters)
 	LLVector3d up_axis;
 	up_axis.setVec(LLViewerCamera::getInstance()->getUpAxis());
 
+	mPanFocusDiff += meters * up_axis;
+
 	mFocusTargetGlobal += meters * up_axis;
 	mFocusGlobal = mFocusTargetGlobal;
 
@@ -1058,6 +1089,26 @@ void LLAgentCamera::cameraPanUp(F32 meters)
 	mCameraSmoothingLastPositionGlobal = calcCameraPositionTargetGlobal();
 }
 
+void LLAgentCamera::resetCameraPan()
+{
+	mFocusTargetGlobal -= mPanFocusDiff;
+
+	mFocusGlobal = mFocusTargetGlobal;
+	mCameraSmoothingStop = true;
+
+	cameraZoomIn(1.f);
+	updateFocusOffset();
+
+	mCameraSmoothingLastPositionGlobal = calcCameraPositionTargetGlobal();
+
+	resetPanDiff();
+}
+
+void LLAgentCamera::resetPanDiff()
+{
+	mPanFocusDiff.clear();
+}
+
 //-----------------------------------------------------------------------------
 // updateLookAt()
 //-----------------------------------------------------------------------------
@@ -1609,7 +1660,7 @@ LLVector3d LLAgentCamera::calcThirdPersonFocusOffset()
 		agent_rot *= ((LLViewerObject*)(gAgentAvatarp->getParent()))->getRenderRotation();
 	}
 
-	focus_offset = convert_from_llsd<LLVector3d>(mFocusOffsetInitial[mCameraPreset]->get(), TYPE_VEC3D, "");
+	focus_offset = convert_from_llsd<LLVector3d>(mFocusOffsetInitial->get(), TYPE_VEC3D, "");
 	return focus_offset * agent_rot;
 }
 
@@ -1684,7 +1735,7 @@ LLVector3d LLAgentCamera::calcCameraPositionTargetGlobal(BOOL *hit_limit)
 	F32			camera_land_height;
 	LLVector3d	frame_center_global = !isAgentAvatarValid() ? 
 		gAgent.getPositionGlobal() :
-		gAgent.getPosGlobalFromAgent(gAgentAvatarp->mRoot->getWorldPosition());
+		gAgent.getPosGlobalFromAgent(getAvatarRootPosition());
 	
 	BOOL		isConstrained = FALSE;
 	LLVector3d	head_offset;
@@ -1758,7 +1809,7 @@ LLVector3d LLAgentCamera::calcCameraPositionTargetGlobal(BOOL *hit_limit)
 				at_axis.mV[VZ] = 0.f;
 				at_axis.normalize();
 				gAgent.resetAxes(at_axis * ~parent_rot);
-
+				
 				local_camera_offset = local_camera_offset * gAgent.getFrameAgent().getQuaternion() * parent_rot;
 			}
 			else
@@ -1939,9 +1990,38 @@ LLVector3d LLAgentCamera::calcCameraPositionTargetGlobal(BOOL *hit_limit)
 }
 
 
+LLVector3 LLAgentCamera::getCurrentCameraOffset()
+{
+	return (LLViewerCamera::getInstance()->getOrigin() - getAvatarRootPosition() - mThirdPersonHeadOffset) * ~getCurrentAvatarRotation();
+}
+
+LLVector3d LLAgentCamera::getCurrentFocusOffset()
+{
+	return (mFocusTargetGlobal - gAgent.getPositionGlobal()) * ~getCurrentAvatarRotation();
+}
+
+LLQuaternion LLAgentCamera::getCurrentAvatarRotation()
+{
+	LLViewerObject* sit_object = (LLViewerObject*)gAgentAvatarp->getParent();
+	
+	LLQuaternion av_rot = gAgent.getFrameAgent().getQuaternion();
+	LLQuaternion obj_rot = sit_object ? sit_object->getRenderRotation() : LLQuaternion::DEFAULT;
+	return av_rot * obj_rot;
+}
+
+bool LLAgentCamera::isJoystickCameraUsed()
+{
+	return ((mOrbitAroundRadians != 0) || (mOrbitOverAngle != 0) || !mPanFocusDiff.isNull());
+}
+
 LLVector3 LLAgentCamera::getCameraOffsetInitial()
 {
-	return convert_from_llsd<LLVector3>(mCameraOffsetInitial[mCameraPreset]->get(), TYPE_VEC3, "");
+	return convert_from_llsd<LLVector3>(mCameraOffsetInitial->get(), TYPE_VEC3, "");
+}
+
+LLVector3d LLAgentCamera::getFocusOffsetInitial()
+{
+	return convert_from_llsd<LLVector3d>(mFocusOffsetInitial->get(), TYPE_VEC3D, "");
 }
 
 F32 LLAgentCamera::getCameraMaxZoomDistance()
@@ -1952,6 +2032,12 @@ F32 LLAgentCamera::getCameraMaxZoomDistance()
                  LLWorld::getInstance()->getRegionWidthInMeters() - CAMERA_FUDGE_FROM_OBJECT);
 }
 
+LLVector3 LLAgentCamera::getAvatarRootPosition()
+{
+    static LLCachedControl<bool> use_hover_height(gSavedSettings, "HoverHeightAffectsCamera");
+    return use_hover_height ? gAgentAvatarp->mRoot->getWorldPosition() : gAgentAvatarp->mRoot->getWorldPosition() - gAgentAvatarp->getHoverOffset();
+
+}
 //-----------------------------------------------------------------------------
 // handleScrollWheel()
 //-----------------------------------------------------------------------------
@@ -2231,15 +2317,7 @@ void LLAgentCamera::changeCameraToThirdPerson(BOOL animate)
 	}
 
 	// Remove any pitch from the avatar
-	if (isAgentAvatarValid() && gAgentAvatarp->getParent())
-	{
-		LLQuaternion obj_rot = ((LLViewerObject*)gAgentAvatarp->getParent())->getRenderRotation();
-		at_axis = LLViewerCamera::getInstance()->getAtAxis();
-		at_axis.mV[VZ] = 0.f;
-		at_axis.normalize();
-		gAgent.resetAxes(at_axis * ~obj_rot);
-	}
-	else
+	if (!isAgentAvatarValid() || !gAgentAvatarp->getParent())
 	{
 		at_axis = gAgent.getFrameAgent().getAtAxis();
 		at_axis.mV[VZ] = 0.f;
@@ -2338,7 +2416,10 @@ void LLAgentCamera::switchCameraPreset(ECameraPreset preset)
 
 	mCameraPreset = preset;
 
-	gSavedSettings.setU32("CameraPreset", mCameraPreset);
+	resetPanDiff();
+	resetOrbitDiff();
+
+	gSavedSettings.setU32("CameraPresetType", mCameraPreset);
 }
 
 
@@ -2583,7 +2664,7 @@ void LLAgentCamera::setSitCamera(const LLUUID &object_id, const LLVector3 &camer
 //-----------------------------------------------------------------------------
 // setFocusOnAvatar()
 //-----------------------------------------------------------------------------
-void LLAgentCamera::setFocusOnAvatar(BOOL focus_on_avatar, BOOL animate)
+void LLAgentCamera::setFocusOnAvatar(BOOL focus_on_avatar, BOOL animate, BOOL reset_axes)
 {
 	if (focus_on_avatar != mFocusOnAvatar)
 	{
@@ -2600,22 +2681,14 @@ void LLAgentCamera::setFocusOnAvatar(BOOL focus_on_avatar, BOOL animate)
 	//RN: when focused on the avatar, we're not "looking" at it
 	// looking implies intent while focusing on avatar means
 	// you're just walking around with a camera on you...eesh.
-	if (!mFocusOnAvatar && focus_on_avatar)
+	if (!mFocusOnAvatar && focus_on_avatar && reset_axes)
 	{
 		setFocusGlobal(LLVector3d::zero);
 		mCameraFOVZoomFactor = 0.f;
 		if (mCameraMode == CAMERA_MODE_THIRD_PERSON)
 		{
 			LLVector3 at_axis;
-			if (isAgentAvatarValid() && gAgentAvatarp->getParent())
-			{
-				LLQuaternion obj_rot = ((LLViewerObject*)gAgentAvatarp->getParent())->getRenderRotation();
-				at_axis = LLViewerCamera::getInstance()->getAtAxis();
-				at_axis.mV[VZ] = 0.f;
-				at_axis.normalize();
-				gAgent.resetAxes(at_axis * ~obj_rot);
-			}
-			else
+			if (!isAgentAvatarValid() || !gAgentAvatarp->getParent())
 			{
 				at_axis = LLViewerCamera::getInstance()->getAtAxis();
 				at_axis.mV[VZ] = 0.f;
@@ -2763,6 +2836,17 @@ BOOL LLAgentCamera::setPointAt(EPointAtType target_type, LLViewerObject *object,
 	return mPointAt->setPointAt(target_type, object, position);
 }
 
+void LLAgentCamera::rotateToInitSitRot()
+{
+	gAgent.rotate(~gAgent.getFrameAgent().getQuaternion());
+	gAgent.rotate(mInitSitRot);
+}
+
+void LLAgentCamera::resetCameraZoomFraction()
+{ 
+	mCameraZoomFraction = INITIAL_ZOOM_FRACTION; 
+}
+
 ELookAtType LLAgentCamera::getLookAtType()
 {
 	if (mLookAt)