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-rw-r--r--indra/newview/lltoolpie.cpp415
1 files changed, 334 insertions, 81 deletions
diff --git a/indra/newview/lltoolpie.cpp b/indra/newview/lltoolpie.cpp
index 864de018e0..9549f180df 100644
--- a/indra/newview/lltoolpie.cpp
+++ b/indra/newview/lltoolpie.cpp
@@ -34,6 +34,7 @@
#include "llagent.h"
#include "llagentcamera.h"
+#include "llavatarnamecache.h"
#include "llviewercontrol.h"
#include "llfocusmgr.h"
//#include "llfirstuse.h"
@@ -78,11 +79,16 @@ static ECursorType cursor_from_parcel_media(U8 click_action);
LLToolPie::LLToolPie()
: LLTool(std::string("Pie")),
- mGrabMouseButtonDown( FALSE ),
- mMouseOutsideSlop( FALSE ),
- mClickAction(0)
-{ }
-
+ mMouseButtonDown( false ),
+ mMouseOutsideSlop( false ),
+ mMouseSteerX(-1),
+ mMouseSteerY(-1),
+ mBlockClickToWalk(false),
+ mClickAction(0),
+ mClickActionBuyEnabled( gSavedSettings.getBOOL("ClickActionBuyEnabled") ),
+ mClickActionPayEnabled( gSavedSettings.getBOOL("ClickActionPayEnabled") )
+{
+}
BOOL LLToolPie::handleAnyMouseClick(S32 x, S32 y, MASK mask, EClickType clicktype, BOOL down)
{
@@ -96,12 +102,17 @@ BOOL LLToolPie::handleAnyMouseClick(S32 x, S32 y, MASK mask, EClickType clicktyp
BOOL LLToolPie::handleMouseDown(S32 x, S32 y, MASK mask)
{
+ mMouseOutsideSlop = FALSE;
+ mMouseDownX = x;
+ mMouseDownY = y;
+
//left mouse down always picks transparent
mPick = gViewerWindow->pickImmediate(x, y, TRUE);
mPick.mKeyMask = mask;
- mGrabMouseButtonDown = TRUE;
+
+ mMouseButtonDown = true;
- pickLeftMouseDownCallback();
+ handleLeftClickPick();
return TRUE;
}
@@ -116,7 +127,7 @@ BOOL LLToolPie::handleRightMouseDown(S32 x, S32 y, MASK mask)
// claim not handled so UI focus stays same
- pickRightMouseDownCallback();
+ handleRightClickPick();
return FALSE;
}
@@ -133,7 +144,7 @@ BOOL LLToolPie::handleScrollWheel(S32 x, S32 y, S32 clicks)
}
// True if you selected an object.
-BOOL LLToolPie::pickLeftMouseDownCallback()
+BOOL LLToolPie::handleLeftClickPick()
{
S32 x = mPick.mMousePt.mX;
S32 y = mPick.mMousePt.mY;
@@ -210,12 +221,28 @@ BOOL LLToolPie::pickLeftMouseDownCallback()
} // else nothing (fall through to touch)
}
case CLICK_ACTION_PAY:
- if ((object && object->flagTakesMoney())
- || (parent && parent->flagTakesMoney()))
+ if ( mClickActionPayEnabled )
+ {
+ if ((object && object->flagTakesMoney())
+ || (parent && parent->flagTakesMoney()))
+ {
+ // pay event goes to object actually clicked on
+ mClickActionObject = object;
+ mLeftClickSelection = LLToolSelect::handleObjectSelection(mPick, FALSE, TRUE);
+ if (LLSelectMgr::getInstance()->selectGetAllValid())
+ {
+ // call this right away, since we have all the info we need to continue the action
+ selectionPropertiesReceived();
+ }
+ return TRUE;
+ }
+ }
+ break;
+ case CLICK_ACTION_BUY:
+ if ( mClickActionBuyEnabled )
{
- // pay event goes to object actually clicked on
- mClickActionObject = object;
- mLeftClickSelection = LLToolSelect::handleObjectSelection(mPick, FALSE, TRUE);
+ mClickActionObject = parent;
+ mLeftClickSelection = LLToolSelect::handleObjectSelection(mPick, FALSE, TRUE, TRUE);
if (LLSelectMgr::getInstance()->selectGetAllValid())
{
// call this right away, since we have all the info we need to continue the action
@@ -224,15 +251,6 @@ BOOL LLToolPie::pickLeftMouseDownCallback()
return TRUE;
}
break;
- case CLICK_ACTION_BUY:
- mClickActionObject = parent;
- mLeftClickSelection = LLToolSelect::handleObjectSelection(mPick, FALSE, TRUE, TRUE);
- if (LLSelectMgr::getInstance()->selectGetAllValid())
- {
- // call this right away, since we have all the info we need to continue the action
- selectionPropertiesReceived();
- }
- return TRUE;
case CLICK_ACTION_OPEN:
if (parent && parent->allowOpen())
{
@@ -282,7 +300,12 @@ BOOL LLToolPie::pickLeftMouseDownCallback()
}
// put focus back "in world"
- gFocusMgr.setKeyboardFocus(NULL);
+ if (gFocusMgr.getKeyboardFocus())
+ {
+ // don't click to walk on attempt to give focus to world
+ mBlockClickToWalk = true;
+ gFocusMgr.setKeyboardFocus(NULL);
+ }
BOOL touchable = (object && object->flagHandleTouch())
|| (parent && parent->flagHandleTouch());
@@ -294,6 +317,7 @@ BOOL LLToolPie::pickLeftMouseDownCallback()
)
{
gGrabTransientTool = this;
+ mMouseButtonDown = false;
LLToolMgr::getInstance()->getCurrentToolset()->selectTool( LLToolGrab::getInstance() );
return LLToolGrab::getInstance()->handleObjectHit( mPick );
}
@@ -309,9 +333,9 @@ BOOL LLToolPie::pickLeftMouseDownCallback()
if (!gSavedSettings.getBOOL("LeftClickShowMenu"))
{
// mouse already released
- if (!mGrabMouseButtonDown)
+ if (!mMouseButtonDown)
{
- return TRUE;
+ return true;
}
while( object && object->isAttachment() && !object->flagHandleTouch())
@@ -323,9 +347,10 @@ BOOL LLToolPie::pickLeftMouseDownCallback()
}
object = (LLViewerObject*)object->getParent();
}
- if (object && object == gAgentAvatarp)
+ if (object && object == gAgentAvatarp && !gSavedSettings.getBOOL("ClickToWalk"))
{
// we left clicked on avatar, switch to focus mode
+ mMouseButtonDown = false;
LLToolMgr::getInstance()->setTransientTool(LLToolCamera::getInstance());
gViewerWindow->hideCursor();
LLToolCamera::getInstance()->setMouseCapture(TRUE);
@@ -392,7 +417,7 @@ U8 final_click_action(LLViewerObject* obj)
return click_action;
}
-ECursorType cursor_from_object(LLViewerObject* object)
+ECursorType LLToolPie::cursorFromObject(LLViewerObject* object)
{
LLViewerObject* parent = NULL;
if (object)
@@ -412,7 +437,10 @@ ECursorType cursor_from_object(LLViewerObject* object)
}
break;
case CLICK_ACTION_BUY:
- cursor = UI_CURSOR_TOOLBUY;
+ if ( mClickActionBuyEnabled )
+ {
+ cursor = UI_CURSOR_TOOLBUY;
+ }
break;
case CLICK_ACTION_OPEN:
// Open always opens the parent.
@@ -422,10 +450,13 @@ ECursorType cursor_from_object(LLViewerObject* object)
}
break;
case CLICK_ACTION_PAY:
- if ((object && object->flagTakesMoney())
- || (parent && parent->flagTakesMoney()))
+ if ( mClickActionPayEnabled )
{
- cursor = UI_CURSOR_TOOLBUY;
+ if ((object && object->flagTakesMoney())
+ || (parent && parent->flagTakesMoney()))
+ {
+ cursor = UI_CURSOR_TOOLBUY;
+ }
}
break;
case CLICK_ACTION_ZOOM:
@@ -473,10 +504,16 @@ void LLToolPie::selectionPropertiesReceived()
switch (click_action)
{
case CLICK_ACTION_BUY:
- handle_buy();
+ if ( LLToolPie::getInstance()->mClickActionBuyEnabled )
+ {
+ handle_buy();
+ }
break;
case CLICK_ACTION_PAY:
- handle_give_money_dialog();
+ if ( LLToolPie::getInstance()->mClickActionPayEnabled )
+ {
+ handle_give_money_dialog();
+ }
break;
case CLICK_ACTION_OPEN:
LLFloaterReg::showInstance("openobject");
@@ -491,7 +528,28 @@ void LLToolPie::selectionPropertiesReceived()
BOOL LLToolPie::handleHover(S32 x, S32 y, MASK mask)
{
+ if (!mMouseOutsideSlop
+ && mMouseButtonDown
+ && gSavedSettings.getBOOL("ClickToWalk"))
+ {
+ S32 delta_x = x - mMouseDownX;
+ S32 delta_y = y - mMouseDownY;
+ S32 threshold = gSavedSettings.getS32("DragAndDropDistanceThreshold");
+ if (delta_x * delta_x + delta_y * delta_y > threshold * threshold)
+ {
+ startCameraSteering();
+ }
+ }
+
mHoverPick = gViewerWindow->pickImmediate(x, y, FALSE);
+
+ if (inCameraSteerMode())
+ {
+ steerCameraWithMouse(x, y);
+ gViewerWindow->setCursor(UI_CURSOR_TOOLGRAB);
+ return TRUE;
+ }
+
// perform a separate pick that detects transparent objects since they respond to 1-click actions
LLPickInfo click_action_pick = gViewerWindow->pickImmediate(x, y, TRUE);
@@ -517,7 +575,7 @@ BOOL LLToolPie::handleHover(S32 x, S32 y, MASK mask)
else if (click_action_object && useClickAction(mask, click_action_object, click_action_object->getRootEdit()))
{
show_highlight = true;
- ECursorType cursor = cursor_from_object(click_action_object);
+ ECursorType cursor = cursorFromObject(click_action_object);
gViewerWindow->setCursor(cursor);
lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolPie (inactive)" << llendl;
}
@@ -562,37 +620,62 @@ BOOL LLToolPie::handleHover(S32 x, S32 y, MASK mask)
BOOL LLToolPie::handleMouseUp(S32 x, S32 y, MASK mask)
{
LLViewerObject* obj = mPick.getObject();
-
- handleMediaMouseUp();
-
U8 click_action = final_click_action(obj);
- if (click_action != CLICK_ACTION_NONE)
+
+ // let media have first pass at click
+ if (handleMediaMouseUp() || LLViewerMediaFocus::getInstance()->getFocus())
+ {
+ mBlockClickToWalk = true;
+ }
+ stopCameraSteering();
+ mMouseButtonDown = false;
+
+ if (click_action == CLICK_ACTION_NONE // not doing 1-click action
+ && gSavedSettings.getBOOL("ClickToWalk") // click to walk enabled
+ && !gAgent.getFlying() // don't auto-navigate while flying until that works
+ && !mBlockClickToWalk // another behavior hasn't cancelled click to walk
+ && !mPick.mPosGlobal.isExactlyZero() // valid coordinates for pick
+ && (mPick.mPickType == LLPickInfo::PICK_LAND // we clicked on land
+ || mPick.mObjectID.notNull())) // or on an object
{
- switch(click_action)
+ // handle special cases of steering picks
+ LLViewerObject* avatar_object = mPick.getObject();
+
+ // get pointer to avatar
+ while (avatar_object && !avatar_object->isAvatar())
{
- case CLICK_ACTION_BUY:
- case CLICK_ACTION_PAY:
- case CLICK_ACTION_OPEN:
- case CLICK_ACTION_ZOOM:
- case CLICK_ACTION_PLAY:
- case CLICK_ACTION_OPEN_MEDIA:
- // Because these actions open UI dialogs, we won't change
- // the cursor again until the next hover and GL pick over
- // the world. Keep the cursor an arrow, assuming that
- // after the user moves off the UI, they won't be on the
- // same object anymore.
- gViewerWindow->setCursor(UI_CURSOR_ARROW);
- // Make sure the hover-picked object is ignored.
- //gToolTipView->resetLastHoverObject();
- break;
- default:
- break;
+ avatar_object = (LLViewerObject*)avatar_object->getParent();
}
+
+ if (avatar_object && ((LLVOAvatar*)avatar_object)->isSelf())
+ {
+ const F64 SELF_CLICK_WALK_DISTANCE = 3.0;
+ // pretend we picked some point a bit in front of avatar
+ mPick.mPosGlobal = gAgent.getPositionGlobal() + LLVector3d(LLViewerCamera::instance().getAtAxis()) * SELF_CLICK_WALK_DISTANCE;
+ }
+ gAgentCamera.setFocusOnAvatar(TRUE, TRUE);
+ if(mAutoPilotDestination) { mAutoPilotDestination->markDead(); }
+ mAutoPilotDestination = (LLHUDEffectBlob *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_BLOB, FALSE);
+ mAutoPilotDestination->setPositionGlobal(mPick.mPosGlobal);
+ mAutoPilotDestination->setPixelSize(5);
+ mAutoPilotDestination->setColor(LLColor4U(170, 210, 190));
+ mAutoPilotDestination->setDuration(3.f);
+
+ handle_go_to();
+ mBlockClickToWalk = false;
+
+ return TRUE;
+ }
+ gViewerWindow->setCursor(UI_CURSOR_ARROW);
+ if (hasMouseCapture())
+ {
+ setMouseCapture(FALSE);
}
- mGrabMouseButtonDown = FALSE;
LLToolMgr::getInstance()->clearTransientTool();
gAgentCamera.setLookAt(LOOKAT_TARGET_CONVERSATION, obj); // maybe look at object/person clicked on
+
+ mBlockClickToWalk = false;
return LLTool::handleMouseUp(x, y, mask);
}
@@ -874,28 +957,45 @@ BOOL LLToolPie::handleTooltipObject( LLViewerObject* hover_object, std::string l
|| !existing_inspector->getVisible()
|| existing_inspector->getKey()["avatar_id"].asUUID() != hover_object->getID())
{
- std::string avatar_name;
+ // IDEVO: try to get display name + username
+ std::string final_name;
+ std::string full_name;
+ if (!gCacheName->getFullName(hover_object->getID(), full_name))
+ {
LLNameValue* firstname = hover_object->getNVPair("FirstName");
LLNameValue* lastname = hover_object->getNVPair("LastName");
if (firstname && lastname)
{
- avatar_name = llformat("%s %s", firstname->getString(), lastname->getString());
+ full_name = LLCacheName::buildFullName(
+ firstname->getString(), lastname->getString());
+ }
+ else
+ {
+ full_name = LLTrans::getString("TooltipPerson");
+ }
+ }
+
+ LLAvatarName av_name;
+ if (LLAvatarNameCache::useDisplayNames() &&
+ LLAvatarNameCache::get(hover_object->getID(), &av_name))
+ {
+ final_name = av_name.getCompleteName();
}
else
{
- avatar_name = LLTrans::getString("TooltipPerson");
+ final_name = full_name;
}
-
+
// *HACK: We may select this object, so pretend it was clicked
mPick = mHoverPick;
LLInspector::Params p;
p.fillFrom(LLUICtrlFactory::instance().getDefaultParams<LLInspector>());
- p.message(avatar_name);
+ p.message(final_name);
p.image.name("Inspector_I");
p.click_callback(boost::bind(showAvatarInspector, hover_object->getID()));
p.visible_time_near(6.f);
p.visible_time_far(3.f);
- p.delay_time(0.35f);
+ p.delay_time(gSavedSettings.getF32("AvatarInspectorTooltipDelay"));
p.wrap(false);
LLToolTipMgr::instance().show(p);
@@ -1013,7 +1113,7 @@ BOOL LLToolPie::handleTooltipObject( LLViewerObject* hover_object, std::string l
p.click_homepage_callback(boost::bind(VisitHomePage, mHoverPick));
p.visible_time_near(6.f);
p.visible_time_far(3.f);
- p.delay_time(0.35f);
+ p.delay_time(gSavedSettings.getF32("ObjectInspectorTooltipDelay"));
p.wrap(false);
LLToolTipMgr::instance().show(p);
@@ -1196,6 +1296,11 @@ void LLToolPie::VisitHomePage(const LLPickInfo& info)
}
}
+void LLToolPie::handleSelect()
+{
+ // tool is reselected when app gets focus, etc.
+ mBlockClickToWalk = true;
+}
void LLToolPie::handleDeselect()
{
@@ -1210,15 +1315,17 @@ void LLToolPie::handleDeselect()
LLTool* LLToolPie::getOverrideTool(MASK mask)
{
- if (mask == MASK_CONTROL)
- {
- return LLToolGrab::getInstance();
- }
- else if (mask == (MASK_CONTROL | MASK_SHIFT))
+ if (gSavedSettings.getBOOL("EnableGrab"))
{
- return LLToolGrab::getInstance();
+ if (mask == MASK_CONTROL)
+ {
+ return LLToolGrab::getInstance();
+ }
+ else if (mask == (MASK_CONTROL | MASK_SHIFT))
+ {
+ return LLToolGrab::getInstance();
+ }
}
-
return LLTool::getOverrideTool(mask);
}
@@ -1232,10 +1339,20 @@ void LLToolPie::stopEditing()
void LLToolPie::onMouseCaptureLost()
{
- mMouseOutsideSlop = FALSE;
+ stopCameraSteering();
+ mMouseButtonDown = false;
handleMediaMouseUp();
}
+void LLToolPie::stopCameraSteering()
+{
+ mMouseOutsideSlop = false;
+}
+
+bool LLToolPie::inCameraSteerMode()
+{
+ return mMouseButtonDown && mMouseOutsideSlop && gSavedSettings.getBOOL("ClickToWalk");
+}
// true if x,y outside small box around start_x,start_y
BOOL LLToolPie::outsideSlop(S32 x, S32 y, S32 start_x, S32 start_y)
@@ -1401,8 +1518,6 @@ bool LLToolPie::handleMediaMouseUp()
mMediaMouseCaptureID.setNull();
- setMouseCapture(FALSE);
-
result = true;
}
@@ -1465,7 +1580,7 @@ static ECursorType cursor_from_parcel_media(U8 click_action)
// True if we handled the event.
-BOOL LLToolPie::pickRightMouseDownCallback()
+BOOL LLToolPie::handleRightClickPick()
{
S32 x = mPick.mMousePt.mX;
S32 y = mPick.mMousePt.mY;
@@ -1587,10 +1702,148 @@ BOOL LLToolPie::pickRightMouseDownCallback()
void LLToolPie::showVisualContextMenuEffect()
{
- // VEFFECT: ShowPie
- LLHUDEffectSpiral *effectp = (LLHUDEffectSpiral *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_SPHERE, TRUE);
- effectp->setPositionGlobal(mPick.mPosGlobal);
- effectp->setColor(LLColor4U(gAgent.getEffectColor()));
- effectp->setDuration(0.25f);
+ // VEFFECT: ShowPie
+ LLHUDEffectSpiral *effectp = (LLHUDEffectSpiral *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_SPHERE, TRUE);
+ effectp->setPositionGlobal(mPick.mPosGlobal);
+ effectp->setColor(LLColor4U(gAgent.getEffectColor()));
+ effectp->setDuration(0.25f);
+}
+
+bool intersect_ray_with_sphere( const LLVector3& ray_pt, const LLVector3& ray_dir, const LLVector3& sphere_center, F32 sphere_radius, LLVector3& intersection_pt)
+{
+ // do ray/sphere intersection by solving quadratic equation
+ LLVector3 sphere_to_ray_start_vec = ray_pt - sphere_center;
+ F32 B = 2.f * ray_dir * sphere_to_ray_start_vec;
+ F32 C = sphere_to_ray_start_vec.lengthSquared() - (sphere_radius * sphere_radius);
+
+ F32 discriminant = B*B - 4.f*C;
+ if (discriminant > 0.f)
+ { // intersection detected, now find closest one
+ F32 t0 = (-B - sqrtf(discriminant)) / 2.f;
+ if (t0 > 0.f)
+ {
+ intersection_pt = ray_pt + ray_dir * t0;
+ }
+ else
+ {
+ F32 t1 = (-B + sqrtf(discriminant)) / 2.f;
+ intersection_pt = ray_pt + ray_dir * t1;
+ }
+ return true;
+ }
+
+ return false;
+}
+
+void LLToolPie::startCameraSteering()
+{
+ mMouseOutsideSlop = true;
+ mBlockClickToWalk = true;
+
+ if (gAgentCamera.getFocusOnAvatar())
+ {
+ mSteerPick = mPick;
+
+ // handle special cases of steering picks
+ LLViewerObject* avatar_object = mSteerPick.getObject();
+
+ // get pointer to avatar
+ while (avatar_object && !avatar_object->isAvatar())
+ {
+ avatar_object = (LLViewerObject*)avatar_object->getParent();
+ }
+
+ // if clicking on own avatar...
+ if (avatar_object && ((LLVOAvatar*)avatar_object)->isSelf())
+ {
+ // ...project pick point a few meters in front of avatar
+ mSteerPick.mPosGlobal = gAgent.getPositionGlobal() + LLVector3d(LLViewerCamera::instance().getAtAxis()) * 3.0;
+ }
+
+ if (!mSteerPick.isValid())
+ {
+ mSteerPick.mPosGlobal = gAgent.getPosGlobalFromAgent(
+ LLViewerCamera::instance().getOrigin() + gViewerWindow->mouseDirectionGlobal(mSteerPick.mMousePt.mX, mSteerPick.mMousePt.mY) * 100.f);
+ }
+
+ setMouseCapture(TRUE);
+
+ mMouseSteerX = mMouseDownX;
+ mMouseSteerY = mMouseDownY;
+ const LLVector3 camera_to_rotation_center = gAgent.getFrameAgent().getOrigin() - LLViewerCamera::instance().getOrigin();
+ const LLVector3 rotation_center_to_pick = gAgent.getPosAgentFromGlobal(mSteerPick.mPosGlobal) - gAgent.getFrameAgent().getOrigin();
+
+ mClockwise = camera_to_rotation_center * rotation_center_to_pick < 0.f;
+ if (mMouseSteerGrabPoint) { mMouseSteerGrabPoint->markDead(); }
+ mMouseSteerGrabPoint = (LLHUDEffectBlob *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_BLOB, FALSE);
+ mMouseSteerGrabPoint->setPositionGlobal(mSteerPick.mPosGlobal);
+ mMouseSteerGrabPoint->setColor(LLColor4U(170, 210, 190));
+ mMouseSteerGrabPoint->setPixelSize(5);
+ mMouseSteerGrabPoint->setDuration(2.f);
+ }
+}
+
+void LLToolPie::steerCameraWithMouse(S32 x, S32 y)
+{
+ const F32 MIN_ROTATION_RADIUS_FRACTION = 0.2f;
+
+ const LLVector3 pick_pos = gAgent.getPosAgentFromGlobal(mSteerPick.mPosGlobal);
+ const LLVector3 rotation_center = gAgent.getFrameAgent().getOrigin();
+ // FIXME: get this to work with camera tilt (i.e. sitting on a rotating object)
+ const LLVector3 rotation_up_axis(LLVector3::z_axis);
+
+ LLVector3 object_rotation_center = rotation_center + parallel_component(pick_pos - rotation_center, rotation_up_axis);
+ F32 min_rotation_radius = MIN_ROTATION_RADIUS_FRACTION * dist_vec(rotation_center, LLViewerCamera::instance().getOrigin());;
+ F32 pick_distance_from_rotation_center = llclamp(dist_vec(pick_pos, object_rotation_center), min_rotation_radius, F32_MAX);
+
+ LLVector3 mouse_ray = orthogonal_component(gViewerWindow->mouseDirectionGlobal(x, y), rotation_up_axis);
+ mouse_ray.normalize();
+
+ LLVector3 old_mouse_ray = orthogonal_component(gViewerWindow->mouseDirectionGlobal(mMouseSteerX, mMouseSteerY), rotation_up_axis);
+ old_mouse_ray.normalize();
+
+ LLVector3 camera_pos = gAgentCamera.getCameraPositionAgent();
+ LLVector3 camera_to_rotation_center = object_rotation_center - camera_pos;
+ LLVector3 adjusted_camera_pos = camera_pos + projected_vec(camera_to_rotation_center, rotation_up_axis);
+ LLVector3 rotation_fwd_axis = LLViewerCamera::instance().getAtAxis() - projected_vec(LLViewerCamera::instance().getAtAxis(), rotation_up_axis);
+ rotation_fwd_axis.normalize();
+ F32 pick_dist = dist_vec(pick_pos, adjusted_camera_pos);
+
+ LLVector3 mouse_on_sphere;
+ bool mouse_hit_sphere = intersect_ray_with_sphere(adjusted_camera_pos + (mouse_ray * pick_dist * 1.1f),
+ -1.f * mouse_ray,
+ object_rotation_center,
+ pick_distance_from_rotation_center,
+ mouse_on_sphere);
+
+ LLVector3 old_mouse_on_sphere;
+ intersect_ray_with_sphere(adjusted_camera_pos + (old_mouse_ray * pick_dist * 1.1f),
+ -1.f * old_mouse_ray,
+ object_rotation_center,
+ pick_distance_from_rotation_center,
+ old_mouse_on_sphere);
+
+ if (mouse_hit_sphere)
+ {
+ // calculate rotation frame in screen space
+ LLVector3 screen_rotation_up_axis = orthogonal_component(rotation_up_axis, LLViewerCamera::instance().getAtAxis());
+ screen_rotation_up_axis.normalize();
+
+ LLVector3 screen_rotation_left_axis = screen_rotation_up_axis % LLViewerCamera::instance().getAtAxis();
+
+ LLVector3 rotation_furthest_pt = object_rotation_center + pick_distance_from_rotation_center * rotation_fwd_axis;
+ F32 mouse_lateral_distance = llclamp(((mouse_on_sphere - rotation_furthest_pt) * screen_rotation_left_axis) / pick_distance_from_rotation_center, -1.f, 1.f);
+ F32 old_mouse_lateral_distance = llclamp(((old_mouse_on_sphere - rotation_furthest_pt) * screen_rotation_left_axis) / pick_distance_from_rotation_center, -1.f, 1.f);
+
+ F32 yaw_angle = asinf(mouse_lateral_distance);
+ F32 old_yaw_angle = asinf(old_mouse_lateral_distance);
+
+ F32 delta_angle = yaw_angle - old_yaw_angle;
+ if (!mClockwise) delta_angle *= -1.f;
+
+ gAgent.yaw(delta_angle);
+ mMouseSteerX = x;
+ mMouseSteerY = y;
+ }
}