/** * @file llmaniprotate.cpp * @brief LLManipRotate class implementation * * $LicenseInfo:firstyear=2002&license=viewergpl$ * * Copyright (c) 2002-2009, Linden Research, Inc. * * 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 * * 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 * * 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. * * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ #include "llviewerprecompiledheaders.h" #include "llmaniprotate.h" // library includes #include "llmath.h" #include "llgl.h" #include "llrender.h" #include "v4color.h" #include "llprimitive.h" #include "llview.h" #include "llfontgl.h" // viewer includes #include "llagent.h" #include "llbox.h" #include "llbutton.h" #include "llviewercontrol.h" #include "llcriticaldamp.h" #include "lltooltip.h" #include "llfloatertools.h" #include "llselectmgr.h" #include "llstatusbar.h" #include "llui.h" #include "llvoavatar.h" #include "llviewercamera.h" #include "llviewerobject.h" #include "llviewerobject.h" #include "llviewerwindow.h" #include "llworld.h" #include "pipeline.h" #include "lldrawable.h" #include "llglheaders.h" #include "lltrans.h" const F32 RADIUS_PIXELS = 100.f; // size in screen space const F32 SQ_RADIUS = RADIUS_PIXELS * RADIUS_PIXELS; const F32 WIDTH_PIXELS = 8; const S32 CIRCLE_STEPS = 100; const F32 DELTA = F_TWO_PI / CIRCLE_STEPS; const F32 SIN_DELTA = sin( DELTA ); const F32 COS_DELTA = cos( DELTA ); const F32 MAX_MANIP_SELECT_DISTANCE = 100.f; const F32 SNAP_ANGLE_INCREMENT = 5.625f; const F32 SNAP_ANGLE_DETENTE = SNAP_ANGLE_INCREMENT; const F32 SNAP_GUIDE_RADIUS_1 = 2.8f; const F32 SNAP_GUIDE_RADIUS_2 = 2.4f; const F32 SNAP_GUIDE_RADIUS_3 = 2.2f; const F32 SNAP_GUIDE_RADIUS_4 = 2.1f; const F32 SNAP_GUIDE_RADIUS_5 = 2.05f; const F32 SNAP_GUIDE_INNER_RADIUS = 2.f; const F32 AXIS_ONTO_CAM_TOLERANCE = cos( 80.f * DEG_TO_RAD ); const F32 SELECTED_MANIPULATOR_SCALE = 1.05f; const F32 MANIPULATOR_SCALE_HALF_LIFE = 0.07f; extern void handle_reset_rotation(void*); // in LLViewerWindow LLManipRotate::LLManipRotate( LLToolComposite* composite ) : LLManip( std::string("Rotate"), composite ), mRotationCenter(), mCenterScreen(), mRotation(), mMouseDown(), mMouseCur(), mRadiusMeters(0.f), mCenterToCam(), mCenterToCamNorm(), mCenterToCamMag(0.f), mCenterToProfilePlane(), mCenterToProfilePlaneMag(0.f), mSendUpdateOnMouseUp( FALSE ), mSmoothRotate( FALSE ), mCamEdgeOn(FALSE), mManipulatorScales(1.f, 1.f, 1.f, 1.f) { } void LLManipRotate::handleSelect() { // *FIX: put this in mouseDown? LLSelectMgr::getInstance()->saveSelectedObjectTransform(SELECT_ACTION_TYPE_PICK); gFloaterTools->setStatusText("rotate"); LLManip::handleSelect(); } void LLManipRotate::render() { LLGLSUIDefault gls_ui; gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); LLGLDepthTest gls_depth(GL_TRUE); LLGLEnable gl_blend(GL_BLEND); LLGLEnable gls_alpha_test(GL_ALPHA_TEST); // You can rotate if you can move LLViewerObject* first_object = mObjectSelection->getFirstMoveableObject(TRUE); if( !first_object ) { return; } if( !updateVisiblity() ) { return; } glMatrixMode(GL_MODELVIEW); glPushMatrix(); if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) { F32 zoom = gAgent.mHUDCurZoom; glScalef(zoom, zoom, zoom); } LLVector3 center = gAgent.getPosAgentFromGlobal( mRotationCenter ); LLColor4 highlight_outside( 1.f, 1.f, 0.f, 1.f ); LLColor4 highlight_inside( 0.7f, 0.7f, 0.f, 0.5f ); F32 width_meters = WIDTH_PIXELS * mRadiusMeters / RADIUS_PIXELS; glPushMatrix(); { // are we in the middle of a constrained drag? if (mManipPart >= LL_ROT_X && mManipPart <= LL_ROT_Z) { renderSnapGuides(); } else { LLGLEnable cull_face(GL_CULL_FACE); LLGLDepthTest gls_depth(GL_FALSE); glPushMatrix(); { // Draw "sphere" (intersection of sphere with tangent cone that has apex at camera) glTranslatef( mCenterToProfilePlane.mV[VX], mCenterToProfilePlane.mV[VY], mCenterToProfilePlane.mV[VZ] ); glTranslatef( center.mV[VX], center.mV[VY], center.mV[VZ] ); // Inverse change of basis vectors LLVector3 forward = mCenterToCamNorm; LLVector3 left = gAgent.getUpAxis() % forward; left.normVec(); LLVector3 up = forward % left; LLVector4 a(-forward); a.mV[3] = 0; LLVector4 b(up); b.mV[3] = 0; LLVector4 c(left); c.mV[3] = 0; LLMatrix4 mat; mat.initRows(a, b, c, LLVector4(0.f, 0.f, 0.f, 1.f)); glMultMatrixf( &mat.mMatrix[0][0] ); glRotatef( -90, 0.f, 1.f, 0.f); LLColor4 color; if (mManipPart == LL_ROT_ROLL || mHighlightedPart == LL_ROT_ROLL) { color.setVec(0.8f, 0.8f, 0.8f, 0.8f); glScalef(mManipulatorScales.mV[VW], mManipulatorScales.mV[VW], mManipulatorScales.mV[VW]); } else { color.setVec( 0.7f, 0.7f, 0.7f, 0.6f ); } gl_washer_2d(mRadiusMeters + width_meters, mRadiusMeters, CIRCLE_STEPS, color, color); if (mManipPart == LL_NO_PART) { gGL.color4f( 0.7f, 0.7f, 0.7f, 0.3f ); gl_circle_2d( 0, 0, mRadiusMeters, CIRCLE_STEPS, TRUE ); } GLdouble plane_eqn[] = { 0, 0, 1, 0 }; glClipPlane( GL_CLIP_PLANE0, plane_eqn ); } glPopMatrix(); } glTranslatef( center.mV[VX], center.mV[VY], center.mV[VZ] ); LLQuaternion rot; F32 angle_radians, x, y, z; LLVector3 grid_origin; LLVector3 grid_scale; LLQuaternion grid_rotation; LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rotation, grid_scale); grid_rotation.getAngleAxis(&angle_radians, &x, &y, &z); glRotatef(angle_radians * RAD_TO_DEG, x, y, z); if (mManipPart == LL_ROT_Z) { mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, SELECTED_MANIPULATOR_SCALE, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE)); glPushMatrix(); { // selected part glScalef(mManipulatorScales.mV[VZ], mManipulatorScales.mV[VZ], mManipulatorScales.mV[VZ]); renderActiveRing( mRadiusMeters, width_meters, LLColor4( 0.f, 0.f, 1.f, 1.f) , LLColor4( 0.f, 0.f, 1.f, 0.3f )); } glPopMatrix(); } else if (mManipPart == LL_ROT_Y) { mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, SELECTED_MANIPULATOR_SCALE, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE)); glPushMatrix(); { glRotatef( 90.f, 1.f, 0.f, 0.f ); glScalef(mManipulatorScales.mV[VY], mManipulatorScales.mV[VY], mManipulatorScales.mV[VY]); renderActiveRing( mRadiusMeters, width_meters, LLColor4( 0.f, 1.f, 0.f, 1.f), LLColor4( 0.f, 1.f, 0.f, 0.3f)); } glPopMatrix(); } else if (mManipPart == LL_ROT_X) { mManipulatorScales = lerp(mManipulatorScales, LLVector4(SELECTED_MANIPULATOR_SCALE, 1.f, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE)); glPushMatrix(); { glRotatef( 90.f, 0.f, 1.f, 0.f ); glScalef(mManipulatorScales.mV[VX], mManipulatorScales.mV[VX], mManipulatorScales.mV[VX]); renderActiveRing( mRadiusMeters, width_meters, LLColor4( 1.f, 0.f, 0.f, 1.f), LLColor4( 1.f, 0.f, 0.f, 0.3f)); } glPopMatrix(); } else if (mManipPart == LL_ROT_ROLL) { mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, 1.f, SELECTED_MANIPULATOR_SCALE), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE)); } else if (mManipPart == LL_NO_PART) { if (mHighlightedPart == LL_NO_PART) { mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE)); } LLGLEnable cull_face(GL_CULL_FACE); LLGLEnable clip_plane0(GL_CLIP_PLANE0); LLGLDepthTest gls_depth(GL_FALSE); // First pass: centers. Second pass: sides. for( S32 i=0; i<2; i++ ) { glPushMatrix(); { if (mHighlightedPart == LL_ROT_Z) { mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, SELECTED_MANIPULATOR_SCALE, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE)); glScalef(mManipulatorScales.mV[VZ], mManipulatorScales.mV[VZ], mManipulatorScales.mV[VZ]); // hovering over part gl_ring( mRadiusMeters, width_meters, LLColor4( 0.f, 0.f, 1.f, 1.f ), LLColor4( 0.f, 0.f, 1.f, 0.5f ), CIRCLE_STEPS, i); } else { // default gl_ring( mRadiusMeters, width_meters, LLColor4( 0.f, 0.f, 0.8f, 0.8f ), LLColor4( 0.f, 0.f, 0.8f, 0.4f ), CIRCLE_STEPS, i); } } glPopMatrix(); glPushMatrix(); { glRotatef( 90.f, 1.f, 0.f, 0.f ); if (mHighlightedPart == LL_ROT_Y) { mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, SELECTED_MANIPULATOR_SCALE, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE)); glScalef(mManipulatorScales.mV[VY], mManipulatorScales.mV[VY], mManipulatorScales.mV[VY]); // hovering over part gl_ring( mRadiusMeters, width_meters, LLColor4( 0.f, 1.f, 0.f, 1.f ), LLColor4( 0.f, 1.f, 0.f, 0.5f ), CIRCLE_STEPS, i); } else { // default gl_ring( mRadiusMeters, width_meters, LLColor4( 0.f, 0.8f, 0.f, 0.8f ), LLColor4( 0.f, 0.8f, 0.f, 0.4f ), CIRCLE_STEPS, i); } } glPopMatrix(); glPushMatrix(); { glRotatef( 90.f, 0.f, 1.f, 0.f ); if (mHighlightedPart == LL_ROT_X) { mManipulatorScales = lerp(mManipulatorScales, LLVector4(SELECTED_MANIPULATOR_SCALE, 1.f, 1.f, 1.f), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE)); glScalef(mManipulatorScales.mV[VX], mManipulatorScales.mV[VX], mManipulatorScales.mV[VX]); // hovering over part gl_ring( mRadiusMeters, width_meters, LLColor4( 1.f, 0.f, 0.f, 1.f ), LLColor4( 1.f, 0.f, 0.f, 0.5f ), CIRCLE_STEPS, i); } else { // default gl_ring( mRadiusMeters, width_meters, LLColor4( 0.8f, 0.f, 0.f, 0.8f ), LLColor4( 0.8f, 0.f, 0.f, 0.4f ), CIRCLE_STEPS, i); } } glPopMatrix(); if (mHighlightedPart == LL_ROT_ROLL) { mManipulatorScales = lerp(mManipulatorScales, LLVector4(1.f, 1.f, 1.f, SELECTED_MANIPULATOR_SCALE), LLCriticalDamp::getInterpolant(MANIPULATOR_SCALE_HALF_LIFE)); } } } } glPopMatrix(); glPopMatrix(); LLVector3 euler_angles; LLQuaternion object_rot = first_object->getRotationEdit(); object_rot.getEulerAngles(&(euler_angles.mV[VX]), &(euler_angles.mV[VY]), &(euler_angles.mV[VZ])); euler_angles *= RAD_TO_DEG; euler_angles.mV[VX] = llround(fmodf(euler_angles.mV[VX] + 360.f, 360.f), 0.05f); euler_angles.mV[VY] = llround(fmodf(euler_angles.mV[VY] + 360.f, 360.f), 0.05f); euler_angles.mV[VZ] = llround(fmodf(euler_angles.mV[VZ] + 360.f, 360.f), 0.05f); renderXYZ(euler_angles); } BOOL LLManipRotate::handleMouseDown(S32 x, S32 y, MASK mask) { BOOL handled = FALSE; LLViewerObject* first_object = mObjectSelection->getFirstMoveableObject(TRUE); if( first_object ) { if( mHighlightedPart != LL_NO_PART ) { handled = handleMouseDownOnPart( x, y, mask ); } } return handled; } // Assumes that one of the parts of the manipulator was hit. BOOL LLManipRotate::handleMouseDownOnPart( S32 x, S32 y, MASK mask ) { BOOL can_rotate = canAffectSelection(); if (!can_rotate) { return FALSE; } highlightManipulators(x, y); S32 hit_part = mHighlightedPart; // we just started a drag, so save initial object positions LLSelectMgr::getInstance()->saveSelectedObjectTransform(SELECT_ACTION_TYPE_ROTATE); // save selection center mRotationCenter = gAgent.getPosGlobalFromAgent( getPivotPoint() ); //LLSelectMgr::getInstance()->getSelectionCenterGlobal(); mManipPart = (EManipPart)hit_part; LLVector3 center = gAgent.getPosAgentFromGlobal( mRotationCenter ); if( mManipPart == LL_ROT_GENERAL) { mMouseDown = intersectMouseWithSphere( x, y, center, mRadiusMeters); } else { // Project onto the plane of the ring LLVector3 axis = getConstraintAxis(); F32 axis_onto_cam = llabs( axis * mCenterToCamNorm ); const F32 AXIS_ONTO_CAM_TOL = cos( 85.f * DEG_TO_RAD ); if( axis_onto_cam < AXIS_ONTO_CAM_TOL ) { LLVector3 up_from_axis = mCenterToCamNorm % axis; up_from_axis.normVec(); LLVector3 cur_intersection; getMousePointOnPlaneAgent(cur_intersection, x, y, center, mCenterToCam); cur_intersection -= center; mMouseDown = projected_vec(cur_intersection, up_from_axis); F32 mouse_depth = SNAP_GUIDE_INNER_RADIUS * mRadiusMeters; F32 mouse_dist_sqrd = mMouseDown.magVecSquared(); if (mouse_dist_sqrd > 0.0001f) { mouse_depth = sqrtf((SNAP_GUIDE_INNER_RADIUS * mRadiusMeters) * (SNAP_GUIDE_INNER_RADIUS * mRadiusMeters) - mouse_dist_sqrd); } LLVector3 projected_center_to_cam = mCenterToCamNorm - projected_vec(mCenterToCamNorm, axis); mMouseDown += mouse_depth * projected_center_to_cam; } else { mMouseDown = findNearestPointOnRing( x, y, center, axis ) - center; mMouseDown.normVec(); } } mMouseCur = mMouseDown; // Route future Mouse messages here preemptively. (Release on mouse up.) setMouseCapture( TRUE ); LLSelectMgr::getInstance()->enableSilhouette(FALSE); return TRUE; } LLVector3 LLManipRotate::findNearestPointOnRing( S32 x, S32 y, const LLVector3& center, const LLVector3& axis ) { // Project the delta onto the ring and rescale it by the radius so that it's _on_ the ring. LLVector3 proj_onto_ring; getMousePointOnPlaneAgent(proj_onto_ring, x, y, center, axis); proj_onto_ring -= center; proj_onto_ring.normVec(); return center + proj_onto_ring * mRadiusMeters; } BOOL LLManipRotate::handleMouseUp(S32 x, S32 y, MASK mask) { // first, perform normal processing in case this was a quick-click handleHover(x, y, mask); if( hasMouseCapture() ) { for (LLObjectSelection::iterator iter = mObjectSelection->begin(); iter != mObjectSelection->end(); iter++) { LLSelectNode* selectNode = *iter; LLViewerObject* object = selectNode->getObject(); // have permission to move and object is root of selection or individually selected if (object->permMove() && (object->isRootEdit() || selectNode->mIndividualSelection)) { object->mUnselectedChildrenPositions.clear() ; } } mManipPart = LL_NO_PART; // Might have missed last update due to timing. LLSelectMgr::getInstance()->sendMultipleUpdate( UPD_ROTATION | UPD_POSITION ); LLSelectMgr::getInstance()->enableSilhouette(TRUE); //gAgent.setObjectTracking(gSavedSettings.getBOOL("TrackFocusObject")); LLSelectMgr::getInstance()->updateSelectionCenter(); LLSelectMgr::getInstance()->saveSelectedObjectTransform(SELECT_ACTION_TYPE_PICK); } return LLManip::handleMouseUp(x, y, mask); } BOOL LLManipRotate::handleHover(S32 x, S32 y, MASK mask) { if( hasMouseCapture() ) { if( mObjectSelection->isEmpty() ) { // Somehow the object got deselected while we were dragging it. setMouseCapture( FALSE ); } else { drag(x, y); } lldebugst(LLERR_USER_INPUT) << "hover handled by LLManipRotate (active)" << llendl; } else { highlightManipulators(x, y); lldebugst(LLERR_USER_INPUT) << "hover handled by LLManipRotate (inactive)" << llendl; } gViewerWindow->setCursor(UI_CURSOR_TOOLROTATE); return TRUE; } LLVector3 LLManipRotate::projectToSphere( F32 x, F32 y, BOOL* on_sphere ) { F32 z = 0.f; F32 dist_squared = x*x + y*y; *on_sphere = dist_squared <= SQ_RADIUS; if( *on_sphere ) { z = sqrt(SQ_RADIUS - dist_squared); } return LLVector3( x, y, z ); } // Freeform rotation void LLManipRotate::drag( S32 x, S32 y ) { if( !updateVisiblity() ) { return; } if( mManipPart == LL_ROT_GENERAL ) { mRotation = dragUnconstrained(x, y); } else { mRotation = dragConstrained(x, y); } BOOL damped = mSmoothRotate; mSmoothRotate = FALSE; for (LLObjectSelection::iterator iter = mObjectSelection->begin(); iter != mObjectSelection->end(); iter++) { LLSelectNode* selectNode = *iter; LLViewerObject* object = selectNode->getObject(); // have permission to move and object is root of selection or individually selected if (object->permMove() && (object->isRootEdit() || selectNode->mIndividualSelection)) { if (!object->isRootEdit()) { // child objects should not update if parent is selected LLViewerObject* editable_root = (LLViewerObject*)object->getParent(); if (editable_root->isSelected()) { // we will be moved properly by our parent, so skip continue; } } LLQuaternion new_rot = selectNode->mSavedRotation * mRotation; std::vector<LLVector3>& child_positions = object->mUnselectedChildrenPositions ; std::vector<LLQuaternion> child_rotations; if (object->isRootEdit() && selectNode->mIndividualSelection) { object->saveUnselectedChildrenRotation(child_rotations) ; object->saveUnselectedChildrenPosition(child_positions) ; } if (object->getParent() && object->mDrawable.notNull()) { LLQuaternion invParentRotation = object->mDrawable->mXform.getParent()->getWorldRotation(); invParentRotation.transQuat(); object->setRotation(new_rot * invParentRotation, damped); rebuild(object); } else { object->setRotation(new_rot, damped); rebuild(object); } // for individually selected roots, we need to counterrotate all the children if (object->isRootEdit() && selectNode->mIndividualSelection) { //RN: must do non-damped updates on these objects so relative rotation appears constant // instead of having two competing slerps making the child objects appear to "wobble" object->resetChildrenRotationAndPosition(child_rotations, child_positions) ; } } } // update positions for (LLObjectSelection::iterator iter = mObjectSelection->begin(); iter != mObjectSelection->end(); iter++) { LLSelectNode* selectNode = *iter; LLViewerObject* object = selectNode->getObject(); // to avoid cumulative position changes we calculate the objects new position using its saved position if (object && object->permMove()) { LLVector3 center = gAgent.getPosAgentFromGlobal( mRotationCenter ); LLVector3 old_position; LLVector3 new_position; if (object->isAttachment() && object->mDrawable.notNull()) { // need to work in drawable space to handle selected items from multiple attachments // (which have no shared frame of reference other than their render positions) LLXform* parent_xform = object->mDrawable->getXform()->getParent(); new_position = (selectNode->mSavedPositionLocal * parent_xform->getWorldRotation()) + parent_xform->getWorldPosition(); old_position = (object->getPosition() * parent_xform->getWorldRotation()) + parent_xform->getWorldPosition();//object->getRenderPosition(); } else { new_position = gAgent.getPosAgentFromGlobal( selectNode->mSavedPositionGlobal ); old_position = object->getPositionAgent(); } new_position = (new_position - center) * mRotation; // new relative rotated position new_position += center; if (object->isRootEdit() && !object->isAttachment()) { LLVector3d new_pos_global = gAgent.getPosGlobalFromAgent(new_position); new_pos_global = LLWorld::getInstance()->clipToVisibleRegions(selectNode->mSavedPositionGlobal, new_pos_global); new_position = gAgent.getPosAgentFromGlobal(new_pos_global); } // for individually selected child objects if (!object->isRootEdit() && selectNode->mIndividualSelection) { LLViewerObject* parentp = (LLViewerObject*)object->getParent(); if (!parentp->isSelected()) { if (object->isAttachment() && object->mDrawable.notNull()) { // find position relative to render position of parent object->setPosition((new_position - parentp->getRenderPosition()) * ~parentp->getRenderRotation()); rebuild(object); } else { object->setPositionParent((new_position - parentp->getPositionAgent()) * ~parentp->getRotationRegion()); rebuild(object); } } } else if (object->isRootEdit()) { if (object->isAttachment() && object->mDrawable.notNull()) { LLXform* parent_xform = object->mDrawable->getXform()->getParent(); object->setPosition((new_position - parent_xform->getWorldPosition()) * ~parent_xform->getWorldRotation()); rebuild(object); } else { object->setPositionAgent(new_position); rebuild(object); } } // for individually selected roots, we need to counter-translate all unselected children if (object->isRootEdit() && selectNode->mIndividualSelection) { // only offset by parent's translation as we've already countered parent's rotation rebuild(object); object->resetChildrenPosition(old_position - new_position) ; } } } // store changes to override updates for (LLObjectSelection::iterator iter = LLSelectMgr::getInstance()->getSelection()->begin(); iter != LLSelectMgr::getInstance()->getSelection()->end(); iter++) { LLSelectNode* selectNode = *iter; LLViewerObject*cur = selectNode->getObject(); if( cur->permModify() && cur->permMove() && !cur->isAvatar()) { selectNode->mLastRotation = cur->getRotation(); selectNode->mLastPositionLocal = cur->getPosition(); } } LLSelectMgr::getInstance()->updateSelectionCenter(); // RN: just clear focus so camera doesn't follow spurious object updates gAgent.clearFocusObject(); dialog_refresh_all(); } void LLManipRotate::renderActiveRing( F32 radius, F32 width, const LLColor4& front_color, const LLColor4& back_color) { LLGLEnable cull_face(GL_CULL_FACE); { gl_ring(radius, width, back_color, back_color * 0.5f, CIRCLE_STEPS, FALSE); gl_ring(radius, width, back_color, back_color * 0.5f, CIRCLE_STEPS, TRUE); } { LLGLDepthTest gls_depth(GL_FALSE); gl_ring(radius, width, front_color, front_color * 0.5f, CIRCLE_STEPS, FALSE); gl_ring(radius, width, front_color, front_color * 0.5f, CIRCLE_STEPS, TRUE); } } void LLManipRotate::renderSnapGuides() { LLVector3 grid_origin; LLVector3 grid_scale; LLQuaternion grid_rotation; LLVector3 constraint_axis = getConstraintAxis(); LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rotation, grid_scale); if (!gSavedSettings.getBOOL("SnapEnabled")) { return; } LLVector3 center = gAgent.getPosAgentFromGlobal( mRotationCenter ); LLVector3 cam_at_axis; if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) { cam_at_axis.setVec(1.f, 0.f, 0.f); } else { cam_at_axis = center - gAgent.getCameraPositionAgent(); cam_at_axis.normVec(); } LLVector3 world_snap_axis; LLVector3 test_axis = constraint_axis; BOOL constrain_to_ref_object = FALSE; if (mObjectSelection->getSelectType() == SELECT_TYPE_ATTACHMENT && gAgent.getAvatarObject()) { test_axis = test_axis * ~grid_rotation; } else if (LLSelectMgr::getInstance()->getGridMode() == GRID_MODE_REF_OBJECT) { test_axis = test_axis * ~grid_rotation; constrain_to_ref_object = TRUE; } test_axis.abs(); // find closest global/reference axis to local constraint axis; if (test_axis.mV[VX] > test_axis.mV[VY] && test_axis.mV[VX] > test_axis.mV[VZ]) { world_snap_axis = LLVector3::y_axis; } else if (test_axis.mV[VY] > test_axis.mV[VZ]) { world_snap_axis = LLVector3::z_axis; } else { world_snap_axis = LLVector3::x_axis; } LLVector3 projected_snap_axis = world_snap_axis; if (mObjectSelection->getSelectType() == SELECT_TYPE_ATTACHMENT && gAgent.getAvatarObject()) { projected_snap_axis = projected_snap_axis * grid_rotation; } else if (constrain_to_ref_object) { projected_snap_axis = projected_snap_axis * grid_rotation; } // project world snap axis onto constraint plane projected_snap_axis -= projected_vec(projected_snap_axis, constraint_axis); projected_snap_axis.normVec(); S32 num_rings = mCamEdgeOn ? 2 : 1; for (S32 ring_num = 0; ring_num < num_rings; ring_num++) { LLVector3 center = gAgent.getPosAgentFromGlobal( mRotationCenter ); if (mCamEdgeOn) { // draw two opposing rings if (ring_num == 0) { center += constraint_axis * mRadiusMeters * 0.5f; } else { center -= constraint_axis * mRadiusMeters * 0.5f; } } LLGLDepthTest gls_depth(GL_FALSE); for (S32 pass = 0; pass < 3; pass++) { // render snap guide ring glPushMatrix(); LLQuaternion snap_guide_rot; F32 angle_radians, x, y, z; snap_guide_rot.shortestArc(LLVector3::z_axis, getConstraintAxis()); snap_guide_rot.getAngleAxis(&angle_radians, &x, &y, &z); glTranslatef(center.mV[VX], center.mV[VY], center.mV[VZ]); glRotatef(angle_radians * RAD_TO_DEG, x, y, z); LLColor4 line_color = setupSnapGuideRenderPass(pass); gGL.color4fv(line_color.mV); if (mCamEdgeOn) { // render an arc LLVector3 edge_normal = cam_at_axis % constraint_axis; edge_normal.normVec(); LLVector3 x_axis_snap = LLVector3::x_axis * snap_guide_rot; LLVector3 y_axis_snap = LLVector3::y_axis * snap_guide_rot; F32 end_angle = atan2(y_axis_snap * edge_normal, x_axis_snap * edge_normal); //F32 start_angle = angle_between((-1.f * LLVector3::x_axis) * snap_guide_rot, edge_normal); F32 start_angle = end_angle - F_PI; gl_arc_2d(0.f, 0.f, mRadiusMeters * SNAP_GUIDE_INNER_RADIUS, CIRCLE_STEPS, FALSE, start_angle, end_angle); } else { gl_circle_2d(0.f, 0.f, mRadiusMeters * SNAP_GUIDE_INNER_RADIUS, CIRCLE_STEPS, FALSE); } glPopMatrix(); for (S32 i = 0; i < 64; i++) { BOOL render_text = TRUE; F32 deg = 5.625f * (F32)i; LLVector3 inner_point; LLVector3 outer_point; LLVector3 text_point; LLQuaternion rot(deg * DEG_TO_RAD, constraint_axis); gGL.begin(LLRender::LINES); { inner_point = (projected_snap_axis * mRadiusMeters * SNAP_GUIDE_INNER_RADIUS * rot) + center; F32 tick_length = 0.f; if (i % 16 == 0) { tick_length = mRadiusMeters * (SNAP_GUIDE_RADIUS_1 - SNAP_GUIDE_INNER_RADIUS); } else if (i % 8 == 0) { tick_length = mRadiusMeters * (SNAP_GUIDE_RADIUS_2 - SNAP_GUIDE_INNER_RADIUS); } else if (i % 4 == 0) { tick_length = mRadiusMeters * (SNAP_GUIDE_RADIUS_3 - SNAP_GUIDE_INNER_RADIUS); } else if (i % 2 == 0) { tick_length = mRadiusMeters * (SNAP_GUIDE_RADIUS_4 - SNAP_GUIDE_INNER_RADIUS); } else { tick_length = mRadiusMeters * (SNAP_GUIDE_RADIUS_5 - SNAP_GUIDE_INNER_RADIUS); } if (mCamEdgeOn) { // don't draw ticks that are on back side of circle F32 dot = cam_at_axis * (projected_snap_axis * rot); if (dot > 0.f) { outer_point = inner_point; render_text = FALSE; } else { if (ring_num == 0) { outer_point = inner_point + (constraint_axis * tick_length) * rot; } else { outer_point = inner_point - (constraint_axis * tick_length) * rot; } } } else { outer_point = inner_point + (projected_snap_axis * tick_length) * rot; } text_point = outer_point + (projected_snap_axis * mRadiusMeters * 0.1f) * rot; gGL.vertex3fv(inner_point.mV); gGL.vertex3fv(outer_point.mV); } gGL.end(); //RN: text rendering does own shadow pass, so only render once if (pass == 1 && render_text && i % 16 == 0) { if (world_snap_axis.mV[VX]) { if (i == 0) { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Forward") : LLTrans::getString("East"), LLColor4::white); } else if (i == 16) { if (constraint_axis.mV[VZ] > 0.f) { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Left") : LLTrans::getString("North"), LLColor4::white); } else { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Right") : LLTrans::getString("South"), LLColor4::white); } } else if (i == 32) { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Back") : LLTrans::getString("West"), LLColor4::white); } else { if (constraint_axis.mV[VZ] > 0.f) { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Right") : LLTrans::getString("South"), LLColor4::white); } else { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Left") : LLTrans::getString("North"), LLColor4::white); } } } else if (world_snap_axis.mV[VY]) { if (i == 0) { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Left") : LLTrans::getString("North"), LLColor4::white); } else if (i == 16) { if (constraint_axis.mV[VX] > 0.f) { renderTickText(text_point, LLTrans::getString("Up"), LLColor4::white); } else { renderTickText(text_point, LLTrans::getString("Down"), LLColor4::white); } } else if (i == 32) { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Right") : LLTrans::getString("South"), LLColor4::white); } else { if (constraint_axis.mV[VX] > 0.f) { renderTickText(text_point, LLTrans::getString("Down"), LLColor4::white); } else { renderTickText(text_point, LLTrans::getString("Up"), LLColor4::white); } } } else if (world_snap_axis.mV[VZ]) { if (i == 0) { renderTickText(text_point, LLTrans::getString("Up"), LLColor4::white); } else if (i == 16) { if (constraint_axis.mV[VY] > 0.f) { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Forward") : LLTrans::getString("East"), LLColor4::white); } else { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Back") : LLTrans::getString("West"), LLColor4::white); } } else if (i == 32) { renderTickText(text_point, LLTrans::getString("Down"), LLColor4::white); } else { if (constraint_axis.mV[VY] > 0.f) { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Back") : LLTrans::getString("West"), LLColor4::white); } else { renderTickText(text_point, mObjectSelection->isAttachment() ? LLTrans::getString("Forward") : LLTrans::getString("East"), LLColor4::white); } } } } gGL.color4fv(line_color.mV); } // now render projected object axis if (mInSnapRegime) { LLVector3 object_axis; getObjectAxisClosestToMouse(object_axis); // project onto constraint plane LLSelectNode* first_node = mObjectSelection->getFirstMoveableNode(TRUE); object_axis = object_axis * first_node->getObject()->getRenderRotation(); object_axis = object_axis - (object_axis * getConstraintAxis()) * getConstraintAxis(); object_axis.normVec(); object_axis = object_axis * SNAP_GUIDE_INNER_RADIUS * mRadiusMeters + center; LLVector3 line_start = center; gGL.begin(LLRender::LINES); { gGL.vertex3fv(line_start.mV); gGL.vertex3fv(object_axis.mV); } gGL.end(); // draw snap guide arrow gGL.begin(LLRender::TRIANGLES); { LLVector3 arrow_dir; LLVector3 arrow_span = (object_axis - line_start) % getConstraintAxis(); arrow_span.normVec(); arrow_dir = mCamEdgeOn ? getConstraintAxis() : object_axis - line_start; arrow_dir.normVec(); if (ring_num == 1) { arrow_dir *= -1.f; } gGL.vertex3fv((object_axis + arrow_dir * mRadiusMeters * 0.1f).mV); gGL.vertex3fv((object_axis + arrow_span * mRadiusMeters * 0.1f).mV); gGL.vertex3fv((object_axis - arrow_span * mRadiusMeters * 0.1f).mV); } gGL.end(); { LLGLDepthTest gls_depth(GL_TRUE); gGL.begin(LLRender::LINES); { gGL.vertex3fv(line_start.mV); gGL.vertex3fv(object_axis.mV); } gGL.end(); // draw snap guide arrow gGL.begin(LLRender::TRIANGLES); { LLVector3 arrow_dir; LLVector3 arrow_span = (object_axis - line_start) % getConstraintAxis(); arrow_span.normVec(); arrow_dir = mCamEdgeOn ? getConstraintAxis() : object_axis - line_start; arrow_dir.normVec(); if (ring_num == 1) { arrow_dir *= -1.f; } gGL.vertex3fv((object_axis + arrow_dir * mRadiusMeters * 0.1f).mV); gGL.vertex3fv((object_axis + arrow_span * mRadiusMeters * 0.1f).mV); gGL.vertex3fv((object_axis - arrow_span * mRadiusMeters * 0.1f).mV); } gGL.end(); } } } } } // Returns TRUE if center of sphere is visible. Also sets a bunch of member variables that are used later (e.g. mCenterToCam) BOOL LLManipRotate::updateVisiblity() { // Don't want to recalculate the center of the selection during a drag. // Due to packet delays, sometimes half the objects in the selection have their // new position and half have their old one. This creates subtle errors in the // computed center position for that frame. Unfortunately, these errors // accumulate. The result is objects seem to "fly apart" during rotations. // JC - 03.26.2002 if (!hasMouseCapture()) { mRotationCenter = gAgent.getPosGlobalFromAgent( getPivotPoint() );//LLSelectMgr::getInstance()->getSelectionCenterGlobal(); } BOOL visible = FALSE; LLVector3 center = gAgent.getPosAgentFromGlobal( mRotationCenter ); if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) { mCenterToCam = LLVector3(-1.f / gAgent.mHUDCurZoom, 0.f, 0.f); mCenterToCamNorm = mCenterToCam; mCenterToCamMag = mCenterToCamNorm.normVec(); mRadiusMeters = RADIUS_PIXELS / (F32) LLViewerCamera::getInstance()->getViewHeightInPixels(); mRadiusMeters /= gAgent.mHUDCurZoom; mCenterToProfilePlaneMag = mRadiusMeters * mRadiusMeters / mCenterToCamMag; mCenterToProfilePlane = -mCenterToProfilePlaneMag * mCenterToCamNorm; // x axis range is (-aspect * 0.5f, +aspect * 0.5) // y axis range is (-0.5, 0.5) // so use getWorldViewHeightRaw as scale factor when converting to pixel coordinates mCenterScreen.set((S32)((0.5f - center.mV[VY]) / gAgent.mHUDCurZoom * gViewerWindow->getWorldViewHeightScaled()), (S32)((center.mV[VZ] + 0.5f) / gAgent.mHUDCurZoom * gViewerWindow->getWorldViewHeightScaled())); visible = TRUE; } else { visible = LLViewerCamera::getInstance()->projectPosAgentToScreen(center, mCenterScreen ); if( visible ) { mCenterToCam = gAgent.getCameraPositionAgent() - center; mCenterToCamNorm = mCenterToCam; mCenterToCamMag = mCenterToCamNorm.normVec(); LLVector3 cameraAtAxis = LLViewerCamera::getInstance()->getAtAxis(); cameraAtAxis.normVec(); F32 z_dist = -1.f * (mCenterToCam * cameraAtAxis); // Don't drag manip if object too far away if (gSavedSettings.getBOOL("LimitSelectDistance")) { F32 max_select_distance = gSavedSettings.getF32("MaxSelectDistance"); if (dist_vec(gAgent.getPositionAgent(), center) > max_select_distance) { visible = FALSE; } } if (mCenterToCamMag > 0.001f) { F32 fraction_of_fov = RADIUS_PIXELS / (F32) LLViewerCamera::getInstance()->getViewHeightInPixels(); F32 apparent_angle = fraction_of_fov * LLViewerCamera::getInstance()->getView(); // radians mRadiusMeters = z_dist * tan(apparent_angle); mCenterToProfilePlaneMag = mRadiusMeters * mRadiusMeters / mCenterToCamMag; mCenterToProfilePlane = -mCenterToProfilePlaneMag * mCenterToCamNorm; } else { visible = FALSE; } } } mCamEdgeOn = FALSE; F32 axis_onto_cam = mManipPart >= LL_ROT_X ? llabs( getConstraintAxis() * mCenterToCamNorm ) : 0.f; if( axis_onto_cam < AXIS_ONTO_CAM_TOLERANCE ) { mCamEdgeOn = TRUE; } return visible; } LLQuaternion LLManipRotate::dragUnconstrained( S32 x, S32 y ) { LLVector3 cam = gAgent.getCameraPositionAgent(); LLVector3 center = gAgent.getPosAgentFromGlobal( mRotationCenter ); mMouseCur = intersectMouseWithSphere( x, y, center, mRadiusMeters); F32 delta_x = (F32)(mCenterScreen.mX - x); F32 delta_y = (F32)(mCenterScreen.mY - y); F32 dist_from_sphere_center = sqrt(delta_x * delta_x + delta_y * delta_y); LLVector3 axis = mMouseDown % mMouseCur; axis.normVec(); F32 angle = acos(mMouseDown * mMouseCur); LLQuaternion sphere_rot( angle, axis ); if (is_approx_zero(1.f - mMouseDown * mMouseCur)) { return LLQuaternion::DEFAULT; } else if (dist_from_sphere_center < RADIUS_PIXELS) { return sphere_rot; } else { LLVector3 intersection; getMousePointOnPlaneAgent( intersection, x, y, center + mCenterToProfilePlane, mCenterToCamNorm ); // amount dragging in sphere from center to periphery would rotate object F32 in_sphere_angle = F_PI_BY_TWO; F32 dist_to_tangent_point = mRadiusMeters; if( !is_approx_zero( mCenterToProfilePlaneMag ) ) { dist_to_tangent_point = sqrt( mRadiusMeters * mRadiusMeters - mCenterToProfilePlaneMag * mCenterToProfilePlaneMag ); in_sphere_angle = atan2( dist_to_tangent_point, mCenterToProfilePlaneMag ); } LLVector3 profile_center_to_intersection = intersection - (center + mCenterToProfilePlane); F32 dist_to_intersection = profile_center_to_intersection.normVec(); F32 angle = (-1.f + dist_to_intersection / dist_to_tangent_point) * in_sphere_angle; LLVector3 axis; if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) { axis = LLVector3(-1.f, 0.f, 0.f) % profile_center_to_intersection; } else { axis = (cam - center) % profile_center_to_intersection; axis.normVec(); } return sphere_rot * LLQuaternion( angle, axis ); } } LLVector3 LLManipRotate::getConstraintAxis() { LLVector3 axis; if( LL_ROT_ROLL == mManipPart ) { axis = mCenterToCamNorm; } else { S32 axis_dir = mManipPart - LL_ROT_X; if ((axis_dir >= 0) && (axis_dir < 3)) { axis.mV[axis_dir] = 1.f; } else { #ifndef LL_RELEASE_FOR_DOWNLOAD llerrs << "Got bogus hit part in LLManipRotate::getConstraintAxis():" << mManipPart << llendl; #else llwarns << "Got bogus hit part in LLManipRotate::getConstraintAxis():" << mManipPart << llendl; #endif axis.mV[0] = 1.f; } LLVector3 grid_origin; LLVector3 grid_scale; LLQuaternion grid_rotation; LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rotation, grid_scale); LLSelectNode* first_node = mObjectSelection->getFirstMoveableNode(TRUE); if (first_node) { // *FIX: get agent local attachment grid working // Put rotation into frame of first selected root object axis = axis * grid_rotation; } } return axis; } LLQuaternion LLManipRotate::dragConstrained( S32 x, S32 y ) { LLSelectNode* first_object_node = mObjectSelection->getFirstMoveableNode(TRUE); LLVector3 constraint_axis = getConstraintAxis(); LLVector3 center = gAgent.getPosAgentFromGlobal( mRotationCenter ); F32 angle = 0.f; // build snap axes LLVector3 grid_origin; LLVector3 grid_scale; LLQuaternion grid_rotation; LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rotation, grid_scale); LLVector3 axis1; LLVector3 axis2; LLVector3 test_axis = constraint_axis; if (mObjectSelection->getSelectType() == SELECT_TYPE_ATTACHMENT && gAgent.getAvatarObject()) { test_axis = test_axis * ~grid_rotation; } else if (LLSelectMgr::getInstance()->getGridMode() == GRID_MODE_REF_OBJECT) { test_axis = test_axis * ~grid_rotation; } test_axis.abs(); // find closest global axis to constraint axis; if (test_axis.mV[VX] > test_axis.mV[VY] && test_axis.mV[VX] > test_axis.mV[VZ]) { axis1 = LLVector3::y_axis; } else if (test_axis.mV[VY] > test_axis.mV[VZ]) { axis1 = LLVector3::z_axis; } else { axis1 = LLVector3::x_axis; } if (mObjectSelection->getSelectType() == SELECT_TYPE_ATTACHMENT && gAgent.getAvatarObject()) { axis1 = axis1 * grid_rotation; } else if (LLSelectMgr::getInstance()->getGridMode() == GRID_MODE_REF_OBJECT) { axis1 = axis1 * grid_rotation; } //project axis onto constraint plane axis1 -= (axis1 * constraint_axis) * constraint_axis; axis1.normVec(); // calculate third and final axis axis2 = constraint_axis % axis1; //F32 axis_onto_cam = llabs( constraint_axis * mCenterToCamNorm ); if( mCamEdgeOn ) { // We're looking at the ring edge-on. LLVector3 snap_plane_center = (center + (constraint_axis * mRadiusMeters * 0.5f)); LLVector3 cam_to_snap_plane; if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) { cam_to_snap_plane.setVec(1.f, 0.f, 0.f); } else { cam_to_snap_plane = snap_plane_center - gAgent.getCameraPositionAgent(); cam_to_snap_plane.normVec(); } LLVector3 projected_mouse; BOOL hit = getMousePointOnPlaneAgent(projected_mouse, x, y, snap_plane_center, constraint_axis); projected_mouse -= snap_plane_center; S32 snap_plane = 0; F32 dot = cam_to_snap_plane * constraint_axis; if (llabs(dot) < 0.01f) { // looking at ring edge on, project onto view plane and check if mouse is past ring getMousePointOnPlaneAgent(projected_mouse, x, y, snap_plane_center, cam_to_snap_plane); projected_mouse -= snap_plane_center; dot = projected_mouse * constraint_axis; if (projected_mouse * constraint_axis > 0) { snap_plane = 1; } projected_mouse -= dot * constraint_axis; } else if (dot > 0.f) { // look for mouse position outside and in front of snap circle if (hit && projected_mouse.magVec() > SNAP_GUIDE_INNER_RADIUS * mRadiusMeters && projected_mouse * cam_to_snap_plane < 0.f) { snap_plane = 1; } } else { // look for mouse position inside or in back of snap circle if (projected_mouse.magVec() < SNAP_GUIDE_INNER_RADIUS * mRadiusMeters || projected_mouse * cam_to_snap_plane > 0.f || !hit) { snap_plane = 1; } } if (snap_plane == 0) { // try other plane snap_plane_center = (center - (constraint_axis * mRadiusMeters * 0.5f)); if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) { cam_to_snap_plane.setVec(1.f, 0.f, 0.f); } else { cam_to_snap_plane = snap_plane_center - gAgent.getCameraPositionAgent(); cam_to_snap_plane.normVec(); } hit = getMousePointOnPlaneAgent(projected_mouse, x, y, snap_plane_center, constraint_axis); projected_mouse -= snap_plane_center; dot = cam_to_snap_plane * constraint_axis; if (llabs(dot) < 0.01f) { // looking at ring edge on, project onto view plane and check if mouse is past ring getMousePointOnPlaneAgent(projected_mouse, x, y, snap_plane_center, cam_to_snap_plane); projected_mouse -= snap_plane_center; dot = projected_mouse * constraint_axis; if (projected_mouse * constraint_axis < 0) { snap_plane = 2; } projected_mouse -= dot * constraint_axis; } else if (dot < 0.f) { // look for mouse position outside and in front of snap circle if (hit && projected_mouse.magVec() > SNAP_GUIDE_INNER_RADIUS * mRadiusMeters && projected_mouse * cam_to_snap_plane < 0.f) { snap_plane = 2; } } else { // look for mouse position inside or in back of snap circle if (projected_mouse.magVec() < SNAP_GUIDE_INNER_RADIUS * mRadiusMeters || projected_mouse * cam_to_snap_plane > 0.f || !hit) { snap_plane = 2; } } } if (snap_plane > 0) { LLVector3 cam_at_axis; if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) { cam_at_axis.setVec(1.f, 0.f, 0.f); } else { cam_at_axis = snap_plane_center - gAgent.getCameraPositionAgent(); cam_at_axis.normVec(); } // first, project mouse onto screen plane at point tangent to rotation radius. getMousePointOnPlaneAgent(projected_mouse, x, y, snap_plane_center, cam_at_axis); // project that point onto rotation plane projected_mouse -= snap_plane_center; projected_mouse -= projected_vec(projected_mouse, constraint_axis); F32 mouse_lateral_dist = llmin(SNAP_GUIDE_INNER_RADIUS * mRadiusMeters, projected_mouse.magVec()); F32 mouse_depth = SNAP_GUIDE_INNER_RADIUS * mRadiusMeters; if (llabs(mouse_lateral_dist) > 0.01f) { mouse_depth = sqrtf((SNAP_GUIDE_INNER_RADIUS * mRadiusMeters) * (SNAP_GUIDE_INNER_RADIUS * mRadiusMeters) - (mouse_lateral_dist * mouse_lateral_dist)); } LLVector3 projected_camera_at = cam_at_axis - projected_vec(cam_at_axis, constraint_axis); projected_mouse -= mouse_depth * projected_camera_at; if (!mInSnapRegime) { mSmoothRotate = TRUE; } mInSnapRegime = TRUE; // 0 to 360 deg F32 mouse_angle = fmodf(atan2(projected_mouse * axis1, projected_mouse * axis2) * RAD_TO_DEG + 360.f, 360.f); F32 relative_mouse_angle = fmodf(mouse_angle + (SNAP_ANGLE_DETENTE / 2), SNAP_ANGLE_INCREMENT); //fmodf(llround(mouse_angle * RAD_TO_DEG, 7.5f) + 360.f, 360.f); LLVector3 object_axis; getObjectAxisClosestToMouse(object_axis); object_axis = object_axis * first_object_node->mSavedRotation; // project onto constraint plane object_axis = object_axis - (object_axis * getConstraintAxis()) * getConstraintAxis(); object_axis.normVec(); if (relative_mouse_angle < SNAP_ANGLE_DETENTE) { F32 quantized_mouse_angle = mouse_angle - (relative_mouse_angle - (SNAP_ANGLE_DETENTE * 0.5f)); angle = (quantized_mouse_angle * DEG_TO_RAD) - atan2(object_axis * axis1, object_axis * axis2); } else { angle = (mouse_angle * DEG_TO_RAD) - atan2(object_axis * axis1, object_axis * axis2); } return LLQuaternion( -angle, constraint_axis ); } else { if (mInSnapRegime) { mSmoothRotate = TRUE; } mInSnapRegime = FALSE; LLVector3 up_from_axis = mCenterToCamNorm % constraint_axis; up_from_axis.normVec(); LLVector3 cur_intersection; getMousePointOnPlaneAgent(cur_intersection, x, y, center, mCenterToCam); cur_intersection -= center; mMouseCur = projected_vec(cur_intersection, up_from_axis); F32 mouse_depth = SNAP_GUIDE_INNER_RADIUS * mRadiusMeters; F32 mouse_dist_sqrd = mMouseCur.magVecSquared(); if (mouse_dist_sqrd > 0.0001f) { mouse_depth = sqrtf((SNAP_GUIDE_INNER_RADIUS * mRadiusMeters) * (SNAP_GUIDE_INNER_RADIUS * mRadiusMeters) - mouse_dist_sqrd); } LLVector3 projected_center_to_cam = mCenterToCamNorm - projected_vec(mCenterToCamNorm, constraint_axis); mMouseCur += mouse_depth * projected_center_to_cam; F32 dist = (cur_intersection * up_from_axis) - (mMouseDown * up_from_axis); angle = dist / (SNAP_GUIDE_INNER_RADIUS * mRadiusMeters) * -F_PI_BY_TWO; } } else { LLVector3 projected_mouse; getMousePointOnPlaneAgent(projected_mouse, x, y, center, constraint_axis); projected_mouse -= center; mMouseCur = projected_mouse; mMouseCur.normVec(); if (!first_object_node) { return LLQuaternion::DEFAULT; } if (gSavedSettings.getBOOL("SnapEnabled") && projected_mouse.magVec() > SNAP_GUIDE_INNER_RADIUS * mRadiusMeters) { if (!mInSnapRegime) { mSmoothRotate = TRUE; } mInSnapRegime = TRUE; // 0 to 360 deg F32 mouse_angle = fmodf(atan2(projected_mouse * axis1, projected_mouse * axis2) * RAD_TO_DEG + 360.f, 360.f); F32 relative_mouse_angle = fmodf(mouse_angle + (SNAP_ANGLE_DETENTE / 2), SNAP_ANGLE_INCREMENT); //fmodf(llround(mouse_angle * RAD_TO_DEG, 7.5f) + 360.f, 360.f); LLVector3 object_axis; getObjectAxisClosestToMouse(object_axis); object_axis = object_axis * first_object_node->mSavedRotation; // project onto constraint plane object_axis = object_axis - (object_axis * getConstraintAxis()) * getConstraintAxis(); object_axis.normVec(); if (relative_mouse_angle < SNAP_ANGLE_DETENTE) { F32 quantized_mouse_angle = mouse_angle - (relative_mouse_angle - (SNAP_ANGLE_DETENTE * 0.5f)); angle = (quantized_mouse_angle * DEG_TO_RAD) - atan2(object_axis * axis1, object_axis * axis2); } else { angle = (mouse_angle * DEG_TO_RAD) - atan2(object_axis * axis1, object_axis * axis2); } return LLQuaternion( -angle, constraint_axis ); } else { if (mInSnapRegime) { mSmoothRotate = TRUE; } mInSnapRegime = FALSE; } angle = acos(mMouseCur * mMouseDown); F32 dir = (mMouseDown % mMouseCur) * constraint_axis; // cross product if( dir < 0.f ) { angle *= -1.f; } } F32 rot_step = gSavedSettings.getF32("RotationStep"); F32 step_size = DEG_TO_RAD * rot_step; angle -= fmod(angle, step_size); return LLQuaternion( angle, constraint_axis ); } LLVector3 LLManipRotate::intersectMouseWithSphere( S32 x, S32 y, const LLVector3& sphere_center, F32 sphere_radius) { LLVector3 ray_pt; LLVector3 ray_dir; mouseToRay( x, y, &ray_pt, &ray_dir); return intersectRayWithSphere( ray_pt, ray_dir, sphere_center, sphere_radius ); } LLVector3 LLManipRotate::intersectRayWithSphere( const LLVector3& ray_pt, const LLVector3& ray_dir, const LLVector3& sphere_center, F32 sphere_radius) { LLVector3 ray_pt_to_center = sphere_center - ray_pt; F32 center_distance = ray_pt_to_center.normVec(); F32 dot = ray_dir * ray_pt_to_center; if (dot == 0.f) { return LLVector3::zero; } // point which ray hits plane centered on sphere origin, facing ray origin LLVector3 intersection_sphere_plane = ray_pt + (ray_dir * center_distance / dot); // vector from sphere origin to the point, normalized to sphere radius LLVector3 sphere_center_to_intersection = (intersection_sphere_plane - sphere_center) / sphere_radius; F32 dist_squared = sphere_center_to_intersection.magVecSquared(); LLVector3 result; if (dist_squared > 1.f) { result = sphere_center_to_intersection; result.normVec(); } else { result = sphere_center_to_intersection - ray_dir * sqrt(1.f - dist_squared); } return result; } // Utility function. Should probably be moved to another class. //static void LLManipRotate::mouseToRay( S32 x, S32 y, LLVector3* ray_pt, LLVector3* ray_dir ) { if (LLSelectMgr::getInstance()->getSelection()->getSelectType() == SELECT_TYPE_HUD) { F32 mouse_x = (((F32)x / gViewerWindow->getWorldViewRectScaled().getWidth()) - 0.5f) / gAgent.mHUDCurZoom; F32 mouse_y = ((((F32)y) / gViewerWindow->getWorldViewRectScaled().getHeight()) - 0.5f) / gAgent.mHUDCurZoom; *ray_pt = LLVector3(-1.f, -mouse_x, mouse_y); *ray_dir = LLVector3(1.f, 0.f, 0.f); } else { *ray_pt = gAgent.getCameraPositionAgent(); LLViewerCamera::getInstance()->projectScreenToPosAgent(x, y, ray_dir); *ray_dir -= *ray_pt; ray_dir->normVec(); } } void LLManipRotate::highlightManipulators( S32 x, S32 y ) { mHighlightedPart = LL_NO_PART; //LLBBox bbox = LLSelectMgr::getInstance()->getBBoxOfSelection(); LLViewerObject *first_object = mObjectSelection->getFirstMoveableObject(TRUE); if (!first_object) { return; } LLQuaternion object_rot = first_object->getRenderRotation(); LLVector3 rotation_center = gAgent.getPosAgentFromGlobal(mRotationCenter); LLVector3 mouse_dir_x; LLVector3 mouse_dir_y; LLVector3 mouse_dir_z; LLVector3 intersection_roll; LLVector3 grid_origin; LLVector3 grid_scale; LLQuaternion grid_rotation; LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rotation, grid_scale); LLVector3 rot_x_axis = LLVector3::x_axis * grid_rotation; LLVector3 rot_y_axis = LLVector3::y_axis * grid_rotation; LLVector3 rot_z_axis = LLVector3::z_axis * grid_rotation; F32 proj_rot_x_axis = llabs(rot_x_axis * mCenterToCamNorm); F32 proj_rot_y_axis = llabs(rot_y_axis * mCenterToCamNorm); F32 proj_rot_z_axis = llabs(rot_z_axis * mCenterToCamNorm); F32 min_select_distance = 0.f; F32 cur_select_distance = 0.f; // test x getMousePointOnPlaneAgent(mouse_dir_x, x, y, rotation_center, rot_x_axis); mouse_dir_x -= rotation_center; // push intersection point out when working at obtuse angle to make ring easier to hit mouse_dir_x *= 1.f + (1.f - llabs(rot_x_axis * mCenterToCamNorm)) * 0.1f; // test y getMousePointOnPlaneAgent(mouse_dir_y, x, y, rotation_center, rot_y_axis); mouse_dir_y -= rotation_center; mouse_dir_y *= 1.f + (1.f - llabs(rot_y_axis * mCenterToCamNorm)) * 0.1f; // test z getMousePointOnPlaneAgent(mouse_dir_z, x, y, rotation_center, rot_z_axis); mouse_dir_z -= rotation_center; mouse_dir_z *= 1.f + (1.f - llabs(rot_z_axis * mCenterToCamNorm)) * 0.1f; // test roll getMousePointOnPlaneAgent(intersection_roll, x, y, rotation_center, mCenterToCamNorm); intersection_roll -= rotation_center; F32 dist_x = mouse_dir_x.normVec(); F32 dist_y = mouse_dir_y.normVec(); F32 dist_z = mouse_dir_z.normVec(); F32 distance_threshold = (MAX_MANIP_SELECT_DISTANCE * mRadiusMeters) / gViewerWindow->getWorldViewHeightScaled(); if (llabs(dist_x - mRadiusMeters) * llmax(0.05f, proj_rot_x_axis) < distance_threshold) { // selected x cur_select_distance = dist_x * mouse_dir_x * mCenterToCamNorm; if (cur_select_distance >= -0.05f && (min_select_distance == 0.f || cur_select_distance > min_select_distance)) { min_select_distance = cur_select_distance; mHighlightedPart = LL_ROT_X; } } if (llabs(dist_y - mRadiusMeters) * llmax(0.05f, proj_rot_y_axis) < distance_threshold) { // selected y cur_select_distance = dist_y * mouse_dir_y * mCenterToCamNorm; if (cur_select_distance >= -0.05f && (min_select_distance == 0.f || cur_select_distance > min_select_distance)) { min_select_distance = cur_select_distance; mHighlightedPart = LL_ROT_Y; } } if (llabs(dist_z - mRadiusMeters) * llmax(0.05f, proj_rot_z_axis) < distance_threshold) { // selected z cur_select_distance = dist_z * mouse_dir_z * mCenterToCamNorm; if (cur_select_distance >= -0.05f && (min_select_distance == 0.f || cur_select_distance > min_select_distance)) { min_select_distance = cur_select_distance; mHighlightedPart = LL_ROT_Z; } } // test for edge-on intersections if (proj_rot_x_axis < 0.05f) { if ((proj_rot_y_axis > 0.05f && (dist_y * llabs(mouse_dir_y * rot_x_axis) < distance_threshold) && dist_y < mRadiusMeters) || (proj_rot_z_axis > 0.05f && (dist_z * llabs(mouse_dir_z * rot_x_axis) < distance_threshold) && dist_z < mRadiusMeters)) { mHighlightedPart = LL_ROT_X; } } if (proj_rot_y_axis < 0.05f) { if ((proj_rot_x_axis > 0.05f && (dist_x * llabs(mouse_dir_x * rot_y_axis) < distance_threshold) && dist_x < mRadiusMeters) || (proj_rot_z_axis > 0.05f && (dist_z * llabs(mouse_dir_z * rot_y_axis) < distance_threshold) && dist_z < mRadiusMeters)) { mHighlightedPart = LL_ROT_Y; } } if (proj_rot_z_axis < 0.05f) { if ((proj_rot_x_axis > 0.05f && (dist_x * llabs(mouse_dir_x * rot_z_axis) < distance_threshold) && dist_x < mRadiusMeters) || (proj_rot_y_axis > 0.05f && (dist_y * llabs(mouse_dir_y * rot_z_axis) < distance_threshold) && dist_y < mRadiusMeters)) { mHighlightedPart = LL_ROT_Z; } } // test for roll if (mHighlightedPart == LL_NO_PART) { F32 roll_distance = intersection_roll.magVec(); F32 width_meters = WIDTH_PIXELS * mRadiusMeters / RADIUS_PIXELS; // use larger distance threshold for roll as it is checked only if something else wasn't highlighted if (llabs(roll_distance - (mRadiusMeters + (width_meters * 2.f))) < distance_threshold * 2.f) { mHighlightedPart = LL_ROT_ROLL; } else if (roll_distance < mRadiusMeters) { mHighlightedPart = LL_ROT_GENERAL; } } } S32 LLManipRotate::getObjectAxisClosestToMouse(LLVector3& object_axis) { LLSelectNode* first_object_node = mObjectSelection->getFirstMoveableNode(TRUE); if (!first_object_node) { object_axis.clearVec(); return -1; } LLQuaternion obj_rotation = first_object_node->mSavedRotation; LLVector3 mouse_down_object = mMouseDown * ~obj_rotation; LLVector3 mouse_down_abs = mouse_down_object; mouse_down_abs.abs(); S32 axis_index = 0; if (mouse_down_abs.mV[VX] > mouse_down_abs.mV[VY] && mouse_down_abs.mV[VX] > mouse_down_abs.mV[VZ]) { if (mouse_down_object.mV[VX] > 0.f) { object_axis = LLVector3::x_axis; } else { object_axis = LLVector3::x_axis_neg; } axis_index = VX; } else if (mouse_down_abs.mV[VY] > mouse_down_abs.mV[VZ]) { if (mouse_down_object.mV[VY] > 0.f) { object_axis = LLVector3::y_axis; } else { object_axis = LLVector3::y_axis_neg; } axis_index = VY; } else { if (mouse_down_object.mV[VZ] > 0.f) { object_axis = LLVector3::z_axis; } else { object_axis = LLVector3::z_axis_neg; } axis_index = VZ; } return axis_index; } //virtual BOOL LLManipRotate::canAffectSelection() { BOOL can_rotate = mObjectSelection->getObjectCount() != 0; if (can_rotate) { struct f : public LLSelectedObjectFunctor { virtual bool apply(LLViewerObject* objectp) { return objectp->permMove() && (objectp->permModify() || !gSavedSettings.getBOOL("EditLinkedParts")); } } func; can_rotate = mObjectSelection->applyToObjects(&func); } return can_rotate; }