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Diffstat (limited to 'indra/newview/llagentcamera.cpp')
| -rw-r--r-- | indra/newview/llagentcamera.cpp | 2869 |
1 files changed, 2869 insertions, 0 deletions
diff --git a/indra/newview/llagentcamera.cpp b/indra/newview/llagentcamera.cpp new file mode 100644 index 0000000000..9638d0e94f --- /dev/null +++ b/indra/newview/llagentcamera.cpp @@ -0,0 +1,2869 @@ +/** + * @file llagentcamera.cpp + * @brief LLAgent class implementation + * + * $LicenseInfo:firstyear=2001&license=viewergpl$ + * + * Copyright (c) 2001-2009, 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 "llagentcamera.h" + +#include "pipeline.h" + +#include "llagent.h" +#include "llanimationstates.h" +#include "llfloatercamera.h" +#include "llfloatercustomize.h" +#include "llfloaterreg.h" +#include "llhudmanager.h" +#include "lljoystickbutton.h" +#include "llselectmgr.h" +#include "llsmoothstep.h" +#include "lltoolmgr.h" +#include "llviewercamera.h" +#include "llviewercontrol.h" +#include "llviewerjoystick.h" +#include "llviewerobjectlist.h" +#include "llviewerregion.h" +#include "llviewerwindow.h" +#include "llvoavatarself.h" +#include "llwindow.h" +#include "llworld.h" + +using namespace LLVOAvatarDefines; + +extern LLMenuBarGL* gMenuBarView; + +// Mousewheel camera zoom +const F32 MIN_ZOOM_FRACTION = 0.25f; +const F32 INITIAL_ZOOM_FRACTION = 1.f; +const F32 MAX_ZOOM_FRACTION = 8.f; + +const F32 CAMERA_ZOOM_HALF_LIFE = 0.07f; // seconds +const F32 FOV_ZOOM_HALF_LIFE = 0.07f; // seconds + +const F32 CAMERA_FOCUS_HALF_LIFE = 0.f;//0.02f; +const F32 CAMERA_LAG_HALF_LIFE = 0.25f; +const F32 MIN_CAMERA_LAG = 0.5f; +const F32 MAX_CAMERA_LAG = 5.f; + +const F32 CAMERA_COLLIDE_EPSILON = 0.1f; +const F32 MIN_CAMERA_DISTANCE = 0.1f; + +const F32 AVATAR_ZOOM_MIN_X_FACTOR = 0.55f; +const F32 AVATAR_ZOOM_MIN_Y_FACTOR = 0.7f; +const F32 AVATAR_ZOOM_MIN_Z_FACTOR = 1.15f; + +const F32 MAX_CAMERA_DISTANCE_FROM_AGENT = 50.f; + +const F32 MAX_CAMERA_SMOOTH_DISTANCE = 50.0f; + +const F32 HEAD_BUFFER_SIZE = 0.3f; + +const F32 CUSTOMIZE_AVATAR_CAMERA_ANIM_SLOP = 0.2f; + +const F32 LAND_MIN_ZOOM = 0.15f; + +const F32 AVATAR_MIN_ZOOM = 0.5f; +const F32 OBJECT_MIN_ZOOM = 0.02f; + +const F32 APPEARANCE_MIN_ZOOM = 0.39f; +const F32 APPEARANCE_MAX_ZOOM = 8.f; + +const F32 GROUND_TO_AIR_CAMERA_TRANSITION_TIME = 0.5f; +const F32 GROUND_TO_AIR_CAMERA_TRANSITION_START_TIME = 0.5f; + +const F32 OBJECT_EXTENTS_PADDING = 0.5f; + +// The agent instance. +LLAgentCamera gAgentCamera; + +//----------------------------------------------------------------------------- +// LLAgentCamera() +//----------------------------------------------------------------------------- +LLAgentCamera::LLAgentCamera() : + mInitialized(false), + + mDrawDistance( DEFAULT_FAR_PLANE ), + + mLookAt(NULL), + mPointAt(NULL), + + mHUDTargetZoom(1.f), + mHUDCurZoom(1.f), + + mForceMouselook(FALSE), + + mCameraMode( CAMERA_MODE_THIRD_PERSON ), + mLastCameraMode( CAMERA_MODE_THIRD_PERSON ), + + mCameraPreset(CAMERA_PRESET_REAR_VIEW), + + mCameraAnimating( FALSE ), + mAnimationCameraStartGlobal(), + mAnimationFocusStartGlobal(), + mAnimationTimer(), + mAnimationDuration(0.33f), + + mCameraFOVZoomFactor(0.f), + mCameraCurrentFOVZoomFactor(0.f), + mCameraFocusOffset(), + mCameraFOVDefault(DEFAULT_FIELD_OF_VIEW), + + mCameraCollidePlane(), + + mCurrentCameraDistance(2.f), // meters, set in init() + mTargetCameraDistance(2.f), + mCameraZoomFraction(1.f), // deprecated + mThirdPersonHeadOffset(0.f, 0.f, 1.f), + mSitCameraEnabled(FALSE), + mCameraSmoothingLastPositionGlobal(), + mCameraSmoothingLastPositionAgent(), + mCameraSmoothingStop(false), + + mCameraUpVector(LLVector3::z_axis), // default is straight up + + mFocusOnAvatar(TRUE), + mFocusGlobal(), + mFocusTargetGlobal(), + mFocusObject(NULL), + mFocusObjectDist(0.f), + mFocusObjectOffset(), + mFocusDotRadius( 0.1f ), // meters + mTrackFocusObject(TRUE), + mUIOffset(0.f), + + mAtKey(0), // Either 1, 0, or -1... indicates that movement-key is pressed + mWalkKey(0), // like AtKey, but causes less forward thrust + mLeftKey(0), + mUpKey(0), + mYawKey(0.f), + mPitchKey(0.f), + + mOrbitLeftKey(0.f), + mOrbitRightKey(0.f), + mOrbitUpKey(0.f), + mOrbitDownKey(0.f), + mOrbitInKey(0.f), + mOrbitOutKey(0.f), + + mPanUpKey(0.f), + mPanDownKey(0.f), + mPanLeftKey(0.f), + mPanRightKey(0.f), + mPanInKey(0.f), + mPanOutKey(0.f) +{ + mFollowCam.setMaxCameraDistantFromSubject( MAX_CAMERA_DISTANCE_FROM_AGENT ); + + clearGeneralKeys(); + clearOrbitKeys(); + clearPanKeys(); +} + +// Requires gSavedSettings to be initialized. +//----------------------------------------------------------------------------- +// init() +//----------------------------------------------------------------------------- +void LLAgentCamera::init() +{ + // *Note: this is where LLViewerCamera::getInstance() used to be constructed. + + mDrawDistance = gSavedSettings.getF32("RenderFarClip"); + + LLViewerCamera::getInstance()->setView(DEFAULT_FIELD_OF_VIEW); + // Leave at 0.1 meters until we have real near clip management + LLViewerCamera::getInstance()->setNear(0.1f); + LLViewerCamera::getInstance()->setFar(mDrawDistance); // if you want to change camera settings, do so in camera.h + LLViewerCamera::getInstance()->setAspect( gViewerWindow->getWorldViewAspectRatio() ); // default, overridden in LLViewerWindow::reshape + LLViewerCamera::getInstance()->setViewHeightInPixels(768); // default, overridden in LLViewerWindow::reshape + + mCameraFocusOffsetTarget = LLVector4(gSavedSettings.getVector3("CameraOffsetBuild")); + + mCameraPreset = (ECameraPreset) gSavedSettings.getU32("CameraPreset"); + + mCameraOffsetInitial[CAMERA_PRESET_REAR_VIEW] = gSavedSettings.getVector3("CameraOffsetRearView"); + mCameraOffsetInitial[CAMERA_PRESET_FRONT_VIEW] = gSavedSettings.getVector3("CameraOffsetFrontView"); + mCameraOffsetInitial[CAMERA_PRESET_GROUP_VIEW] = gSavedSettings.getVector3("CameraOffsetGroupView"); + + mFocusOffsetInitial[CAMERA_PRESET_REAR_VIEW] = gSavedSettings.getVector3d("FocusOffsetRearView"); + mFocusOffsetInitial[CAMERA_PRESET_FRONT_VIEW] = gSavedSettings.getVector3d("FocusOffsetFrontView"); + mFocusOffsetInitial[CAMERA_PRESET_GROUP_VIEW] = gSavedSettings.getVector3d("FocusOffsetGroupView"); + + mCameraCollidePlane.clearVec(); + mCurrentCameraDistance = getCameraOffsetInitial().magVec() * gSavedSettings.getF32("CameraOffsetScale"); + mTargetCameraDistance = mCurrentCameraDistance; + mCameraZoomFraction = 1.f; + mTrackFocusObject = gSavedSettings.getBOOL("TrackFocusObject"); + + mInitialized = true; +} + +//----------------------------------------------------------------------------- +// cleanup() +//----------------------------------------------------------------------------- +void LLAgentCamera::cleanup() +{ + setSitCamera(LLUUID::null); + + if(mLookAt) + { + mLookAt->markDead() ; + mLookAt = NULL; + } + if(mPointAt) + { + mPointAt->markDead() ; + mPointAt = NULL; + } + setFocusObject(NULL); +} + +void LLAgentCamera::setAvatarObject(LLVOAvatarSelf* avatar) +{ + if (!mLookAt) + { + mLookAt = (LLHUDEffectLookAt *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_LOOKAT); + } + if (!mPointAt) + { + mPointAt = (LLHUDEffectPointAt *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_POINTAT); + } + + if (!mLookAt.isNull()) + { + mLookAt->setSourceObject(avatar); + } + if (!mPointAt.isNull()) + { + mPointAt->setSourceObject(avatar); + } +} + +//----------------------------------------------------------------------------- +// LLAgent() +//----------------------------------------------------------------------------- +LLAgentCamera::~LLAgentCamera() +{ + cleanup(); + + // *Note: this is where LLViewerCamera::getInstance() used to be deleted. +} + +// Change camera back to third person, stop the autopilot, +// deselect stuff, etc. +//----------------------------------------------------------------------------- +// resetView() +//----------------------------------------------------------------------------- +void LLAgentCamera::resetView(BOOL reset_camera, BOOL change_camera) +{ + if (gAgent.getAutoPilot()) + { + gAgent.stopAutoPilot(TRUE); + } + + if (!gNoRender) + { + LLSelectMgr::getInstance()->unhighlightAll(); + + // By popular request, keep land selection while walking around. JC + // LLViewerParcelMgr::getInstance()->deselectLand(); + + // force deselect when walking and attachment is selected + // this is so people don't wig out when their avatar moves without animating + if (LLSelectMgr::getInstance()->getSelection()->isAttachment()) + { + LLSelectMgr::getInstance()->deselectAll(); + } + + // Hide all popup menus + gMenuHolder->hideMenus(); + } + + if (change_camera && !gSavedSettings.getBOOL("FreezeTime")) + { + changeCameraToDefault(); + + if (LLViewerJoystick::getInstance()->getOverrideCamera()) + { + handle_toggle_flycam(); + } + + // reset avatar mode from eventual residual motion + if (LLToolMgr::getInstance()->inBuildMode()) + { + LLViewerJoystick::getInstance()->moveAvatar(true); + } + + //Camera Tool is needed for Free Camera Control Mode + if (!LLFloaterCamera::inFreeCameraMode()) + { + LLFloaterReg::hideInstance("build"); + + // Switch back to basic toolset + LLToolMgr::getInstance()->setCurrentToolset(gBasicToolset); + } + + gViewerWindow->showCursor(); + } + + + if (reset_camera && !gSavedSettings.getBOOL("FreezeTime")) + { + if (!gViewerWindow->getLeftMouseDown() && cameraThirdPerson()) + { + // leaving mouse-steer mode + LLVector3 agent_at_axis = gAgent.getAtAxis(); + agent_at_axis -= projected_vec(agent_at_axis, gAgent.getReferenceUpVector()); + agent_at_axis.normalize(); + gAgent.resetAxes(lerp(gAgent.getAtAxis(), agent_at_axis, LLCriticalDamp::getInterpolant(0.3f))); + } + + setFocusOnAvatar(TRUE, ANIMATE); + + mCameraFOVZoomFactor = 0.f; + } + + mHUDTargetZoom = 1.f; +} + +// Allow camera to be moved somewhere other than behind avatar. +//----------------------------------------------------------------------------- +// unlockView() +//----------------------------------------------------------------------------- +void LLAgentCamera::unlockView() +{ + if (getFocusOnAvatar()) + { + if (isAgentAvatarValid()) + { + setFocusGlobal(LLVector3d::zero, gAgentAvatarp->mID); + } + setFocusOnAvatar(FALSE, FALSE); // no animation + } +} + +//----------------------------------------------------------------------------- +// slamLookAt() +//----------------------------------------------------------------------------- +void LLAgentCamera::slamLookAt(const LLVector3 &look_at) +{ + LLVector3 look_at_norm = look_at; + look_at_norm.mV[VZ] = 0.f; + look_at_norm.normalize(); + gAgent.resetAxes(look_at_norm); +} + +//----------------------------------------------------------------------------- +// calcFocusOffset() +//----------------------------------------------------------------------------- +LLVector3 LLAgentCamera::calcFocusOffset(LLViewerObject *object, LLVector3 original_focus_point, S32 x, S32 y) +{ + LLMatrix4 obj_matrix = object->getRenderMatrix(); + LLQuaternion obj_rot = object->getRenderRotation(); + LLVector3 obj_pos = object->getRenderPosition(); + + BOOL is_avatar = object->isAvatar(); + // if is avatar - don't do any funk heuristics to position the focal point + // see DEV-30589 + if (is_avatar) + { + return original_focus_point - obj_pos; + } + + + LLQuaternion inv_obj_rot = ~obj_rot; // get inverse of rotation + LLVector3 object_extents = object->getScale(); + // make sure they object extents are non-zero + object_extents.clamp(0.001f, F32_MAX); + + // obj_to_cam_ray is unit vector pointing from object center to camera, in the coordinate frame of the object + LLVector3 obj_to_cam_ray = obj_pos - LLViewerCamera::getInstance()->getOrigin(); + obj_to_cam_ray.rotVec(inv_obj_rot); + obj_to_cam_ray.normalize(); + + // obj_to_cam_ray_proportions are the (positive) ratios of + // the obj_to_cam_ray x,y,z components with the x,y,z object dimensions. + LLVector3 obj_to_cam_ray_proportions; + obj_to_cam_ray_proportions.mV[VX] = llabs(obj_to_cam_ray.mV[VX] / object_extents.mV[VX]); + obj_to_cam_ray_proportions.mV[VY] = llabs(obj_to_cam_ray.mV[VY] / object_extents.mV[VY]); + obj_to_cam_ray_proportions.mV[VZ] = llabs(obj_to_cam_ray.mV[VZ] / object_extents.mV[VZ]); + + // find the largest ratio stored in obj_to_cam_ray_proportions + // this corresponds to the object's local axial plane (XY, YZ, XZ) that is *most* facing the camera + LLVector3 longest_object_axis; + // is x-axis longest? + if (obj_to_cam_ray_proportions.mV[VX] > obj_to_cam_ray_proportions.mV[VY] + && obj_to_cam_ray_proportions.mV[VX] > obj_to_cam_ray_proportions.mV[VZ]) + { + // then grab it + longest_object_axis.setVec(obj_matrix.getFwdRow4()); + } + // is y-axis longest? + else if (obj_to_cam_ray_proportions.mV[VY] > obj_to_cam_ray_proportions.mV[VZ]) + { + // then grab it + longest_object_axis.setVec(obj_matrix.getLeftRow4()); + } + // otherwise, use z axis + else + { + longest_object_axis.setVec(obj_matrix.getUpRow4()); + } + + // Use this axis as the normal to project mouse click on to plane with that normal, at the object center. + // This generates a point behind the mouse cursor that is approximately in the middle of the object in + // terms of depth. + // We do this to allow the camera rotation tool to "tumble" the object by rotating the camera. + // If the focus point were the object surface under the mouse, camera rotation would introduce an undesirable + // eccentricity to the object orientation + LLVector3 focus_plane_normal(longest_object_axis); + focus_plane_normal.normalize(); + + LLVector3d focus_pt_global; + gViewerWindow->mousePointOnPlaneGlobal(focus_pt_global, x, y, gAgent.getPosGlobalFromAgent(obj_pos), focus_plane_normal); + LLVector3 focus_pt = gAgent.getPosAgentFromGlobal(focus_pt_global); + + // find vector from camera to focus point in object space + LLVector3 camera_to_focus_vec = focus_pt - LLViewerCamera::getInstance()->getOrigin(); + camera_to_focus_vec.rotVec(inv_obj_rot); + + // find vector from object origin to focus point in object coordinates + LLVector3 focus_offset_from_object_center = focus_pt - obj_pos; + // convert to object-local space + focus_offset_from_object_center.rotVec(inv_obj_rot); + + // We need to project the focus point back into the bounding box of the focused object. + // Do this by calculating the XYZ scale factors needed to get focus offset back in bounds along the camera_focus axis + LLVector3 clip_fraction; + + // for each axis... + for (U32 axis = VX; axis <= VZ; axis++) + { + //...calculate distance that focus offset sits outside of bounding box along that axis... + //NOTE: dist_out_of_bounds keeps the sign of focus_offset_from_object_center + F32 dist_out_of_bounds; + if (focus_offset_from_object_center.mV[axis] > 0.f) + { + dist_out_of_bounds = llmax(0.f, focus_offset_from_object_center.mV[axis] - (object_extents.mV[axis] * 0.5f)); + } + else + { + dist_out_of_bounds = llmin(0.f, focus_offset_from_object_center.mV[axis] + (object_extents.mV[axis] * 0.5f)); + } + + //...then calculate the scale factor needed to push camera_to_focus_vec back in bounds along current axis + if (llabs(camera_to_focus_vec.mV[axis]) < 0.0001f) + { + // don't divide by very small number + clip_fraction.mV[axis] = 0.f; + } + else + { + clip_fraction.mV[axis] = dist_out_of_bounds / camera_to_focus_vec.mV[axis]; + } + } + + LLVector3 abs_clip_fraction = clip_fraction; + abs_clip_fraction.abs(); + + // find axis of focus offset that is *most* outside the bounding box and use that to + // rescale focus offset to inside object extents + if (abs_clip_fraction.mV[VX] > abs_clip_fraction.mV[VY] + && abs_clip_fraction.mV[VX] > abs_clip_fraction.mV[VZ]) + { + focus_offset_from_object_center -= clip_fraction.mV[VX] * camera_to_focus_vec; + } + else if (abs_clip_fraction.mV[VY] > abs_clip_fraction.mV[VZ]) + { + focus_offset_from_object_center -= clip_fraction.mV[VY] * camera_to_focus_vec; + } + else + { + focus_offset_from_object_center -= clip_fraction.mV[VZ] * camera_to_focus_vec; + } + + // convert back to world space + focus_offset_from_object_center.rotVec(obj_rot); + + // now, based on distance of camera from object relative to object size + // push the focus point towards the near surface of the object when (relatively) close to the objcet + // or keep the focus point in the object middle when (relatively) far + // NOTE: leave focus point in middle of avatars, since the behavior you want when alt-zooming on avatars + // is almost always "tumble about middle" and not "spin around surface point" + if (!is_avatar) + { + LLVector3 obj_rel = original_focus_point - object->getRenderPosition(); + + //now that we have the object relative position, we should bias toward the center of the object + //based on the distance of the camera to the focus point vs. the distance of the camera to the focus + + F32 relDist = llabs(obj_rel * LLViewerCamera::getInstance()->getAtAxis()); + F32 viewDist = dist_vec(obj_pos + obj_rel, LLViewerCamera::getInstance()->getOrigin()); + + + LLBBox obj_bbox = object->getBoundingBoxAgent(); + F32 bias = 0.f; + + // virtual_camera_pos is the camera position we are simulating by backing the camera off + // and adjusting the FOV + LLVector3 virtual_camera_pos = gAgent.getPosAgentFromGlobal(mFocusTargetGlobal + (getCameraPositionGlobal() - mFocusTargetGlobal) / (1.f + mCameraFOVZoomFactor)); + + // if the camera is inside the object (large, hollow objects, for example) + // leave focus point all the way to destination depth, away from object center + if(!obj_bbox.containsPointAgent(virtual_camera_pos)) + { + // perform magic number biasing of focus point towards surface vs. planar center + bias = clamp_rescale(relDist/viewDist, 0.1f, 0.7f, 0.0f, 1.0f); + obj_rel = lerp(focus_offset_from_object_center, obj_rel, bias); + } + + focus_offset_from_object_center = obj_rel; + } + + return focus_offset_from_object_center; +} + +//----------------------------------------------------------------------------- +// calcCameraMinDistance() +//----------------------------------------------------------------------------- +BOOL LLAgentCamera::calcCameraMinDistance(F32 &obj_min_distance) +{ + BOOL soft_limit = FALSE; // is the bounding box to be treated literally (volumes) or as an approximation (avatars) + + if (!mFocusObject || mFocusObject->isDead()) + { + obj_min_distance = 0.f; + return TRUE; + } + + if (mFocusObject->mDrawable.isNull()) + { +#ifdef LL_RELEASE_FOR_DOWNLOAD + llwarns << "Focus object with no drawable!" << llendl; +#else + mFocusObject->dump(); + llerrs << "Focus object with no drawable!" << llendl; +#endif + obj_min_distance = 0.f; + return TRUE; + } + + LLQuaternion inv_object_rot = ~mFocusObject->getRenderRotation(); + LLVector3 target_offset_origin = mFocusObjectOffset; + LLVector3 camera_offset_target(getCameraPositionAgent() - gAgent.getPosAgentFromGlobal(mFocusTargetGlobal)); + + // convert offsets into object local space + camera_offset_target.rotVec(inv_object_rot); + target_offset_origin.rotVec(inv_object_rot); + + // push around object extents based on target offset + LLVector3 object_extents = mFocusObject->getScale(); + if (mFocusObject->isAvatar()) + { + // fudge factors that lets you zoom in on avatars a bit more (which don't do FOV zoom) + object_extents.mV[VX] *= AVATAR_ZOOM_MIN_X_FACTOR; + object_extents.mV[VY] *= AVATAR_ZOOM_MIN_Y_FACTOR; + object_extents.mV[VZ] *= AVATAR_ZOOM_MIN_Z_FACTOR; + soft_limit = TRUE; + } + LLVector3 abs_target_offset = target_offset_origin; + abs_target_offset.abs(); + + LLVector3 target_offset_dir = target_offset_origin; + F32 object_radius = mFocusObject->getVObjRadius(); + + BOOL target_outside_object_extents = FALSE; + + for (U32 i = VX; i <= VZ; i++) + { + if (abs_target_offset.mV[i] * 2.f > object_extents.mV[i] + OBJECT_EXTENTS_PADDING) + { + target_outside_object_extents = TRUE; + } + if (camera_offset_target.mV[i] > 0.f) + { + object_extents.mV[i] -= target_offset_origin.mV[i] * 2.f; + } + else + { + object_extents.mV[i] += target_offset_origin.mV[i] * 2.f; + } + } + + // don't shrink the object extents so far that the object inverts + object_extents.clamp(0.001f, F32_MAX); + + // move into first octant + LLVector3 camera_offset_target_abs_norm = camera_offset_target; + camera_offset_target_abs_norm.abs(); + // make sure offset is non-zero + camera_offset_target_abs_norm.clamp(0.001f, F32_MAX); + camera_offset_target_abs_norm.normalize(); + + // find camera position relative to normalized object extents + LLVector3 camera_offset_target_scaled = camera_offset_target_abs_norm; + camera_offset_target_scaled.mV[VX] /= object_extents.mV[VX]; + camera_offset_target_scaled.mV[VY] /= object_extents.mV[VY]; + camera_offset_target_scaled.mV[VZ] /= object_extents.mV[VZ]; + + if (camera_offset_target_scaled.mV[VX] > camera_offset_target_scaled.mV[VY] && + camera_offset_target_scaled.mV[VX] > camera_offset_target_scaled.mV[VZ]) + { + if (camera_offset_target_abs_norm.mV[VX] < 0.001f) + { + obj_min_distance = object_extents.mV[VX] * 0.5f; + } + else + { + obj_min_distance = object_extents.mV[VX] * 0.5f / camera_offset_target_abs_norm.mV[VX]; + } + } + else if (camera_offset_target_scaled.mV[VY] > camera_offset_target_scaled.mV[VZ]) + { + if (camera_offset_target_abs_norm.mV[VY] < 0.001f) + { + obj_min_distance = object_extents.mV[VY] * 0.5f; + } + else + { + obj_min_distance = object_extents.mV[VY] * 0.5f / camera_offset_target_abs_norm.mV[VY]; + } + } + else + { + if (camera_offset_target_abs_norm.mV[VZ] < 0.001f) + { + obj_min_distance = object_extents.mV[VZ] * 0.5f; + } + else + { + obj_min_distance = object_extents.mV[VZ] * 0.5f / camera_offset_target_abs_norm.mV[VZ]; + } + } + + LLVector3 object_split_axis; + LLVector3 target_offset_scaled = target_offset_origin; + target_offset_scaled.abs(); + target_offset_scaled.normalize(); + target_offset_scaled.mV[VX] /= object_extents.mV[VX]; + target_offset_scaled.mV[VY] /= object_extents.mV[VY]; + target_offset_scaled.mV[VZ] /= object_extents.mV[VZ]; + + if (target_offset_scaled.mV[VX] > target_offset_scaled.mV[VY] && + target_offset_scaled.mV[VX] > target_offset_scaled.mV[VZ]) + { + object_split_axis = LLVector3::x_axis; + } + else if (target_offset_scaled.mV[VY] > target_offset_scaled.mV[VZ]) + { + object_split_axis = LLVector3::y_axis; + } + else + { + object_split_axis = LLVector3::z_axis; + } + + LLVector3 camera_offset_object(getCameraPositionAgent() - mFocusObject->getPositionAgent()); + + // length projected orthogonal to target offset + F32 camera_offset_dist = (camera_offset_object - target_offset_dir * (camera_offset_object * target_offset_dir)).magVec(); + + // calculate whether the target point would be "visible" if it were outside the bounding box + // on the opposite of the splitting plane defined by object_split_axis; + BOOL exterior_target_visible = FALSE; + if (camera_offset_dist > object_radius) + { + // target is visible from camera, so turn off fov zoom + exterior_target_visible = TRUE; + } + + F32 camera_offset_clip = camera_offset_object * object_split_axis; + F32 target_offset_clip = target_offset_dir * object_split_axis; + + // target has moved outside of object extents + // check to see if camera and target are on same side + if (target_outside_object_extents) + { + if (camera_offset_clip > 0.f && target_offset_clip > 0.f) + { + return FALSE; + } + else if (camera_offset_clip < 0.f && target_offset_clip < 0.f) + { + return FALSE; + } + } + + // clamp obj distance to diagonal of 10 by 10 cube + obj_min_distance = llmin(obj_min_distance, 10.f * F_SQRT3); + + obj_min_distance += LLViewerCamera::getInstance()->getNear() + (soft_limit ? 0.1f : 0.2f); + + return TRUE; +} + +F32 LLAgentCamera::getCameraZoomFraction() +{ + // 0.f -> camera zoomed all the way out + // 1.f -> camera zoomed all the way in + LLObjectSelectionHandle selection = LLSelectMgr::getInstance()->getSelection(); + if (selection->getObjectCount() && selection->getSelectType() == SELECT_TYPE_HUD) + { + // already [0,1] + return mHUDTargetZoom; + } + else if (mFocusOnAvatar && cameraThirdPerson()) + { + return clamp_rescale(mCameraZoomFraction, MIN_ZOOM_FRACTION, MAX_ZOOM_FRACTION, 1.f, 0.f); + } + else if (cameraCustomizeAvatar()) + { + F32 distance = (F32)mCameraFocusOffsetTarget.magVec(); + return clamp_rescale(distance, APPEARANCE_MIN_ZOOM, APPEARANCE_MAX_ZOOM, 1.f, 0.f ); + } + else + { + F32 min_zoom; + const F32 DIST_FUDGE = 16.f; // meters + F32 max_zoom = llmin(mDrawDistance - DIST_FUDGE, + LLWorld::getInstance()->getRegionWidthInMeters() - DIST_FUDGE, + MAX_CAMERA_DISTANCE_FROM_AGENT); + + F32 distance = (F32)mCameraFocusOffsetTarget.magVec(); + if (mFocusObject.notNull()) + { + if (mFocusObject->isAvatar()) + { + min_zoom = AVATAR_MIN_ZOOM; + } + else + { + min_zoom = OBJECT_MIN_ZOOM; + } + } + else + { + min_zoom = LAND_MIN_ZOOM; + } + + return clamp_rescale(distance, min_zoom, max_zoom, 1.f, 0.f); + } +} + +void LLAgentCamera::setCameraZoomFraction(F32 fraction) +{ + // 0.f -> camera zoomed all the way out + // 1.f -> camera zoomed all the way in + LLObjectSelectionHandle selection = LLSelectMgr::getInstance()->getSelection(); + + if (selection->getObjectCount() && selection->getSelectType() == SELECT_TYPE_HUD) + { + mHUDTargetZoom = fraction; + } + else if (mFocusOnAvatar && cameraThirdPerson()) + { + mCameraZoomFraction = rescale(fraction, 0.f, 1.f, MAX_ZOOM_FRACTION, MIN_ZOOM_FRACTION); + } + else if (cameraCustomizeAvatar()) + { + LLVector3d camera_offset_dir = mCameraFocusOffsetTarget; + camera_offset_dir.normalize(); + mCameraFocusOffsetTarget = camera_offset_dir * rescale(fraction, 0.f, 1.f, APPEARANCE_MAX_ZOOM, APPEARANCE_MIN_ZOOM); + } + else + { + F32 min_zoom = LAND_MIN_ZOOM; + const F32 DIST_FUDGE = 16.f; // meters + F32 max_zoom = llmin(mDrawDistance - DIST_FUDGE, + LLWorld::getInstance()->getRegionWidthInMeters() - DIST_FUDGE, + MAX_CAMERA_DISTANCE_FROM_AGENT); + + if (mFocusObject.notNull()) + { + if (mFocusObject.notNull()) + { + if (mFocusObject->isAvatar()) + { + min_zoom = AVATAR_MIN_ZOOM; + } + else + { + min_zoom = OBJECT_MIN_ZOOM; + } + } + } + + LLVector3d camera_offset_dir = mCameraFocusOffsetTarget; + camera_offset_dir.normalize(); + mCameraFocusOffsetTarget = camera_offset_dir * rescale(fraction, 0.f, 1.f, max_zoom, min_zoom); + } + startCameraAnimation(); +} + + +//----------------------------------------------------------------------------- +// cameraOrbitAround() +//----------------------------------------------------------------------------- +void LLAgentCamera::cameraOrbitAround(const F32 radians) +{ + LLObjectSelectionHandle selection = LLSelectMgr::getInstance()->getSelection(); + if (selection->getObjectCount() && selection->getSelectType() == SELECT_TYPE_HUD) + { + // do nothing for hud selection + } + else if (mFocusOnAvatar && (mCameraMode == CAMERA_MODE_THIRD_PERSON || mCameraMode == CAMERA_MODE_FOLLOW)) + { + gAgent.yaw(radians); + } + else + { + mCameraFocusOffsetTarget.rotVec(radians, 0.f, 0.f, 1.f); + + cameraZoomIn(1.f); + } +} + + +//----------------------------------------------------------------------------- +// cameraOrbitOver() +//----------------------------------------------------------------------------- +void LLAgentCamera::cameraOrbitOver(const F32 angle) +{ + LLObjectSelectionHandle selection = LLSelectMgr::getInstance()->getSelection(); + if (selection->getObjectCount() && selection->getSelectType() == SELECT_TYPE_HUD) + { + // do nothing for hud selection + } + else if (mFocusOnAvatar && mCameraMode == CAMERA_MODE_THIRD_PERSON) + { + gAgent.pitch(angle); + } + else + { + LLVector3 camera_offset_unit(mCameraFocusOffsetTarget); + camera_offset_unit.normalize(); + + F32 angle_from_up = acos( camera_offset_unit * gAgent.getReferenceUpVector() ); + + 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); + mCameraFocusOffsetTarget.rotVec(angle_from_up - new_angle, left_axis); + + cameraZoomIn(1.f); + } +} + +//----------------------------------------------------------------------------- +// cameraZoomIn() +//----------------------------------------------------------------------------- +void LLAgentCamera::cameraZoomIn(const F32 fraction) +{ + if (gDisconnected) + { + return; + } + + LLObjectSelectionHandle selection = LLSelectMgr::getInstance()->getSelection(); + if (selection->getObjectCount() && selection->getSelectType() == SELECT_TYPE_HUD) + { + // just update hud zoom level + mHUDTargetZoom /= fraction; + return; + } + + + LLVector3d camera_offset(mCameraFocusOffsetTarget); + LLVector3d camera_offset_unit(mCameraFocusOffsetTarget); + F32 min_zoom = LAND_MIN_ZOOM; + F32 current_distance = (F32)camera_offset_unit.normalize(); + F32 new_distance = current_distance * fraction; + + // Don't move through focus point + if (mFocusObject) + { + LLVector3 camera_offset_dir((F32)camera_offset_unit.mdV[VX], (F32)camera_offset_unit.mdV[VY], (F32)camera_offset_unit.mdV[VZ]); + + if (mFocusObject->isAvatar()) + { + calcCameraMinDistance(min_zoom); + } + else + { + min_zoom = OBJECT_MIN_ZOOM; + } + } + + new_distance = llmax(new_distance, min_zoom); + + // Don't zoom too far back + const F32 DIST_FUDGE = 16.f; // meters + F32 max_distance = llmin(mDrawDistance - DIST_FUDGE, + LLWorld::getInstance()->getRegionWidthInMeters() - DIST_FUDGE ); + + if (new_distance > max_distance) + { + new_distance = max_distance; + + /* + // Unless camera is unlocked + if (!LLViewerCamera::sDisableCameraConstraints) + { + return; + } + */ + } + + if( cameraCustomizeAvatar() ) + { + new_distance = llclamp( new_distance, APPEARANCE_MIN_ZOOM, APPEARANCE_MAX_ZOOM ); + } + + mCameraFocusOffsetTarget = new_distance * camera_offset_unit; +} + +//----------------------------------------------------------------------------- +// cameraOrbitIn() +//----------------------------------------------------------------------------- +void LLAgentCamera::cameraOrbitIn(const F32 meters) +{ + if (mFocusOnAvatar && mCameraMode == CAMERA_MODE_THIRD_PERSON) + { + F32 camera_offset_dist = llmax(0.001f, getCameraOffsetInitial().magVec() * gSavedSettings.getF32("CameraOffsetScale")); + + mCameraZoomFraction = (mTargetCameraDistance - meters) / camera_offset_dist; + + if (!gSavedSettings.getBOOL("FreezeTime") && mCameraZoomFraction < MIN_ZOOM_FRACTION && meters > 0.f) + { + // No need to animate, camera is already there. + changeCameraToMouselook(FALSE); + } + + mCameraZoomFraction = llclamp(mCameraZoomFraction, MIN_ZOOM_FRACTION, MAX_ZOOM_FRACTION); + } + else + { + LLVector3d camera_offset(mCameraFocusOffsetTarget); + LLVector3d camera_offset_unit(mCameraFocusOffsetTarget); + F32 current_distance = (F32)camera_offset_unit.normalize(); + F32 new_distance = current_distance - meters; + F32 min_zoom = LAND_MIN_ZOOM; + + // Don't move through focus point + if (mFocusObject.notNull()) + { + if (mFocusObject->isAvatar()) + { + min_zoom = AVATAR_MIN_ZOOM; + } + else + { + min_zoom = OBJECT_MIN_ZOOM; + } + } + + new_distance = llmax(new_distance, min_zoom); + + // Don't zoom too far back + const F32 DIST_FUDGE = 16.f; // meters + F32 max_distance = llmin(mDrawDistance - DIST_FUDGE, + LLWorld::getInstance()->getRegionWidthInMeters() - DIST_FUDGE ); + + if (new_distance > max_distance) + { + // Unless camera is unlocked + if (!gSavedSettings.getBOOL("DisableCameraConstraints")) + { + return; + } + } + + if( CAMERA_MODE_CUSTOMIZE_AVATAR == getCameraMode() ) + { + new_distance = llclamp( new_distance, APPEARANCE_MIN_ZOOM, APPEARANCE_MAX_ZOOM ); + } + + // Compute new camera offset + mCameraFocusOffsetTarget = new_distance * camera_offset_unit; + cameraZoomIn(1.f); + } +} + + +//----------------------------------------------------------------------------- +// cameraPanIn() +//----------------------------------------------------------------------------- +void LLAgentCamera::cameraPanIn(F32 meters) +{ + LLVector3d at_axis; + at_axis.setVec(LLViewerCamera::getInstance()->getAtAxis()); + + mFocusTargetGlobal += meters * at_axis; + mFocusGlobal = mFocusTargetGlobal; + // don't enforce zoom constraints as this is the only way for users to get past them easily + updateFocusOffset(); + // NOTE: panning movements expect the camera to move exactly with the focus target, not animated behind -Nyx + mCameraSmoothingLastPositionGlobal = calcCameraPositionTargetGlobal(); +} + +//----------------------------------------------------------------------------- +// cameraPanLeft() +//----------------------------------------------------------------------------- +void LLAgentCamera::cameraPanLeft(F32 meters) +{ + LLVector3d left_axis; + left_axis.setVec(LLViewerCamera::getInstance()->getLeftAxis()); + + mFocusTargetGlobal += meters * left_axis; + mFocusGlobal = mFocusTargetGlobal; + + // disable smoothing for camera pan, which causes some residents unhappiness + mCameraSmoothingStop = true; + + cameraZoomIn(1.f); + updateFocusOffset(); + // NOTE: panning movements expect the camera to move exactly with the focus target, not animated behind - Nyx + mCameraSmoothingLastPositionGlobal = calcCameraPositionTargetGlobal(); +} + +//----------------------------------------------------------------------------- +// cameraPanUp() +//----------------------------------------------------------------------------- +void LLAgentCamera::cameraPanUp(F32 meters) +{ + LLVector3d up_axis; + up_axis.setVec(LLViewerCamera::getInstance()->getUpAxis()); + + mFocusTargetGlobal += meters * up_axis; + mFocusGlobal = mFocusTargetGlobal; + + // disable smoothing for camera pan, which causes some residents unhappiness + mCameraSmoothingStop = true; + + cameraZoomIn(1.f); + updateFocusOffset(); + // NOTE: panning movements expect the camera to move exactly with the focus target, not animated behind -Nyx + mCameraSmoothingLastPositionGlobal = calcCameraPositionTargetGlobal(); +} + +//----------------------------------------------------------------------------- +// updateLookAt() +//----------------------------------------------------------------------------- +void LLAgentCamera::updateLookAt(const S32 mouse_x, const S32 mouse_y) +{ + static LLVector3 last_at_axis; + + if (!isAgentAvatarValid()) return; + + LLQuaternion av_inv_rot = ~gAgentAvatarp->mRoot.getWorldRotation(); + LLVector3 root_at = LLVector3::x_axis * gAgentAvatarp->mRoot.getWorldRotation(); + + if ((gViewerWindow->getMouseVelocityStat()->getCurrent() < 0.01f) && + (root_at * last_at_axis > 0.95f)) + { + LLVector3 vel = gAgentAvatarp->getVelocity(); + if (vel.magVecSquared() > 4.f) + { + setLookAt(LOOKAT_TARGET_IDLE, gAgentAvatarp, vel * av_inv_rot); + } + else + { + // *FIX: rotate mframeagent by sit object's rotation? + LLQuaternion look_rotation = gAgentAvatarp->isSitting() ? gAgentAvatarp->getRenderRotation() : gAgent.getFrameAgent().getQuaternion(); // use camera's current rotation + LLVector3 look_offset = LLVector3(2.f, 0.f, 0.f) * look_rotation * av_inv_rot; + setLookAt(LOOKAT_TARGET_IDLE, gAgentAvatarp, look_offset); + } + last_at_axis = root_at; + return; + } + + last_at_axis = root_at; + + if (CAMERA_MODE_CUSTOMIZE_AVATAR == getCameraMode()) + { + setLookAt(LOOKAT_TARGET_NONE, gAgentAvatarp, LLVector3(-2.f, 0.f, 0.f)); + } + else + { + // Move head based on cursor position + ELookAtType lookAtType = LOOKAT_TARGET_NONE; + LLVector3 headLookAxis; + LLCoordFrame frameCamera = *((LLCoordFrame*)LLViewerCamera::getInstance()); + + if (cameraMouselook()) + { + lookAtType = LOOKAT_TARGET_MOUSELOOK; + } + else if (cameraThirdPerson()) + { + // range from -.5 to .5 + F32 x_from_center = + ((F32) mouse_x / (F32) gViewerWindow->getWorldViewWidthScaled() ) - 0.5f; + F32 y_from_center = + ((F32) mouse_y / (F32) gViewerWindow->getWorldViewHeightScaled() ) - 0.5f; + + frameCamera.yaw( - x_from_center * gSavedSettings.getF32("YawFromMousePosition") * DEG_TO_RAD); + frameCamera.pitch( - y_from_center * gSavedSettings.getF32("PitchFromMousePosition") * DEG_TO_RAD); + lookAtType = LOOKAT_TARGET_FREELOOK; + } + + headLookAxis = frameCamera.getAtAxis(); + // RN: we use world-space offset for mouselook and freelook + //headLookAxis = headLookAxis * av_inv_rot; + setLookAt(lookAtType, gAgentAvatarp, headLookAxis); + } +} + +//----------------------------------------------------------------------------- +// updateCamera() +//----------------------------------------------------------------------------- +void LLAgentCamera::updateCamera() +{ + static LLFastTimer::DeclareTimer ftm("Camera"); + LLFastTimer t(ftm); + + //Ventrella - changed camera_skyward to the new global "mCameraUpVector" + mCameraUpVector = LLVector3::z_axis; + //LLVector3 camera_skyward(0.f, 0.f, 1.f); + //end Ventrella + + U32 camera_mode = mCameraAnimating ? mLastCameraMode : mCameraMode; + + validateFocusObject(); + + if (isAgentAvatarValid() && + gAgentAvatarp->isSitting() && + camera_mode == CAMERA_MODE_MOUSELOOK) + { + //Ventrella + //changed camera_skyward to the new global "mCameraUpVector" + mCameraUpVector = mCameraUpVector * gAgentAvatarp->getRenderRotation(); + //end Ventrella + } + + if (cameraThirdPerson() && mFocusOnAvatar && LLFollowCamMgr::getActiveFollowCamParams()) + { + changeCameraToFollow(); + } + + //Ventrella + //NOTE - this needs to be integrated into a general upVector system here within llAgent. + if ( camera_mode == CAMERA_MODE_FOLLOW && mFocusOnAvatar ) + { + mCameraUpVector = mFollowCam.getUpVector(); + } + //end Ventrella + + if (mSitCameraEnabled) + { + if (mSitCameraReferenceObject->isDead()) + { + setSitCamera(LLUUID::null); + } + } + + // Update UI with our camera inputs + LLFloaterCamera* camera_floater = LLFloaterReg::findTypedInstance<LLFloaterCamera>("camera"); + if (camera_floater) + { + camera_floater->mRotate->setToggleState(gAgentCamera.getOrbitRightKey() > 0.f, // left + gAgentCamera.getOrbitUpKey() > 0.f, // top + gAgentCamera.getOrbitLeftKey() > 0.f, // right + gAgentCamera.getOrbitDownKey() > 0.f); // bottom + + camera_floater->mTrack->setToggleState(gAgentCamera.getPanLeftKey() > 0.f, // left + gAgentCamera.getPanUpKey() > 0.f, // top + gAgentCamera.getPanRightKey() > 0.f, // right + gAgentCamera.getPanDownKey() > 0.f); // bottom + } + + // Handle camera movement based on keyboard. + const F32 ORBIT_OVER_RATE = 90.f * DEG_TO_RAD; // radians per second + const F32 ORBIT_AROUND_RATE = 90.f * DEG_TO_RAD; // radians per second + const F32 PAN_RATE = 5.f; // meters per second + + if (gAgentCamera.getOrbitUpKey() || gAgentCamera.getOrbitDownKey()) + { + F32 input_rate = gAgentCamera.getOrbitUpKey() - gAgentCamera.getOrbitDownKey(); + cameraOrbitOver( input_rate * ORBIT_OVER_RATE / gFPSClamped ); + } + + if (gAgentCamera.getOrbitLeftKey() || gAgentCamera.getOrbitRightKey()) + { + F32 input_rate = gAgentCamera.getOrbitLeftKey() - gAgentCamera.getOrbitRightKey(); + cameraOrbitAround(input_rate * ORBIT_AROUND_RATE / gFPSClamped); + } + + if (gAgentCamera.getOrbitInKey() || gAgentCamera.getOrbitOutKey()) + { + F32 input_rate = gAgentCamera.getOrbitInKey() - gAgentCamera.getOrbitOutKey(); + + LLVector3d to_focus = gAgent.getPosGlobalFromAgent(LLViewerCamera::getInstance()->getOrigin()) - calcFocusPositionTargetGlobal(); + F32 distance_to_focus = (F32)to_focus.magVec(); + // Move at distance (in meters) meters per second + cameraOrbitIn( input_rate * distance_to_focus / gFPSClamped ); + } + + if (gAgentCamera.getPanInKey() || gAgentCamera.getPanOutKey()) + { + F32 input_rate = gAgentCamera.getPanInKey() - gAgentCamera.getPanOutKey(); + cameraPanIn(input_rate * PAN_RATE / gFPSClamped); + } + + if (gAgentCamera.getPanRightKey() || gAgentCamera.getPanLeftKey()) + { + F32 input_rate = gAgentCamera.getPanRightKey() - gAgentCamera.getPanLeftKey(); + cameraPanLeft(input_rate * -PAN_RATE / gFPSClamped ); + } + + if (gAgentCamera.getPanUpKey() || gAgentCamera.getPanDownKey()) + { + F32 input_rate = gAgentCamera.getPanUpKey() - gAgentCamera.getPanDownKey(); + cameraPanUp(input_rate * PAN_RATE / gFPSClamped ); + } + + // Clear camera keyboard keys. + gAgentCamera.clearOrbitKeys(); + gAgentCamera.clearPanKeys(); + + // lerp camera focus offset + mCameraFocusOffset = lerp(mCameraFocusOffset, mCameraFocusOffsetTarget, LLCriticalDamp::getInterpolant(CAMERA_FOCUS_HALF_LIFE)); + + //Ventrella + if ( mCameraMode == CAMERA_MODE_FOLLOW ) + { + if (isAgentAvatarValid()) + { + //-------------------------------------------------------------------------------- + // this is where the avatar's position and rotation are given to followCam, and + // where it is updated. All three of its attributes are updated: (1) position, + // (2) focus, and (3) upvector. They can then be queried elsewhere in llAgent. + //-------------------------------------------------------------------------------- + // *TODO: use combined rotation of frameagent and sit object + LLQuaternion avatarRotationForFollowCam = gAgentAvatarp->isSitting() ? gAgentAvatarp->getRenderRotation() : gAgent.getFrameAgent().getQuaternion(); + + LLFollowCamParams* current_cam = LLFollowCamMgr::getActiveFollowCamParams(); + if (current_cam) + { + mFollowCam.copyParams(*current_cam); + mFollowCam.setSubjectPositionAndRotation( gAgentAvatarp->getRenderPosition(), avatarRotationForFollowCam ); + mFollowCam.update(); + LLViewerJoystick::getInstance()->setCameraNeedsUpdate(true); + } + else + { + changeCameraToThirdPerson(TRUE); + } + } + } + // end Ventrella + + BOOL hit_limit; + LLVector3d camera_pos_global; + LLVector3d camera_target_global = calcCameraPositionTargetGlobal(&hit_limit); + mCameraVirtualPositionAgent = gAgent.getPosAgentFromGlobal(camera_target_global); + LLVector3d focus_target_global = calcFocusPositionTargetGlobal(); + + // perform field of view correction + mCameraFOVZoomFactor = calcCameraFOVZoomFactor(); + camera_target_global = focus_target_global + (camera_target_global - focus_target_global) * (1.f + mCameraFOVZoomFactor); + + gAgent.setShowAvatar(TRUE); // can see avatar by default + + // Adjust position for animation + if (mCameraAnimating) + { + F32 time = mAnimationTimer.getElapsedTimeF32(); + + // yet another instance of critically damped motion, hooray! + // F32 fraction_of_animation = 1.f - pow(2.f, -time / CAMERA_ZOOM_HALF_LIFE); + + // linear interpolation + F32 fraction_of_animation = time / mAnimationDuration; + + BOOL isfirstPerson = mCameraMode == CAMERA_MODE_MOUSELOOK; + BOOL wasfirstPerson = mLastCameraMode == CAMERA_MODE_MOUSELOOK; + F32 fraction_animation_to_skip; + + if (mAnimationCameraStartGlobal == camera_target_global) + { + fraction_animation_to_skip = 0.f; + } + else + { + LLVector3d cam_delta = mAnimationCameraStartGlobal - camera_target_global; + fraction_animation_to_skip = HEAD_BUFFER_SIZE / (F32)cam_delta.magVec(); + } + F32 animation_start_fraction = (wasfirstPerson) ? fraction_animation_to_skip : 0.f; + F32 animation_finish_fraction = (isfirstPerson) ? (1.f - fraction_animation_to_skip) : 1.f; + + if (fraction_of_animation < animation_finish_fraction) + { + if (fraction_of_animation < animation_start_fraction || fraction_of_animation > animation_finish_fraction ) + { + gAgent.setShowAvatar(FALSE); + } + + // ...adjust position for animation + F32 smooth_fraction_of_animation = llsmoothstep(0.0f, 1.0f, fraction_of_animation); + camera_pos_global = lerp(mAnimationCameraStartGlobal, camera_target_global, smooth_fraction_of_animation); + mFocusGlobal = lerp(mAnimationFocusStartGlobal, focus_target_global, smooth_fraction_of_animation); + } + else + { + // ...animation complete + mCameraAnimating = FALSE; + + camera_pos_global = camera_target_global; + mFocusGlobal = focus_target_global; + + gAgent.endAnimationUpdateUI(); + gAgent.setShowAvatar(TRUE); + } + + if (isAgentAvatarValid() && (mCameraMode != CAMERA_MODE_MOUSELOOK)) + { + gAgentAvatarp->updateAttachmentVisibility(mCameraMode); + } + } + else + { + camera_pos_global = camera_target_global; + mFocusGlobal = focus_target_global; + gAgent.setShowAvatar(TRUE); + } + + // smoothing + if (TRUE) + { + LLVector3d agent_pos = gAgent.getPositionGlobal(); + LLVector3d camera_pos_agent = camera_pos_global - agent_pos; + // Sitting on what you're manipulating can cause camera jitter with smoothing. + // This turns off smoothing while editing. -MG + bool in_build_mode = LLToolMgr::getInstance()->inBuildMode(); + mCameraSmoothingStop = mCameraSmoothingStop || in_build_mode; + + if (cameraThirdPerson() && !mCameraSmoothingStop) + { + const F32 SMOOTHING_HALF_LIFE = 0.02f; + + F32 smoothing = LLCriticalDamp::getInterpolant(gSavedSettings.getF32("CameraPositionSmoothing") * SMOOTHING_HALF_LIFE, FALSE); + + if (!mFocusObject) // we differentiate on avatar mode + { + // for avatar-relative focus, we smooth in avatar space - + // the avatar moves too jerkily w/r/t global space to smooth there. + + LLVector3d delta = camera_pos_agent - mCameraSmoothingLastPositionAgent; + if (delta.magVec() < MAX_CAMERA_SMOOTH_DISTANCE) // only smooth over short distances please + { + camera_pos_agent = lerp(mCameraSmoothingLastPositionAgent, camera_pos_agent, smoothing); + camera_pos_global = camera_pos_agent + agent_pos; + } + } + else + { + LLVector3d delta = camera_pos_global - mCameraSmoothingLastPositionGlobal; + if (delta.magVec() < MAX_CAMERA_SMOOTH_DISTANCE) // only smooth over short distances please + { + camera_pos_global = lerp(mCameraSmoothingLastPositionGlobal, camera_pos_global, smoothing); + } + } + } + + mCameraSmoothingLastPositionGlobal = camera_pos_global; + mCameraSmoothingLastPositionAgent = camera_pos_agent; + mCameraSmoothingStop = false; + } + + + mCameraCurrentFOVZoomFactor = lerp(mCameraCurrentFOVZoomFactor, mCameraFOVZoomFactor, LLCriticalDamp::getInterpolant(FOV_ZOOM_HALF_LIFE)); + +// llinfos << "Current FOV Zoom: " << mCameraCurrentFOVZoomFactor << " Target FOV Zoom: " << mCameraFOVZoomFactor << " Object penetration: " << mFocusObjectDist << llendl; + + F32 ui_offset = 0.f; + if( CAMERA_MODE_CUSTOMIZE_AVATAR == mCameraMode ) + { + ui_offset = calcCustomizeAvatarUIOffset( camera_pos_global ); + } + + + LLVector3 focus_agent = gAgent.getPosAgentFromGlobal(mFocusGlobal); + + mCameraPositionAgent = gAgent.getPosAgentFromGlobal(camera_pos_global); + + // Move the camera + + //Ventrella + LLViewerCamera::getInstance()->updateCameraLocation(mCameraPositionAgent, mCameraUpVector, focus_agent); + //LLViewerCamera::getInstance()->updateCameraLocation(mCameraPositionAgent, camera_skyward, focus_agent); + //end Ventrella + + //RN: translate UI offset after camera is oriented properly + LLViewerCamera::getInstance()->translate(LLViewerCamera::getInstance()->getLeftAxis() * ui_offset); + + // Change FOV + LLViewerCamera::getInstance()->setView(LLViewerCamera::getInstance()->getDefaultFOV() / (1.f + mCameraCurrentFOVZoomFactor)); + + // follow camera when in customize mode + if (cameraCustomizeAvatar()) + { + setLookAt(LOOKAT_TARGET_FOCUS, NULL, mCameraPositionAgent); + } + + // update the travel distance stat + // this isn't directly related to the camera + // but this seemed like the best place to do this + LLVector3d global_pos = gAgent.getPositionGlobal(); + if (!gAgent.getLastPositionGlobal().isExactlyZero()) + { + LLVector3d delta = global_pos - gAgent.getLastPositionGlobal(); + gAgent.setDistanceTraveled(gAgent.getDistanceTraveled() + delta.magVec()); + } + gAgent.setLastPositionGlobal(global_pos); + + if (LLVOAvatar::sVisibleInFirstPerson && isAgentAvatarValid() && !gAgentAvatarp->isSitting() && cameraMouselook()) + { + LLVector3 head_pos = gAgentAvatarp->mHeadp->getWorldPosition() + + LLVector3(0.08f, 0.f, 0.05f) * gAgentAvatarp->mHeadp->getWorldRotation() + + LLVector3(0.1f, 0.f, 0.f) * gAgentAvatarp->mPelvisp->getWorldRotation(); + LLVector3 diff = mCameraPositionAgent - head_pos; + diff = diff * ~gAgentAvatarp->mRoot.getWorldRotation(); + + LLJoint* torso_joint = gAgentAvatarp->mTorsop; + LLJoint* chest_joint = gAgentAvatarp->mChestp; + LLVector3 torso_scale = torso_joint->getScale(); + LLVector3 chest_scale = chest_joint->getScale(); + + // shorten avatar skeleton to avoid foot interpenetration + if (!gAgentAvatarp->mInAir) + { + LLVector3 chest_offset = LLVector3(0.f, 0.f, chest_joint->getPosition().mV[VZ]) * torso_joint->getWorldRotation(); + F32 z_compensate = llclamp(-diff.mV[VZ], -0.2f, 1.f); + F32 scale_factor = llclamp(1.f - ((z_compensate * 0.5f) / chest_offset.mV[VZ]), 0.5f, 1.2f); + torso_joint->setScale(LLVector3(1.f, 1.f, scale_factor)); + + LLJoint* neck_joint = gAgentAvatarp->mNeckp; + LLVector3 neck_offset = LLVector3(0.f, 0.f, neck_joint->getPosition().mV[VZ]) * chest_joint->getWorldRotation(); + scale_factor = llclamp(1.f - ((z_compensate * 0.5f) / neck_offset.mV[VZ]), 0.5f, 1.2f); + chest_joint->setScale(LLVector3(1.f, 1.f, scale_factor)); + diff.mV[VZ] = 0.f; + } + + gAgentAvatarp->mPelvisp->setPosition(gAgentAvatarp->mPelvisp->getPosition() + diff); + + gAgentAvatarp->mRoot.updateWorldMatrixChildren(); + + for (LLVOAvatar::attachment_map_t::iterator iter = gAgentAvatarp->mAttachmentPoints.begin(); + iter != gAgentAvatarp->mAttachmentPoints.end(); ) + { + LLVOAvatar::attachment_map_t::iterator curiter = iter++; + LLViewerJointAttachment* attachment = curiter->second; + for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin(); + attachment_iter != attachment->mAttachedObjects.end(); + ++attachment_iter) + { + LLViewerObject *attached_object = (*attachment_iter); + if (attached_object && !attached_object->isDead() && attached_object->mDrawable.notNull()) + { + // clear any existing "early" movements of attachment + attached_object->mDrawable->clearState(LLDrawable::EARLY_MOVE); + gPipeline.updateMoveNormalAsync(attached_object->mDrawable); + attached_object->updateText(); + } + } + } + + torso_joint->setScale(torso_scale); + chest_joint->setScale(chest_scale); + } +} + +void LLAgentCamera::updateLastCamera() +{ + mLastCameraMode = mCameraMode; +} + +void LLAgentCamera::updateFocusOffset() +{ + validateFocusObject(); + if (mFocusObject.notNull()) + { + LLVector3d obj_pos = gAgent.getPosGlobalFromAgent(mFocusObject->getRenderPosition()); + mFocusObjectOffset.setVec(mFocusTargetGlobal - obj_pos); + } +} + +void LLAgentCamera::validateFocusObject() +{ + if (mFocusObject.notNull() && + mFocusObject->isDead()) + { + mFocusObjectOffset.clearVec(); + clearFocusObject(); + mCameraFOVZoomFactor = 0.f; + } +} + +//----------------------------------------------------------------------------- +// calcCustomizeAvatarUIOffset() +//----------------------------------------------------------------------------- +F32 LLAgentCamera::calcCustomizeAvatarUIOffset(const LLVector3d& camera_pos_global) +{ + F32 ui_offset = 0.f; + + if (gFloaterCustomize) + { + const LLRect& rect = gFloaterCustomize->getRect(); + + // Move the camera so that the avatar isn't covered up by this floater. + F32 fraction_of_fov = 0.5f - (0.5f * (1.f - llmin(1.f, ((F32)rect.getWidth() / (F32)gViewerWindow->getWindowWidthScaled())))); + F32 apparent_angle = fraction_of_fov * LLViewerCamera::getInstance()->getView() * LLViewerCamera::getInstance()->getAspect(); // radians + F32 offset = tan(apparent_angle); + + if( rect.mLeft < (gViewerWindow->getWindowWidthScaled() - rect.mRight) ) + { + // Move the avatar to the right (camera to the left) + ui_offset = offset; + } + else + { + // Move the avatar to the left (camera to the right) + ui_offset = -offset; + } + } + F32 range = (F32)dist_vec(camera_pos_global, getFocusGlobal()); + mUIOffset = lerp(mUIOffset, ui_offset, LLCriticalDamp::getInterpolant(0.05f)); + return mUIOffset * range; +} + +//----------------------------------------------------------------------------- +// calcFocusPositionTargetGlobal() +//----------------------------------------------------------------------------- +LLVector3d LLAgentCamera::calcFocusPositionTargetGlobal() +{ + if (mFocusObject.notNull() && mFocusObject->isDead()) + { + clearFocusObject(); + } + + // Ventrella + if (mCameraMode == CAMERA_MODE_FOLLOW && mFocusOnAvatar) + { + mFocusTargetGlobal = gAgent.getPosGlobalFromAgent(mFollowCam.getSimulatedFocus()); + return mFocusTargetGlobal; + }// End Ventrella + else if (mCameraMode == CAMERA_MODE_MOUSELOOK) + { + LLVector3d at_axis(1.0, 0.0, 0.0); + LLQuaternion agent_rot = gAgent.getFrameAgent().getQuaternion(); + if (isAgentAvatarValid() && gAgentAvatarp->getParent()) + { + LLViewerObject* root_object = (LLViewerObject*)gAgentAvatarp->getRoot(); + if (!root_object->flagCameraDecoupled()) + { + agent_rot *= ((LLViewerObject*)(gAgentAvatarp->getParent()))->getRenderRotation(); + } + } + at_axis = at_axis * agent_rot; + mFocusTargetGlobal = calcCameraPositionTargetGlobal() + at_axis; + return mFocusTargetGlobal; + } + else if (mCameraMode == CAMERA_MODE_CUSTOMIZE_AVATAR) + { + return mFocusTargetGlobal; + } + else if (!mFocusOnAvatar) + { + if (mFocusObject.notNull() && !mFocusObject->isDead() && mFocusObject->mDrawable.notNull()) + { + LLDrawable* drawablep = mFocusObject->mDrawable; + + if (mTrackFocusObject && + drawablep && + drawablep->isActive()) + { + if (!mFocusObject->isAvatar()) + { + if (mFocusObject->isSelected()) + { + gPipeline.updateMoveNormalAsync(drawablep); + } + else + { + if (drawablep->isState(LLDrawable::MOVE_UNDAMPED)) + { + gPipeline.updateMoveNormalAsync(drawablep); + } + else + { + gPipeline.updateMoveDampedAsync(drawablep); + } + } + } + } + // if not tracking object, update offset based on new object position + else + { + updateFocusOffset(); + } + LLVector3 focus_agent = mFocusObject->getRenderPosition() + mFocusObjectOffset; + mFocusTargetGlobal.setVec(gAgent.getPosGlobalFromAgent(focus_agent)); + } + return mFocusTargetGlobal; + } + else if (mSitCameraEnabled && isAgentAvatarValid() && gAgentAvatarp->isSitting() && mSitCameraReferenceObject.notNull()) + { + // sit camera + LLVector3 object_pos = mSitCameraReferenceObject->getRenderPosition(); + LLQuaternion object_rot = mSitCameraReferenceObject->getRenderRotation(); + + LLVector3 target_pos = object_pos + (mSitCameraFocus * object_rot); + return gAgent.getPosGlobalFromAgent(target_pos); + } + else + { + return gAgent.getPositionGlobal() + calcThirdPersonFocusOffset(); + } +} + +LLVector3d LLAgentCamera::calcThirdPersonFocusOffset() +{ + // ...offset from avatar + LLVector3d focus_offset; + LLQuaternion agent_rot = gAgent.getFrameAgent().getQuaternion(); + if (isAgentAvatarValid() && gAgentAvatarp->getParent()) + { + agent_rot *= ((LLViewerObject*)(gAgentAvatarp->getParent()))->getRenderRotation(); + } + + focus_offset = mFocusOffsetInitial[mCameraPreset] * agent_rot; + return focus_offset; +} + +void LLAgentCamera::setupSitCamera() +{ + // agent frame entering this function is in world coordinates + if (isAgentAvatarValid() && gAgentAvatarp->getParent()) + { + LLQuaternion parent_rot = ((LLViewerObject*)gAgentAvatarp->getParent())->getRenderRotation(); + // slam agent coordinate frame to proper parent local version + LLVector3 at_axis = gAgent.getFrameAgent().getAtAxis(); + at_axis.mV[VZ] = 0.f; + at_axis.normalize(); + gAgent.resetAxes(at_axis * ~parent_rot); + } +} + +//----------------------------------------------------------------------------- +// getCameraPositionAgent() +//----------------------------------------------------------------------------- +const LLVector3 &LLAgentCamera::getCameraPositionAgent() const +{ + return LLViewerCamera::getInstance()->getOrigin(); +} + +//----------------------------------------------------------------------------- +// getCameraPositionGlobal() +//----------------------------------------------------------------------------- +LLVector3d LLAgentCamera::getCameraPositionGlobal() const +{ + return gAgent.getPosGlobalFromAgent(LLViewerCamera::getInstance()->getOrigin()); +} + +//----------------------------------------------------------------------------- +// calcCameraFOVZoomFactor() +//----------------------------------------------------------------------------- +F32 LLAgentCamera::calcCameraFOVZoomFactor() +{ + LLVector3 camera_offset_dir; + camera_offset_dir.setVec(mCameraFocusOffset); + + if (mCameraMode == CAMERA_MODE_MOUSELOOK) + { + return 0.f; + } + else if (mFocusObject.notNull() && !mFocusObject->isAvatar() && !mFocusOnAvatar) + { + // don't FOV zoom on mostly transparent objects + LLVector3 focus_offset = mFocusObjectOffset; + F32 obj_min_dist = 0.f; + calcCameraMinDistance(obj_min_dist); + F32 current_distance = llmax(0.001f, camera_offset_dir.magVec()); + + mFocusObjectDist = obj_min_dist - current_distance; + + F32 new_fov_zoom = llclamp(mFocusObjectDist / current_distance, 0.f, 1000.f); + return new_fov_zoom; + } + else // focusing on land or avatar + { + // keep old field of view until user changes focus explicitly + return mCameraFOVZoomFactor; + //return 0.f; + } +} + +//----------------------------------------------------------------------------- +// calcCameraPositionTargetGlobal() +//----------------------------------------------------------------------------- +LLVector3d LLAgentCamera::calcCameraPositionTargetGlobal(BOOL *hit_limit) +{ + // Compute base camera position and look-at points. + F32 camera_land_height; + LLVector3d frame_center_global = !isAgentAvatarValid() ? + gAgent.getPositionGlobal() : + gAgent.getPosGlobalFromAgent(gAgentAvatarp->mRoot.getWorldPosition()); + + BOOL isConstrained = FALSE; + LLVector3d head_offset; + head_offset.setVec(mThirdPersonHeadOffset); + + LLVector3d camera_position_global; + + // Ventrella + if (mCameraMode == CAMERA_MODE_FOLLOW && mFocusOnAvatar) + { + camera_position_global = gAgent.getPosGlobalFromAgent(mFollowCam.getSimulatedPosition()); + }// End Ventrella + else if (mCameraMode == CAMERA_MODE_MOUSELOOK) + { + if (!isAgentAvatarValid() || gAgentAvatarp->mDrawable.isNull()) + { + llwarns << "Null avatar drawable!" << llendl; + return LLVector3d::zero; + } + head_offset.clearVec(); + if (gAgentAvatarp->isSitting() && gAgentAvatarp->getParent()) + { + gAgentAvatarp->updateHeadOffset(); + head_offset.mdV[VX] = gAgentAvatarp->mHeadOffset.mV[VX]; + head_offset.mdV[VY] = gAgentAvatarp->mHeadOffset.mV[VY]; + head_offset.mdV[VZ] = gAgentAvatarp->mHeadOffset.mV[VZ] + 0.1f; + const LLMatrix4& mat = ((LLViewerObject*) gAgentAvatarp->getParent())->getRenderMatrix(); + camera_position_global = gAgent.getPosGlobalFromAgent + ((gAgentAvatarp->getPosition()+ + LLVector3(head_offset)*gAgentAvatarp->getRotation()) * mat); + } + else + { + head_offset.mdV[VZ] = gAgentAvatarp->mHeadOffset.mV[VZ]; + if (gAgentAvatarp->isSitting()) + { + head_offset.mdV[VZ] += 0.1; + } + camera_position_global = gAgent.getPosGlobalFromAgent(gAgentAvatarp->getRenderPosition());//frame_center_global; + head_offset = head_offset * gAgentAvatarp->getRenderRotation(); + camera_position_global = camera_position_global + head_offset; + } + } + else if (mCameraMode == CAMERA_MODE_THIRD_PERSON && mFocusOnAvatar) + { + LLVector3 local_camera_offset; + F32 camera_distance = 0.f; + + if (mSitCameraEnabled + && isAgentAvatarValid() + && gAgentAvatarp->isSitting() + && mSitCameraReferenceObject.notNull()) + { + // sit camera + LLVector3 object_pos = mSitCameraReferenceObject->getRenderPosition(); + LLQuaternion object_rot = mSitCameraReferenceObject->getRenderRotation(); + + LLVector3 target_pos = object_pos + (mSitCameraPos * object_rot); + + camera_position_global = gAgent.getPosGlobalFromAgent(target_pos); + } + else + { + local_camera_offset = mCameraZoomFraction * getCameraOffsetInitial() * gSavedSettings.getF32("CameraOffsetScale"); + + // are we sitting down? + if (isAgentAvatarValid() && gAgentAvatarp->getParent()) + { + LLQuaternion parent_rot = ((LLViewerObject*)gAgentAvatarp->getParent())->getRenderRotation(); + // slam agent coordinate frame to proper parent local version + LLVector3 at_axis = gAgent.getFrameAgent().getAtAxis() * parent_rot; + 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 + { + local_camera_offset = gAgent.getFrameAgent().rotateToAbsolute( local_camera_offset ); + } + + if (!mCameraCollidePlane.isExactlyZero() && (!isAgentAvatarValid() || !gAgentAvatarp->isSitting())) + { + LLVector3 plane_normal; + plane_normal.setVec(mCameraCollidePlane.mV); + + F32 offset_dot_norm = local_camera_offset * plane_normal; + if (llabs(offset_dot_norm) < 0.001f) + { + offset_dot_norm = 0.001f; + } + + camera_distance = local_camera_offset.normalize(); + + F32 pos_dot_norm = gAgent.getPosAgentFromGlobal(frame_center_global + head_offset) * plane_normal; + + // if agent is outside the colliding half-plane + if (pos_dot_norm > mCameraCollidePlane.mV[VW]) + { + // check to see if camera is on the opposite side (inside) the half-plane + if (offset_dot_norm + pos_dot_norm < mCameraCollidePlane.mV[VW]) + { + // diminish offset by factor to push it back outside the half-plane + camera_distance *= (pos_dot_norm - mCameraCollidePlane.mV[VW] - CAMERA_COLLIDE_EPSILON) / -offset_dot_norm; + } + } + else + { + if (offset_dot_norm + pos_dot_norm > mCameraCollidePlane.mV[VW]) + { + camera_distance *= (mCameraCollidePlane.mV[VW] - pos_dot_norm - CAMERA_COLLIDE_EPSILON) / offset_dot_norm; + } + } + } + else + { + camera_distance = local_camera_offset.normalize(); + } + + mTargetCameraDistance = llmax(camera_distance, MIN_CAMERA_DISTANCE); + + if (mTargetCameraDistance != mCurrentCameraDistance) + { + F32 camera_lerp_amt = LLCriticalDamp::getInterpolant(CAMERA_ZOOM_HALF_LIFE); + + mCurrentCameraDistance = lerp(mCurrentCameraDistance, mTargetCameraDistance, camera_lerp_amt); + } + + // Make the camera distance current + local_camera_offset *= mCurrentCameraDistance; + + // set the global camera position + LLVector3d camera_offset; + + LLVector3 av_pos = !isAgentAvatarValid() ? LLVector3::zero : gAgentAvatarp->getRenderPosition(); + camera_offset.setVec( local_camera_offset ); + camera_position_global = frame_center_global + head_offset + camera_offset; + + if (isAgentAvatarValid()) + { + LLVector3d camera_lag_d; + F32 lag_interp = LLCriticalDamp::getInterpolant(CAMERA_LAG_HALF_LIFE); + LLVector3 target_lag; + LLVector3 vel = gAgent.getVelocity(); + + // lag by appropriate amount for flying + F32 time_in_air = gAgentAvatarp->mTimeInAir.getElapsedTimeF32(); + if(!mCameraAnimating && gAgentAvatarp->mInAir && time_in_air > GROUND_TO_AIR_CAMERA_TRANSITION_START_TIME) + { + LLVector3 frame_at_axis = gAgent.getFrameAgent().getAtAxis(); + frame_at_axis -= projected_vec(frame_at_axis, gAgent.getReferenceUpVector()); + frame_at_axis.normalize(); + + //transition smoothly in air mode, to avoid camera pop + F32 u = (time_in_air - GROUND_TO_AIR_CAMERA_TRANSITION_START_TIME) / GROUND_TO_AIR_CAMERA_TRANSITION_TIME; + u = llclamp(u, 0.f, 1.f); + + lag_interp *= u; + + if (gViewerWindow->getLeftMouseDown() && gViewerWindow->getLastPick().mObjectID == gAgentAvatarp->getID()) + { + // disable camera lag when using mouse-directed steering + target_lag.clearVec(); + } + else + { + target_lag = vel * gSavedSettings.getF32("DynamicCameraStrength") / 30.f; + } + + mCameraLag = lerp(mCameraLag, target_lag, lag_interp); + + F32 lag_dist = mCameraLag.magVec(); + if (lag_dist > MAX_CAMERA_LAG) + { + mCameraLag = mCameraLag * MAX_CAMERA_LAG / lag_dist; + } + + // clamp camera lag so that avatar is always in front + F32 dot = (mCameraLag - (frame_at_axis * (MIN_CAMERA_LAG * u))) * frame_at_axis; + if (dot < -(MIN_CAMERA_LAG * u)) + { + mCameraLag -= (dot + (MIN_CAMERA_LAG * u)) * frame_at_axis; + } + } + else + { + mCameraLag = lerp(mCameraLag, LLVector3::zero, LLCriticalDamp::getInterpolant(0.15f)); + } + + camera_lag_d.setVec(mCameraLag); + camera_position_global = camera_position_global - camera_lag_d; + } + } + } + else + { + LLVector3d focusPosGlobal = calcFocusPositionTargetGlobal(); + // camera gets pushed out later wrt mCameraFOVZoomFactor...this is "raw" value + camera_position_global = focusPosGlobal + mCameraFocusOffset; + } + + if (!gSavedSettings.getBOOL("DisableCameraConstraints") && !gAgent.isGodlike()) + { + LLViewerRegion* regionp = LLWorld::getInstance()->getRegionFromPosGlobal(camera_position_global); + bool constrain = true; + if(regionp && regionp->canManageEstate()) + { + constrain = false; + } + if(constrain) + { + F32 max_dist = (CAMERA_MODE_CUSTOMIZE_AVATAR == mCameraMode) ? APPEARANCE_MAX_ZOOM : mDrawDistance; + + LLVector3d camera_offset = camera_position_global - gAgent.getPositionGlobal(); + F32 camera_distance = (F32)camera_offset.magVec(); + + if(camera_distance > max_dist) + { + camera_position_global = gAgent.getPositionGlobal() + (max_dist/camera_distance)*camera_offset; + isConstrained = TRUE; + } + } + +// JC - Could constrain camera based on parcel stuff here. +// LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(camera_position_global); +// +// if (regionp && !regionp->mParcelOverlay->isBuildCameraAllowed(regionp->getPosRegionFromGlobal(camera_position_global))) +// { +// camera_position_global = last_position_global; +// +// isConstrained = TRUE; +// } + } + + // Don't let camera go underground + F32 camera_min_off_ground = getCameraMinOffGround(); + + camera_land_height = LLWorld::getInstance()->resolveLandHeightGlobal(camera_position_global); + + if (camera_position_global.mdV[VZ] < camera_land_height + camera_min_off_ground) + { + camera_position_global.mdV[VZ] = camera_land_height + camera_min_off_ground; + isConstrained = TRUE; + } + + + if (hit_limit) + { + *hit_limit = isConstrained; + } + + return camera_position_global; +} + + +LLVector3 LLAgentCamera::getCameraOffsetInitial() +{ + return mCameraOffsetInitial[mCameraPreset]; +} + + +//----------------------------------------------------------------------------- +// handleScrollWheel() +//----------------------------------------------------------------------------- +void LLAgentCamera::handleScrollWheel(S32 clicks) +{ + if (mCameraMode == CAMERA_MODE_FOLLOW && getFocusOnAvatar()) + { + if (!mFollowCam.getPositionLocked()) // not if the followCam position is locked in place + { + mFollowCam.zoom(clicks); + if (mFollowCam.isZoomedToMinimumDistance()) + { + changeCameraToMouselook(FALSE); + } + } + } + else + { + LLObjectSelectionHandle selection = LLSelectMgr::getInstance()->getSelection(); + const F32 ROOT_ROOT_TWO = sqrt(F_SQRT2); + + // Block if camera is animating + if (mCameraAnimating) + { + return; + } + + if (selection->getObjectCount() && selection->getSelectType() == SELECT_TYPE_HUD) + { + F32 zoom_factor = (F32)pow(0.8, -clicks); + cameraZoomIn(zoom_factor); + } + else if (mFocusOnAvatar && (mCameraMode == CAMERA_MODE_THIRD_PERSON)) + { + F32 camera_offset_initial_mag = getCameraOffsetInitial().magVec(); + + F32 current_zoom_fraction = mTargetCameraDistance / (camera_offset_initial_mag * gSavedSettings.getF32("CameraOffsetScale")); + current_zoom_fraction *= 1.f - pow(ROOT_ROOT_TWO, clicks); + + cameraOrbitIn(current_zoom_fraction * camera_offset_initial_mag * gSavedSettings.getF32("CameraOffsetScale")); + } + else + { + F32 current_zoom_fraction = (F32)mCameraFocusOffsetTarget.magVec(); + cameraOrbitIn(current_zoom_fraction * (1.f - pow(ROOT_ROOT_TWO, clicks))); + } + } +} + + +//----------------------------------------------------------------------------- +// getCameraMinOffGround() +//----------------------------------------------------------------------------- +F32 LLAgentCamera::getCameraMinOffGround() +{ + if (mCameraMode == CAMERA_MODE_MOUSELOOK) + { + return 0.f; + } + else + { + if (gSavedSettings.getBOOL("DisableCameraConstraints")) + { + return -1000.f; + } + else + { + return 0.5f; + } + } +} + + +//----------------------------------------------------------------------------- +// resetCamera() +//----------------------------------------------------------------------------- +void LLAgentCamera::resetCamera() +{ + // Remove any pitch from the avatar + LLVector3 at = gAgent.getFrameAgent().getAtAxis(); + at.mV[VZ] = 0.f; + at.normalize(); + gAgent.resetAxes(at); + // have to explicitly clear field of view zoom now + mCameraFOVZoomFactor = 0.f; + + updateCamera(); +} + +//----------------------------------------------------------------------------- +// changeCameraToMouselook() +//----------------------------------------------------------------------------- +void LLAgentCamera::changeCameraToMouselook(BOOL animate) +{ + if (LLViewerJoystick::getInstance()->getOverrideCamera()) + { + return; + } + + // visibility changes at end of animation + gViewerWindow->getWindow()->resetBusyCount(); + + // unpause avatar animation + gAgent.unpauseAnimation(); + + LLToolMgr::getInstance()->setCurrentToolset(gMouselookToolset); + + if (isAgentAvatarValid()) + { + gAgentAvatarp->stopMotion(ANIM_AGENT_BODY_NOISE); + gAgentAvatarp->stopMotion(ANIM_AGENT_BREATHE_ROT); + } + + //gViewerWindow->stopGrab(); + LLSelectMgr::getInstance()->deselectAll(); + gViewerWindow->hideCursor(); + gViewerWindow->moveCursorToCenter(); + + if (mCameraMode != CAMERA_MODE_MOUSELOOK) + { + gFocusMgr.setKeyboardFocus(NULL); + + updateLastCamera(); + mCameraMode = CAMERA_MODE_MOUSELOOK; + const U32 old_flags = gAgent.getControlFlags(); + gAgent.setControlFlags(AGENT_CONTROL_MOUSELOOK); + if (old_flags != gAgent.getControlFlags()) + { + gAgent.setFlagsDirty(); + } + + if (animate) + { + startCameraAnimation(); + } + else + { + mCameraAnimating = FALSE; + gAgent.endAnimationUpdateUI(); + } + } +} + + +//----------------------------------------------------------------------------- +// changeCameraToDefault() +//----------------------------------------------------------------------------- +void LLAgentCamera::changeCameraToDefault() +{ + if (LLViewerJoystick::getInstance()->getOverrideCamera()) + { + return; + } + + if (LLFollowCamMgr::getActiveFollowCamParams()) + { + changeCameraToFollow(); + } + else + { + changeCameraToThirdPerson(); + } +} + + +// Ventrella +//----------------------------------------------------------------------------- +// changeCameraToFollow() +//----------------------------------------------------------------------------- +void LLAgentCamera::changeCameraToFollow(BOOL animate) +{ + if (LLViewerJoystick::getInstance()->getOverrideCamera()) + { + return; + } + + if(mCameraMode != CAMERA_MODE_FOLLOW) + { + if (mCameraMode == CAMERA_MODE_MOUSELOOK) + { + animate = FALSE; + } + startCameraAnimation(); + + updateLastCamera(); + mCameraMode = CAMERA_MODE_FOLLOW; + + // bang-in the current focus, position, and up vector of the follow cam + mFollowCam.reset(mCameraPositionAgent, LLViewerCamera::getInstance()->getPointOfInterest(), LLVector3::z_axis); + + if (gBasicToolset) + { + LLToolMgr::getInstance()->setCurrentToolset(gBasicToolset); + } + + if (isAgentAvatarValid()) + { + gAgentAvatarp->mPelvisp->setPosition(LLVector3::zero); + gAgentAvatarp->startMotion( ANIM_AGENT_BODY_NOISE ); + gAgentAvatarp->startMotion( ANIM_AGENT_BREATHE_ROT ); + } + + // unpause avatar animation + gAgent.unpauseAnimation(); + + const U32 old_flags = gAgent.getControlFlags(); + gAgent.clearControlFlags(AGENT_CONTROL_MOUSELOOK); + if (old_flags != gAgent.getControlFlags()) + { + gAgent.setFlagsDirty(); + } + + if (animate) + { + startCameraAnimation(); + } + else + { + mCameraAnimating = FALSE; + gAgent.endAnimationUpdateUI(); + } + } +} + +//----------------------------------------------------------------------------- +// changeCameraToThirdPerson() +//----------------------------------------------------------------------------- +void LLAgentCamera::changeCameraToThirdPerson(BOOL animate) +{ + if (LLViewerJoystick::getInstance()->getOverrideCamera()) + { + return; + } + + gViewerWindow->getWindow()->resetBusyCount(); + + mCameraZoomFraction = INITIAL_ZOOM_FRACTION; + + if (isAgentAvatarValid()) + { + if (!gAgentAvatarp->isSitting()) + { + gAgentAvatarp->mPelvisp->setPosition(LLVector3::zero); + } + gAgentAvatarp->startMotion(ANIM_AGENT_BODY_NOISE); + gAgentAvatarp->startMotion(ANIM_AGENT_BREATHE_ROT); + } + + LLVector3 at_axis; + + // unpause avatar animation + gAgent.unpauseAnimation(); + + if (mCameraMode != CAMERA_MODE_THIRD_PERSON) + { + if (gBasicToolset) + { + LLToolMgr::getInstance()->setCurrentToolset(gBasicToolset); + } + + mCameraLag.clearVec(); + if (mCameraMode == CAMERA_MODE_MOUSELOOK) + { + mCurrentCameraDistance = MIN_CAMERA_DISTANCE; + mTargetCameraDistance = MIN_CAMERA_DISTANCE; + animate = FALSE; + } + updateLastCamera(); + mCameraMode = CAMERA_MODE_THIRD_PERSON; + const U32 old_flags = gAgent.getControlFlags(); + gAgent.clearControlFlags(AGENT_CONTROL_MOUSELOOK); + if (old_flags != gAgent.getControlFlags()) + { + gAgent.setFlagsDirty(); + } + + } + + // 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 + { + at_axis = gAgent.getFrameAgent().getAtAxis(); + at_axis.mV[VZ] = 0.f; + at_axis.normalize(); + gAgent.resetAxes(at_axis); + } + + + if (animate) + { + startCameraAnimation(); + } + else + { + mCameraAnimating = FALSE; + gAgent.endAnimationUpdateUI(); + } +} + +//----------------------------------------------------------------------------- +// changeCameraToCustomizeAvatar() +//----------------------------------------------------------------------------- +void LLAgentCamera::changeCameraToCustomizeAvatar(BOOL avatar_animate, BOOL camera_animate) +{ + if (LLViewerJoystick::getInstance()->getOverrideCamera()) + { + return; + } + + gAgent.standUp(); // force stand up + gViewerWindow->getWindow()->resetBusyCount(); + + if (gFaceEditToolset) + { + LLToolMgr::getInstance()->setCurrentToolset(gFaceEditToolset); + } + + if (camera_animate) + { + startCameraAnimation(); + } + + // Remove any pitch from the avatar + //LLVector3 at = gAgent.getFrameAgent().getAtAxis(); + //at.mV[VZ] = 0.f; + //at.normalize(); + //gAgent.resetAxes(at); + + if (mCameraMode != CAMERA_MODE_CUSTOMIZE_AVATAR) + { + updateLastCamera(); + mCameraMode = CAMERA_MODE_CUSTOMIZE_AVATAR; + const U32 old_flags = gAgent.getControlFlags(); + gAgent.clearControlFlags(AGENT_CONTROL_MOUSELOOK); + if (old_flags != gAgent.getControlFlags()) + { + gAgent.setFlagsDirty(); + } + + gFocusMgr.setKeyboardFocus( NULL ); + gFocusMgr.setMouseCapture( NULL ); + + LLVOAvatarSelf::onCustomizeStart(); + } + + if (isAgentAvatarValid()) + { + if(avatar_animate) + { + // Remove any pitch from the avatar + LLVector3 at = gAgent.getFrameAgent().getAtAxis(); + at.mV[VZ] = 0.f; + at.normalize(); + gAgent.resetAxes(at); + + gAgent.sendAnimationRequest(ANIM_AGENT_CUSTOMIZE, ANIM_REQUEST_START); + gAgent.setCustomAnim(TRUE); + gAgentAvatarp->startMotion(ANIM_AGENT_CUSTOMIZE); + LLMotion* turn_motion = gAgentAvatarp->findMotion(ANIM_AGENT_CUSTOMIZE); + + if (turn_motion) + { + mAnimationDuration = turn_motion->getDuration() + CUSTOMIZE_AVATAR_CAMERA_ANIM_SLOP; + + } + else + { + mAnimationDuration = gSavedSettings.getF32("ZoomTime"); + } + } + setFocusGlobal(LLVector3d::zero); + } + else + { + mCameraAnimating = FALSE; + gAgent.endAnimationUpdateUI(); + } +} + + +void LLAgentCamera::switchCameraPreset(ECameraPreset preset) +{ + //zoom is supposed to be reset for the front and group views + mCameraZoomFraction = 1.f; + + //focusing on avatar in that case means following him on movements + mFocusOnAvatar = TRUE; + + mCameraPreset = preset; + + gSavedSettings.setU32("CameraPreset", mCameraPreset); +} + + +// +// Focus point management +// + +//----------------------------------------------------------------------------- +// startCameraAnimation() +//----------------------------------------------------------------------------- +void LLAgentCamera::startCameraAnimation() +{ + mAnimationCameraStartGlobal = getCameraPositionGlobal(); + mAnimationFocusStartGlobal = mFocusGlobal; + mAnimationTimer.reset(); + mCameraAnimating = TRUE; + mAnimationDuration = gSavedSettings.getF32("ZoomTime"); +} + +//----------------------------------------------------------------------------- +// stopCameraAnimation() +//----------------------------------------------------------------------------- +void LLAgentCamera::stopCameraAnimation() +{ + mCameraAnimating = FALSE; +} + +void LLAgentCamera::clearFocusObject() +{ + if (mFocusObject.notNull()) + { + startCameraAnimation(); + + setFocusObject(NULL); + mFocusObjectOffset.clearVec(); + } +} + +void LLAgentCamera::setFocusObject(LLViewerObject* object) +{ + mFocusObject = object; +} + +// Focus on a point, but try to keep camera position stable. +//----------------------------------------------------------------------------- +// setFocusGlobal() +//----------------------------------------------------------------------------- +void LLAgentCamera::setFocusGlobal(const LLPickInfo& pick) +{ + LLViewerObject* objectp = gObjectList.findObject(pick.mObjectID); + + if (objectp) + { + // focus on object plus designated offset + // which may or may not be same as pick.mPosGlobal + setFocusGlobal(objectp->getPositionGlobal() + LLVector3d(pick.mObjectOffset), pick.mObjectID); + } + else + { + // focus directly on point where user clicked + setFocusGlobal(pick.mPosGlobal, pick.mObjectID); + } +} + + +void LLAgentCamera::setFocusGlobal(const LLVector3d& focus, const LLUUID &object_id) +{ + setFocusObject(gObjectList.findObject(object_id)); + LLVector3d old_focus = mFocusTargetGlobal; + LLViewerObject *focus_obj = mFocusObject; + + // if focus has changed + if (old_focus != focus) + { + if (focus.isExactlyZero()) + { + if (isAgentAvatarValid()) + { + mFocusTargetGlobal = gAgent.getPosGlobalFromAgent(gAgentAvatarp->mHeadp->getWorldPosition()); + } + else + { + mFocusTargetGlobal = gAgent.getPositionGlobal(); + } + mCameraFocusOffsetTarget = getCameraPositionGlobal() - mFocusTargetGlobal; + mCameraFocusOffset = mCameraFocusOffsetTarget; + setLookAt(LOOKAT_TARGET_CLEAR); + } + else + { + mFocusTargetGlobal = focus; + if (!focus_obj) + { + mCameraFOVZoomFactor = 0.f; + } + + mCameraFocusOffsetTarget = gAgent.getPosGlobalFromAgent(mCameraVirtualPositionAgent) - mFocusTargetGlobal; + + startCameraAnimation(); + + if (focus_obj) + { + if (focus_obj->isAvatar()) + { + setLookAt(LOOKAT_TARGET_FOCUS, focus_obj); + } + else + { + setLookAt(LOOKAT_TARGET_FOCUS, focus_obj, (gAgent.getPosAgentFromGlobal(focus) - focus_obj->getRenderPosition()) * ~focus_obj->getRenderRotation()); + } + } + else + { + setLookAt(LOOKAT_TARGET_FOCUS, NULL, gAgent.getPosAgentFromGlobal(mFocusTargetGlobal)); + } + } + } + else // focus == mFocusTargetGlobal + { + if (focus.isExactlyZero()) + { + if (isAgentAvatarValid()) + { + mFocusTargetGlobal = gAgent.getPosGlobalFromAgent(gAgentAvatarp->mHeadp->getWorldPosition()); + } + else + { + mFocusTargetGlobal = gAgent.getPositionGlobal(); + } + } + mCameraFocusOffsetTarget = (getCameraPositionGlobal() - mFocusTargetGlobal) / (1.f + mCameraFOVZoomFactor);; + mCameraFocusOffset = mCameraFocusOffsetTarget; + } + + if (mFocusObject.notNull()) + { + // for attachments, make offset relative to avatar, not the attachment + if (mFocusObject->isAttachment()) + { + while (mFocusObject.notNull() && !mFocusObject->isAvatar()) + { + mFocusObject = (LLViewerObject*) mFocusObject->getParent(); + } + setFocusObject((LLViewerObject*)mFocusObject); + } + updateFocusOffset(); + } +} + +// Used for avatar customization +//----------------------------------------------------------------------------- +// setCameraPosAndFocusGlobal() +//----------------------------------------------------------------------------- +void LLAgentCamera::setCameraPosAndFocusGlobal(const LLVector3d& camera_pos, const LLVector3d& focus, const LLUUID &object_id) +{ + LLVector3d old_focus = mFocusTargetGlobal; + + F64 focus_delta_squared = (old_focus - focus).magVecSquared(); + const F64 ANIM_EPSILON_SQUARED = 0.0001; + if (focus_delta_squared > ANIM_EPSILON_SQUARED) + { + startCameraAnimation(); + + if (CAMERA_MODE_CUSTOMIZE_AVATAR == mCameraMode) + { + // Compensate for the fact that the camera has already been offset to make room for LLFloaterCustomize. + mAnimationCameraStartGlobal -= LLVector3d(LLViewerCamera::getInstance()->getLeftAxis() * calcCustomizeAvatarUIOffset( mAnimationCameraStartGlobal )); + } + } + + //LLViewerCamera::getInstance()->setOrigin( gAgent.getPosAgentFromGlobal( camera_pos ) ); + setFocusObject(gObjectList.findObject(object_id)); + mFocusTargetGlobal = focus; + mCameraFocusOffsetTarget = camera_pos - focus; + mCameraFocusOffset = mCameraFocusOffsetTarget; + + if (mFocusObject) + { + if (mFocusObject->isAvatar()) + { + setLookAt(LOOKAT_TARGET_FOCUS, mFocusObject); + } + else + { + setLookAt(LOOKAT_TARGET_FOCUS, mFocusObject, (gAgent.getPosAgentFromGlobal(focus) - mFocusObject->getRenderPosition()) * ~mFocusObject->getRenderRotation()); + } + } + else + { + setLookAt(LOOKAT_TARGET_FOCUS, NULL, gAgent.getPosAgentFromGlobal(mFocusTargetGlobal)); + } + + if (mCameraAnimating) + { + const F64 ANIM_METERS_PER_SECOND = 10.0; + const F64 MIN_ANIM_SECONDS = 0.5; + const F64 MAX_ANIM_SECONDS = 10.0; + F64 anim_duration = llmax( MIN_ANIM_SECONDS, sqrt(focus_delta_squared) / ANIM_METERS_PER_SECOND ); + anim_duration = llmin( anim_duration, MAX_ANIM_SECONDS ); + setAnimationDuration( (F32)anim_duration ); + } + + updateFocusOffset(); +} + +//----------------------------------------------------------------------------- +// setSitCamera() +//----------------------------------------------------------------------------- +void LLAgentCamera::setSitCamera(const LLUUID &object_id, const LLVector3 &camera_pos, const LLVector3 &camera_focus) +{ + BOOL camera_enabled = !object_id.isNull(); + + if (camera_enabled) + { + LLViewerObject *reference_object = gObjectList.findObject(object_id); + if (reference_object) + { + //convert to root object relative? + mSitCameraPos = camera_pos; + mSitCameraFocus = camera_focus; + mSitCameraReferenceObject = reference_object; + mSitCameraEnabled = TRUE; + } + } + else + { + mSitCameraPos.clearVec(); + mSitCameraFocus.clearVec(); + mSitCameraReferenceObject = NULL; + mSitCameraEnabled = FALSE; + } +} + +//----------------------------------------------------------------------------- +// setFocusOnAvatar() +//----------------------------------------------------------------------------- +void LLAgentCamera::setFocusOnAvatar(BOOL focus_on_avatar, BOOL animate) +{ + if (focus_on_avatar != mFocusOnAvatar) + { + if (animate) + { + startCameraAnimation(); + } + else + { + stopCameraAnimation(); + } + } + + //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) + { + 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 + { + at_axis = LLViewerCamera::getInstance()->getAtAxis(); + at_axis.mV[VZ] = 0.f; + at_axis.normalize(); + gAgent.resetAxes(at_axis); + } + } + } + // unlocking camera from avatar + else if (mFocusOnAvatar && !focus_on_avatar) + { + // keep camera focus point consistent, even though it is now unlocked + setFocusGlobal(gAgent.getPositionGlobal() + calcThirdPersonFocusOffset(), gAgent.getID()); + } + + mFocusOnAvatar = focus_on_avatar; +} + + +BOOL LLAgentCamera::setLookAt(ELookAtType target_type, LLViewerObject *object, LLVector3 position) +{ + if(object && object->isAttachment()) + { + LLViewerObject* parent = object; + while(parent) + { + if (parent == gAgentAvatarp) + { + // looking at an attachment on ourselves, which we don't want to do + object = gAgentAvatarp; + position.clearVec(); + } + parent = (LLViewerObject*)parent->getParent(); + } + } + if(!mLookAt || mLookAt->isDead()) + { + mLookAt = (LLHUDEffectLookAt *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_LOOKAT); + mLookAt->setSourceObject(gAgentAvatarp); + } + + return mLookAt->setLookAt(target_type, object, position); +} + +//----------------------------------------------------------------------------- +// lookAtLastChat() +//----------------------------------------------------------------------------- +void LLAgentCamera::lookAtLastChat() +{ + // Block if camera is animating or not in normal third person camera mode + if (mCameraAnimating || !cameraThirdPerson()) + { + return; + } + + LLViewerObject *chatter = gObjectList.findObject(gAgent.getLastChatter()); + if (!chatter) + { + return; + } + + LLVector3 delta_pos; + if (chatter->isAvatar()) + { + LLVOAvatar *chatter_av = (LLVOAvatar*)chatter; + if (isAgentAvatarValid() && chatter_av->mHeadp) + { + delta_pos = chatter_av->mHeadp->getWorldPosition() - gAgentAvatarp->mHeadp->getWorldPosition(); + } + else + { + delta_pos = chatter->getPositionAgent() - gAgent.getPositionAgent(); + } + delta_pos.normalize(); + + gAgent.setControlFlags(AGENT_CONTROL_STOP); + + changeCameraToThirdPerson(); + + LLVector3 new_camera_pos = gAgentAvatarp->mHeadp->getWorldPosition(); + LLVector3 left = delta_pos % LLVector3::z_axis; + left.normalize(); + LLVector3 up = left % delta_pos; + up.normalize(); + new_camera_pos -= delta_pos * 0.4f; + new_camera_pos += left * 0.3f; + new_camera_pos += up * 0.2f; + if (chatter_av->mHeadp) + { + setFocusGlobal(gAgent.getPosGlobalFromAgent(chatter_av->mHeadp->getWorldPosition()), gAgent.getLastChatter()); + mCameraFocusOffsetTarget = gAgent.getPosGlobalFromAgent(new_camera_pos) - gAgent.getPosGlobalFromAgent(chatter_av->mHeadp->getWorldPosition()); + } + else + { + setFocusGlobal(chatter->getPositionGlobal(), gAgent.getLastChatter()); + mCameraFocusOffsetTarget = gAgent.getPosGlobalFromAgent(new_camera_pos) - chatter->getPositionGlobal(); + } + setFocusOnAvatar(FALSE, TRUE); + } + else + { + delta_pos = chatter->getRenderPosition() - gAgent.getPositionAgent(); + delta_pos.normalize(); + + gAgent.setControlFlags(AGENT_CONTROL_STOP); + + changeCameraToThirdPerson(); + + LLVector3 new_camera_pos = gAgentAvatarp->mHeadp->getWorldPosition(); + LLVector3 left = delta_pos % LLVector3::z_axis; + left.normalize(); + LLVector3 up = left % delta_pos; + up.normalize(); + new_camera_pos -= delta_pos * 0.4f; + new_camera_pos += left * 0.3f; + new_camera_pos += up * 0.2f; + + setFocusGlobal(chatter->getPositionGlobal(), gAgent.getLastChatter()); + mCameraFocusOffsetTarget = gAgent.getPosGlobalFromAgent(new_camera_pos) - chatter->getPositionGlobal(); + setFocusOnAvatar(FALSE, TRUE); + } +} + +BOOL LLAgentCamera::setPointAt(EPointAtType target_type, LLViewerObject *object, LLVector3 position) +{ + // disallow pointing at attachments and avatars + if (object && (object->isAttachment() || object->isAvatar())) + { + return FALSE; + } + if (!mPointAt || mPointAt->isDead()) + { + mPointAt = (LLHUDEffectPointAt *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_POINTAT); + mPointAt->setSourceObject(gAgentAvatarp); + } + return mPointAt->setPointAt(target_type, object, position); +} + +ELookAtType LLAgentCamera::getLookAtType() +{ + if (mLookAt) + { + return mLookAt->getLookAtType(); + } + return LOOKAT_TARGET_NONE; +} + +EPointAtType LLAgentCamera::getPointAtType() +{ + if (mPointAt) + { + return mPointAt->getPointAtType(); + } + return POINTAT_TARGET_NONE; +} + +void LLAgentCamera::clearGeneralKeys() +{ + mAtKey = 0; + mWalkKey = 0; + mLeftKey = 0; + mUpKey = 0; + mYawKey = 0.f; + mPitchKey = 0.f; +} + +void LLAgentCamera::clearOrbitKeys() +{ + mOrbitLeftKey = 0.f; + mOrbitRightKey = 0.f; + mOrbitUpKey = 0.f; + mOrbitDownKey = 0.f; + mOrbitInKey = 0.f; + mOrbitOutKey = 0.f; +} + +void LLAgentCamera::clearPanKeys() +{ + mPanRightKey = 0.f; + mPanLeftKey = 0.f; + mPanUpKey = 0.f; + mPanDownKey = 0.f; + mPanInKey = 0.f; + mPanOutKey = 0.f; +} + +// static +S32 LLAgentCamera::directionToKey(S32 direction) +{ + if (direction > 0) return 1; + if (direction < 0) return -1; + return 0; +} + + +// EOF + |