LLViewerCamera Class Reference

#include <llviewercamera.h>

Inheritance diagram for LLViewerCamera:

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Collaboration diagram for LLViewerCamera:

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List of all members.

Public Member Functions

 LLViewerCamera ()
void updateCameraLocation (const LLVector3 &center, const LLVector3 &up_direction, const LLVector3 &point_of_interest)
void setPerspective (BOOL for_selection, S32 x, S32 y_from_bot, S32 width, S32 height, BOOL limit_select_distance, F32 z_near=0, F32 z_far=0)
const LLMatrix4 & getProjection () const
const LLMatrix4 & getModelview () const
void projectScreenToPosAgent (const S32 screen_x, const S32 screen_y, LLVector3 *pos_agent) const
BOOL projectPosAgentToScreen (const LLVector3 &pos_agent, LLCoordGL &out_point, const BOOL clamp=TRUE) const
BOOL projectPosAgentToScreenEdge (const LLVector3 &pos_agent, LLCoordGL &out_point) const
LLStat * getVelocityStat ()
LLStat * getAngularVelocityStat ()
void getPixelVectors (const LLVector3 &pos_agent, LLVector3 &up, LLVector3 &right)
LLVector3 roundToPixel (const LLVector3 &pos_agent)
void setDefaultFOV (F32 fov)
F32 getDefaultFOV ()
BOOL cameraUnderWater () const
const LLVector3 & getPointOfInterest ()
BOOL areVertsVisible (LLViewerObject *volumep, BOOL all_verts)
F32 getPixelMeterRatio () const
S32 getScreenPixelArea () const
void setZoomParameters (F32 factor, S16 subregion)
F32 getZoomFactor ()
S16 getZoomSubRegion ()
void updateStereoValues ()
void rotateToLeftEye ()
void rotateToRightEye ()

Static Public Member Functions

static void updateFrustumPlanes (LLCamera &camera, BOOL ortho=FALSE)

Public Attributes

F64 mGLProjectionMatrix [16]

Protected Member Functions

void calcProjection (const F32 far_distance) const

Protected Attributes

LLStat mVelocityStat
LLStat mAngularVelocityStat
LLMatrix4 mProjectionMatrix
LLMatrix4 mModelviewMatrix
F32 mCameraFOVDefault
LLVector3 mLastPointOfInterest
F32 mPixelMeterRatio
S32 mScreenPixelArea
F32 mZoomFactor
S16 mZoomSubregion
LLVector3 mCameraTempPosition
LLVector3 mStereoLastPOI

Detailed Description

Definition at line 50 of file llviewercamera.h.

Constructor & Destructor Documentation

LLViewerCamera::LLViewerCamera (  ) 

Definition at line 53 of file llviewercamera.cpp.

References calcProjection(), DEFAULT_FIELD_OF_VIEW, f, LLCamera::getFar(), i, mCameraFOVDefault, mGLProjectionMatrix, mPixelMeterRatio, mScreenPixelArea, mZoomFactor, mZoomSubregion, and S32.

Member Function Documentation

BOOL LLViewerCamera::areVertsVisible ( LLViewerObject *  volumep,
BOOL  all_verts 
)

Definition at line 625 of file llviewercamera.cpp.

References face, FALSE, LLVolume::getNumVolumeFaces(), LLVOVolume::getRelativeXform(), LLViewerObject::getRenderPosition(), LLViewerObject::getRenderRotation(), LLPrimitive::getVolume(), LLVolume::getVolumeFace(), i, LLDrawable::isActive(), LLViewerObject::mDrawable, LLCamera::pointInFrustum(), S32, LLVOVolume::updateRelativeXform(), and v.

Referenced by LLToolSelectRect::handleRectangleSelection().

void LLViewerCamera::calcProjection ( const F32  far_distance  )  const [protected]

Definition at line 119 of file llviewercamera.cpp.

References f, LLCamera::getAspect(), LLCamera::getNear(), LLCamera::getView(), LLMatrix4::mMatrix, mProjectionMatrix, and LLMatrix4::zero().

Referenced by getProjection(), and LLViewerCamera().

BOOL LLViewerCamera::cameraUnderWater (  )  const

Definition at line 620 of file llviewercamera.cpp.

References gAgent, LLCoordFrame::getOrigin(), LLAgent::getRegion(), LLViewerRegion::getWaterHeight(), LLVector3::mV, and VZ.

Referenced by LLDrawPoolWater::render(), LLDrawPoolWater::renderShaderSimple(), and LLDrawPoolWater::shade().

LLStat* LLViewerCamera::getAngularVelocityStat (  )  [inline]

Definition at line 75 of file llviewercamera.h.

References mAngularVelocityStat.

Referenced by idle(), and LLHoverView::updateHover().

F32 LLViewerCamera::getDefaultFOV (  )  [inline]

Definition at line 81 of file llviewercamera.h.

References mCameraFOVDefault.

Referenced by LLFloaterAnimPreview::postBuild(), LLImagePreviewSculpted::render(), LLImagePreviewAvatar::render(), LLPreviewAnimation::render(), LLSelectNode::renderOneSilhouette(), update_fov(), and LLAgent::updateCamera().

const LLMatrix4 & LLViewerCamera::getModelview (  )  const

Definition at line 111 of file llviewercamera.cpp.

References LLCoordFrame::getMatrixToLocal(), mModelviewMatrix, and OGL_TO_CFR_ROTATION.

Referenced by LLManipTranslate::highlightManipulators(), LLManipScale::highlightManipulators(), LLDrawPoolWater::render(), LLDrawPoolWater::renderShaderSimple(), and LLPipeline::setupAvatarLights().

F32 LLViewerCamera::getPixelMeterRatio (  )  const [inline]

Definition at line 87 of file llviewercamera.h.

References mPixelMeterRatio.

Referenced by LLManip::getSubdivisionLevel(), LLManipTranslate::renderSnapGuides(), LLVOAvatar::setPixelAreaAndAngle(), LLViewerObject::setPixelAreaAndAngle(), LLVOPartGroup::updateGeometry(), and LLManipScale::updateSnapGuides().

void LLViewerCamera::getPixelVectors ( const LLVector3 &  pos_agent,
LLVector3 &  up,
LLVector3 &  right 
)

Definition at line 577 of file llviewercamera.cpp.

References f, LLCoordFrame::getAtAxis(), LLViewerWindow::getDisplayScale(), LLCoordFrame::getLeftAxis(), LLCoordFrame::getOrigin(), LLWindow::getPixelAspectRatio(), LLCoordFrame::getUpAxis(), LLCamera::getView(), LLCamera::getViewHeightInPixels(), LLViewerWindow::getWindow(), gViewerWindow, LLVector2::mV, right, VX, and VY.

Referenced by hud_render_text(), LLVOAvatar::idleUpdate(), LLHUDIcon::renderIcon(), LLHUDText::renderText(), LLHUDText::updateScreenPos(), and LLHUDText::updateVisibility().

const LLVector3& LLViewerCamera::getPointOfInterest (  )  [inline]

Definition at line 85 of file llviewercamera.h.

References mLastPointOfInterest.

Referenced by LLAgent::changeCameraToFollow(), and LLSelectNode::renderOneSilhouette().

const LLMatrix4 & LLViewerCamera::getProjection (  )  const

Definition at line 104 of file llviewercamera.cpp.

References calcProjection(), LLCamera::getFar(), and mProjectionMatrix.

Referenced by LLManipTranslate::highlightManipulators(), and LLManipScale::highlightManipulators().

S32 LLViewerCamera::getScreenPixelArea (  )  const [inline]

Definition at line 88 of file llviewercamera.h.

References mScreenPixelArea.

Referenced by LLVolumeImplFlexible::doIdleUpdate(), LLSpatialPartition::renderDebug(), LLViewerObject::setPixelAreaAndAngle(), and LLVOVolume::updateTextures().

LLStat* LLViewerCamera::getVelocityStat (  )  [inline]

Definition at line 74 of file llviewercamera.h.

References mVelocityStat.

Referenced by idle(), LLHUDText::updateAll(), and LLHoverView::updateHover().

F32 LLViewerCamera::getZoomFactor (  )  [inline]

Definition at line 91 of file llviewercamera.h.

References mZoomFactor.

Referenced by LLViewerWindow::draw(), render_ui_2d(), and setup_hud_matrices().

S16 LLViewerCamera::getZoomSubRegion (  )  [inline]

Definition at line 92 of file llviewercamera.h.

References mZoomSubregion.

Referenced by LLViewerWindow::draw(), render_ui_2d(), and setup_hud_matrices().

BOOL LLViewerCamera::projectPosAgentToScreen ( const LLVector3 &  pos_agent,
LLCoordGL &  out_point,
const BOOL  clamp = TRUE 
) const

Definition at line 337 of file llviewercamera.cpp.

References f, FALSE, LLCoordFrame::getAtAxis(), LLViewerWindow::getDisplayScale(), LLCoordFrame::getOrigin(), LLViewerWindow::getWindowRect(), gGLModelView, gGLViewport, gViewerWindow, lltrunc(), LLVector3::magVec(), LLRectBase< Type >::mBottom, mGLProjectionMatrix, LLRectBase< Type >::mLeft, LLRectBase< Type >::mRight, LLRectBase< Type >::mTop, LLVector2::mV, LLVector3::mV, LLCoord::mX, LLCoord::mY, S32, TRUE, VX, VY, VZ, x, y, and z.

Referenced by LLTracker::drawMarker(), LLToolGrab::handleHoverActive(), LLManipTranslate::handleMouseDownOnPart(), LLToolCamera::handleMouseUp(), LLToolGrab::onMouseCaptureLost(), LLHUDText::renderText(), roundToPixel(), LLHUDText::updateScreenPos(), and LLManipRotate::updateVisiblity().

BOOL LLViewerCamera::projectPosAgentToScreenEdge ( const LLVector3 &  pos_agent,
LLCoordGL &  out_point 
) const

Definition at line 441 of file llviewercamera.cpp.

References f, FALSE, LLCoordFrame::getAtAxis(), LLViewerWindow::getDisplayScale(), LLRectBase< Type >::getHeight(), LLCoordFrame::getOrigin(), LLViewerWindow::getVirtualWindowRect(), LLRectBase< Type >::getWidth(), gGLModelView, gGLViewport, gViewerWindow, lltrunc(), LLVector3::magVec(), LLRectBase< Type >::mBottom, mGLProjectionMatrix, LLRectBase< Type >::mLeft, LLRectBase< Type >::mRight, LLRectBase< Type >::mTop, LLVector2::mV, LLVector3::mV, LLCoord::mX, LLCoord::mY, S32, TRUE, VX, VY, VZ, x, y, and z.

Referenced by LLTracker::drawMarker().

void LLViewerCamera::projectScreenToPosAgent ( const S32  screen_x,
const S32  screen_y,
LLVector3 *  pos_agent 
) const

Definition at line 321 of file llviewercamera.cpp.

References gGLModelView, gGLViewport, mGLProjectionMatrix, LLVector3::setVec(), x, y, and z.

Referenced by LLManipRotate::mouseToRay(), and roundToPixel().

void LLViewerCamera::rotateToLeftEye (  ) 

Definition at line 684 of file llviewercamera.cpp.

References LLControlGroup::getF32(), LLCoordFrame::getLeftAxis(), LLCoordFrame::getUpAxis(), gSavedSettings, mCameraTempPosition, mStereoLastPOI, LLVector3::normVec(), and updateCameraLocation().

Referenced by display().

void LLViewerCamera::rotateToRightEye (  ) 

Definition at line 702 of file llviewercamera.cpp.

References LLControlGroup::getF32(), LLCoordFrame::getLeftAxis(), LLCoordFrame::getUpAxis(), gSavedSettings, mCameraTempPosition, mStereoLastPOI, LLVector3::normVec(), and updateCameraLocation().

Referenced by display().

LLVector3 LLViewerCamera::roundToPixel ( const LLVector3 &  pos_agent  ) 

Definition at line 593 of file llviewercamera.cpp.

References FALSE, LLCoordFrame::getOrigin(), LLCoord::mX, LLCoord::mY, LLVector3::normVec(), projectPosAgentToScreen(), and projectScreenToPosAgent().

void LLViewerCamera::setDefaultFOV ( F32  fov  )  [inline]

Definition at line 80 of file llviewercamera.h.

References mCameraFOVDefault.

Referenced by LLViewZoomDefault::handleEvent(), and update_fov().

void LLViewerCamera::setPerspective ( BOOL  for_selection,
S32  x,
S32  y_from_bot,
S32  width,
S32  height,
BOOL  limit_select_distance,
F32  z_near = 0,
F32  z_far = 0 
)

Definition at line 188 of file llviewercamera.cpp.

References bottom, LLCamera::calculateFrustumPlanesFromWindow(), f, FALSE, gAgent, LLControlGroup::getBOOL(), LLControlGroup::getF32(), LLCamera::getFar(), LLCamera::getNear(), LLCoordFrame::getOpenGLTransform(), LLCamera::getView(), LLViewerWindow::getWindowHeight(), LLViewerWindow::getWindowWidth(), gGLModelView, gGLViewport, glGetIntegerv, glLoadMatrixf, glMultMatrixf, glRotatef, glTranslatef, gProjectionMat, gSavedSettings, gViewerWindow, left, llceil(), MAX_FAR_CLIP, LLAgent::mDrawDistance, mGLProjectionMatrix, mZoomFactor, mZoomSubregion, OGL_TO_CFR_ROTATION, RAD_TO_DEG, right, top, TRUE, and updateFrustumPlanes().

Referenced by LLViewerWindow::analyzeHit(), LLToolSelectRect::handleRectangleSelection(), LLViewerWindow::hitObjectOrLandGlobalAsync(), LLVisualParamHint::render(), LLImagePreviewSculpted::render(), LLImagePreviewAvatar::render(), LLPreviewAnimation::render(), and LLViewerWindow::setup3DRender().

void LLViewerCamera::setZoomParameters ( F32  factor,
S16  subregion 
) [inline]

Definition at line 90 of file llviewercamera.h.

References mZoomFactor, and mZoomSubregion.

Referenced by display(), and LLViewerWindow::rawSnapshot().

void LLViewerCamera::updateCameraLocation ( const LLVector3 &  center,
const LLVector3 &  up_direction,
const LLVector3 &  point_of_interest 
)

Definition at line 68 of file llviewercamera.cpp.

References LLStat::addValue(), gAgent, LLQuaternion::getAngleAxis(), LLCoordFrame::getAtAxis(), LLCoordFrame::getOrigin(), LLAgent::getPositionAgent(), mAngularVelocityStat, LLCamera::mAspect, mCameraFOVDefault, mLastPointOfInterest, mPixelMeterRatio, mScreenPixelArea, mVelocityStat, LLCamera::mViewHeightInPixels, S32, LLCoordFrame::setOriginAndLookAt(), LLQuaternion::shortestArc(), tanf, x, y, and z.

Referenced by rotateToLeftEye(), rotateToRightEye(), and LLAgent::updateCamera().

void LLViewerCamera::updateFrustumPlanes ( LLCamera &  camera,
BOOL  ortho = FALSE 
) [static]

Definition at line 145 of file llviewercamera.cpp.

References LLCamera::calcAgentFrustumPlanes(), LLCamera::getFar(), LLCoordFrame::getOrigin(), glGetIntegerv, i, LLVector3::normVec(), and LLVector3::setVec().

Referenced by display(), LLPipeline::generateReflectionMap(), and setPerspective().

void LLViewerCamera::updateStereoValues (  ) 

Definition at line 675 of file llviewercamera.cpp.

References LLCoordFrame::getOrigin(), mCameraTempPosition, mLastPointOfInterest, and mStereoLastPOI.

Referenced by display().

Member Data Documentation

LLStat LLViewerCamera::mAngularVelocityStat [protected]

Definition at line 106 of file llviewercamera.h.

Referenced by getAngularVelocityStat(), and updateCameraLocation().

F32 LLViewerCamera::mCameraFOVDefault [protected]

Definition at line 109 of file llviewercamera.h.

Referenced by getDefaultFOV(), LLViewerCamera(), setDefaultFOV(), and updateCameraLocation().

LLVector3 LLViewerCamera::mCameraTempPosition [protected]

Definition at line 117 of file llviewercamera.h.

Referenced by rotateToLeftEye(), rotateToRightEye(), and updateStereoValues().

F64 LLViewerCamera::mGLProjectionMatrix[16]

Definition at line 122 of file llviewercamera.h.

Referenced by LLViewerCamera(), projectPosAgentToScreen(), projectPosAgentToScreenEdge(), projectScreenToPosAgent(), and setPerspective().

LLVector3 LLViewerCamera::mLastPointOfInterest [protected]

Definition at line 110 of file llviewercamera.h.

Referenced by getPointOfInterest(), updateCameraLocation(), and updateStereoValues().

LLMatrix4 LLViewerCamera::mModelviewMatrix [mutable, protected]

Definition at line 108 of file llviewercamera.h.

Referenced by getModelview().

F32 LLViewerCamera::mPixelMeterRatio [protected]

Definition at line 111 of file llviewercamera.h.

Referenced by getPixelMeterRatio(), LLViewerCamera(), and updateCameraLocation().

LLMatrix4 LLViewerCamera::mProjectionMatrix [mutable, protected]

Definition at line 107 of file llviewercamera.h.

Referenced by calcProjection(), and getProjection().

S32 LLViewerCamera::mScreenPixelArea [protected]

Definition at line 112 of file llviewercamera.h.

Referenced by getScreenPixelArea(), LLViewerCamera(), and updateCameraLocation().

LLVector3 LLViewerCamera::mStereoLastPOI [protected]

Definition at line 118 of file llviewercamera.h.

Referenced by rotateToLeftEye(), rotateToRightEye(), and updateStereoValues().

LLStat LLViewerCamera::mVelocityStat [protected]

Definition at line 105 of file llviewercamera.h.

Referenced by getVelocityStat(), and updateCameraLocation().

F32 LLViewerCamera::mZoomFactor [protected]

Definition at line 113 of file llviewercamera.h.

Referenced by getZoomFactor(), LLViewerCamera(), setPerspective(), and setZoomParameters().

S16 LLViewerCamera::mZoomSubregion [protected]

Definition at line 114 of file llviewercamera.h.

Referenced by getZoomSubRegion(), LLViewerCamera(), setPerspective(), and setZoomParameters().

The documentation for this class was generated from the following files:
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