LLViewerCamera Class Reference

#include <llviewercamera.h>

Inheritance diagram for LLViewerCamera:

Inheritance graph
[legend]
Collaboration diagram for LLViewerCamera:

Collaboration graph
[legend]

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 ()

Static Public Member Functions

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

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

Detailed Description

Definition at line 53 of file llviewercamera.h.

Constructor & Destructor Documentation

LLViewerCamera::LLViewerCamera (  ) 

Definition at line 88 of file llviewercamera.cpp.

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

Here is the call graph for this function:

Member Function Documentation

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

Definition at line 98 of file llviewercamera.cpp.

References LLStat::addValue(), gAgent, LLQuaternion::getAngleAxis(), LLCoordFrame::getAtAxis(), LLSingleton< LLViewerJoystick >::getInstance(), LLSingleton< LLToolMgr >::getInstance(), LLCoordFrame::getOrigin(), LLAgent::getPositionAgent(), LLAgent::getRegion(), LLViewerRegion::getWaterHeight(), llmax(), llmin(), mAngularVelocityStat, LLCamera::mAspect, mCameraFOVDefault, mLastPointOfInterest, mPixelMeterRatio, mScreenPixelArea, LLVector3::mV, mVelocityStat, LLCamera::mViewHeightInPixels, NULL, S32, LLCoordFrame::setOriginAndLookAt(), LLQuaternion::shortestArc(), and tanf.

Referenced by LLAgent::updateCamera().

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 194 of file llviewercamera.cpp.

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

Referenced by LLPipeline::generateReflectionMap(), LLPipeline::generateWaterReflection(), LLViewerWindow::hitObjectOrLandGlobalAsync(), render_hud_attachments(), and setPerspective().

Here is the call graph for this function:

Here is the caller graph for this function:

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 263 of file llviewercamera.cpp.

References calcProjection(), LLCamera::calculateFrustumPlanesFromWindow(), FALSE, gAgent, LLCamera::getAspect(), LLControlGroup::getBOOL(), LLControlGroup::getF32(), LLCamera::getFar(), LLCamera::getNear(), LLCoordFrame::getOpenGLTransform(), LLCamera::getView(), LLViewerWindow::getWindowHeight(), LLViewerWindow::getWindowWidth(), gGLModelView, gGLProjection, gGLViewport, gGLZFar, gGLZNear, gl_perspective(), gl_pick_matrix(), gSavedSettings, gViewerWindow, i, llceil(), MAX_FAR_CLIP, LLAgent::mDrawDistance, mZoomFactor, mZoomSubregion, OGL_TO_CFR_ROTATION, RAD_TO_DEG, LLCoordFrame::translate(), TRUE, and updateFrustumPlanes().

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

Here is the call graph for this function:

Here is the caller graph for this function:

const LLMatrix4 & LLViewerCamera::getProjection (  )  const

Definition at line 155 of file llviewercamera.cpp.

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

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

Here is the call graph for this function:

Here is the caller graph for this function:

const LLMatrix4 & LLViewerCamera::getModelview (  )  const

Definition at line 162 of file llviewercamera.cpp.

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

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

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 395 of file llviewercamera.cpp.

References gGLModelView, gGLProjection, gGLViewport, and LLVector3::setVec().

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

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 411 of file llviewercamera.cpp.

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

Referenced by LLToolGrab::handleHoverActive(), LLToolCamera::handleMouseUp(), LLHUDText::renderText(), roundToPixel(), and LLManipRotate::updateVisiblity().

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 515 of file llviewercamera.cpp.

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

Here is the call graph for this function:

LLStat* LLViewerCamera::getVelocityStat (  )  [inline]

Definition at line 77 of file llviewercamera.h.

References mVelocityStat.

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

Here is the caller graph for this function:

LLStat* LLViewerCamera::getAngularVelocityStat (  )  [inline]

Definition at line 78 of file llviewercamera.h.

References mAngularVelocityStat.

Referenced by LLHoverView::updateHover().

Here is the caller graph for this function:

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

Definition at line 651 of file llviewercamera.cpp.

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

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

Here is the call graph for this function:

Here is the caller graph for this function:

LLVector3 LLViewerCamera::roundToPixel ( const LLVector3 &  pos_agent  ) 

Definition at line 667 of file llviewercamera.cpp.

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

Here is the call graph for this function:

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

Definition at line 83 of file llviewercamera.h.

References mCameraFOVDefault.

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

Here is the caller graph for this function:

F32 LLViewerCamera::getDefaultFOV (  )  [inline]

Definition at line 84 of file llviewercamera.h.

References mCameraFOVDefault.

Referenced by LLFloaterAnimPreview::postBuild(), LLSelectNode::renderOneSilhouette(), and update_fov().

Here is the caller graph for this function:

BOOL LLViewerCamera::cameraUnderWater (  )  const

Definition at line 694 of file llviewercamera.cpp.

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

Referenced by display(), and LLPipeline::generateWaterReflection().

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 88 of file llviewercamera.h.

References mLastPointOfInterest.

Referenced by LLSelectNode::renderOneSilhouette().

Here is the caller graph for this function:

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

Definition at line 699 of file llviewercamera.cpp.

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

Referenced by LLToolSelectRect::handleRectangleSelection().

Here is the call graph for this function:

Here is the caller graph for this function:

F32 LLViewerCamera::getPixelMeterRatio (  )  const [inline]

Definition at line 90 of file llviewercamera.h.

References mPixelMeterRatio.

Referenced by LLManipTranslate::renderSnapGuides(), LLViewerObject::setPixelAreaAndAngle(), LLViewerPartSourceScript::update(), LLVOPartGroup::updateGeometry(), and LLManipScale::updateSnapGuides().

Here is the caller graph for this function:

S32 LLViewerCamera::getScreenPixelArea (  )  const [inline]

Definition at line 91 of file llviewercamera.h.

References mScreenPixelArea.

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

Here is the caller graph for this function:

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

Definition at line 93 of file llviewercamera.h.

References mZoomFactor, and mZoomSubregion.

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

Here is the caller graph for this function:

F32 LLViewerCamera::getZoomFactor (  )  [inline]

Definition at line 94 of file llviewercamera.h.

References mZoomFactor.

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

Here is the caller graph for this function:

S16 LLViewerCamera::getZoomSubRegion (  )  [inline]

Definition at line 95 of file llviewercamera.h.

References mZoomSubregion.

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

Here is the caller graph for this function:

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

Definition at line 170 of file llviewercamera.cpp.

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

Referenced by getProjection(), LLViewerCamera(), and setPerspective().

Here is the call graph for this function:

Here is the caller graph for this function:

Member Data Documentation

LLStat LLViewerCamera::mVelocityStat [protected]

Definition at line 100 of file llviewercamera.h.

Referenced by getVelocityStat(), and updateCameraLocation().

LLStat LLViewerCamera::mAngularVelocityStat [protected]

Definition at line 101 of file llviewercamera.h.

Referenced by getAngularVelocityStat(), and updateCameraLocation().

LLMatrix4 LLViewerCamera::mProjectionMatrix [mutable, protected]

Definition at line 102 of file llviewercamera.h.

Referenced by calcProjection(), and getProjection().

LLMatrix4 LLViewerCamera::mModelviewMatrix [mutable, protected]

Definition at line 103 of file llviewercamera.h.

Referenced by getModelview().

F32 LLViewerCamera::mCameraFOVDefault [protected]

Definition at line 104 of file llviewercamera.h.

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

LLVector3 LLViewerCamera::mLastPointOfInterest [protected]

Definition at line 105 of file llviewercamera.h.

Referenced by getPointOfInterest(), and updateCameraLocation().

F32 LLViewerCamera::mPixelMeterRatio [protected]

Definition at line 106 of file llviewercamera.h.

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

S32 LLViewerCamera::mScreenPixelArea [protected]

Definition at line 107 of file llviewercamera.h.

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

F32 LLViewerCamera::mZoomFactor [protected]

Definition at line 108 of file llviewercamera.h.

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

S16 LLViewerCamera::mZoomSubregion [protected]

Definition at line 109 of file llviewercamera.h.

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

The documentation for this class was generated from the following files:
Generated on Fri May 16 09:26:16 2008 for SecondLife by  doxygen 1.5.5