void LLDrawable::shiftPos(const LLVector3 &shift_vector)
{
if (isDead())
{
llwarns << "Shifting dead drawable" << llendl;
return;
}
if (mParent)
{
mXform.setPosition(mVObjp->getPosition());
}
else
{
mXform.setPosition(mVObjp->getPositionAgent());
}
mXform.setRotation(mVObjp->getRotation());
mXform.setScale(1,1,1);
mXform.updateMatrix();
if (isStatic())
{
LLVOVolume* volume = getVOVolume();
if (!volume)
{
gPipeline.markRebuild(this, LLDrawable::REBUILD_ALL, TRUE);
}
for (S32 i = 0; i < getNumFaces(); i++)
{
LLFace *facep = getFace(i);
facep->mCenterAgent += shift_vector;
facep->mExtents[0] += shift_vector;
facep->mExtents[1] += shift_vector;
if (!volume && facep->hasGeometry())
{
facep->mVertexBuffer = NULL;
facep->mLastVertexBuffer = NULL;
}
}
mExtents[0] += shift_vector;
mExtents[1] += shift_vector;
mPositionGroup += LLVector3d(shift_vector);
}
else if (mSpatialBridge)
{
mSpatialBridge->shiftPos(shift_vector);
}
else if (isAvatar())
{
mExtents[0] += shift_vector;
mExtents[1] += shift_vector;
mPositionGroup += LLVector3d(shift_vector);
}
mVObjp->onShift(shift_vector);
}
void LLDrawable::makeActive()
{
#if !LL_RELEASE_FOR_DOWNLOAD
if (mVObjp.notNull())
{
U32 pcode = mVObjp->getPCode();
if (pcode == LLViewerObject::LL_VO_WATER ||
pcode == LLViewerObject::LL_VO_VOID_WATER ||
pcode == LLViewerObject::LL_VO_SURFACE_PATCH ||
pcode == LLViewerObject::LL_VO_PART_GROUP ||
pcode == LLViewerObject::LL_VO_HUD_PART_GROUP ||
#if ENABLE_CLASSIC_CLOUDS
pcode == LLViewerObject::LL_VO_CLOUDS ||
#endif
pcode == LLViewerObject::LL_VO_GROUND ||
pcode == LLViewerObject::LL_VO_SKY)
{
LL_ERRS() << "Static viewer object has active drawable!" << LL_ENDL;
}
}
#endif
if (!isState(ACTIVE)) // && mGeneration > 0)
{
setState(ACTIVE);
//parent must be made active first
if (!isRoot() && !mParent->isActive())
{
mParent->makeActive();
//NOTE: linked set will now NEVER become static
mParent->setState(LLDrawable::ACTIVE_CHILD);
}
//all child objects must also be active
llassert_always(mVObjp);
LLViewerObject::const_child_list_t& child_list = mVObjp->getChildren();
for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
iter != child_list.end(); iter++)
{
LLViewerObject* child = *iter;
LLDrawable* drawable = child->mDrawable;
if (drawable)
{
drawable->makeActive();
}
}
if (mVObjp->getPCode() == LL_PCODE_VOLUME)
{
gPipeline.markRebuild(this, LLDrawable::REBUILD_VOLUME, TRUE);
}
updatePartition();
}
llassert(isAvatar() || isRoot() || mParent->isActive());
}
// Returns "distance" between target destination and resulting xfrom
F32 LLDrawable::updateXform(BOOL undamped)
{
BOOL damped = !undamped;
// Position
LLVector3 old_pos(mXform.getPosition());
LLVector3 target_pos;
if (mXform.isRoot())
{
// get root position in your agent's region
target_pos = mVObjp->getPositionAgent();
}
else
{
// parent-relative position
target_pos = mVObjp->getPosition();
}
// Rotation
LLQuaternion old_rot(mXform.getRotation());
LLQuaternion target_rot = mVObjp->getRotation();
//scaling
LLVector3 target_scale = mVObjp->getScale();
LLVector3 old_scale = mCurrentScale;
LLVector3 dest_scale = target_scale;
// Damping
F32 dist_squared = 0.f;
F32 camdist2 = (mDistanceWRTCamera * mDistanceWRTCamera);
if (damped && isVisible())
{
F32 lerp_amt = llclamp(LLCriticalDamp::getInterpolant(OBJECT_DAMPING_TIME_CONSTANT), 0.f, 1.f);
LLVector3 new_pos = lerp(old_pos, target_pos, lerp_amt);
dist_squared = dist_vec_squared(new_pos, target_pos);
LLQuaternion new_rot = nlerp(lerp_amt, old_rot, target_rot);
dist_squared += (1.f - dot(new_rot, target_rot)) * 10.f;
LLVector3 new_scale = lerp(old_scale, target_scale, lerp_amt);
dist_squared += dist_vec_squared(new_scale, target_scale);
if ((dist_squared >= MIN_INTERPOLATE_DISTANCE_SQUARED * camdist2) &&
(dist_squared <= MAX_INTERPOLATE_DISTANCE_SQUARED))
{
// interpolate
target_pos = new_pos;
target_rot = new_rot;
target_scale = new_scale;
}
else
{
// snap to final position
dist_squared = 0.0f;
if (getVOVolume() && !isRoot())
{ //child prim snapping to some position, needs a rebuild
gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
}
}
}
if ((mCurrentScale != target_scale) ||
(!isRoot() &&
(dist_squared >= MIN_INTERPOLATE_DISTANCE_SQUARED ||
!mVObjp->getAngularVelocity().isExactlyZero() ||
target_pos != mXform.getPosition() ||
target_rot != mXform.getRotation())))
{ //child prim moving or scale change requires immediate rebuild
gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
}
else if (!getVOVolume() && !isAvatar())
{
movePartition();
}
// Update
mXform.setPosition(target_pos);
mXform.setRotation(target_rot);
mXform.setScale(LLVector3(1,1,1)); //no scale in drawable transforms (IT'S A RULE!)
mXform.updateMatrix();
mCurrentScale = target_scale;
if (mSpatialBridge)
{
gPipeline.markMoved(mSpatialBridge, FALSE);
}
return dist_squared;
}
void LLDrawable::shiftPos(const LLVector4a &shift_vector)
{
if (isDead())
{
LL_WARNS() << "Shifting dead drawable" << LL_ENDL;
return;
}
if (mParent)
{
mXform.setPosition(mVObjp->getPosition());
}
else
{
mXform.setPosition(mVObjp->getPositionAgent());
}
mXform.updateMatrix();
if (isStatic())
{
LLVOVolume* volume = getVOVolume();
bool rebuild = (!volume &&
getRenderType() != LLPipeline::RENDER_TYPE_TREE &&
getRenderType() != LLPipeline::RENDER_TYPE_TERRAIN &&
getRenderType() != LLPipeline::RENDER_TYPE_SKY &&
getRenderType() != LLPipeline::RENDER_TYPE_GROUND);
if (rebuild)
{
gPipeline.markRebuild(this, LLDrawable::REBUILD_ALL, TRUE);
}
for (S32 i = 0; i < getNumFaces(); i++)
{
LLFace *facep = getFace(i);
if (facep)
{
facep->mCenterAgent += LLVector3(shift_vector.getF32ptr());
facep->mExtents[0].add(shift_vector);
facep->mExtents[1].add(shift_vector);
if (rebuild && facep->hasGeometry())
{
facep->clearVertexBuffer();
}
}
}
mExtents[0].add(shift_vector);
mExtents[1].add(shift_vector);
mPositionGroup.add(shift_vector);
}
else if (mSpatialBridge)
{
mSpatialBridge->shiftPos(shift_vector);
}
else if (isAvatar())
{
mExtents[0].add(shift_vector);
mExtents[1].add(shift_vector);
mPositionGroup.add(shift_vector);
}
mVObjp->onShift(shift_vector);
}
// Returns "distance" between target destination and resulting xfrom
F32 LLDrawable::updateXform(BOOL undamped)
{
BOOL damped = !undamped;
// Position
LLVector3 old_pos(mXform.getPosition());
LLVector3 target_pos;
if (mXform.isRoot())
{
// get root position in your agent's region
target_pos = mVObjp->getPositionAgent();
}
else
{
// parent-relative position
target_pos = mVObjp->getPosition();
}
// Rotation
LLQuaternion old_rot(mXform.getRotation());
LLQuaternion target_rot = mVObjp->getRotation();
//scaling
LLVector3 target_scale = mVObjp->getScale();
LLVector3 old_scale = mCurrentScale;
// Damping
F32 dist_squared = 0.f;
F32 camdist2 = (mDistanceWRTCamera * mDistanceWRTCamera);
if (damped && isVisible())
{
F32 lerp_amt = llclamp(LLCriticalDamp::getInterpolant(OBJECT_DAMPING_TIME_CONSTANT), 0.f, 1.f);
LLVector3 new_pos = lerp(old_pos, target_pos, lerp_amt);
dist_squared = dist_vec_squared(new_pos, target_pos);
LLQuaternion new_rot = nlerp(lerp_amt, old_rot, target_rot);
// FIXME: This can be negative! It is be possible for some rots to 'cancel out' pos or size changes.
dist_squared += (1.f - dot(new_rot, target_rot)) * 10.f;
LLVector3 new_scale = lerp(old_scale, target_scale, lerp_amt);
dist_squared += dist_vec_squared(new_scale, target_scale);
if ((dist_squared >= MIN_INTERPOLATE_DISTANCE_SQUARED * camdist2) &&
(dist_squared <= MAX_INTERPOLATE_DISTANCE_SQUARED))
{
// interpolate
target_pos = new_pos;
target_rot = new_rot;
target_scale = new_scale;
}
else if (mVObjp->getAngularVelocity().isExactlyZero())
{
// snap to final position (only if no target omega is applied)
dist_squared = 0.0f;
if (getVOVolume() && !isRoot())
{ //child prim snapping to some position, needs a rebuild
gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
}
}
}
else
{
// The following fixes MAINT-1742 but breaks vehicles similar to MAINT-2275
// dist_squared = dist_vec_squared(old_pos, target_pos);
// The following fixes MAINT-2247 but causes MAINT-2275
//dist_squared += (1.f - dot(old_rot, target_rot)) * 10.f;
//dist_squared += dist_vec_squared(old_scale, target_scale);
}
LLVector3 vec = mCurrentScale-target_scale;
if (vec*vec > MIN_INTERPOLATE_DISTANCE_SQUARED)
{ //scale change requires immediate rebuild
mCurrentScale = target_scale;
gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
}
else if (!isRoot() &&
(!mVObjp->getAngularVelocity().isExactlyZero() ||
dist_squared > 0.f))
{ //child prim moving relative to parent, tag as needing to be rendered atomically and rebuild
dist_squared = 1.f; //keep this object on the move list
if (!isState(LLDrawable::ANIMATED_CHILD))
{
setState(LLDrawable::ANIMATED_CHILD);
gPipeline.markRebuild(this, LLDrawable::REBUILD_ALL, TRUE);
mVObjp->dirtySpatialGroup();
}
}
else if (!isRoot() &&
((dist_vec_squared(old_pos, target_pos) > 0.f)
|| (1.f - dot(old_rot, target_rot)) > 0.f))
{ //fix for BUG-840, MAINT-2275, MAINT-1742, MAINT-2247
gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE);
}
else if (!getVOVolume() && !isAvatar())
{
movePartition();
}
// Update
mXform.setPosition(target_pos);
mXform.setRotation(target_rot);
mXform.setScale(LLVector3(1,1,1)); //no scale in drawable transforms (IT'S A RULE!)
mXform.updateMatrix();
if (mSpatialBridge)
{
gPipeline.markMoved(mSpatialBridge, FALSE);
}
return dist_squared;
}