BOOL LLVOPartGroup::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_PARTICLES);
dirtySpatialGroup();
S32 num_parts = mViewerPartGroupp->getCount();
LLFace *facep;
LLSpatialGroup* group = drawable->getSpatialGroup();
if (!group && num_parts)
{
drawable->movePartition();
group = drawable->getSpatialGroup();
}
if (!num_parts)
{
if (group && drawable->getNumFaces())
{
group->setState(LLSpatialGroup::GEOM_DIRTY);
}
drawable->setNumFaces(0, NULL, getTEImage(0));
LLPipeline::sCompiles++;
return TRUE;
}
if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES)))
{
return TRUE;
}
if (num_parts > drawable->getNumFaces())
{
drawable->setNumFacesFast(num_parts+num_parts/4, NULL, getTEImage(0));
}
F32 tot_area = 0;
F32 max_area = LLViewerPartSim::getMaxPartCount() * MAX_PARTICLE_AREA_SCALE;
F32 pixel_meter_ratio = LLViewerCamera::getInstance()->getPixelMeterRatio();
pixel_meter_ratio *= pixel_meter_ratio;
LLViewerPartSim::checkParticleCount(mViewerPartGroupp->mParticles.size()) ;
S32 count=0;
mDepth = 0.f;
S32 i = 0 ;
LLVector3 camera_agent = getCameraPosition();
for (i = 0 ; i < (S32)mViewerPartGroupp->mParticles.size(); i++)
{
const LLViewerPart *part = mViewerPartGroupp->mParticles[i];
LLVector3 part_pos_agent(part->mPosAgent);
LLVector3 at(part_pos_agent - camera_agent);
F32 camera_dist_squared = at.lengthSquared();
F32 inv_camera_dist_squared;
if (camera_dist_squared > 1.f)
inv_camera_dist_squared = 1.f / camera_dist_squared;
else
inv_camera_dist_squared = 1.f;
F32 area = part->mScale.mV[0] * part->mScale.mV[1] * inv_camera_dist_squared;
tot_area = llmax(tot_area, area);
if (tot_area > max_area)
{
break;
}
count++;
facep = drawable->getFace(i);
if (!facep)
{
llwarns << "No face found for index " << i << "!" << llendl;
continue;
}
facep->setTEOffset(i);
const F32 NEAR_PART_DIST_SQ = 5.f*5.f; // Only discard particles > 5 m from the camera
const F32 MIN_PART_AREA = .005f*.005f; // only less than 5 mm x 5 mm at 1 m from camera
if (camera_dist_squared > NEAR_PART_DIST_SQ && area < MIN_PART_AREA)
{
facep->setSize(0, 0);
continue;
}
facep->setSize(4, 6);
facep->setViewerObject(this);
if (part->mFlags & LLPartData::LL_PART_EMISSIVE_MASK)
{
facep->setState(LLFace::FULLBRIGHT);
}
else
{
facep->clearState(LLFace::FULLBRIGHT);
}
facep->mCenterLocal = part->mPosAgent;
facep->setFaceColor(part->mColor);
facep->setTexture(part->mImagep);
mPixelArea = tot_area * pixel_meter_ratio;
const F32 area_scale = 10.f; // scale area to increase priority a bit
facep->setVirtualSize(mPixelArea*area_scale);
}
for (i = count; i < drawable->getNumFaces(); i++)
{
LLFace* facep = drawable->getFace(i);
if (!facep)
{
llwarns << "No face found for index " << i << "!" << llendl;
continue;
}
facep->setTEOffset(i);
facep->setSize(0, 0);
}
mDrawable->movePartition();
LLPipeline::sCompiles++;
return TRUE;
}
BOOL LLVOPartGroup::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(FTM_UPDATE_PARTICLES);
dirtySpatialGroup();
S32 num_parts = mViewerPartGroupp->getCount();
LLFace *facep;
LLSpatialGroup* group = drawable->getSpatialGroup();
if (!group && num_parts)
{
drawable->movePartition();
group = drawable->getSpatialGroup();
}
if (group && group->isVisible())
{
dirtySpatialGroup(TRUE);
}
if (!num_parts)
{
if (group && drawable->getNumFaces())
{
group->setState(LLSpatialGroup::GEOM_DIRTY);
}
drawable->setNumFaces(0, NULL, getTEImage(0));
return TRUE;
}
if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES)))
{
return TRUE;
}
if (num_parts > drawable->getNumFaces())
{
drawable->setNumFacesFast(num_parts+num_parts/4, NULL, getTEImage(0));
}
F32 tot_area = 0;
F32 max_area = LLViewerPartSim::getMaxPartCount() * MAX_PARTICLE_AREA_SCALE;
F32 pixel_meter_ratio = LLViewerCamera::getInstance()->getPixelMeterRatio();
pixel_meter_ratio *= pixel_meter_ratio;
LLViewerPartSim::checkParticleCount(mViewerPartGroupp->mParticles.size()) ;
S32 count=0;
mDepth = 0.f;
S32 i = 0 ;
LLVector3 camera_agent = getCameraPosition();
F32 max_scale = 0.f;
for (i = 0 ; i < (S32)mViewerPartGroupp->mParticles.size(); i++)
{
const LLViewerPart *part = mViewerPartGroupp->mParticles[i];
//remember the largest particle
max_scale = llmax(max_scale, part->mScale.mV[0], part->mScale.mV[1]);
if (part->mFlags & LLPartData::LL_PART_RIBBON_MASK)
{ //include ribbon segment length in scale
const LLVector3* pos_agent = NULL;
if (part->mParent)
{
pos_agent = &(part->mParent->mPosAgent);
}
else if (part->mPartSourcep.notNull())
{
pos_agent = &(part->mPartSourcep->mPosAgent);
}
if (pos_agent)
{
F32 dist = (*pos_agent-part->mPosAgent).length();
max_scale = llmax(max_scale, dist);
}
}
LLVector3 part_pos_agent(part->mPosAgent);
LLVector3 at(part_pos_agent - camera_agent);
F32 camera_dist_squared = at.lengthSquared();
F32 inv_camera_dist_squared;
if (camera_dist_squared > 1.f)
inv_camera_dist_squared = 1.f / camera_dist_squared;
else
inv_camera_dist_squared = 1.f;
llassert(llfinite(inv_camera_dist_squared));
llassert(!llisnan(inv_camera_dist_squared));
F32 area = part->mScale.mV[0] * part->mScale.mV[1] * inv_camera_dist_squared;
tot_area = llmax(tot_area, area);
if (tot_area > max_area)
{
break;
}
count++;
facep = drawable->getFace(i);
if (!facep)
{
LL_WARNS() << "No face found for index " << i << "!" << LL_ENDL;
continue;
}
facep->setTEOffset(i);
const F32 NEAR_PART_DIST_SQ = 5.f*5.f; // Only discard particles > 5 m from the camera
const F32 MIN_PART_AREA = .005f*.005f; // only less than 5 mm x 5 mm at 1 m from camera
if (camera_dist_squared > NEAR_PART_DIST_SQ && area < MIN_PART_AREA)
{
facep->setSize(0, 0);
continue;
}
facep->setSize(4, 6);
facep->setViewerObject(this);
if (part->mFlags & LLPartData::LL_PART_EMISSIVE_MASK)
{
facep->setState(LLFace::FULLBRIGHT);
}
else
{
facep->clearState(LLFace::FULLBRIGHT);
}
facep->mCenterLocal = part->mPosAgent;
facep->setFaceColor(part->mColor);
facep->setTexture(part->mImagep);
//check if this particle texture is replaced by a parcel media texture.
if(part->mImagep.notNull() && part->mImagep->hasParcelMedia())
{
part->mImagep->getParcelMedia()->addMediaToFace(facep) ;
}
mPixelArea = tot_area * pixel_meter_ratio;
const F32 area_scale = 10.f; // scale area to increase priority a bit
facep->setVirtualSize(mPixelArea*area_scale);
}
for (i = count; i < drawable->getNumFaces(); i++)
{
LLFace* facep = drawable->getFace(i);
if (!facep)
{
LL_WARNS() << "No face found for index " << i << "!" << LL_ENDL;
continue;
}
facep->setTEOffset(i);
facep->setSize(0, 0);
}
//record max scale (used to stretch bounding box for visibility culling)
mScale.set(max_scale, max_scale, max_scale);
mDrawable->movePartition();
return TRUE;
}
//-----------------------------------------------------------------------------
// removeObject()
//-----------------------------------------------------------------------------
void LLViewerJointAttachment::removeObject(LLViewerObject *object)
{
attachedobjs_vec_t::iterator iter;
for (iter = mAttachedObjects.begin();
iter != mAttachedObjects.end();
++iter)
{
LLViewerObject *attached_object = (*iter);
if (attached_object == object)
{
break;
}
}
if (iter == mAttachedObjects.end())
{
LL_WARNS() << "Could not find object to detach" << LL_ENDL;
return;
}
// force object visibile
setAttachmentVisibility(TRUE);
mAttachedObjects.erase(iter);
if (object->mDrawable.notNull())
{
//if object is active, make it static
if(object->mDrawable->isActive())
{
object->mDrawable->makeStatic(FALSE);
}
LLVector3 cur_position = object->getRenderPosition();
LLQuaternion cur_rotation = object->getRenderRotation();
object->mDrawable->mXform.setPosition(cur_position);
object->mDrawable->mXform.setRotation(cur_rotation);
gPipeline.markMoved(object->mDrawable, TRUE);
gPipeline.markTextured(object->mDrawable); // face may need to change draw pool to/from POOL_HUD
object->mDrawable->clearState(LLDrawable::USE_BACKLIGHT);
if (mIsHUDAttachment)
{
for (S32 face_num = 0; face_num < object->mDrawable->getNumFaces(); face_num++)
{
LLFace * face = object->mDrawable->getFace(face_num);
if (face)
{
face->clearState(LLFace::HUD_RENDER);
}
}
}
}
LLViewerObject::const_child_list_t& child_list = object->getChildren();
for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
iter != child_list.end(); ++iter)
{
LLViewerObject* childp = *iter;
if (childp && childp->mDrawable.notNull())
{
childp->mDrawable->clearState(LLDrawable::USE_BACKLIGHT);
gPipeline.markTextured(childp->mDrawable); // face may need to change draw pool to/from POOL_HUD
if (mIsHUDAttachment)
{
for (S32 face_num = 0; face_num < childp->mDrawable->getNumFaces(); face_num++)
{
LLFace * face = childp->mDrawable->getFace(face_num);
if (face)
{
face->clearState(LLFace::HUD_RENDER);
}
}
}
}
}
if (mIsHUDAttachment)
{
if (object->mText.notNull())
{
object->mText->setOnHUDAttachment(FALSE);
}
LLViewerObject::const_child_list_t& child_list = object->getChildren();
for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
iter != child_list.end(); ++iter)
{
LLViewerObject* childp = *iter;
if (childp->mText.notNull())
{
childp->mText->setOnHUDAttachment(FALSE);
}
}
}
if (mAttachedObjects.size() == 0)
{
mUpdateXform = FALSE;
}
object->setAttachmentItemID(LLUUID::null);
}
