BOOL LLPrimitive::setVolume(const LLVolumeParams &volume_params, const S32 detail, bool unique_volume)
{
LLMemType m1(LLMemType::MTYPE_VOLUME);
LLVolume *volumep;
if (unique_volume)
{
F32 volume_detail = LLVolumeLODGroup::getVolumeScaleFromDetail(detail);
if (mVolumep.notNull() && volume_params == mVolumep->getParams() && (volume_detail == mVolumep->getDetail()))
{
return FALSE;
}
volumep = new LLVolume(volume_params, volume_detail, FALSE, TRUE);
}
else
{
if (mVolumep.notNull())
{
F32 volume_detail = LLVolumeLODGroup::getVolumeScaleFromDetail(detail);
if (volume_params == mVolumep->getParams() && (volume_detail == mVolumep->getDetail()))
{
return FALSE;
}
}
volumep = sVolumeManager->refVolume(volume_params, detail);
if (volumep == mVolumep)
{
sVolumeManager->unrefVolume( volumep ); // LLVolumeMgr::refVolume() creates a reference, but we don't need a second one.
return TRUE;
}
}
setChanged(GEOMETRY);
if (!mVolumep)
{
mVolumep = volumep;
//mFaceMask = mVolumep->generateFaceMask();
setNumTEs(mVolumep->getNumFaces());
return TRUE;
}
U32 old_face_mask = mVolumep->mFaceMask;
// build the new object
sVolumeManager->unrefVolume(mVolumep);
mVolumep = volumep;
U32 new_face_mask = mVolumep->mFaceMask;
if (old_face_mask != new_face_mask)
{
setNumTEs(mVolumep->getNumFaces());
}
return TRUE;
}
LLVOPartGroup::LLVOPartGroup(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
: LLAlphaObject(id, pcode, regionp),
mViewerPartGroupp(NULL)
{
setNumTEs(1);
setTETexture(0, LLUUID::null);
mbCanSelect = FALSE; // users can't select particle systems
}
LLVOClouds::LLVOClouds(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
: LLAlphaObject(id, LL_VO_CLOUDS, regionp)
{
mCloudGroupp = NULL;
mbCanSelect = FALSE;
setNumTEs(1);
LLViewerTexture* image = LLViewerTextureManager::getFetchedTexture(gCloudTextureID);
image->setBoostLevel(LLViewerTexture::BOOST_CLOUDS);
setTEImage(0, image);
}
BOOL LLPrimitive::setVolume(const LLVolumeParams &volume_params, const S32 detail, bool unique_volume)
{
LLMemType m1(LLMemType::MTYPE_VOLUME);
LLVolume *volumep;
if (unique_volume)
{
F32 volume_detail = LLVolumeLODGroup::getVolumeScaleFromDetail(detail);
if (mVolumep.notNull() && volume_params == mVolumep->getParams() && (volume_detail == mVolumep->getDetail()))
{
return FALSE;
}
volumep = new LLVolume(volume_params, volume_detail, FALSE, TRUE);
}
else
{
if (mVolumep.notNull())
{
F32 volume_detail = LLVolumeLODGroup::getVolumeScaleFromDetail(detail);
if (volume_params == mVolumep->getParams() && (volume_detail == mVolumep->getDetail()))
{
return FALSE;
}
}
volumep = sVolumeManager->refVolume(volume_params, detail);
if (volumep == mVolumep)
{
sVolumeManager->unrefVolume( volumep ); // LLVolumeMgr::refVolume() creates a reference, but we don't need a second one.
return TRUE;
}
}
setChanged(GEOMETRY);
if (!mVolumep)
{
mVolumep = volumep;
//mFaceMask = mVolumep->generateFaceMask();
setNumTEs(mVolumep->getNumFaces());
return TRUE;
}
#if 0
// #if 0'd out by davep
// this is a lot of cruft to set texture entry values that just stay the same for LOD switch
// or immediately get overridden by an object update message, also crashes occasionally
U32 old_face_mask = mVolumep->mFaceMask;
S32 face_bit = 0;
S32 cur_mask = 0;
// Grab copies of the old faces from the original shape, ordered by type.
// We will use these to figure out what old texture info gets mapped to new
// faces in the new shape.
std::vector<LLProfile::Face> old_faces;
for (S32 face = 0; face < mVolumep->getNumFaces(); face++)
{
old_faces.push_back(mVolumep->getProfile().mFaces[face]);
}
// Copy the old texture info off to the side, but not in the order in which
// they live in the mTextureList, rather in order of ther "face id" which
// is the corresponding value of LLVolueParams::LLProfile::mFaces::mIndex.
//
// Hence, some elements of old_tes::mEntryList will be invalid. It is
// initialized to a size of 9 (max number of possible faces on a volume?)
// and only the ones with valid types are filled in.
LLPrimTextureList old_tes;
old_tes.setSize(9);
for (face_bit = 0; face_bit < 9; face_bit++)
{
cur_mask = 0x1 << face_bit;
if (old_face_mask & cur_mask)
{
S32 te_index = face_index_from_id(cur_mask, old_faces);
old_tes.copyTexture(face_bit, *(getTE(te_index)));
//llinfos << face_bit << ":" << te_index << ":" << old_tes[face_bit].getID() << llendl;
}
}
// build the new object
sVolumeManager->unrefVolume(mVolumep);
mVolumep = volumep;
U32 new_face_mask = mVolumep->mFaceMask;
S32 i;
if (old_face_mask == new_face_mask)
{
// nothing to do
return TRUE;
}
if (mVolumep->getNumFaces() == 0 && new_face_mask != 0)
{
llwarns << "Object with 0 faces found...INCORRECT!" << llendl;
setNumTEs(mVolumep->getNumFaces());
return TRUE;
}
// initialize face_mapping
S32 face_mapping[9];
for (face_bit = 0; face_bit < 9; face_bit++)
{
face_mapping[face_bit] = face_bit;
}
// The new shape may have more faces than the original, but we can't just
// add them to the end -- the ordering matters and it may be that we must
// insert the new faces in the middle of the list. When we add a face it
// will pick up the texture/color info of one of the old faces an so we
// now figure out which old face info gets mapped to each new face, and
// store in the face_mapping lookup table.
for (face_bit = 0; face_bit < 9; face_bit++)
{
cur_mask = 0x1 << face_bit;
if (!(new_face_mask & cur_mask))
{
// Face doesn't exist in new map.
face_mapping[face_bit] = -1;
continue;
}
else if (old_face_mask & cur_mask)
{
// Face exists in new and old map.
face_mapping[face_bit] = face_bit;
continue;
}
// OK, how we've got a mismatch, where we have to fill a new face with one from
// the old face.
if (cur_mask & (LL_FACE_PATH_BEGIN | LL_FACE_PATH_END | LL_FACE_INNER_SIDE))
{
// It's a top/bottom/hollow interior face.
if (old_face_mask & LL_FACE_PATH_END)
{
face_mapping[face_bit] = 1;
continue;
}
else
{
S32 cur_outer_mask = LL_FACE_OUTER_SIDE_0;
for (i = 0; i < 4; i++)
{
if (old_face_mask & cur_outer_mask)
{
face_mapping[face_bit] = 5 + i;
break;
}
cur_outer_mask <<= 1;
}
if (i == 4)
{
llwarns << "No path end or outer face in volume!" << llendl;
}
continue;
}
}
if (cur_mask & (LL_FACE_PROFILE_BEGIN | LL_FACE_PROFILE_END))
{
// A cut slice. Use the hollow interior if we have it.
if (old_face_mask & LL_FACE_INNER_SIDE)
{
face_mapping[face_bit] = 2;
continue;
}
// No interior, use the bottom face.
// Could figure out which of the outer faces was nearest, but that would be harder.
if (old_face_mask & LL_FACE_PATH_END)
{
face_mapping[face_bit] = 1;
continue;
}
else
{
S32 cur_outer_mask = LL_FACE_OUTER_SIDE_0;
for (i = 0; i < 4; i++)
{
if (old_face_mask & cur_outer_mask)
{
face_mapping[face_bit] = 5 + i;
break;
}
cur_outer_mask <<= 1;
}
if (i == 4)
{
llwarns << "No path end or outer face in volume!" << llendl;
}
continue;
}
}
// OK, the face that's missing is an outer face...
// Pull from the nearest adjacent outer face (there's always guaranteed to be one...
S32 cur_outer = face_bit - 5;
S32 min_dist = 5;
S32 min_outer_bit = -1;
S32 i;
for (i = 0; i < 4; i++)
{
if (old_face_mask & (LL_FACE_OUTER_SIDE_0 << i))
{
S32 dist = abs(i - cur_outer);
if (dist < min_dist)
{
min_dist = dist;
min_outer_bit = i + 5;
}
}
}
if (-1 == min_outer_bit)
{
llinfos << (LLVolume *)mVolumep << llendl;
llwarns << "Bad! No outer faces, impossible!" << llendl;
}
face_mapping[face_bit] = min_outer_bit;
}
setNumTEs(mVolumep->getNumFaces());
for (face_bit = 0; face_bit < 9; face_bit++)
{
// For each possible face type on the new shape we check to see if that
// face exists and if it does we create a texture entry that is a copy
// of one of the originals. Since the originals might not have a
// matching face, we use the face_mapping lookup table to figure out
// which face information to copy.
cur_mask = 0x1 << face_bit;
if (new_face_mask & cur_mask)
{
if (-1 == face_mapping[face_bit])
{
llwarns << "No mapping from old face to new face!" << llendl;
}
S32 te_num = face_index_from_id(cur_mask, mVolumep->getProfile().mFaces);
setTE(te_num, *(old_tes.getTexture(face_mapping[face_bit])));
}
}
#else
// build the new object
sVolumeManager->unrefVolume(mVolumep);
mVolumep = volumep;
setNumTEs(mVolumep->getNumFaces());
#endif
return TRUE;
}
