diff options
Diffstat (limited to 'indra/llprimitive/llmodel.cpp')
-rw-r--r-- | indra/llprimitive/llmodel.cpp | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index 0c313e460e..db6d00bc2c 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -178,165 +178,6 @@ void LLModel::trimVolumeFacesToSize(U32 new_count, LLVolume::face_list_t* remain } } -// Shrink group of models to fit -// on a 1x1x1 cube centered at the origin. -void LLModel::normalizeModels(std::vector<LLPointer<LLModel > > model_list) -{ - std::vector<LLPointer<LLModel > >::iterator iter = model_list.begin(); - - LLVector4a min, max; - while (iter != model_list.end() && (*iter)->mVolumeFaces.empty()) - { - iter++; - } - if (iter == model_list.end()) - { - // no models with faces - return; - } - - min = (*iter)->mVolumeFaces[0].mExtents[0]; - max = (*iter)->mVolumeFaces[0].mExtents[1]; - - // Treat models as a group - each model out of 1x1x1 cube - // needs scaling and will affect whole group scale - while (iter != model_list.end()) - { - LLPointer<LLModel> model = *iter++; - - if (model.notNull() && !model->mVolumeFaces.empty()) - { - // For all of the volume faces - // in the model, loop over - // them and see what the extents - // of the volume along each axis. - - for (U32 i = 0; i < model->mVolumeFaces.size(); ++i) - { - LLVolumeFace& face = model->mVolumeFaces[i]; - - update_min_max(min, max, face.mExtents[0]); - update_min_max(min, max, face.mExtents[1]); - - if (face.mTexCoords) - { - LLVector2& min_tc = face.mTexCoordExtents[0]; - LLVector2& max_tc = face.mTexCoordExtents[1]; - - min_tc = face.mTexCoords[0]; - max_tc = face.mTexCoords[0]; - - for (U32 j = 1; j < face.mNumVertices; ++j) - { - update_min_max(min_tc, max_tc, face.mTexCoords[j]); - } - } - else - { - face.mTexCoordExtents[0].set(0, 0); - face.mTexCoordExtents[1].set(1, 1); - } - } - } - } - - // Now that we have the extents of the model - // we can compute the offset needed to center - // the model at the origin. - - // Compute center of the model - // and make it negative to get translation - // needed to center at origin. - LLVector4a trans; - trans.setAdd(min, max); - trans.mul(-0.5f); - - // Compute the total size along all - // axes of the model. - LLVector4a size; - size.setSub(max, min); - - // Prevent division by zero. - F32 x = size[0]; - F32 y = size[1]; - F32 z = size[2]; - F32 w = size[3]; - if (fabs(x) < F_APPROXIMATELY_ZERO) - { - x = 1.0; - } - if (fabs(y) < F_APPROXIMATELY_ZERO) - { - y = 1.0; - } - if (fabs(z) < F_APPROXIMATELY_ZERO) - { - z = 1.0; - } - size.set(x, y, z, w); - - // Compute scale as reciprocal of size - LLVector4a scale; - scale.splat(1.f); - scale.div(size); - - LLVector4a inv_scale(1.f); - inv_scale.div(scale); - - iter = model_list.begin(); - // apply fixed scale and trans to all models as a single group - while (iter != model_list.end()) - { - LLPointer<LLModel> model = *iter++; - - if (model.isNull() || model->mVolumeFaces.empty()) - { - continue; - } - - for (U32 i = 0; i < model->mVolumeFaces.size(); ++i) - { - LLVolumeFace& face = model->mVolumeFaces[i]; - - // We shrink the extents so - // that they fall within - // the unit cube. - face.mExtents[0].add(trans); - face.mExtents[0].mul(scale); - - face.mExtents[1].add(trans); - face.mExtents[1].mul(scale); - - // For all the positions, we scale - // the positions to fit within the unit cube. - LLVector4a* pos = (LLVector4a*)face.mPositions; - LLVector4a* norm = (LLVector4a*)face.mNormals; - - for (U32 j = 0; j < face.mNumVertices; ++j) - { - pos[j].add(trans); - pos[j].mul(scale); - if (norm && !norm[j].equals3(LLVector4a::getZero())) - { - norm[j].mul(inv_scale); - norm[j].normalize3(); - } - } - } - - // mNormalizedScale is the scale at which - // we would need to multiply the model - // by to get the original size of the - // model instead of the normalized size. - LLVector4a normalized_scale; - normalized_scale.splat(1.f); - normalized_scale.div(scale); - model->mNormalizedScale.set(normalized_scale.getF32ptr()); - model->mNormalizedTranslation.set(trans.getF32ptr()); - model->mNormalizedTranslation *= -1.f; - } -} - // Shrink the model to fit // on a 1x1x1 cube centered at the origin. // The positions and extents |