diff options
Diffstat (limited to 'indra/llprimitive/llmodel.cpp')
| -rw-r--r-- | indra/llprimitive/llmodel.cpp | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index 805af55299..206142fdd5 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -53,7 +53,6 @@ const int MODEL_NAMES_LENGTH = sizeof(model_names) / sizeof(std::string); LLModel::LLModel(LLVolumeParams& params, F32 detail) : LLVolume(params, detail), mNormalizedScale(1,1,1), - mNormalizedTranslation(0,0,0), mPelvisOffset( 0.0f ), mStatus(NO_ERRORS), mSubmodelID(0) @@ -296,6 +295,7 @@ void LLModel::normalizeVolumeFaces() // the positions to fit within the unit cube. LLVector4a* pos = (LLVector4a*) face.mPositions; LLVector4a* norm = (LLVector4a*) face.mNormals; + LLVector4a* t = (LLVector4a*)face.mTangents; for (U32 j = 0; j < face.mNumVertices; ++j) { @@ -306,6 +306,14 @@ void LLModel::normalizeVolumeFaces() norm[j].mul(inv_scale); norm[j].normalize3(); } + + if (t) + { + F32 w = t[j].getF32ptr()[3]; + t[j].mul(inv_scale); + t[j].normalize3(); + t[j].getF32ptr()[3] = w; + } } } @@ -319,6 +327,12 @@ void LLModel::normalizeVolumeFaces() mNormalizedScale.set(normalized_scale.getF32ptr()); mNormalizedTranslation.set(trans.getF32ptr()); mNormalizedTranslation *= -1.f; + + // remember normalized scale so original dimensions can be recovered for mesh processing (i.e. tangent generation) + for (auto& face : mVolumeFaces) + { + face.mNormalizedScale = mNormalizedScale; + } } } @@ -728,10 +742,12 @@ LLSD LLModel::writeModel( LLSD::Binary verts(face.mNumVertices*3*2); LLSD::Binary tc(face.mNumVertices*2*2); LLSD::Binary normals(face.mNumVertices*3*2); + LLSD::Binary tangents(face.mNumVertices * 4 * 2); LLSD::Binary indices(face.mNumIndices*2); U32 vert_idx = 0; U32 norm_idx = 0; + //U32 tan_idx = 0; U32 tc_idx = 0; LLVector2* ftc = (LLVector2*) face.mTexCoords; @@ -784,6 +800,24 @@ LLSD LLModel::writeModel( normals[norm_idx++] = buff[1]; } } + +#if 0 // keep this code for now in case we want to support transporting tangents with mesh assets + if (face.mTangents) + { //normals + F32* tangent = face.mTangents[j].getF32ptr(); + + for (U32 k = 0; k < 4; ++k) + { //for each component + //convert to 16-bit normalized + U16 val = (U16)((tangent[k] + 1.f) * 0.5f * 65535); + U8* buff = (U8*)&val; + + //write to binary buffer + tangents[tan_idx++] = buff[0]; + tangents[tan_idx++] = buff[1]; + } + } +#endif //texcoord if (face.mTexCoords) @@ -814,6 +848,8 @@ LLSD LLModel::writeModel( //write out face data mdl[model_names[idx]][i]["PositionDomain"]["Min"] = min_pos.getValue(); mdl[model_names[idx]][i]["PositionDomain"]["Max"] = max_pos.getValue(); + mdl[model_names[idx]][i]["NormalizedScale"] = face.mNormalizedScale.getValue(); + mdl[model_names[idx]][i]["Position"] = verts; if (face.mNormals) @@ -821,6 +857,13 @@ LLSD LLModel::writeModel( mdl[model_names[idx]][i]["Normal"] = normals; } +#if 0 // keep this code for now in case we decide to transport tangents with mesh assets + if (face.mTangents) + { + mdl[model_names[idx]][i]["Tangent"] = tangents; + } +#endif + if (face.mTexCoords) { mdl[model_names[idx]][i]["TexCoord0Domain"]["Min"] = min_tc.getValue(); |