diff options
Diffstat (limited to 'indra/llprimitive/lldaeloader.cpp')
| -rw-r--r-- | indra/llprimitive/lldaeloader.cpp | 5198 |
1 files changed, 2599 insertions, 2599 deletions
diff --git a/indra/llprimitive/lldaeloader.cpp b/indra/llprimitive/lldaeloader.cpp index b3ae249951..43e2bd88d3 100644 --- a/indra/llprimitive/lldaeloader.cpp +++ b/indra/llprimitive/lldaeloader.cpp @@ -1,2599 +1,2599 @@ -/** - * @file lldaeloader.cpp - * @brief LLDAELoader class implementation - * - * $LicenseInfo:firstyear=2013&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2013, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#if LL_MSVC -#pragma warning (disable : 4263) -#pragma warning (disable : 4264) -#endif -#include "dae.h" -#include "dom/domAsset.h" -#include "dom/domBind_material.h" -#include "dom/domCOLLADA.h" -#include "dom/domConstants.h" -#include "dom/domController.h" -#include "dom/domEffect.h" -#include "dom/domGeometry.h" -#include "dom/domInstance_geometry.h" -#include "dom/domInstance_material.h" -#include "dom/domInstance_node.h" -#include "dom/domInstance_effect.h" -#include "dom/domMaterial.h" -#include "dom/domMatrix.h" -#include "dom/domNode.h" -#include "dom/domProfile_COMMON.h" -#include "dom/domRotate.h" -#include "dom/domScale.h" -#include "dom/domTranslate.h" -#include "dom/domVisual_scene.h" -#if LL_MSVC -#pragma warning (default : 4263) -#pragma warning (default : 4264) -#endif - -#include "lldaeloader.h" -#include "llsdserialize.h" -#include "lljoint.h" - -#include "glh/glh_linear.h" -#include "llmatrix4a.h" - -#include <boost/regex.hpp> -#include <boost/algorithm/string/replace.hpp> - -std::string colladaVersion[VERSIONTYPE_COUNT+1] = -{ - "1.4.0", - "1.4.1", - "Unsupported" -}; - -static const std::string lod_suffix[LLModel::NUM_LODS] = -{ - "_LOD0", - "_LOD1", - "_LOD2", - "", - "_PHYS", -}; - -const U32 LIMIT_MATERIALS_OUTPUT = 12; - -bool get_dom_sources(const domInputLocalOffset_Array& inputs, S32& pos_offset, S32& tc_offset, S32& norm_offset, S32 &idx_stride, - domSource* &pos_source, domSource* &tc_source, domSource* &norm_source) -{ - idx_stride = 0; - - for (U32 j = 0; j < inputs.getCount(); ++j) - { - idx_stride = llmax((S32) inputs[j]->getOffset(), idx_stride); - - if (strcmp(COMMON_PROFILE_INPUT_VERTEX, inputs[j]->getSemantic()) == 0) - { //found vertex array - const domURIFragmentType& uri = inputs[j]->getSource(); - daeElementRef elem = uri.getElement(); - domVertices* vertices = (domVertices*) elem.cast(); - if ( !vertices ) - { - return false; - } - - domInputLocal_Array& v_inp = vertices->getInput_array(); - - - for (U32 k = 0; k < v_inp.getCount(); ++k) - { - if (strcmp(COMMON_PROFILE_INPUT_POSITION, v_inp[k]->getSemantic()) == 0) - { - pos_offset = inputs[j]->getOffset(); - - const domURIFragmentType& uri = v_inp[k]->getSource(); - daeElementRef elem = uri.getElement(); - pos_source = (domSource*) elem.cast(); - } - - if (strcmp(COMMON_PROFILE_INPUT_NORMAL, v_inp[k]->getSemantic()) == 0) - { - norm_offset = inputs[j]->getOffset(); - - const domURIFragmentType& uri = v_inp[k]->getSource(); - daeElementRef elem = uri.getElement(); - norm_source = (domSource*) elem.cast(); - } - } - } - - if (strcmp(COMMON_PROFILE_INPUT_NORMAL, inputs[j]->getSemantic()) == 0) - { - //found normal array for this triangle list - norm_offset = inputs[j]->getOffset(); - const domURIFragmentType& uri = inputs[j]->getSource(); - daeElementRef elem = uri.getElement(); - norm_source = (domSource*) elem.cast(); - } - else if (strcmp(COMMON_PROFILE_INPUT_TEXCOORD, inputs[j]->getSemantic()) == 0) - { //found texCoords - tc_offset = inputs[j]->getOffset(); - const domURIFragmentType& uri = inputs[j]->getSource(); - daeElementRef elem = uri.getElement(); - tc_source = (domSource*) elem.cast(); - } - } - - idx_stride += 1; - - return true; -} - -LLModel::EModelStatus load_face_from_dom_triangles( - std::vector<LLVolumeFace>& face_list, - std::vector<std::string>& materials, - domTrianglesRef& tri, - LLSD& log_msg) -{ - LLVolumeFace face; - std::vector<LLVolumeFace::VertexData> verts; - std::vector<U16> indices; - - const domInputLocalOffset_Array& inputs = tri->getInput_array(); - - S32 pos_offset = -1; - S32 tc_offset = -1; - S32 norm_offset = -1; - - domSource* pos_source = NULL; - domSource* tc_source = NULL; - domSource* norm_source = NULL; - - S32 idx_stride = 0; - - if ( !get_dom_sources(inputs, pos_offset, tc_offset, norm_offset, idx_stride, pos_source, tc_source, norm_source)) - { - LLSD args; - args["Message"] = "ParsingErrorBadElement"; - log_msg.append(args); - return LLModel::BAD_ELEMENT; - } - - if (!pos_source || !pos_source->getFloat_array()) - { - LL_WARNS() << "Unable to process mesh without position data; invalid model; invalid model." << LL_ENDL; - LLSD args; - args["Message"] = "ParsingErrorPositionInvalidModel"; - log_msg.append(args); - return LLModel::BAD_ELEMENT; - } - - domPRef p = tri->getP(); - domListOfUInts& idx = p->getValue(); - - domListOfFloats dummy ; - domListOfFloats& v = pos_source ? pos_source->getFloat_array()->getValue() : dummy ; - domListOfFloats& tc = tc_source ? tc_source->getFloat_array()->getValue() : dummy ; - domListOfFloats& n = norm_source ? norm_source->getFloat_array()->getValue() : dummy ; - - if (pos_source) - { - if(v.getCount() == 0) - { - return LLModel::BAD_ELEMENT; - } - // VFExtents change - face.mExtents[0].set(v[0], v[1], v[2]); - face.mExtents[1].set(v[0], v[1], v[2]); - } - - LLVolumeFace::VertexMapData::PointMap point_map; - - if (idx_stride <= 0 - || (pos_source && pos_offset >= idx_stride) - || (tc_source && tc_offset >= idx_stride) - || (norm_source && norm_offset >= idx_stride)) - { - // Looks like these offsets should fit inside idx_stride - // Might be good idea to also check idx.getCount()%idx_stride != 0 - LL_WARNS() << "Invalid pos_offset " << pos_offset << ", tc_offset " << tc_offset << " or norm_offset " << norm_offset << LL_ENDL; - return LLModel::BAD_ELEMENT; - } - - for (U32 i = 0; i < idx.getCount(); i += idx_stride) - { - LLVolumeFace::VertexData cv; - if (pos_source) - { - cv.setPosition(LLVector4a(v[idx[i+pos_offset]*3+0], - v[idx[i+pos_offset]*3+1], - v[idx[i+pos_offset]*3+2])); - } - - if (tc_source) - { - cv.mTexCoord.setVec(tc[idx[i+tc_offset]*2+0], - tc[idx[i+tc_offset]*2+1]); - } - - if (norm_source) - { - cv.setNormal(LLVector4a(n[idx[i+norm_offset]*3+0], - n[idx[i+norm_offset]*3+1], - n[idx[i+norm_offset]*3+2])); - } - - bool found = false; - - LLVolumeFace::VertexMapData::PointMap::iterator point_iter; - point_iter = point_map.find(LLVector3(cv.getPosition().getF32ptr())); - - if (point_iter != point_map.end()) - { - for (U32 j = 0; j < point_iter->second.size(); ++j) - { - // We have a matching loc - // - if ((point_iter->second)[j] == cv) - { - U16 shared_index = (point_iter->second)[j].mIndex; - - // Don't share verts within the same tri, degenerate - // - U32 indx_size = indices.size(); - U32 verts_new_tri = indx_size % 3; - if ((verts_new_tri < 1 || indices[indx_size - 1] != shared_index) - && (verts_new_tri < 2 || indices[indx_size - 2] != shared_index)) - { - found = true; - indices.push_back(shared_index); - } - break; - } - } - } - - if (!found) - { - // VFExtents change - update_min_max(face.mExtents[0], face.mExtents[1], cv.getPosition()); - verts.push_back(cv); - if (verts.size() >= 65535) - { - //llerrs << "Attempted to write model exceeding 16-bit index buffer limitation." << LL_ENDL; - return LLModel::VERTEX_NUMBER_OVERFLOW ; - } - U16 index = (U16) (verts.size()-1); - indices.push_back(index); - - LLVolumeFace::VertexMapData d; - d.setPosition(cv.getPosition()); - d.mTexCoord = cv.mTexCoord; - d.setNormal(cv.getNormal()); - d.mIndex = index; - if (point_iter != point_map.end()) - { - point_iter->second.push_back(d); - } - else - { - point_map[LLVector3(d.getPosition().getF32ptr())].push_back(d); - } - } - - if (indices.size()%3 == 0 && verts.size() >= 65532) - { - std::string material; - - if (tri->getMaterial()) - { - material = std::string(tri->getMaterial()); - } - - materials.push_back(material); - face_list.push_back(face); - face_list.rbegin()->fillFromLegacyData(verts, indices); - LLVolumeFace& new_face = *face_list.rbegin(); - if (!norm_source) - { - //ll_aligned_free_16(new_face.mNormals); - new_face.mNormals = NULL; - } - - if (!tc_source) - { - //ll_aligned_free_16(new_face.mTexCoords); - new_face.mTexCoords = NULL; - } - - face = LLVolumeFace(); - // VFExtents change - face.mExtents[0].set(v[0], v[1], v[2]); - face.mExtents[1].set(v[0], v[1], v[2]); - - verts.clear(); - indices.clear(); - point_map.clear(); - } - } - - if (!verts.empty()) - { - std::string material; - - if (tri->getMaterial()) - { - material = std::string(tri->getMaterial()); - } - - materials.push_back(material); - face_list.push_back(face); - - face_list.rbegin()->fillFromLegacyData(verts, indices); - LLVolumeFace& new_face = *face_list.rbegin(); - if (!norm_source) - { - //ll_aligned_free_16(new_face.mNormals); - new_face.mNormals = NULL; - } - - if (!tc_source) - { - //ll_aligned_free_16(new_face.mTexCoords); - new_face.mTexCoords = NULL; - } - } - - return LLModel::NO_ERRORS ; -} - -LLModel::EModelStatus load_face_from_dom_polylist( - std::vector<LLVolumeFace>& face_list, - std::vector<std::string>& materials, - domPolylistRef& poly, - LLSD& log_msg) -{ - domPRef p = poly->getP(); - domListOfUInts& idx = p->getValue(); - - if (idx.getCount() == 0) - { - return LLModel::NO_ERRORS ; - } - - const domInputLocalOffset_Array& inputs = poly->getInput_array(); - - - domListOfUInts& vcount = poly->getVcount()->getValue(); - - S32 pos_offset = -1; - S32 tc_offset = -1; - S32 norm_offset = -1; - - domSource* pos_source = NULL; - domSource* tc_source = NULL; - domSource* norm_source = NULL; - - S32 idx_stride = 0; - - if (!get_dom_sources(inputs, pos_offset, tc_offset, norm_offset, idx_stride, pos_source, tc_source, norm_source)) - { - LL_WARNS() << "Bad element." << LL_ENDL; - LLSD args; - args["Message"] = "ParsingErrorBadElement"; - log_msg.append(args); - return LLModel::BAD_ELEMENT; - } - - LLVolumeFace face; - - std::vector<U16> indices; - std::vector<LLVolumeFace::VertexData> verts; - - domListOfFloats v; - domListOfFloats tc; - domListOfFloats n; - - if (pos_source) - { - v = pos_source->getFloat_array()->getValue(); - // VFExtents change - face.mExtents[0].set(v[0], v[1], v[2]); - face.mExtents[1].set(v[0], v[1], v[2]); - } - - if (tc_source) - { - tc = tc_source->getFloat_array()->getValue(); - } - - if (norm_source) - { - n = norm_source->getFloat_array()->getValue(); - } - - LLVolumeFace::VertexMapData::PointMap point_map; - - U32 cur_idx = 0; - bool log_tc_msg = true; - for (U32 i = 0; i < vcount.getCount(); ++i) - { //for each polygon - U32 first_index = 0; - U32 last_index = 0; - for (U32 j = 0; j < vcount[i]; ++j) - { //for each vertex - - LLVolumeFace::VertexData cv; - - if (pos_source) - { - cv.getPosition().set(v[idx[cur_idx+pos_offset]*3+0], - v[idx[cur_idx+pos_offset]*3+1], - v[idx[cur_idx+pos_offset]*3+2]); - if (!cv.getPosition().isFinite3()) - { - LL_WARNS() << "Found NaN while loading position data from DAE-Model, invalid model." << LL_ENDL; - LLSD args; - args["Message"] = "PositionNaN"; - log_msg.append(args); - return LLModel::BAD_ELEMENT; - } - } - - if (tc_source) - { - U64 idx_x = idx[cur_idx + tc_offset] * 2 + 0; - U64 idx_y = idx[cur_idx + tc_offset] * 2 + 1; - - if (idx_y < tc.getCount()) - { - cv.mTexCoord.setVec(tc[idx_x], tc[idx_y]); - } - else if (log_tc_msg) - { - log_tc_msg = false; - LL_WARNS() << "Texture coordinates data is not complete." << LL_ENDL; - LLSD args; - args["Message"] = "IncompleteTC"; - log_msg.append(args); - } - } - - if (norm_source) - { - cv.getNormal().set(n[idx[cur_idx+norm_offset]*3+0], - n[idx[cur_idx+norm_offset]*3+1], - n[idx[cur_idx+norm_offset]*3+2]); - - if (!cv.getNormal().isFinite3()) - { - LL_WARNS() << "Found NaN while loading normals from DAE-Model, invalid model." << LL_ENDL; - LLSD args; - args["Message"] = "NormalsNaN"; - log_msg.append(args); - - return LLModel::BAD_ELEMENT; - } - } - - cur_idx += idx_stride; - - bool found = false; - - LLVolumeFace::VertexMapData::PointMap::iterator point_iter; - LLVector3 pos3(cv.getPosition().getF32ptr()); - point_iter = point_map.find(pos3); - - if (point_iter != point_map.end()) - { - for (U32 k = 0; k < point_iter->second.size(); ++k) - { - if ((point_iter->second)[k] == cv) - { - found = true; - U32 index = (point_iter->second)[k].mIndex; - if (j == 0) - { - first_index = index; - } - else if (j == 1) - { - last_index = index; - } - else - { - // if these are the same, we have a very, very skinny triangle (coincident verts on one or more edges) - // - llassert((first_index != last_index) && (last_index != index) && (first_index != index)); - indices.push_back(first_index); - indices.push_back(last_index); - indices.push_back(index); - last_index = index; - } - - break; - } - } - } - - if (!found) - { - // VFExtents change - update_min_max(face.mExtents[0], face.mExtents[1], cv.getPosition()); - verts.push_back(cv); - if (verts.size() >= 65535) - { - //llerrs << "Attempted to write model exceeding 16-bit index buffer limitation." << LL_ENDL; - return LLModel::VERTEX_NUMBER_OVERFLOW ; - } - U16 index = (U16) (verts.size()-1); - - if (j == 0) - { - first_index = index; - } - else if (j == 1) - { - last_index = index; - } - else - { - // detect very skinny degenerate triangles with collapsed edges - // - llassert((first_index != last_index) && (last_index != index) && (first_index != index)); - indices.push_back(first_index); - indices.push_back(last_index); - indices.push_back(index); - last_index = index; - } - - LLVolumeFace::VertexMapData d; - d.setPosition(cv.getPosition()); - d.mTexCoord = cv.mTexCoord; - d.setNormal(cv.getNormal()); - d.mIndex = index; - if (point_iter != point_map.end()) - { - point_iter->second.push_back(d); - } - else - { - point_map[pos3].push_back(d); - } - } - - if (indices.size()%3 == 0 && indices.size() >= 65532) - { - std::string material; - - if (poly->getMaterial()) - { - material = std::string(poly->getMaterial()); - } - - materials.push_back(material); - face_list.push_back(face); - face_list.rbegin()->fillFromLegacyData(verts, indices); - LLVolumeFace& new_face = *face_list.rbegin(); - if (!norm_source) - { - //ll_aligned_free_16(new_face.mNormals); - new_face.mNormals = NULL; - } - - if (!tc_source) - { - //ll_aligned_free_16(new_face.mTexCoords); - new_face.mTexCoords = NULL; - } - - face = LLVolumeFace(); - // VFExtents change - face.mExtents[0].set(v[0], v[1], v[2]); - face.mExtents[1].set(v[0], v[1], v[2]); - verts.clear(); - indices.clear(); - point_map.clear(); - } - } - } - - if (!verts.empty()) - { - std::string material; - - if (poly->getMaterial()) - { - material = std::string(poly->getMaterial()); - } - - materials.push_back(material); - face_list.push_back(face); - face_list.rbegin()->fillFromLegacyData(verts, indices); - - LLVolumeFace& new_face = *face_list.rbegin(); - if (!norm_source) - { - //ll_aligned_free_16(new_face.mNormals); - new_face.mNormals = NULL; - } - - if (!tc_source) - { - //ll_aligned_free_16(new_face.mTexCoords); - new_face.mTexCoords = NULL; - } - } - - return LLModel::NO_ERRORS ; -} - -LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& face_list, std::vector<std::string>& materials, domPolygonsRef& poly) -{ - LLVolumeFace face; - std::vector<U16> indices; - std::vector<LLVolumeFace::VertexData> verts; - - const domInputLocalOffset_Array& inputs = poly->getInput_array(); - - S32 v_offset = -1; - S32 n_offset = -1; - S32 t_offset = -1; - - domListOfFloats* v = NULL; - domListOfFloats* n = NULL; - domListOfFloats* t = NULL; - - U32 stride = 0; - for (U32 i = 0; i < inputs.getCount(); ++i) - { - stride = llmax((U32) inputs[i]->getOffset()+1, stride); - - if (strcmp(COMMON_PROFILE_INPUT_VERTEX, inputs[i]->getSemantic()) == 0) - { //found vertex array - v_offset = inputs[i]->getOffset(); - - const domURIFragmentType& uri = inputs[i]->getSource(); - daeElementRef elem = uri.getElement(); - domVertices* vertices = (domVertices*) elem.cast(); - if (!vertices) - { - return LLModel::BAD_ELEMENT; - } - domInputLocal_Array& v_inp = vertices->getInput_array(); - - for (U32 k = 0; k < v_inp.getCount(); ++k) - { - if (strcmp(COMMON_PROFILE_INPUT_POSITION, v_inp[k]->getSemantic()) == 0) - { - const domURIFragmentType& uri = v_inp[k]->getSource(); - daeElementRef elem = uri.getElement(); - domSource* src = (domSource*) elem.cast(); - if (!src) - { - return LLModel::BAD_ELEMENT; - } - v = &(src->getFloat_array()->getValue()); - } - } - } - else if (strcmp(COMMON_PROFILE_INPUT_NORMAL, inputs[i]->getSemantic()) == 0) - { - n_offset = inputs[i]->getOffset(); - //found normal array for this triangle list - const domURIFragmentType& uri = inputs[i]->getSource(); - daeElementRef elem = uri.getElement(); - domSource* src = (domSource*) elem.cast(); - if (!src) - { - return LLModel::BAD_ELEMENT; - } - n = &(src->getFloat_array()->getValue()); - } - else if (strcmp(COMMON_PROFILE_INPUT_TEXCOORD, inputs[i]->getSemantic()) == 0 && inputs[i]->getSet() == 0) - { //found texCoords - t_offset = inputs[i]->getOffset(); - const domURIFragmentType& uri = inputs[i]->getSource(); - daeElementRef elem = uri.getElement(); - domSource* src = (domSource*) elem.cast(); - if (!src) - { - return LLModel::BAD_ELEMENT; - } - t = &(src->getFloat_array()->getValue()); - } - } - - domP_Array& ps = poly->getP_array(); - - //make a triangle list in <verts> - for (U32 i = 0; i < ps.getCount(); ++i) - { //for each polygon - domListOfUInts& idx = ps[i]->getValue(); - for (U32 j = 0; j < idx.getCount()/stride; ++j) - { //for each vertex - if (j > 2) - { - U32 size = verts.size(); - LLVolumeFace::VertexData v0 = verts[size-3]; - LLVolumeFace::VertexData v1 = verts[size-1]; - - verts.push_back(v0); - verts.push_back(v1); - } - - LLVolumeFace::VertexData vert; - - - if (v) - { - U32 v_idx = idx[j*stride+v_offset]*3; - v_idx = llclamp(v_idx, (U32) 0, (U32) v->getCount()); - vert.getPosition().set(v->get(v_idx), - v->get(v_idx+1), - v->get(v_idx+2)); - } - - //bounds check n and t lookups because some FBX to DAE converters - //use negative indices and empty arrays to indicate data does not exist - //for a particular channel - if (n && n->getCount() > 0) - { - U32 n_idx = idx[j*stride+n_offset]*3; - n_idx = llclamp(n_idx, (U32) 0, (U32) n->getCount()); - vert.getNormal().set(n->get(n_idx), - n->get(n_idx+1), - n->get(n_idx+2)); - } - else - { - vert.getNormal().clear(); - } - - - if (t && t->getCount() > 0) - { - U32 t_idx = idx[j*stride+t_offset]*2; - t_idx = llclamp(t_idx, (U32) 0, (U32) t->getCount()); - vert.mTexCoord.setVec(t->get(t_idx), - t->get(t_idx+1)); - } - else - { - vert.mTexCoord.clear(); - } - - - verts.push_back(vert); - } - } - - if (verts.empty()) - { - return LLModel::NO_ERRORS; - } - // VFExtents change - face.mExtents[0] = verts[0].getPosition(); - face.mExtents[1] = verts[0].getPosition(); - - //create a map of unique vertices to indices - std::map<LLVolumeFace::VertexData, U32> vert_idx; - - U32 cur_idx = 0; - for (U32 i = 0; i < verts.size(); ++i) - { - std::map<LLVolumeFace::VertexData, U32>::iterator iter = vert_idx.find(verts[i]); - if (iter == vert_idx.end()) - { - vert_idx[verts[i]] = cur_idx++; - } - } - - // Viewer can only fit U16 vertices, shouldn't we do some checks here and return overflow if result has more? - llassert(vert_idx.size() < U16_MAX); - - //build vertex array from map - std::vector<LLVolumeFace::VertexData> new_verts; - new_verts.resize(vert_idx.size()); - - for (std::map<LLVolumeFace::VertexData, U32>::iterator iter = vert_idx.begin(); iter != vert_idx.end(); ++iter) - { - new_verts[iter->second] = iter->first; - // VFExtents change - update_min_max(face.mExtents[0], face.mExtents[1], iter->first.getPosition()); - } - - //build index array from map - indices.resize(verts.size()); - - for (U32 i = 0; i < verts.size(); ++i) - { - indices[i] = vert_idx[verts[i]]; - if (i % 3 != 0) // assumes GL_TRIANGLES, compare 0-1, 1-2, 3-4, 4-5 but not 2-3 or 5-6 - { - // A faulty degenerate triangle detection (triangle with 0 area), - // probably should be a warning and not an assert - llassert(!i || (indices[i-1] != indices[i])); - } - } - - // DEBUG just build an expanded triangle list - /*for (U32 i = 0; i < verts.size(); ++i) - { - indices.push_back((U16) i); - update_min_max(face.mExtents[0], face.mExtents[1], verts[i].getPosition()); - }*/ - - if (!new_verts.empty()) - { - std::string material; - - if (poly->getMaterial()) - { - material = std::string(poly->getMaterial()); - } - - materials.push_back(material); - face_list.push_back(face); - face_list.rbegin()->fillFromLegacyData(new_verts, indices); - - LLVolumeFace& new_face = *face_list.rbegin(); - if (!n) - { - //ll_aligned_free_16(new_face.mNormals); - new_face.mNormals = NULL; - } - - if (!t) - { - //ll_aligned_free_16(new_face.mTexCoords); - new_face.mTexCoords = NULL; - } - } - - return LLModel::NO_ERRORS ; -} - -//----------------------------------------------------------------------------- -// LLDAELoader -//----------------------------------------------------------------------------- -LLDAELoader::LLDAELoader( - std::string filename, - S32 lod, - load_callback_t load_cb, - joint_lookup_func_t joint_lookup_func, - texture_load_func_t texture_load_func, - state_callback_t state_cb, - void* opaque_userdata, - JointTransformMap& jointTransformMap, - JointNameSet& jointsFromNodes, - std::map<std::string, std::string>& jointAliasMap, - U32 maxJointsPerMesh, - U32 modelLimit, - bool preprocess) -: LLModelLoader( - filename, - lod, - load_cb, - joint_lookup_func, - texture_load_func, - state_cb, - opaque_userdata, - jointTransformMap, - jointsFromNodes, - jointAliasMap, - maxJointsPerMesh), - mGeneratedModelLimit(modelLimit), - mPreprocessDAE(preprocess) -{ -} - -LLDAELoader::~LLDAELoader() -{ -} - -struct ModelSort -{ - bool operator()(const LLPointer< LLModel >& lhs, const LLPointer< LLModel >& rhs) - { - if (lhs->mSubmodelID < rhs->mSubmodelID) - { - return true; - } - return LLStringUtil::compareInsensitive(lhs->mLabel, rhs->mLabel) < 0; - } -}; - -bool LLDAELoader::OpenFile(const std::string& filename) -{ - setLoadState( READING_FILE ); - - //no suitable slm exists, load from the .dae file - - // Collada expects file and folder names to be escaped - // Note: cdom::nativePathToUri() - const char* allowed = - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "abcdefghijklmnopqrstuvwxyz" - "0123456789" - "%-._~:\"|\\/"; - std::string uri_filename = LLURI::escape(filename, allowed); - - DAE dae; - domCOLLADA* dom; - if (mPreprocessDAE) - { - dom = dae.openFromMemory(uri_filename, preprocessDAE(filename).c_str()); - } - else - { - LL_INFOS() << "Skipping dae preprocessing" << LL_ENDL; - dom = dae.open(uri_filename); - } - - if (!dom) - { - LL_INFOS() <<" Error with dae - traditionally indicates a corrupt file."<<LL_ENDL; - LLSD args; - args["Message"] = "ParsingErrorCorrupt"; - mWarningsArray.append(args); - setLoadState( ERROR_PARSING ); - return false; - } - //Dom version - daeString domVersion = dae.getDomVersion(); - std::string sldom(domVersion); - LL_INFOS()<<"Collada Importer Version: "<<sldom<<LL_ENDL; - //Dae version - domVersionType docVersion = dom->getVersion(); - //0=1.4 - //1=1.4.1 - //2=Currently unsupported, however may work - if (docVersion > 1 ) - { - docVersion = VERSIONTYPE_COUNT; - } - LL_INFOS()<<"Dae version "<<colladaVersion[docVersion]<<LL_ENDL; - - - daeDatabase* db = dae.getDatabase(); - - daeInt count = db->getElementCount(NULL, COLLADA_TYPE_MESH); - - daeDocument* doc = dae.getDoc(uri_filename); - if (!doc) - { - LL_WARNS() << "can't find internal doc" << LL_ENDL; - LLSD args; - args["Message"] = "ParsingErrorNoDoc"; - mWarningsArray.append(args); - return false; - } - - daeElement* root = doc->getDomRoot(); - if (!root) - { - LL_WARNS() << "document has no root" << LL_ENDL; - LLSD args; - args["Message"] = "ParsingErrorNoRoot"; - mWarningsArray.append(args); - return false; - } - - //Verify some basic properties of the dae - //1. Basic validity check on controller - U32 controllerCount = (int) db->getElementCount( NULL, "controller" ); - bool result = false; - for ( int i=0; i<controllerCount; ++i ) - { - domController* pController = NULL; - db->getElement( (daeElement**) &pController, i , NULL, "controller" ); - result = verifyController( pController ); - if (!result) - { - LL_INFOS() << "Could not verify controller" << LL_ENDL; - LLSD args; - args["Message"] = "ParsingErrorBadElement"; - mWarningsArray.append(args); - setLoadState( ERROR_PARSING ); - return true; - } - } - - - //get unit scale - mTransform.setIdentity(); - - domAsset::domUnit* unit = daeSafeCast<domAsset::domUnit>(root->getDescendant(daeElement::matchType(domAsset::domUnit::ID()))); - - if (unit) - { - F32 meter = unit->getMeter(); - mTransform.mMatrix[0][0] = meter; - mTransform.mMatrix[1][1] = meter; - mTransform.mMatrix[2][2] = meter; - } - - //get up axis rotation - LLMatrix4 rotation; - - domUpAxisType up = UPAXISTYPE_Y_UP; // default is Y_UP - domAsset::domUp_axis* up_axis = - daeSafeCast<domAsset::domUp_axis>(root->getDescendant(daeElement::matchType(domAsset::domUp_axis::ID()))); - - if (up_axis) - { - up = up_axis->getValue(); - } - - if (up == UPAXISTYPE_X_UP) - { - rotation.initRotation(0.0f, 90.0f * DEG_TO_RAD, 0.0f); - } - else if (up == UPAXISTYPE_Y_UP) - { - rotation.initRotation(90.0f * DEG_TO_RAD, 0.0f, 0.0f); - } - - rotation *= mTransform; - mTransform = rotation; - - mTransform.condition(); - - U32 submodel_limit = count > 0 ? mGeneratedModelLimit/count : 0; - for (daeInt idx = 0; idx < count; ++idx) - { //build map of domEntities to LLModel - domMesh* mesh = NULL; - db->getElement((daeElement**) &mesh, idx, NULL, COLLADA_TYPE_MESH); - - if (mesh) - { - - std::vector<LLModel*> models; - - loadModelsFromDomMesh(mesh, models, submodel_limit); - - std::vector<LLModel*>::iterator i; - i = models.begin(); - while (i != models.end()) - { - LLModel* mdl = *i; - if(mdl->getStatus() != LLModel::NO_ERRORS) - { - setLoadState(ERROR_MODEL + mdl->getStatus()) ; - return false; //abort - } - - if (mdl && validate_model(mdl)) - { - mModelList.push_back(mdl); - mModelsMap[mesh].push_back(mdl); - } - i++; - } - } - } - - std::sort(mModelList.begin(), mModelList.end(), ModelSort()); - - model_list::iterator model_iter = mModelList.begin(); - while (model_iter != mModelList.end()) - { - LLModel* mdl = *model_iter; - U32 material_count = mdl->mMaterialList.size(); - LL_INFOS() << "Importing " << mdl->mLabel << " model with " << material_count << " material references" << LL_ENDL; - std::vector<std::string>::iterator mat_iter = mdl->mMaterialList.begin(); - std::vector<std::string>::iterator end_iter = material_count > LIMIT_MATERIALS_OUTPUT - ? mat_iter + LIMIT_MATERIALS_OUTPUT - : mdl->mMaterialList.end(); - while (mat_iter != end_iter) - { - LL_INFOS() << mdl->mLabel << " references " << (*mat_iter) << LL_ENDL; - mat_iter++; - } - model_iter++; - } - - count = db->getElementCount(NULL, COLLADA_TYPE_SKIN); - for (daeInt idx = 0; idx < count; ++idx) - { //add skinned meshes as instances - domSkin* skin = NULL; - db->getElement((daeElement**) &skin, idx, NULL, COLLADA_TYPE_SKIN); - - if (skin) - { - domGeometry* geom = daeSafeCast<domGeometry>(skin->getSource().getElement()); - - if (geom) - { - domMesh* mesh = geom->getMesh(); - if (mesh) - { - std::vector< LLPointer< LLModel > >::iterator i = mModelsMap[mesh].begin(); - while (i != mModelsMap[mesh].end()) - { - LLPointer<LLModel> mdl = *i; - LLDAELoader::processDomModel(mdl, &dae, root, mesh, skin); - i++; - } - } - } - } - } - - LL_INFOS()<< "Collada skins processed: " << count <<LL_ENDL; - - daeElement* scene = root->getDescendant("visual_scene"); - - if (!scene) - { - LL_WARNS() << "document has no visual_scene" << LL_ENDL; - LLSD args; - args["Message"] = "ParsingErrorNoScene"; - mWarningsArray.append(args); - setLoadState( ERROR_PARSING ); - return true; - } - - setLoadState( DONE ); - - bool badElement = false; - - processElement( scene, badElement, &dae); - - if ( badElement ) - { - LL_INFOS()<<"Scene could not be parsed"<<LL_ENDL; - LLSD args; - args["Message"] = "ParsingErrorCantParseScene"; - mWarningsArray.append(args); - setLoadState( ERROR_PARSING ); - } - - return true; -} - -std::string LLDAELoader::preprocessDAE(std::string filename) -{ - // Open a DAE file for some preprocessing (like removing space characters in IDs), see MAINT-5678 - llifstream inFile; - inFile.open(filename.c_str(), std::ios_base::in); - std::stringstream strStream; - strStream << inFile.rdbuf(); - std::string buffer = strStream.str(); - - LL_INFOS() << "Preprocessing dae file to remove spaces from the names, ids, etc." << LL_ENDL; - - try - { - boost::regex re("\"[\\w\\.@#$-]*(\\s[\\w\\.@#$-]*)+\""); - boost::sregex_iterator next(buffer.begin(), buffer.end(), re); - boost::sregex_iterator end; - while (next != end) - { - boost::smatch match = *next; - std::string s = match.str(); - LL_INFOS() << s << " found" << LL_ENDL; - boost::replace_all(s, " ", "_"); - LL_INFOS() << "Replacing with " << s << LL_ENDL; - boost::replace_all(buffer, match.str(), s); - next++; - } - } - catch (boost::regex_error &) - { - LL_INFOS() << "Regex error" << LL_ENDL; - } - - return buffer; -} - -void LLDAELoader::processDomModel(LLModel* model, DAE* dae, daeElement* root, domMesh* mesh, domSkin* skin) -{ - llassert(model && dae && mesh && skin); - - if (model) - { - LLVector3 mesh_scale_vector; - LLVector3 mesh_translation_vector; - model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector); - - LLMatrix4 normalized_transformation; - normalized_transformation.setTranslation(mesh_translation_vector); - - LLMatrix4 mesh_scale; - mesh_scale.initScale(mesh_scale_vector); - mesh_scale *= normalized_transformation; - normalized_transformation = mesh_scale; - - glh::matrix4f inv_mat((F32*) normalized_transformation.mMatrix); - inv_mat = inv_mat.inverse(); - LLMatrix4 inverse_normalized_transformation(inv_mat.m); - - domSkin::domBind_shape_matrix* bind_mat = skin->getBind_shape_matrix(); - - if (bind_mat) - { //get bind shape matrix - domFloat4x4& dom_value = bind_mat->getValue(); - - LLMeshSkinInfo& skin_info = model->mSkinInfo; - - LLMatrix4 mat; - for (int i = 0; i < 4; i++) - { - for(int j = 0; j < 4; j++) - { - mat.mMatrix[i][j] = dom_value[i + j*4]; - } - } - - skin_info.mBindShapeMatrix.loadu(mat); - - LLMatrix4a trans(normalized_transformation); - matMul(trans, skin_info.mBindShapeMatrix, skin_info.mBindShapeMatrix); - } - - - //Some collada setup for accessing the skeleton - U32 skeleton_count = dae->getDatabase()->getElementCount( NULL, "skeleton" ); - std::vector<domInstance_controller::domSkeleton*> skeletons; - for (S32 i=0; i<skeleton_count; i++) - { - daeElement* pElement = 0; - dae->getDatabase()->getElement( &pElement, i, 0, "skeleton" ); - - //Try to get at the skeletal instance controller - domInstance_controller::domSkeleton* pSkeleton = daeSafeCast<domInstance_controller::domSkeleton>( pElement ); - daeElement* pSkeletonRootNode = NULL; - if (pSkeleton) - { - pSkeletonRootNode = pSkeleton->getValue().getElement(); - } - if (pSkeleton && pSkeletonRootNode) - { - skeletons.push_back(pSkeleton); - } - } - bool missingSkeletonOrScene = false; - - //If no skeleton, do a breadth-first search to get at specific joints - if ( skeletons.size() == 0 ) - { - daeElement* pScene = root->getDescendant("visual_scene"); - if ( !pScene ) - { - LL_WARNS()<<"No visual scene - unable to parse bone offsets "<<LL_ENDL; - missingSkeletonOrScene = true; - } - else - { - //Get the children at this level - daeTArray< daeSmartRef<daeElement> > children = pScene->getChildren(); - S32 childCount = children.getCount(); - - //Process any children that are joints - //Not all children are joints, some could be ambient lights, cameras, geometry etc.. - for (S32 i = 0; i < childCount; ++i) - { - domNode* pNode = daeSafeCast<domNode>(children[i]); - if (pNode) - { - processJointNode( pNode, mJointList ); - } - } - } - } - else - //Has one or more skeletons - for (std::vector<domInstance_controller::domSkeleton*>::iterator skel_it = skeletons.begin(); - skel_it != skeletons.end(); ++skel_it) - { - domInstance_controller::domSkeleton* pSkeleton = *skel_it; - //Get the root node of the skeleton - daeElement* pSkeletonRootNode = pSkeleton->getValue().getElement(); - if ( pSkeletonRootNode ) - { - //Once we have the root node - start acccessing it's joint components - const int jointCnt = mJointMap.size(); - JointMap :: const_iterator jointIt = mJointMap.begin(); - - //Loop over all the possible joints within the .dae - using the allowed joint list in the ctor. - for ( int i=0; i<jointCnt; ++i, ++jointIt ) - { - //Build a joint for the resolver to work with - char str[64]={0}; - sprintf(str,"./%s",(*jointIt).first.c_str() ); - //LL_WARNS()<<"Joint "<< str <<LL_ENDL; - - //Setup the resolver - daeSIDResolver resolver( pSkeletonRootNode, str ); - - //Look for the joint - domNode* pJoint = daeSafeCast<domNode>( resolver.getElement() ); - if ( pJoint ) - { - // FIXME this has a lot of overlap with processJointNode(), would be nice to refactor. - - //Pull out the translate id and store it in the jointTranslations map - daeSIDResolver jointResolverA( pJoint, "./translate" ); - domTranslate* pTranslateA = daeSafeCast<domTranslate>( jointResolverA.getElement() ); - daeSIDResolver jointResolverB( pJoint, "./location" ); - domTranslate* pTranslateB = daeSafeCast<domTranslate>( jointResolverB.getElement() ); - - LLMatrix4 workingTransform; - - //Translation via SID - if ( pTranslateA ) - { - extractTranslation( pTranslateA, workingTransform ); - } - else - { - if ( pTranslateB ) - { - extractTranslation( pTranslateB, workingTransform ); - } - else - { - //Translation via child from element - daeElement* pTranslateElement = getChildFromElement( pJoint, "translate" ); - if ( pTranslateElement && pTranslateElement->typeID() != domTranslate::ID() ) - { - LL_WARNS()<< "The found element is not a translate node" <<LL_ENDL; - missingSkeletonOrScene = true; - } - else - if ( pTranslateElement ) - { - extractTranslationViaElement( pTranslateElement, workingTransform ); - } - else - { - extractTranslationViaSID( pJoint, workingTransform ); - } - - } - } - - //Store the joint transform w/respect to its name. - mJointList[(*jointIt).second.c_str()] = workingTransform; - } - } - - //If anything failed in regards to extracting the skeleton, joints or translation id, - //mention it - if ( missingSkeletonOrScene ) - { - LL_WARNS()<< "Partial jointmap found in asset - did you mean to just have a partial map?" << LL_ENDL; - } - }//got skeleton? - } - - - domSkin::domJoints* joints = skin->getJoints(); - - domInputLocal_Array& joint_input = joints->getInput_array(); - - for (size_t i = 0; i < joint_input.getCount(); ++i) - { - domInputLocal* input = joint_input.get(i); - xsNMTOKEN semantic = input->getSemantic(); - - if (strcmp(semantic, COMMON_PROFILE_INPUT_JOINT) == 0) - { //found joint source, fill model->mJointMap and model->mSkinInfo.mJointNames - daeElement* elem = input->getSource().getElement(); - - domSource* source = daeSafeCast<domSource>(elem); - if (source) - { - - - domName_array* names_source = source->getName_array(); - - if (names_source) - { - domListOfNames &names = names_source->getValue(); - - for (size_t j = 0; j < names.getCount(); ++j) - { - std::string name(names.get(j)); - if (mJointMap.find(name) != mJointMap.end()) - { - name = mJointMap[name]; - } - model->mSkinInfo.mJointNames.push_back(name); - model->mSkinInfo.mJointNums.push_back(-1); - } - } - else - { - domIDREF_array* names_source = source->getIDREF_array(); - if (names_source) - { - xsIDREFS& names = names_source->getValue(); - - for (size_t j = 0; j < names.getCount(); ++j) - { - std::string name(names.get(j).getID()); - if (mJointMap.find(name) != mJointMap.end()) - { - name = mJointMap[name]; - } - model->mSkinInfo.mJointNames.push_back(name); - model->mSkinInfo.mJointNums.push_back(-1); - } - } - } - } - } - else if (strcmp(semantic, COMMON_PROFILE_INPUT_INV_BIND_MATRIX) == 0) - { //found inv_bind_matrix array, fill model->mInvBindMatrix - domSource* source = daeSafeCast<domSource>(input->getSource().getElement()); - if (source) - { - domFloat_array* t = source->getFloat_array(); - if (t) - { - domListOfFloats& transform = t->getValue(); - S32 count = transform.getCount()/16; - - for (S32 k = 0; k < count; ++k) - { - LLMatrix4 mat; - - for (int i = 0; i < 4; i++) - { - for(int j = 0; j < 4; j++) - { - mat.mMatrix[i][j] = transform[k*16 + i + j*4]; - } - } - model->mSkinInfo.mInvBindMatrix.push_back(LLMatrix4a(mat)); - } - } - } - } - } - - //Now that we've parsed the joint array, let's determine if we have a full rig - //(which means we have all the joint sthat are required for an avatar versus - //a skinned asset attached to a node in a file that contains an entire skeleton, - //but does not use the skeleton). - buildJointToNodeMappingFromScene( root ); - critiqueRigForUploadApplicability( model->mSkinInfo.mJointNames ); - - if ( !missingSkeletonOrScene ) - { - // FIXME: mesh_id is used to determine which mesh gets to - // set the joint offset, in the event of a conflict. Since - // we don't know the mesh id yet, we can't guarantee that - // joint offsets will be applied with the same priority as - // in the uploaded model. If the file contains multiple - // meshes with conflicting joint offsets, preview may be - // incorrect. - LLUUID fake_mesh_id; - fake_mesh_id.generate(); - - //Set the joint translations on the avatar - JointMap :: const_iterator masterJointIt = mJointMap.begin(); - JointMap :: const_iterator masterJointItEnd = mJointMap.end(); - for (;masterJointIt!=masterJointItEnd;++masterJointIt ) - { - std::string lookingForJoint = (*masterJointIt).first.c_str(); - - if ( mJointList.find( lookingForJoint ) != mJointList.end() ) - { - //LL_INFOS()<<"joint "<<lookingForJoint.c_str()<<LL_ENDL; - LLMatrix4 jointTransform = mJointList[lookingForJoint]; - LLJoint* pJoint = mJointLookupFunc(lookingForJoint,mOpaqueData); - if ( pJoint ) - { - const LLVector3& joint_pos = jointTransform.getTranslation(); - if (pJoint->aboveJointPosThreshold(joint_pos)) - { - bool override_changed; // not used - pJoint->addAttachmentPosOverride(joint_pos, fake_mesh_id, "", override_changed); - if (model->mSkinInfo.mLockScaleIfJointPosition) - { - pJoint->addAttachmentScaleOverride(pJoint->getDefaultScale(), fake_mesh_id, ""); - } - } - } - else - { - //Most likely an error in the asset. - LL_WARNS()<<"Tried to apply joint position from .dae, but it did not exist in the avatar rig." << LL_ENDL; - } - } - } - } //missingSkeletonOrScene - - //We need to construct the alternate bind matrix (which contains the new joint positions) - //in the same order as they were stored in the joint buffer. The joints associated - //with the skeleton are not stored in the same order as they are in the exported joint buffer. - //This remaps the skeletal joints to be in the same order as the joints stored in the model. - std::vector<std::string> :: const_iterator jointIt = model->mSkinInfo.mJointNames.begin(); - const int jointCnt = model->mSkinInfo.mJointNames.size(); - for ( int i=0; i<jointCnt; ++i, ++jointIt ) - { - std::string lookingForJoint = (*jointIt).c_str(); - //Look for the joint xform that we extracted from the skeleton, using the jointIt as the key - //and store it in the alternate bind matrix - if (mJointMap.find(lookingForJoint) != mJointMap.end() - && model->mSkinInfo.mInvBindMatrix.size() > i) - { - LLMatrix4 newInverse = LLMatrix4(model->mSkinInfo.mInvBindMatrix[i].getF32ptr()); - newInverse.setTranslation( mJointList[lookingForJoint].getTranslation() ); - model->mSkinInfo.mAlternateBindMatrix.push_back( LLMatrix4a(newInverse) ); - } - else - { - LL_DEBUGS("Mesh")<<"Possibly misnamed/missing joint [" <<lookingForJoint.c_str()<<"] "<<LL_ENDL; - } - } - - U32 bind_count = model->mSkinInfo.mAlternateBindMatrix.size(); - if (bind_count > 0 && bind_count != jointCnt) - { - LL_WARNS("Mesh") << "Model " << model->mLabel << " has invalid joint bind matrix list." << LL_ENDL; - } - - //grab raw position array - - domVertices* verts = mesh->getVertices(); - if (verts) - { - domInputLocal_Array& inputs = verts->getInput_array(); - for (size_t i = 0; i < inputs.getCount() && model->mPosition.empty(); ++i) - { - if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_POSITION) == 0) - { - domSource* pos_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement()); - if (pos_source) - { - domFloat_array* pos_array = pos_source->getFloat_array(); - if (pos_array) - { - domListOfFloats& pos = pos_array->getValue(); - - for (size_t j = 0; j < pos.getCount(); j += 3) - { - if (pos.getCount() <= j+2) - { - LL_ERRS() << "Invalid position array size." << LL_ENDL; - } - - LLVector3 v(pos[j], pos[j+1], pos[j+2]); - - //transform from COLLADA space to volume space - v = v * inverse_normalized_transformation; - - model->mPosition.push_back(v); - } - } - } - } - } - } - - //grab skin weights array - domSkin::domVertex_weights* weights = skin->getVertex_weights(); - if (weights) - { - domInputLocalOffset_Array& inputs = weights->getInput_array(); - domFloat_array* vertex_weights = NULL; - for (size_t i = 0; i < inputs.getCount(); ++i) - { - if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_WEIGHT) == 0) - { - domSource* weight_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement()); - if (weight_source) - { - vertex_weights = weight_source->getFloat_array(); - } - } - } - - if (vertex_weights) - { - domListOfFloats& w = vertex_weights->getValue(); - domListOfUInts& vcount = weights->getVcount()->getValue(); - domListOfInts& v = weights->getV()->getValue(); - - U32 c_idx = 0; - for (size_t vc_idx = 0; vc_idx < vcount.getCount(); ++vc_idx) - { //for each vertex - daeUInt count = vcount[vc_idx]; - - //create list of weights that influence this vertex - LLModel::weight_list weight_list; - - for (daeUInt i = 0; i < count; ++i) - { //for each weight - daeInt joint_idx = v[c_idx++]; - daeInt weight_idx = v[c_idx++]; - - if (joint_idx == -1) - { - //ignore bindings to bind_shape_matrix - continue; - } - - F32 weight_value = w[weight_idx]; - - weight_list.push_back(LLModel::JointWeight(joint_idx, weight_value)); - } - - //sort by joint weight - std::sort(weight_list.begin(), weight_list.end(), LLModel::CompareWeightGreater()); - - std::vector<LLModel::JointWeight> wght; - - F32 total = 0.f; - - for (U32 i = 0; i < llmin((U32) 4, (U32) weight_list.size()); ++i) - { //take up to 4 most significant weights - if (weight_list[i].mWeight > 0.f) - { - wght.push_back( weight_list[i] ); - total += weight_list[i].mWeight; - } - } - - F32 scale = 1.f/total; - if (scale != 1.f) - { //normalize weights - for (U32 i = 0; i < wght.size(); ++i) - { - wght[i].mWeight *= scale; - } - } - - model->mSkinWeights[model->mPosition[vc_idx]] = wght; - } - } - - } - - //add instance to scene for this model - - LLMatrix4 transformation; - transformation.initScale(mesh_scale_vector); - transformation.setTranslation(mesh_translation_vector); - transformation *= mTransform; - - std::map<std::string, LLImportMaterial> materials; - for (U32 i = 0; i < model->mMaterialList.size(); ++i) - { - materials[model->mMaterialList[i]] = LLImportMaterial(); - } - mScene[transformation].push_back(LLModelInstance(model, model->mLabel, transformation, materials)); - stretch_extents(model, transformation, mExtents[0], mExtents[1], mFirstTransform); - } -} - -//----------------------------------------------------------------------------- -// buildJointToNodeMappingFromScene() -//----------------------------------------------------------------------------- -void LLDAELoader::buildJointToNodeMappingFromScene( daeElement* pRoot ) -{ - daeElement* pScene = pRoot->getDescendant("visual_scene"); - if ( pScene ) - { - daeTArray< daeSmartRef<daeElement> > children = pScene->getChildren(); - S32 childCount = children.getCount(); - for (S32 i = 0; i < childCount; ++i) - { - domNode* pNode = daeSafeCast<domNode>(children[i]); - processJointToNodeMapping( pNode ); - } - } -} -//----------------------------------------------------------------------------- -// processJointToNodeMapping() -//----------------------------------------------------------------------------- -void LLDAELoader::processJointToNodeMapping( domNode* pNode ) -{ - if ( isNodeAJoint( pNode ) ) - { - //1.Store the parent - std::string nodeName = pNode->getName(); - if ( !nodeName.empty() ) - { - mJointsFromNode.push_front( pNode->getName() ); - } - //2. Handle the kiddo's - processChildJoints( pNode ); - } - else - { - //Determine if the're any children wrt to this failed node. - //This occurs when an armature is exported and ends up being what essentially amounts to - //as the root for the visual_scene - if ( pNode ) - { - processChildJoints( pNode ); - } - else - { - LL_INFOS()<<"Node is NULL"<<LL_ENDL; - } - - } -} -//----------------------------------------------------------------------------- -// processChildJoint() -//----------------------------------------------------------------------------- -void LLDAELoader::processChildJoints( domNode* pParentNode ) -{ - daeTArray< daeSmartRef<daeElement> > childOfChild = pParentNode->getChildren(); - S32 childOfChildCount = childOfChild.getCount(); - for (S32 i = 0; i < childOfChildCount; ++i) - { - domNode* pChildNode = daeSafeCast<domNode>( childOfChild[i] ); - if ( pChildNode ) - { - processJointToNodeMapping( pChildNode ); - } - } -} - -//----------------------------------------------------------------------------- -// isNodeAJoint() -//----------------------------------------------------------------------------- -bool LLDAELoader::isNodeAJoint( domNode* pNode ) -{ - if ( !pNode || !pNode->getName() ) - { - LL_INFOS()<<"Created node is NULL or invalid"<<LL_ENDL; - return false; - } - - return LLModelLoader::isNodeAJoint(pNode->getName()); -} -//----------------------------------------------------------------------------- -// verifyCount -//----------------------------------------------------------------------------- -bool LLDAELoader::verifyCount( int expected, int result ) -{ - if ( expected != result ) - { - LL_INFOS()<< "Error: (expected/got)"<<expected<<"/"<<result<<"verts"<<LL_ENDL; - return false; - } - return true; -} -//----------------------------------------------------------------------------- -// verifyController -//----------------------------------------------------------------------------- -bool LLDAELoader::verifyController( domController* pController ) -{ - - bool result = true; - - domSkin* pSkin = pController->getSkin(); - - if ( pSkin ) - { - xsAnyURI & uri = pSkin->getSource(); - domElement* pElement = uri.getElement(); - - if ( !pElement ) - { - LL_INFOS()<<"Can't resolve skin source"<<LL_ENDL; - return false; - } - - daeString type_str = pElement->getTypeName(); - if ( stricmp(type_str, "geometry") == 0 ) - { - //Skin is reference directly by geometry and get the vertex count from skin - domSkin::domVertex_weights* pVertexWeights = pSkin->getVertex_weights(); - U32 vertexWeightsCount = pVertexWeights->getCount(); - domGeometry* pGeometry = (domGeometry*) (domElement*) uri.getElement(); - domMesh* pMesh = pGeometry->getMesh(); - - if ( pMesh ) - { - //Get vertex count from geometry - domVertices* pVertices = pMesh->getVertices(); - if ( !pVertices ) - { - LL_INFOS()<<"No vertices!"<<LL_ENDL; - return false; - } - - if ( pVertices ) - { - xsAnyURI src = pVertices->getInput_array()[0]->getSource(); - domSource* pSource = (domSource*) (domElement*) src.getElement(); - U32 verticesCount = pSource->getTechnique_common()->getAccessor()->getCount(); - result = verifyCount( verticesCount, vertexWeightsCount ); - if ( !result ) - { - return result; - } - } - } - - U32 vcountCount = (U32) pVertexWeights->getVcount()->getValue().getCount(); - result = verifyCount( vcountCount, vertexWeightsCount ); - if ( !result ) - { - return result; - } - - domInputLocalOffset_Array& inputs = pVertexWeights->getInput_array(); - U32 sum = 0; - for (size_t i=0; i<vcountCount; i++) - { - sum += pVertexWeights->getVcount()->getValue()[i]; - } - result = verifyCount( sum * inputs.getCount(), (domInt) pVertexWeights->getV()->getValue().getCount() ); - } - } - - return result; -} - -//----------------------------------------------------------------------------- -// extractTranslation() -//----------------------------------------------------------------------------- -void LLDAELoader::extractTranslation( domTranslate* pTranslate, LLMatrix4& transform ) -{ - domFloat3 jointTrans = pTranslate->getValue(); - LLVector3 singleJointTranslation( jointTrans[0], jointTrans[1], jointTrans[2] ); - transform.setTranslation( singleJointTranslation ); -} -//----------------------------------------------------------------------------- -// extractTranslationViaElement() -//----------------------------------------------------------------------------- -void LLDAELoader::extractTranslationViaElement( daeElement* pTranslateElement, LLMatrix4& transform ) -{ - if ( pTranslateElement ) - { - domTranslate* pTranslateChild = static_cast<domTranslate*>( pTranslateElement ); - domFloat3 translateChild = pTranslateChild->getValue(); - LLVector3 singleJointTranslation( translateChild[0], translateChild[1], translateChild[2] ); - transform.setTranslation( singleJointTranslation ); - } -} -//----------------------------------------------------------------------------- -// extractTranslationViaSID() -//----------------------------------------------------------------------------- -void LLDAELoader::extractTranslationViaSID( daeElement* pElement, LLMatrix4& transform ) -{ - if ( pElement ) - { - daeSIDResolver resolver( pElement, "./transform" ); - domMatrix* pMatrix = daeSafeCast<domMatrix>( resolver.getElement() ); - //We are only extracting out the translational component atm - LLMatrix4 workingTransform; - if ( pMatrix ) - { - domFloat4x4 domArray = pMatrix->getValue(); - for ( int i = 0; i < 4; i++ ) - { - for( int j = 0; j < 4; j++ ) - { - workingTransform.mMatrix[i][j] = domArray[i + j*4]; - } - } - LLVector3 trans = workingTransform.getTranslation(); - transform.setTranslation( trans ); - } - } - else - { - LL_WARNS()<<"Element is nonexistent - empty/unsupported node."<<LL_ENDL; - } -} -//----------------------------------------------------------------------------- -// processJointNode() -//----------------------------------------------------------------------------- -void LLDAELoader::processJointNode( domNode* pNode, JointTransformMap& jointTransforms ) -{ - if (pNode->getName() == NULL) - { - LL_WARNS() << "nameless node, can't process" << LL_ENDL; - return; - } - - //LL_WARNS()<<"ProcessJointNode# Node:" <<pNode->getName()<<LL_ENDL; - - //1. handle the incoming node - extract out translation via SID or element - if (isNodeAJoint(pNode)) - { - LLMatrix4 workingTransform; - - //Pull out the translate id and store it in the jointTranslations map - daeSIDResolver jointResolverA(pNode, "./translate"); - domTranslate* pTranslateA = daeSafeCast<domTranslate>(jointResolverA.getElement()); - daeSIDResolver jointResolverB(pNode, "./location"); - domTranslate* pTranslateB = daeSafeCast<domTranslate>(jointResolverB.getElement()); - - //Translation via SID was successful - if (pTranslateA) - { - extractTranslation(pTranslateA, workingTransform); - } - else - if (pTranslateB) - { - extractTranslation(pTranslateB, workingTransform); - } - else - { - //Translation via child from element - daeElement* pTranslateElement = getChildFromElement(pNode, "translate"); - if (!pTranslateElement || pTranslateElement->typeID() != domTranslate::ID()) - { - //LL_WARNS()<< "The found element is not a translate node" <<LL_ENDL; - daeSIDResolver jointResolver(pNode, "./matrix"); - domMatrix* pMatrix = daeSafeCast<domMatrix>(jointResolver.getElement()); - if (pMatrix) - { - //LL_INFOS()<<"A matrix SID was however found!"<<LL_ENDL; - domFloat4x4 domArray = pMatrix->getValue(); - for (int i = 0; i < 4; i++) - { - for (int j = 0; j < 4; j++) - { - workingTransform.mMatrix[i][j] = domArray[i + j * 4]; - } - } - } - else - { - LL_WARNS() << "The found element is not translate or matrix node - most likely a corrupt export!" << LL_ENDL; - } - } - else - { - extractTranslationViaElement(pTranslateElement, workingTransform); - } - } - - //Store the working transform relative to the nodes name. - jointTransforms[pNode->getName()] = workingTransform; - } - - //2. handle the nodes children - - //Gather and handle the incoming nodes children - daeTArray< daeSmartRef<daeElement> > childOfChild = pNode->getChildren(); - S32 childOfChildCount = childOfChild.getCount(); - - for (S32 i = 0; i < childOfChildCount; ++i) - { - domNode* pChildNode = daeSafeCast<domNode>( childOfChild[i] ); - if ( pChildNode ) - { - processJointNode( pChildNode, jointTransforms ); - } - } -} -//----------------------------------------------------------------------------- -// getChildFromElement() -//----------------------------------------------------------------------------- -daeElement* LLDAELoader::getChildFromElement( daeElement* pElement, std::string const & name ) -{ - daeElement* pChildOfElement = pElement->getChild( name.c_str() ); - if ( pChildOfElement ) - { - return pChildOfElement; - } - LL_DEBUGS("Mesh")<< "Could not find a child [" << name << "] for the element: \"" << pElement->getAttribute("id") << "\"" << LL_ENDL; - return NULL; -} - -void LLDAELoader::processElement( daeElement* element, bool& badElement, DAE* dae) -{ - LLMatrix4 saved_transform; - bool pushed_mat = false; - - domNode* node = daeSafeCast<domNode>(element); - if (node) - { - pushed_mat = true; - saved_transform = mTransform; - } - - domTranslate* translate = daeSafeCast<domTranslate>(element); - if (translate) - { - domFloat3 dom_value = translate->getValue(); - - LLMatrix4 translation; - translation.setTranslation(LLVector3(dom_value[0], dom_value[1], dom_value[2])); - - translation *= mTransform; - mTransform = translation; - mTransform.condition(); - } - - domRotate* rotate = daeSafeCast<domRotate>(element); - if (rotate) - { - domFloat4 dom_value = rotate->getValue(); - - LLMatrix4 rotation; - rotation.initRotTrans(dom_value[3] * DEG_TO_RAD, LLVector3(dom_value[0], dom_value[1], dom_value[2]), LLVector3(0, 0, 0)); - - rotation *= mTransform; - mTransform = rotation; - mTransform.condition(); - } - - domScale* scale = daeSafeCast<domScale>(element); - if (scale) - { - domFloat3 dom_value = scale->getValue(); - - - LLVector3 scale_vector = LLVector3(dom_value[0], dom_value[1], dom_value[2]); - scale_vector.abs(); // Set all values positive, since we don't currently support mirrored meshes - LLMatrix4 scaling; - scaling.initScale(scale_vector); - - scaling *= mTransform; - mTransform = scaling; - mTransform.condition(); - } - - domMatrix* matrix = daeSafeCast<domMatrix>(element); - if (matrix) - { - domFloat4x4 dom_value = matrix->getValue(); - - LLMatrix4 matrix_transform; - - for (int i = 0; i < 4; i++) - { - for(int j = 0; j < 4; j++) - { - matrix_transform.mMatrix[i][j] = dom_value[i + j*4]; - } - } - - matrix_transform *= mTransform; - mTransform = matrix_transform; - mTransform.condition(); - } - - domInstance_geometry* instance_geo = daeSafeCast<domInstance_geometry>(element); - if (instance_geo) - { - domGeometry* geo = daeSafeCast<domGeometry>(instance_geo->getUrl().getElement()); - if (geo) - { - domMesh* mesh = daeSafeCast<domMesh>(geo->getDescendant(daeElement::matchType(domMesh::ID()))); - if (mesh) - { - - std::vector< LLPointer< LLModel > >::iterator i = mModelsMap[mesh].begin(); - while (i != mModelsMap[mesh].end()) - { - LLModel* model = *i; - - LLMatrix4 transformation = mTransform; - - if (mTransform.determinant() < 0) - { //negative scales are not supported - LL_INFOS() << "Negative scale detected, unsupported transform. domInstance_geometry: " << getElementLabel(instance_geo) << LL_ENDL; - LLSD args; - args["Message"] = "NegativeScaleTrans"; - args["LABEL"] = getElementLabel(instance_geo); - mWarningsArray.append(args); - - badElement = true; - } - - LLModelLoader::material_map materials = getMaterials(model, instance_geo, dae); - - // adjust the transformation to compensate for mesh normalization - LLVector3 mesh_scale_vector; - LLVector3 mesh_translation_vector; - model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector); - - LLMatrix4 mesh_translation; - mesh_translation.setTranslation(mesh_translation_vector); - mesh_translation *= transformation; - transformation = mesh_translation; - - LLMatrix4 mesh_scale; - mesh_scale.initScale(mesh_scale_vector); - mesh_scale *= transformation; - transformation = mesh_scale; - - if (transformation.determinant() < 0) - { //negative scales are not supported - LL_INFOS() << "Negative scale detected, unsupported post-normalization transform. domInstance_geometry: " << getElementLabel(instance_geo) << LL_ENDL; - LLSD args; - args["Message"] = "NegativeScaleNormTrans"; - args["LABEL"] = getElementLabel(instance_geo); - mWarningsArray.append(args); - badElement = true; - } - - std::string label; - - if (model->mLabel.empty()) - { - label = getLodlessLabel(instance_geo); - - llassert(!label.empty()); - - if (model->mSubmodelID) - { - label += (char)((int)'a' + model->mSubmodelID); - } - - model->mLabel = label + lod_suffix[mLod]; - } - else - { - // Don't change model's name if possible, it will play havoc with scenes that already use said model. - size_t ext_pos = getSuffixPosition(model->mLabel); - if (ext_pos != -1) - { - label = model->mLabel.substr(0, ext_pos); - } - else - { - label = model->mLabel; - } - } - - mScene[transformation].push_back(LLModelInstance(model, label, transformation, materials)); - stretch_extents(model, transformation, mExtents[0], mExtents[1], mFirstTransform); - i++; - } - } - } - else - { - LL_INFOS()<<"Unable to resolve geometry URL."<<LL_ENDL; - LLSD args; - args["Message"] = "CantResolveGeometryUrl"; - mWarningsArray.append(args); - badElement = true; - } - - } - - domInstance_node* instance_node = daeSafeCast<domInstance_node>(element); - if (instance_node) - { - daeElement* instance = instance_node->getUrl().getElement(); - if (instance) - { - processElement(instance,badElement, dae); - } - } - - //process children - daeTArray< daeSmartRef<daeElement> > children = element->getChildren(); - int childCount = children.getCount(); - for (S32 i = 0; i < childCount; i++) - { - processElement(children[i],badElement, dae); - } - - if (pushed_mat) - { //this element was a node, restore transform before processiing siblings - mTransform = saved_transform; - } -} - -std::map<std::string, LLImportMaterial> LLDAELoader::getMaterials(LLModel* model, domInstance_geometry* instance_geo, DAE* dae) -{ - std::map<std::string, LLImportMaterial> materials; - for (int i = 0; i < model->mMaterialList.size(); i++) - { - LLImportMaterial import_material; - - domInstance_material* instance_mat = NULL; - - domBind_material::domTechnique_common* technique = - daeSafeCast<domBind_material::domTechnique_common>(instance_geo->getDescendant(daeElement::matchType(domBind_material::domTechnique_common::ID()))); - - if (technique) - { - daeTArray< daeSmartRef<domInstance_material> > inst_materials = technique->getChildrenByType<domInstance_material>(); - for (int j = 0; j < inst_materials.getCount(); j++) - { - std::string symbol(inst_materials[j]->getSymbol()); - - if (symbol == model->mMaterialList[i]) // found the binding - { - instance_mat = inst_materials[j]; - break; - } - } - } - - if (instance_mat) - { - domMaterial* material = daeSafeCast<domMaterial>(instance_mat->getTarget().getElement()); - if (material) - { - domInstance_effect* instance_effect = - daeSafeCast<domInstance_effect>(material->getDescendant(daeElement::matchType(domInstance_effect::ID()))); - if (instance_effect) - { - domEffect* effect = daeSafeCast<domEffect>(instance_effect->getUrl().getElement()); - if (effect) - { - domProfile_COMMON* profile = - daeSafeCast<domProfile_COMMON>(effect->getDescendant(daeElement::matchType(domProfile_COMMON::ID()))); - if (profile) - { - import_material = profileToMaterial(profile, dae); - } - } - } - } - } - - import_material.mBinding = model->mMaterialList[i]; - materials[model->mMaterialList[i]] = import_material; - } - - return materials; -} - -LLImportMaterial LLDAELoader::profileToMaterial(domProfile_COMMON* material, DAE* dae) -{ - LLImportMaterial mat; - mat.mFullbright = false; - - daeElement* diffuse = material->getDescendant("diffuse"); - if (diffuse) - { - domCommon_color_or_texture_type_complexType::domTexture* texture = - daeSafeCast<domCommon_color_or_texture_type_complexType::domTexture>(diffuse->getDescendant("texture")); - if (texture) - { - domCommon_newparam_type_Array newparams = material->getNewparam_array(); - if (newparams.getCount()) - { - - for (S32 i = 0; i < newparams.getCount(); i++) - { - domFx_surface_common* surface = newparams[i]->getSurface(); - if (surface) - { - domFx_surface_init_common* init = surface->getFx_surface_init_common(); - if (init) - { - domFx_surface_init_from_common_Array init_from = init->getInit_from_array(); - - if (init_from.getCount() > i) - { - domImage* image = daeSafeCast<domImage>(init_from[i]->getValue().getElement()); - if (image) - { - // we only support init_from now - embedded data will come later - domImage::domInit_from* init = image->getInit_from(); - if (init) - { - mat.mDiffuseMapFilename = cdom::uriToNativePath(init->getValue().str()); - mat.mDiffuseMapLabel = getElementLabel(material); - } - } - } - } - } - } - } - else if (texture->getTexture()) - { - domImage* image = NULL; - dae->getDatabase()->getElement((daeElement**) &image, 0, texture->getTexture(), COLLADA_TYPE_IMAGE); - if (image) - { - // we only support init_from now - embedded data will come later - domImage::domInit_from* init = image->getInit_from(); - if (init) - { - std::string image_path_value = cdom::uriToNativePath(init->getValue().str()); - -#if LL_WINDOWS - // Work-around DOM tendency to resort to UNC names which are only confusing for downstream... - // - std::string::iterator i = image_path_value.begin(); - while (*i == '\\') - i++; - mat.mDiffuseMapFilename.assign(i, image_path_value.end()); -#else - mat.mDiffuseMapFilename = image_path_value; -#endif - mat.mDiffuseMapLabel = getElementLabel(material); - } - } - } - } - - domCommon_color_or_texture_type_complexType::domColor* color = - daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(diffuse->getDescendant("color")); - if (color) - { - domFx_color_common domfx_color = color->getValue(); - LLColor4 value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]); - mat.mDiffuseColor = value; - } - } - - daeElement* emission = material->getDescendant("emission"); - if (emission) - { - LLColor4 emission_color = getDaeColor(emission); - if (((emission_color[0] + emission_color[1] + emission_color[2]) / 3.0) > 0.25) - { - mat.mFullbright = true; - } - } - - return mat; -} - -// try to get a decent label for this element -std::string LLDAELoader::getElementLabel(daeElement *element) -{ - // if we have a name attribute, use it - std::string name = element->getAttribute("name"); - if (name.length()) - { - return name; - } - - // if we have an ID attribute, use it - if (element->getID()) - { - return std::string(element->getID()); - } - - // if we have a parent, use it - daeElement* parent = element->getParent(); - std::string index_string; - if (parent) - { - // retrieve index to distinguish items inside same parent - size_t ind = 0; - parent->getChildren().find(element, ind); - - if (ind > 0) - { - index_string = "_" + std::to_string(ind); - } - - // if parent has a name or ID, use it - std::string name = parent->getAttribute("name"); - if (!name.length()) - { - name = std::string(parent->getID()); - } - - if (name.length()) - { - // make sure that index won't mix up with pre-named lod extensions - size_t ext_pos = getSuffixPosition(name); - - if (ext_pos == -1) - { - return name + index_string; - } - else - { - return name.insert(ext_pos, index_string); - } - } - } - - // try to use our type - daeString element_name = element->getElementName(); - if (element_name) - { - return std::string(element_name) + index_string; - } - - // if all else fails, use "object" - return std::string("object") + index_string; -} - -// static -size_t LLDAELoader::getSuffixPosition(std::string label) -{ - if ((label.find("_LOD") != -1) || (label.find("_PHYS") != -1)) - { - return label.rfind('_'); - } - return -1; -} - -// static -std::string LLDAELoader::getLodlessLabel(daeElement *element) -{ - std::string label = getElementLabel(element); - size_t ext_pos = getSuffixPosition(label); - if (ext_pos != -1) - { - return label.substr(0, ext_pos); - } - return label; -} - -LLColor4 LLDAELoader::getDaeColor(daeElement* element) -{ - LLColor4 value; - domCommon_color_or_texture_type_complexType::domColor* color = - daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(element->getDescendant("color")); - if (color) - { - domFx_color_common domfx_color = color->getValue(); - value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]); - } - - return value; -} - -bool LLDAELoader::addVolumeFacesFromDomMesh(LLModel* pModel,domMesh* mesh, LLSD& log_msg) -{ - LLModel::EModelStatus status = LLModel::NO_ERRORS; - domTriangles_Array& tris = mesh->getTriangles_array(); - - for (U32 i = 0; i < tris.getCount(); ++i) - { - domTrianglesRef& tri = tris.get(i); - - status = load_face_from_dom_triangles(pModel->getVolumeFaces(), pModel->getMaterialList(), tri, log_msg); - pModel->mStatus = status; - if(status != LLModel::NO_ERRORS) - { - pModel->ClearFacesAndMaterials(); - return false; - } - } - - domPolylist_Array& polys = mesh->getPolylist_array(); - for (U32 i = 0; i < polys.getCount(); ++i) - { - domPolylistRef& poly = polys.get(i); - status = load_face_from_dom_polylist(pModel->getVolumeFaces(), pModel->getMaterialList(), poly, log_msg); - - if(status != LLModel::NO_ERRORS) - { - pModel->ClearFacesAndMaterials(); - return false; - } - } - - domPolygons_Array& polygons = mesh->getPolygons_array(); - - for (U32 i = 0; i < polygons.getCount(); ++i) - { - domPolygonsRef& poly = polygons.get(i); - - status = load_face_from_dom_polygons(pModel->getVolumeFaces(), pModel->getMaterialList(), poly); - - if(status != LLModel::NO_ERRORS) - { - pModel->ClearFacesAndMaterials(); - return false; - } - } - - return (status == LLModel::NO_ERRORS); -} - -//static diff version supports creating multiple models when material counts spill -// over the 8 face server-side limit -// -bool LLDAELoader::loadModelsFromDomMesh(domMesh* mesh, std::vector<LLModel*>& models_out, U32 submodel_limit) -{ - - LLVolumeParams volume_params; - volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE); - - models_out.clear(); - - LLModel* ret = new LLModel(volume_params, 0.f); - - std::string model_name = getLodlessLabel(mesh); - ret->mLabel = model_name + lod_suffix[mLod]; - - llassert(!ret->mLabel.empty()); - - // Like a monkey, ready to be shot into space - // - ret->ClearFacesAndMaterials(); - - // Get the whole set of volume faces - // - addVolumeFacesFromDomMesh(ret, mesh, mWarningsArray); - - U32 volume_faces = ret->getNumVolumeFaces(); - - // Side-steps all manner of issues when splitting models - // and matching lower LOD materials to base models - // - ret->sortVolumeFacesByMaterialName(); - - bool normalized = false; - - int submodelID = 0; - - // remove all faces that definitely won't fit into one model and submodel limit - U32 face_limit = (submodel_limit + 1) * LL_SCULPT_MESH_MAX_FACES; - if (face_limit < volume_faces) - { - ret->setNumVolumeFaces(face_limit); - } - - LLVolume::face_list_t remainder; - do - { - // Insure we do this once with the whole gang and not per-model - // - if (!normalized && !mNoNormalize) - { - normalized = true; - ret->normalizeVolumeFaces(); - } - - ret->trimVolumeFacesToSize(LL_SCULPT_MESH_MAX_FACES, &remainder); - - // remove unused/redundant vertices after normalizing - if (!mNoOptimize) - { - ret->remapVolumeFaces(); - } - - volume_faces = remainder.size(); - - models_out.push_back(ret); - - // If we have left-over volume faces, create another model - // to absorb them... - // - if (volume_faces) - { - LLModel* next = new LLModel(volume_params, 0.f); - next->mSubmodelID = ++submodelID; - next->mLabel = model_name + (char)((int)'a' + next->mSubmodelID) + lod_suffix[mLod]; - next->getVolumeFaces() = remainder; - next->mNormalizedScale = ret->mNormalizedScale; - next->mNormalizedTranslation = ret->mNormalizedTranslation; - - if ( ret->mMaterialList.size() > LL_SCULPT_MESH_MAX_FACES) - { - next->mMaterialList.assign(ret->mMaterialList.begin() + LL_SCULPT_MESH_MAX_FACES, ret->mMaterialList.end()); - } - ret = next; - } - - remainder.clear(); - - } while (volume_faces); - - return true; -} +/**
+ * @file lldaeloader.cpp
+ * @brief LLDAELoader class implementation
+ *
+ * $LicenseInfo:firstyear=2013&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2013, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#if LL_MSVC
+#pragma warning (disable : 4263)
+#pragma warning (disable : 4264)
+#endif
+#include "dae.h"
+#include "dom/domAsset.h"
+#include "dom/domBind_material.h"
+#include "dom/domCOLLADA.h"
+#include "dom/domConstants.h"
+#include "dom/domController.h"
+#include "dom/domEffect.h"
+#include "dom/domGeometry.h"
+#include "dom/domInstance_geometry.h"
+#include "dom/domInstance_material.h"
+#include "dom/domInstance_node.h"
+#include "dom/domInstance_effect.h"
+#include "dom/domMaterial.h"
+#include "dom/domMatrix.h"
+#include "dom/domNode.h"
+#include "dom/domProfile_COMMON.h"
+#include "dom/domRotate.h"
+#include "dom/domScale.h"
+#include "dom/domTranslate.h"
+#include "dom/domVisual_scene.h"
+#if LL_MSVC
+#pragma warning (default : 4263)
+#pragma warning (default : 4264)
+#endif
+
+#include "lldaeloader.h"
+#include "llsdserialize.h"
+#include "lljoint.h"
+
+#include "glh/glh_linear.h"
+#include "llmatrix4a.h"
+
+#include <boost/regex.hpp>
+#include <boost/algorithm/string/replace.hpp>
+
+std::string colladaVersion[VERSIONTYPE_COUNT+1] =
+{
+ "1.4.0",
+ "1.4.1",
+ "Unsupported"
+};
+
+static const std::string lod_suffix[LLModel::NUM_LODS] =
+{
+ "_LOD0",
+ "_LOD1",
+ "_LOD2",
+ "",
+ "_PHYS",
+};
+
+const U32 LIMIT_MATERIALS_OUTPUT = 12;
+
+bool get_dom_sources(const domInputLocalOffset_Array& inputs, S32& pos_offset, S32& tc_offset, S32& norm_offset, S32 &idx_stride,
+ domSource* &pos_source, domSource* &tc_source, domSource* &norm_source)
+{
+ idx_stride = 0;
+
+ for (U32 j = 0; j < inputs.getCount(); ++j)
+ {
+ idx_stride = llmax((S32) inputs[j]->getOffset(), idx_stride);
+
+ if (strcmp(COMMON_PROFILE_INPUT_VERTEX, inputs[j]->getSemantic()) == 0)
+ { //found vertex array
+ const domURIFragmentType& uri = inputs[j]->getSource();
+ daeElementRef elem = uri.getElement();
+ domVertices* vertices = (domVertices*) elem.cast();
+ if ( !vertices )
+ {
+ return false;
+ }
+
+ domInputLocal_Array& v_inp = vertices->getInput_array();
+
+
+ for (U32 k = 0; k < v_inp.getCount(); ++k)
+ {
+ if (strcmp(COMMON_PROFILE_INPUT_POSITION, v_inp[k]->getSemantic()) == 0)
+ {
+ pos_offset = inputs[j]->getOffset();
+
+ const domURIFragmentType& uri = v_inp[k]->getSource();
+ daeElementRef elem = uri.getElement();
+ pos_source = (domSource*) elem.cast();
+ }
+
+ if (strcmp(COMMON_PROFILE_INPUT_NORMAL, v_inp[k]->getSemantic()) == 0)
+ {
+ norm_offset = inputs[j]->getOffset();
+
+ const domURIFragmentType& uri = v_inp[k]->getSource();
+ daeElementRef elem = uri.getElement();
+ norm_source = (domSource*) elem.cast();
+ }
+ }
+ }
+
+ if (strcmp(COMMON_PROFILE_INPUT_NORMAL, inputs[j]->getSemantic()) == 0)
+ {
+ //found normal array for this triangle list
+ norm_offset = inputs[j]->getOffset();
+ const domURIFragmentType& uri = inputs[j]->getSource();
+ daeElementRef elem = uri.getElement();
+ norm_source = (domSource*) elem.cast();
+ }
+ else if (strcmp(COMMON_PROFILE_INPUT_TEXCOORD, inputs[j]->getSemantic()) == 0)
+ { //found texCoords
+ tc_offset = inputs[j]->getOffset();
+ const domURIFragmentType& uri = inputs[j]->getSource();
+ daeElementRef elem = uri.getElement();
+ tc_source = (domSource*) elem.cast();
+ }
+ }
+
+ idx_stride += 1;
+
+ return true;
+}
+
+LLModel::EModelStatus load_face_from_dom_triangles(
+ std::vector<LLVolumeFace>& face_list,
+ std::vector<std::string>& materials,
+ domTrianglesRef& tri,
+ LLSD& log_msg)
+{
+ LLVolumeFace face;
+ std::vector<LLVolumeFace::VertexData> verts;
+ std::vector<U16> indices;
+
+ const domInputLocalOffset_Array& inputs = tri->getInput_array();
+
+ S32 pos_offset = -1;
+ S32 tc_offset = -1;
+ S32 norm_offset = -1;
+
+ domSource* pos_source = NULL;
+ domSource* tc_source = NULL;
+ domSource* norm_source = NULL;
+
+ S32 idx_stride = 0;
+
+ if ( !get_dom_sources(inputs, pos_offset, tc_offset, norm_offset, idx_stride, pos_source, tc_source, norm_source))
+ {
+ LLSD args;
+ args["Message"] = "ParsingErrorBadElement";
+ log_msg.append(args);
+ return LLModel::BAD_ELEMENT;
+ }
+
+ if (!pos_source || !pos_source->getFloat_array())
+ {
+ LL_WARNS() << "Unable to process mesh without position data; invalid model; invalid model." << LL_ENDL;
+ LLSD args;
+ args["Message"] = "ParsingErrorPositionInvalidModel";
+ log_msg.append(args);
+ return LLModel::BAD_ELEMENT;
+ }
+
+ domPRef p = tri->getP();
+ domListOfUInts& idx = p->getValue();
+
+ domListOfFloats dummy ;
+ domListOfFloats& v = pos_source ? pos_source->getFloat_array()->getValue() : dummy ;
+ domListOfFloats& tc = tc_source ? tc_source->getFloat_array()->getValue() : dummy ;
+ domListOfFloats& n = norm_source ? norm_source->getFloat_array()->getValue() : dummy ;
+
+ if (pos_source)
+ {
+ if(v.getCount() == 0)
+ {
+ return LLModel::BAD_ELEMENT;
+ }
+ // VFExtents change
+ face.mExtents[0].set(v[0], v[1], v[2]);
+ face.mExtents[1].set(v[0], v[1], v[2]);
+ }
+
+ LLVolumeFace::VertexMapData::PointMap point_map;
+
+ if (idx_stride <= 0
+ || (pos_source && pos_offset >= idx_stride)
+ || (tc_source && tc_offset >= idx_stride)
+ || (norm_source && norm_offset >= idx_stride))
+ {
+ // Looks like these offsets should fit inside idx_stride
+ // Might be good idea to also check idx.getCount()%idx_stride != 0
+ LL_WARNS() << "Invalid pos_offset " << pos_offset << ", tc_offset " << tc_offset << " or norm_offset " << norm_offset << LL_ENDL;
+ return LLModel::BAD_ELEMENT;
+ }
+
+ for (U32 i = 0; i < idx.getCount(); i += idx_stride)
+ {
+ LLVolumeFace::VertexData cv;
+ if (pos_source)
+ {
+ cv.setPosition(LLVector4a(v[idx[i+pos_offset]*3+0],
+ v[idx[i+pos_offset]*3+1],
+ v[idx[i+pos_offset]*3+2]));
+ }
+
+ if (tc_source)
+ {
+ cv.mTexCoord.setVec(tc[idx[i+tc_offset]*2+0],
+ tc[idx[i+tc_offset]*2+1]);
+ }
+
+ if (norm_source)
+ {
+ cv.setNormal(LLVector4a(n[idx[i+norm_offset]*3+0],
+ n[idx[i+norm_offset]*3+1],
+ n[idx[i+norm_offset]*3+2]));
+ }
+
+ bool found = false;
+
+ LLVolumeFace::VertexMapData::PointMap::iterator point_iter;
+ point_iter = point_map.find(LLVector3(cv.getPosition().getF32ptr()));
+
+ if (point_iter != point_map.end())
+ {
+ for (U32 j = 0; j < point_iter->second.size(); ++j)
+ {
+ // We have a matching loc
+ //
+ if ((point_iter->second)[j] == cv)
+ {
+ U16 shared_index = (point_iter->second)[j].mIndex;
+
+ // Don't share verts within the same tri, degenerate
+ //
+ U32 indx_size = indices.size();
+ U32 verts_new_tri = indx_size % 3;
+ if ((verts_new_tri < 1 || indices[indx_size - 1] != shared_index)
+ && (verts_new_tri < 2 || indices[indx_size - 2] != shared_index))
+ {
+ found = true;
+ indices.push_back(shared_index);
+ }
+ break;
+ }
+ }
+ }
+
+ if (!found)
+ {
+ // VFExtents change
+ update_min_max(face.mExtents[0], face.mExtents[1], cv.getPosition());
+ verts.push_back(cv);
+ if (verts.size() >= 65535)
+ {
+ //llerrs << "Attempted to write model exceeding 16-bit index buffer limitation." << LL_ENDL;
+ return LLModel::VERTEX_NUMBER_OVERFLOW ;
+ }
+ U16 index = (U16) (verts.size()-1);
+ indices.push_back(index);
+
+ LLVolumeFace::VertexMapData d;
+ d.setPosition(cv.getPosition());
+ d.mTexCoord = cv.mTexCoord;
+ d.setNormal(cv.getNormal());
+ d.mIndex = index;
+ if (point_iter != point_map.end())
+ {
+ point_iter->second.push_back(d);
+ }
+ else
+ {
+ point_map[LLVector3(d.getPosition().getF32ptr())].push_back(d);
+ }
+ }
+
+ if (indices.size()%3 == 0 && verts.size() >= 65532)
+ {
+ std::string material;
+
+ if (tri->getMaterial())
+ {
+ material = std::string(tri->getMaterial());
+ }
+
+ materials.push_back(material);
+ face_list.push_back(face);
+ face_list.rbegin()->fillFromLegacyData(verts, indices);
+ LLVolumeFace& new_face = *face_list.rbegin();
+ if (!norm_source)
+ {
+ //ll_aligned_free_16(new_face.mNormals);
+ new_face.mNormals = NULL;
+ }
+
+ if (!tc_source)
+ {
+ //ll_aligned_free_16(new_face.mTexCoords);
+ new_face.mTexCoords = NULL;
+ }
+
+ face = LLVolumeFace();
+ // VFExtents change
+ face.mExtents[0].set(v[0], v[1], v[2]);
+ face.mExtents[1].set(v[0], v[1], v[2]);
+
+ verts.clear();
+ indices.clear();
+ point_map.clear();
+ }
+ }
+
+ if (!verts.empty())
+ {
+ std::string material;
+
+ if (tri->getMaterial())
+ {
+ material = std::string(tri->getMaterial());
+ }
+
+ materials.push_back(material);
+ face_list.push_back(face);
+
+ face_list.rbegin()->fillFromLegacyData(verts, indices);
+ LLVolumeFace& new_face = *face_list.rbegin();
+ if (!norm_source)
+ {
+ //ll_aligned_free_16(new_face.mNormals);
+ new_face.mNormals = NULL;
+ }
+
+ if (!tc_source)
+ {
+ //ll_aligned_free_16(new_face.mTexCoords);
+ new_face.mTexCoords = NULL;
+ }
+ }
+
+ return LLModel::NO_ERRORS ;
+}
+
+LLModel::EModelStatus load_face_from_dom_polylist(
+ std::vector<LLVolumeFace>& face_list,
+ std::vector<std::string>& materials,
+ domPolylistRef& poly,
+ LLSD& log_msg)
+{
+ domPRef p = poly->getP();
+ domListOfUInts& idx = p->getValue();
+
+ if (idx.getCount() == 0)
+ {
+ return LLModel::NO_ERRORS ;
+ }
+
+ const domInputLocalOffset_Array& inputs = poly->getInput_array();
+
+
+ domListOfUInts& vcount = poly->getVcount()->getValue();
+
+ S32 pos_offset = -1;
+ S32 tc_offset = -1;
+ S32 norm_offset = -1;
+
+ domSource* pos_source = NULL;
+ domSource* tc_source = NULL;
+ domSource* norm_source = NULL;
+
+ S32 idx_stride = 0;
+
+ if (!get_dom_sources(inputs, pos_offset, tc_offset, norm_offset, idx_stride, pos_source, tc_source, norm_source))
+ {
+ LL_WARNS() << "Bad element." << LL_ENDL;
+ LLSD args;
+ args["Message"] = "ParsingErrorBadElement";
+ log_msg.append(args);
+ return LLModel::BAD_ELEMENT;
+ }
+
+ LLVolumeFace face;
+
+ std::vector<U16> indices;
+ std::vector<LLVolumeFace::VertexData> verts;
+
+ domListOfFloats v;
+ domListOfFloats tc;
+ domListOfFloats n;
+
+ if (pos_source)
+ {
+ v = pos_source->getFloat_array()->getValue();
+ // VFExtents change
+ face.mExtents[0].set(v[0], v[1], v[2]);
+ face.mExtents[1].set(v[0], v[1], v[2]);
+ }
+
+ if (tc_source)
+ {
+ tc = tc_source->getFloat_array()->getValue();
+ }
+
+ if (norm_source)
+ {
+ n = norm_source->getFloat_array()->getValue();
+ }
+
+ LLVolumeFace::VertexMapData::PointMap point_map;
+
+ U32 cur_idx = 0;
+ bool log_tc_msg = true;
+ for (U32 i = 0; i < vcount.getCount(); ++i)
+ { //for each polygon
+ U32 first_index = 0;
+ U32 last_index = 0;
+ for (U32 j = 0; j < vcount[i]; ++j)
+ { //for each vertex
+
+ LLVolumeFace::VertexData cv;
+
+ if (pos_source)
+ {
+ cv.getPosition().set(v[idx[cur_idx+pos_offset]*3+0],
+ v[idx[cur_idx+pos_offset]*3+1],
+ v[idx[cur_idx+pos_offset]*3+2]);
+ if (!cv.getPosition().isFinite3())
+ {
+ LL_WARNS() << "Found NaN while loading position data from DAE-Model, invalid model." << LL_ENDL;
+ LLSD args;
+ args["Message"] = "PositionNaN";
+ log_msg.append(args);
+ return LLModel::BAD_ELEMENT;
+ }
+ }
+
+ if (tc_source)
+ {
+ U64 idx_x = idx[cur_idx + tc_offset] * 2 + 0;
+ U64 idx_y = idx[cur_idx + tc_offset] * 2 + 1;
+
+ if (idx_y < tc.getCount())
+ {
+ cv.mTexCoord.setVec(tc[idx_x], tc[idx_y]);
+ }
+ else if (log_tc_msg)
+ {
+ log_tc_msg = false;
+ LL_WARNS() << "Texture coordinates data is not complete." << LL_ENDL;
+ LLSD args;
+ args["Message"] = "IncompleteTC";
+ log_msg.append(args);
+ }
+ }
+
+ if (norm_source)
+ {
+ cv.getNormal().set(n[idx[cur_idx+norm_offset]*3+0],
+ n[idx[cur_idx+norm_offset]*3+1],
+ n[idx[cur_idx+norm_offset]*3+2]);
+
+ if (!cv.getNormal().isFinite3())
+ {
+ LL_WARNS() << "Found NaN while loading normals from DAE-Model, invalid model." << LL_ENDL;
+ LLSD args;
+ args["Message"] = "NormalsNaN";
+ log_msg.append(args);
+
+ return LLModel::BAD_ELEMENT;
+ }
+ }
+
+ cur_idx += idx_stride;
+
+ bool found = false;
+
+ LLVolumeFace::VertexMapData::PointMap::iterator point_iter;
+ LLVector3 pos3(cv.getPosition().getF32ptr());
+ point_iter = point_map.find(pos3);
+
+ if (point_iter != point_map.end())
+ {
+ for (U32 k = 0; k < point_iter->second.size(); ++k)
+ {
+ if ((point_iter->second)[k] == cv)
+ {
+ found = true;
+ U32 index = (point_iter->second)[k].mIndex;
+ if (j == 0)
+ {
+ first_index = index;
+ }
+ else if (j == 1)
+ {
+ last_index = index;
+ }
+ else
+ {
+ // if these are the same, we have a very, very skinny triangle (coincident verts on one or more edges)
+ //
+ llassert((first_index != last_index) && (last_index != index) && (first_index != index));
+ indices.push_back(first_index);
+ indices.push_back(last_index);
+ indices.push_back(index);
+ last_index = index;
+ }
+
+ break;
+ }
+ }
+ }
+
+ if (!found)
+ {
+ // VFExtents change
+ update_min_max(face.mExtents[0], face.mExtents[1], cv.getPosition());
+ verts.push_back(cv);
+ if (verts.size() >= 65535)
+ {
+ //llerrs << "Attempted to write model exceeding 16-bit index buffer limitation." << LL_ENDL;
+ return LLModel::VERTEX_NUMBER_OVERFLOW ;
+ }
+ U16 index = (U16) (verts.size()-1);
+
+ if (j == 0)
+ {
+ first_index = index;
+ }
+ else if (j == 1)
+ {
+ last_index = index;
+ }
+ else
+ {
+ // detect very skinny degenerate triangles with collapsed edges
+ //
+ llassert((first_index != last_index) && (last_index != index) && (first_index != index));
+ indices.push_back(first_index);
+ indices.push_back(last_index);
+ indices.push_back(index);
+ last_index = index;
+ }
+
+ LLVolumeFace::VertexMapData d;
+ d.setPosition(cv.getPosition());
+ d.mTexCoord = cv.mTexCoord;
+ d.setNormal(cv.getNormal());
+ d.mIndex = index;
+ if (point_iter != point_map.end())
+ {
+ point_iter->second.push_back(d);
+ }
+ else
+ {
+ point_map[pos3].push_back(d);
+ }
+ }
+
+ if (indices.size()%3 == 0 && indices.size() >= 65532)
+ {
+ std::string material;
+
+ if (poly->getMaterial())
+ {
+ material = std::string(poly->getMaterial());
+ }
+
+ materials.push_back(material);
+ face_list.push_back(face);
+ face_list.rbegin()->fillFromLegacyData(verts, indices);
+ LLVolumeFace& new_face = *face_list.rbegin();
+ if (!norm_source)
+ {
+ //ll_aligned_free_16(new_face.mNormals);
+ new_face.mNormals = NULL;
+ }
+
+ if (!tc_source)
+ {
+ //ll_aligned_free_16(new_face.mTexCoords);
+ new_face.mTexCoords = NULL;
+ }
+
+ face = LLVolumeFace();
+ // VFExtents change
+ face.mExtents[0].set(v[0], v[1], v[2]);
+ face.mExtents[1].set(v[0], v[1], v[2]);
+ verts.clear();
+ indices.clear();
+ point_map.clear();
+ }
+ }
+ }
+
+ if (!verts.empty())
+ {
+ std::string material;
+
+ if (poly->getMaterial())
+ {
+ material = std::string(poly->getMaterial());
+ }
+
+ materials.push_back(material);
+ face_list.push_back(face);
+ face_list.rbegin()->fillFromLegacyData(verts, indices);
+
+ LLVolumeFace& new_face = *face_list.rbegin();
+ if (!norm_source)
+ {
+ //ll_aligned_free_16(new_face.mNormals);
+ new_face.mNormals = NULL;
+ }
+
+ if (!tc_source)
+ {
+ //ll_aligned_free_16(new_face.mTexCoords);
+ new_face.mTexCoords = NULL;
+ }
+ }
+
+ return LLModel::NO_ERRORS ;
+}
+
+LLModel::EModelStatus load_face_from_dom_polygons(std::vector<LLVolumeFace>& face_list, std::vector<std::string>& materials, domPolygonsRef& poly)
+{
+ LLVolumeFace face;
+ std::vector<U16> indices;
+ std::vector<LLVolumeFace::VertexData> verts;
+
+ const domInputLocalOffset_Array& inputs = poly->getInput_array();
+
+ S32 v_offset = -1;
+ S32 n_offset = -1;
+ S32 t_offset = -1;
+
+ domListOfFloats* v = NULL;
+ domListOfFloats* n = NULL;
+ domListOfFloats* t = NULL;
+
+ U32 stride = 0;
+ for (U32 i = 0; i < inputs.getCount(); ++i)
+ {
+ stride = llmax((U32) inputs[i]->getOffset()+1, stride);
+
+ if (strcmp(COMMON_PROFILE_INPUT_VERTEX, inputs[i]->getSemantic()) == 0)
+ { //found vertex array
+ v_offset = inputs[i]->getOffset();
+
+ const domURIFragmentType& uri = inputs[i]->getSource();
+ daeElementRef elem = uri.getElement();
+ domVertices* vertices = (domVertices*) elem.cast();
+ if (!vertices)
+ {
+ return LLModel::BAD_ELEMENT;
+ }
+ domInputLocal_Array& v_inp = vertices->getInput_array();
+
+ for (U32 k = 0; k < v_inp.getCount(); ++k)
+ {
+ if (strcmp(COMMON_PROFILE_INPUT_POSITION, v_inp[k]->getSemantic()) == 0)
+ {
+ const domURIFragmentType& uri = v_inp[k]->getSource();
+ daeElementRef elem = uri.getElement();
+ domSource* src = (domSource*) elem.cast();
+ if (!src)
+ {
+ return LLModel::BAD_ELEMENT;
+ }
+ v = &(src->getFloat_array()->getValue());
+ }
+ }
+ }
+ else if (strcmp(COMMON_PROFILE_INPUT_NORMAL, inputs[i]->getSemantic()) == 0)
+ {
+ n_offset = inputs[i]->getOffset();
+ //found normal array for this triangle list
+ const domURIFragmentType& uri = inputs[i]->getSource();
+ daeElementRef elem = uri.getElement();
+ domSource* src = (domSource*) elem.cast();
+ if (!src)
+ {
+ return LLModel::BAD_ELEMENT;
+ }
+ n = &(src->getFloat_array()->getValue());
+ }
+ else if (strcmp(COMMON_PROFILE_INPUT_TEXCOORD, inputs[i]->getSemantic()) == 0 && inputs[i]->getSet() == 0)
+ { //found texCoords
+ t_offset = inputs[i]->getOffset();
+ const domURIFragmentType& uri = inputs[i]->getSource();
+ daeElementRef elem = uri.getElement();
+ domSource* src = (domSource*) elem.cast();
+ if (!src)
+ {
+ return LLModel::BAD_ELEMENT;
+ }
+ t = &(src->getFloat_array()->getValue());
+ }
+ }
+
+ domP_Array& ps = poly->getP_array();
+
+ //make a triangle list in <verts>
+ for (U32 i = 0; i < ps.getCount(); ++i)
+ { //for each polygon
+ domListOfUInts& idx = ps[i]->getValue();
+ for (U32 j = 0; j < idx.getCount()/stride; ++j)
+ { //for each vertex
+ if (j > 2)
+ {
+ U32 size = verts.size();
+ LLVolumeFace::VertexData v0 = verts[size-3];
+ LLVolumeFace::VertexData v1 = verts[size-1];
+
+ verts.push_back(v0);
+ verts.push_back(v1);
+ }
+
+ LLVolumeFace::VertexData vert;
+
+
+ if (v)
+ {
+ U32 v_idx = idx[j*stride+v_offset]*3;
+ v_idx = llclamp(v_idx, (U32) 0, (U32) v->getCount());
+ vert.getPosition().set(v->get(v_idx),
+ v->get(v_idx+1),
+ v->get(v_idx+2));
+ }
+
+ //bounds check n and t lookups because some FBX to DAE converters
+ //use negative indices and empty arrays to indicate data does not exist
+ //for a particular channel
+ if (n && n->getCount() > 0)
+ {
+ U32 n_idx = idx[j*stride+n_offset]*3;
+ n_idx = llclamp(n_idx, (U32) 0, (U32) n->getCount());
+ vert.getNormal().set(n->get(n_idx),
+ n->get(n_idx+1),
+ n->get(n_idx+2));
+ }
+ else
+ {
+ vert.getNormal().clear();
+ }
+
+
+ if (t && t->getCount() > 0)
+ {
+ U32 t_idx = idx[j*stride+t_offset]*2;
+ t_idx = llclamp(t_idx, (U32) 0, (U32) t->getCount());
+ vert.mTexCoord.setVec(t->get(t_idx),
+ t->get(t_idx+1));
+ }
+ else
+ {
+ vert.mTexCoord.clear();
+ }
+
+
+ verts.push_back(vert);
+ }
+ }
+
+ if (verts.empty())
+ {
+ return LLModel::NO_ERRORS;
+ }
+ // VFExtents change
+ face.mExtents[0] = verts[0].getPosition();
+ face.mExtents[1] = verts[0].getPosition();
+
+ //create a map of unique vertices to indices
+ std::map<LLVolumeFace::VertexData, U32> vert_idx;
+
+ U32 cur_idx = 0;
+ for (U32 i = 0; i < verts.size(); ++i)
+ {
+ std::map<LLVolumeFace::VertexData, U32>::iterator iter = vert_idx.find(verts[i]);
+ if (iter == vert_idx.end())
+ {
+ vert_idx[verts[i]] = cur_idx++;
+ }
+ }
+
+ // Viewer can only fit U16 vertices, shouldn't we do some checks here and return overflow if result has more?
+ llassert(vert_idx.size() < U16_MAX);
+
+ //build vertex array from map
+ std::vector<LLVolumeFace::VertexData> new_verts;
+ new_verts.resize(vert_idx.size());
+
+ for (std::map<LLVolumeFace::VertexData, U32>::iterator iter = vert_idx.begin(); iter != vert_idx.end(); ++iter)
+ {
+ new_verts[iter->second] = iter->first;
+ // VFExtents change
+ update_min_max(face.mExtents[0], face.mExtents[1], iter->first.getPosition());
+ }
+
+ //build index array from map
+ indices.resize(verts.size());
+
+ for (U32 i = 0; i < verts.size(); ++i)
+ {
+ indices[i] = vert_idx[verts[i]];
+ if (i % 3 != 0) // assumes GL_TRIANGLES, compare 0-1, 1-2, 3-4, 4-5 but not 2-3 or 5-6
+ {
+ // A faulty degenerate triangle detection (triangle with 0 area),
+ // probably should be a warning and not an assert
+ llassert(!i || (indices[i-1] != indices[i]));
+ }
+ }
+
+ // DEBUG just build an expanded triangle list
+ /*for (U32 i = 0; i < verts.size(); ++i)
+ {
+ indices.push_back((U16) i);
+ update_min_max(face.mExtents[0], face.mExtents[1], verts[i].getPosition());
+ }*/
+
+ if (!new_verts.empty())
+ {
+ std::string material;
+
+ if (poly->getMaterial())
+ {
+ material = std::string(poly->getMaterial());
+ }
+
+ materials.push_back(material);
+ face_list.push_back(face);
+ face_list.rbegin()->fillFromLegacyData(new_verts, indices);
+
+ LLVolumeFace& new_face = *face_list.rbegin();
+ if (!n)
+ {
+ //ll_aligned_free_16(new_face.mNormals);
+ new_face.mNormals = NULL;
+ }
+
+ if (!t)
+ {
+ //ll_aligned_free_16(new_face.mTexCoords);
+ new_face.mTexCoords = NULL;
+ }
+ }
+
+ return LLModel::NO_ERRORS ;
+}
+
+//-----------------------------------------------------------------------------
+// LLDAELoader
+//-----------------------------------------------------------------------------
+LLDAELoader::LLDAELoader(
+ std::string filename,
+ S32 lod,
+ load_callback_t load_cb,
+ joint_lookup_func_t joint_lookup_func,
+ texture_load_func_t texture_load_func,
+ state_callback_t state_cb,
+ void* opaque_userdata,
+ JointTransformMap& jointTransformMap,
+ JointNameSet& jointsFromNodes,
+ std::map<std::string, std::string>& jointAliasMap,
+ U32 maxJointsPerMesh,
+ U32 modelLimit,
+ bool preprocess)
+: LLModelLoader(
+ filename,
+ lod,
+ load_cb,
+ joint_lookup_func,
+ texture_load_func,
+ state_cb,
+ opaque_userdata,
+ jointTransformMap,
+ jointsFromNodes,
+ jointAliasMap,
+ maxJointsPerMesh),
+ mGeneratedModelLimit(modelLimit),
+ mPreprocessDAE(preprocess)
+{
+}
+
+LLDAELoader::~LLDAELoader()
+{
+}
+
+struct ModelSort
+{
+ bool operator()(const LLPointer< LLModel >& lhs, const LLPointer< LLModel >& rhs)
+ {
+ if (lhs->mSubmodelID < rhs->mSubmodelID)
+ {
+ return true;
+ }
+ return LLStringUtil::compareInsensitive(lhs->mLabel, rhs->mLabel) < 0;
+ }
+};
+
+bool LLDAELoader::OpenFile(const std::string& filename)
+{
+ setLoadState( READING_FILE );
+
+ //no suitable slm exists, load from the .dae file
+
+ // Collada expects file and folder names to be escaped
+ // Note: cdom::nativePathToUri()
+ const char* allowed =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz"
+ "0123456789"
+ "%-._~:\"|\\/";
+ std::string uri_filename = LLURI::escape(filename, allowed);
+
+ DAE dae;
+ domCOLLADA* dom;
+ if (mPreprocessDAE)
+ {
+ dom = dae.openFromMemory(uri_filename, preprocessDAE(filename).c_str());
+ }
+ else
+ {
+ LL_INFOS() << "Skipping dae preprocessing" << LL_ENDL;
+ dom = dae.open(uri_filename);
+ }
+
+ if (!dom)
+ {
+ LL_INFOS() <<" Error with dae - traditionally indicates a corrupt file."<<LL_ENDL;
+ LLSD args;
+ args["Message"] = "ParsingErrorCorrupt";
+ mWarningsArray.append(args);
+ setLoadState( ERROR_PARSING );
+ return false;
+ }
+ //Dom version
+ daeString domVersion = dae.getDomVersion();
+ std::string sldom(domVersion);
+ LL_INFOS()<<"Collada Importer Version: "<<sldom<<LL_ENDL;
+ //Dae version
+ domVersionType docVersion = dom->getVersion();
+ //0=1.4
+ //1=1.4.1
+ //2=Currently unsupported, however may work
+ if (docVersion > 1 )
+ {
+ docVersion = VERSIONTYPE_COUNT;
+ }
+ LL_INFOS()<<"Dae version "<<colladaVersion[docVersion]<<LL_ENDL;
+
+
+ daeDatabase* db = dae.getDatabase();
+
+ daeInt count = db->getElementCount(NULL, COLLADA_TYPE_MESH);
+
+ daeDocument* doc = dae.getDoc(uri_filename);
+ if (!doc)
+ {
+ LL_WARNS() << "can't find internal doc" << LL_ENDL;
+ LLSD args;
+ args["Message"] = "ParsingErrorNoDoc";
+ mWarningsArray.append(args);
+ return false;
+ }
+
+ daeElement* root = doc->getDomRoot();
+ if (!root)
+ {
+ LL_WARNS() << "document has no root" << LL_ENDL;
+ LLSD args;
+ args["Message"] = "ParsingErrorNoRoot";
+ mWarningsArray.append(args);
+ return false;
+ }
+
+ //Verify some basic properties of the dae
+ //1. Basic validity check on controller
+ U32 controllerCount = (int) db->getElementCount( NULL, "controller" );
+ bool result = false;
+ for ( int i=0; i<controllerCount; ++i )
+ {
+ domController* pController = NULL;
+ db->getElement( (daeElement**) &pController, i , NULL, "controller" );
+ result = verifyController( pController );
+ if (!result)
+ {
+ LL_INFOS() << "Could not verify controller" << LL_ENDL;
+ LLSD args;
+ args["Message"] = "ParsingErrorBadElement";
+ mWarningsArray.append(args);
+ setLoadState( ERROR_PARSING );
+ return true;
+ }
+ }
+
+
+ //get unit scale
+ mTransform.setIdentity();
+
+ domAsset::domUnit* unit = daeSafeCast<domAsset::domUnit>(root->getDescendant(daeElement::matchType(domAsset::domUnit::ID())));
+
+ if (unit)
+ {
+ F32 meter = unit->getMeter();
+ mTransform.mMatrix[0][0] = meter;
+ mTransform.mMatrix[1][1] = meter;
+ mTransform.mMatrix[2][2] = meter;
+ }
+
+ //get up axis rotation
+ LLMatrix4 rotation;
+
+ domUpAxisType up = UPAXISTYPE_Y_UP; // default is Y_UP
+ domAsset::domUp_axis* up_axis =
+ daeSafeCast<domAsset::domUp_axis>(root->getDescendant(daeElement::matchType(domAsset::domUp_axis::ID())));
+
+ if (up_axis)
+ {
+ up = up_axis->getValue();
+ }
+
+ if (up == UPAXISTYPE_X_UP)
+ {
+ rotation.initRotation(0.0f, 90.0f * DEG_TO_RAD, 0.0f);
+ }
+ else if (up == UPAXISTYPE_Y_UP)
+ {
+ rotation.initRotation(90.0f * DEG_TO_RAD, 0.0f, 0.0f);
+ }
+
+ rotation *= mTransform;
+ mTransform = rotation;
+
+ mTransform.condition();
+
+ U32 submodel_limit = count > 0 ? mGeneratedModelLimit/count : 0;
+ for (daeInt idx = 0; idx < count; ++idx)
+ { //build map of domEntities to LLModel
+ domMesh* mesh = NULL;
+ db->getElement((daeElement**) &mesh, idx, NULL, COLLADA_TYPE_MESH);
+
+ if (mesh)
+ {
+
+ std::vector<LLModel*> models;
+
+ loadModelsFromDomMesh(mesh, models, submodel_limit);
+
+ std::vector<LLModel*>::iterator i;
+ i = models.begin();
+ while (i != models.end())
+ {
+ LLModel* mdl = *i;
+ if(mdl->getStatus() != LLModel::NO_ERRORS)
+ {
+ setLoadState(ERROR_MODEL + mdl->getStatus()) ;
+ return false; //abort
+ }
+
+ if (mdl && validate_model(mdl))
+ {
+ mModelList.push_back(mdl);
+ mModelsMap[mesh].push_back(mdl);
+ }
+ i++;
+ }
+ }
+ }
+
+ std::sort(mModelList.begin(), mModelList.end(), ModelSort());
+
+ model_list::iterator model_iter = mModelList.begin();
+ while (model_iter != mModelList.end())
+ {
+ LLModel* mdl = *model_iter;
+ U32 material_count = mdl->mMaterialList.size();
+ LL_INFOS() << "Importing " << mdl->mLabel << " model with " << material_count << " material references" << LL_ENDL;
+ std::vector<std::string>::iterator mat_iter = mdl->mMaterialList.begin();
+ std::vector<std::string>::iterator end_iter = material_count > LIMIT_MATERIALS_OUTPUT
+ ? mat_iter + LIMIT_MATERIALS_OUTPUT
+ : mdl->mMaterialList.end();
+ while (mat_iter != end_iter)
+ {
+ LL_INFOS() << mdl->mLabel << " references " << (*mat_iter) << LL_ENDL;
+ mat_iter++;
+ }
+ model_iter++;
+ }
+
+ count = db->getElementCount(NULL, COLLADA_TYPE_SKIN);
+ for (daeInt idx = 0; idx < count; ++idx)
+ { //add skinned meshes as instances
+ domSkin* skin = NULL;
+ db->getElement((daeElement**) &skin, idx, NULL, COLLADA_TYPE_SKIN);
+
+ if (skin)
+ {
+ domGeometry* geom = daeSafeCast<domGeometry>(skin->getSource().getElement());
+
+ if (geom)
+ {
+ domMesh* mesh = geom->getMesh();
+ if (mesh)
+ {
+ std::vector< LLPointer< LLModel > >::iterator i = mModelsMap[mesh].begin();
+ while (i != mModelsMap[mesh].end())
+ {
+ LLPointer<LLModel> mdl = *i;
+ LLDAELoader::processDomModel(mdl, &dae, root, mesh, skin);
+ i++;
+ }
+ }
+ }
+ }
+ }
+
+ LL_INFOS()<< "Collada skins processed: " << count <<LL_ENDL;
+
+ daeElement* scene = root->getDescendant("visual_scene");
+
+ if (!scene)
+ {
+ LL_WARNS() << "document has no visual_scene" << LL_ENDL;
+ LLSD args;
+ args["Message"] = "ParsingErrorNoScene";
+ mWarningsArray.append(args);
+ setLoadState( ERROR_PARSING );
+ return true;
+ }
+
+ setLoadState( DONE );
+
+ bool badElement = false;
+
+ processElement( scene, badElement, &dae);
+
+ if ( badElement )
+ {
+ LL_INFOS()<<"Scene could not be parsed"<<LL_ENDL;
+ LLSD args;
+ args["Message"] = "ParsingErrorCantParseScene";
+ mWarningsArray.append(args);
+ setLoadState( ERROR_PARSING );
+ }
+
+ return true;
+}
+
+std::string LLDAELoader::preprocessDAE(std::string filename)
+{
+ // Open a DAE file for some preprocessing (like removing space characters in IDs), see MAINT-5678
+ llifstream inFile;
+ inFile.open(filename.c_str(), std::ios_base::in);
+ std::stringstream strStream;
+ strStream << inFile.rdbuf();
+ std::string buffer = strStream.str();
+
+ LL_INFOS() << "Preprocessing dae file to remove spaces from the names, ids, etc." << LL_ENDL;
+
+ try
+ {
+ boost::regex re("\"[\\w\\.@#$-]*(\\s[\\w\\.@#$-]*)+\"");
+ boost::sregex_iterator next(buffer.begin(), buffer.end(), re);
+ boost::sregex_iterator end;
+ while (next != end)
+ {
+ boost::smatch match = *next;
+ std::string s = match.str();
+ LL_INFOS() << s << " found" << LL_ENDL;
+ boost::replace_all(s, " ", "_");
+ LL_INFOS() << "Replacing with " << s << LL_ENDL;
+ boost::replace_all(buffer, match.str(), s);
+ next++;
+ }
+ }
+ catch (boost::regex_error &)
+ {
+ LL_INFOS() << "Regex error" << LL_ENDL;
+ }
+
+ return buffer;
+}
+
+void LLDAELoader::processDomModel(LLModel* model, DAE* dae, daeElement* root, domMesh* mesh, domSkin* skin)
+{
+ llassert(model && dae && mesh && skin);
+
+ if (model)
+ {
+ LLVector3 mesh_scale_vector;
+ LLVector3 mesh_translation_vector;
+ model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+
+ LLMatrix4 normalized_transformation;
+ normalized_transformation.setTranslation(mesh_translation_vector);
+
+ LLMatrix4 mesh_scale;
+ mesh_scale.initScale(mesh_scale_vector);
+ mesh_scale *= normalized_transformation;
+ normalized_transformation = mesh_scale;
+
+ glh::matrix4f inv_mat((F32*) normalized_transformation.mMatrix);
+ inv_mat = inv_mat.inverse();
+ LLMatrix4 inverse_normalized_transformation(inv_mat.m);
+
+ domSkin::domBind_shape_matrix* bind_mat = skin->getBind_shape_matrix();
+
+ if (bind_mat)
+ { //get bind shape matrix
+ domFloat4x4& dom_value = bind_mat->getValue();
+
+ LLMeshSkinInfo& skin_info = model->mSkinInfo;
+
+ LLMatrix4 mat;
+ for (int i = 0; i < 4; i++)
+ {
+ for(int j = 0; j < 4; j++)
+ {
+ mat.mMatrix[i][j] = dom_value[i + j*4];
+ }
+ }
+
+ skin_info.mBindShapeMatrix.loadu(mat);
+
+ LLMatrix4a trans(normalized_transformation);
+ matMul(trans, skin_info.mBindShapeMatrix, skin_info.mBindShapeMatrix);
+ }
+
+
+ //Some collada setup for accessing the skeleton
+ U32 skeleton_count = dae->getDatabase()->getElementCount( NULL, "skeleton" );
+ std::vector<domInstance_controller::domSkeleton*> skeletons;
+ for (S32 i=0; i<skeleton_count; i++)
+ {
+ daeElement* pElement = 0;
+ dae->getDatabase()->getElement( &pElement, i, 0, "skeleton" );
+
+ //Try to get at the skeletal instance controller
+ domInstance_controller::domSkeleton* pSkeleton = daeSafeCast<domInstance_controller::domSkeleton>( pElement );
+ daeElement* pSkeletonRootNode = NULL;
+ if (pSkeleton)
+ {
+ pSkeletonRootNode = pSkeleton->getValue().getElement();
+ }
+ if (pSkeleton && pSkeletonRootNode)
+ {
+ skeletons.push_back(pSkeleton);
+ }
+ }
+ bool missingSkeletonOrScene = false;
+
+ //If no skeleton, do a breadth-first search to get at specific joints
+ if ( skeletons.size() == 0 )
+ {
+ daeElement* pScene = root->getDescendant("visual_scene");
+ if ( !pScene )
+ {
+ LL_WARNS()<<"No visual scene - unable to parse bone offsets "<<LL_ENDL;
+ missingSkeletonOrScene = true;
+ }
+ else
+ {
+ //Get the children at this level
+ daeTArray< daeSmartRef<daeElement> > children = pScene->getChildren();
+ S32 childCount = children.getCount();
+
+ //Process any children that are joints
+ //Not all children are joints, some could be ambient lights, cameras, geometry etc..
+ for (S32 i = 0; i < childCount; ++i)
+ {
+ domNode* pNode = daeSafeCast<domNode>(children[i]);
+ if (pNode)
+ {
+ processJointNode( pNode, mJointList );
+ }
+ }
+ }
+ }
+ else
+ //Has one or more skeletons
+ for (std::vector<domInstance_controller::domSkeleton*>::iterator skel_it = skeletons.begin();
+ skel_it != skeletons.end(); ++skel_it)
+ {
+ domInstance_controller::domSkeleton* pSkeleton = *skel_it;
+ //Get the root node of the skeleton
+ daeElement* pSkeletonRootNode = pSkeleton->getValue().getElement();
+ if ( pSkeletonRootNode )
+ {
+ //Once we have the root node - start acccessing it's joint components
+ const int jointCnt = mJointMap.size();
+ JointMap :: const_iterator jointIt = mJointMap.begin();
+
+ //Loop over all the possible joints within the .dae - using the allowed joint list in the ctor.
+ for ( int i=0; i<jointCnt; ++i, ++jointIt )
+ {
+ //Build a joint for the resolver to work with
+ char str[64]={0};
+ sprintf(str,"./%s",(*jointIt).first.c_str() );
+ //LL_WARNS()<<"Joint "<< str <<LL_ENDL;
+
+ //Setup the resolver
+ daeSIDResolver resolver( pSkeletonRootNode, str );
+
+ //Look for the joint
+ domNode* pJoint = daeSafeCast<domNode>( resolver.getElement() );
+ if ( pJoint )
+ {
+ // FIXME this has a lot of overlap with processJointNode(), would be nice to refactor.
+
+ //Pull out the translate id and store it in the jointTranslations map
+ daeSIDResolver jointResolverA( pJoint, "./translate" );
+ domTranslate* pTranslateA = daeSafeCast<domTranslate>( jointResolverA.getElement() );
+ daeSIDResolver jointResolverB( pJoint, "./location" );
+ domTranslate* pTranslateB = daeSafeCast<domTranslate>( jointResolverB.getElement() );
+
+ LLMatrix4 workingTransform;
+
+ //Translation via SID
+ if ( pTranslateA )
+ {
+ extractTranslation( pTranslateA, workingTransform );
+ }
+ else
+ {
+ if ( pTranslateB )
+ {
+ extractTranslation( pTranslateB, workingTransform );
+ }
+ else
+ {
+ //Translation via child from element
+ daeElement* pTranslateElement = getChildFromElement( pJoint, "translate" );
+ if ( pTranslateElement && pTranslateElement->typeID() != domTranslate::ID() )
+ {
+ LL_WARNS()<< "The found element is not a translate node" <<LL_ENDL;
+ missingSkeletonOrScene = true;
+ }
+ else
+ if ( pTranslateElement )
+ {
+ extractTranslationViaElement( pTranslateElement, workingTransform );
+ }
+ else
+ {
+ extractTranslationViaSID( pJoint, workingTransform );
+ }
+
+ }
+ }
+
+ //Store the joint transform w/respect to its name.
+ mJointList[(*jointIt).second.c_str()] = workingTransform;
+ }
+ }
+
+ //If anything failed in regards to extracting the skeleton, joints or translation id,
+ //mention it
+ if ( missingSkeletonOrScene )
+ {
+ LL_WARNS()<< "Partial jointmap found in asset - did you mean to just have a partial map?" << LL_ENDL;
+ }
+ }//got skeleton?
+ }
+
+
+ domSkin::domJoints* joints = skin->getJoints();
+
+ domInputLocal_Array& joint_input = joints->getInput_array();
+
+ for (size_t i = 0; i < joint_input.getCount(); ++i)
+ {
+ domInputLocal* input = joint_input.get(i);
+ xsNMTOKEN semantic = input->getSemantic();
+
+ if (strcmp(semantic, COMMON_PROFILE_INPUT_JOINT) == 0)
+ { //found joint source, fill model->mJointMap and model->mSkinInfo.mJointNames
+ daeElement* elem = input->getSource().getElement();
+
+ domSource* source = daeSafeCast<domSource>(elem);
+ if (source)
+ {
+
+
+ domName_array* names_source = source->getName_array();
+
+ if (names_source)
+ {
+ domListOfNames &names = names_source->getValue();
+
+ for (size_t j = 0; j < names.getCount(); ++j)
+ {
+ std::string name(names.get(j));
+ if (mJointMap.find(name) != mJointMap.end())
+ {
+ name = mJointMap[name];
+ }
+ model->mSkinInfo.mJointNames.push_back(name);
+ model->mSkinInfo.mJointNums.push_back(-1);
+ }
+ }
+ else
+ {
+ domIDREF_array* names_source = source->getIDREF_array();
+ if (names_source)
+ {
+ xsIDREFS& names = names_source->getValue();
+
+ for (size_t j = 0; j < names.getCount(); ++j)
+ {
+ std::string name(names.get(j).getID());
+ if (mJointMap.find(name) != mJointMap.end())
+ {
+ name = mJointMap[name];
+ }
+ model->mSkinInfo.mJointNames.push_back(name);
+ model->mSkinInfo.mJointNums.push_back(-1);
+ }
+ }
+ }
+ }
+ }
+ else if (strcmp(semantic, COMMON_PROFILE_INPUT_INV_BIND_MATRIX) == 0)
+ { //found inv_bind_matrix array, fill model->mInvBindMatrix
+ domSource* source = daeSafeCast<domSource>(input->getSource().getElement());
+ if (source)
+ {
+ domFloat_array* t = source->getFloat_array();
+ if (t)
+ {
+ domListOfFloats& transform = t->getValue();
+ S32 count = transform.getCount()/16;
+
+ for (S32 k = 0; k < count; ++k)
+ {
+ LLMatrix4 mat;
+
+ for (int i = 0; i < 4; i++)
+ {
+ for(int j = 0; j < 4; j++)
+ {
+ mat.mMatrix[i][j] = transform[k*16 + i + j*4];
+ }
+ }
+ model->mSkinInfo.mInvBindMatrix.push_back(LLMatrix4a(mat));
+ }
+ }
+ }
+ }
+ }
+
+ //Now that we've parsed the joint array, let's determine if we have a full rig
+ //(which means we have all the joint sthat are required for an avatar versus
+ //a skinned asset attached to a node in a file that contains an entire skeleton,
+ //but does not use the skeleton).
+ buildJointToNodeMappingFromScene( root );
+ critiqueRigForUploadApplicability( model->mSkinInfo.mJointNames );
+
+ if ( !missingSkeletonOrScene )
+ {
+ // FIXME: mesh_id is used to determine which mesh gets to
+ // set the joint offset, in the event of a conflict. Since
+ // we don't know the mesh id yet, we can't guarantee that
+ // joint offsets will be applied with the same priority as
+ // in the uploaded model. If the file contains multiple
+ // meshes with conflicting joint offsets, preview may be
+ // incorrect.
+ LLUUID fake_mesh_id;
+ fake_mesh_id.generate();
+
+ //Set the joint translations on the avatar
+ JointMap :: const_iterator masterJointIt = mJointMap.begin();
+ JointMap :: const_iterator masterJointItEnd = mJointMap.end();
+ for (;masterJointIt!=masterJointItEnd;++masterJointIt )
+ {
+ std::string lookingForJoint = (*masterJointIt).first.c_str();
+
+ if ( mJointList.find( lookingForJoint ) != mJointList.end() )
+ {
+ //LL_INFOS()<<"joint "<<lookingForJoint.c_str()<<LL_ENDL;
+ LLMatrix4 jointTransform = mJointList[lookingForJoint];
+ LLJoint* pJoint = mJointLookupFunc(lookingForJoint,mOpaqueData);
+ if ( pJoint )
+ {
+ const LLVector3& joint_pos = jointTransform.getTranslation();
+ if (pJoint->aboveJointPosThreshold(joint_pos))
+ {
+ bool override_changed; // not used
+ pJoint->addAttachmentPosOverride(joint_pos, fake_mesh_id, "", override_changed);
+ if (model->mSkinInfo.mLockScaleIfJointPosition)
+ {
+ pJoint->addAttachmentScaleOverride(pJoint->getDefaultScale(), fake_mesh_id, "");
+ }
+ }
+ }
+ else
+ {
+ //Most likely an error in the asset.
+ LL_WARNS()<<"Tried to apply joint position from .dae, but it did not exist in the avatar rig." << LL_ENDL;
+ }
+ }
+ }
+ } //missingSkeletonOrScene
+
+ //We need to construct the alternate bind matrix (which contains the new joint positions)
+ //in the same order as they were stored in the joint buffer. The joints associated
+ //with the skeleton are not stored in the same order as they are in the exported joint buffer.
+ //This remaps the skeletal joints to be in the same order as the joints stored in the model.
+ std::vector<std::string> :: const_iterator jointIt = model->mSkinInfo.mJointNames.begin();
+ const int jointCnt = model->mSkinInfo.mJointNames.size();
+ for ( int i=0; i<jointCnt; ++i, ++jointIt )
+ {
+ std::string lookingForJoint = (*jointIt).c_str();
+ //Look for the joint xform that we extracted from the skeleton, using the jointIt as the key
+ //and store it in the alternate bind matrix
+ if (mJointMap.find(lookingForJoint) != mJointMap.end()
+ && model->mSkinInfo.mInvBindMatrix.size() > i)
+ {
+ LLMatrix4 newInverse = LLMatrix4(model->mSkinInfo.mInvBindMatrix[i].getF32ptr());
+ newInverse.setTranslation( mJointList[lookingForJoint].getTranslation() );
+ model->mSkinInfo.mAlternateBindMatrix.push_back( LLMatrix4a(newInverse) );
+ }
+ else
+ {
+ LL_DEBUGS("Mesh")<<"Possibly misnamed/missing joint [" <<lookingForJoint.c_str()<<"] "<<LL_ENDL;
+ }
+ }
+
+ U32 bind_count = model->mSkinInfo.mAlternateBindMatrix.size();
+ if (bind_count > 0 && bind_count != jointCnt)
+ {
+ LL_WARNS("Mesh") << "Model " << model->mLabel << " has invalid joint bind matrix list." << LL_ENDL;
+ }
+
+ //grab raw position array
+
+ domVertices* verts = mesh->getVertices();
+ if (verts)
+ {
+ domInputLocal_Array& inputs = verts->getInput_array();
+ for (size_t i = 0; i < inputs.getCount() && model->mPosition.empty(); ++i)
+ {
+ if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_POSITION) == 0)
+ {
+ domSource* pos_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement());
+ if (pos_source)
+ {
+ domFloat_array* pos_array = pos_source->getFloat_array();
+ if (pos_array)
+ {
+ domListOfFloats& pos = pos_array->getValue();
+
+ for (size_t j = 0; j < pos.getCount(); j += 3)
+ {
+ if (pos.getCount() <= j+2)
+ {
+ LL_ERRS() << "Invalid position array size." << LL_ENDL;
+ }
+
+ LLVector3 v(pos[j], pos[j+1], pos[j+2]);
+
+ //transform from COLLADA space to volume space
+ v = v * inverse_normalized_transformation;
+
+ model->mPosition.push_back(v);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ //grab skin weights array
+ domSkin::domVertex_weights* weights = skin->getVertex_weights();
+ if (weights)
+ {
+ domInputLocalOffset_Array& inputs = weights->getInput_array();
+ domFloat_array* vertex_weights = NULL;
+ for (size_t i = 0; i < inputs.getCount(); ++i)
+ {
+ if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_WEIGHT) == 0)
+ {
+ domSource* weight_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement());
+ if (weight_source)
+ {
+ vertex_weights = weight_source->getFloat_array();
+ }
+ }
+ }
+
+ if (vertex_weights)
+ {
+ domListOfFloats& w = vertex_weights->getValue();
+ domListOfUInts& vcount = weights->getVcount()->getValue();
+ domListOfInts& v = weights->getV()->getValue();
+
+ U32 c_idx = 0;
+ for (size_t vc_idx = 0; vc_idx < vcount.getCount(); ++vc_idx)
+ { //for each vertex
+ daeUInt count = vcount[vc_idx];
+
+ //create list of weights that influence this vertex
+ LLModel::weight_list weight_list;
+
+ for (daeUInt i = 0; i < count; ++i)
+ { //for each weight
+ daeInt joint_idx = v[c_idx++];
+ daeInt weight_idx = v[c_idx++];
+
+ if (joint_idx == -1)
+ {
+ //ignore bindings to bind_shape_matrix
+ continue;
+ }
+
+ F32 weight_value = w[weight_idx];
+
+ weight_list.push_back(LLModel::JointWeight(joint_idx, weight_value));
+ }
+
+ //sort by joint weight
+ std::sort(weight_list.begin(), weight_list.end(), LLModel::CompareWeightGreater());
+
+ std::vector<LLModel::JointWeight> wght;
+
+ F32 total = 0.f;
+
+ for (U32 i = 0; i < llmin((U32) 4, (U32) weight_list.size()); ++i)
+ { //take up to 4 most significant weights
+ if (weight_list[i].mWeight > 0.f)
+ {
+ wght.push_back( weight_list[i] );
+ total += weight_list[i].mWeight;
+ }
+ }
+
+ F32 scale = 1.f/total;
+ if (scale != 1.f)
+ { //normalize weights
+ for (U32 i = 0; i < wght.size(); ++i)
+ {
+ wght[i].mWeight *= scale;
+ }
+ }
+
+ model->mSkinWeights[model->mPosition[vc_idx]] = wght;
+ }
+ }
+
+ }
+
+ //add instance to scene for this model
+
+ LLMatrix4 transformation;
+ transformation.initScale(mesh_scale_vector);
+ transformation.setTranslation(mesh_translation_vector);
+ transformation *= mTransform;
+
+ std::map<std::string, LLImportMaterial> materials;
+ for (U32 i = 0; i < model->mMaterialList.size(); ++i)
+ {
+ materials[model->mMaterialList[i]] = LLImportMaterial();
+ }
+ mScene[transformation].push_back(LLModelInstance(model, model->mLabel, transformation, materials));
+ stretch_extents(model, transformation, mExtents[0], mExtents[1], mFirstTransform);
+ }
+}
+
+//-----------------------------------------------------------------------------
+// buildJointToNodeMappingFromScene()
+//-----------------------------------------------------------------------------
+void LLDAELoader::buildJointToNodeMappingFromScene( daeElement* pRoot )
+{
+ daeElement* pScene = pRoot->getDescendant("visual_scene");
+ if ( pScene )
+ {
+ daeTArray< daeSmartRef<daeElement> > children = pScene->getChildren();
+ S32 childCount = children.getCount();
+ for (S32 i = 0; i < childCount; ++i)
+ {
+ domNode* pNode = daeSafeCast<domNode>(children[i]);
+ processJointToNodeMapping( pNode );
+ }
+ }
+}
+//-----------------------------------------------------------------------------
+// processJointToNodeMapping()
+//-----------------------------------------------------------------------------
+void LLDAELoader::processJointToNodeMapping( domNode* pNode )
+{
+ if ( isNodeAJoint( pNode ) )
+ {
+ //1.Store the parent
+ std::string nodeName = pNode->getName();
+ if ( !nodeName.empty() )
+ {
+ mJointsFromNode.push_front( pNode->getName() );
+ }
+ //2. Handle the kiddo's
+ processChildJoints( pNode );
+ }
+ else
+ {
+ //Determine if the're any children wrt to this failed node.
+ //This occurs when an armature is exported and ends up being what essentially amounts to
+ //as the root for the visual_scene
+ if ( pNode )
+ {
+ processChildJoints( pNode );
+ }
+ else
+ {
+ LL_INFOS()<<"Node is NULL"<<LL_ENDL;
+ }
+
+ }
+}
+//-----------------------------------------------------------------------------
+// processChildJoint()
+//-----------------------------------------------------------------------------
+void LLDAELoader::processChildJoints( domNode* pParentNode )
+{
+ daeTArray< daeSmartRef<daeElement> > childOfChild = pParentNode->getChildren();
+ S32 childOfChildCount = childOfChild.getCount();
+ for (S32 i = 0; i < childOfChildCount; ++i)
+ {
+ domNode* pChildNode = daeSafeCast<domNode>( childOfChild[i] );
+ if ( pChildNode )
+ {
+ processJointToNodeMapping( pChildNode );
+ }
+ }
+}
+
+//-----------------------------------------------------------------------------
+// isNodeAJoint()
+//-----------------------------------------------------------------------------
+bool LLDAELoader::isNodeAJoint( domNode* pNode )
+{
+ if ( !pNode || !pNode->getName() )
+ {
+ LL_INFOS()<<"Created node is NULL or invalid"<<LL_ENDL;
+ return false;
+ }
+
+ return LLModelLoader::isNodeAJoint(pNode->getName());
+}
+//-----------------------------------------------------------------------------
+// verifyCount
+//-----------------------------------------------------------------------------
+bool LLDAELoader::verifyCount( int expected, int result )
+{
+ if ( expected != result )
+ {
+ LL_INFOS()<< "Error: (expected/got)"<<expected<<"/"<<result<<"verts"<<LL_ENDL;
+ return false;
+ }
+ return true;
+}
+//-----------------------------------------------------------------------------
+// verifyController
+//-----------------------------------------------------------------------------
+bool LLDAELoader::verifyController( domController* pController )
+{
+
+ bool result = true;
+
+ domSkin* pSkin = pController->getSkin();
+
+ if ( pSkin )
+ {
+ xsAnyURI & uri = pSkin->getSource();
+ domElement* pElement = uri.getElement();
+
+ if ( !pElement )
+ {
+ LL_INFOS()<<"Can't resolve skin source"<<LL_ENDL;
+ return false;
+ }
+
+ daeString type_str = pElement->getTypeName();
+ if ( stricmp(type_str, "geometry") == 0 )
+ {
+ //Skin is reference directly by geometry and get the vertex count from skin
+ domSkin::domVertex_weights* pVertexWeights = pSkin->getVertex_weights();
+ U32 vertexWeightsCount = pVertexWeights->getCount();
+ domGeometry* pGeometry = (domGeometry*) (domElement*) uri.getElement();
+ domMesh* pMesh = pGeometry->getMesh();
+
+ if ( pMesh )
+ {
+ //Get vertex count from geometry
+ domVertices* pVertices = pMesh->getVertices();
+ if ( !pVertices )
+ {
+ LL_INFOS()<<"No vertices!"<<LL_ENDL;
+ return false;
+ }
+
+ if ( pVertices )
+ {
+ xsAnyURI src = pVertices->getInput_array()[0]->getSource();
+ domSource* pSource = (domSource*) (domElement*) src.getElement();
+ U32 verticesCount = pSource->getTechnique_common()->getAccessor()->getCount();
+ result = verifyCount( verticesCount, vertexWeightsCount );
+ if ( !result )
+ {
+ return result;
+ }
+ }
+ }
+
+ U32 vcountCount = (U32) pVertexWeights->getVcount()->getValue().getCount();
+ result = verifyCount( vcountCount, vertexWeightsCount );
+ if ( !result )
+ {
+ return result;
+ }
+
+ domInputLocalOffset_Array& inputs = pVertexWeights->getInput_array();
+ U32 sum = 0;
+ for (size_t i=0; i<vcountCount; i++)
+ {
+ sum += pVertexWeights->getVcount()->getValue()[i];
+ }
+ result = verifyCount( sum * inputs.getCount(), (domInt) pVertexWeights->getV()->getValue().getCount() );
+ }
+ }
+
+ return result;
+}
+
+//-----------------------------------------------------------------------------
+// extractTranslation()
+//-----------------------------------------------------------------------------
+void LLDAELoader::extractTranslation( domTranslate* pTranslate, LLMatrix4& transform )
+{
+ domFloat3 jointTrans = pTranslate->getValue();
+ LLVector3 singleJointTranslation( jointTrans[0], jointTrans[1], jointTrans[2] );
+ transform.setTranslation( singleJointTranslation );
+}
+//-----------------------------------------------------------------------------
+// extractTranslationViaElement()
+//-----------------------------------------------------------------------------
+void LLDAELoader::extractTranslationViaElement( daeElement* pTranslateElement, LLMatrix4& transform )
+{
+ if ( pTranslateElement )
+ {
+ domTranslate* pTranslateChild = static_cast<domTranslate*>( pTranslateElement );
+ domFloat3 translateChild = pTranslateChild->getValue();
+ LLVector3 singleJointTranslation( translateChild[0], translateChild[1], translateChild[2] );
+ transform.setTranslation( singleJointTranslation );
+ }
+}
+//-----------------------------------------------------------------------------
+// extractTranslationViaSID()
+//-----------------------------------------------------------------------------
+void LLDAELoader::extractTranslationViaSID( daeElement* pElement, LLMatrix4& transform )
+{
+ if ( pElement )
+ {
+ daeSIDResolver resolver( pElement, "./transform" );
+ domMatrix* pMatrix = daeSafeCast<domMatrix>( resolver.getElement() );
+ //We are only extracting out the translational component atm
+ LLMatrix4 workingTransform;
+ if ( pMatrix )
+ {
+ domFloat4x4 domArray = pMatrix->getValue();
+ for ( int i = 0; i < 4; i++ )
+ {
+ for( int j = 0; j < 4; j++ )
+ {
+ workingTransform.mMatrix[i][j] = domArray[i + j*4];
+ }
+ }
+ LLVector3 trans = workingTransform.getTranslation();
+ transform.setTranslation( trans );
+ }
+ }
+ else
+ {
+ LL_WARNS()<<"Element is nonexistent - empty/unsupported node."<<LL_ENDL;
+ }
+}
+//-----------------------------------------------------------------------------
+// processJointNode()
+//-----------------------------------------------------------------------------
+void LLDAELoader::processJointNode( domNode* pNode, JointTransformMap& jointTransforms )
+{
+ if (pNode->getName() == NULL)
+ {
+ LL_WARNS() << "nameless node, can't process" << LL_ENDL;
+ return;
+ }
+
+ //LL_WARNS()<<"ProcessJointNode# Node:" <<pNode->getName()<<LL_ENDL;
+
+ //1. handle the incoming node - extract out translation via SID or element
+ if (isNodeAJoint(pNode))
+ {
+ LLMatrix4 workingTransform;
+
+ //Pull out the translate id and store it in the jointTranslations map
+ daeSIDResolver jointResolverA(pNode, "./translate");
+ domTranslate* pTranslateA = daeSafeCast<domTranslate>(jointResolverA.getElement());
+ daeSIDResolver jointResolverB(pNode, "./location");
+ domTranslate* pTranslateB = daeSafeCast<domTranslate>(jointResolverB.getElement());
+
+ //Translation via SID was successful
+ if (pTranslateA)
+ {
+ extractTranslation(pTranslateA, workingTransform);
+ }
+ else
+ if (pTranslateB)
+ {
+ extractTranslation(pTranslateB, workingTransform);
+ }
+ else
+ {
+ //Translation via child from element
+ daeElement* pTranslateElement = getChildFromElement(pNode, "translate");
+ if (!pTranslateElement || pTranslateElement->typeID() != domTranslate::ID())
+ {
+ //LL_WARNS()<< "The found element is not a translate node" <<LL_ENDL;
+ daeSIDResolver jointResolver(pNode, "./matrix");
+ domMatrix* pMatrix = daeSafeCast<domMatrix>(jointResolver.getElement());
+ if (pMatrix)
+ {
+ //LL_INFOS()<<"A matrix SID was however found!"<<LL_ENDL;
+ domFloat4x4 domArray = pMatrix->getValue();
+ for (int i = 0; i < 4; i++)
+ {
+ for (int j = 0; j < 4; j++)
+ {
+ workingTransform.mMatrix[i][j] = domArray[i + j * 4];
+ }
+ }
+ }
+ else
+ {
+ LL_WARNS() << "The found element is not translate or matrix node - most likely a corrupt export!" << LL_ENDL;
+ }
+ }
+ else
+ {
+ extractTranslationViaElement(pTranslateElement, workingTransform);
+ }
+ }
+
+ //Store the working transform relative to the nodes name.
+ jointTransforms[pNode->getName()] = workingTransform;
+ }
+
+ //2. handle the nodes children
+
+ //Gather and handle the incoming nodes children
+ daeTArray< daeSmartRef<daeElement> > childOfChild = pNode->getChildren();
+ S32 childOfChildCount = childOfChild.getCount();
+
+ for (S32 i = 0; i < childOfChildCount; ++i)
+ {
+ domNode* pChildNode = daeSafeCast<domNode>( childOfChild[i] );
+ if ( pChildNode )
+ {
+ processJointNode( pChildNode, jointTransforms );
+ }
+ }
+}
+//-----------------------------------------------------------------------------
+// getChildFromElement()
+//-----------------------------------------------------------------------------
+daeElement* LLDAELoader::getChildFromElement( daeElement* pElement, std::string const & name )
+{
+ daeElement* pChildOfElement = pElement->getChild( name.c_str() );
+ if ( pChildOfElement )
+ {
+ return pChildOfElement;
+ }
+ LL_DEBUGS("Mesh")<< "Could not find a child [" << name << "] for the element: \"" << pElement->getAttribute("id") << "\"" << LL_ENDL;
+ return NULL;
+}
+
+void LLDAELoader::processElement( daeElement* element, bool& badElement, DAE* dae)
+{
+ LLMatrix4 saved_transform;
+ bool pushed_mat = false;
+
+ domNode* node = daeSafeCast<domNode>(element);
+ if (node)
+ {
+ pushed_mat = true;
+ saved_transform = mTransform;
+ }
+
+ domTranslate* translate = daeSafeCast<domTranslate>(element);
+ if (translate)
+ {
+ domFloat3 dom_value = translate->getValue();
+
+ LLMatrix4 translation;
+ translation.setTranslation(LLVector3(dom_value[0], dom_value[1], dom_value[2]));
+
+ translation *= mTransform;
+ mTransform = translation;
+ mTransform.condition();
+ }
+
+ domRotate* rotate = daeSafeCast<domRotate>(element);
+ if (rotate)
+ {
+ domFloat4 dom_value = rotate->getValue();
+
+ LLMatrix4 rotation;
+ rotation.initRotTrans(dom_value[3] * DEG_TO_RAD, LLVector3(dom_value[0], dom_value[1], dom_value[2]), LLVector3(0, 0, 0));
+
+ rotation *= mTransform;
+ mTransform = rotation;
+ mTransform.condition();
+ }
+
+ domScale* scale = daeSafeCast<domScale>(element);
+ if (scale)
+ {
+ domFloat3 dom_value = scale->getValue();
+
+
+ LLVector3 scale_vector = LLVector3(dom_value[0], dom_value[1], dom_value[2]);
+ scale_vector.abs(); // Set all values positive, since we don't currently support mirrored meshes
+ LLMatrix4 scaling;
+ scaling.initScale(scale_vector);
+
+ scaling *= mTransform;
+ mTransform = scaling;
+ mTransform.condition();
+ }
+
+ domMatrix* matrix = daeSafeCast<domMatrix>(element);
+ if (matrix)
+ {
+ domFloat4x4 dom_value = matrix->getValue();
+
+ LLMatrix4 matrix_transform;
+
+ for (int i = 0; i < 4; i++)
+ {
+ for(int j = 0; j < 4; j++)
+ {
+ matrix_transform.mMatrix[i][j] = dom_value[i + j*4];
+ }
+ }
+
+ matrix_transform *= mTransform;
+ mTransform = matrix_transform;
+ mTransform.condition();
+ }
+
+ domInstance_geometry* instance_geo = daeSafeCast<domInstance_geometry>(element);
+ if (instance_geo)
+ {
+ domGeometry* geo = daeSafeCast<domGeometry>(instance_geo->getUrl().getElement());
+ if (geo)
+ {
+ domMesh* mesh = daeSafeCast<domMesh>(geo->getDescendant(daeElement::matchType(domMesh::ID())));
+ if (mesh)
+ {
+
+ std::vector< LLPointer< LLModel > >::iterator i = mModelsMap[mesh].begin();
+ while (i != mModelsMap[mesh].end())
+ {
+ LLModel* model = *i;
+
+ LLMatrix4 transformation = mTransform;
+
+ if (mTransform.determinant() < 0)
+ { //negative scales are not supported
+ LL_INFOS() << "Negative scale detected, unsupported transform. domInstance_geometry: " << getElementLabel(instance_geo) << LL_ENDL;
+ LLSD args;
+ args["Message"] = "NegativeScaleTrans";
+ args["LABEL"] = getElementLabel(instance_geo);
+ mWarningsArray.append(args);
+
+ badElement = true;
+ }
+
+ LLModelLoader::material_map materials = getMaterials(model, instance_geo, dae);
+
+ // adjust the transformation to compensate for mesh normalization
+ LLVector3 mesh_scale_vector;
+ LLVector3 mesh_translation_vector;
+ model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+
+ LLMatrix4 mesh_translation;
+ mesh_translation.setTranslation(mesh_translation_vector);
+ mesh_translation *= transformation;
+ transformation = mesh_translation;
+
+ LLMatrix4 mesh_scale;
+ mesh_scale.initScale(mesh_scale_vector);
+ mesh_scale *= transformation;
+ transformation = mesh_scale;
+
+ if (transformation.determinant() < 0)
+ { //negative scales are not supported
+ LL_INFOS() << "Negative scale detected, unsupported post-normalization transform. domInstance_geometry: " << getElementLabel(instance_geo) << LL_ENDL;
+ LLSD args;
+ args["Message"] = "NegativeScaleNormTrans";
+ args["LABEL"] = getElementLabel(instance_geo);
+ mWarningsArray.append(args);
+ badElement = true;
+ }
+
+ std::string label;
+
+ if (model->mLabel.empty())
+ {
+ label = getLodlessLabel(instance_geo);
+
+ llassert(!label.empty());
+
+ if (model->mSubmodelID)
+ {
+ label += (char)((int)'a' + model->mSubmodelID);
+ }
+
+ model->mLabel = label + lod_suffix[mLod];
+ }
+ else
+ {
+ // Don't change model's name if possible, it will play havoc with scenes that already use said model.
+ size_t ext_pos = getSuffixPosition(model->mLabel);
+ if (ext_pos != -1)
+ {
+ label = model->mLabel.substr(0, ext_pos);
+ }
+ else
+ {
+ label = model->mLabel;
+ }
+ }
+
+ mScene[transformation].push_back(LLModelInstance(model, label, transformation, materials));
+ stretch_extents(model, transformation, mExtents[0], mExtents[1], mFirstTransform);
+ i++;
+ }
+ }
+ }
+ else
+ {
+ LL_INFOS()<<"Unable to resolve geometry URL."<<LL_ENDL;
+ LLSD args;
+ args["Message"] = "CantResolveGeometryUrl";
+ mWarningsArray.append(args);
+ badElement = true;
+ }
+
+ }
+
+ domInstance_node* instance_node = daeSafeCast<domInstance_node>(element);
+ if (instance_node)
+ {
+ daeElement* instance = instance_node->getUrl().getElement();
+ if (instance)
+ {
+ processElement(instance,badElement, dae);
+ }
+ }
+
+ //process children
+ daeTArray< daeSmartRef<daeElement> > children = element->getChildren();
+ int childCount = children.getCount();
+ for (S32 i = 0; i < childCount; i++)
+ {
+ processElement(children[i],badElement, dae);
+ }
+
+ if (pushed_mat)
+ { //this element was a node, restore transform before processiing siblings
+ mTransform = saved_transform;
+ }
+}
+
+std::map<std::string, LLImportMaterial> LLDAELoader::getMaterials(LLModel* model, domInstance_geometry* instance_geo, DAE* dae)
+{
+ std::map<std::string, LLImportMaterial> materials;
+ for (int i = 0; i < model->mMaterialList.size(); i++)
+ {
+ LLImportMaterial import_material;
+
+ domInstance_material* instance_mat = NULL;
+
+ domBind_material::domTechnique_common* technique =
+ daeSafeCast<domBind_material::domTechnique_common>(instance_geo->getDescendant(daeElement::matchType(domBind_material::domTechnique_common::ID())));
+
+ if (technique)
+ {
+ daeTArray< daeSmartRef<domInstance_material> > inst_materials = technique->getChildrenByType<domInstance_material>();
+ for (int j = 0; j < inst_materials.getCount(); j++)
+ {
+ std::string symbol(inst_materials[j]->getSymbol());
+
+ if (symbol == model->mMaterialList[i]) // found the binding
+ {
+ instance_mat = inst_materials[j];
+ break;
+ }
+ }
+ }
+
+ if (instance_mat)
+ {
+ domMaterial* material = daeSafeCast<domMaterial>(instance_mat->getTarget().getElement());
+ if (material)
+ {
+ domInstance_effect* instance_effect =
+ daeSafeCast<domInstance_effect>(material->getDescendant(daeElement::matchType(domInstance_effect::ID())));
+ if (instance_effect)
+ {
+ domEffect* effect = daeSafeCast<domEffect>(instance_effect->getUrl().getElement());
+ if (effect)
+ {
+ domProfile_COMMON* profile =
+ daeSafeCast<domProfile_COMMON>(effect->getDescendant(daeElement::matchType(domProfile_COMMON::ID())));
+ if (profile)
+ {
+ import_material = profileToMaterial(profile, dae);
+ }
+ }
+ }
+ }
+ }
+
+ import_material.mBinding = model->mMaterialList[i];
+ materials[model->mMaterialList[i]] = import_material;
+ }
+
+ return materials;
+}
+
+LLImportMaterial LLDAELoader::profileToMaterial(domProfile_COMMON* material, DAE* dae)
+{
+ LLImportMaterial mat;
+ mat.mFullbright = false;
+
+ daeElement* diffuse = material->getDescendant("diffuse");
+ if (diffuse)
+ {
+ domCommon_color_or_texture_type_complexType::domTexture* texture =
+ daeSafeCast<domCommon_color_or_texture_type_complexType::domTexture>(diffuse->getDescendant("texture"));
+ if (texture)
+ {
+ domCommon_newparam_type_Array newparams = material->getNewparam_array();
+ if (newparams.getCount())
+ {
+
+ for (S32 i = 0; i < newparams.getCount(); i++)
+ {
+ domFx_surface_common* surface = newparams[i]->getSurface();
+ if (surface)
+ {
+ domFx_surface_init_common* init = surface->getFx_surface_init_common();
+ if (init)
+ {
+ domFx_surface_init_from_common_Array init_from = init->getInit_from_array();
+
+ if (init_from.getCount() > i)
+ {
+ domImage* image = daeSafeCast<domImage>(init_from[i]->getValue().getElement());
+ if (image)
+ {
+ // we only support init_from now - embedded data will come later
+ domImage::domInit_from* init = image->getInit_from();
+ if (init)
+ {
+ mat.mDiffuseMapFilename = cdom::uriToNativePath(init->getValue().str());
+ mat.mDiffuseMapLabel = getElementLabel(material);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ else if (texture->getTexture())
+ {
+ domImage* image = NULL;
+ dae->getDatabase()->getElement((daeElement**) &image, 0, texture->getTexture(), COLLADA_TYPE_IMAGE);
+ if (image)
+ {
+ // we only support init_from now - embedded data will come later
+ domImage::domInit_from* init = image->getInit_from();
+ if (init)
+ {
+ std::string image_path_value = cdom::uriToNativePath(init->getValue().str());
+
+#if LL_WINDOWS
+ // Work-around DOM tendency to resort to UNC names which are only confusing for downstream...
+ //
+ std::string::iterator i = image_path_value.begin();
+ while (*i == '\\')
+ i++;
+ mat.mDiffuseMapFilename.assign(i, image_path_value.end());
+#else
+ mat.mDiffuseMapFilename = image_path_value;
+#endif
+ mat.mDiffuseMapLabel = getElementLabel(material);
+ }
+ }
+ }
+ }
+
+ domCommon_color_or_texture_type_complexType::domColor* color =
+ daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(diffuse->getDescendant("color"));
+ if (color)
+ {
+ domFx_color_common domfx_color = color->getValue();
+ LLColor4 value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);
+ mat.mDiffuseColor = value;
+ }
+ }
+
+ daeElement* emission = material->getDescendant("emission");
+ if (emission)
+ {
+ LLColor4 emission_color = getDaeColor(emission);
+ if (((emission_color[0] + emission_color[1] + emission_color[2]) / 3.0) > 0.25)
+ {
+ mat.mFullbright = true;
+ }
+ }
+
+ return mat;
+}
+
+// try to get a decent label for this element
+std::string LLDAELoader::getElementLabel(daeElement *element)
+{
+ // if we have a name attribute, use it
+ std::string name = element->getAttribute("name");
+ if (name.length())
+ {
+ return name;
+ }
+
+ // if we have an ID attribute, use it
+ if (element->getID())
+ {
+ return std::string(element->getID());
+ }
+
+ // if we have a parent, use it
+ daeElement* parent = element->getParent();
+ std::string index_string;
+ if (parent)
+ {
+ // retrieve index to distinguish items inside same parent
+ size_t ind = 0;
+ parent->getChildren().find(element, ind);
+
+ if (ind > 0)
+ {
+ index_string = "_" + std::to_string(ind);
+ }
+
+ // if parent has a name or ID, use it
+ std::string name = parent->getAttribute("name");
+ if (!name.length())
+ {
+ name = std::string(parent->getID());
+ }
+
+ if (name.length())
+ {
+ // make sure that index won't mix up with pre-named lod extensions
+ size_t ext_pos = getSuffixPosition(name);
+
+ if (ext_pos == -1)
+ {
+ return name + index_string;
+ }
+ else
+ {
+ return name.insert(ext_pos, index_string);
+ }
+ }
+ }
+
+ // try to use our type
+ daeString element_name = element->getElementName();
+ if (element_name)
+ {
+ return std::string(element_name) + index_string;
+ }
+
+ // if all else fails, use "object"
+ return std::string("object") + index_string;
+}
+
+// static
+size_t LLDAELoader::getSuffixPosition(std::string label)
+{
+ if ((label.find("_LOD") != -1) || (label.find("_PHYS") != -1))
+ {
+ return label.rfind('_');
+ }
+ return -1;
+}
+
+// static
+std::string LLDAELoader::getLodlessLabel(daeElement *element)
+{
+ std::string label = getElementLabel(element);
+ size_t ext_pos = getSuffixPosition(label);
+ if (ext_pos != -1)
+ {
+ return label.substr(0, ext_pos);
+ }
+ return label;
+}
+
+LLColor4 LLDAELoader::getDaeColor(daeElement* element)
+{
+ LLColor4 value;
+ domCommon_color_or_texture_type_complexType::domColor* color =
+ daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(element->getDescendant("color"));
+ if (color)
+ {
+ domFx_color_common domfx_color = color->getValue();
+ value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);
+ }
+
+ return value;
+}
+
+bool LLDAELoader::addVolumeFacesFromDomMesh(LLModel* pModel,domMesh* mesh, LLSD& log_msg)
+{
+ LLModel::EModelStatus status = LLModel::NO_ERRORS;
+ domTriangles_Array& tris = mesh->getTriangles_array();
+
+ for (U32 i = 0; i < tris.getCount(); ++i)
+ {
+ domTrianglesRef& tri = tris.get(i);
+
+ status = load_face_from_dom_triangles(pModel->getVolumeFaces(), pModel->getMaterialList(), tri, log_msg);
+ pModel->mStatus = status;
+ if(status != LLModel::NO_ERRORS)
+ {
+ pModel->ClearFacesAndMaterials();
+ return false;
+ }
+ }
+
+ domPolylist_Array& polys = mesh->getPolylist_array();
+ for (U32 i = 0; i < polys.getCount(); ++i)
+ {
+ domPolylistRef& poly = polys.get(i);
+ status = load_face_from_dom_polylist(pModel->getVolumeFaces(), pModel->getMaterialList(), poly, log_msg);
+
+ if(status != LLModel::NO_ERRORS)
+ {
+ pModel->ClearFacesAndMaterials();
+ return false;
+ }
+ }
+
+ domPolygons_Array& polygons = mesh->getPolygons_array();
+
+ for (U32 i = 0; i < polygons.getCount(); ++i)
+ {
+ domPolygonsRef& poly = polygons.get(i);
+
+ status = load_face_from_dom_polygons(pModel->getVolumeFaces(), pModel->getMaterialList(), poly);
+
+ if(status != LLModel::NO_ERRORS)
+ {
+ pModel->ClearFacesAndMaterials();
+ return false;
+ }
+ }
+
+ return (status == LLModel::NO_ERRORS);
+}
+
+//static diff version supports creating multiple models when material counts spill
+// over the 8 face server-side limit
+//
+bool LLDAELoader::loadModelsFromDomMesh(domMesh* mesh, std::vector<LLModel*>& models_out, U32 submodel_limit)
+{
+
+ LLVolumeParams volume_params;
+ volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+
+ models_out.clear();
+
+ LLModel* ret = new LLModel(volume_params, 0.f);
+
+ std::string model_name = getLodlessLabel(mesh);
+ ret->mLabel = model_name + lod_suffix[mLod];
+
+ llassert(!ret->mLabel.empty());
+
+ // Like a monkey, ready to be shot into space
+ //
+ ret->ClearFacesAndMaterials();
+
+ // Get the whole set of volume faces
+ //
+ addVolumeFacesFromDomMesh(ret, mesh, mWarningsArray);
+
+ U32 volume_faces = ret->getNumVolumeFaces();
+
+ // Side-steps all manner of issues when splitting models
+ // and matching lower LOD materials to base models
+ //
+ ret->sortVolumeFacesByMaterialName();
+
+ bool normalized = false;
+
+ int submodelID = 0;
+
+ // remove all faces that definitely won't fit into one model and submodel limit
+ U32 face_limit = (submodel_limit + 1) * LL_SCULPT_MESH_MAX_FACES;
+ if (face_limit < volume_faces)
+ {
+ ret->setNumVolumeFaces(face_limit);
+ }
+
+ LLVolume::face_list_t remainder;
+ do
+ {
+ // Insure we do this once with the whole gang and not per-model
+ //
+ if (!normalized && !mNoNormalize)
+ {
+ normalized = true;
+ ret->normalizeVolumeFaces();
+ }
+
+ ret->trimVolumeFacesToSize(LL_SCULPT_MESH_MAX_FACES, &remainder);
+
+ // remove unused/redundant vertices after normalizing
+ if (!mNoOptimize)
+ {
+ ret->remapVolumeFaces();
+ }
+
+ volume_faces = remainder.size();
+
+ models_out.push_back(ret);
+
+ // If we have left-over volume faces, create another model
+ // to absorb them...
+ //
+ if (volume_faces)
+ {
+ LLModel* next = new LLModel(volume_params, 0.f);
+ next->mSubmodelID = ++submodelID;
+ next->mLabel = model_name + (char)((int)'a' + next->mSubmodelID) + lod_suffix[mLod];
+ next->getVolumeFaces() = remainder;
+ next->mNormalizedScale = ret->mNormalizedScale;
+ next->mNormalizedTranslation = ret->mNormalizedTranslation;
+
+ if ( ret->mMaterialList.size() > LL_SCULPT_MESH_MAX_FACES)
+ {
+ next->mMaterialList.assign(ret->mMaterialList.begin() + LL_SCULPT_MESH_MAX_FACES, ret->mMaterialList.end());
+ }
+ ret = next;
+ }
+
+ remainder.clear();
+
+ } while (volume_faces);
+
+ return true;
+}
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