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Diffstat (limited to 'indra/llprimitive/lldaeloader.cpp')
| -rw-r--r-- | indra/llprimitive/lldaeloader.cpp | 2432 |
1 files changed, 2432 insertions, 0 deletions
diff --git a/indra/llprimitive/lldaeloader.cpp b/indra/llprimitive/lldaeloader.cpp new file mode 100644 index 0000000000..24aed7b01b --- /dev/null +++ b/indra/llprimitive/lldaeloader.cpp @@ -0,0 +1,2432 @@ +/** + * @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 <boost/lexical_cast.hpp> + +#include "lldaeloader.h" +#include "llsdserialize.h" +#include "lljoint.h" + +#include "glh/glh_linear.h" +#include "llmatrix4a.h" + +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) +{ + 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) || !pos_source ) + { + return LLModel::BAD_ELEMENT; + } + + if (!pos_source) + { + LL_WARNS() << "Unable to process mesh without position data; invalid model; invalid model." << LL_ENDL; + 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(!pos_source->getFloat_array() || (v.getCount() == 0)) + { + return LLModel::BAD_ELEMENT; + } + + 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; + + 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 + // + if ((indices.size() % 3) && (indices[indices.size()-1] != shared_index)) + { + found = true; + indices.push_back(shared_index); + } + break; + } + } + } + + if (!found) + { + 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(); + 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) +{ + 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)) + { + 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(); + 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; + 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; + return LLModel::BAD_ELEMENT; + } + } + + if (tc_source) + { + cv.mTexCoord.setVec(tc[idx[cur_idx+tc_offset]*2+0], + tc[idx[cur_idx+tc_offset]*2+1]); + } + + 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; + 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) + { + 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(); + 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; + } + + 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++; + } + } + + //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; + 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]]; + 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& jointMap, + JointSet& jointsFromNodes, + U32 modelLimit) +: LLModelLoader( + filename, + lod, + load_cb, + joint_lookup_func, + texture_load_func, + state_cb, + opaque_userdata, + jointMap, + jointsFromNodes), +mGeneratedModelLimit(modelLimit) +{ +} + +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) +{ + //no suitable slm exists, load from the .dae file + DAE dae; + domCOLLADA* dom = dae.open(filename); + + if (!dom) + { + LL_INFOS() <<" Error with dae - traditionally indicates a corrupt file."<<LL_ENDL; + 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(mFilename); + if (!doc) + { + LL_WARNS() << "can't find internal doc" << LL_ENDL; + return false; + } + + daeElement* root = doc->getDomRoot(); + if (!root) + { + LL_WARNS() << "document has no root" << LL_ENDL; + 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) + { + 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++; + } + } + } + } + } + + daeElement* scene = root->getDescendant("visual_scene"); + + if (!scene) + { + LL_WARNS() << "document has no visual_scene" << LL_ENDL; + setLoadState( ERROR_PARSING ); + return true; + } + + setLoadState( DONE ); + + bool badElement = false; + + processElement( scene, badElement, &dae ); + + if ( badElement ) + { + setLoadState( ERROR_PARSING ); + } + + return true; +} + +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; + + for (int i = 0; i < 4; i++) + { + for(int j = 0; j < 4; j++) + { + skin_info.mBindShapeMatrix.mMatrix[i][j] = dom_value[i + j*4]; + } + } + + LLMatrix4 trans = normalized_transformation; + trans *= skin_info.mBindShapeMatrix; + skin_info.mBindShapeMatrix = trans; + } + + + //Some collada setup for accessing the skeleton + daeElement* pElement = 0; + dae->getDatabase()->getElement( &pElement, 0, 0, "skeleton" ); + + //Try to get at the skeletal instance controller + domInstance_controller::domSkeleton* pSkeleton = daeSafeCast<domInstance_controller::domSkeleton>( pElement ); + bool missingSkeletonOrScene = false; + + //If no skeleton, do a breadth-first search to get at specific joints + bool rootNode = false; + + //Need to test for a skeleton that does not have a root node + //This occurs when your instance controller does not have an associated scene + if ( pSkeleton ) + { + daeElement* pSkeletonRootNode = pSkeleton->getValue().getElement(); + if ( pSkeletonRootNode ) + { + rootNode = true; + } + + } + if ( !pSkeleton || !rootNode ) + { + 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 code be ambient lights, cameras, geometry etc.. + for (S32 i = 0; i < childCount; ++i) + { + domNode* pNode = daeSafeCast<domNode>(children[i]); + if ( isNodeAJoint( pNode ) ) + { + processJointNode( pNode, mJointList ); + } + } + } + } + else + //Has Skeleton + { + //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 ) + { + //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 it's 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.mJointMap[name] = j; + } + } + 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.mJointMap[name] = j; + } + } + } + } + } + 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(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 ) + { + //Set the joint translations on the avatar - if it's a full mapping + //The joints are reset in the dtor + if ( getRigWithSceneParity() ) + { + 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 ) + { + LLUUID fake_mesh_id; + fake_mesh_id.generate(); + pJoint->addAttachmentPosOverride( jointTransform.getTranslation(), 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 ( mJointList.find( lookingForJoint ) != mJointList.end() ) + { + LLMatrix4 jointTransform = mJointList[lookingForJoint]; + LLMatrix4 newInverse = model->mSkinInfo.mInvBindMatrix[i]; + newInverse.setTranslation( mJointList[lookingForJoint].getTranslation() ); + model->mSkinInfo.mAlternateBindMatrix.push_back( newInverse ); + } + else + { + LL_WARNS()<<"Possibly misnamed/missing joint [" <<lookingForJoint.c_str()<<" ] "<<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 ) + { + LL_INFOS()<<"Created node is NULL"<<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 = dynamic_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 + + 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_WARNS()<< "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; + 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; + 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; + 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); + index_string = "_" + boost::lexical_cast<std::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) +{ + 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); + 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); + + 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 +LLModel* LLDAELoader::loadModelFromDomMesh(domMesh *mesh) +{ + LLVolumeParams volume_params; + volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE); + LLModel* ret = new LLModel(volume_params, 0.f); + createVolumeFacesFromDomMesh(ret, mesh); + if (ret->mLabel.empty()) + { + ret->mLabel = getElementLabel(mesh); + } + return ret; +} + +//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); + + 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); + + if (!mNoOptimize) + { + ret->optimizeVolumeFaces(); + } + + 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; +} + +bool LLDAELoader::createVolumeFacesFromDomMesh(LLModel* pModel, domMesh* mesh) +{ + if (mesh) + { + pModel->ClearFacesAndMaterials(); + + addVolumeFacesFromDomMesh(pModel, mesh); + + if (pModel->getNumVolumeFaces() > 0) + { + pModel->normalizeVolumeFaces(); + pModel->optimizeVolumeFaces(); + + if (pModel->getNumVolumeFaces() > 0) + { + return true; + } + } + } + else + { + LL_WARNS() << "no mesh found" << LL_ENDL; + } + + return false; +} |