diff options
author | Gaia Clary <gaia.clary@machinimatrix.org> | 2013-03-03 17:53:32 +0400 |
---|---|---|
committer | Gaia Clary <gaia.clary@machinimatrix.org> | 2013-03-03 17:53:32 +0400 |
commit | 4774357b594c5cd5a38b21df131b539a197c101b (patch) | |
tree | 675450fb2851788da2ca3adea59c1bc8e07fd721 /source/blender | |
parent | ceaf8e48ef5fbdb7e45a06b84bf24365ec5c5ed1 (diff) |
Collada: exported normals now based on MPoly instead of MFace
Diffstat (limited to 'source/blender')
-rw-r--r-- | source/blender/collada/GeometryExporter.cpp | 104 | ||||
-rw-r--r-- | source/blender/collada/GeometryExporter.h | 9 | ||||
-rw-r--r-- | source/blender/collada/collada_utils.h | 17 |
3 files changed, 66 insertions, 64 deletions
diff --git a/source/blender/collada/GeometryExporter.cpp b/source/blender/collada/GeometryExporter.cpp index bb177cc0455..751628acf53 100644 --- a/source/blender/collada/GeometryExporter.cpp +++ b/source/blender/collada/GeometryExporter.cpp @@ -85,7 +85,7 @@ void GeometryExporter::operator()(Object *ob) std::string geom_id = get_geometry_id(ob, use_instantiation); std::vector<Normal> nor; - std::vector<Face> norind; + std::vector<BCPolygonNormalsIndices> norind; // Skip if linked geometry was already exported from another reference if (use_instantiation && @@ -130,7 +130,7 @@ void GeometryExporter::operator()(Object *ob) input_list.push_back(input); verts.add(); - createLooseEdgeList(ob, me, geom_id, norind); + createLooseEdgeList(ob, me, geom_id); // Only create Polylists if number of faces > 0 if (me->totface > 0) { @@ -174,7 +174,7 @@ void GeometryExporter::export_key_mesh(Object *ob, Mesh *me, KeyBlock *kb) { std::string geom_id = get_geometry_id(ob, false) + "_morph_" + translate_id(kb->name); std::vector<Normal> nor; - std::vector<Face> norind; + std::vector<BCPolygonNormalsIndices> norind; if (exportedGeometry.find(geom_id) != exportedGeometry.end()) { @@ -241,8 +241,7 @@ void GeometryExporter::export_key_mesh(Object *ob, Mesh *me, KeyBlock *kb) void GeometryExporter::createLooseEdgeList(Object *ob, Mesh *me, - std::string& geom_id, - std::vector<Face>& norind) + std::string& geom_id) { MEdge *medges = me->medge; @@ -298,7 +297,7 @@ void GeometryExporter::createPolylist(short material_index, Object *ob, Mesh *me, std::string& geom_id, - std::vector<Face>& norind) + std::vector<BCPolygonNormalsIndices>& norind) { MPoly *mpolys = me->mpoly; @@ -388,11 +387,11 @@ void GeometryExporter::createPolylist(short material_index, if (p->mat_nr == material_index) { MLoop *l = &mloops[p->loopstart]; - unsigned int *n = &norind[i].v1; + BCPolygonNormalsIndices normal_indices = norind[i]; for (int j = 0; j < loop_count; j++) { polylist.appendValues(l[j].v); - polylist.appendValues(n[j]); + polylist.appendValues(normal_indices[j]); if (has_uvs) polylist.appendValues(texindex + j); @@ -562,53 +561,55 @@ void GeometryExporter::createNormalsSource(std::string geom_id, Mesh *me, std::v source.finish(); } -void GeometryExporter::create_normals(std::vector<Normal> &nor, std::vector<Face> &ind, Mesh *me) +void GeometryExporter::create_normals(std::vector<Normal> &normals, std::vector<BCPolygonNormalsIndices> &polygons_normals, Mesh *me) { - int i, j, v; MVert *vert = me->mvert; - std::map<unsigned int, unsigned int> nshar; - - for (i = 0; i < me->totface; i++) { - MFace *fa = &me->mface[i]; - Face f; - unsigned int *nn = &f.v1; - unsigned int *vv = &fa->v1; - - memset(&f, 0, sizeof(f)); - v = fa->v4 == 0 ? 3 : 4; - - if (!(fa->flag & ME_SMOOTH)) { - Normal n; - if (v == 4) - normal_quad_v3(&n.x, vert[fa->v1].co, vert[fa->v2].co, vert[fa->v3].co, vert[fa->v4].co); - else - normal_tri_v3(&n.x, vert[fa->v1].co, vert[fa->v2].co, vert[fa->v3].co); - nor.push_back(n); + std::map<unsigned int, unsigned int> shared_normal_indices; + + for (int poly_index = 0; poly_index < me->totpoly; poly_index++) { + MPoly *mpoly = &me->mpoly[poly_index]; + MLoop *mloops = me->mloop; + + unsigned int last_normal_index = -1; + if (!(mpoly->flag & ME_SMOOTH)) { + // For flat faces calculate use face normal as vertex normal: + + float vector[3]; + BKE_mesh_calc_poly_normal(mpoly, mloops, vert, vector); + + Normal n = { vector[0], vector[1], vector[2] }; + normals.push_back(n); + last_normal_index++; } - for (j = 0; j < v; j++) { - if (fa->flag & ME_SMOOTH) { - if (nshar.find(*vv) != nshar.end()) - *nn = nshar[*vv]; + + MLoop *mloop = mloops + mpoly->loopstart; + BCPolygonNormalsIndices poly_indices; + for (int loop_index = 0; loop_index < mpoly->totloop; loop_index++) { + unsigned int vertex_index = mloop[loop_index].v; + if (mpoly->flag & ME_SMOOTH) { + if (shared_normal_indices.find(vertex_index) != shared_normal_indices.end()) + poly_indices.add_index (shared_normal_indices[vertex_index]); else { - Normal n = { - (float)vert[*vv].no[0] / 32767.0f, - (float)vert[*vv].no[1] / 32767.0f, - (float)vert[*vv].no[2] / 32767.0f - }; - nor.push_back(n); - *nn = (unsigned int)nor.size() - 1; - nshar[*vv] = *nn; + + float vector[3]; + normal_short_to_float_v3(vector, vert[vertex_index].no); + normalize_v3(vector); + + Normal n = { vector[0], vector[1], vector[2] }; + normals.push_back(n); + last_normal_index++; + + poly_indices.add_index(last_normal_index); + shared_normal_indices[vertex_index] = last_normal_index; } - vv++; } else { - *nn = (unsigned int)nor.size() - 1; + poly_indices.add_index(last_normal_index); } - nn++; } - ind.push_back(f); + polygons_normals.push_back(poly_indices); } } @@ -631,19 +632,4 @@ COLLADASW::URI GeometryExporter::makeUrl(std::string id) return COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING, id); } -#if 0 -int GeometryExporter::getTriCount(MFace *faces, int totface) -{ - int i; - int tris = 0; - for (i = 0; i < totface; i++) { - // if quad - if (faces[i].v4 != 0) - tris += 2; - else - tris++; - } - return tris; -} -#endif diff --git a/source/blender/collada/GeometryExporter.h b/source/blender/collada/GeometryExporter.h index c880dfdbfcd..4b1427c11ca 100644 --- a/source/blender/collada/GeometryExporter.h +++ b/source/blender/collada/GeometryExporter.h @@ -42,6 +42,7 @@ #include "DNA_key_types.h" #include "ExportSettings.h" +#include "collada_utils.h" #include "BKE_key.h" @@ -71,8 +72,7 @@ public: void createLooseEdgeList(Object *ob, Mesh *me, - std::string& geom_id, - std::vector<Face>& norind); + std::string& geom_id); // powerful because it handles both cases when there is material and when there's not void createPolylist(short material_index, @@ -81,7 +81,7 @@ public: Object *ob, Mesh *me, std::string& geom_id, - std::vector<Face>& norind); + std::vector<BCPolygonNormalsIndices>& norind); // creates <source> for positions void createVertsSource(std::string geom_id, Mesh *me); @@ -97,7 +97,7 @@ public: //creates <source> for normals void createNormalsSource(std::string geom_id, Mesh *me, std::vector<Normal>& nor); - void create_normals(std::vector<Normal> &nor, std::vector<Face> &ind, Mesh *me); + void create_normals(std::vector<Normal> &nor, std::vector<BCPolygonNormalsIndices> &ind, Mesh *me); std::string getIdBySemantics(std::string geom_id, COLLADASW::InputSemantic::Semantics type, std::string other_suffix = ""); @@ -107,7 +107,6 @@ public: void export_key_mesh(Object *ob, Mesh *me, KeyBlock *kb); - /* int getTriCount(MFace *faces, int totface);*/ private: std::set<std::string> exportedGeometry; diff --git a/source/blender/collada/collada_utils.h b/source/blender/collada/collada_utils.h index 2b2c8c5108f..f8e6f09e498 100644 --- a/source/blender/collada/collada_utils.h +++ b/source/blender/collada/collada_utils.h @@ -87,4 +87,21 @@ extern void bc_match_scale(std::vector<Object *> *objects_done, Scene &sce, Unit extern void bc_triangulate_mesh(Mesh *me); + +class BCPolygonNormalsIndices +{ + std::vector<unsigned int> normal_indices; + + public: + + void add_index(unsigned int index) { + normal_indices.push_back(index); + } + + unsigned int operator[](unsigned int i) { + return normal_indices[i]; + } + +}; + #endif |