[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [58977] branches/ soc-2013-meshdata_transfer/source/blender/bmesh/tools: Code cleaning: repositioning code pieces to be more meaningful
Walid Shouman
eng.walidshouman at gmail.com
Wed Aug 7 01:14:48 CEST 2013
Revision: 58977
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=58977
Author: walid
Date: 2013-08-06 23:14:48 +0000 (Tue, 06 Aug 2013)
Log Message:
-----------
Code cleaning: repositioning code pieces to be more meaningful
Modified Paths:
--------------
branches/soc-2013-meshdata_transfer/source/blender/bmesh/tools/bmesh_data_transfer.c
branches/soc-2013-meshdata_transfer/source/blender/bmesh/tools/bmesh_data_transfer.h
Modified: branches/soc-2013-meshdata_transfer/source/blender/bmesh/tools/bmesh_data_transfer.c
===================================================================
--- branches/soc-2013-meshdata_transfer/source/blender/bmesh/tools/bmesh_data_transfer.c 2013-08-06 22:58:40 UTC (rev 58976)
+++ branches/soc-2013-meshdata_transfer/source/blender/bmesh/tools/bmesh_data_transfer.c 2013-08-06 23:14:48 UTC (rev 58977)
@@ -1204,6 +1204,216 @@
return true;
}
+
+//--------------------------end of WIP fucntions and beginning of Projection based functions--------------------//
+
+typedef struct coord_pool {
+ float (*coord)[3]; //used as the offset coordinates for shapekeys
+ int count; //used to keep track of the coordinate to be filled
+} coord_pool;
+
+bool BM_mesh_shapekey_copy3(BMesh *bm_src, BMesh *bm_dst, const struct ReplaceLayerInfo replace_info, bool relative_to_target,
+ float tmp_mat[4][4])
+{
+ //-----algorithm definitions start
+ struct BMBVHTree *bmtree_src = NULL;
+ float *tmp_weight = NULL;
+ float tmp_co[3];
+ BMIter fiter, fiter2;
+ BMVert *v2;
+
+ int a;
+ float v_src_offset[3] = {0, 0, 0};
+ float v_dst_offset[3] = {0, 0, 0};
+
+ BMIter viter;
+ BMFace *f_dst, *f_src;
+ int v_dst_count, v_src_count;
+ float (*v_co_list_dst)[3], (*v_co_list_src)[3];
+ float f_mid_dst[3], f_mid_src[3];
+ coord_pool *offsets_grp; //stores all the gathered offsets/vert to be averaged at the end of interpolation
+ const int exp_vert_per_face = 10;
+ int v_src_max_count, v_dst_max_count;
+ //====algorithm definitions end
+
+ int CD_offset_src, CD_offset_dst;
+ int CD_basis_src, CD_basis_dst;
+
+ //used for iterating the destination's verts
+ BMVert *v;
+ //iter => vertex iterator
+ BMIter iter;
+ int src_lay_iter, dst_lay_iter;
+
+ //tree variables
+ BMEditMesh *em_src;
+
+ //replace mode variables
+ int src_lay_start, src_lay_end;
+ int dst_lay_start;
+
+// float v_co[3];
+
+ //Is that good to support edit mesh mode at the cost of receiving me_src too ?
+ //if (me_src->edit_btmesh != NULL) em_src = me_src->edit_btmesh; //edit mesh mode
+ //else
+ em_src = BKE_editmesh_create(bm_src, true); //create editmesh data from bm WITH tess.
+ //if it was false ... data other than
+ //em->bm won't be copied
+
+ CD_basis_src = CustomData_get_n_offset(&bm_src->vdata, CD_SHAPEKEY, 0); //get the offset of the basis
+ CD_basis_dst = CustomData_get_n_offset(&bm_dst->vdata, CD_SHAPEKEY, 0);
+
+ //get the faces tree
+ bmtree_src = BKE_bmbvh_new(em_src, 0, NULL, false);
+
+ v_co_list_dst = MEM_mallocN(sizeof(*v_co_list_dst) * exp_vert_per_face, "v_co_list_dst bmesh_data_transfer.c");
+ v_co_list_src = MEM_mallocN(sizeof(*v_co_list_src) * exp_vert_per_face, "v_co_list_src bmesh_data_transfer.c");
+
+ offsets_grp = MEM_mallocN(sizeof(*offsets_grp) * bm_dst->totvert, "offsets_grp bmesh_data_transfer.c");
+ BM_ITER_MESH (v, &iter, bm_dst, BM_VERTS_OF_MESH) {
+
+ BM_ITER_ELEM_INDEX (f_dst, &viter, v, BM_FACES_OF_VERT, a) {}
+ offsets_grp[v->head.index].coord = MEM_mallocN(sizeof(*(offsets_grp[v->head.index].coord)) * a,
+ "offsets_grp[v->head.index].coord bmesh_data_transfer.c");
+
+ offsets_grp[v->head.index].count = 0; //if that wasn't fast enf we may use calloc for the offsets_grp
+ }
+
+ tmp_weight = MEM_mallocN(sizeof(*tmp_weight) * exp_vert_per_face, "tmp_weight bmesh_data_transfer.c");
+
+ src_lay_start = replace_info.src_lay_start;
+ src_lay_end = replace_info.src_lay_end;
+ dst_lay_start = replace_info.dst_lay_start;
+
+ for (src_lay_iter = src_lay_start, dst_lay_iter = dst_lay_start; src_lay_iter <= src_lay_end;
+ src_lay_iter++, dst_lay_iter++) {
+
+ //fix the layer index of the source & dest
+ CD_offset_src = CustomData_get_n_offset(&bm_src->vdata, CD_SHAPEKEY,src_lay_iter); //get the offset of the
+ CD_offset_dst = CustomData_get_n_offset(&bm_dst->vdata, CD_SHAPEKEY,dst_lay_iter); //lay_iter(th)CD_SHAPEKEY layer
+
+ //the way we do it is by looping over each face!!
+ BM_ITER_MESH (f_dst, &iter, bm_dst, BM_FACES_OF_MESH) {
+
+ //get a coordinate list of the f_dst verts
+ //used to get the the f_mid_dst for mid_poly_v3
+ BM_ITER_ELEM_INDEX (v, &fiter, f_dst, BM_VERTS_OF_FACE, v_dst_count) {
+ if (v_dst_count > exp_vert_per_face) {
+ if (v_dst_count > v_dst_max_count) {
+ v_co_list_dst = MEM_reallocN(v_co_list_dst, sizeof(*v_co_list_dst) * (v_dst_count + 1));
+ v_dst_max_count = v_dst_count;
+ }
+ }
+
+ copy_v3_v3(v_co_list_dst[v_dst_count], v->co);
+ }
+
+ zero_v3(f_mid_dst);
+ mid_poly_v3(f_mid_dst, v_co_list_dst, v_dst_count);
+
+ if (relative_to_target == true) {
+ // Transform into target space.
+ mul_v3_m4v3(tmp_co, tmp_mat, f_mid_dst); //to start searching for a match
+
+ // Node tree accelerated search for closest face.
+ f_src = BKE_bmbvh_find_face_closest(bmtree_src, tmp_co, FLT_MAX); //would return null if the source didn't
+ //have faces within the radius range!!
+ }
+
+ else {
+ // Node tree accelerated search for closest face.
+ f_src = BKE_bmbvh_find_face_closest(bmtree_src, f_mid_dst, FLT_MAX); //would return null if the source didn't
+ //have faces within the radius range!!
+ }
+
+ //deprecated comment
+ ///fork from here to map each vertex into the projection
+
+ //get a coordinate list of the f verts
+ BM_ITER_ELEM_INDEX (v2, &fiter, f_src, BM_VERTS_OF_FACE, v_src_count) {
+ //reallocate if the verts/faces were more than expected
+ if (v_src_count > exp_vert_per_face) {
+ //and according to the previous records only allocate if that more than max already allocated
+ if (v_src_count > v_src_max_count) {
+ v_co_list_src = MEM_reallocN(v_co_list_src, sizeof(*v_co_list_src) * (v_src_count + 1));
+
+ // Prepare memory for later interpolation
+ tmp_weight = MEM_reallocN(tmp_weight, sizeof(*tmp_weight) * v_src_count);
+
+ v_src_max_count = v_src_count;
+ }
+ }
+
+ copy_v3_v3(v_co_list_src[v_src_count], v2->co);
+ }
+
+ zero_v3(f_mid_src);
+ mid_poly_v3(f_mid_src, v_co_list_src, v_src_count); //get the mid point of the source face
+
+ BM_ITER_ELEM (v, &fiter, f_dst, BM_VERTS_OF_FACE) {
+ if (relative_to_target == true) {
+ zero_v3(tmp_co);
+
+ // Transform into target space.
+ mul_v3_m4v3(tmp_co, tmp_mat, v->co);
+ }
+
+ else {
+ copy_v3_v3(tmp_co, v->co);
+ }
+
+ // Project each vertex onto face.
+ project_v3_plane(tmp_co, f_src->no, f_mid_src);
+ //project_v3_plane(tmp_co, f->no, f->l_first->v->co);//not sure, do we really have to use an actual vertex ?
+
+ // Interpolate weights over face.
+
+ //spatially finding the weights from the face's vertices
+ interp_weights_poly_v3(tmp_weight, v_co_list_src, v_src_count, tmp_co);
+
+ // Interpolating according to the spatially found weights
+ // Get weights from face.
+ zero_v3(v_dst_offset);
+ BM_ITER_ELEM_INDEX (v2, &fiter2, f_src, BM_VERTS_OF_FACE, a) {
+ sub_v3_v3v3(v_src_offset, BM_ELEM_CD_GET_VOID_P(v2, CD_offset_src),
+ BM_ELEM_CD_GET_VOID_P(v2, CD_basis_src));
+ madd_v3_v3fl(v_dst_offset, v_src_offset, tmp_weight[a]);
+ }
+
+ copy_v3_v3(offsets_grp[v->head.index].coord[offsets_grp[v->head.index].count], v_dst_offset);
+ (offsets_grp[v->head.index].count)++;
+
+ //shall we verify the indices!?
+ //we interpolate vertix weights instead
+ }
+ }
+
+ BM_ITER_MESH (v, &iter, bm_dst, BM_VERTS_OF_MESH) {
+ zero_v3(v_dst_offset);
+ mid_poly_v3(v_dst_offset, offsets_grp[v->head.index].coord, offsets_grp[v->head.index].count);
+
+ add_v3_v3v3(BM_ELEM_CD_GET_VOID_P(v, CD_offset_dst), BM_ELEM_CD_GET_VOID_P(v, CD_basis_dst),
+ v_dst_offset);
+ offsets_grp[v->head.index].count = 0; //reset for the upcoming layer
+ }
+
+ }
+
+ BM_ITER_MESH (v, &iter, bm_dst, BM_VERTS_OF_MESH) {
+ MEM_freeN(offsets_grp[v->head.index].coord);
+ }
+
+ MEM_freeN(offsets_grp);
+
+ BKE_bmbvh_free(bmtree_src);
+
+ MEM_freeN(v_co_list_dst);
+ MEM_freeN(v_co_list_src);
+ MEM_freeN(tmp_weight);
+ return true;
+}
+
//callback used for the island finding
/*
static bool check_e_table_cb(BMEdge *e, void *user_data) {
@@ -1854,213 +2064,6 @@
return true;
}
-typedef struct coord_pool {
- float (*coord)[3]; //used as the offset coordinates for shapekeys
- int count; //used to keep track of the coordinate to be filled
-} coord_pool;
-
-bool BM_mesh_shapekey_copy3(BMesh *bm_src, BMesh *bm_dst, const struct ReplaceLayerInfo replace_info, bool relative_to_target,
- float tmp_mat[4][4])
-{
- //-----algorithm definitions start
- struct BMBVHTree *bmtree_src = NULL;
- float *tmp_weight = NULL;
- float tmp_co[3];
- BMIter fiter, fiter2;
- BMVert *v2;
-
- int a;
- float v_src_offset[3] = {0, 0, 0};
- float v_dst_offset[3] = {0, 0, 0};
-
- BMIter viter;
- BMFace *f_dst, *f_src;
- int v_dst_count, v_src_count;
- float (*v_co_list_dst)[3], (*v_co_list_src)[3];
- float f_mid_dst[3], f_mid_src[3];
- coord_pool *offsets_grp; //stores all the gathered offsets/vert to be averaged at the end of interpolation
- const int exp_vert_per_face = 10;
- int v_src_max_count, v_dst_max_count;
- //====algorithm definitions end
-
- int CD_offset_src, CD_offset_dst;
- int CD_basis_src, CD_basis_dst;
-
- //used for iterating the destination's verts
- BMVert *v;
- //iter => vertex iterator
- BMIter iter;
- int src_lay_iter, dst_lay_iter;
-
- //tree variables
- BMEditMesh *em_src;
-
- //replace mode variables
- int src_lay_start, src_lay_end;
- int dst_lay_start;
-
-// float v_co[3];
-
- //Is that good to support edit mesh mode at the cost of receiving me_src too ?
- //if (me_src->edit_btmesh != NULL) em_src = me_src->edit_btmesh; //edit mesh mode
- //else
- em_src = BKE_editmesh_create(bm_src, true); //create editmesh data from bm WITH tess.
- //if it was false ... data other than
- //em->bm won't be copied
-
- CD_basis_src = CustomData_get_n_offset(&bm_src->vdata, CD_SHAPEKEY, 0); //get the offset of the basis
- CD_basis_dst = CustomData_get_n_offset(&bm_dst->vdata, CD_SHAPEKEY, 0);
-
- //get the faces tree
- bmtree_src = BKE_bmbvh_new(em_src, 0, NULL, false);
-
- v_co_list_dst = MEM_mallocN(sizeof(*v_co_list_dst) * exp_vert_per_face, "v_co_list_dst bmesh_data_transfer.c");
- v_co_list_src = MEM_mallocN(sizeof(*v_co_list_src) * exp_vert_per_face, "v_co_list_src bmesh_data_transfer.c");
-
@@ Diff output truncated at 10240 characters. @@
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