diff options
author | Ove Murberg Henriksen <sorayasilvermoon@hotmail.com> | 2012-10-09 16:25:10 +0400 |
---|---|---|
committer | Ove Murberg Henriksen <sorayasilvermoon@hotmail.com> | 2012-10-09 16:25:10 +0400 |
commit | cb42de588d9dd23a95998c400df9ce0ddc87107b (patch) | |
tree | 11deb51ac97b247c3e9490d2968f852014b08137 | |
parent | affb060c200febc1b967fee2c78a3e2ecc6d7c46 (diff) | |
parent | ec689d650dd9e32b5f88a4f45f583b6733192ef0 (diff) |
Adding weightpaint transfer tool.
From: https://svn.blender.org/svnroot/bf-blender/branches/meshdata_transfer
Bachelor project at Narvik university collage (Norway).
By Ove M Henriksen (Cyborgmuppet)
Thesis will be published at Cyborgmuppets blender page.
Thanks for letting me participate!
-rw-r--r-- | release/scripts/startup/bl_ui/space_view3d_toolbar.py | 1 | ||||
-rw-r--r-- | source/blender/editors/object/object_intern.h | 1 | ||||
-rw-r--r-- | source/blender/editors/object/object_ops.c | 1 | ||||
-rw-r--r-- | source/blender/editors/object/object_vgroup.c | 382 |
4 files changed, 382 insertions, 3 deletions
diff --git a/release/scripts/startup/bl_ui/space_view3d_toolbar.py b/release/scripts/startup/bl_ui/space_view3d_toolbar.py index 52ffdff9b4f..b0b8401fe02 100644 --- a/release/scripts/startup/bl_ui/space_view3d_toolbar.py +++ b/release/scripts/startup/bl_ui/space_view3d_toolbar.py @@ -967,6 +967,7 @@ class VIEW3D_PT_tools_weightpaint(View3DPanel, Panel): col.operator("object.vertex_group_clean", text="Clean") col.operator("object.vertex_group_levels", text="Levels") col.operator("object.vertex_group_blend", text="Blend") + col.operator("object.vertex_group_transfer_weight", text="Transfer weight") col.operator("object.vertex_group_limit_total", text="Limit Total") col.operator("object.vertex_group_fix", text="Fix Deforms") diff --git a/source/blender/editors/object/object_intern.h b/source/blender/editors/object/object_intern.h index a5a69d3dcbc..727286c3d80 100644 --- a/source/blender/editors/object/object_intern.h +++ b/source/blender/editors/object/object_intern.h @@ -204,6 +204,7 @@ void OBJECT_OT_vertex_group_remove_from(struct wmOperatorType *ot); void OBJECT_OT_vertex_group_select(struct wmOperatorType *ot); void OBJECT_OT_vertex_group_deselect(struct wmOperatorType *ot); void OBJECT_OT_vertex_group_copy_to_linked(struct wmOperatorType *ot); +void OBJECT_OT_vertex_group_transfer_weight(struct wmOperatorType *ot); void OBJECT_OT_vertex_group_copy_to_selected(struct wmOperatorType *ot); void OBJECT_OT_vertex_group_copy(struct wmOperatorType *ot); void OBJECT_OT_vertex_group_normalize(struct wmOperatorType *ot); diff --git a/source/blender/editors/object/object_ops.c b/source/blender/editors/object/object_ops.c index cd4c73a9f1e..65d0c966dc2 100644 --- a/source/blender/editors/object/object_ops.c +++ b/source/blender/editors/object/object_ops.c @@ -178,6 +178,7 @@ void ED_operatortypes_object(void) WM_operatortype_append(OBJECT_OT_vertex_group_select); WM_operatortype_append(OBJECT_OT_vertex_group_deselect); WM_operatortype_append(OBJECT_OT_vertex_group_copy_to_linked); + WM_operatortype_append(OBJECT_OT_vertex_group_transfer_weight); WM_operatortype_append(OBJECT_OT_vertex_group_copy_to_selected); WM_operatortype_append(OBJECT_OT_vertex_group_copy); WM_operatortype_append(OBJECT_OT_vertex_group_normalize); diff --git a/source/blender/editors/object/object_vgroup.c b/source/blender/editors/object/object_vgroup.c index 0a99340be20..f7bc87177f8 100644 --- a/source/blender/editors/object/object_vgroup.c +++ b/source/blender/editors/object/object_vgroup.c @@ -20,7 +20,7 @@ * * The Original Code is: all of this file. * - * Contributor(s): none yet. + * Contributor(s): Ove M Henriksen. * * ***** END GPL LICENSE BLOCK ***** */ @@ -29,7 +29,6 @@ * \ingroup edobj */ - #include <string.h> #include <stddef.h> #include <math.h> @@ -390,6 +389,315 @@ int ED_vgroup_copy_array(Object *ob, Object *ob_from) return 1; } +/***********************Start weight transfer (WT)*********************************/ + +typedef enum WT_VertexGroupMode { + WT_REPLACE_ACTIVE_VERTEX_GROUP = 1, + WT_REPLACE_ALL_VERTEX_GROUPS = 2 +} WT_VertexGroupMode; + +typedef enum WT_Method { + WT_BY_INDEX = 1, + WT_BY_NEAREST_VERTEX = 2, + WT_BY_NEAREST_FACE = 3, + WT_BY_NEAREST_VERTEX_IN_FACE = 4 +} WT_Method; + +typedef enum WT_ReplaceMode { + WT_REPLACE_ALL_WEIGHTS = 1, + WT_REPLACE_EMPTY_WEIGHTS = 2, + WT_REPLACE_SELECTED_WEIGHTS = 3 +} WT_ReplaceMode; + +static EnumPropertyItem WT_vertex_group_mode_item[] = { + {WT_REPLACE_ACTIVE_VERTEX_GROUP, "WT_REPLACE_ACTIVE_VERTEX_GROUP", 1, "Active", "Transfer active vertex group from selected to active mesh."}, + {WT_REPLACE_ALL_VERTEX_GROUPS, "WT_REPLACE_ALL_VERTEX_GROUPS", 1, "All", "Transfer all vertex groups from selected to active mesh."}, + {0, NULL, 0, NULL, NULL} +}; + +static EnumPropertyItem WT_method_item[] = { + {WT_BY_INDEX, "WT_BY_INDEX", 1, "Vertex index", "Copy for identical meshes."}, + {WT_BY_NEAREST_VERTEX, "WT_BY_NEAREST_VERTEX", 1, "Nearest vertex", "Copy weight from closest vertex."}, + {WT_BY_NEAREST_FACE, "WT_BY_NEAREST_FACE", 1, "Nearest face", "Barycentric interpolation from nearest face."}, + {WT_BY_NEAREST_VERTEX_IN_FACE, "WT_BY_NEAREST_VERTEX_IN_FACE", 1, "Nearest vertex in face", "Copy weight from closest vertex in nearest face."}, + {0, NULL, 0, NULL, NULL} +}; + +static EnumPropertyItem WT_replace_mode_item[] = { + {WT_REPLACE_ALL_WEIGHTS, "WT_REPLACE_ALL_WEIGHTS", 1, "All", "Overwrites all weights."}, + {WT_REPLACE_EMPTY_WEIGHTS, "WT_REPLACE_EMPTY_WEIGHTS", 1, "Empty", "Adds weights to vertices with no weight."}, + {WT_REPLACE_SELECTED_WEIGHTS, "WT_REPLACE_SELECTED_WEIGHTS", 1, "Selected", "Replace selected weights."}, + {0, NULL, 0, NULL, NULL} +}; + +/*copy weight*/ +void vgroup_transfer_weight(MVert *mv_dst, float *weight_dst, float weight_src, WT_ReplaceMode replace_mode) +{ + switch (replace_mode) { + + case WT_REPLACE_ALL_WEIGHTS: + *weight_dst = weight_src; + break; + + case WT_REPLACE_EMPTY_WEIGHTS: + if (*weight_dst == 0) *weight_dst = weight_src; + break; + + case WT_REPLACE_SELECTED_WEIGHTS: + if (mv_dst->flag & SELECT) *weight_dst = weight_src; + break; + + default: + BLI_assert(0); + break; + } +} + +int ED_vgroup_transfer_weight(Object *ob_dst, Object *ob_src, bDeformGroup *dg_src, Scene *scene, + WT_Method method, WT_ReplaceMode replace_mode, wmOperator *op) +{ + bDeformGroup *dg_dst; + Mesh *me_dst, *me_src; + DerivedMesh *dmesh_src; + BVHTreeFromMesh tree_mesh_vertices_src, tree_mesh_faces_src = {NULL}; + MDeformVert **dv_array_src, **dv_array_dst, **dv_src, **dv_dst; + MVert *mv_dst, *mv_src; + MFace *mface_src, *mf; + BVHTreeNearest nearest; + MDeformWeight *dw_dst, *dw_src; + int dv_tot_src, dv_tot_dst, i, v_index, index_dst, index_src, index_nearest, index_nearest_vertex; + unsigned int f_index; + float weight, tmp_weight[4], tmp_co[3], normal[3], tmp_mat[4][4], dist_v1, dist_v2, dist_v3, dist_v4; + + /* create new and overwrite vertex group on destination without data */ + if (!defgroup_find_name(ob_dst, dg_src->name) || replace_mode == WT_REPLACE_ALL_WEIGHTS) { + ED_vgroup_delete(ob_dst, defgroup_find_name(ob_dst, dg_src->name)); + ED_vgroup_add_name(ob_dst, dg_src->name); + } + + /* get destination deformgroup */ + dg_dst = defgroup_find_name(ob_dst, dg_src->name); + + /* get meshes */ + dmesh_src = mesh_get_derived_deform(scene, ob_src, CD_MASK_BAREMESH); + me_dst = ob_dst->data; + me_src = ob_src->data; + + /* sanity check */ + if (!me_src->dvert) { + BKE_reportf(op->reports, RPT_ERROR, "Transfer failed. Source mesh does not have any vertex groups"); + return 0; + } + + /* create data in memory when nothing there */ + if (!me_dst->dvert) ED_vgroup_data_create(ob_dst->data); + + /* get vertex group arrays */ + ED_vgroup_give_parray(ob_src->data, &dv_array_src, &dv_tot_src, FALSE); + ED_vgroup_give_parray(ob_dst->data, &dv_array_dst, &dv_tot_dst, FALSE); + + /* get indexes of vertex groups */ + index_src = BLI_findindex(&ob_src->defbase, dg_src); + index_dst = BLI_findindex(&ob_dst->defbase, dg_dst); + + /* get vertices */ + mv_dst = me_dst->mvert; + mv_src = dmesh_src->getVertArray(dmesh_src); + + /* prepare transformation matrix */ + invert_m4_m4(ob_src->imat, ob_src->obmat); + mult_m4_m4m4(tmp_mat, ob_src->imat, ob_dst->obmat); + + /* clear weights */ + if (replace_mode == WT_REPLACE_ALL_WEIGHTS) { + for(i = 0, dv_dst = dv_array_dst; i < me_dst->totvert; i++, dv_dst++) { + dw_dst = defvert_verify_index(*dv_dst, index_dst); + if (dw_dst) (*dw_dst).weight = 0; + } + } + + switch (method) { + + case WT_BY_INDEX: + /* check if indices are matching, delete and return if not */ + if (ob_dst == ob_src || dv_tot_dst == 0 || dv_tot_dst != dv_tot_src || + dv_array_src == NULL || dv_array_dst == NULL) + { + ED_vgroup_delete(ob_dst, defgroup_find_name(ob_dst, dg_dst->name)); + if (dv_array_src) MEM_freeN(dv_array_src); + if (dv_array_dst) MEM_freeN(dv_array_dst); + dmesh_src->release(dmesh_src); + BKE_reportf(op->reports, RPT_ERROR, "Transfer failed. Indices are not matching"); + return 0; + } + + /* loop through the vertices*/ + for(i = 0, dv_src = dv_array_src, dv_dst = dv_array_dst; i < me_dst->totvert; i++, dv_dst++, dv_src++, mv_src++) { + + /* copy weight */ + dw_src = defvert_find_index(*dv_src, index_src); + if(dw_src && dw_src->weight) { + dw_dst = defvert_verify_index(*dv_dst, index_dst); + vgroup_transfer_weight(mv_dst, &dw_dst->weight, dw_src->weight, replace_mode); + } + } + break; + + case WT_BY_NEAREST_VERTEX: + /* make node tree */ + bvhtree_from_mesh_verts(&tree_mesh_vertices_src, dmesh_src, FLT_EPSILON, 2, 6); + + /* loop trough vertices */ + for(i = 0, dv_dst = dv_array_dst; i < me_dst->totvert; i++, dv_dst++, mv_dst++){ + + /* reset nearest */ + nearest.dist = FLT_MAX; + /* With current binary tree its marginally faster to start searching at the top, as opposed to previous search. */ + nearest.index = -1; + + /* transform into target space */ + mul_v3_m4v3(tmp_co, tmp_mat, mv_dst->co); + + /* node tree accelerated search for closest vetex */ + BLI_bvhtree_find_nearest(tree_mesh_vertices_src.tree, tmp_co, + &nearest, tree_mesh_vertices_src.nearest_callback, &tree_mesh_vertices_src); + + /* copy weight that are not NULL including weight value 0. Existing target weights are overwritten prior to this in relevant cases. */ + dw_src = defvert_find_index(dv_array_src[nearest.index], index_src); + if(dw_src && dw_src->weight) { + dw_dst = defvert_verify_index(*dv_dst, index_dst); + vgroup_transfer_weight(mv_dst, &dw_dst->weight, dw_src->weight, replace_mode); + } + } + + /* free memory */ + free_bvhtree_from_mesh(&tree_mesh_vertices_src); + break; + + case WT_BY_NEAREST_FACE: + /* get faces */ + DM_ensure_tessface(dmesh_src); + mface_src = dmesh_src->getTessFaceArray(dmesh_src); + + /* make node tree */ + bvhtree_from_mesh_faces(&tree_mesh_faces_src, dmesh_src, FLT_EPSILON, 2, 6); + + /* loop through the vertices */ + for(i = 0, dv_dst = dv_array_dst; i < me_dst->totvert; i++, dv_dst++, mv_dst++) { + + /* reset nearest */ + nearest.dist = FLT_MAX; + /* With current binary tree its marginally faster to start searching at the top, as opposed to previous search. */ + nearest.index = -1; + + /* transform into target space */ + mul_v3_m4v3(tmp_co, tmp_mat, mv_dst->co); + + /* node tree accelerated search for closest face */ + BLI_bvhtree_find_nearest(tree_mesh_faces_src.tree, tmp_co, + &nearest, tree_mesh_faces_src.nearest_callback, &tree_mesh_faces_src); + index_nearest = nearest.index; + + /* project onto face */ + mf = &mface_src[index_nearest]; + normal_tri_v3(normal, mv_src[mf->v1].co, mv_src[mf->v2].co, mv_src[mf->v3].co); + project_v3_plane(tmp_co, normal, mv_src[mf->v1].co); + + /* interpolate weights over face*/ + f_index = mf->v4 ? 3 : 2; + if (f_index == 3) { + interp_weights_face_v3(tmp_weight, mv_src[mf->v1].co, mv_src[mf->v2].co, mv_src[mf->v3].co, mv_src[mf->v4].co, tmp_co); + } + else { + interp_weights_face_v3(tmp_weight, mv_src[mf->v1].co, mv_src[mf->v2].co, mv_src[mf->v3].co, NULL, tmp_co); + } + + /* get weights from face*/ + weight = 0; + do { + v_index = (&mf->v1)[f_index]; + weight += tmp_weight[f_index] * defvert_find_weight(dv_array_src[v_index], index_src); + } while (f_index--); + + /* copy weight that are not NULL including weight value 0. Existing target weights are overwritten prior to this in relevant cases. */ + if(weight > 0) { + dw_dst = defvert_verify_index(*dv_dst, index_dst); + vgroup_transfer_weight(mv_dst, &dw_dst->weight, weight, replace_mode); + } + } + + /* free memory */ + free_bvhtree_from_mesh(&tree_mesh_faces_src); + break; + + case WT_BY_NEAREST_VERTEX_IN_FACE: + /* get faces */ + DM_ensure_tessface(dmesh_src); + mface_src = dmesh_src->getTessFaceArray(dmesh_src); + + /* make node tree */ + bvhtree_from_mesh_faces(&tree_mesh_faces_src, dmesh_src, FLT_EPSILON, 2, 6); + + /* loop through the vertices */ + for(i = 0, dv_dst = dv_array_dst; i < me_dst->totvert; i++, dv_dst++, mv_dst++){ + + /* reset nearest */ + nearest.dist = FLT_MAX; + /* With current binary tree its marginally faster to start searching at the top, as opposed to previous search. */ + nearest.index = -1; + + /* transform into target space */ + mul_v3_m4v3(tmp_co, tmp_mat, mv_dst->co); + + /* node tree accelerated search for closest face */ + BLI_bvhtree_find_nearest(tree_mesh_faces_src.tree, tmp_co, + &nearest, tree_mesh_faces_src.nearest_callback, &tree_mesh_faces_src); + index_nearest = nearest.index; + + /* get distances */ + mf = &mface_src[index_nearest]; + dist_v1 = len_squared_v3v3(tmp_co, mv_src[mf->v1].co); + dist_v2 = len_squared_v3v3(tmp_co, mv_src[mf->v2].co); + dist_v3 = len_squared_v3v3(tmp_co, mv_src[mf->v3].co); + + /* get closest vertex */ + f_index = mf->v4 ? 3 : 2; + if (dist_v1 < dist_v2 && dist_v1 < dist_v3) index_nearest_vertex = mf->v1; + else if (dist_v2 < dist_v3) index_nearest_vertex = mf->v2; + else index_nearest_vertex = mf->v3; + if (f_index == 3) { + dist_v4 = len_squared_v3v3(tmp_co, mv_src[mf->v4].co); + if (dist_v4 < dist_v1 && dist_v4 < dist_v2 && dist_v4 < dist_v3) { + index_nearest_vertex = mf->v4; + } + } + + /* copy weight that are not NULL including weight value 0. Existing target weights are overwritten prior to this in relevant cases. */ + dw_src = defvert_find_index(dv_array_src[index_nearest_vertex], index_src); + if(dw_src && dw_src->weight) { + dw_dst = defvert_verify_index(*dv_dst, index_dst); + vgroup_transfer_weight(mv_dst, &dw_dst->weight, dw_src->weight, replace_mode); + } + } + + /* free memory */ + free_bvhtree_from_mesh(&tree_mesh_faces_src); + break; + + default: + BLI_assert(0); + break; + } + + /*free memory*/ + if (dv_array_src) MEM_freeN(dv_array_src); + if (dv_array_dst) MEM_freeN(dv_array_dst); + dmesh_src->release(dmesh_src); + + return 1; +} + +/***********************End weight transfer (WT)***********************************/ /* for Mesh in Object mode */ /* allows editmode for Lattice */ @@ -2929,7 +3237,6 @@ static int vertex_group_copy_to_selected_exec(bContext *C, wmOperator *op) return OPERATOR_FINISHED; } - void OBJECT_OT_vertex_group_copy_to_selected(wmOperatorType *ot) { /* identifiers */ @@ -2945,6 +3252,75 @@ void OBJECT_OT_vertex_group_copy_to_selected(wmOperatorType *ot) ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; } +static int vertex_group_transfer_weight_exec(bContext *C, wmOperator *op) +{ + Scene *scene = CTX_data_scene(C); + Object *ob_act = CTX_data_active_object(C); + bDeformGroup *dg_src; + int fail = 0; + + WT_VertexGroupMode vertex_group_mode = RNA_enum_get(op->ptr, "WT_vertex_group_mode"); + WT_Method method = RNA_enum_get(op->ptr, "WT_method"); + WT_ReplaceMode replace_mode = RNA_enum_get(op->ptr, "WT_replace_mode"); + + /* Macro to loop through selected objects and perform operation depending on function, option and method */ + CTX_DATA_BEGIN (C, Object *, ob_slc, selected_editable_objects) + { + + if (ob_act != ob_slc && ob_slc->defbase.first) { + switch (vertex_group_mode) { + + case WT_REPLACE_ACTIVE_VERTEX_GROUP: + if (!ED_vgroup_transfer_weight( + ob_act, ob_slc, BLI_findlink(&ob_slc->defbase, ob_slc->actdef - 1), scene, method, replace_mode, op)) fail++; + break; + + case WT_REPLACE_ALL_VERTEX_GROUPS: + for (dg_src = ob_slc->defbase.first; dg_src; dg_src = dg_src->next) { + if (!ED_vgroup_transfer_weight( + ob_act, ob_slc, dg_src, scene, method, replace_mode, op)) fail++; + } + break; + + default: + BLI_assert(0); + break; + } + } + } + + /* Event notifiers for correct display of data */ + DAG_id_tag_update(&ob_slc->id, OB_RECALC_DATA); + WM_event_add_notifier(C, NC_OBJECT | ND_DRAW, ob_slc); + WM_event_add_notifier(C, NC_GEOM | ND_DATA, ob_slc->data); + + CTX_DATA_END; + + if (fail != 0) return OPERATOR_CANCELLED; + return OPERATOR_FINISHED; +} + +/* transfers weight from active to selected */ +void OBJECT_OT_vertex_group_transfer_weight(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Transfer weight"; + ot->idname = "OBJECT_OT_vertex_group_transfer_weight"; + ot->description = "Transfer weight paint to active from selected mesh"; + + /* api callbacks */ + ot->poll = vertex_group_poll; + ot->exec = vertex_group_transfer_weight_exec; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + /* properties */ + ot->prop = RNA_def_enum(ot->srna, "WT_vertex_group_mode", WT_vertex_group_mode_item, 1, "Group", ""); + ot->prop = RNA_def_enum(ot->srna, "WT_method", WT_method_item, 3, "Method", ""); + ot->prop = RNA_def_enum(ot->srna, "WT_replace_mode", WT_replace_mode_item, 1, "Replace", ""); +} + static EnumPropertyItem vgroup_items[] = { {0, NULL, 0, NULL, NULL} }; |