diff options
Diffstat (limited to 'source/blender/editors/sculpt_paint/sculpt_transform.c')
| -rw-r--r-- | source/blender/editors/sculpt_paint/sculpt_transform.c | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/source/blender/editors/sculpt_paint/sculpt_transform.c b/source/blender/editors/sculpt_paint/sculpt_transform.c new file mode 100644 index 00000000000..2eb1191b950 --- /dev/null +++ b/source/blender/editors/sculpt_paint/sculpt_transform.c @@ -0,0 +1,381 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2020 Blender Foundation. + * All rights reserved. + */ + +/** \file + * \ingroup edsculpt + */ + +#include "MEM_guardedalloc.h" + +#include "BLI_blenlib.h" +#include "BLI_math.h" +#include "BLI_task.h" + +#include "DNA_mesh_types.h" +#include "DNA_meshdata_types.h" + +#include "BKE_brush.h" +#include "BKE_context.h" +#include "BKE_mesh.h" +#include "BKE_mesh_mapping.h" +#include "BKE_object.h" +#include "BKE_paint.h" +#include "BKE_pbvh.h" +#include "BKE_scene.h" + +#include "DEG_depsgraph.h" + +#include "WM_api.h" +#include "WM_message.h" +#include "WM_toolsystem.h" +#include "WM_types.h" + +#include "ED_object.h" +#include "ED_screen.h" +#include "ED_sculpt.h" +#include "paint_intern.h" +#include "sculpt_intern.h" + +#include "RNA_access.h" +#include "RNA_define.h" + +#include "bmesh.h" + +#include <math.h> +#include <stdlib.h> + +void ED_sculpt_init_transform(struct bContext *C) +{ + Sculpt *sd = CTX_data_tool_settings(C)->sculpt; + Object *ob = CTX_data_active_object(C); + SculptSession *ss = ob->sculpt; + Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C); + + copy_v3_v3(ss->init_pivot_pos, ss->pivot_pos); + copy_v4_v4(ss->init_pivot_rot, ss->pivot_rot); + + SCULPT_undo_push_begin("Transform"); + BKE_sculpt_update_object_for_edit(depsgraph, ob, false, false); + + ss->pivot_rot[3] = 1.0f; + + SCULPT_vertex_random_access_init(ss); + SCULPT_filter_cache_init(ob, sd); +} + +static void sculpt_transform_task_cb(void *__restrict userdata, + const int i, + const TaskParallelTLS *__restrict UNUSED(tls)) +{ + + SculptThreadedTaskData *data = userdata; + SculptSession *ss = data->ob->sculpt; + PBVHNode *node = data->nodes[i]; + + SculptOrigVertData orig_data; + SCULPT_orig_vert_data_init(&orig_data, data->ob, data->nodes[i]); + + PBVHVertexIter vd; + + SCULPT_undo_push_node(data->ob, node, SCULPT_UNDO_COORDS); + BKE_pbvh_vertex_iter_begin(ss->pbvh, node, vd, PBVH_ITER_UNIQUE) + { + SCULPT_orig_vert_data_update(&orig_data, &vd); + float transformed_co[3], orig_co[3], disp[3]; + float fade = vd.mask ? *vd.mask : 0.0f; + copy_v3_v3(orig_co, orig_data.co); + char symm_area = SCULPT_get_vertex_symm_area(orig_co); + + copy_v3_v3(transformed_co, orig_co); + mul_m4_v3(data->transform_mats[(int)symm_area], transformed_co); + sub_v3_v3v3(disp, transformed_co, orig_co); + mul_v3_fl(disp, 1.0f - fade); + + add_v3_v3v3(vd.co, orig_co, disp); + + if (vd.mvert) { + vd.mvert->flag |= ME_VERT_PBVH_UPDATE; + } + } + BKE_pbvh_vertex_iter_end; + + BKE_pbvh_node_mark_update(node); +} + +void ED_sculpt_update_modal_transform(struct bContext *C) +{ + Sculpt *sd = CTX_data_tool_settings(C)->sculpt; + Object *ob = CTX_data_active_object(C); + SculptSession *ss = ob->sculpt; + Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C); + const char symm = sd->paint.symmetry_flags & PAINT_SYMM_AXIS_ALL; + + SCULPT_vertex_random_access_init(ss); + BKE_sculpt_update_object_for_edit(depsgraph, ob, false, false); + + SculptThreadedTaskData data = { + .sd = sd, + .ob = ob, + .nodes = ss->filter_cache->nodes, + }; + + float final_pivot_pos[3], d_t[3], d_r[4]; + float t_mat[4][4], r_mat[4][4], s_mat[4][4], pivot_mat[4][4], pivot_imat[4][4], + transform_mat[4][4]; + + copy_v3_v3(final_pivot_pos, ss->pivot_pos); + for (int i = 0; i < PAINT_SYMM_AREAS; i++) { + ePaintSymmetryAreas v_symm = i; + + copy_v3_v3(final_pivot_pos, ss->pivot_pos); + + unit_m4(pivot_mat); + + unit_m4(t_mat); + unit_m4(r_mat); + unit_m4(s_mat); + + /* Translation matrix. */ + sub_v3_v3v3(d_t, ss->pivot_pos, ss->init_pivot_pos); + SCULPT_flip_v3_by_symm_area(d_t, symm, v_symm, ss->init_pivot_pos); + translate_m4(t_mat, d_t[0], d_t[1], d_t[2]); + + /* Rotation matrix. */ + sub_qt_qtqt(d_r, ss->pivot_rot, ss->init_pivot_rot); + normalize_qt(d_r); + SCULPT_flip_quat_by_symm_area(d_r, symm, v_symm, ss->init_pivot_pos); + quat_to_mat4(r_mat, d_r); + + /* Scale matrix. */ + size_to_mat4(s_mat, ss->pivot_scale); + + /* Pivot matrix. */ + SCULPT_flip_v3_by_symm_area(final_pivot_pos, symm, v_symm, ss->init_pivot_pos); + translate_m4(pivot_mat, final_pivot_pos[0], final_pivot_pos[1], final_pivot_pos[2]); + invert_m4_m4(pivot_imat, pivot_mat); + + /* Final transform matrix. */ + mul_m4_m4m4(transform_mat, r_mat, t_mat); + mul_m4_m4m4(transform_mat, transform_mat, s_mat); + mul_m4_m4m4(data.transform_mats[i], transform_mat, pivot_imat); + mul_m4_m4m4(data.transform_mats[i], pivot_mat, data.transform_mats[i]); + } + + TaskParallelSettings settings; + BKE_pbvh_parallel_range_settings( + &settings, (sd->flags & SCULPT_USE_OPENMP), ss->filter_cache->totnode); + BLI_task_parallel_range( + 0, ss->filter_cache->totnode, &data, sculpt_transform_task_cb, &settings); + + if (ss->deform_modifiers_active || ss->shapekey_active) { + SCULPT_flush_stroke_deform(sd, ob, true); + } + + SCULPT_flush_update_step(C, SCULPT_UPDATE_COORDS); +} + +void ED_sculpt_end_transform(struct bContext *C) +{ + Object *ob = CTX_data_active_object(C); + SculptSession *ss = ob->sculpt; + if (ss->filter_cache) { + SCULPT_filter_cache_free(ss); + } + /* Force undo push to happen even inside transform operator, since the sculpt + * undo system works separate from regular undo and this is require to properly + * finish an undo step also when cancelling. */ + const bool use_nested_undo = true; + SCULPT_undo_push_end_ex(use_nested_undo); + SCULPT_flush_update_done(C, ob, SCULPT_UPDATE_COORDS); +} + +typedef enum eSculptPivotPositionModes { + SCULPT_PIVOT_POSITION_ORIGIN = 0, + SCULPT_PIVOT_POSITION_UNMASKED = 1, + SCULPT_PIVOT_POSITION_MASK_BORDER = 2, + SCULPT_PIVOT_POSITION_ACTIVE_VERTEX = 3, + SCULPT_PIVOT_POSITION_CURSOR_SURFACE = 4, +} eSculptPivotPositionModes; + +static EnumPropertyItem prop_sculpt_pivot_position_types[] = { + {SCULPT_PIVOT_POSITION_ORIGIN, + "ORIGIN", + 0, + "Origin", + "Sets the pivot to the origin of the sculpt"}, + {SCULPT_PIVOT_POSITION_UNMASKED, + "UNMASKED", + 0, + "Unmasked", + "Sets the pivot position to the average position of the unmasked vertices"}, + {SCULPT_PIVOT_POSITION_MASK_BORDER, + "BORDER", + 0, + "Mask border", + "Sets the pivot position to the center of the border of the mask"}, + {SCULPT_PIVOT_POSITION_ACTIVE_VERTEX, + "ACTIVE", + 0, + "Active vertex", + "Sets the pivot position to the active vertex position"}, + {SCULPT_PIVOT_POSITION_CURSOR_SURFACE, + "SURFACE", + 0, + "Surface", + "Sets the pivot position to the surface under the cursor"}, + {0, NULL, 0, NULL, NULL}, +}; + +static int sculpt_set_pivot_position_exec(bContext *C, wmOperator *op) +{ + Sculpt *sd = CTX_data_tool_settings(C)->sculpt; + Object *ob = CTX_data_active_object(C); + SculptSession *ss = ob->sculpt; + ARegion *region = CTX_wm_region(C); + Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C); + const char symm = sd->paint.symmetry_flags & PAINT_SYMM_AXIS_ALL; + + int mode = RNA_enum_get(op->ptr, "mode"); + + BKE_sculpt_update_object_for_edit(depsgraph, ob, false, true); + + /* Pivot to center. */ + if (mode == SCULPT_PIVOT_POSITION_ORIGIN) { + zero_v3(ss->pivot_pos); + } + /* Pivot to active vertex. */ + else if (mode == SCULPT_PIVOT_POSITION_ACTIVE_VERTEX) { + copy_v3_v3(ss->pivot_pos, SCULPT_active_vertex_co_get(ss)); + } + /* Pivot to raycast surface. */ + else if (mode == SCULPT_PIVOT_POSITION_CURSOR_SURFACE) { + float stroke_location[3]; + float mouse[2]; + mouse[0] = RNA_float_get(op->ptr, "mouse_x"); + mouse[1] = RNA_float_get(op->ptr, "mouse_y"); + if (SCULPT_stroke_get_location(C, stroke_location, mouse)) { + copy_v3_v3(ss->pivot_pos, stroke_location); + } + } + else { + PBVHNode **nodes; + int totnode; + BKE_pbvh_search_gather(ss->pbvh, NULL, NULL, &nodes, &totnode); + + float avg[3]; + int total = 0; + zero_v3(avg); + + /* Pivot to unmasked. */ + if (mode == SCULPT_PIVOT_POSITION_UNMASKED) { + for (int n = 0; n < totnode; n++) { + PBVHVertexIter vd; + BKE_pbvh_vertex_iter_begin(ss->pbvh, nodes[n], vd, PBVH_ITER_UNIQUE) + { + const float mask = (vd.mask) ? *vd.mask : 0.0f; + if (mask < 1.0f) { + if (SCULPT_check_vertex_pivot_symmetry(vd.co, ss->pivot_pos, symm)) { + add_v3_v3(avg, vd.co); + total++; + } + } + } + BKE_pbvh_vertex_iter_end; + } + } + /* Pivot to mask border. */ + else if (mode == SCULPT_PIVOT_POSITION_MASK_BORDER) { + const float threshold = 0.2f; + + for (int n = 0; n < totnode; n++) { + PBVHVertexIter vd; + BKE_pbvh_vertex_iter_begin(ss->pbvh, nodes[n], vd, PBVH_ITER_UNIQUE) + { + const float mask = (vd.mask) ? *vd.mask : 0.0f; + if (mask < (0.5f + threshold) && mask > (0.5f - threshold)) { + if (SCULPT_check_vertex_pivot_symmetry(vd.co, ss->pivot_pos, symm)) { + add_v3_v3(avg, vd.co); + total++; + } + } + } + BKE_pbvh_vertex_iter_end; + } + } + + if (total > 0) { + mul_v3_fl(avg, 1.0f / total); + copy_v3_v3(ss->pivot_pos, avg); + } + + MEM_SAFE_FREE(nodes); + } + + ED_region_tag_redraw(region); + WM_event_add_notifier(C, NC_GEOM | ND_SELECT, ob->data); + + return OPERATOR_FINISHED; +} + +static int sculpt_set_pivot_position_invoke(bContext *C, wmOperator *op, const wmEvent *event) +{ + RNA_float_set(op->ptr, "mouse_x", event->mval[0]); + RNA_float_set(op->ptr, "mouse_y", event->mval[1]); + return sculpt_set_pivot_position_exec(C, op); +} + +void SCULPT_OT_set_pivot_position(wmOperatorType *ot) +{ + /* Identifiers. */ + ot->name = "Set Pivot Position"; + ot->idname = "SCULPT_OT_set_pivot_position"; + ot->description = "Sets the sculpt transform pivot position"; + + /* API callbacks. */ + ot->invoke = sculpt_set_pivot_position_invoke; + ot->exec = sculpt_set_pivot_position_exec; + ot->poll = SCULPT_mode_poll; + + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + RNA_def_enum(ot->srna, + "mode", + prop_sculpt_pivot_position_types, + SCULPT_PIVOT_POSITION_UNMASKED, + "Mode", + ""); + + RNA_def_float(ot->srna, + "mouse_x", + 0.0f, + 0.0f, + FLT_MAX, + "Mouse Position X", + "Position of the mouse used for \"Surface\" mode", + 0.0f, + 10000.0f); + RNA_def_float(ot->srna, + "mouse_y", + 0.0f, + 0.0f, + FLT_MAX, + "Mouse Position Y", + "Position of the mouse used for \"Surface\" mode", + 0.0f, + 10000.0f); +} |