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path: root/source/blender/editors/armature/editarmature_generate.c
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Diffstat (limited to 'source/blender/editors/armature/editarmature_generate.c')
-rw-r--r--source/blender/editors/armature/editarmature_generate.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/source/blender/editors/armature/editarmature_generate.c b/source/blender/editors/armature/editarmature_generate.c
deleted file mode 100644
index 57843265496..00000000000
--- a/source/blender/editors/armature/editarmature_generate.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/*
- * ***** BEGIN GPL LICENSE BLOCK *****
- *
- * 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.
- *
- * ***** END GPL LICENSE BLOCK *****
- */
-
-/** \file blender/editors/armature/editarmature_generate.c
- * \ingroup edarmature
- */
-
-#include "DNA_scene_types.h"
-#include "DNA_armature_types.h"
-
-#include "BLI_math.h"
-#include "BLI_graph.h"
-
-#include "ED_armature.h"
-#include "BIF_generate.h"
-
-void setBoneRollFromNormal(EditBone *bone, const float no[3], float UNUSED(invmat[4][4]), float tmat[3][3])
-{
- if (no != NULL && !is_zero_v3(no)) {
- float normal[3];
-
- copy_v3_v3(normal, no);
- mul_m3_v3(tmat, normal);
-
- bone->roll = ED_armature_ebone_roll_to_vector(bone, normal, false);
- }
-}
-
-float calcArcCorrelation(BArcIterator *iter, int start, int end, float v0[3], float n[3])
-{
- int len = 2 + abs(end - start);
-
- if (len > 2) {
- float avg_t = 0.0f;
- float s_t = 0.0f;
- float s_xyz = 0.0f;
- int i;
-
- /* First pass, calculate average */
- for (i = start; i <= end; i++) {
- float v[3];
-
- IT_peek(iter, i);
- sub_v3_v3v3(v, iter->p, v0);
- avg_t += dot_v3v3(v, n);
- }
-
- avg_t /= dot_v3v3(n, n);
- avg_t += 1.0f; /* adding start (0) and end (1) values */
- avg_t /= len;
-
- /* Second pass, calculate s_xyz and s_t */
- for (i = start; i <= end; i++) {
- float v[3], d[3];
- float dt;
-
- IT_peek(iter, i);
- sub_v3_v3v3(v, iter->p, v0);
- project_v3_v3v3(d, v, n);
- sub_v3_v3(v, d);
-
- dt = len_v3(d) - avg_t;
-
- s_t += dt * dt;
- s_xyz += dot_v3v3(v, v);
- }
-
- /* adding start(0) and end(1) values to s_t */
- s_t += (avg_t * avg_t) + (1 - avg_t) * (1 - avg_t);
-
- return 1.0f - s_xyz / s_t;
- }
- else {
- return 1.0f;
- }
-}
-
-int nextFixedSubdivision(ToolSettings *toolsettings, BArcIterator *iter, int start, int end, float UNUSED(head[3]), float p[3])
-{
- static float stroke_length = 0;
- static float current_length;
- static char n;
- float *v1, *v2;
- float length_threshold;
- int i;
-
- if (stroke_length == 0) {
- current_length = 0;
-
- IT_peek(iter, start);
- v1 = iter->p;
-
- for (i = start + 1; i <= end; i++) {
- IT_peek(iter, i);
- v2 = iter->p;
-
- stroke_length += len_v3v3(v1, v2);
-
- v1 = v2;
- }
-
- n = 0;
- current_length = 0;
- }
-
- n++;
-
- length_threshold = n * stroke_length / toolsettings->skgen_subdivision_number;
-
- IT_peek(iter, start);
- v1 = iter->p;
-
- /* < and not <= because we don't care about end, it is P_EXACT anyway */
- for (i = start + 1; i < end; i++) {
- IT_peek(iter, i);
- v2 = iter->p;
-
- current_length += len_v3v3(v1, v2);
-
- if (current_length >= length_threshold) {
- copy_v3_v3(p, v2);
- return i;
- }
-
- v1 = v2;
- }
-
- stroke_length = 0;
-
- return -1;
-}
-int nextAdaptativeSubdivision(ToolSettings *toolsettings, BArcIterator *iter, int start, int end, float head[3], float p[3])
-{
- float correlation_threshold = toolsettings->skgen_correlation_limit;
- float *start_p;
- float n[3];
- int i;
-
- IT_peek(iter, start);
- start_p = iter->p;
-
- for (i = start + 2; i <= end; i++) {
- /* Calculate normal */
- IT_peek(iter, i);
- sub_v3_v3v3(n, iter->p, head);
-
- if (calcArcCorrelation(iter, start, i, start_p, n) < correlation_threshold) {
- IT_peek(iter, i - 1);
- copy_v3_v3(p, iter->p);
- return i - 1;
- }
- }
-
- return -1;
-}
-
-int nextLengthSubdivision(ToolSettings *toolsettings, BArcIterator *iter, int start, int end, float head[3], float p[3])
-{
- float lengthLimit = toolsettings->skgen_length_limit;
- int same = 1;
- int i;
-
- i = start + 1;
- while (i <= end) {
- float *vec0;
- float *vec1;
-
- IT_peek(iter, i - 1);
- vec0 = iter->p;
-
- IT_peek(iter, i);
- vec1 = iter->p;
-
- /* If lengthLimit hits the current segment */
- if (len_v3v3(vec1, head) > lengthLimit) {
- if (same == 0) {
- float dv[3], off[3];
- float a, b, c, f;
-
- /* Solve quadratic distance equation */
- sub_v3_v3v3(dv, vec1, vec0);
- a = dot_v3v3(dv, dv);
-
- sub_v3_v3v3(off, vec0, head);
- b = 2 * dot_v3v3(dv, off);
-
- c = dot_v3v3(off, off) - (lengthLimit * lengthLimit);
-
- f = (-b + sqrtf(b * b - 4 * a * c)) / (2 * a);
-
- //printf("a %f, b %f, c %f, f %f\n", a, b, c, f);
-
- if (isnan(f) == 0 && f < 1.0f) {
- copy_v3_v3(p, dv);
- mul_v3_fl(p, f);
- add_v3_v3(p, vec0);
- }
- else {
- copy_v3_v3(p, vec1);
- }
- }
- else {
- float dv[3];
-
- sub_v3_v3v3(dv, vec1, vec0);
- normalize_v3(dv);
-
- copy_v3_v3(p, dv);
- mul_v3_fl(p, lengthLimit);
- add_v3_v3(p, head);
- }
-
- return i - 1; /* restart at lower bound */
- }
- else {
- i++;
- same = 0; // Reset same
- }
- }
-
- return -1;
-}
-
-EditBone *subdivideArcBy(ToolSettings *toolsettings, bArmature *arm, ListBase *UNUSED(editbones), BArcIterator *iter,
- float invmat[4][4], float tmat[3][3], NextSubdivisionFunc next_subdividion)
-{
- EditBone *lastBone = NULL;
- EditBone *child = NULL;
- EditBone *parent = NULL;
- float *normal = NULL;
- float size_buffer = 1.2;
- int bone_start = 0;
- int end = iter->length;
- int index;
-
- IT_head(iter);
-
- parent = ED_armature_ebone_add(arm, "Bone");
- copy_v3_v3(parent->head, iter->p);
-
- if (iter->size > FLT_EPSILON) {
- parent->rad_head = iter->size * size_buffer;
- }
-
- normal = iter->no;
-
- index = next_subdividion(toolsettings, iter, bone_start, end, parent->head, parent->tail);
- while (index != -1) {
- IT_peek(iter, index);
-
- child = ED_armature_ebone_add(arm, "Bone");
- copy_v3_v3(child->head, parent->tail);
- child->parent = parent;
- child->flag |= BONE_CONNECTED;
-
- if (iter->size > FLT_EPSILON) {
- child->rad_head = iter->size * size_buffer;
- parent->rad_tail = iter->size * size_buffer;
- }
-
- /* going to next bone, fix parent */
- mul_m4_v3(invmat, parent->tail);
- mul_m4_v3(invmat, parent->head);
- setBoneRollFromNormal(parent, normal, invmat, tmat);
-
- parent = child; // new child is next parent
- bone_start = index; // start next bone from current index
-
- normal = iter->no; /* use normal at head, not tail */
-
- index = next_subdividion(toolsettings, iter, bone_start, end, parent->head, parent->tail);
- }
-
- iter->tail(iter);
-
- copy_v3_v3(parent->tail, iter->p);
- if (iter->size > FLT_EPSILON) {
- parent->rad_tail = iter->size * size_buffer;
- }
-
- /* fix last bone */
- mul_m4_v3(invmat, parent->tail);
- mul_m4_v3(invmat, parent->head);
- setBoneRollFromNormal(parent, iter->no, invmat, tmat);
- lastBone = parent;
-
- return lastBone;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-28 17:08:47 +0300