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Diffstat (limited to 'source/blender/src/editarmature_generate.c')
| -rw-r--r-- | source/blender/src/editarmature_generate.c | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/source/blender/src/editarmature_generate.c b/source/blender/src/editarmature_generate.c deleted file mode 100644 index 189a823ab98..00000000000 --- a/source/blender/src/editarmature_generate.c +++ /dev/null @@ -1,327 +0,0 @@ -/** - * $Id: editarmature_generate.c $ - * - * ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - * editarmature.c: Interface for creating and posing armature objects - */ - -#include <string.h> -#include <math.h> - -#include "MEM_guardedalloc.h" - -#include "DNA_listBase.h" -#include "DNA_scene_types.h" -#include "DNA_armature_types.h" - -#include "BLI_blenlib.h" -#include "BLI_arithb.h" -#include "BLI_graph.h" - -#include "BKE_utildefines.h" -#include "BKE_global.h" - -#include "BIF_editarmature.h" -#include "BIF_generate.h" - -void setBoneRollFromNormal(EditBone *bone, float *no, float invmat[][4], float tmat[][3]) -{ - if (no != NULL && !VecIsNull(no)) - { - float tangent[3], cotangent[3], normal[3]; - - VECCOPY(normal, no); - Mat3MulVecfl(tmat, normal); - - VecSubf(tangent, bone->tail, bone->head); - Crossf(cotangent, tangent, normal); - Crossf(normal, cotangent, tangent); - - Normalize(normal); - - bone->roll = rollBoneToVector(bone, normal); - } -} - -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); - VecSubf(v, iter->p, v0); - avg_t += Inpf(v, n); - } - - avg_t /= Inpf(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); - VecSubf(v, iter->p, v0); - Projf(d, v, n); - VecSubf(v, v, d); - - dt = VecLength(d) - avg_t; - - s_t += dt * dt; - s_xyz += Inpf(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(BArcIterator *iter, int start, int end, float 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 += VecLenf(v1, v2); - - v1 = v2; - } - - n = 0; - current_length = 0; - } - - n++; - - length_threshold = n * stroke_length / G.scene->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 += VecLenf(v1, v2); - - if (current_length >= length_threshold) - { - VECCOPY(p, v2); - return i; - } - - v1 = v2; - } - - stroke_length = 0; - - return -1; -} -int nextAdaptativeSubdivision(BArcIterator *iter, int start, int end, float head[3], float p[3]) -{ - float correlation_threshold = G.scene->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); - VecSubf(n, iter->p, head); - - if (calcArcCorrelation(iter, start, i, start_p, n) < correlation_threshold) - { - IT_peek(iter, i - 1); - VECCOPY(p, iter->p); - return i - 1; - } - } - - return -1; -} - -int nextLengthSubdivision(BArcIterator *iter, int start, int end, float head[3], float p[3]) -{ - float lengthLimit = G.scene->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 (VecLenf(vec1, head) > lengthLimit) - { - if (same == 0) - { - float dv[3], off[3]; - float a, b, c, f; - - /* Solve quadratic distance equation */ - VecSubf(dv, vec1, vec0); - a = Inpf(dv, dv); - - VecSubf(off, vec0, head); - b = 2 * Inpf(dv, off); - - c = Inpf(off, off) - (lengthLimit * lengthLimit); - - f = (-b + (float)sqrt(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) - { - VECCOPY(p, dv); - VecMulf(p, f); - VecAddf(p, p, vec0); - } - else - { - VECCOPY(p, vec1); - } - } - else - { - float dv[3]; - - VecSubf(dv, vec1, vec0); - Normalize(dv); - - VECCOPY(p, dv); - VecMulf(p, lengthLimit); - VecAddf(p, p, head); - } - - return i - 1; /* restart at lower bound */ - } - else - { - i++; - same = 0; // Reset same - } - } - - return -1; -} - -EditBone * subdivideArcBy(bArmature *arm, ListBase *editbones, BArcIterator *iter, float invmat[][4], float tmat[][3], NextSubdivisionFunc next_subdividion) -{ - EditBone *lastBone = NULL; - EditBone *child = NULL; - EditBone *parent = NULL; - int bone_start = 0; - int end = iter->length; - int index; - - IT_head(iter); - - parent = addEditBone("Bone", editbones, arm); - VECCOPY(parent->head, iter->p); - - index = next_subdividion(iter, bone_start, end, parent->head, parent->tail); - while (index != -1) - { - IT_peek(iter, index); - - child = addEditBone("Bone", editbones, arm); - VECCOPY(child->head, parent->tail); - child->parent = parent; - child->flag |= BONE_CONNECTED; - - /* going to next bone, fix parent */ - Mat4MulVecfl(invmat, parent->tail); - Mat4MulVecfl(invmat, parent->head); - setBoneRollFromNormal(parent, iter->no, invmat, tmat); - - parent = child; // new child is next parent - bone_start = index; // start next bone from current index - - index = next_subdividion(iter, bone_start, end, parent->head, parent->tail); - } - - iter->tail(iter); - - VECCOPY(parent->tail, iter->p); - - /* fix last bone */ - Mat4MulVecfl(invmat, parent->tail); - Mat4MulVecfl(invmat, parent->head); - setBoneRollFromNormal(parent, iter->no, invmat, tmat); - lastBone = parent; - - return lastBone; -} |