diff options
Diffstat (limited to 'source/blender/src/editparticle.c')
| -rw-r--r-- | source/blender/src/editparticle.c | 3210 |
1 files changed, 0 insertions, 3210 deletions
diff --git a/source/blender/src/editparticle.c b/source/blender/src/editparticle.c deleted file mode 100644 index d48b84789d8..00000000000 --- a/source/blender/src/editparticle.c +++ /dev/null @@ -1,3210 +0,0 @@ -/* editparticle.c - * - * - * $Id$ - * - * ***** 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) 2007 by Janne Karhu. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - */ - -#include <stdlib.h> -#include <math.h> -#include <string.h> - -#include "MEM_guardedalloc.h" - -#include "DNA_scene_types.h" -#include "DNA_mesh_types.h" -#include "DNA_meshdata_types.h" -#include "DNA_modifier_types.h" -#include "DNA_object_force.h" -#include "DNA_object_types.h" -#include "DNA_vec_types.h" -#include "DNA_userdef_types.h" -#include "DNA_view3d_types.h" -#include "DNA_screen_types.h" -#include "DNA_space_types.h" - -#include "BKE_bad_level_calls.h" -#include "BKE_DerivedMesh.h" -#include "BKE_depsgraph.h" - -#include "BKE_global.h" -#include "BKE_object.h" -#include "BKE_mesh.h" -#include "BKE_modifier.h" -#include "BKE_particle.h" -#include "BKE_scene.h" -#include "BKE_utildefines.h" - -#include "BSE_edit.h" - -#include "BLI_arithb.h" -#include "BLI_blenlib.h" -#include "BLI_dynstr.h" -#include "BLI_kdtree.h" -#include "BLI_rand.h" - -#include "PIL_time.h" - -#include "BIF_gl.h" -#include "BIF_glutil.h" -#include "BIF_graphics.h" -#include "BIF_editparticle.h" -#include "BIF_editview.h" -#include "BIF_interface.h" -#include "BIF_meshtools.h" -#include "BIF_mywindow.h" -#include "BIF_radialcontrol.h" -#include "BIF_resources.h" -#include "BIF_screen.h" -#include "BIF_space.h" -#include "BIF_toolbox.h" - -#include "BSE_view.h" - -#include "BDR_editobject.h" //rightmouse_transform() -#include "BDR_drawobject.h" - -#include "blendef.h" -#include "mydevice.h" - -static void ParticleUndo_clear(ParticleSystem *psys); - -#define LOOP_PARTICLES(i,pa) for(i=0, pa=psys->particles; i<totpart; i++, pa++) -#define LOOP_KEYS(k,key) if(psys->edit)for(k=0, key=psys->edit->keys[i]; k<pa->totkey; k++, key++) - -void PE_free_particle_edit(ParticleSystem *psys) -{ - ParticleEdit *edit=psys->edit; - int i, totpart=psys->totpart; - - if(edit==0) return; - - ParticleUndo_clear(psys); - - if(edit->keys){ - for(i=0; i<totpart; i++){ - if(edit->keys[i]) - MEM_freeN(edit->keys[i]); - } - MEM_freeN(edit->keys); - } - - if(edit->mirror_cache) - MEM_freeN(edit->mirror_cache); - - if(edit->emitter_cosnos){ - MEM_freeN(edit->emitter_cosnos); - edit->emitter_cosnos=0; - } - - if(edit->emitter_field){ - BLI_kdtree_free(edit->emitter_field); - edit->emitter_field=0; - } - - MEM_freeN(edit); - - psys->edit=NULL; -} -/************************************************/ -/* Edit Mode Helpers */ -/************************************************/ -int PE_can_edit(ParticleSystem *psys) -{ - return (psys && psys->edit && (G.f & G_PARTICLEEDIT)); -} - -ParticleEditSettings *PE_settings() -{ - return &G.scene->toolsettings->particle; -} - -void PE_change_act(void *ob_v, void *act_v) -{ - Object *ob = ob_v; - ParticleSystem *psys; - short act = *((short*)act_v) - 1; - - if((psys=psys_get_current(ob))) - psys->flag &= ~PSYS_CURRENT; - - if(act>=0){ - if((psys=BLI_findlink(&ob->particlesystem,act))) { - psys->flag |= PSYS_CURRENT; - - if(psys_check_enabled(ob, psys)) { - if(G.f & G_PARTICLEEDIT && !psys->edit) - PE_create_particle_edit(ob, psys); - PE_recalc_world_cos(ob, psys); - } - } - } -} - -void PE_change_act_psys(Object *ob, ParticleSystem *psys) -{ - ParticleSystem *p; - - if((p=psys_get_current(ob))) - p->flag &= ~PSYS_CURRENT; - - psys->flag |= PSYS_CURRENT; - - if(psys_check_enabled(ob, psys)) { - if(G.f & G_PARTICLEEDIT && !psys->edit) - PE_create_particle_edit(ob, psys); - PE_recalc_world_cos(ob, psys); - } -} - -/* always gets atleast the first particlesystem even if PSYS_CURRENT flag is not set */ -ParticleSystem *PE_get_current(Object *ob) -{ - ParticleSystem *psys; - - if(ob==NULL) - return NULL; - - psys= ob->particlesystem.first; - while(psys){ - if(psys->flag & PSYS_CURRENT) - break; - psys=psys->next; - } - - if(psys==NULL && ob->particlesystem.first){ - psys=ob->particlesystem.first; - psys->flag |= PSYS_CURRENT; - } - - if(psys && psys_check_enabled(ob, psys) && ob == OBACT && (G.f & G_PARTICLEEDIT)) - if(psys->part->type == PART_HAIR && psys->flag & PSYS_EDITED) - if(psys->edit == NULL) - PE_create_particle_edit(ob, psys); - - return psys; -} -/* returns -1 if no system has PSYS_CURRENT flag */ -short PE_get_current_num(Object *ob) -{ - short num=0; - ParticleSystem *psys = ob->particlesystem.first; - - while(psys){ - if(psys->flag & PSYS_CURRENT) - return num; - num++; - psys=psys->next; - } - - return -1; -} - -void PE_hide_keys_time(ParticleSystem *psys, float cfra) -{ - ParticleData *pa; - ParticleEditKey *key; - ParticleEditSettings *pset=PE_settings(); - int i,k,totpart=psys->totpart; - - if(pset->draw_timed && G.scene->selectmode==SCE_SELECT_POINT){ - LOOP_PARTICLES(i,pa){ - LOOP_KEYS(k,key){ - if(fabs(cfra-*key->time) < pset->draw_timed) - key->flag &= ~PEK_HIDE; - else{ - key->flag |= PEK_HIDE; - key->flag &= ~PEK_SELECT; - } - } - } - } - else{ - LOOP_PARTICLES(i,pa){ - LOOP_KEYS(k,key){ - key->flag &= ~PEK_HIDE; - } - } - } -} - -static int key_inside_circle(short mco[2], float rad, float co[3], float *distance) -{ - float dx,dy,dist; - short vertco[2]; - - project_short(co,vertco); - - if (vertco[0]==IS_CLIPPED) - return 0; - - dx=(float)(mco[0]-vertco[0]); - dy=(float)(mco[1]-vertco[1]); - dist=(float)sqrt((double)(dx*dx + dy*dy)); - - if(dist<=rad){ - if(distance) *distance=dist; - return 1; - } - else - return 0; -} -static int key_inside_rect(rcti *rect, float co[3]) -{ - short vertco[2]; - - project_short(co,vertco); - - if (vertco[0]==IS_CLIPPED) - return 0; - - if(vertco[0] > rect->xmin && vertco[0] < rect->xmax && - vertco[1] > rect->ymin && vertco[1] < rect->ymax) - return 1; - else - return 0; -} -static int test_key_depth(float *co, bglMats *mats){ - double ux, uy, uz; - float depth; - short wco[3], x,y; - - if((G.vd->drawtype<=OB_WIRE) || (G.vd->flag & V3D_ZBUF_SELECT)==0) return 1; - - gluProject(co[0],co[1],co[2], mats->modelview, mats->projection, - (GLint *)mats->viewport, &ux, &uy, &uz ); - - project_short(co,wco); - - if (wco[0]==IS_CLIPPED) - return 0; - - x=wco[0]; - y=wco[1]; - - if(G.vd->depths && x<G.vd->depths->w && y<G.vd->depths->h){ - /* the 0.0001 is an experimental threshold to make selecting keys right next to a surface work better */ - if((float)uz - 0.0001 > G.vd->depths->depths[y*G.vd->depths->w+x]) - return 0; - else - return 1; - } - else{ - x+= (short)curarea->winrct.xmin; - y+= (short)curarea->winrct.ymin; - - glReadPixels(x, y, 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &depth); - - if((float)uz - 0.0001 > depth) - return 0; - else - return 1; - } -} - -static int particle_is_selected(ParticleSystem *psys, ParticleData *pa) -{ - ParticleEditKey *key; - int sel, i, k; - - if(pa->flag&PARS_HIDE) return 0; - - sel=0; - i= pa - psys->particles; - LOOP_KEYS(k,key) - if(key->flag&PEK_SELECT) - return 1; - - return 0; -} - -/*-----iterators over editable particles-----*/ -static void for_mouse_hit_keys(int nearest, ParticleSystem *psys, void (*func)(ParticleSystem *psys, int pa_index, int key_index, void *userData), void *userData){ - /* these are allways the first in this userData */ - struct { short *mval; float rad; rcti *rect;} *data = userData; - ParticleData *pa; - ParticleEditKey *key; - bglMats mats; - int i,k, totpart, nearest_pa=-1, nearest_key=-1; - float dist=data->rad; - - if(psys==0 || G.scene->selectmode==SCE_SELECT_PATH) return; - - totpart=psys->totpart; - - bgl_get_mats(&mats); - - LOOP_PARTICLES(i,pa){ - if(pa->flag & PARS_HIDE) continue; - - if(G.scene->selectmode==SCE_SELECT_END){ - key=psys->edit->keys[i]+pa->totkey-1; - - if(nearest){ - if(key_inside_circle(data->mval,dist,key->world_co,&dist) && test_key_depth(key->world_co,&mats)){ - nearest_pa=i; - nearest_key=pa->totkey-1; - } - } - else if(((data->mval)? - key_inside_circle(data->mval,data->rad,key->world_co,0): - key_inside_rect(data->rect,key->world_co)) && test_key_depth(key->world_co,&mats)) - func(psys,i,pa->totkey-1,userData); - } - else{ - key=psys->edit->keys[i]; - - LOOP_KEYS(k,key){ - if(key->flag&PEK_HIDE) continue; - - if(nearest){ - if(key_inside_circle(data->mval,dist,key->world_co,&dist) && test_key_depth(key->world_co,&mats)){ - nearest_pa=i; - nearest_key=k; - } - } - else if(((data->mval)? - key_inside_circle(data->mval,data->rad,key->world_co,0): - key_inside_rect(data->rect,key->world_co)) && test_key_depth(key->world_co,&mats)) - func(psys,i,k,userData); - } - } - } - if(nearest && nearest_pa>-1){ - func(psys,nearest_pa,nearest_key,userData); - } -} -static void foreach_mouse_hit_element(int selected, ParticleSystem *psys,void (*func)(ParticleSystem *psys, int index, void *userData), void *userData){ - /* these are allways the first in this userData */ - struct { short *mval; float rad; rcti* rect; float dist;} *data = userData; - ParticleData *pa; - ParticleEditKey *key; - bglMats mats; - int i,k, totpart; - - if(psys==0) return; - - totpart=psys->totpart; - - bgl_get_mats(&mats); - - if(G.scene->selectmode==SCE_SELECT_PATH) - selected=0; - - LOOP_PARTICLES(i,pa){ - if(pa->flag & PARS_HIDE) continue; - - if(G.scene->selectmode==SCE_SELECT_END){ - key=psys->edit->keys[i]+pa->totkey-1; - if(key_inside_circle(data->mval,data->rad,key->world_co,&data->dist) && (selected==0 || key->flag&PEK_SELECT) && test_key_depth(key->world_co,&mats)) - func(psys,i,userData); - } - else{ - LOOP_KEYS(k,key){ - if(key->flag&PEK_HIDE) continue; - - if(key_inside_circle(data->mval,data->rad,key->world_co,&data->dist) && (selected==0 || key->flag&PEK_SELECT) && test_key_depth(key->world_co,&mats)){ - func(psys,i,userData); - break; - } - } - } - } -} -static void foreach_mouse_hit_key(int selected, ParticleSystem *psys,void (*func)(ParticleSystem *psys, float mat[][4], float imat[][4], int bel_index, int key_index, void *userData), void *userData){ - /* these are allways the first in this userData */ - struct { Object *ob; short *mval; float rad; rcti* rect; float dist;} *data = userData; - ParticleData *pa; - ParticleEditKey *key; - ParticleSystemModifierData *psmd=0; - bglMats mats; - int i,k, totpart; - float mat[4][4], imat[4][4]; - - if(psys==0) return; - - psmd=psys_get_modifier(data->ob,psys); - - totpart=psys->totpart; - - bgl_get_mats(&mats); - - if(G.scene->selectmode==SCE_SELECT_PATH) - selected=0; - - Mat4One(imat); - Mat4One(mat); - - LOOP_PARTICLES(i,pa){ - if(pa->flag & PARS_HIDE) continue; - - psys_mat_hair_to_global(data->ob, psmd->dm, psys->part->from, pa, mat); - //psys_geometry_mat(psmd->dm,pa,tmat); - //Mat4MulMat4(mat,tmat,data->ob->obmat); - Mat4Invert(imat,mat); - - if(G.scene->selectmode==SCE_SELECT_END){ - key=psys->edit->keys[i]+pa->totkey-1; - if(key_inside_circle(data->mval,data->rad,key->world_co,&data->dist) && (selected==0 || key->flag&PEK_SELECT) && test_key_depth(key->world_co,&mats)) - func(psys,mat,imat,i,pa->totkey-1,userData); - } - else{ - LOOP_KEYS(k,key){ - if(key->flag&PEK_HIDE) continue; - - if(key_inside_circle(data->mval,data->rad,key->world_co,&data->dist) && (selected==0 || key->flag&PEK_SELECT) && test_key_depth(key->world_co,&mats)){ - func(psys,mat,imat,i,k,userData); - } - } - } - } -} -static void foreach_selected_element(ParticleSystem *psys, void (*func)(ParticleSystem *psys, int index, void *userData), void *userData){ - ParticleData *pa; - int i,totpart; - - if(psys==0) return; - - totpart=psys->totpart; - - LOOP_PARTICLES(i,pa) - if(particle_is_selected(psys, pa)) - func(psys,i,userData); -} -static void foreach_selected_key(ParticleSystem *psys, void (*func)(ParticleSystem *psys, int pa_index, int key_index, void *userData), void *userData){ - ParticleData *pa; - ParticleEditKey *key; - int i,k,totpart; - - if(psys==0) return; - - totpart=psys->totpart; - - LOOP_PARTICLES(i,pa){ - if(pa->flag&PARS_HIDE) continue; - - key=psys->edit->keys[i]; - LOOP_KEYS(k,key){ - if(key->flag&PEK_SELECT) - func(psys,i,k,userData); - } - } -} -void PE_foreach_element(ParticleSystem *psys, void (*func)(ParticleSystem *psys, int index, void *userData), void *userData) -{ - int i,totpart; - - if(psys==0) return; - - totpart=psys->totpart; - - for(i=0; i<totpart; i++) - func(psys,i,userData); -} -static int count_selected_keys(ParticleSystem *psys) -{ - ParticleData *pa; - ParticleEditKey *key; - int i,k,totpart,sel=0; - - if(psys==0) return 0; - - totpart=psys->totpart; - - LOOP_PARTICLES(i,pa){ - if(pa->flag&PARS_HIDE) continue; - - key=psys->edit->keys[i]; - if(G.scene->selectmode==SCE_SELECT_POINT){ - for(k=0; k<pa->totkey; k++,key++){ - if(key->flag&PEK_SELECT) - sel++; - } - } - else if(G.scene->selectmode==SCE_SELECT_END){ - key+=pa->totkey-1; - if(key->flag&PEK_SELECT) - sel++; - } - } - return sel; -} - -/************************************************/ -/* Particle Edit Mirroring */ -/************************************************/ - -static void PE_update_mirror_cache(Object *ob, ParticleSystem *psys) -{ - ParticleEdit *edit; - ParticleData *pa; - ParticleSystemModifierData *psmd; - KDTree *tree; - KDTreeNearest nearest; - float mat[4][4], co[3]; - int i, index, totpart; - - edit= psys->edit; - psmd= psys_get_modifier(ob, psys); - totpart= psys->totpart; - - tree= BLI_kdtree_new(totpart); - - /* insert particles into kd tree */ - LOOP_PARTICLES(i,pa) { - psys_mat_hair_to_orco(ob, psmd->dm, psys->part->from, pa, mat); - VECCOPY(co, pa->hair[0].co); - Mat4MulVecfl(mat, co); - BLI_kdtree_insert(tree, i, co, NULL); - } - - BLI_kdtree_balance(tree); - - /* lookup particles and set in mirror cache */ - if(!edit->mirror_cache) - edit->mirror_cache= MEM_callocN(sizeof(int)*totpart, "PE mirror cache"); - - LOOP_PARTICLES(i,pa) { - psys_mat_hair_to_orco(ob, psmd->dm, psys->part->from, pa, mat); - VECCOPY(co, pa->hair[0].co); - Mat4MulVecfl(mat, co); - co[0]= -co[0]; - - index= BLI_kdtree_find_nearest(tree, co, NULL, &nearest); - - /* this needs a custom threshold still, duplicated for editmode mirror */ - if(index != -1 && index != i && (nearest.dist <= 0.0002f)) - edit->mirror_cache[i]= index; - else - edit->mirror_cache[i]= -1; - } - - /* make sure mirrors are in two directions */ - LOOP_PARTICLES(i,pa) { - if(edit->mirror_cache[i]) { - index= edit->mirror_cache[i]; - if(edit->mirror_cache[index] != i) - edit->mirror_cache[i]= -1; - } - } - - BLI_kdtree_free(tree); -} - -static void PE_mirror_particle(Object *ob, DerivedMesh *dm, ParticleSystem *psys, ParticleData *pa, ParticleData *mpa) -{ - HairKey *hkey, *mhkey; - ParticleEditKey *key, *mkey; - ParticleEdit *edit; - float mat[4][4], mmat[4][4], immat[4][4]; - int i, mi, k; - - edit= psys->edit; - i= pa - psys->particles; - - /* find mirrored particle if needed */ - if(!mpa) { - if(!edit->mirror_cache) - PE_update_mirror_cache(ob, psys); - - mi= edit->mirror_cache[i]; - if(mi == -1) - return; - mpa= psys->particles + mi; - } - else - mi= mpa - psys->particles; - - /* make sure they have the same amount of keys */ - if(pa->totkey != mpa->totkey) { - if(mpa->hair) MEM_freeN(mpa->hair); - if(edit->keys[mi]) MEM_freeN(edit->keys[mi]); - - mpa->hair= MEM_dupallocN(pa->hair); - edit->keys[mi]= MEM_dupallocN(edit->keys[i]); - mpa->totkey= pa->totkey; - - mhkey= mpa->hair; - mkey= edit->keys[mi]; - for(k=0; k<mpa->totkey; k++, mkey++, mhkey++) { - mkey->co= mhkey->co; - mkey->time= &mhkey->time; - mkey->flag &= PEK_SELECT; - } - } - - /* mirror positions and tags */ - psys_mat_hair_to_orco(ob, dm, psys->part->from, pa, mat); - psys_mat_hair_to_orco(ob, dm, psys->part->from, mpa, mmat); - Mat4Invert(immat, mmat); - - hkey=pa->hair; - mhkey=mpa->hair; - key= edit->keys[i]; - mkey= edit->keys[mi]; - for(k=0; k<pa->totkey; k++, hkey++, mhkey++, key++, mkey++) { - VECCOPY(mhkey->co, hkey->co); - Mat4MulVecfl(mat, mhkey->co); - mhkey->co[0]= -mhkey->co[0]; - Mat4MulVecfl(immat, mhkey->co); - - if(key->flag & PEK_TAG) - mkey->flag |= PEK_TAG; - } - - if(pa->flag & PARS_TAG) - mpa->flag |= PARS_TAG; - if(pa->flag & PARS_EDIT_RECALC) - mpa->flag |= PARS_EDIT_RECALC; -} - -static void PE_apply_mirror(Object *ob, ParticleSystem *psys) -{ - ParticleEdit *edit; - ParticleData *pa; - ParticleSystemModifierData *psmd; - int i, totpart; - - edit= psys->edit; - psmd= psys_get_modifier(ob, psys); - totpart= psys->totpart; - - /* we delay settings the PARS_EDIT_RECALC for mirrored particles - * to avoid doing mirror twice */ - LOOP_PARTICLES(i,pa) { - if(pa->flag & PARS_EDIT_RECALC) { - PE_mirror_particle(ob, psmd->dm, psys, pa, NULL); - - if(edit->mirror_cache[i] != -1) - psys->particles[edit->mirror_cache[i]].flag &= ~PARS_EDIT_RECALC; - } - } - - LOOP_PARTICLES(i,pa) - if(pa->flag & PARS_EDIT_RECALC) - if(edit->mirror_cache[i] != -1) - psys->particles[edit->mirror_cache[i]].flag |= PARS_EDIT_RECALC; - - edit->totkeys= psys_count_keys(psys); -} - -/************************************************/ -/* Edit Calculation */ -/************************************************/ -/* tries to stop edited particles from going through the emitter's surface */ -static void PE_deflect_emitter(Object *ob, ParticleSystem *psys) -{ - ParticleEdit *edit; - ParticleData *pa; - ParticleEditKey *key; - ParticleEditSettings *pset = PE_settings(); - ParticleSystemModifierData *psmd = psys_get_modifier(ob,psys); - int i,k,totpart,index; - float *vec, *nor, dvec[3], dot, dist_1st; - float hairimat[4][4], hairmat[4][4]; - - if(psys==0) - return; - - if((pset->flag & PE_DEFLECT_EMITTER)==0) - return; - - edit=psys->edit; - totpart=psys->totpart; - - LOOP_PARTICLES(i,pa){ - if(!(pa->flag & PARS_EDIT_RECALC)) - continue; - - psys_mat_hair_to_object(ob, psmd->dm, psys->part->from, pa, hairmat); - - LOOP_KEYS(k,key){ - Mat4MulVecfl(hairmat, key->co); - } - //} - - //LOOP_PARTICLES(i,pa){ - key=psys->edit->keys[i]+1; - - dist_1st=VecLenf((key-1)->co,key->co); - dist_1st*=0.75f*pset->emitterdist; - - for(k=1; k<pa->totkey; k++, key++){ - index= BLI_kdtree_find_nearest(edit->emitter_field,key->co,NULL,NULL); - - vec=edit->emitter_cosnos +index*6; - nor=vec+3; - - VecSubf(dvec, key->co, vec); - - dot=Inpf(dvec,nor); - VECCOPY(dvec,nor); - - if(dot>0.0f){ - if(dot<dist_1st){ - Normalize(dvec); - VecMulf(dvec,dist_1st-dot); - VecAddf(key->co,key->co,dvec); - } - } - else{ - Normalize(dvec); - VecMulf(dvec,dist_1st-dot); - VecAddf(key->co,key->co,dvec); - } - if(k==1) - dist_1st*=1.3333f; - } - //} - - //LOOP_PARTICLES(i,pa){ - - Mat4Invert(hairimat,hairmat); - - LOOP_KEYS(k,key){ - Mat4MulVecfl(hairimat, key->co); - } - } -} -/* force set distances between neighbouring keys */ -void PE_apply_lengths(ParticleSystem *psys) -{ - ParticleEdit *edit; - ParticleData *pa; - ParticleEditKey *key; - ParticleEditSettings *pset=PE_settings(); - int i,k,totpart; - float dv1[3]; - - if(psys==0) - return; - - if((pset->flag & PE_KEEP_LENGTHS)==0) - return; - - edit=psys->edit; - totpart=psys->totpart; - - LOOP_PARTICLES(i,pa){ - if(!(pa->flag & PARS_EDIT_RECALC)) - continue; - - for(k=1, key=edit->keys[i] + 1; k<pa->totkey; k++, key++){ - VecSubf(dv1, key->co, (key - 1)->co); - Normalize(dv1); - VecMulf(dv1, (key - 1)->length); - VecAddf(key->co, (key - 1)->co, dv1); - } - } -} -/* try to find a nice solution to keep distances between neighbouring keys */ -static void PE_iterate_lengths(ParticleSystem *psys) -{ - ParticleEdit *edit; - ParticleData *pa; - ParticleEditKey *key; - ParticleEditSettings *pset=PE_settings(); - int i, j, k,totpart; - float tlen; - float dv0[3] = {0.0f, 0.0f, 0.0f}; - float dv1[3] = {0.0f, 0.0f, 0.0f}; - float dv2[3] = {0.0f, 0.0f, 0.0f}; - - if(psys==0) - return; - - if((pset->flag & PE_KEEP_LENGTHS)==0) - return; - - edit=psys->edit; - totpart=psys->totpart; - - LOOP_PARTICLES(i,pa){ - if(!(pa->flag & PARS_EDIT_RECALC)) - continue; - - for(j=1; j<pa->totkey; j++){ - float mul = 1.0f / (float)pa->totkey; - - if(pset->flag & PE_LOCK_FIRST){ - key = edit->keys[i] + 1; - k = 1; - dv1[0] = dv1[1] = dv1[2] = 0.0; - } - else{ - key = edit->keys[i]; - k = 0; - dv0[0] = dv0[1] = dv0[2] = 0.0; - } - - for(; k<pa->totkey; k++, key++){ - if(k){ - VecSubf(dv0, (key - 1)->co, key->co); - tlen = Normalize(dv0); - VecMulf(dv0, (mul * (tlen - (key - 1)->length))); - } - - if(k < pa->totkey - 1){ - VecSubf(dv2, (key + 1)->co, key->co); - tlen = Normalize(dv2); - VecMulf(dv2, mul * (tlen - key->length)); - } - - if(k){ - VecAddf((key-1)->co,(key-1)->co,dv1); - } - - VECADD(dv1,dv0,dv2); - } - } - } -} -/* set current distances to be kept between neighbouting keys */ -static void recalc_lengths(ParticleSystem *psys) -{ - ParticleData *pa; - ParticleEditKey *key; - int i, k, totpart; - - if(psys==0) - return; - - totpart = psys->totpart; - - LOOP_PARTICLES(i,pa){ - key = psys->edit->keys[i]; - for(k=0; k<pa->totkey-1; k++, key++){ - key->length = VecLenf(key->co, (key + 1)->co); - } - } -} -/* calculate and store key locations in world coordinates */ -void PE_recalc_world_cos(Object *ob, ParticleSystem *psys) -{ - ParticleSystemModifierData *psmd = psys_get_modifier(ob, psys); - ParticleData *pa; - ParticleEditKey *key; - int i, k, totpart; - float hairmat[4][4]; - - if(psys==0) - return; - - totpart = psys->totpart; - - LOOP_PARTICLES(i,pa){ - psys_mat_hair_to_global(ob, psmd->dm, psys->part->from, pa, hairmat); - - LOOP_KEYS(k,key){ - VECCOPY(key->world_co,key->co); - Mat4MulVecfl(hairmat, key->world_co); - } - } -} -/* calculate a tree for finding nearest emitter's vertice */ -static void recalc_emitter_field(Object *ob, ParticleSystem *psys) -{ - DerivedMesh *dm=psys_get_modifier(ob,psys)->dm; - ParticleEdit *edit = psys->edit; - MFace *mface; - MVert *mvert; - float *vec, *nor; - int i, totface, totvert; - - if(edit->emitter_cosnos) - MEM_freeN(edit->emitter_cosnos); - - BLI_kdtree_free(edit->emitter_field); - - totface=dm->getNumFaces(dm); - totvert=dm->getNumVerts(dm); - - edit->emitter_cosnos=MEM_callocN(totface*6*sizeof(float),"emitter cosnos"); - - edit->emitter_field= BLI_kdtree_new(totface); - - vec=edit->emitter_cosnos; - nor=vec+3; - - mvert=dm->getVertDataArray(dm,CD_MVERT); - for(i=0; i<totface; i++, vec+=6, nor+=6){ - mface=dm->getFaceData(dm,i,CD_MFACE); - - mvert=dm->getVertData(dm,mface->v1,CD_MVERT); - VECCOPY(vec,mvert->co); - VECCOPY(nor,mvert->no); - - mvert=dm->getVertData(dm,mface->v2,CD_MVERT); - VECADD(vec,vec,mvert->co); - VECADD(nor,nor,mvert->no); - - mvert=dm->getVertData(dm,mface->v3,CD_MVERT); - VECADD(vec,vec,mvert->co); - VECADD(nor,nor,mvert->no); - - if (mface->v4){ - mvert=dm->getVertData(dm,mface->v4,CD_MVERT); - VECADD(vec,vec,mvert->co); - VECADD(nor,nor,mvert->no); - - VecMulf(vec,0.25); - } - else - VecMulf(vec,0.3333f); - - Normalize(nor); - - BLI_kdtree_insert(edit->emitter_field, i, vec, NULL); - } - - BLI_kdtree_balance(edit->emitter_field); -} - -void PE_update_selection(Object *ob, int useflag) -{ - ParticleSystem *psys= PE_get_current(ob); - ParticleEdit *edit= psys->edit; - ParticleEditSettings *pset= PE_settings(); - ParticleSettings *part= psys->part; - ParticleData *pa; - HairKey *hkey; - ParticleEditKey *key; - float cfra= CFRA; - int i, k, totpart; - - totpart= psys->totpart; - - /* flag all particles to be updated if not using flag */ - if(!useflag) - LOOP_PARTICLES(i,pa) - pa->flag |= PARS_EDIT_RECALC; - - /* flush edit key flag to hair key flag to preserve selection - * on save */ - LOOP_PARTICLES(i,pa) { - key = edit->keys[i]; - - for(k=0, hkey=pa->hair; k<pa->totkey; k++, hkey++, key++) - hkey->editflag= key->flag; - } - - psys_cache_paths(ob, psys, CFRA, 1); - - if(part->childtype && (pset->flag & PE_SHOW_CHILD)) - psys_cache_child_paths(ob, psys, cfra, 1); - - /* disable update flag */ - LOOP_PARTICLES(i,pa) - pa->flag &= ~PARS_EDIT_RECALC; -} - -void PE_update_object(Object *ob, int useflag) -{ - ParticleSystem *psys= PE_get_current(ob); - ParticleEditSettings *pset= PE_settings(); - ParticleSettings *part= psys->part; - ParticleData *pa; - float cfra= CFRA; - int i, totpart= psys->totpart; - - /* flag all particles to be updated if not using flag */ - if(!useflag) - LOOP_PARTICLES(i,pa) - pa->flag |= PARS_EDIT_RECALC; - - /* do post process on particle edit keys */ - PE_iterate_lengths(psys); - PE_deflect_emitter(ob,psys); - PE_apply_lengths(psys); - if(pset->flag & PE_X_MIRROR) - PE_apply_mirror(ob,psys); - PE_recalc_world_cos(ob,psys); - PE_hide_keys_time(psys,cfra); - - /* regenerate path caches */ - psys_cache_paths(ob, psys, cfra, 1); - - if(part->childtype && (pset->flag & PE_SHOW_CHILD)) - psys_cache_child_paths(ob, psys, cfra, 1); - - /* disable update flag */ - LOOP_PARTICLES(i,pa) - pa->flag &= ~PARS_EDIT_RECALC; -} - -/* initialize needed data for bake edit */ -void PE_create_particle_edit(Object *ob, ParticleSystem *psys) -{ - ParticleEdit *edit=psys->edit; - ParticleData *pa; - ParticleEditKey *key; - HairKey *hkey; - int i,k, totpart=psys->totpart, alloc=1; - - if((psys->flag & PSYS_EDITED)==0) - return; - - if(edit){ - int newtotkeys = psys_count_keys(psys); - if(newtotkeys == edit->totkeys) - alloc=0; - } - - if(alloc){ - if(edit){ - error("ParticleEdit exists allready! Poke jahka!"); - PE_free_particle_edit(psys); - } - - edit=psys->edit=MEM_callocN(sizeof(ParticleEdit), "PE_create_particle_edit"); - - edit->keys=MEM_callocN(totpart*sizeof(ParticleEditKey*),"ParticleEditKey array"); - - LOOP_PARTICLES(i,pa){ - key = edit->keys[i] = MEM_callocN(pa->totkey*sizeof(ParticleEditKey),"ParticleEditKeys"); - for(k=0, hkey=pa->hair; k<pa->totkey; k++, hkey++, key++){ - key->co = hkey->co; - key->time = &hkey->time; - key->flag= hkey->editflag; - } - } - - edit->totkeys = psys_count_keys(psys); - } - - recalc_lengths(psys); - recalc_emitter_field(ob, psys); - PE_recalc_world_cos(ob, psys); - - if(alloc) { - ParticleUndo_clear(psys); - PE_undo_push("Original"); - } -} - -/* toggle particle mode on & off */ -void PE_set_particle_edit(void) -{ - Object *ob= OBACT; - ParticleSystem *psys = PE_get_current(ob); - - scrarea_queue_headredraw(curarea); - - //if(!ob || ob->id.lib) return; /* is the id.lib test needed? -jahka*/ - if(ob==0 || psys==0) return; - - if(psys==0){ - if(ob->particlesystem.first){ - psys=ob->particlesystem.first; - psys->flag |= PSYS_CURRENT; - } - else - return; - } - - if((G.f & G_PARTICLEEDIT)==0){ - if(psys && psys->part->type == PART_HAIR && psys->flag & PSYS_EDITED) { - if(psys_check_enabled(ob, psys)) { - if(psys->edit==0) - PE_create_particle_edit(ob, psys); - PE_recalc_world_cos(ob, psys); - } - } - - G.f |= G_PARTICLEEDIT; - } - else{ - G.f &= ~G_PARTICLEEDIT; - } - - DAG_object_flush_update(G.scene, OBACT, OB_RECALC_DATA); - - allqueue(REDRAWVIEW3D, 1); /* including header */ - allqueue(REDRAWBUTSOBJECT, 0); -} -/************************************************/ -/* Edit Selections */ -/************************************************/ -/*-----selection callbacks-----*/ -static void select_key(ParticleSystem *psys, int pa_index, int key_index, void *userData) -{ - struct { short *mval; float rad; rcti* rect; int select; } *data = userData; - ParticleData *pa = psys->particles + pa_index; - ParticleEditKey *key = psys->edit->keys[pa_index] + key_index; - - if(data->select) - key->flag|=PEK_SELECT; - else - key->flag&=~PEK_SELECT; - - pa->flag |= PARS_EDIT_RECALC; -} -static void select_keys(ParticleSystem *psys, int pa_index, int key_index, void *userData) -{ - struct { short *mval; float rad; rcti* rect; int select; } *data = userData; - ParticleData *pa = psys->particles + pa_index; - ParticleEditKey *key = psys->edit->keys[pa_index]; - int k; - - for(k=0; k<pa->totkey; k++,key++){ - if(data->select) - key->flag|=PEK_SELECT; - else - key->flag&=~PEK_SELECT; - } - - pa->flag |= PARS_EDIT_RECALC; -} -static void toggle_key_select(ParticleSystem *psys, int pa_index, int key_index, void *userData) -{ - ParticleData *pa = psys->particles + pa_index; - - if(psys->edit->keys[pa_index][key_index].flag&PEK_SELECT) - psys->edit->keys[pa_index][key_index].flag&=~PEK_SELECT; - else - psys->edit->keys[pa_index][key_index].flag|=PEK_SELECT; - - pa->flag |= PARS_EDIT_RECALC; -} -static void select_root(ParticleSystem *psys, int index, void *userData) -{ - psys->edit->keys[index]->flag |= PEK_SELECT; -} - -static void select_tip(ParticleSystem *psys, int index, void *userData) -{ - ParticleData *pa = psys->particles + index; - ParticleEditKey *key = psys->edit->keys[index] + pa->totkey-1; - - key->flag |= PEK_SELECT; -} -static void select_more_keys(ParticleSystem *psys, int index, void *userData) -{ - ParticleEdit *edit = psys->edit; - ParticleData *pa = psys->particles+index; - ParticleEditKey *key; - int k; - - for(k=0,key=edit->keys[index]; k<pa->totkey; k++,key++){ - if(key->flag&PEK_SELECT) continue; - - if(k==0){ - if((key+1)->flag&PEK_SELECT) - key->flag |= PEK_TO_SELECT; - } - else if(k==pa->totkey-1){ - if((key-1)->flag&PEK_SELECT) - key->flag |= PEK_TO_SELECT; - } - else{ - if(((key-1)->flag | (key+1)->flag) & PEK_SELECT) - key->flag |= PEK_TO_SELECT; - } - } - - for(k=0,key=edit->keys[index]; k<pa->totkey; k++,key++){ - if(key->flag&PEK_TO_SELECT){ - key->flag &= ~PEK_TO_SELECT; - key->flag |= PEK_SELECT; - } - } -} - -static void select_less_keys(ParticleSystem *psys, int index, void *userData) -{ - ParticleEdit *edit = psys->edit; - ParticleData *pa = psys->particles+index; - ParticleEditKey *key; - int k; - - for(k=0,key=edit->keys[index]; k<pa->totkey; k++,key++){ - if((key->flag&PEK_SELECT)==0) continue; - - if(k==0){ - if(((key+1)->flag&PEK_SELECT)==0) - key->flag |= PEK_TO_SELECT; - } - else if(k==pa->totkey-1){ - if(((key-1)->flag&PEK_SELECT)==0) - key->flag |= PEK_TO_SELECT; - } - else{ - if((((key-1)->flag & (key+1)->flag) & PEK_SELECT)==0) - key->flag |= PEK_TO_SELECT; - } - } - - for(k=0,key=edit->keys[index]; k<pa->totkey; k++,key++){ - if(key->flag&PEK_TO_SELECT) - key->flag &= ~(PEK_TO_SELECT|PEK_SELECT); - } -} - -/*-----using above callbacks-----*/ -void PE_deselectall(void) -{ - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - ParticleEdit *edit = 0; - ParticleData *pa; - ParticleEditKey *key; - int i,k,totpart, sel = 0; - - if(!PE_can_edit(psys)) return; - - edit = psys->edit; - - totpart = psys->totpart; - - LOOP_PARTICLES(i,pa){ - if(pa->flag & PARS_HIDE) continue; - LOOP_KEYS(k,key){ - if(key->flag&PEK_SELECT){ - sel = 1; - key->flag &= ~PEK_SELECT; - pa->flag |= PARS_EDIT_RECALC; - } - } - } - - if(sel==0){ - LOOP_PARTICLES(i,pa){ - if(pa->flag & PARS_HIDE) continue; - LOOP_KEYS(k,key){ - if(!(key->flag & PEK_SELECT)) { - key->flag |= PEK_SELECT; - pa->flag |= PARS_EDIT_RECALC; - } - } - } - } - - PE_update_selection(ob, 1); - - BIF_undo_push("(De)select all keys"); - allqueue(REDRAWVIEW3D, 1); -} -void PE_mouse_particles(void) -{ - struct { short *mval; float rad; rcti* rect; int select; } data; - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - ParticleEdit *edit = 0; - ParticleData *pa; - ParticleEditKey *key; - short mval[2]; - int i,k,totpart; - - if(!PE_can_edit(psys)) return; - - edit = psys->edit; - - totpart = psys->totpart; - - bglFlush(); - glReadBuffer(GL_BACK); - glDrawBuffer(GL_BACK); - persp(PERSP_VIEW); - - if(G.qual != LR_SHIFTKEY) - LOOP_PARTICLES(i,pa){ - if(pa->flag & PARS_HIDE) continue; - LOOP_KEYS(k,key){ - if(key->flag & PEK_SELECT) { - key->flag &= ~PEK_SELECT; - pa->flag |= PARS_EDIT_RECALC; - } - } - } - - getmouseco_areawin(mval); - - data.mval=mval; - data.rad=75.0f; - data.rect=0; - data.select=0; - - for_mouse_hit_keys(1,psys,toggle_key_select,&data); - - PE_update_selection(ob, 1); - - rightmouse_transform(); - - allqueue(REDRAWVIEW3D, 1); -} -void PE_select_root() -{ - Object *ob=OBACT; - ParticleSystem *psys = PE_get_current(ob); - - if(!PE_can_edit(psys)) return; - - PE_foreach_element(psys,select_root,NULL); - BIF_undo_push("Select first"); -} -void PE_select_tip() -{ - Object *ob=OBACT; - ParticleSystem *psys = PE_get_current(ob); - - if(!PE_can_edit(psys)) return; - - PE_foreach_element(psys,select_tip,NULL); - BIF_undo_push("Select last"); -} -void PE_select_linked(void) -{ - struct { short *mval; float rad; rcti* rect; int select; } data; - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - short mval[2]; - - if(!PE_can_edit(psys)) return; - - getmouseco_areawin(mval); - - data.mval=mval; - data.rad=75.0f; - data.rect=0; - data.select=(G.qual != LR_SHIFTKEY); - - for_mouse_hit_keys(1,psys,select_keys,&data); - - PE_update_selection(ob, 1); - - BIF_undo_push("Select linked keys"); - - allqueue(REDRAWVIEW3D, 1); - return; -} -void PE_borderselect(void) -{ - struct { short *mval; float rad; rcti* rect; int select; } data; - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - rcti rect; - int val; - - if(!PE_can_edit(psys)) return; - - setlinestyle(2); - val= get_border(&rect, 3); - setlinestyle(0); - - if(val==0) return; - - data.mval=0; - data.rect=▭ - data.select=(val==LEFTMOUSE); - - for_mouse_hit_keys(0,psys,select_key,&data); - - PE_update_selection(ob, 1); - - BIF_undo_push("Select keys"); - - allqueue(REDRAWVIEW3D, 1); - return; -} -void PE_selectionCB(short selecting, Object *editobj, short *mval, float rad) -{ - struct { short *mval; float rad; rcti* rect; int select; } data; - ParticleSystem *psys = PE_get_current(OBACT); - - if(!PE_can_edit(psys)) return; - - data.mval=mval; - data.rad=rad; - data.rect=0; - data.select=(selecting==LEFTMOUSE); - - for_mouse_hit_keys(0,psys,select_key,&data); - - draw_sel_circle(0, 0, 0, 0, 0); /* signal */ - force_draw(0); -} -void PE_do_lasso_select(short mcords[][2], short moves, short select) -{ - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - ParticleSystemModifierData *psmd; - ParticleEdit *edit; - ParticleData *pa; - ParticleEditKey *key; - float co[3], mat[4][4]; - short vertco[2]; - int i, k, totpart; - - if(!PE_can_edit(psys)) return; - - psmd= psys_get_modifier(ob, psys); - edit=psys->edit; - totpart=psys->totpart; - - LOOP_PARTICLES(i,pa){ - if(pa->flag & PARS_HIDE) continue; - - psys_mat_hair_to_global(ob, psmd->dm, psys->part->from, pa, mat); - - if(G.scene->selectmode==SCE_SELECT_POINT){ - LOOP_KEYS(k,key){ - VECCOPY(co, key->co); - Mat4MulVecfl(mat, co); - project_short(co,vertco); - if((vertco[0] != IS_CLIPPED) && lasso_inside(mcords,moves,vertco[0],vertco[1])){ - if(select && !(key->flag & PEK_SELECT)) { - key->flag|=PEK_SELECT; - pa->flag |= PARS_EDIT_RECALC; - } - else if(key->flag & PEK_SELECT) { - key->flag&=~PEK_SELECT; - pa->flag |= PARS_EDIT_RECALC; - } - } - } - } - else if(G.scene->selectmode==SCE_SELECT_END){ - key = edit->keys[i] + pa->totkey - 1; - - VECCOPY(co, key->co); - Mat4MulVecfl(mat, co); - project_short(co,vertco); - if((vertco[0] != IS_CLIPPED) && lasso_inside(mcords,moves,vertco[0],vertco[1])){ - if(select && !(key->flag & PEK_SELECT)) { - key->flag|=PEK_SELECT; - pa->flag |= PARS_EDIT_RECALC; - } - else if(key->flag & PEK_SELECT) { - key->flag&=~PEK_SELECT; - pa->flag |= PARS_EDIT_RECALC; - } - } - } - } - - PE_update_selection(ob, 1); - - BIF_undo_push("Lasso select particles"); - - allqueue(REDRAWVIEW3D, 1); -} -void PE_hide(int mode) -{ - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - ParticleEdit *edit; - ParticleEditKey *key; - ParticleData *pa; - int i, k, totpart; - - if(!PE_can_edit(psys)) return; - - edit = psys->edit; - totpart = psys->totpart; - - if(mode == 0){ /* reveal all particles */ - LOOP_PARTICLES(i, pa){ - if(pa->flag & PARS_HIDE) { - pa->flag &= ~PARS_HIDE; - pa->flag |= PARS_EDIT_RECALC; - - LOOP_KEYS(k, key) - key->flag |= PEK_SELECT; - } - } - } - else if(mode == 1){ /* hide unselected particles */ - LOOP_PARTICLES(i, pa) { - if(!particle_is_selected(psys, pa)) { - pa->flag |= PARS_HIDE; - pa->flag |= PARS_EDIT_RECALC; - - LOOP_KEYS(k, key) - key->flag &= ~PEK_SELECT; - } - } - } - else{ /* hide selected particles */ - LOOP_PARTICLES(i, pa) { - if(particle_is_selected(psys, pa)) { - pa->flag |= PARS_HIDE; - pa->flag |= PARS_EDIT_RECALC; - - LOOP_KEYS(k, key) - key->flag &= ~PEK_SELECT; - } - } - } - - PE_update_selection(ob, 1); - BIF_undo_push("(Un)hide elements"); - - allqueue(REDRAWVIEW3D, 1); -} -void PE_select_less(void) -{ - ParticleSystem *psys = PE_get_current(OBACT); - - if(!PE_can_edit(psys)) return; - - PE_foreach_element(psys,select_less_keys,NULL); - - BIF_undo_push("Select less"); - allqueue(REDRAWVIEW3D, 1); -} -void PE_select_more(void) -{ - ParticleSystem *psys = PE_get_current(OBACT); - - if(!PE_can_edit(psys)) return; - - PE_foreach_element(psys,select_more_keys,NULL); - - BIF_undo_push("Select more"); - allqueue(REDRAWVIEW3D, 1); -} -/************************************************/ -/* Edit Rekey */ -/************************************************/ -static void rekey_element(ParticleSystem *psys, int index, void *userData) -{ - struct { Object *ob; float dval; } *data = userData; - ParticleData *pa = psys->particles + index; - ParticleEdit *edit = psys->edit; - ParticleEditSettings *pset = PE_settings(); - ParticleKey state; - HairKey *key, *new_keys; - ParticleEditKey *ekey; - float dval, sta, end; - int k; - - pa->flag |= PARS_REKEY; - - key = new_keys = MEM_callocN(pset->totrekey * sizeof(HairKey),"Hair re-key keys"); - - /* root and tip stay the same */ - VECCOPY(key->co, pa->hair->co); - VECCOPY((key + pset->totrekey - 1)->co, (pa->hair + pa->totkey - 1)->co); - - sta = key->time = pa->hair->time; - end = (key + pset->totrekey - 1)->time = (pa->hair + pa->totkey - 1)->time; - dval = (end - sta) / (float)(pset->totrekey - 1); - - /* interpolate new keys from old ones */ - for(k=1,key++; k<pset->totrekey-1; k++,key++) { - state.time = (float)k / (float)(pset->totrekey-1); - psys_get_particle_on_path(data->ob, psys, index, &state, 0); - VECCOPY(key->co, state.co); - key->time = sta + k * dval; - } - - /* replace keys */ - if(pa->hair) - MEM_freeN(pa->hair); - pa->hair = new_keys; - - pa->totkey=pset->totrekey; - - if(edit->keys[index]) - MEM_freeN(edit->keys[index]); - ekey = edit->keys[index] = MEM_callocN(pa->totkey * sizeof(ParticleEditKey),"Hair re-key edit keys"); - - for(k=0, key=pa->hair; k<pa->totkey; k++, key++, ekey++) { - ekey->co = key->co; - ekey->time = &key->time; - } - - pa->flag &= ~PARS_REKEY; - pa->flag |= PARS_EDIT_RECALC; -} -void PE_rekey(void) -{ - Object *ob=OBACT; - ParticleSystem *psys = PE_get_current(ob); - ParticleEditSettings *pset = PE_settings(); - struct { Object *ob; float dval; } data; - - if(!PE_can_edit(psys)) return; - - data.ob = ob; - data.dval = 1.0f / (float)(pset->totrekey-1); - - foreach_selected_element(psys,rekey_element,&data); - - psys->edit->totkeys = psys_count_keys(psys); - - recalc_lengths(psys); - - PE_update_object(ob, 1); - - BIF_undo_push("Re-key particles"); -} -static void rekey_element_to_time(int index, float path_time) -{ - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - ParticleEdit *edit=0; - ParticleData *pa; - ParticleKey state; - HairKey *new_keys, *key; - ParticleEditKey *ekey; - int k; - - if(psys==0) return; - - edit = psys->edit; - - pa = psys->particles + index; - - pa->flag |= PARS_REKEY; - - key = new_keys = MEM_dupallocN(pa->hair); - - /* interpolate new keys from old ones (roots stay the same) */ - for(k=1, key++; k < pa->totkey; k++, key++) { - state.time = path_time * (float)k / (float)(pa->totkey-1); - psys_get_particle_on_path(ob, psys, index, &state, 0); - VECCOPY(key->co, state.co); - } - - /* replace hair keys */ - if(pa->hair) - MEM_freeN(pa->hair); - pa->hair = new_keys; - - /* update edit pointers */ - for(k=0, key=pa->hair, ekey=edit->keys[index]; k<pa->totkey; k++, key++, ekey++) { - ekey->co = key->co; - ekey->time = &key->time; - } - - pa->flag &= ~PARS_REKEY; -} -static int remove_tagged_elements(Object *ob, ParticleSystem *psys) -{ - ParticleEdit *edit = psys->edit; - ParticleEditSettings *pset = PE_settings(); - ParticleData *pa, *npa=0, *new_pars=0; - ParticleEditKey **key, **nkey=0, **new_keys=0; - ParticleSystemModifierData *psmd; - int i, totpart, new_totpart = psys->totpart, removed = 0; - - if(pset->flag & PE_X_MIRROR) { - /* mirror tags */ - psmd = psys_get_modifier(ob, psys); - totpart = psys->totpart; - - LOOP_PARTICLES(i,pa) - if(pa->flag & PARS_TAG) - PE_mirror_particle(ob, psmd->dm, psys, pa, NULL); - } - - for(i=0, pa=psys->particles; i<psys->totpart; i++, pa++) { - if(pa->flag & PARS_TAG) { - new_totpart--; - removed++; - } - } - - if(new_totpart != psys->totpart) { - if(new_totpart) { - npa = new_pars = MEM_callocN(new_totpart * sizeof(ParticleData), "ParticleData array"); - nkey = new_keys = MEM_callocN(new_totpart * sizeof(ParticleEditKey *), "ParticleEditKey array"); - } - - pa = psys->particles; - key = edit->keys; - for(i=0; i<psys->totpart; i++, pa++, key++) { - if(pa->flag & PARS_TAG) { - if(*key) - MEM_freeN(*key); - if(pa->hair) - MEM_freeN(pa->hair); - } - else { - memcpy(npa, pa, sizeof(ParticleData)); - memcpy(nkey, key, sizeof(ParticleEditKey*)); - npa++; - nkey++; - } - } - - if(psys->particles) MEM_freeN(psys->particles); - psys->particles = new_pars; - - if(edit->keys) MEM_freeN(edit->keys); - edit->keys = new_keys; - - if(edit->mirror_cache) { - MEM_freeN(edit->mirror_cache); - edit->mirror_cache = NULL; - } - - psys->totpart = new_totpart; - - edit->totkeys = psys_count_keys(psys); - } - - return removed; -} -static void remove_tagged_keys(Object *ob, ParticleSystem *psys) -{ - ParticleEdit *edit = psys->edit; - ParticleEditSettings *pset = PE_settings(); - ParticleData *pa; - HairKey *key, *nkey, *new_keys=0; - ParticleEditKey *ekey; - ParticleSystemModifierData *psmd; - int i, k, totpart = psys->totpart; - short new_totkey; - - if(pset->flag & PE_X_MIRROR) { - /* mirror key tags */ - psmd = psys_get_modifier(ob, psys); - - LOOP_PARTICLES(i,pa) { - LOOP_KEYS(k,ekey) { - if(ekey->flag & PEK_TAG) { - PE_mirror_particle(ob, psmd->dm, psys, pa, NULL); - break; - } - } - } - } - - LOOP_PARTICLES(i,pa) { - new_totkey = pa->totkey; - LOOP_KEYS(k,ekey) { - if(ekey->flag & PEK_TAG) - new_totkey--; - } - /* we can't have elements with less than two keys*/ - if(new_totkey < 2) - pa->flag |= PARS_TAG; - } - remove_tagged_elements(ob, psys); - - totpart = psys->totpart; - - LOOP_PARTICLES(i,pa) { - new_totkey = pa->totkey; - LOOP_KEYS(k,ekey) { - if(ekey->flag & PEK_TAG) - new_totkey--; - } - if(new_totkey != pa->totkey) { - key = pa->hair; - nkey = new_keys = MEM_callocN(new_totkey*sizeof(HairKey), "HairKeys"); - - for(k=0, ekey=edit->keys[i]; k<new_totkey; k++, key++, nkey++, ekey++) { - while(ekey->flag & PEK_TAG && key < pa->hair + pa->totkey) { - key++; - ekey++; - } - - if(key < pa->hair + pa->totkey) { - VECCOPY(nkey->co, key->co); - nkey->time = key->time; - nkey->weight = key->weight; - } - } - if(pa->hair) - MEM_freeN(pa->hair); - - pa->hair = new_keys; - - pa->totkey=new_totkey; - - if(edit->keys[i]) - MEM_freeN(edit->keys[i]); - ekey = edit->keys[i] = MEM_callocN(new_totkey*sizeof(ParticleEditKey), "particle edit keys"); - - for(k=0, key=pa->hair; k<pa->totkey; k++, key++, ekey++) { - ekey->co = key->co; - ekey->time = &key->time; - } - } - } - - edit->totkeys = psys_count_keys(psys); -} -/* works like normal edit mode subdivide, inserts keys between neighbouring selected keys */ -static void subdivide_element(ParticleSystem *psys, int index, void *userData) -{ - struct { Object *ob; } *data = userData; - ParticleEdit *edit = psys->edit; - ParticleData *pa = psys->particles + index; - - ParticleKey state; - HairKey *key, *nkey, *new_keys; - ParticleEditKey *ekey, *nekey, *new_ekeys; - - int k; - short totnewkey=0; - float endtime; - - for(k=0, ekey=edit->keys[index]; k<pa->totkey-1; k++,ekey++){ - if(ekey->flag&PEK_SELECT && (ekey+1)->flag&PEK_SELECT) - totnewkey++; - } - - if(totnewkey==0) return; - - pa->flag |= PARS_REKEY; - - nkey = new_keys = MEM_callocN((pa->totkey+totnewkey)*(sizeof(HairKey)),"Hair subdivide keys"); - nekey = new_ekeys = MEM_callocN((pa->totkey+totnewkey)*(sizeof(ParticleEditKey)),"Hair subdivide edit keys"); - endtime = pa->hair[pa->totkey-1].time; - - for(k=0, key=pa->hair, ekey=edit->keys[index]; k<pa->totkey-1; k++, key++, ekey++){ - - memcpy(nkey,key,sizeof(HairKey)); - memcpy(nekey,ekey,sizeof(ParticleEditKey)); - - nekey->co = nkey->co; - nekey->time = &nkey->time; - - nkey++; - nekey++; - - if(ekey->flag & PEK_SELECT && (ekey+1)->flag & PEK_SELECT){ - nkey->time= (key->time + (key+1)->time)*0.5f; - state.time = (endtime != 0.0f)? nkey->time/endtime: 0.0f; - psys_get_particle_on_path(data->ob, psys, index, &state, 0); - VECCOPY(nkey->co, state.co); - - nekey->co= nkey->co; - nekey->time= &nkey->time; - nekey->flag |= PEK_SELECT; - - nekey++; - nkey++; - } - } - /*tip still not copied*/ - memcpy(nkey,key,sizeof(HairKey)); - memcpy(nekey,ekey,sizeof(ParticleEditKey)); - - nekey->co = nkey->co; - nekey->time = &nkey->time; - - if(pa->hair) - MEM_freeN(pa->hair); - pa->hair = new_keys; - - if(edit->keys[index]) - MEM_freeN(edit->keys[index]); - - edit->keys[index] = new_ekeys; - - pa->totkey += totnewkey; - pa->flag |= PARS_EDIT_RECALC; - pa->flag &= ~PARS_REKEY; -} -void PE_subdivide(void) -{ - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - struct { Object *ob; } data; - - if(!PE_can_edit(psys)) return; - - data.ob= ob; - PE_foreach_element(psys,subdivide_element,&data); - - psys->edit->totkeys = psys_count_keys(psys); - - recalc_lengths(psys); - PE_recalc_world_cos(ob, psys); - - PE_update_object(ob, 1); - - BIF_undo_push("Subdivide hair(s)"); -} -void PE_remove_doubles(void) -{ - Object *ob=OBACT; - ParticleSystem *psys=PE_get_current(ob); - ParticleEditSettings *pset=PE_settings(); - ParticleData *pa; - ParticleEdit *edit; - ParticleSystemModifierData *psmd; - KDTree *tree; - KDTreeNearest nearest[10]; - float mat[4][4], co[3]; - int i, n, totn, removed, totpart, flag, totremoved; - - if(!PE_can_edit(psys)) return; - - edit= psys->edit; - psmd= psys_get_modifier(ob, psys); - totremoved= 0; - - do { - removed= 0; - - totpart= psys->totpart; - tree=BLI_kdtree_new(totpart); - - /* insert particles into kd tree */ - LOOP_PARTICLES(i,pa) { - if(particle_is_selected(psys, pa)) { - psys_mat_hair_to_object(ob, psmd->dm, psys->part->from, pa, mat); - VECCOPY(co, pa->hair[0].co); - Mat4MulVecfl(mat, co); - BLI_kdtree_insert(tree, i, co, NULL); - } - } - - BLI_kdtree_balance(tree); - - /* tag particles to be removed */ - LOOP_PARTICLES(i,pa) { - if(particle_is_selected(psys, pa)) { - psys_mat_hair_to_object(ob, psmd->dm, psys->part->from, pa, mat); - VECCOPY(co, pa->hair[0].co); - Mat4MulVecfl(mat, co); - - totn= BLI_kdtree_find_n_nearest(tree,10,co,NULL,nearest); - - for(n=0; n<totn; n++) { - /* this needs a custom threshold still */ - if(nearest[n].index > i && nearest[n].dist < 0.0002f) { - if(!(pa->flag & PARS_TAG)) { - pa->flag |= PARS_TAG; - removed++; - } - } - } - } - } - - BLI_kdtree_free(tree); - - /* remove tagged particles - don't do mirror here! */ - flag= pset->flag; - pset->flag &= ~PE_X_MIRROR; - remove_tagged_elements(ob, psys); - pset->flag= flag; - totremoved += removed; - } while(removed); - - if(totremoved) - notice("Removed: %d", totremoved); - - PE_recalc_world_cos(ob, psys); - DAG_object_flush_update(G.scene, ob, OB_RECALC_DATA); - allqueue(REDRAWVIEW3D, 1); - BIF_undo_push("Remove double particles"); -} - -static void PE_radialcontrol_callback(const int mode, const int val) -{ - ParticleEditSettings *pset = PE_settings(); - - if(pset->brushtype>=0) { - ParticleBrushData *brush= &pset->brush[pset->brushtype]; - - if(mode == RADIALCONTROL_SIZE) - brush->size = val; - else if(mode == RADIALCONTROL_STRENGTH) - brush->strength = val; - } - - (*PE_radialcontrol()) = NULL; -} - -RadialControl **PE_radialcontrol(void) -{ - static RadialControl *rc = NULL; - return &rc; -} - -void PE_radialcontrol_start(const int mode) -{ - ParticleEditSettings *pset = PE_settings(); - int orig= 1; - - if(pset->brushtype>=0) { - ParticleBrushData *brush= &pset->brush[pset->brushtype]; - - if(mode == RADIALCONTROL_SIZE) - orig = brush->size; - else if(mode == RADIALCONTROL_STRENGTH) - orig = brush->strength; - - if(mode != RADIALCONTROL_NONE) - (*PE_radialcontrol())= radialcontrol_start(mode, PE_radialcontrol_callback, orig, 100, 0); - } -} - -/************************************************/ -/* Edit Brushes */ -/************************************************/ -static void brush_comb(ParticleSystem *psys, float mat[][4], float imat[][4], int pa_index, int key_index, void *userData) -{ - struct {Object *ob; short *mval; float rad; rcti* rect; float dist; float *dvec; float combfac;} *data = userData; - ParticleData *pa= &psys->particles[pa_index]; - ParticleEditSettings *pset= PE_settings(); - HairKey *key = pa->hair + key_index; - float cvec[3], fac; - - if(pset->flag & PE_LOCK_FIRST && key_index == 0) return; - - fac = (float)pow((double)(1.0f - data->dist / data->rad), (double)data->combfac); - - VECCOPY(cvec,data->dvec); - Mat4Mul3Vecfl(imat,cvec); - VecMulf(cvec, fac); - VECADD(key->co, key->co, cvec); - - pa->flag |= PARS_EDIT_RECALC; -} -static void brush_cut(ParticleSystem *psys, int index, void *userData) -{ - struct { short *mval; float rad; rcti* rect; int selected; float cutfac; bglMats mats;} *data = userData; - ParticleData *pa= &psys->particles[index]; - ParticleCacheKey *key = psys->pathcache[index]; - float rad2, cut_time = 1.0; - float x0, x1, v0, v1, o0, o1, xo0, xo1, d, dv; - int k, cut, keys = (int)pow(2.0, (double)psys->part->draw_step); - short vertco[2]; - - /* blunt scissors */ - if(BLI_frand() > data->cutfac) return; - - rad2 = data->rad * data->rad; - - cut=0; - - project_short_noclip(key->co, vertco); - x0 = (float)vertco[0]; - x1 = (float)vertco[1]; - - o0 = (float)data->mval[0]; - o1 = (float)data->mval[1]; - - xo0 = x0 - o0; - xo1 = x1 - o1; - - /* check if root is inside circle */ - if(xo0*xo0 + xo1*xo1 < rad2 && test_key_depth(key->co,&(data->mats))) { - cut_time = -1.0f; - cut = 1; - } - else { - /* calculate path time closest to root that was inside the circle */ - for(k=1, key++; k<=keys; k++, key++){ - project_short_noclip(key->co, vertco); - - if(test_key_depth(key->co,&(data->mats)) == 0) { - x0 = (float)vertco[0]; - x1 = (float)vertco[1]; - - xo0 = x0 - o0; - xo1 = x1 - o1; - continue; - } - - v0 = (float)vertco[0] - x0; - v1 = (float)vertco[1] - x1; - - dv = v0*v0 + v1*v1; - - d = (v0*xo1 - v1*xo0); - - d = dv * rad2 - d*d; - - if(d > 0.0f) { - d = sqrt(d); - - cut_time = -(v0*xo0 + v1*xo1 + d); - - if(cut_time > 0.0f) { - cut_time /= dv; - - if(cut_time < 1.0f) { - cut_time += (float)(k-1); - cut_time /= (float)keys; - cut = 1; - break; - } - } - } - - x0 = (float)vertco[0]; - x1 = (float)vertco[1]; - - xo0 = x0 - o0; - xo1 = x1 - o1; - } - } - - if(cut) { - if(cut_time < 0.0f) { - pa->flag |= PARS_TAG; - } - else { - rekey_element_to_time(index, cut_time); - pa->flag |= PARS_EDIT_RECALC; - } - } -} -static void brush_length(ParticleSystem *psys, int index, void *userData) -{ - struct { short *mval; float rad; rcti* rect; float dist; float growfac; } *data = userData; - ParticleData *pa = &psys->particles[index]; - HairKey *key; - float dvec[3],pvec[3]; - int k; - - key = pa->hair; - VECCOPY(pvec,key->co); - - for(k=1, key++; k<pa->totkey; k++,key++){ - VECSUB(dvec,key->co,pvec); - VECCOPY(pvec,key->co); - VecMulf(dvec,data->growfac); - VECADD(key->co,(key-1)->co,dvec); - } - - pa->flag |= PARS_EDIT_RECALC; -} -static void brush_puff(ParticleSystem *psys, int index, void *userData) -{ - struct { short *mval; float rad; rcti* rect; float dist; - Object *ob; DerivedMesh *dm; float pufffac; int invert; } *data = userData; - ParticleData *pa = &psys->particles[index]; - ParticleEdit *edit = psys->edit; - HairKey *key; - float mat[4][4], imat[4][4]; - float lastco[3], rootco[3], co[3], nor[3], kco[3], dco[3], fac, length; - int k; - - psys_mat_hair_to_global(data->ob, data->dm, psys->part->from, pa, mat); - Mat4Invert(imat,mat); - - /* find root coordinate and normal on emitter */ - key = pa->hair; - VECCOPY(co, key->co); - Mat4MulVecfl(mat, co); - - index= BLI_kdtree_find_nearest(edit->emitter_field, co, NULL, NULL); - if(index == -1) return; - - VECCOPY(rootco, co); - VecCopyf(nor, &psys->edit->emitter_cosnos[index*6+3]); - Normalize(nor); - length= 0.0f; - - fac= (float)pow((double)(1.0f - data->dist / data->rad), (double)data->pufffac); - fac *= 0.025f; - if(data->invert) - fac= -fac; - - for(k=1, key++; k<pa->totkey; k++, key++){ - /* compute position as if hair was standing up straight */ - VECCOPY(lastco, co); - VECCOPY(co, key->co); - Mat4MulVecfl(mat, co); - length += VecLenf(lastco, co); - - VECADDFAC(kco, rootco, nor, length); - - /* blend between the current and straight position */ - VECSUB(dco, kco, co); - VECADDFAC(co, co, dco, fac); - - VECCOPY(key->co, co); - Mat4MulVecfl(imat, key->co); - } - - pa->flag |= PARS_EDIT_RECALC; -} -static void brush_smooth_get(ParticleSystem *psys, float mat[][4], float imat[][4], int pa_index, int key_index, void *userData) -{ - struct { Object *ob; short *mval; float rad; rcti* rect; float dist; float vec[3]; int tot; float smoothfac;} *data = userData; - ParticleData *pa= &psys->particles[pa_index]; - HairKey *key = pa->hair + key_index; - - if(key_index){ - float dvec[3]; - - VecSubf(dvec,key->co,(key-1)->co); - Mat4Mul3Vecfl(mat,dvec); - VECADD(data->vec,data->vec,dvec); - data->tot++; - } -} -static void brush_smooth_do(ParticleSystem *psys, float mat[][4], float imat[][4], int pa_index, int key_index, void *userData) -{ - struct { Object *ob; short *mval; float rad; rcti* rect; float dist; float vec[3]; int tot; float smoothfac;} *data = userData; - ParticleData *pa= &psys->particles[pa_index]; - HairKey *key = pa->hair + key_index; - float vec[3], dvec[3]; - - if(key_index){ - VECCOPY(vec,data->vec); - Mat4Mul3Vecfl(imat,vec); - - VecSubf(dvec,key->co,(key-1)->co); - - VECSUB(dvec,vec,dvec); - VecMulf(dvec,data->smoothfac); - - VECADD(key->co,key->co,dvec); - } - - pa->flag |= PARS_EDIT_RECALC; -} -#define EXPERIMENTAL_DEFORM_ONLY_PAINTING 1 -static void brush_add(Object *ob, ParticleSystem *psys, short *mval, short number) -{ - ParticleData *add_pars = MEM_callocN(number*sizeof(ParticleData),"ParticleData add"); - ParticleSystemModifierData *psmd = psys_get_modifier(ob,psys); - ParticleEditSettings *pset= PE_settings(); - ParticleEdit *edit = psys->edit; - int i, k, n = 0, totpart = psys->totpart; - short mco[2]; - short dmx = 0, dmy = 0; - float co1[3], co2[3], min_d, imat[4][4]; - float framestep, timestep = psys_get_timestep(psys->part); - short size = pset->brush[PE_BRUSH_ADD].size; - short size2 = size*size; -#if EXPERIMENTAL_DEFORM_ONLY_PAINTING - DerivedMesh *dm=0; -#endif - Mat4Invert(imat,ob->obmat); - - BLI_srandom(psys->seed+mval[0]+mval[1]); - - /* painting onto the deformed mesh, could be an option? */ -#if EXPERIMENTAL_DEFORM_ONLY_PAINTING - if (psmd->dm->deformedOnly) - dm = psmd->dm; - else - dm = mesh_get_derived_deform(ob, CD_MASK_BAREMESH); -#endif - for(i=0; i<number; i++){ - if(number>1){ - dmx=dmy=size; - while(dmx*dmx+dmy*dmy>size2){ - dmx=(short)((2.0f*BLI_frand()-1.0f)*size); - dmy=(short)((2.0f*BLI_frand()-1.0f)*size); - } - } - - mco[0] = mval[0] + dmx; - mco[1] = mval[1] + dmy; - viewline(mco, co1, co2); - - Mat4MulVecfl(imat,co1); - Mat4MulVecfl(imat,co2); - min_d=2.0; - - /* warning, returns the derived mesh face */ -#if EXPERIMENTAL_DEFORM_ONLY_PAINTING - if(psys_intersect_dm(ob,dm,0,co1,co2,&min_d,&add_pars[n].num,add_pars[n].fuv,0,0,0,0)) { - add_pars[n].num_dmcache= psys_particle_dm_face_lookup(ob,psmd->dm,add_pars[n].num,add_pars[n].fuv,NULL); - n++; - } -#else -#if 0 - if (psmd->dm->deformedOnly) { - if(psys_intersect_dm(ob,psmd->dm,0,co1,co2,&min_d,&add_pars[n].num,add_pars[n].fuv,0,0,0,0)){ - n++; - } - } else { - /* we need to test against the cage mesh, because 1) its faster and 2) then we can avoid converting the fuv back which is not simple */ - if(psys_intersect_dm(ob,psmd->dm,0,co1,co2,&min_d,&add_pars[n].num,add_pars[n].fuv,0,0,0,0)){ - MFace *mface; - float fuv_mod[3] = {0.0, 0.0, 0.0}; - OrigSpaceFace *osface; - - mface= psmd->dm->getFaceData(psmd->dm,add_pars[n].num,CD_MFACE); - osface= psmd->dm->getFaceData(psmd->dm, add_pars[n].num, CD_ORIGSPACE); - - add_pars[n].fuv[2]=0.0; - - /* use the original index for num and the derived index for num_dmcache */ - add_pars[n].num_dmcache = add_pars[n].num; - add_pars[n].num = *(int *)psmd->dm->getFaceData(psmd->dm, add_pars[n].num, CD_ORIGINDEX); - - /* This is totally unaceptable code (fakeing mesh dara) but changing the target function isnt really nice either, do this temporarily */ - if (1) { /* Evilness*/ - MFace mface_fake; - MVert mvert_fake[4]; - //int test1,test2; - //test1 = add_pars[n].num_dmcache; - //test2 = add_pars[n].num; - - mvert_fake[0].co[2] = mvert_fake[1].co[2] = mvert_fake[2].co[2] = mvert_fake[3].co[2] = 0.0; - - mface_fake.v1 = 0; - mface_fake.v2 = 1; - mface_fake.v3 = 2; - - if (mface->v4) { - mface_fake.v4 = 3; - } else { - mface_fake.v4 = 0; - } - - Vec2Copyf(mvert_fake[0].co, osface->uv[0]); - Vec2Copyf(mvert_fake[1].co, osface->uv[1]); - Vec2Copyf(mvert_fake[2].co, osface->uv[2]); - Vec2Copyf(mvert_fake[3].co, osface->uv[3]); - //printf("before %f %f %i %i\n", add_pars[n].fuv[0], add_pars[n].fuv[1], test1, test2); - psys_interpolate_face(&mvert_fake, &mface_fake, NULL, &add_pars[n].fuv, &fuv_mod, NULL, NULL, NULL); - - /* Apply as the UV */ - Vec2Copyf(add_pars[n].fuv, fuv_mod); - //printf("after %f %f\n", add_pars[n].fuv[0], add_pars[n].fuv[1]); - } - /* Make a fake face, for calculating the derived face's fuv on the original face */ - //PointInFace2DUV(mface->v4, osface->uv[0], osface->uv[1], osface->uv[2], osface->uv[3], add_pars[n].fuv, fuv_mod); - //Vec2Copyf(add_pars[n].fuv, fuv_mod); - - n++; - } - } -#endif -#endif - } - if(n){ - int newtotpart=totpart+n; - float hairmat[4][4], cur_co[3]; - KDTree *tree=0; - ParticleData *pa, *new_pars = MEM_callocN(newtotpart*sizeof(ParticleData),"ParticleData new"); - ParticleEditKey *ekey, **key, **new_keys = MEM_callocN(newtotpart*sizeof(ParticleEditKey *),"ParticleEditKey array new"); - HairKey *hkey; - - /* save existing elements */ - memcpy(new_pars, psys->particles, totpart * sizeof(ParticleData)); - memcpy(new_keys, edit->keys, totpart * sizeof(ParticleEditKey*)); - - /* change old arrays to new ones */ - if(psys->particles) MEM_freeN(psys->particles); - psys->particles = new_pars; - - if(edit->keys) MEM_freeN(edit->keys); - edit->keys = new_keys; - - if(edit->mirror_cache) { - MEM_freeN(edit->mirror_cache); - edit->mirror_cache = NULL; - } - - /* create tree for interpolation */ - if(pset->flag & PE_INTERPOLATE_ADDED && psys->totpart){ - tree=BLI_kdtree_new(psys->totpart); - - for(i=0, pa=psys->particles; i<totpart; i++, pa++) { - psys_particle_on_dm(psmd->dm,psys->part->from,pa->num,pa->num_dmcache,pa->fuv,pa->foffset,cur_co,0,0,0,0,0); - BLI_kdtree_insert(tree, i, cur_co, NULL); - } - - BLI_kdtree_balance(tree); - } - - psys->totpart = newtotpart; - - /* create new elements */ - pa = psys->particles + totpart; - key = edit->keys + totpart; - - for(i=totpart; i<newtotpart; i++, pa++, key++){ - memcpy(pa, add_pars + i - totpart, sizeof(ParticleData)); - pa->hair = MEM_callocN(pset->totaddkey * sizeof(HairKey), "BakeKey key add"); - ekey = *key = MEM_callocN(pset->totaddkey * sizeof(ParticleEditKey), "ParticleEditKey add"); - pa->totkey = pset->totaddkey; - - for(k=0, hkey=pa->hair; k<pa->totkey; k++, hkey++, ekey++) { - ekey->co = hkey->co; - ekey->time = &hkey->time; - } - - pa->size= 1.0f; - initialize_particle(pa,i,ob,psys,psmd); - reset_particle(pa,psys,psmd,ob,0.0,1.0,0,0,0); - pa->flag |= PARS_EDIT_RECALC; - if(pset->flag & PE_X_MIRROR) - pa->flag |= PARS_TAG; /* signal for duplicate */ - - framestep = pa->lifetime/(float)(pset->totaddkey-1); - - if(tree){ - HairKey *hkey; - ParticleKey key[3]; - KDTreeNearest ptn[3]; - int w, maxw; - float maxd, mind, dd, totw=0.0, weight[3]; - - psys_particle_on_dm(psmd->dm,psys->part->from,pa->num,pa->num_dmcache,pa->fuv,pa->foffset,co1,0,0,0,0,0); - maxw = BLI_kdtree_find_n_nearest(tree,3,co1,NULL,ptn); - - maxd = ptn[maxw-1].dist; - mind = ptn[0].dist; - dd = maxd - mind; - - for(w=0; w<maxw; w++){ - weight[w] = (float)pow(2.0, (double)(-6.0f * ptn[w].dist / maxd)); - totw += weight[w]; - } - for(;w<3; w++){ - weight[w] = 0.0f; - } - - for(w=0; w<maxw; w++) - weight[w] /= totw; - - for(k=0; k<pset->totaddkey; k++) { - hkey = pa->hair + k; - hkey->time = pa->time + k * framestep; - - key[0].time = hkey->time/ 100.0f; - psys_get_particle_on_path(ob, psys, ptn[0].index, key, 0); - VecMulf(key[0].co, weight[0]); - - if(maxw>1) { - key[1].time = key[0].time; - psys_get_particle_on_path(ob, psys, ptn[1].index, key + 1, 0); - VecMulf(key[1].co, weight[1]); - VECADD(key[0].co, key[0].co, key[1].co); - - if(maxw>2) { - key[2].time = key[0].time; - psys_get_particle_on_path(ob, psys, ptn[2].index, key + 2, 0); - VecMulf(key[2].co, weight[2]); - VECADD(key[0].co, key[0].co, key[2].co); - } - } - - if(k==0) - VECSUB(co1, pa->state.co, key[0].co); - - VECADD(pa->hair[k].co, key[0].co, co1); - - pa->hair[k].time = key[0].time; - } - } - else{ - for(k=0, hkey=pa->hair; k<pset->totaddkey; k++, hkey++) { - VECADDFAC(hkey->co, pa->state.co, pa->state.vel, k * framestep * timestep); - pa->hair[k].time += k * framestep; - } - } - for(k=0, hkey=pa->hair; k<pset->totaddkey; k++, hkey++) { - psys_mat_hair_to_global(ob, psmd->dm, psys->part->from, pa, hairmat); - Mat4Invert(imat,hairmat); - Mat4MulVecfl(imat, hkey->co); - } - } - edit->totkeys = psys_count_keys(psys); - - if(tree) - BLI_kdtree_free(tree); - } - if(add_pars) - MEM_freeN(add_pars); - -/* painting onto the deformed mesh, could be an option? */ -#if EXPERIMENTAL_DEFORM_ONLY_PAINTING - if (!psmd->dm->deformedOnly) - dm->release(dm); -#endif -} -static void brush_weight(ParticleSystem *psys, float mat[][4], float imat[][4], int pa_index, int key_index, void *userData) -{ - struct { Object *ob; short *mval; float rad; rcti* rect; float dist; float weightfac;} *data = userData; - ParticleData *pa; - - /* roots have full weight allways */ - if(key_index) { - pa= &psys->particles[pa_index]; - pa->hair[key_index].weight = data->weightfac; - pa->flag |= PARS_EDIT_RECALC; - } -} - -/* returns 0 if no brush was used */ -int PE_brush_particles(void) -{ - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - ParticleEdit *edit; - ParticleEditSettings *pset = PE_settings(); - ParticleSystemModifierData *psmd; - ParticleBrushData *brush; - float vec1[3], vec2[3]; - short mval[2], mvalo[2], firsttime = 1, dx, dy; - int selected = 0, flip, removed = 0; - - if(!PE_can_edit(psys)) return 0; - - edit = psys->edit; - psmd= psys_get_modifier(ob, psys); - - flip= (get_qual() == LR_SHIFTKEY); - - if(pset->brushtype<0) return 0; - brush= &pset->brush[pset->brushtype]; - - initgrabz(ob->obmat[3][0], ob->obmat[3][1], ob->obmat[3][2]); - - getmouseco_areawin(mvalo); - - mval[0] = mvalo[0]; mval[1] = mvalo[1]; - - while(get_mbut() & L_MOUSE){ - bglFlush(); - glReadBuffer(GL_BACK); - glDrawBuffer(GL_BACK); - persp(PERSP_VIEW); - - dx=mval[0]-mvalo[0]; - dy=mval[1]-mvalo[1]; - if(((pset->brushtype == PE_BRUSH_ADD) ? - (sqrt(dx * dx + dy * dy) > pset->brush[PE_BRUSH_ADD].step) : (dx != 0 || dy != 0)) - || firsttime){ - firsttime = 0; - - selected = (short)count_selected_keys(psys); - - switch(pset->brushtype){ - case PE_BRUSH_COMB: - { - struct { Object *ob; short *mval; float rad; rcti* rect; float dist; float *dvec; float combfac;} data; - - data.ob = ob; - data.mval = mval; - data.rad = (float)brush->size; - - data.combfac = (float)(brush->strength - 50) / 50.0f; - if(data.combfac < 0.0f) - data.combfac = 1.0f - 9.0f * data.combfac; - else - data.combfac = 1.0f - data.combfac; - - Mat4Invert(ob->imat, ob->obmat); - - window_to_3d(vec1, mvalo[0], mvalo[1]); - window_to_3d(vec2, mval[0], mval[1]); - VECSUB(vec1, vec2, vec1); - data.dvec = vec1; - - foreach_mouse_hit_key(selected, psys,brush_comb, &data); - break; - } - case PE_BRUSH_CUT: - { - struct { short *mval; float rad; rcti* rect; int selected; float cutfac; bglMats mats;} data; - - data.mval = mval; - data.rad = (float)brush->size; - - data.selected = selected; - - data.cutfac = (float)(brush->strength / 100.0f); - - bgl_get_mats(&(data.mats)); - - if(selected) - foreach_selected_element(psys, brush_cut, &data); - else - PE_foreach_element(psys, brush_cut, &data); - - removed= remove_tagged_elements(ob, psys); - if(pset->flag & PE_KEEP_LENGTHS) - recalc_lengths(psys); - break; - } - case PE_BRUSH_LENGTH: - { - struct { short *mval; float rad; rcti* rect; float dist; float growfac; } data; - - data.mval = mval; - - data.rad = (float)brush->size; - data.growfac = (float)brush->strength / 5000.0f; - - if(brush->invert ^ flip) - data.growfac = 1.0f - data.growfac; - else - data.growfac = 1.0f + data.growfac; - - foreach_mouse_hit_element(selected, psys, brush_length, &data); - - if(pset->flag & PE_KEEP_LENGTHS) - recalc_lengths(psys); - break; - } - case PE_BRUSH_PUFF: - { - struct { short *mval; float rad; rcti* rect; float dist; - Object *ob; DerivedMesh *dm; float pufffac; int invert; } data; - - data.ob = ob; - data.dm = psmd->dm; - data.mval = mval; - data.rad = (float)brush->size; - - data.pufffac = (float)(brush->strength - 50) / 50.0f; - if(data.pufffac < 0.0f) - data.pufffac = 1.0f - 9.0f * data.pufffac; - else - data.pufffac = 1.0f - data.pufffac; - - data.invert= (brush->invert ^ flip); - Mat4Invert(ob->imat, ob->obmat); - - foreach_mouse_hit_element(selected, psys, brush_puff, &data); - break; - } - case PE_BRUSH_ADD: - if(psys->part->from==PART_FROM_FACE){ - brush_add(ob, psys, mval, brush->strength); - if(pset->flag & PE_KEEP_LENGTHS) - recalc_lengths(psys); - } - break; - case PE_BRUSH_WEIGHT: - { - struct { Object *ob; short *mval; float rad; rcti* rect; float dist; float weightfac;} data; - - data.ob = ob; - data.mval = mval; - data.rad = (float)brush->size; - - data.weightfac = (float)(brush->strength / 100.0f); - - foreach_mouse_hit_key(selected, psys, brush_weight, &data); - break; - } - case PE_BRUSH_SMOOTH: - { - struct { Object *ob; short *mval; float rad; rcti* rect; float dist; float vec[3]; int tot; float smoothfac;} data; - - data.ob = ob; - data.mval = mval; - data.rad = (float)brush->size; - - data.vec[0] = data.vec[1] = data.vec[2] = 0.0f; - data.tot = 0; - - data.smoothfac = (float)(brush->strength / 100.0f); - - Mat4Invert(ob->imat, ob->obmat); - - foreach_mouse_hit_key(selected, psys, brush_smooth_get, &data); - - if(data.tot){ - VecMulf(data.vec, 1.0f / (float)data.tot); - foreach_mouse_hit_key(selected, psys, brush_smooth_do, &data); - } - - break; - } - } - if((pset->flag & PE_KEEP_LENGTHS)==0) - recalc_lengths(psys); - - if(pset->brushtype == PE_BRUSH_ADD || removed) { - if(pset->brushtype == PE_BRUSH_ADD && (pset->flag & PE_X_MIRROR)) - PE_mirror_x(1); - PE_recalc_world_cos(ob,psys); - psys_free_path_cache(psys); - DAG_object_flush_update(G.scene, ob, OB_RECALC_DATA); - } - else - PE_update_object(ob, 1); - - mvalo[0] = mval[0]; - mvalo[1] = mval[1]; - } - - force_draw(0); - - PIL_sleep_ms(10); - - getmouseco_areawin(mval); - } - allqueue(REDRAWVIEW3D, 1); - - BIF_undo_push("Brush edit particles"); - - return 1; -} -static void set_delete_particle(ParticleSystem *psys, int index, void *userData) -{ - psys->particles[index].flag |= PARS_TAG; -} -static void set_delete_particle_key(ParticleSystem *psys, int pa_index, int key_index, void *userData) -{ - psys->edit->keys[pa_index][key_index].flag |= PEK_TAG; -} -void PE_delete_particle(void) -{ - Object *ob=OBACT; - ParticleSystem *psys = PE_get_current(ob); - short event=0; - - if(!PE_can_edit(psys)) return; - - event= pupmenu("Erase %t|Particle%x2|Key%x1"); - - if(event<1) return; - - if(event==1){ - foreach_selected_key(psys, set_delete_particle_key, 0); - remove_tagged_keys(ob, psys); - recalc_lengths(psys); - } - else if(event==2){ - foreach_selected_element(psys, set_delete_particle, 0); - remove_tagged_elements(ob, psys); - recalc_lengths(psys); - } - - DAG_object_flush_update(G.scene, ob, OB_RECALC_DATA); - allqueue(REDRAWVIEW3D, 1); - BIF_undo_push("Delete particles/keys"); -} - -void PE_mirror_x(int tagged) -{ - Object *ob=OBACT; - Mesh *me= (Mesh*)(ob->data); - ParticleSystemModifierData *psmd; - ParticleSystem *psys = PE_get_current(ob); - ParticleEdit *edit; - ParticleData *pa, *newpa, *new_pars; - ParticleEditKey *ekey, **newkey, **key, **new_keys; - HairKey *hkey; - int *mirrorfaces; - int i, k, rotation, totpart, newtotpart; - - if(!PE_can_edit(psys)) return; - - edit= psys->edit; - psmd= psys_get_modifier(ob, psys); - - mirrorfaces= mesh_get_x_mirror_faces(ob); - - if(!edit->mirror_cache) - PE_update_mirror_cache(ob, psys); - - totpart= psys->totpart; - newtotpart= psys->totpart; - LOOP_PARTICLES(i,pa) { - if(pa->flag&PARS_HIDE) continue; - - if(!tagged) { - if(particle_is_selected(psys, pa)) { - if(edit->mirror_cache[i] != -1) { - /* already has a mirror, don't need to duplicate */ - PE_mirror_particle(ob, psmd->dm, psys, pa, NULL); - continue; - } - else - pa->flag |= PARS_TAG; - } - } - - if((pa->flag & PARS_TAG) && mirrorfaces[pa->num*2] != -1) - newtotpart++; - } - - if(newtotpart != psys->totpart) { - /* allocate new arrays and copy existing */ - new_pars= MEM_callocN(newtotpart*sizeof(ParticleData), "ParticleData new"); - new_keys= MEM_callocN(newtotpart*sizeof(ParticleEditKey*), "ParticleEditKey new"); - - memcpy(new_pars, psys->particles, totpart*sizeof(ParticleData)); - memcpy(new_keys, edit->keys, totpart*sizeof(ParticleEditKey*)); - - if(psys->particles) MEM_freeN(psys->particles); - psys->particles= new_pars; - - if(edit->keys) MEM_freeN(edit->keys); - edit->keys= new_keys; - - if(edit->mirror_cache) { - MEM_freeN(edit->mirror_cache); - edit->mirror_cache= NULL; - } - - psys->totpart= newtotpart; - - /* create new elements */ - pa= psys->particles; - newpa= psys->particles + totpart; - key= edit->keys; - newkey= edit->keys + totpart; - - for(i=0; i<totpart; i++, pa++, key++) { - if(pa->flag&PARS_HIDE) continue; - - if(!(pa->flag & PARS_TAG) || mirrorfaces[pa->num*2] == -1) - continue; - - /* duplicate */ - *newpa= *pa; - if(pa->hair) newpa->hair= MEM_dupallocN(pa->hair); - if(pa->keys) newpa->keys= MEM_dupallocN(pa->keys); - if(*key) *newkey= MEM_dupallocN(*key); - - /* rotate weights according to vertex index rotation */ - rotation= mirrorfaces[pa->num*2+1]; - newpa->fuv[0]= pa->fuv[2]; - newpa->fuv[1]= pa->fuv[1]; - newpa->fuv[2]= pa->fuv[0]; - newpa->fuv[3]= pa->fuv[3]; - while(rotation-- > 0) - if(me->mface[pa->num].v4) - SHIFT4(float, newpa->fuv[0], newpa->fuv[1], newpa->fuv[2], newpa->fuv[3]) - else - SHIFT3(float, newpa->fuv[0], newpa->fuv[1], newpa->fuv[2]) - - /* assign face inddex */ - newpa->num= mirrorfaces[pa->num*2]; - newpa->num_dmcache= psys_particle_dm_face_lookup(ob,psmd->dm,newpa->num,newpa->fuv, NULL); - - /* update edit key pointers */ - ekey= *newkey; - for(k=0, hkey=newpa->hair; k<newpa->totkey; k++, hkey++, ekey++) { - ekey->co= hkey->co; - ekey->time= &hkey->time; - } - - /* map key positions as mirror over x axis */ - PE_mirror_particle(ob, psmd->dm, psys, pa, newpa); - - newpa++; - newkey++; - } - - edit->totkeys = psys_count_keys(psys); - } - - for(pa=psys->particles, i=0; i<psys->totpart; i++, pa++) - pa->flag &= ~PARS_TAG; - - MEM_freeN(mirrorfaces); - - if(!tagged) { - PE_recalc_world_cos(ob,psys); - DAG_object_flush_update(G.scene, ob, OB_RECALC_DATA); - allqueue(REDRAWVIEW3D, 1); - BIF_undo_push("Mirror particles"); - } -} - -void PE_selectbrush_menu(void) -{ - ParticleEditSettings *pset= PE_settings(); - int val; - - pupmenu_set_active(pset->brushtype); - - val= pupmenu("Select Brush%t|None %x0|Comb %x1|Smooth %x7|Weight %x6|Add %x5|Length %x3|Puff %x4|Cut %x2"); - - if(val>=0) { - pset->brushtype= val-1; - allqueue(REDRAWVIEW3D, 1); - } -} - -/************************************************/ -/* Particle Edit Undo */ -/************************************************/ -static void free_ParticleUndo(ParticleUndo *undo) -{ - ParticleData *pa; - int i; - - for(i=0, pa=undo->particles; i<undo->totpart; i++, pa++) { - if(pa->hair) - MEM_freeN(pa->hair); - if(undo->keys[i]) - MEM_freeN(undo->keys[i]); - } - if(undo->keys) - MEM_freeN(undo->keys); - - if(undo->particles) - MEM_freeN(undo->particles); - - //if(undo->emitter_cosnos) - // MEM_freeN(undo->emitter_cosnos); -} -static void make_ParticleUndo(ParticleSystem *psys, ParticleUndo *undo) -{ - ParticleData *pa,*upa; - int i; - - undo->totpart = psys->totpart; - undo->totkeys = psys->edit->totkeys; - - upa = undo->particles = MEM_dupallocN(psys->particles); - undo->keys = MEM_dupallocN(psys->edit->keys); - - for(i=0, pa=psys->particles; i<undo->totpart; i++, pa++, upa++) { - upa->hair = MEM_dupallocN(pa->hair); - undo->keys[i] = MEM_dupallocN(psys->edit->keys[i]); - /* no need to update edit key->co & key->time pointers here */ - } -} -static void get_ParticleUndo(ParticleSystem *psys, ParticleUndo *undo) -{ - ParticleData *pa, *upa; - ParticleEditKey *key; - HairKey *hkey; - int i, k, totpart = psys->totpart; - - LOOP_PARTICLES(i,pa) { - if(pa->hair) - MEM_freeN(pa->hair); - - if(psys->edit->keys[i]) - MEM_freeN(psys->edit->keys[i]); - } - if(psys->particles) - MEM_freeN(psys->particles); - if(psys->edit->keys) - MEM_freeN(psys->edit->keys); - if(psys->edit->mirror_cache) { - MEM_freeN(psys->edit->mirror_cache); - psys->edit->mirror_cache= NULL; - } - - pa = psys->particles = MEM_dupallocN(undo->particles); - psys->edit->keys = MEM_dupallocN(undo->keys); - - for(i=0,upa=undo->particles; i<undo->totpart; i++, upa++, pa++){ - hkey = pa->hair = MEM_dupallocN(upa->hair); - key = psys->edit->keys[i] = MEM_dupallocN(undo->keys[i]); - for(k=0; k<pa->totkey; k++, hkey++, key++) { - key->co = hkey->co; - key->time = &hkey->time; - } - } - - psys->totpart = undo->totpart; - psys->edit->totkeys = undo->totkeys; -} -void PE_undo_push(char *str) -{ - ParticleSystem *psys = PE_get_current(OBACT); - ParticleEdit *edit = 0; - ParticleUndo *undo; - int nr; - - if(!PE_can_edit(psys)) return; - edit = psys->edit; - - /* remove all undos after (also when curundo==NULL) */ - while(edit->undo.last != edit->curundo) { - undo= edit->undo.last; - BLI_remlink(&edit->undo, undo); - free_ParticleUndo(undo); - MEM_freeN(undo); - } - - /* make new */ - edit->curundo= undo= MEM_callocN(sizeof(ParticleUndo), "particle undo file"); - strncpy(undo->name, str, 64-1); - BLI_addtail(&edit->undo, undo); - - /* and limit amount to the maximum */ - nr= 0; - undo= edit->undo.last; - while(undo) { - nr++; - if(nr==U.undosteps) break; - undo= undo->prev; - } - if(undo) { - while(edit->undo.first!=undo) { - ParticleUndo *first= edit->undo.first; - BLI_remlink(&edit->undo, first); - free_ParticleUndo(first); - MEM_freeN(first); - } - } - - /* copy */ - make_ParticleUndo(psys,edit->curundo); -} -void PE_undo_step(int step) -{ - ParticleSystem *psys = PE_get_current(OBACT); - ParticleEdit *edit = 0; - - if(!PE_can_edit(psys)) return; - edit=psys->edit; - - if(step==0) { - get_ParticleUndo(psys,edit->curundo); - } - else if(step==1) { - - if(edit->curundo==NULL || edit->curundo->prev==NULL) error("No more steps to undo"); - else { - if(G.f & G_DEBUG) printf("undo %s\n", edit->curundo->name); - edit->curundo= edit->curundo->prev; - get_ParticleUndo(psys, edit->curundo); - } - } - else { - /* curundo has to remain current situation! */ - - if(edit->curundo==NULL || edit->curundo->next==NULL) error("No more steps to redo"); - else { - get_ParticleUndo(psys, edit->curundo->next); - edit->curundo= edit->curundo->next; - if(G.f & G_DEBUG) printf("redo %s\n", edit->curundo->name); - } - } - - DAG_object_flush_update(G.scene, OBACT, OB_RECALC_DATA); - allqueue(REDRAWVIEW3D, 1); - allqueue(REDRAWBUTSEDIT, 0); - allqueue(REDRAWIMAGE, 0); -} -static void ParticleUndo_number(ParticleEdit *edit, int nr) -{ - ParticleUndo *undo; - int a=1; - - for(undo= edit->undo.first; undo; undo= undo->next, a++) { - if(a==nr) break; - } - edit->curundo= undo; - PE_undo_step(0); -} -static void ParticleUndo_clear(ParticleSystem *psys) -{ - ParticleUndo *undo; - ParticleEdit *edit; - - if(psys==0) return; - - edit = psys->edit; - - if(edit==0) return; - - undo= edit->undo.first; - while(undo) { - free_ParticleUndo(undo); - undo= undo->next; - } - BLI_freelistN(&edit->undo); - edit->curundo= NULL; -} -void PE_undo(void) -{ - PE_undo_step(1); -} -void PE_redo(void) -{ - PE_undo_step(-1); -} -void PE_undo_menu(void) -{ - ParticleSystem *psys = PE_get_current(OBACT); - ParticleEdit *edit = 0; - ParticleUndo *undo; - DynStr *ds; - short event; - char *menu; - - if(!PE_can_edit(psys)) return; - edit = psys->edit; - - ds= BLI_dynstr_new(); - - BLI_dynstr_append(ds, "Particlemode Undo History %t"); - - for(undo= edit->undo.first; undo; undo= undo->next) { - BLI_dynstr_append(ds, "|"); - BLI_dynstr_append(ds, undo->name); - } - - menu= BLI_dynstr_get_cstring(ds); - BLI_dynstr_free(ds); - - event= pupmenu_col(menu, 20); - MEM_freeN(menu); - - if(event>0) ParticleUndo_number(edit,event); -} - -void PE_get_colors(char sel[4], char nosel[4]) -{ - BIF_GetThemeColor3ubv(TH_EDGE_SELECT, sel); - BIF_GetThemeColor3ubv(TH_WIRE, nosel); -} - -int PE_minmax(float *min, float *max) -{ - Object *ob = OBACT; - ParticleSystem *psys = PE_get_current(ob); - ParticleSystemModifierData *psmd; - ParticleData *pa; - ParticleEditKey *key; - float co[3], mat[4][4]; - int i, k, totpart, ok = 0; - - if(!PE_can_edit(psys)) return ok; - - psmd= psys_get_modifier(ob, psys); - totpart= psys->totpart; - - LOOP_PARTICLES(i,pa){ - if(pa->flag&PARS_HIDE) continue; - - psys_mat_hair_to_global(ob, psmd->dm, psys->part->from, pa, mat); - - LOOP_KEYS(k,key){ - if(key->flag&PEK_SELECT) { - VECCOPY(co, key->co); - Mat4MulVecfl(mat, co); - DO_MINMAX(co, min, max); - ok= 1; - } - } - } - - if(!ok) { - minmax_object(ob, min, max); - ok= 1; - } - - return ok; -} - |