diff options
Diffstat (limited to 'source/blender/editors/metaball/mball_edit.c')
| -rw-r--r-- | source/blender/editors/metaball/mball_edit.c | 679 |
1 files changed, 679 insertions, 0 deletions
diff --git a/source/blender/editors/metaball/mball_edit.c b/source/blender/editors/metaball/mball_edit.c new file mode 100644 index 00000000000..9ab985fb3fb --- /dev/null +++ b/source/blender/editors/metaball/mball_edit.c @@ -0,0 +1,679 @@ +/** + * $Id$ + * + * ***** 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) 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 ***** + */ + +#include <math.h> +#include <string.h> + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "MEM_guardedalloc.h" + +#include "BLI_blenlib.h" +#include "BLI_arithb.h" +#include "BLI_rand.h" + +#include "DNA_meta_types.h" +#include "DNA_object_types.h" +#include "DNA_scene_types.h" +#include "DNA_view3d_types.h" +#include "DNA_windowmanager_types.h" +#include "DNA_userdef_types.h" + +#include "RNA_define.h" +#include "RNA_access.h" + +#include "BKE_utildefines.h" +#include "BKE_depsgraph.h" +#include "BKE_object.h" +#include "BKE_context.h" + +#include "ED_screen.h" +#include "ED_view3d.h" +#include "ED_transform.h" +#include "ED_util.h" + +#include "WM_api.h" +#include "WM_types.h" + +/* This function is used to free all MetaElems from MetaBall */ +void free_editMball(Object *obedit) +{ +} + +/* This function is called, when MetaBall Object is + * switched from object mode to edit mode */ +void make_editMball(Object *obedit) +{ + MetaBall *mb = (MetaBall*)obedit->data; + MetaElem *ml;/*, *newml;*/ + + ml= mb->elems.first; + + while(ml) { + if(ml->flag & SELECT) mb->lastelem = ml; + ml= ml->next; + } + + mb->editelems = &mb->elems; +} + +/* This function is called, when MetaBall Object switched from + * edit mode to object mode. List od MetaElements is copied + * from object->data->edit_elems to to object->data->elems. */ +void load_editMball(Object *obedit) +{ + MetaBall *mb = (MetaBall*)obedit->data; + + mb->editelems= NULL; + mb->lastelem= NULL; +} + +/* Add metaelem primitive to metaball object (which is in edit mode) */ +MetaElem *add_metaball_primitive(bContext *C, int type, int newname) +{ + Scene *scene= CTX_data_scene(C); + View3D *v3d= CTX_wm_view3d(C); + RegionView3D *rv3d = CTX_wm_region_view3d(C); + Object *obedit= CTX_data_edit_object(C); + MetaBall *mball = (MetaBall*)obedit->data; + MetaElem *ml; + float *curs, mat[3][3], cent[3], imat[3][3], cmat[3][3]; + + if(!obedit) return NULL; + + /* Deselect all existing metaelems */ + ml= mball->editelems->first; + while(ml) { + ml->flag &= ~SELECT; + ml= ml->next; + } + + Mat3CpyMat4(mat, obedit->obmat); + if(v3d) { + curs= give_cursor(scene, v3d); + VECCOPY(cent, curs); + } + else + cent[0]= cent[1]= cent[2]= 0.0f; + + cent[0]-= obedit->obmat[3][0]; + cent[1]-= obedit->obmat[3][1]; + cent[2]-= obedit->obmat[3][2]; + + if (rv3d) { + if (!(newname) || U.flag & USER_ADD_VIEWALIGNED || !rv3d) + Mat3CpyMat4(imat, rv3d->viewmat); + else + Mat3One(imat); + Mat3MulVecfl(imat, cent); + Mat3MulMat3(cmat, imat, mat); + Mat3Inv(imat,cmat); + Mat3MulVecfl(imat, cent); + } + else + Mat3One(imat); + + ml= MEM_callocN(sizeof(MetaElem), "metaelem"); + + ml->x= cent[0]; + ml->y= cent[1]; + ml->z= cent[2]; + ml->quat[0]= 1.0; + ml->quat[1]= 0.0; + ml->quat[2]= 0.0; + ml->quat[3]= 0.0; + ml->rad= 2.0; + ml->s= 2.0; + ml->flag= SELECT | MB_SCALE_RAD; + + switch(type) { + case MB_BALL: + ml->type = MB_BALL; + ml->expx= ml->expy= ml->expz= 1.0; + break; + case MB_TUBE: + ml->type = MB_TUBE; + ml->expx= ml->expy= ml->expz= 1.0; + break; + case MB_PLANE: + ml->type = MB_PLANE; + ml->expx= ml->expy= ml->expz= 1.0; + break; + case MB_ELIPSOID: + ml->type = MB_ELIPSOID; + ml->expx= 1.2f; + ml->expy= 0.8f; + ml->expz= 1.0; + break; + case MB_CUBE: + ml->type = MB_CUBE; + ml->expx= ml->expy= ml->expz= 1.0; + break; + default: + break; + } + + mball->lastelem= ml; + + return ml; +} + +/***************************** Select/Deselect operator *****************************/ + +/* Select or deselect all MetaElements */ +static int select_deselect_all_metaelems_exec(bContext *C, wmOperator *op) +{ + //Scene *scene= CTX_data_scene(C); + Object *obedit= CTX_data_edit_object(C); + MetaBall *mb = (MetaBall*)obedit->data; + MetaElem *ml; + int any_sel= 0; + + /* Is any metaelem selected? */ + ml= mb->editelems->first; + if(ml) { + while(ml) { + if(ml->flag & SELECT) break; + ml= ml->next; + } + if(ml) any_sel= 1; + + ml= mb->editelems->first; + while(ml) { + if(any_sel) ml->flag &= ~SELECT; + else ml->flag |= SELECT; + ml= ml->next; + } + WM_event_add_notifier(C, NC_GEOM|ND_SELECT, mb); + //DAG_id_flush_update(obedit->data, OB_RECALC_DATA); + } + + return OPERATOR_FINISHED; +} + +void MBALL_OT_select_deselect_all_metaelems(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Select/Deselect All"; + ot->idname= "MBALL_OT_select_deselect_all_metaelems"; + + /* callback functions */ + ot->exec= select_deselect_all_metaelems_exec; + ot->poll= ED_operator_editmball; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +/***************************** Select inverse operator *****************************/ + +/* Invert metaball selection */ +static int select_inverse_metaelems_exec(bContext *C, wmOperator *op) +{ + Object *obedit= CTX_data_edit_object(C); + MetaBall *mb = (MetaBall*)obedit->data; + MetaElem *ml; + + ml= mb->editelems->first; + if(ml) { + while(ml) { + if(ml->flag & SELECT) + ml->flag &= ~SELECT; + else + ml->flag |= SELECT; + ml= ml->next; + } + WM_event_add_notifier(C, NC_GEOM|ND_SELECT, mb); + } + + return OPERATOR_FINISHED; +} + +void MBALL_OT_select_inverse_metaelems(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Inverse"; + ot->idname= "MBALL_OT_select_inverse_metaelems"; + + /* callback functions */ + ot->exec= select_inverse_metaelems_exec; + ot->poll= ED_operator_editmball; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +/***************************** Select random operator *****************************/ + +/* Random metaball selection */ +static int select_random_metaelems_exec(bContext *C, wmOperator *op) +{ + Object *obedit= CTX_data_edit_object(C); + MetaBall *mb = (MetaBall*)obedit->data; + MetaElem *ml; + float percent= RNA_float_get(op->ptr, "percent"); + + if(percent == 0.0) + return OPERATOR_CANCELLED; + + ml= mb->editelems->first; + BLI_srand( BLI_rand() ); /* Random seed */ + + /* Stupid version of random selection. Should be improved. */ + while(ml) { + if(BLI_frand() < percent) + ml->flag |= SELECT; + else + ml->flag &= ~SELECT; + ml= ml->next; + } + + WM_event_add_notifier(C, NC_GEOM|ND_SELECT, mb); + + return OPERATOR_FINISHED; +} + + +void MBALL_OT_select_random_metaelems(struct wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Random..."; + ot->idname= "MBALL_OT_select_random_metaelems"; + + /* callback functions */ + ot->exec= select_random_metaelems_exec; + ot->invoke= WM_operator_props_popup; + ot->poll= ED_operator_editmball; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; + + /* properties */ + RNA_def_float_percentage(ot->srna, "percent", 0.5f, 0.0f, 1.0f, "Percent", "Percentage of metaelems to select randomly.", 0.0001f, 1.0f); +} + +/***************************** Duplicate operator *****************************/ + +/* Duplicate selected MetaElements */ +static int duplicate_metaelems_exec(bContext *C, wmOperator *op) +{ + Object *obedit= CTX_data_edit_object(C); + MetaBall *mb = (MetaBall*)obedit->data; + MetaElem *ml, *newml; + + ml= mb->editelems->last; + if(ml) { + while(ml) { + if(ml->flag & SELECT) { + newml= MEM_dupallocN(ml); + BLI_addtail(mb->editelems, newml); + mb->lastelem= newml; + ml->flag &= ~SELECT; + } + ml= ml->prev; + } + WM_event_add_notifier(C, NC_GEOM|ND_DATA, mb); + DAG_id_flush_update(obedit->data, OB_RECALC_DATA); + } + + return OPERATOR_FINISHED; +} + +static int duplicate_metaelems_invoke(bContext *C, wmOperator *op, wmEvent *event) +{ + int retv= duplicate_metaelems_exec(C, op); + + if (retv == OPERATOR_FINISHED) { + RNA_int_set(op->ptr, "mode", TFM_TRANSLATION); + WM_operator_name_call(C, "TFM_OT_transform", WM_OP_INVOKE_REGION_WIN, op->ptr); + } + + return retv; +} + + +void MBALL_OT_duplicate_metaelems(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Duplicate"; + ot->idname= "MBALL_OT_duplicate_metaelems"; + + /* callback functions */ + ot->exec= duplicate_metaelems_exec; + ot->invoke= duplicate_metaelems_invoke; + ot->poll= ED_operator_editmball; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; + + /* to give to transform */ + RNA_def_int(ot->srna, "mode", TFM_TRANSLATION, 0, INT_MAX, "Mode", "", 0, INT_MAX); +} + +/***************************** Delete operator *****************************/ + +/* Delete all selected MetaElems (not MetaBall) */ +static int delete_metaelems_exec(bContext *C, wmOperator *op) +{ + Object *obedit= CTX_data_edit_object(C); + MetaBall *mb= (MetaBall*)obedit->data; + MetaElem *ml, *next; + + ml= mb->editelems->first; + if(ml) { + while(ml) { + next= ml->next; + if(ml->flag & SELECT) { + if(mb->lastelem==ml) mb->lastelem= NULL; + BLI_remlink(mb->editelems, ml); + MEM_freeN(ml); + } + ml= next; + } + WM_event_add_notifier(C, NC_GEOM|ND_DATA, mb); + DAG_id_flush_update(obedit->data, OB_RECALC_DATA); + } + + return OPERATOR_FINISHED; +} + +void MBALL_OT_delete_metaelems(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Delete"; + ot->idname= "MBALL_OT_delete_metaelems"; + + /* callback functions */ + ot->exec= delete_metaelems_exec; + ot->poll= ED_operator_editmball; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +/***************************** Hide operator *****************************/ + +/* Hide selected MetaElems */ +static int hide_metaelems_exec(bContext *C, wmOperator *op) +{ + Object *obedit= CTX_data_edit_object(C); + MetaBall *mb= (MetaBall*)obedit->data; + MetaElem *ml; + int hide_unselected= RNA_boolean_get(op->ptr, "unselected"); + + ml= mb->editelems->first; + + if(ml) { + /* Hide unselected metaelems */ + if(hide_unselected) { + while(ml){ + if(!(ml->flag & SELECT)) + ml->flag |= MB_HIDE; + ml= ml->next; + } + /* Hide selected metaelems */ + } else { + while(ml){ + if(ml->flag & SELECT) + ml->flag |= MB_HIDE; + ml= ml->next; + } + } + WM_event_add_notifier(C, NC_GEOM|ND_DATA, mb); + DAG_id_flush_update(obedit->data, OB_RECALC_DATA); + } + + return OPERATOR_FINISHED; +} + +void MBALL_OT_hide_metaelems(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Hide"; + ot->idname= "MBALL_OT_hide_metaelems"; + + /* callback functions */ + ot->exec= hide_metaelems_exec; + ot->poll= ED_operator_editmball; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; + + /* props */ + RNA_def_boolean(ot->srna, "unselected", 0, "Unselected", "Hide unselected rather than selected."); +} + +/***************************** Unhide operator *****************************/ + +/* Unhide all edited MetaElems */ +static int reveal_metaelems_exec(bContext *C, wmOperator *op) +{ + Object *obedit= CTX_data_edit_object(C); + MetaBall *mb= (MetaBall*)obedit->data; + MetaElem *ml; + + ml= mb->editelems->first; + + if(ml) { + while(ml) { + ml->flag &= ~MB_HIDE; + ml= ml->next; + } + WM_event_add_notifier(C, NC_GEOM|ND_DATA, mb); + DAG_id_flush_update(obedit->data, OB_RECALC_DATA); + } + + return OPERATOR_FINISHED; +} + +void MBALL_OT_reveal_metaelems(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Reveal"; + ot->idname= "MBALL_OT_reveal_metaelems"; + + /* callback functions */ + ot->exec= reveal_metaelems_exec; + ot->poll= ED_operator_editmball; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +/* Select MetaElement with mouse click (user can select radius circle or + * stiffness circle) */ +void mouse_mball(bContext *C, short mval[2], int extend) +{ + static MetaElem *startelem=NULL; + Object *obedit= CTX_data_edit_object(C); + ViewContext vc; + MetaBall *mb = (MetaBall*)obedit->data; + MetaElem *ml, *act=NULL; + int a, hits; + unsigned int buffer[4*MAXPICKBUF]; + rcti rect; + + view3d_set_viewcontext(C, &vc); + + rect.xmin= mval[0]-12; + rect.xmax= mval[0]+12; + rect.ymin= mval[1]-12; + rect.ymax= mval[1]+12; + + hits= view3d_opengl_select(&vc, buffer, MAXPICKBUF, &rect); + + /* does startelem exist? */ + ml= mb->editelems->first; + while(ml) { + if(ml==startelem) break; + ml= ml->next; + } + + if(ml==NULL) startelem= mb->editelems->first; + + if(hits>0) { + ml= startelem; + while(ml) { + for(a=0; a<hits; a++) { + /* index converted for gl stuff */ + if(ml->selcol1==buffer[ 4 * a + 3 ]){ + ml->flag |= MB_SCALE_RAD; + act= ml; + } + if(ml->selcol2==buffer[ 4 * a + 3 ]){ + ml->flag &= ~MB_SCALE_RAD; + act= ml; + } + } + if(act) break; + ml= ml->next; + if(ml==NULL) ml= mb->editelems->first; + if(ml==startelem) break; + } + + /* When some metaelem was found, then it is neccessary to select or + * deselet it. */ + if(act) { + if(extend==0) { + /* Deselect all existing metaelems */ + ml= mb->editelems->first; + while(ml) { + ml->flag &= ~SELECT; + ml= ml->next; + } + /* Select only metaelem clicked on */ + act->flag |= SELECT; + } + else { + if(act->flag & SELECT) + act->flag &= ~SELECT; + else + act->flag |= SELECT; + } + mb->lastelem= act; + + WM_event_add_notifier(C, NC_GEOM|ND_SELECT, mb); + } + } +} + + +/* ************* undo for MetaBalls ************* */ + +/* free all MetaElems from ListBase */ +static void freeMetaElemlist(ListBase *lb) +{ + MetaElem *ml, *next; + + if(lb==NULL) return; + + ml= lb->first; + while(ml){ + next= ml->next; + BLI_remlink(lb, ml); + MEM_freeN(ml); + ml= next; + } + + lb->first= lb->last= NULL; +} + + +static void undoMball_to_editMball(void *lbu, void *lbe) +{ + ListBase *lb= lbu; + ListBase *editelems= lbe; + MetaElem *ml, *newml; + + freeMetaElemlist(editelems); + + /* copy 'undo' MetaElems to 'edit' MetaElems */ + ml= lb->first; + while(ml){ + newml= MEM_dupallocN(ml); + BLI_addtail(editelems, newml); + ml= ml->next; + } + +} + +static void *editMball_to_undoMball(void *lbe) +{ + ListBase *editelems= lbe; + ListBase *lb; + MetaElem *ml, *newml; + + /* allocate memory for undo ListBase */ + lb= MEM_callocN(sizeof(ListBase), "listbase undo"); + lb->first= lb->last= NULL; + + /* copy contents of current ListBase to the undo ListBase */ + ml= editelems->first; + while(ml){ + newml= MEM_dupallocN(ml); + BLI_addtail(lb, newml); + ml= ml->next; + } + + return lb; +} + +/* free undo ListBase of MetaElems */ +static void free_undoMball(void *lbv) +{ + ListBase *lb= lbv; + + freeMetaElemlist(lb); + MEM_freeN(lb); +} + +ListBase *metaball_get_editelems(Object *ob) +{ + if(ob && ob->type==OB_MBALL) { + struct MetaBall *mb= (struct MetaBall*)ob->data; + return mb->editelems; + } + return NULL; +} + + +static void *get_data(bContext *C) +{ + Object *obedit= CTX_data_edit_object(C); + return metaball_get_editelems(obedit); +} + +/* this is undo system for MetaBalls */ +void undo_push_mball(bContext *C, char *name) +{ + undo_editmode_push(C, name, get_data, free_undoMball, undoMball_to_editMball, editMball_to_undoMball, NULL); +} + |