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editlattice.c

/**
 * $Id: editlattice.c,v 1.9 2004/11/07 21:14:21 ton Exp $
 *
 * ***** BEGIN GPL/BL DUAL 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. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * 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/BL DUAL LICENSE BLOCK *****
 * i.t.t. wat de naam doet vermoeden: ook algemene lattice (calc) functies
 */

#include <stdlib.h>
#include <string.h>
#include <math.h>

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifdef WIN32
#include "BLI_winstuff.h"
#endif
#include "MEM_guardedalloc.h"

#include "BLI_blenlib.h"
#include "BLI_arithb.h"

#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_lattice_types.h"
#include "DNA_curve_types.h"
#include "DNA_key_types.h"
#include "DNA_view3d_types.h"

#include "BKE_key.h"
#include "BKE_displist.h"
#include "BKE_lattice.h"
#include "BKE_global.h"

#include "BIF_space.h"
#include "BIF_screen.h"
#include "BIF_editlattice.h"
#include "BIF_editmode_undo.h"
#include "BIF_editkey.h"
#include "BIF_toolbox.h"

#include "BSE_edit.h"

#include "BDR_editobject.h"
#include "BDR_drawobject.h"

#include "blendef.h"
#include "mydevice.h"

#include "render.h"

#include "BKE_armature.h"

/* ***************************** */

void free_editLatt(void)
{
      if(editLatt) {
            if(editLatt->def) MEM_freeN(editLatt->def);
            MEM_freeN(editLatt);
            editLatt= 0;
      }
}


static void setflagsLatt(int flag)
{
      BPoint *bp;
      int a;
      
      bp= editLatt->def;
      
      a= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw;
      
      while(a--) {
            if(bp->hide==0) {
                  bp->f1= flag;
            }
            bp++;
      }
}



void make_editLatt(void)
{
      Lattice *lt;
      KeyBlock *actkey=0;
      
      free_editLatt();
      
      lt= G.obedit->data;

      /* keys? */
      if(lt->key) {
            actkey= lt->key->block.first;
            while(actkey) {
                  if(actkey->flag & SELECT) break;
                  actkey= actkey->next;
            }
      }

      if(actkey) {
            key_to_latt(actkey, lt);
      }

      editLatt= MEM_dupallocN(lt);
      editLatt->def= MEM_dupallocN(lt->def);
      
      setflagsLatt(0);
      BIF_undo_push("original");
}


void load_editLatt(void)
{
      Lattice *lt;
      KeyBlock *actkey=0;
      BPoint *bp;
      float *fp;
      int tot;
      
      lt= G.obedit->data;
      
      /* are there keys? */
      if(lt->key) {
            actkey= lt->key->block.first;
            while(actkey) {
                  if(actkey->flag & SELECT) break;
                  actkey= actkey->next;
            }
      }

      if(actkey) {
            /* active key: vertices */
            tot= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw;
            
            if(actkey->data) MEM_freeN(actkey->data);
            
            fp=actkey->data= MEM_callocN(lt->key->elemsize*tot, "actkey->data");
            actkey->totelem= tot;
      
            bp= editLatt->def;
            while(tot--) {
                  VECCOPY(fp, bp->vec);
                  fp+= 3;
                  bp++;
            }
            
            if(actkey) do_spec_key(lt->key);
      }
      else {

            MEM_freeN(lt->def);
      
            lt->def= MEM_dupallocN(editLatt->def);

            lt->flag= editLatt->flag;

            lt->pntsu= editLatt->pntsu;
            lt->pntsv= editLatt->pntsv;
            lt->pntsw= editLatt->pntsw;
            
            lt->typeu= editLatt->typeu;
            lt->typev= editLatt->typev;
            lt->typew= editLatt->typew;
      }
}

void remake_editLatt(void)
{
      if(okee("Reload original data")==0) return;
      
      make_editLatt();
      allqueue(REDRAWVIEW3D, 0);
      allqueue(REDRAWBUTSEDIT, 0);

      BIF_undo_push("Reload original");
}


void deselectall_Latt(void)
{
      BPoint *bp;
      int a;
      
      bp= editLatt->def;
      
      a= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw;
      
      allqueue(REDRAWVIEW3D, 0);
      
      while(a--) {
            if(bp->hide==0) {
                  if(bp->f1) {
                        setflagsLatt(0);
                        BIF_undo_push("(De)select all");
                        return;
                  }
            }
            bp++;
      }
      setflagsLatt(1);

      BIF_undo_push("(De)select all");
}


static BPoint *findnearestLattvert(int sel)
{
      /* sel==1: selected get a disadvantage */
      /* in bp nearest is written */
      BPoint *bp1, *bp;
      short dist= 100, temp, mval[2], a;

      bp= 0;

      /* do projection */
      calc_lattverts_ext();   /* drawobject.c */
      
      getmouseco_areawin(mval);

                  
      bp1= editLatt->def;
      
      a= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw;
      
      while(a--) {
            if(bp1->hide==0) {
                  temp= abs(mval[0]- bp1->s[0])+ abs(mval[1]- bp1->s[1]);
                  if( (bp1->f1 & 1)==sel) temp+=5;
                  if(temp<dist) { 
                        bp= bp1; 
                        dist= temp; 
                  }
            }
            bp1++;
      }

      return bp;
}


void mouse_lattice(void)
{
      BPoint *bp=0;

      bp= findnearestLattvert(1);

      if(bp) {
            if((G.qual & LR_SHIFTKEY)==0) {
            
                  setflagsLatt(0);
                  bp->f1 |= 1;

                  allqueue(REDRAWVIEW3D, 0);
            }
            else {
                  
                  if(bp->f1 & 1) bp->f1 &= ~1;
                  else bp->f1 |= 1;

                  allqueue(REDRAWVIEW3D, 0);

            }

            countall();
            BIF_undo_push("Select");
      }

      rightmouse_transform();
      
}


/* **************** undo for lattice object ************** */

static void undoLatt_to_editLatt(void *defv)
{
      Base *base;
      int a= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw;

      memcpy(editLatt->def, defv, a*sizeof(BPoint));
      
      base= FIRSTBASE;
      while(base) {
            if(base->lay & G.vd->lay) {
                  if(base->object->parent==G.obedit) {
                        makeDispList(base->object);
                  }
            }
            base= base->next;
      }
      allqueue(REDRAWVIEW3D, 0);
}

static void *editLatt_to_undoLatt(void)
{
      
      return MEM_dupallocN(editLatt->def);
}

static void free_undoLatt(void *defv)
{
      MEM_freeN(defv);
}

/* and this is all the undo system needs to know */
void undo_push_lattice(char *name)
{
      undo_editmode_push(name, free_undoLatt, undoLatt_to_editLatt, editLatt_to_undoLatt);
}



/***/

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