2006-10-25 23:57:00 +00:00
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/**
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* $Id:
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Martin Poirier
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#include <stdlib.h>
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#include <math.h>
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2006-12-18 23:48:32 +00:00
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#include <stdio.h>
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#include "PIL_time.h"
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2006-10-25 23:57:00 +00:00
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#include "DNA_object_types.h"
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2006-12-19 22:25:07 +00:00
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#include "DNA_scene_types.h"
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2007-02-28 17:16:17 +00:00
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#include "DNA_meshdata_types.h" // Temporary, for snapping to other unselected meshes
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2006-11-07 11:24:11 +00:00
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#include "DNA_space_types.h"
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2007-03-24 20:57:15 +00:00
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#include "DNA_screen_types.h"
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2006-10-25 23:57:00 +00:00
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#include "DNA_userdef_types.h"
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#include "DNA_view3d_types.h"
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#include "BLI_arithb.h"
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2006-12-18 23:48:32 +00:00
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#include "BLI_editVert.h"
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2006-10-25 23:57:00 +00:00
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#include "BDR_drawobject.h"
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2006-12-18 23:48:32 +00:00
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#include "editmesh.h"
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2006-10-25 23:57:00 +00:00
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#include "BIF_editsima.h"
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#include "BIF_gl.h"
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#include "BIF_glutil.h"
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#include "BIF_mywindow.h"
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#include "BIF_resources.h"
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2007-02-28 17:16:17 +00:00
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#include "BIF_screen.h"
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2006-10-25 23:57:00 +00:00
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#include "BKE_global.h"
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#include "BKE_utildefines.h"
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2007-03-24 20:57:15 +00:00
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#include "BKE_DerivedMesh.h"
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#include "BKE_object.h"
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2006-10-25 23:57:00 +00:00
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2007-02-28 17:16:17 +00:00
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#include "BSE_view.h"
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2007-03-24 20:57:15 +00:00
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#include "MEM_guardedalloc.h"
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2006-10-25 23:57:00 +00:00
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#include "transform.h"
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#include "mydevice.h" /* for KEY defines */
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2006-12-19 22:25:07 +00:00
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#include "blendef.h" /* for selection modes */
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2006-10-25 23:57:00 +00:00
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/********************* PROTOTYPES ***********************/
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void setSnappingCallback(TransInfo *t);
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2006-12-18 23:48:32 +00:00
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void ApplySnapTranslation(TransInfo *t, float vec[3]);
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void ApplySnapRotation(TransInfo *t, float *vec);
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void CalcSnapGrid(TransInfo *t, float *vec);
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void CalcSnapGeometry(TransInfo *t, float *vec);
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2006-10-25 23:57:00 +00:00
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2006-12-18 23:48:32 +00:00
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void TargetSnapMedian(TransInfo *t);
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void TargetSnapCenter(TransInfo *t);
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void TargetSnapClosest(TransInfo *t);
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2006-10-25 23:57:00 +00:00
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2006-12-23 00:52:34 +00:00
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float RotationBetween(TransInfo *t, float p1[3], float p2[3]);
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float TranslationBetween(TransInfo *t, float p1[3], float p2[3]);
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2007-02-28 17:16:17 +00:00
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// Trickery
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int findNearestVertFromObjects(int *dist, float *loc);
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2006-10-25 23:57:00 +00:00
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/****************** IMPLEMENTATIONS *********************/
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void drawSnapping(TransInfo *t)
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{
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2006-12-20 19:47:12 +00:00
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if ((t->tsnap.status & (SNAP_ON|POINT_INIT|TARGET_INIT)) == (SNAP_ON|POINT_INIT|TARGET_INIT) &&
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(G.qual & LR_CTRLKEY)) {
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2006-12-19 22:25:07 +00:00
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float unitmat[4][4];
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2006-12-21 20:45:57 +00:00
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float size;
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2006-12-19 22:25:07 +00:00
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char col[4];
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2007-02-25 16:22:19 +00:00
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glDisable(GL_DEPTH_TEST);
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2006-12-21 20:45:57 +00:00
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size = get_drawsize(G.vd);
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size *= 0.5f * BIF_GetThemeValuef(TH_VERTEX_SIZE);
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2006-12-19 22:25:07 +00:00
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BIF_GetThemeColor3ubv(TH_TRANSFORM, col);
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glColor4ub(col[0], col[1], col[2], 128);
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glPushMatrix();
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glTranslatef(t->tsnap.snapPoint[0], t->tsnap.snapPoint[1], t->tsnap.snapPoint[2]);
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/* sets view screen aligned */
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glRotatef( -360.0f*saacos(G.vd->viewquat[0])/(float)M_PI, G.vd->viewquat[1], G.vd->viewquat[2], G.vd->viewquat[3]);
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2007-02-25 16:22:19 +00:00
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2006-12-19 22:25:07 +00:00
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Mat4One(unitmat);
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2006-12-21 20:45:57 +00:00
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drawcircball(GL_LINE_LOOP, unitmat[3], size, unitmat);
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2007-02-25 16:22:19 +00:00
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2006-12-19 22:25:07 +00:00
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glPopMatrix();
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2007-02-25 16:22:19 +00:00
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if(G.vd->zbuf) glEnable(GL_DEPTH_TEST);
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2006-10-25 23:57:00 +00:00
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}
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}
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int handleSnapping(TransInfo *t, int event)
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{
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int status = 0;
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2006-12-20 19:47:12 +00:00
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// Put keyhandling code here
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2006-10-25 23:57:00 +00:00
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return status;
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}
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void applySnapping(TransInfo *t, float *vec)
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{
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2006-12-20 19:47:12 +00:00
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if ((t->tsnap.status & SNAP_ON) &&
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(G.qual & LR_CTRLKEY))
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2006-10-25 23:57:00 +00:00
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{
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2006-12-18 23:48:32 +00:00
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double current = PIL_check_seconds_timer();
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// Time base quirky code to go around findnearest slowness
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if (current - t->tsnap.last >= 0.25)
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{
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t->tsnap.calcSnap(t, vec);
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t->tsnap.targetSnap(t);
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t->tsnap.last = current;
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}
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if ((t->tsnap.status & (POINT_INIT|TARGET_INIT)) == (POINT_INIT|TARGET_INIT))
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{
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t->tsnap.applySnap(t, vec);
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}
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2006-10-25 23:57:00 +00:00
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}
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}
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void resetSnapping(TransInfo *t)
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{
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t->tsnap.status = 0;
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2006-12-23 00:52:34 +00:00
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t->tsnap.modePoint = 0;
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t->tsnap.modeTarget = 0;
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2006-12-18 23:48:32 +00:00
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t->tsnap.last = 0;
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2006-10-25 23:57:00 +00:00
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t->tsnap.applySnap = NULL;
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}
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void initSnapping(TransInfo *t)
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{
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2006-12-18 23:48:32 +00:00
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resetSnapping(t);
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2006-10-25 23:57:00 +00:00
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2007-01-30 15:48:09 +00:00
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if (t->spacetype == SPACE_VIEW3D) { // Only 3D view (not UV)
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setSnappingCallback(t);
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if (t->tsnap.applySnap != NULL && // A snapping function actually exist
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(G.obedit != NULL && G.obedit->type==OB_MESH) && // Temporary limited to edit mode meshes
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(G.vd->flag2 & V3D_TRANSFORM_SNAP) && // Only if the snap flag is on
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(t->flag & T_PROP_EDIT) == 0) // No PET, obviously
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{
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t->tsnap.status |= SNAP_ON;
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t->tsnap.modePoint = SNAP_GEO;
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}
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else
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{
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/* Grid if snap is not possible */
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t->tsnap.modePoint = SNAP_GRID;
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}
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2006-10-25 23:57:00 +00:00
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}
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else
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{
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2007-01-30 15:48:09 +00:00
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/* Always grid outside of 3D view */
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2006-12-23 00:52:34 +00:00
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t->tsnap.modePoint = SNAP_GRID;
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2006-10-25 23:57:00 +00:00
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}
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}
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void setSnappingCallback(TransInfo *t)
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{
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2006-12-23 00:52:34 +00:00
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t->tsnap.calcSnap = CalcSnapGeometry;
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2007-01-07 19:33:00 +00:00
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switch(G.vd->snap_target)
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2006-12-19 22:25:07 +00:00
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{
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case V3D_SNAP_TARGET_CLOSEST:
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2006-12-23 00:52:34 +00:00
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t->tsnap.modeTarget = SNAP_CLOSEST;
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2006-12-19 22:25:07 +00:00
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t->tsnap.targetSnap = TargetSnapClosest;
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break;
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case V3D_SNAP_TARGET_CENTER:
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2006-12-23 00:52:34 +00:00
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t->tsnap.modeTarget = SNAP_CENTER;
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2006-12-19 22:25:07 +00:00
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t->tsnap.targetSnap = TargetSnapCenter;
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break;
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case V3D_SNAP_TARGET_MEDIAN:
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2006-12-23 00:52:34 +00:00
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t->tsnap.modeTarget = SNAP_MEDIAN;
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2006-12-19 22:25:07 +00:00
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t->tsnap.targetSnap = TargetSnapMedian;
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break;
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}
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2006-12-23 00:52:34 +00:00
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switch (t->mode)
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{
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case TFM_TRANSLATION:
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t->tsnap.applySnap = ApplySnapTranslation;
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t->tsnap.distance = TranslationBetween;
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break;
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case TFM_ROTATION:
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t->tsnap.applySnap = ApplySnapRotation;
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t->tsnap.distance = RotationBetween;
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// Can't do TARGET_CENTER with rotation, use TARGET_MEDIAN instead
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2007-01-07 19:33:00 +00:00
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if (G.vd->snap_target == V3D_SNAP_TARGET_CENTER) {
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2006-12-23 00:52:34 +00:00
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t->tsnap.modeTarget = SNAP_MEDIAN;
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t->tsnap.targetSnap = TargetSnapMedian;
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}
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break;
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default:
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t->tsnap.applySnap = NULL;
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break;
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}
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2006-10-25 23:57:00 +00:00
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}
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2006-12-18 23:48:32 +00:00
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/********************** APPLY **************************/
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2006-10-25 23:57:00 +00:00
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2006-12-18 23:48:32 +00:00
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void ApplySnapTranslation(TransInfo *t, float vec[3])
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{
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VecSubf(vec, t->tsnap.snapPoint, t->tsnap.snapTarget);
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2006-10-25 23:57:00 +00:00
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}
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2006-12-23 00:52:34 +00:00
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void ApplySnapRotation(TransInfo *t, float *vec)
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{
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if (t->tsnap.modeTarget == SNAP_CLOSEST) {
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*vec = t->tsnap.dist;
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}
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else {
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*vec = RotationBetween(t, t->tsnap.snapTarget, t->tsnap.snapPoint);
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}
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}
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/********************** DISTANCE **************************/
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float TranslationBetween(TransInfo *t, float p1[3], float p2[3])
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2006-10-25 23:57:00 +00:00
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{
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2006-12-23 00:52:34 +00:00
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return VecLenf(p1, p2);
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}
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float RotationBetween(TransInfo *t, float p1[3], float p2[3])
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{
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float angle, start[3], end[3], center[3];
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VECCOPY(center, t->center);
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if(t->flag & (T_EDIT|T_POSE)) {
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Object *ob= G.obedit?G.obedit:t->poseobj;
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Mat4MulVecfl(ob->obmat, center);
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}
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VecSubf(start, p1, center);
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VecSubf(end, p2, center);
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// Angle around a constraint axis (error prone, will need debug)
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if (t->con.applyRot != NULL && (t->con.mode & CON_APPLY)) {
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float axis[3], tmp[3];
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t->con.applyRot(t, NULL, axis);
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Projf(tmp, end, axis);
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VecSubf(end, end, tmp);
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Projf(tmp, start, axis);
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VecSubf(start, start, tmp);
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2007-04-04 13:18:41 +00:00
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Normalize(end);
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Normalize(start);
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2006-12-23 00:52:34 +00:00
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Crossf(tmp, start, end);
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if (Inpf(tmp, axis) < 0.0)
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angle = -acos(Inpf(start, end));
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else
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angle = acos(Inpf(start, end));
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}
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else {
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float mtx[3][3];
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2006-12-23 01:55:13 +00:00
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Mat3CpyMat4(mtx, t->viewmat);
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2006-12-23 00:52:34 +00:00
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Mat3MulVecfl(mtx, end);
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Mat3MulVecfl(mtx, start);
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2006-12-23 01:55:13 +00:00
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angle = atan2(start[1],start[0]) - atan2(end[1],end[0]);
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2006-12-23 00:52:34 +00:00
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}
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if (angle > M_PI) {
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2006-12-23 01:55:13 +00:00
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angle = angle - 2 * M_PI;
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2006-12-23 00:52:34 +00:00
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}
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else if (angle < -(M_PI)) {
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angle = 2 * M_PI + angle;
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}
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return angle;
|
2006-12-18 23:48:32 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/********************** CALC **************************/
|
|
|
|
|
|
|
|
void CalcSnapGrid(TransInfo *t, float *vec)
|
|
|
|
{
|
|
|
|
snapGridAction(t, t->tsnap.snapPoint, BIG_GEARS);
|
2006-10-25 23:57:00 +00:00
|
|
|
}
|
|
|
|
|
2006-12-18 23:48:32 +00:00
|
|
|
void CalcSnapGeometry(TransInfo *t, float *vec)
|
|
|
|
{
|
|
|
|
if (G.obedit != NULL && G.obedit->type==OB_MESH)
|
|
|
|
{
|
2006-12-19 22:25:07 +00:00
|
|
|
/*if (G.scene->selectmode & B_SEL_VERT)*/
|
2006-12-18 23:48:32 +00:00
|
|
|
{
|
2006-12-19 22:25:07 +00:00
|
|
|
EditVert *nearest=NULL;
|
2007-02-28 17:16:17 +00:00
|
|
|
float vec[3];
|
|
|
|
int found = 0;
|
2006-12-28 22:42:58 +00:00
|
|
|
int dist = 40; // Use a user defined value here
|
2006-12-18 23:48:32 +00:00
|
|
|
|
2006-12-19 22:25:07 +00:00
|
|
|
// use findnearestverts in vert mode, others in other modes
|
2006-12-28 22:42:58 +00:00
|
|
|
nearest = findnearestvert(&dist, SELECT, 1);
|
2006-12-18 23:48:32 +00:00
|
|
|
|
2007-02-28 17:16:17 +00:00
|
|
|
found = findNearestVertFromObjects(&dist, vec);
|
|
|
|
if (found == 1)
|
2006-12-19 22:25:07 +00:00
|
|
|
{
|
2007-02-28 17:16:17 +00:00
|
|
|
VECCOPY(t->tsnap.snapPoint, vec);
|
2006-12-19 22:25:07 +00:00
|
|
|
|
2007-02-28 17:16:17 +00:00
|
|
|
t->tsnap.status |= POINT_INIT;
|
|
|
|
}
|
|
|
|
/* If there's no outside vertex nearer, but there's one in this mesh
|
|
|
|
*/
|
|
|
|
else if (nearest != NULL)
|
|
|
|
{
|
|
|
|
VECCOPY(t->tsnap.snapPoint, nearest->co);
|
2006-12-19 22:25:07 +00:00
|
|
|
Mat4MulVecfl(G.obedit->obmat, t->tsnap.snapPoint);
|
|
|
|
|
|
|
|
t->tsnap.status |= POINT_INIT;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
t->tsnap.status &= ~POINT_INIT;
|
|
|
|
}
|
2006-12-18 23:48:32 +00:00
|
|
|
}
|
2006-12-19 22:25:07 +00:00
|
|
|
/*
|
|
|
|
if (G.scene->selectmode & B_SEL_EDGE)
|
2006-12-18 23:48:32 +00:00
|
|
|
{
|
2006-12-19 22:25:07 +00:00
|
|
|
EditEdge *nearest=NULL;
|
|
|
|
int dist = 50; // Use a user defined value here
|
|
|
|
|
|
|
|
// use findnearestverts in vert mode, others in other modes
|
|
|
|
nearest = findnearestedge(&dist);
|
|
|
|
|
|
|
|
if (nearest != NULL)
|
|
|
|
{
|
|
|
|
VecAddf(t->tsnap.snapPoint, nearest->v1->co, nearest->v2->co);
|
|
|
|
|
|
|
|
VecMulf(t->tsnap.snapPoint, 0.5f);
|
|
|
|
|
|
|
|
Mat4MulVecfl(G.obedit->obmat, t->tsnap.snapPoint);
|
|
|
|
|
|
|
|
t->tsnap.status |= POINT_INIT;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
t->tsnap.status &= ~POINT_INIT;
|
|
|
|
}
|
2006-12-18 23:48:32 +00:00
|
|
|
}
|
2006-12-19 22:25:07 +00:00
|
|
|
*/
|
2006-12-18 23:48:32 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/********************** TARGET **************************/
|
|
|
|
|
|
|
|
void TargetSnapCenter(TransInfo *t)
|
2006-10-25 23:57:00 +00:00
|
|
|
{
|
2006-12-19 22:25:07 +00:00
|
|
|
// Only need to calculate once
|
|
|
|
if ((t->tsnap.status & TARGET_INIT) == 0)
|
|
|
|
{
|
|
|
|
VECCOPY(t->tsnap.snapTarget, t->center);
|
|
|
|
if(t->flag & (T_EDIT|T_POSE)) {
|
|
|
|
Object *ob= G.obedit?G.obedit:t->poseobj;
|
|
|
|
Mat4MulVecfl(ob->obmat, t->tsnap.snapTarget);
|
|
|
|
}
|
|
|
|
|
|
|
|
t->tsnap.status |= TARGET_INIT;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void TargetSnapMedian(TransInfo *t)
|
|
|
|
{
|
|
|
|
// Only need to calculate once
|
|
|
|
if ((t->tsnap.status & TARGET_INIT) == 0)
|
|
|
|
{
|
|
|
|
TransData *td = NULL;
|
|
|
|
|
|
|
|
t->tsnap.snapTarget[0] = 0;
|
|
|
|
t->tsnap.snapTarget[1] = 0;
|
|
|
|
t->tsnap.snapTarget[2] = 0;
|
|
|
|
|
|
|
|
for (td = t->data; td != NULL && td->flag & TD_SELECTED ; td++)
|
|
|
|
{
|
|
|
|
VecAddf(t->tsnap.snapTarget, t->tsnap.snapTarget, td->iloc);
|
|
|
|
}
|
|
|
|
|
|
|
|
VecMulf(t->tsnap.snapTarget, 1.0 / t->total);
|
|
|
|
|
|
|
|
if(t->flag & (T_EDIT|T_POSE)) {
|
|
|
|
Object *ob= G.obedit?G.obedit:t->poseobj;
|
|
|
|
Mat4MulVecfl(ob->obmat, t->tsnap.snapTarget);
|
|
|
|
}
|
|
|
|
|
|
|
|
t->tsnap.status |= TARGET_INIT;
|
2006-12-18 23:48:32 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void TargetSnapClosest(TransInfo *t)
|
|
|
|
{
|
2006-12-19 22:25:07 +00:00
|
|
|
// Only valid if a snap point has been selected
|
2006-12-18 23:48:32 +00:00
|
|
|
if (t->tsnap.status & POINT_INIT)
|
|
|
|
{
|
|
|
|
TransData *closest = NULL, *td = NULL;
|
|
|
|
|
|
|
|
// Base case, only one selected item
|
|
|
|
if (t->total == 1)
|
|
|
|
{
|
2006-12-28 22:42:58 +00:00
|
|
|
VECCOPY(t->tsnap.snapTarget, t->data[0].iloc);
|
|
|
|
|
|
|
|
if(t->flag & (T_EDIT|T_POSE)) {
|
|
|
|
Object *ob= G.obedit?G.obedit:t->poseobj;
|
|
|
|
Mat4MulVecfl(ob->obmat, t->tsnap.snapTarget);
|
|
|
|
}
|
2007-01-30 16:07:54 +00:00
|
|
|
|
|
|
|
t->tsnap.dist = t->tsnap.distance(t, t->tsnap.snapTarget, t->tsnap.snapPoint);
|
2006-12-18 23:48:32 +00:00
|
|
|
}
|
|
|
|
// More than one selected item
|
|
|
|
else
|
|
|
|
{
|
|
|
|
for (td = t->data; td != NULL && td->flag & TD_SELECTED ; td++)
|
|
|
|
{
|
2006-12-23 00:52:34 +00:00
|
|
|
float loc[3];
|
2006-12-18 23:48:32 +00:00
|
|
|
float dist;
|
|
|
|
|
2006-12-23 00:52:34 +00:00
|
|
|
VECCOPY(loc, td->iloc);
|
2006-12-28 22:42:58 +00:00
|
|
|
|
|
|
|
if(t->flag & (T_EDIT|T_POSE)) {
|
|
|
|
Object *ob= G.obedit?G.obedit:t->poseobj;
|
|
|
|
Mat4MulVecfl(ob->obmat, loc);
|
|
|
|
}
|
2006-12-23 00:52:34 +00:00
|
|
|
|
2006-12-23 01:55:13 +00:00
|
|
|
dist = t->tsnap.distance(t, loc, t->tsnap.snapPoint);
|
2006-12-18 23:48:32 +00:00
|
|
|
|
2006-12-23 00:52:34 +00:00
|
|
|
if (closest == NULL || fabs(dist) < fabs(t->tsnap.dist))
|
2006-12-18 23:48:32 +00:00
|
|
|
{
|
2006-12-23 00:52:34 +00:00
|
|
|
VECCOPY(t->tsnap.snapTarget, loc);
|
2006-12-18 23:48:32 +00:00
|
|
|
closest = td;
|
2006-12-23 00:52:34 +00:00
|
|
|
t->tsnap.dist = dist;
|
2006-12-18 23:48:32 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
t->tsnap.status |= TARGET_INIT;
|
|
|
|
}
|
2006-10-25 23:57:00 +00:00
|
|
|
}
|
2007-02-28 17:16:17 +00:00
|
|
|
/*================================================================*/
|
|
|
|
|
|
|
|
int findNearestVertFromObjects(int *dist, float *loc) {
|
|
|
|
Base *base;
|
|
|
|
int retval = 0;
|
|
|
|
short mval[2];
|
|
|
|
|
|
|
|
getmouseco_areawin(mval);
|
2007-03-24 20:57:15 +00:00
|
|
|
|
2007-02-28 17:16:17 +00:00
|
|
|
base= FIRSTBASE;
|
|
|
|
for ( base = FIRSTBASE; base != NULL; base = base->next ) {
|
|
|
|
if ( TESTBASE(base) && base != BASACT ) {
|
|
|
|
Object *ob = base->object;
|
|
|
|
|
|
|
|
if (ob->type == OB_MESH) {
|
|
|
|
Mesh *me = ob->data;
|
|
|
|
|
2007-03-24 20:57:15 +00:00
|
|
|
if (me->totvert > 0) {
|
|
|
|
int test = 1;
|
|
|
|
int i;
|
2007-02-28 17:16:17 +00:00
|
|
|
|
2007-03-24 20:57:15 +00:00
|
|
|
/* If number of vert is more than an arbitrary limit,
|
|
|
|
* test against boundbox first
|
|
|
|
* */
|
|
|
|
if (me->totvert > 16) {
|
|
|
|
struct BoundBox *bb = object_get_boundbox(ob);
|
|
|
|
|
|
|
|
int minx = 0, miny = 0, maxx = 0, maxy = 0;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
|
|
float gloc[3];
|
|
|
|
int sloc[2];
|
|
|
|
|
|
|
|
VECCOPY(gloc, bb->vec[i]);
|
|
|
|
Mat4MulVecfl(ob->obmat, gloc);
|
|
|
|
project_int(gloc, sloc);
|
|
|
|
|
|
|
|
if (i == 0) {
|
|
|
|
minx = maxx = sloc[0];
|
|
|
|
miny = maxy = sloc[1];
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
if (minx > sloc[0]) minx = sloc[0];
|
|
|
|
else if (maxx < sloc[0]) maxx = sloc[0];
|
|
|
|
|
|
|
|
if (miny > sloc[1]) miny = sloc[1];
|
|
|
|
else if (maxy < sloc[1]) maxy = sloc[1];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Pad with distance */
|
|
|
|
|
|
|
|
minx -= *dist;
|
|
|
|
miny -= *dist;
|
|
|
|
maxx += *dist;
|
|
|
|
maxy += *dist;
|
|
|
|
|
|
|
|
if (mval[0] > maxx || mval[0] < minx ||
|
|
|
|
mval[1] > maxy || mval[1] < miny) {
|
|
|
|
|
|
|
|
test = 0;
|
|
|
|
}
|
|
|
|
}
|
2007-02-28 17:16:17 +00:00
|
|
|
|
2007-03-24 20:57:15 +00:00
|
|
|
if (test == 1) {
|
|
|
|
float *verts = mesh_get_mapped_verts_nors(ob);
|
|
|
|
|
|
|
|
if (verts != NULL) {
|
|
|
|
float *fp;
|
|
|
|
|
|
|
|
fp = verts;
|
|
|
|
for( i = 0; i < me->totvert; i++, fp += 6) {
|
|
|
|
float gloc[3];
|
|
|
|
int sloc[2];
|
|
|
|
int curdist;
|
|
|
|
|
|
|
|
VECCOPY(gloc, fp);
|
|
|
|
Mat4MulVecfl(ob->obmat, gloc);
|
|
|
|
project_int(gloc, sloc);
|
|
|
|
|
|
|
|
sloc[0] -= mval[0];
|
|
|
|
sloc[1] -= mval[1];
|
|
|
|
|
|
|
|
curdist = abs(sloc[0]) + abs(sloc[1]);
|
|
|
|
|
|
|
|
if (curdist < *dist) {
|
|
|
|
*dist = curdist;
|
|
|
|
retval = 1;
|
|
|
|
VECCOPY(loc, gloc);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
MEM_freeN(verts);
|
2007-02-28 17:16:17 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return retval;
|
|
|
|
}
|
2006-10-25 23:57:00 +00:00
|
|
|
|
|
|
|
/*================================================================*/
|
|
|
|
|
|
|
|
static void applyGrid(TransInfo *t, float *val, int max_index, float fac[3], GearsType action);
|
|
|
|
|
|
|
|
|
|
|
|
void snapGridAction(TransInfo *t, float *val, GearsType action) {
|
|
|
|
float fac[3];
|
|
|
|
|
|
|
|
fac[NO_GEARS] = t->snap[0];
|
|
|
|
fac[BIG_GEARS] = t->snap[1];
|
|
|
|
fac[SMALL_GEARS] = t->snap[2];
|
|
|
|
|
|
|
|
applyGrid(t, val, t->idx_max, fac, action);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void snapGrid(TransInfo *t, float *val) {
|
|
|
|
int invert;
|
|
|
|
GearsType action;
|
2007-01-30 15:48:09 +00:00
|
|
|
|
2006-12-20 19:47:12 +00:00
|
|
|
// Only do something if using Snap to Grid
|
2006-12-23 00:52:34 +00:00
|
|
|
if (t->tsnap.modePoint != SNAP_GRID)
|
2006-12-20 19:47:12 +00:00
|
|
|
return;
|
2006-10-25 23:57:00 +00:00
|
|
|
|
2006-12-03 19:54:27 +00:00
|
|
|
if(t->mode==TFM_ROTATION || t->mode==TFM_WARP || t->mode==TFM_TILT || t->mode==TFM_TRACKBALL || t->mode==TFM_BONE_ROLL)
|
2006-10-25 23:57:00 +00:00
|
|
|
invert = U.flag & USER_AUTOROTGRID;
|
|
|
|
else if(t->mode==TFM_RESIZE || t->mode==TFM_SHEAR || t->mode==TFM_BONESIZE || t->mode==TFM_SHRINKFATTEN || t->mode==TFM_CURVE_SHRINKFATTEN)
|
|
|
|
invert = U.flag & USER_AUTOSIZEGRID;
|
|
|
|
else
|
|
|
|
invert = U.flag & USER_AUTOGRABGRID;
|
|
|
|
|
|
|
|
if(invert) {
|
|
|
|
action = (G.qual & LR_CTRLKEY) ? NO_GEARS: BIG_GEARS;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
action = (G.qual & LR_CTRLKEY) ? BIG_GEARS : NO_GEARS;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (action == BIG_GEARS && (G.qual & LR_SHIFTKEY)) {
|
|
|
|
action = SMALL_GEARS;
|
|
|
|
}
|
|
|
|
|
|
|
|
snapGridAction(t, val, action);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void applyGrid(TransInfo *t, float *val, int max_index, float fac[3], GearsType action)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
float asp[3] = {1.0f, 1.0f, 1.0f}; // TODO: Remove hard coded limit here (3)
|
|
|
|
|
|
|
|
// Early bailing out if no need to snap
|
|
|
|
if (fac[action] == 0.0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* evil hack - snapping needs to be adapted for image aspect ratio */
|
|
|
|
if((t->spacetype==SPACE_IMAGE) && (t->mode==TFM_TRANSLATION)) {
|
|
|
|
transform_aspect_ratio_tface_uv(asp, asp+1);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i=0; i<=max_index; i++) {
|
|
|
|
val[i]= fac[action]*asp[i]*(float)floor(val[i]/(fac[action]*asp[i]) +.5);
|
|
|
|
}
|
|
|
|
}
|