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Diffstat (limited to 'source/blender/src/transform_manipulator.c')
| -rw-r--r-- | source/blender/src/transform_manipulator.c | 1720 |
1 files changed, 0 insertions, 1720 deletions
diff --git a/source/blender/src/transform_manipulator.c b/source/blender/src/transform_manipulator.c deleted file mode 100644 index 7a6d4c69442..00000000000 --- a/source/blender/src/transform_manipulator.c +++ /dev/null @@ -1,1720 +0,0 @@ -/** -* $Id: - * - * ***** 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) 2005 Blender Foundation - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL/BL DUAL LICENSE BLOCK ***** - */ - -#include <stdlib.h> -#include <string.h> -#include <math.h> - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#ifndef WIN32 -#include <unistd.h> -#else -#include <io.h> -#endif - -#include "MEM_guardedalloc.h" - -#include "DNA_armature_types.h" -#include "DNA_action_types.h" -#include "DNA_curve_types.h" -#include "DNA_lattice_types.h" -#include "DNA_mesh_types.h" -#include "DNA_meta_types.h" -#include "DNA_object_types.h" -#include "DNA_particle_types.h" -#include "DNA_screen_types.h" -#include "DNA_scene_types.h" -#include "DNA_space_types.h" -#include "DNA_userdef_types.h" -#include "DNA_view3d_types.h" - -#include "BKE_armature.h" -#include "BKE_global.h" -#include "BKE_lattice.h" -#include "BKE_object.h" -#include "BKE_particle.h" -#include "BKE_utildefines.h" - -#include "BLI_arithb.h" -#include "BLI_editVert.h" - -#include "BIF_editarmature.h" -#include "BIF_gl.h" -#include "BIF_mywindow.h" -#include "BIF_resources.h" -#include "BIF_screen.h" -#include "BIF_space.h" -#include "BIF_transform.h" -#include "BIF_editmesh.h" -#include "BIF_editparticle.h" - -#include "BSE_edit.h" -#include "BSE_view.h" -#include "BDR_drawobject.h" - -#include "blendef.h" -#include "transform.h" - -/* return codes for select, and drawing flags */ - -#define MAN_TRANS_X 1 -#define MAN_TRANS_Y 2 -#define MAN_TRANS_Z 4 -#define MAN_TRANS_C 7 - -#define MAN_ROT_X 8 -#define MAN_ROT_Y 16 -#define MAN_ROT_Z 32 -#define MAN_ROT_V 64 -#define MAN_ROT_T 128 -#define MAN_ROT_C 248 - -#define MAN_SCALE_X 256 -#define MAN_SCALE_Y 512 -#define MAN_SCALE_Z 1024 -#define MAN_SCALE_C 1792 - -/* color codes */ - -#define MAN_RGB 0 -#define MAN_GHOST 1 -#define MAN_MOVECOL 2 - -/* GLOBAL VARIABLE THAT SHOULD MOVED TO SCREEN MEMBER OR SOMETHING */ -extern TransInfo Trans; - - -static int is_mat4_flipped(float mat[][4]) -{ - float vec[3]; - - Crossf(vec, mat[0], mat[1]); - if( Inpf(vec, mat[2]) < 0.0 ) return 1; - return 0; -} - -/* transform widget center calc helper for below */ -static void calc_tw_center(float *co) -{ - float *twcent= G.scene->twcent; - float *min= G.scene->twmin; - float *max= G.scene->twmax; - - DO_MINMAX(co, min, max); - VecAddf(twcent, twcent, co); -} - -static void protectflag_to_drawflags(short protectflag, short *drawflags) -{ - if(protectflag & OB_LOCK_LOCX) - *drawflags &= ~MAN_TRANS_X; - if(protectflag & OB_LOCK_LOCY) - *drawflags &= ~MAN_TRANS_Y; - if(protectflag & OB_LOCK_LOCZ) - *drawflags &= ~MAN_TRANS_Z; - - if(protectflag & OB_LOCK_ROTX) - *drawflags &= ~MAN_ROT_X; - if(protectflag & OB_LOCK_ROTY) - *drawflags &= ~MAN_ROT_Y; - if(protectflag & OB_LOCK_ROTZ) - *drawflags &= ~MAN_ROT_Z; - - if(protectflag & OB_LOCK_SCALEX) - *drawflags &= ~MAN_SCALE_X; - if(protectflag & OB_LOCK_SCALEY) - *drawflags &= ~MAN_SCALE_Y; - if(protectflag & OB_LOCK_SCALEZ) - *drawflags &= ~MAN_SCALE_Z; -} - -/* for pose mode */ -static void stats_pose(View3D *v3d, bPoseChannel *pchan, float *normal, float *plane) -{ - Bone *bone= pchan->bone; - - if(bone) { - if (bone->flag & BONE_TRANSFORM) { - calc_tw_center(pchan->pose_head); - protectflag_to_drawflags(pchan->protectflag, &v3d->twdrawflag); - - VecAddf(normal, normal, pchan->pose_mat[2]); - VecAddf(plane, plane, pchan->pose_mat[1]); - } - } -} - -/* only counts the parent selection, and tags transform flag */ -/* bad call... should re-use method from transform_conversion once */ -static void count_bone_select(TransInfo *t, bArmature *arm, ListBase *lb, int do_it) -{ - Bone *bone; - int do_next; - - for(bone= lb->first; bone; bone= bone->next) { - bone->flag &= ~BONE_TRANSFORM; - do_next= do_it; - if(do_it) { - if(bone->layer & arm->layer) { - if (bone->flag & BONE_SELECTED) { - /* We don't let connected children get "grabbed" */ - if ( (t->mode!=TFM_TRANSLATION) || (bone->flag & BONE_CONNECTED)==0 ) { - bone->flag |= BONE_TRANSFORM; - t->total++; - do_next= 0; // no transform on children if one parent bone is selected - } - } - } - } - count_bone_select(t, arm, &bone->childbase, do_next); - } -} - -/* centroid, boundbox, of selection */ -/* returns total items selected */ -int calc_manipulator_stats(ScrArea *sa) -{ - extern ListBase editNurb; - TransInfo *t; - View3D *v3d= sa->spacedata.first; - Base *base; - Object *ob= OBACT; - float normal[3]={0.0, 0.0, 0.0}; - float plane[3]={0.0, 0.0, 0.0}; - int a, totsel=0; - - t = BIF_GetTransInfo(); - - /* transform widget matrix */ - Mat4One(v3d->twmat); - - v3d->twdrawflag= 0xFFFF; - - /* transform widget centroid/center */ - G.scene->twcent[0]= G.scene->twcent[1]= G.scene->twcent[2]= 0.0f; - INIT_MINMAX(G.scene->twmin, G.scene->twmax); - - if(G.obedit) { - ob= G.obedit; - if((ob->lay & G.vd->lay)==0) return 0; - - if(G.obedit->type==OB_MESH) { - EditMesh *em = G.editMesh; - EditVert *eve; - float vec[3]= {0,0,0}; - int no_faces= 1; - - /* USE LAST SELECTE WITH ACTIVE */ - if (G.vd->around==V3D_ACTIVE && em->selected.last) { - EM_editselection_center(vec, em->selected.last); - calc_tw_center(vec); - totsel= 1; - if (v3d->twmode == V3D_MANIP_NORMAL) { - EM_editselection_normal(normal, em->selected.last); - EM_editselection_plane(plane, em->selected.last); - } /* NORMAL OPERATION */ - } else { - if(v3d->twmode == V3D_MANIP_NORMAL) { - EditFace *efa; - - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->f & SELECT) { - no_faces= 0; - VECADD(normal, normal, efa->n); - VecSubf(vec, efa->v2->co, efa->v1->co); - VECADD(plane, plane, vec); - } - } - } - - /* do vertices for center, and if still no normal found, use vertex normals */ - for(eve= em->verts.first; eve; eve= eve->next) { - if(eve->f & SELECT) { - if(no_faces) VECADD(normal, normal, eve->no); - - totsel++; - calc_tw_center(eve->co); - } - } - /* the edge case... */ - if(no_faces && v3d->twmode == V3D_MANIP_NORMAL) { - EditEdge *eed; - - for(eed= em->edges.first; eed; eed= eed->next) { - if(eed->f & SELECT) { - /* ok we got an edge, only use one, and as normal */ - VECCOPY(plane, normal); - VecSubf(normal, eed->v2->co, eed->v1->co); - break; - } - } - } - } - } /* end editmesh */ - else if (G.obedit->type==OB_ARMATURE){ - bArmature *arm= G.obedit->data; - EditBone *ebo; - for (ebo=G.edbo.first;ebo;ebo=ebo->next){ - if(ebo->layer & arm->layer) { - if (ebo->flag & BONE_TIPSEL) { - calc_tw_center(ebo->tail); - totsel++; - } - if (ebo->flag & BONE_ROOTSEL) { - calc_tw_center(ebo->head); - totsel++; - } - } - } - } - else if ELEM3(G.obedit->type, OB_CURVE, OB_SURF, OB_FONT) { - Nurb *nu; - BezTriple *bezt; - BPoint *bp; - - nu= editNurb.first; - while(nu) { - if((nu->type & 7)==CU_BEZIER) { - bezt= nu->bezt; - a= nu->pntsu; - while(a--) { - /* exception */ - if( (bezt->f1 & SELECT) + (bezt->f2 & SELECT) + (bezt->f3 & SELECT) > SELECT ) { - calc_tw_center(bezt->vec[1]); - totsel++; - VecSubf(normal, bezt->vec[0], bezt->vec[2]); - } - else { - if(bezt->f1) { - calc_tw_center(bezt->vec[0]); - VecSubf(normal, bezt->vec[0], bezt->vec[1]); - totsel++; - } - if(bezt->f2) { - calc_tw_center(bezt->vec[1]); - VecSubf(normal, bezt->vec[0], bezt->vec[2]); - totsel++; - } - if(bezt->f3) { - calc_tw_center(bezt->vec[2]); - VecSubf(normal, bezt->vec[1], bezt->vec[2]); - totsel++; - } - } - bezt++; - } - } - else { - bp= nu->bp; - a= nu->pntsu*nu->pntsv; - while(a--) { - if(bp->f1 & SELECT) { - calc_tw_center(bp->vec); - totsel++; - } - bp++; - } - } - nu= nu->next; - } - } - else if(G.obedit->type==OB_MBALL) { - /* editmball.c */ - extern ListBase editelems; /* go away ! */ - MetaElem *ml, *ml_sel=NULL; - - ml= editelems.first; - while(ml) { - if(ml->flag & SELECT) { - calc_tw_center(&ml->x); - ml_sel = ml; - totsel++; - } - ml= ml->next; - } - /* normal manipulator */ - if(totsel==1){ - float mat1[4][4]; - - /* Rotation of MetaElem is stored in quat */ - QuatToMat4(ml_sel->quat, mat1); - - /* Translation of MetaElem */ - mat1[3][0]= ml_sel->x; - mat1[3][1]= ml_sel->y; - mat1[3][2]= ml_sel->z; - - VECCOPY(normal, mat1[2]); - VECCOPY(plane, mat1[1]); - - VecMulf(plane, -1.0); - } - } - else if(G.obedit->type==OB_LATTICE) { - BPoint *bp; - bp= editLatt->def; - - a= editLatt->pntsu*editLatt->pntsv*editLatt->pntsw; - while(a--) { - if(bp->f1 & SELECT) { - calc_tw_center(bp->vec); - totsel++; - } - bp++; - } - } - - /* selection center */ - if(totsel) { - VecMulf(G.scene->twcent, 1.0f/(float)totsel); // centroid! - Mat4MulVecfl(G.obedit->obmat, G.scene->twcent); - Mat4MulVecfl(G.obedit->obmat, G.scene->twmin); - Mat4MulVecfl(G.obedit->obmat, G.scene->twmax); - } - } - else if(ob && (ob->flag & OB_POSEMODE)) { - bArmature *arm= ob->data; - bPoseChannel *pchan; - int mode; - - if((ob->lay & G.vd->lay)==0) return 0; - - mode= Trans.mode; - Trans.mode= TFM_ROTATION; // mislead counting bones... bah - - /* count total, we use same method as transform will do */ - Trans.total= 0; - count_bone_select(&Trans, arm, &arm->bonebase, 1); - totsel= Trans.total; - if(totsel) { - /* use channels to get stats */ - for(pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) { - stats_pose(v3d, pchan, normal, plane); - } - //VecMulf(normal, -1.0); - VecMulf(plane, -1.0); - - VecMulf(G.scene->twcent, 1.0f/(float)totsel); // centroid! - Mat4MulVecfl(ob->obmat, G.scene->twcent); - Mat4MulVecfl(ob->obmat, G.scene->twmin); - Mat4MulVecfl(ob->obmat, G.scene->twmax); - } - /* restore, mode can be TFM_INIT */ - Trans.mode= mode; - } - else if(G.f & (G_VERTEXPAINT + G_TEXTUREPAINT + G_WEIGHTPAINT + G_SCULPTMODE)) { - ; - } - else if(G.f & G_PARTICLEEDIT) { - ParticleSystem *psys=PE_get_current(OBACT); - ParticleData *pa = psys->particles; - ParticleEditKey *ek; - int k; - - if(psys->edit){ - for(a=0; a<psys->totpart; a++,pa++){ - if(pa->flag & PARS_HIDE) continue; - for(k=0, ek=psys->edit->keys[a]; k<pa->totkey; k++,ek++){ - if(ek->flag & PEK_SELECT){ - calc_tw_center(ek->world_co); - totsel++; - } - } - } - /* selection center */ - if(totsel) - VecMulf(G.scene->twcent, 1.0f/(float)totsel); // centroid! - } - } - else { - - /* we need the one selected object, if its not active */ - ob= OBACT; - if(ob && !(ob->flag & SELECT)) ob= NULL; - - for(base= G.scene->base.first; base; base= base->next) { - if TESTBASELIB(base) { - if(ob==NULL) - ob= base->object; - calc_tw_center(base->object->obmat[3]); - protectflag_to_drawflags(base->object->protectflag, &v3d->twdrawflag); - totsel++; - } - } - - /* selection center */ - if(totsel) { - VecMulf(G.scene->twcent, 1.0f/(float)totsel); // centroid! - } - } - - /* global, local or normal orientation? */ - if(ob && totsel) { - - switch(v3d->twmode) { - case V3D_MANIP_GLOBAL: - strcpy(t->spacename, "global"); - break; - - case V3D_MANIP_NORMAL: - if(G.obedit || (ob->flag & OB_POSEMODE)) { - strcpy(t->spacename, "normal"); - if(normal[0]!=0.0 || normal[1]!=0.0 || normal[2]!=0.0) { - float imat[3][3], mat[3][3]; - - /* we need the transpose of the inverse for a normal... */ - Mat3CpyMat4(imat, ob->obmat); - - Mat3Inv(mat, imat); - Mat3Transp(mat); - Mat3MulVecfl(mat, normal); - Mat3MulVecfl(mat, plane); - - Normalize(normal); - if(0.0==Normalize(plane)) VECCOPY(plane, mat[1]); - - VECCOPY(mat[2], normal); - Crossf(mat[0], normal, plane); - Crossf(mat[1], mat[2], mat[0]); - - Mat4CpyMat3(v3d->twmat, mat); - Mat4Ortho(v3d->twmat); - - break; - } - } - /* no break we define 'normal' as 'local' in Object mode */ - case V3D_MANIP_LOCAL: - strcpy(t->spacename, "local"); - Mat4CpyMat4(v3d->twmat, ob->obmat); - Mat4Ortho(v3d->twmat); - break; - - case V3D_MANIP_VIEW: - { - float mat[3][3]; - strcpy(t->spacename, "view"); - Mat3CpyMat4(mat, v3d->viewinv); - Mat3Ortho(mat); - Mat4CpyMat3(v3d->twmat, mat); - } - break; - } - - } - - return totsel; -} - -/* ******************** DRAWING STUFFIES *********** */ - -static float screen_aligned(float mat[][4]) -{ - float vec[3], size; - - VECCOPY(vec, mat[0]); - size= Normalize(vec); - - glTranslatef(mat[3][0], mat[3][1], mat[3][2]); - - /* sets view screen aligned */ - glRotatef( -360.0f*saacos(G.vd->viewquat[0])/(float)M_PI, G.vd->viewquat[1], G.vd->viewquat[2], G.vd->viewquat[3]); - - return size; -} - - -/* radring = radius of donut rings - radhole = radius hole - start = starting segment (based on nrings) - end = end segment - nsides = amount of points in ring - nrigns = amount of rings -*/ -static void partial_donut(float radring, float radhole, int start, int end, int nsides, int nrings) -{ - float theta, phi, theta1; - float cos_theta, sin_theta; - float cos_theta1, sin_theta1; - float ring_delta, side_delta; - int i, j, docaps= 1; - - if(start==0 && end==nrings) docaps= 0; - - ring_delta= 2.0f*(float)M_PI/(float)nrings; - side_delta= 2.0f*(float)M_PI/(float)nsides; - - theta= (float)M_PI+0.5f*ring_delta; - cos_theta= (float)cos(theta); - sin_theta= (float)sin(theta); - - for(i= nrings - 1; i >= 0; i--) { - theta1= theta + ring_delta; - cos_theta1= (float)cos(theta1); - sin_theta1= (float)sin(theta1); - - if(docaps && i==start) { // cap - glBegin(GL_POLYGON); - phi= 0.0; - for(j= nsides; j >= 0; j--) { - float cos_phi, sin_phi, dist; - - phi += side_delta; - cos_phi= (float)cos(phi); - sin_phi= (float)sin(phi); - dist= radhole + radring * cos_phi; - - glVertex3f(cos_theta1 * dist, -sin_theta1 * dist, radring * sin_phi); - } - glEnd(); - } - if(i>=start && i<=end) { - glBegin(GL_QUAD_STRIP); - phi= 0.0; - for(j= nsides; j >= 0; j--) { - float cos_phi, sin_phi, dist; - - phi += side_delta; - cos_phi= (float)cos(phi); - sin_phi= (float)sin(phi); - dist= radhole + radring * cos_phi; - - glVertex3f(cos_theta1 * dist, -sin_theta1 * dist, radring * sin_phi); - glVertex3f(cos_theta * dist, -sin_theta * dist, radring * sin_phi); - } - glEnd(); - } - - if(docaps && i==end) { // cap - glBegin(GL_POLYGON); - phi= 0.0; - for(j= nsides; j >= 0; j--) { - float cos_phi, sin_phi, dist; - - phi -= side_delta; - cos_phi= (float)cos(phi); - sin_phi= (float)sin(phi); - dist= radhole + radring * cos_phi; - - glVertex3f(cos_theta * dist, -sin_theta * dist, radring * sin_phi); - } - glEnd(); - } - - - theta= theta1; - cos_theta= cos_theta1; - sin_theta= sin_theta1; - } -} - -/* three colors can be set; - grey for ghosting - moving: in transform theme color - else the red/green/blue -*/ -static void manipulator_setcolor(char axis, int colcode) -{ - float vec[4]; - char col[4]; - - vec[3]= 0.7f; // alpha set on 0.5, can be glEnabled or not - - if(colcode==MAN_GHOST) { - glColor4ub(0, 0, 0, 70); - } - else if(colcode==MAN_MOVECOL) { - BIF_GetThemeColor3ubv(TH_TRANSFORM, col); - glColor4ub(col[0], col[1], col[2], 128); - } - else { - switch(axis) { - case 'c': - BIF_GetThemeColor3ubv(TH_TRANSFORM, col); - if(G.vd->twmode == V3D_MANIP_LOCAL) { - col[0]= col[0]>200?255:col[0]+55; - col[1]= col[1]>200?255:col[1]+55; - col[2]= col[2]>200?255:col[2]+55; - } - else if(G.vd->twmode == V3D_MANIP_NORMAL) { - col[0]= col[0]<55?0:col[0]-55; - col[1]= col[1]<55?0:col[1]-55; - col[2]= col[2]<55?0:col[2]-55; - } - glColor4ub(col[0], col[1], col[2], 128); - break; - case 'x': - glColor4ub(220, 0, 0, 128); - break; - case 'y': - glColor4ub(0, 220, 0, 128); - break; - case 'z': - glColor4ub(30, 30, 220, 128); - break; - } - } -} - -/* viewmatrix should have been set OK, also no shademode! */ -static void draw_manipulator_axes(int colcode, int flagx, int flagy, int flagz) -{ - - /* axes */ - if(flagx) { - manipulator_setcolor('x', colcode); - if(flagx & MAN_SCALE_X) glLoadName(MAN_SCALE_X); - else if(flagx & MAN_TRANS_X) glLoadName(MAN_TRANS_X); - glBegin(GL_LINES); - glVertex3f(0.2f, 0.0f, 0.0f); - glVertex3f(1.0f, 0.0f, 0.0f); - glEnd(); - } - if(flagy) { - if(flagy & MAN_SCALE_Y) glLoadName(MAN_SCALE_Y); - else if(flagy & MAN_TRANS_Y) glLoadName(MAN_TRANS_Y); - manipulator_setcolor('y', colcode); - glBegin(GL_LINES); - glVertex3f(0.0f, 0.2f, 0.0f); - glVertex3f(0.0f, 1.0f, 0.0f); - glEnd(); - } - if(flagz) { - if(flagz & MAN_SCALE_Z) glLoadName(MAN_SCALE_Z); - else if(flagz & MAN_TRANS_Z) glLoadName(MAN_TRANS_Z); - manipulator_setcolor('z', colcode); - glBegin(GL_LINES); - glVertex3f(0.0f, 0.0f, 0.2f); - glVertex3f(0.0f, 0.0f, 1.0f); - glEnd(); - } -} - -/* only called while G.moving */ -static void draw_manipulator_rotate_ghost(float mat[][4], int drawflags) -{ - GLUquadricObj *qobj; - float size, phi, startphi, vec[3], svec[3], matt[4][4], cross[3], tmat[3][3]; - int arcs= (G.rt!=2); - - glDisable(GL_DEPTH_TEST); - - qobj= gluNewQuadric(); - gluQuadricDrawStyle(qobj, GLU_FILL); - - glColor4ub(0,0,0,64); - glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - - /* we need both [4][4] transforms, Trans.mat seems to be premul, not post for mat[][4] */ - Mat4CpyMat4(matt, mat); // to copy the parts outside of [3][3] - Mat4MulMat34(matt, Trans.mat, mat); - - /* Screen aligned view rot circle */ - if(drawflags & MAN_ROT_V) { - - /* prepare for screen aligned draw */ - glPushMatrix(); - size= screen_aligned(mat); - - vec[0]= (float)(Trans.con.imval[0] - Trans.center2d[0]); - vec[1]= (float)(Trans.con.imval[1] - Trans.center2d[1]); - vec[2]= 0.0f; - Normalize(vec); - - startphi= saacos( vec[1] ); - if(vec[0]<0.0) startphi= -startphi; - - phi= (float)fmod(180.0*Trans.val/M_PI, 360.0); - if(phi > 180.0) phi-= 360.0; - else if(phi<-180.0) phi+= 360.0; - - gluPartialDisk(qobj, 0.0, size, 32, 1, 180.0*startphi/M_PI, phi); - - glPopMatrix(); - } - else if(arcs) { - float imat[3][3], ivmat[3][3]; - /* try to get the start rotation */ - - svec[0]= (float)(Trans.con.imval[0] - Trans.center2d[0]); - svec[1]= (float)(Trans.con.imval[1] - Trans.center2d[1]); - svec[2]= 0.0f; - - /* screen aligned vec transform back to manipulator space */ - Mat3CpyMat4(ivmat, G.vd->viewinv); - Mat3CpyMat4(tmat, mat); - Mat3Inv(imat, tmat); - Mat3MulMat3(tmat, imat, ivmat); - - Mat3MulVecfl(tmat, svec); // tmat is used further on - Normalize(svec); - } - - mymultmatrix(mat); // aligns with original widget - - /* Z disk */ - if(drawflags & MAN_ROT_Z) { - if(arcs) { - /* correct for squeezed arc */ - svec[0]+= tmat[2][0]; - svec[1]+= tmat[2][1]; - Normalize(svec); - - startphi= (float)atan2(svec[0], svec[1]); - } - else startphi= 0.5f*(float)M_PI; - - VECCOPY(vec, mat[0]); // use x axis to detect rotation - Normalize(vec); - Normalize(matt[0]); - phi= saacos( Inpf(vec, matt[0]) ); - if(phi!=0.0) { - Crossf(cross, vec, matt[0]); // results in z vector - if(Inpf(cross, mat[2]) > 0.0) phi= -phi; - gluPartialDisk(qobj, 0.0, 1.0, 32, 1, 180.0*startphi/M_PI, 180.0*(phi)/M_PI); - } - } - /* X disk */ - if(drawflags & MAN_ROT_X) { - if(arcs) { - /* correct for squeezed arc */ - svec[1]+= tmat[2][1]; - svec[2]+= tmat[2][2]; - Normalize(svec); - - startphi= (float)(M_PI + atan2(svec[2], -svec[1])); - } - else startphi= 0.0f; - - VECCOPY(vec, mat[1]); // use y axis to detect rotation - Normalize(vec); - Normalize(matt[1]); - phi= saacos( Inpf(vec, matt[1]) ); - if(phi!=0.0) { - Crossf(cross, vec, matt[1]); // results in x vector - if(Inpf(cross, mat[0]) > 0.0) phi= -phi; - glRotatef(90.0, 0.0, 1.0, 0.0); - gluPartialDisk(qobj, 0.0, 1.0, 32, 1, 180.0*startphi/M_PI, 180.0*phi/M_PI); - glRotatef(-90.0, 0.0, 1.0, 0.0); - } - } - /* Y circle */ - if(drawflags & MAN_ROT_Y) { - if(arcs) { - /* correct for squeezed arc */ - svec[0]+= tmat[2][0]; - svec[2]+= tmat[2][2]; - Normalize(svec); - - startphi= (float)(M_PI + atan2(-svec[0], svec[2])); - } - else startphi= (float)M_PI; - - VECCOPY(vec, mat[2]); // use z axis to detect rotation - Normalize(vec); - Normalize(matt[2]); - phi= saacos( Inpf(vec, matt[2]) ); - if(phi!=0.0) { - Crossf(cross, vec, matt[2]); // results in y vector - if(Inpf(cross, mat[1]) > 0.0) phi= -phi; - glRotatef(-90.0, 1.0, 0.0, 0.0); - gluPartialDisk(qobj, 0.0, 1.0, 32, 1, 180.0*startphi/M_PI, 180.0*phi/M_PI); - glRotatef(90.0, 1.0, 0.0, 0.0); - } - } - - glDisable(GL_BLEND); - myloadmatrix(G.vd->viewmat); -} - -static void draw_manipulator_rotate(float mat[][4], int moving, int drawflags, int combo) -{ - GLUquadricObj *qobj; - double plane[4]; - float size, vec[3], unitmat[4][4]; - float cywid= 0.33f*0.01f*(float)U.tw_handlesize; - float cusize= cywid*0.65f; - int arcs= (G.rt!=2); - int colcode; - - if(moving) colcode= MAN_MOVECOL; - else colcode= MAN_RGB; - - /* when called while moving in mixed mode, do not draw when... */ - if((drawflags & MAN_ROT_C)==0) return; - - /* Init stuff */ - glDisable(GL_DEPTH_TEST); - Mat4One(unitmat); - - qobj= gluNewQuadric(); - gluQuadricDrawStyle(qobj, GLU_FILL); - - /* prepare for screen aligned draw */ - VECCOPY(vec, mat[0]); - size= Normalize(vec); - glPushMatrix(); - glTranslatef(mat[3][0], mat[3][1], mat[3][2]); - - if(arcs) { - /* clipplane makes nice handles, calc here because of multmatrix but with translate! */ - VECCOPY(plane, G.vd->viewinv[2]); - plane[3]= -0.02*size; // clip just a bit more - glClipPlane(GL_CLIP_PLANE0, plane); - } - /* sets view screen aligned */ - glRotatef( -360.0f*saacos(G.vd->viewquat[0])/(float)M_PI, G.vd->viewquat[1], G.vd->viewquat[2], G.vd->viewquat[3]); - - /* Screen aligned help circle */ - if(arcs) { - if((G.f & G_PICKSEL)==0) { - BIF_ThemeColorShade(TH_BACK, -30); - drawcircball(GL_LINE_LOOP, unitmat[3], size, unitmat); - } - } - /* Screen aligned view rot circle */ - if(drawflags & MAN_ROT_V) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_V); - BIF_ThemeColor(TH_TRANSFORM); - drawcircball(GL_LINE_LOOP, unitmat[3], 1.2f*size, unitmat); - - if(moving) { - float vec[3]; - vec[0]= (float)(Trans.imval[0] - Trans.center2d[0]); - vec[1]= (float)(Trans.imval[1] - Trans.center2d[1]); - vec[2]= 0.0f; - Normalize(vec); - VecMulf(vec, 1.2f*size); - glBegin(GL_LINES); - glVertex3f(0.0f, 0.0f, 0.0f); - glVertex3fv(vec); - glEnd(); - } - } - glPopMatrix(); - - /* apply the transform delta */ - if(moving) { - float matt[4][4]; - Mat4CpyMat4(matt, mat); // to copy the parts outside of [3][3] - Mat4MulMat34(matt, Trans.mat, mat); - mymultmatrix(matt); - glFrontFace( is_mat4_flipped(matt)?GL_CW:GL_CCW); - } - else { - glFrontFace( is_mat4_flipped(mat)?GL_CW:GL_CCW); - mymultmatrix(mat); - } - - /* axes */ - if(arcs==0) { - if(!(G.f & G_PICKSEL)) { - if( (combo & V3D_MANIP_SCALE)==0) { - /* axis */ - glBegin(GL_LINES); - if( (drawflags & MAN_ROT_X) || (moving && (drawflags & MAN_ROT_Z)) ) { - manipulator_setcolor('x', colcode); - glVertex3f(0.2f, 0.0f, 0.0f); - glVertex3f(1.0f, 0.0f, 0.0f); - } - if( (drawflags & MAN_ROT_Y) || (moving && (drawflags & MAN_ROT_X)) ) { - manipulator_setcolor('y', colcode); - glVertex3f(0.0f, 0.2f, 0.0f); - glVertex3f(0.0f, 1.0f, 0.0f); - } - if( (drawflags & MAN_ROT_Z) || (moving && (drawflags & MAN_ROT_Y)) ) { - manipulator_setcolor('z', colcode); - glVertex3f(0.0f, 0.0f, 0.2f); - glVertex3f(0.0f, 0.0f, 1.0f); - } - glEnd(); - } - } - } - - if(arcs==0 && moving) { - - /* Z circle */ - if(drawflags & MAN_ROT_Z) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_Z); - manipulator_setcolor('z', colcode); - drawcircball(GL_LINE_LOOP, unitmat[3], 1.0, unitmat); - } - /* X circle */ - if(drawflags & MAN_ROT_X) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_X); - glRotatef(90.0, 0.0, 1.0, 0.0); - manipulator_setcolor('x', colcode); - drawcircball(GL_LINE_LOOP, unitmat[3], 1.0, unitmat); - glRotatef(-90.0, 0.0, 1.0, 0.0); - } - /* Y circle */ - if(drawflags & MAN_ROT_Y) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_Y); - glRotatef(-90.0, 1.0, 0.0, 0.0); - manipulator_setcolor('y', colcode); - drawcircball(GL_LINE_LOOP, unitmat[3], 1.0, unitmat); - glRotatef(90.0, 1.0, 0.0, 0.0); - } - - if(arcs) glDisable(GL_CLIP_PLANE0); - } - // donut arcs - if(arcs) { - glEnable(GL_CLIP_PLANE0); - - /* Z circle */ - if(drawflags & MAN_ROT_Z) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_Z); - manipulator_setcolor('z', colcode); - partial_donut(cusize/4.0f, 1.0f, 0, 48, 8, 48); - } - /* X circle */ - if(drawflags & MAN_ROT_X) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_X); - glRotatef(90.0, 0.0, 1.0, 0.0); - manipulator_setcolor('x', colcode); - partial_donut(cusize/4.0f, 1.0f, 0, 48, 8, 48); - glRotatef(-90.0, 0.0, 1.0, 0.0); - } - /* Y circle */ - if(drawflags & MAN_ROT_Y) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_Y); - glRotatef(-90.0, 1.0, 0.0, 0.0); - manipulator_setcolor('y', colcode); - partial_donut(cusize/4.0f, 1.0f, 0, 48, 8, 48); - glRotatef(90.0, 1.0, 0.0, 0.0); - } - - glDisable(GL_CLIP_PLANE0); - } - - if(arcs==0) { - - /* Z handle on X axis */ - if(drawflags & MAN_ROT_Z) { - glPushMatrix(); - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_Z); - manipulator_setcolor('z', colcode); - - partial_donut(0.7f*cusize, 1.0f, 31, 33, 8, 64); - - glPopMatrix(); - } - - /* Y handle on X axis */ - if(drawflags & MAN_ROT_Y) { - glPushMatrix(); - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_Y); - manipulator_setcolor('y', colcode); - - glRotatef(90.0, 1.0, 0.0, 0.0); - glRotatef(90.0, 0.0, 0.0, 1.0); - partial_donut(0.7f*cusize, 1.0f, 31, 33, 8, 64); - - glPopMatrix(); - } - - /* X handle on Z axis */ - if(drawflags & MAN_ROT_X) { - glPushMatrix(); - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_X); - manipulator_setcolor('x', colcode); - - glRotatef(-90.0, 0.0, 1.0, 0.0); - glRotatef(90.0, 0.0, 0.0, 1.0); - partial_donut(0.7f*cusize, 1.0f, 31, 33, 8, 64); - - glPopMatrix(); - } - - } - - /* restore */ - myloadmatrix(G.vd->viewmat); - gluDeleteQuadric(qobj); - if(G.vd->zbuf) glEnable(GL_DEPTH_TEST); - -} - -static void draw_manipulator_scale(float mat[][4], int moving, int drawflags, int combo, int colcode) -{ - float cywid= 0.25f*0.01f*(float)U.tw_handlesize; - float cusize= cywid*0.75f, dz; - - /* when called while moving in mixed mode, do not draw when... */ - if((drawflags & MAN_SCALE_C)==0) return; - - glDisable(GL_DEPTH_TEST); - - /* not in combo mode */ - if( (combo & (V3D_MANIP_TRANSLATE|V3D_MANIP_ROTATE))==0) { - float size, unitmat[4][4]; - - /* center circle, do not add to selection when shift is pressed (planar constraint) */ - if( (G.f & G_PICKSEL) && (G.qual & LR_SHIFTKEY)==0) glLoadName(MAN_SCALE_C); - - manipulator_setcolor('c', colcode); - glPushMatrix(); - size= screen_aligned(mat); - Mat4One(unitmat); - drawcircball(GL_LINE_LOOP, unitmat[3], 0.2f*size, unitmat); - glPopMatrix(); - - dz= 1.0; - } - else dz= 1.0f-4.0f*cusize; - - if(moving) { - float matt[4][4]; - - Mat4CpyMat4(matt, mat); // to copy the parts outside of [3][3] - Mat4MulMat34(matt, Trans.mat, mat); - mymultmatrix(matt); - glFrontFace( is_mat4_flipped(matt)?GL_CW:GL_CCW); - } - else { - mymultmatrix(mat); - glFrontFace( is_mat4_flipped(mat)?GL_CW:GL_CCW); - } - - /* axis */ - - /* in combo mode, this is always drawn as first type */ - draw_manipulator_axes(colcode, drawflags & MAN_SCALE_X, drawflags & MAN_SCALE_Y, drawflags & MAN_SCALE_Z); - - /* Z cube */ - glTranslatef(0.0, 0.0, dz); - if(drawflags & MAN_SCALE_Z) { - if(G.f & G_PICKSEL) glLoadName(MAN_SCALE_Z); - manipulator_setcolor('z', colcode); - drawsolidcube(cusize); - } - /* X cube */ - glTranslatef(dz, 0.0, -dz); - if(drawflags & MAN_SCALE_X) { - if(G.f & G_PICKSEL) glLoadName(MAN_SCALE_X); - manipulator_setcolor('x', colcode); - drawsolidcube(cusize); - } - /* Y cube */ - glTranslatef(-dz, dz, 0.0); - if(drawflags & MAN_SCALE_Y) { - if(G.f & G_PICKSEL) glLoadName(MAN_SCALE_Y); - manipulator_setcolor('y', colcode); - drawsolidcube(cusize); - } - - /* if shiftkey, center point as last, for selectbuffer order */ - if(G.f & G_PICKSEL) { - if(G.qual & LR_SHIFTKEY) { - glTranslatef(0.0, -dz, 0.0); - glLoadName(MAN_SCALE_C); - glBegin(GL_POINTS); - glVertex3f(0.0, 0.0, 0.0); - glEnd(); - } - } - - /* restore */ - myloadmatrix(G.vd->viewmat); - - if(G.vd->zbuf) glEnable(GL_DEPTH_TEST); - glFrontFace(GL_CCW); -} - - -static void draw_cone(GLUquadricObj *qobj, float len, float width) -{ - glTranslatef(0.0, 0.0, -0.5f*len); - gluCylinder(qobj, width, 0.0, len, 8, 1); - gluQuadricOrientation(qobj, GLU_INSIDE); - gluDisk(qobj, 0.0, width, 8, 1); - gluQuadricOrientation(qobj, GLU_OUTSIDE); - glTranslatef(0.0, 0.0, 0.5f*len); -} - -static void draw_cylinder(GLUquadricObj *qobj, float len, float width) -{ - - width*= 0.8f; // just for beauty - - glTranslatef(0.0, 0.0, -0.5f*len); - gluCylinder(qobj, width, width, len, 8, 1); - gluQuadricOrientation(qobj, GLU_INSIDE); - gluDisk(qobj, 0.0, width, 8, 1); - gluQuadricOrientation(qobj, GLU_OUTSIDE); - glTranslatef(0.0, 0.0, len); - gluDisk(qobj, 0.0, width, 8, 1); - glTranslatef(0.0, 0.0, -0.5f*len); -} - - -static void draw_manipulator_translate(float mat[][4], int moving, int drawflags, int combo, int colcode) -{ - GLUquadricObj *qobj; - float cylen= 0.01f*(float)U.tw_handlesize; - float cywid= 0.25f*cylen, dz, size; - float unitmat[4][4]; - - /* when called while moving in mixed mode, do not draw when... */ - if((drawflags & MAN_TRANS_C)==0) return; - - if(moving) glTranslatef(Trans.vec[0], Trans.vec[1], Trans.vec[2]); - glDisable(GL_DEPTH_TEST); - - qobj= gluNewQuadric(); - gluQuadricDrawStyle(qobj, GLU_FILL); - - /* center circle, do not add to selection when shift is pressed (planar constraint) */ - if( (G.f & G_PICKSEL) && (G.qual & LR_SHIFTKEY)==0) glLoadName(MAN_TRANS_C); - - manipulator_setcolor('c', colcode); - glPushMatrix(); - size= screen_aligned(mat); - Mat4One(unitmat); - drawcircball(GL_LINE_LOOP, unitmat[3], 0.2f*size, unitmat); - glPopMatrix(); - - /* and now apply matrix, we move to local matrix drawing */ - mymultmatrix(mat); - - /* axis */ - glLoadName(-1); - - // translate drawn as last, only axis when no combo with scale, or for ghosting - if((combo & V3D_MANIP_SCALE)==0 || colcode==MAN_GHOST) - draw_manipulator_axes(colcode, drawflags & MAN_TRANS_X, drawflags & MAN_TRANS_Y, drawflags & MAN_TRANS_Z); - - - /* offset in combo mode, for rotate a bit more */ - if(combo & (V3D_MANIP_ROTATE)) dz= 1.0f+2.0f*cylen; - else if(combo & (V3D_MANIP_SCALE)) dz= 1.0f+0.5f*cylen; - else dz= 1.0f; - - /* Z Cone */ - glTranslatef(0.0, 0.0, dz); - if(drawflags & MAN_TRANS_Z) { - if(G.f & G_PICKSEL) glLoadName(MAN_TRANS_Z); - manipulator_setcolor('z', colcode); - draw_cone(qobj, cylen, cywid); - } - /* X Cone */ - glTranslatef(dz, 0.0, -dz); - if(drawflags & MAN_TRANS_X) { - if(G.f & G_PICKSEL) glLoadName(MAN_TRANS_X); - glRotatef(90.0, 0.0, 1.0, 0.0); - manipulator_setcolor('x', colcode); - draw_cone(qobj, cylen, cywid); - glRotatef(-90.0, 0.0, 1.0, 0.0); - } - /* Y Cone */ - glTranslatef(-dz, dz, 0.0); - if(drawflags & MAN_TRANS_Y) { - if(G.f & G_PICKSEL) glLoadName(MAN_TRANS_Y); - glRotatef(-90.0, 1.0, 0.0, 0.0); - manipulator_setcolor('y', colcode); - draw_cone(qobj, cylen, cywid); - } - - gluDeleteQuadric(qobj); - myloadmatrix(G.vd->viewmat); - - if(G.vd->zbuf) glEnable(GL_DEPTH_TEST); - -} - -static void draw_manipulator_rotate_cyl(float mat[][4], int moving, int drawflags, int combo, int colcode) -{ - GLUquadricObj *qobj; - float size; - float cylen= 0.01f*(float)U.tw_handlesize; - float cywid= 0.25f*cylen; - - /* when called while moving in mixed mode, do not draw when... */ - if((drawflags & MAN_ROT_C)==0) return; - - /* prepare for screen aligned draw */ - glPushMatrix(); - size= screen_aligned(mat); - - glDisable(GL_DEPTH_TEST); - - qobj= gluNewQuadric(); - - /* Screen aligned view rot circle */ - if(drawflags & MAN_ROT_V) { - float unitmat[4][4]; - Mat4One(unitmat); - - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_V); - BIF_ThemeColor(TH_TRANSFORM); - drawcircball(GL_LINE_LOOP, unitmat[3], 1.2f*size, unitmat); - - if(moving) { - float vec[3]; - vec[0]= (float)(Trans.imval[0] - Trans.center2d[0]); - vec[1]= (float)(Trans.imval[1] - Trans.center2d[1]); - vec[2]= 0.0f; - Normalize(vec); - VecMulf(vec, 1.2f*size); - glBegin(GL_LINES); - glVertex3f(0.0, 0.0, 0.0); - glVertex3fv(vec); - glEnd(); - } - } - glPopMatrix(); - - /* apply the transform delta */ - if(moving) { - float matt[4][4]; - Mat4CpyMat4(matt, mat); // to copy the parts outside of [3][3] - if (Trans.flag & T_USES_MANIPULATOR) { - Mat4MulMat34(matt, Trans.mat, mat); - } - mymultmatrix(matt); - } - else { - mymultmatrix(mat); - } - - glFrontFace( is_mat4_flipped(mat)?GL_CW:GL_CCW); - - /* axis */ - if( (G.f & G_PICKSEL)==0 ) { - - // only draw axis when combo didn't draw scale axes - if((combo & V3D_MANIP_SCALE)==0) - draw_manipulator_axes(colcode, drawflags & MAN_ROT_X, drawflags & MAN_ROT_Y, drawflags & MAN_ROT_Z); - - /* only has to be set when not in picking */ - gluQuadricDrawStyle(qobj, GLU_FILL); - } - - /* Z cyl */ - glTranslatef(0.0, 0.0, 1.0); - if(drawflags & MAN_ROT_Z) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_Z); - manipulator_setcolor('z', colcode); - draw_cylinder(qobj, cylen, cywid); - } - /* X cyl */ - glTranslatef(1.0, 0.0, -1.0); - if(drawflags & MAN_ROT_X) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_X); - glRotatef(90.0, 0.0, 1.0, 0.0); - manipulator_setcolor('x', colcode); - draw_cylinder(qobj, cylen, cywid); - glRotatef(-90.0, 0.0, 1.0, 0.0); - } - /* Y cylinder */ - glTranslatef(-1.0, 1.0, 0.0); - if(drawflags & MAN_ROT_Y) { - if(G.f & G_PICKSEL) glLoadName(MAN_ROT_Y); - glRotatef(-90.0, 1.0, 0.0, 0.0); - manipulator_setcolor('y', colcode); - draw_cylinder(qobj, cylen, cywid); - } - - /* restore */ - - gluDeleteQuadric(qobj); - myloadmatrix(G.vd->viewmat); - - if(G.vd->zbuf) glEnable(GL_DEPTH_TEST); - -} - - -/* ********************************************* */ - -float get_drawsize(View3D *v3d) -{ - ScrArea *sa = v3d->area; - float size, vec[3], len1, len2; - - /* size calculus, depending ortho/persp settings, like initgrabz() */ - size= v3d->persmat[0][3]*v3d->twmat[3][0]+ v3d->persmat[1][3]*v3d->twmat[3][1]+ v3d->persmat[2][3]*v3d->twmat[3][2]+ v3d->persmat[3][3]; - - VECCOPY(vec, v3d->persinv[0]); - len1= Normalize(vec); - VECCOPY(vec, v3d->persinv[1]); - len2= Normalize(vec); - - size*= 0.01f*(len1>len2?len1:len2); - - /* correct for window size to make widgets appear fixed size */ - if(sa->winx > sa->winy) size*= 1000.0f/(float)sa->winx; - else size*= 1000.0f/(float)sa->winy; - - return size; -} - -static float get_manipulator_drawsize(ScrArea *sa) -{ - View3D *v3d= sa->spacedata.first; - float size = get_drawsize(v3d); - - size*= (float)U.tw_size; - - return size; -} - -/* exported to transform_constraints.c */ -/* mat, vec = default orientation and location */ -/* type = transform type */ -/* axis = x, y, z, c */ -/* col: 0 = colored, 1 = moving, 2 = ghost */ -void draw_manipulator_ext(ScrArea *sa, int type, char axis, int col, float vec[3], float mat[][3]) -{ - int drawflags= 0; - float mat4[4][4]; - int colcode; - - Mat4CpyMat3(mat4, mat); - VECCOPY(mat4[3], vec); - - Mat4MulFloat3((float *)mat4, get_manipulator_drawsize(sa)); - - glEnable(GL_BLEND); // let's do it transparent by default - if(col==0) colcode= MAN_RGB; - else if(col==1) colcode= MAN_MOVECOL; - else colcode= MAN_GHOST; - - - if(type==TFM_ROTATION) { - if(axis=='x') drawflags= MAN_ROT_X; - else if(axis=='y') drawflags= MAN_ROT_Y; - else if(axis=='z') drawflags= MAN_ROT_Z; - else drawflags= MAN_ROT_C; - - draw_manipulator_rotate_cyl(mat4, col, drawflags, V3D_MANIP_ROTATE, colcode); - } - else if(type==TFM_RESIZE) { - if(axis=='x') drawflags= MAN_SCALE_X; - else if(axis=='y') drawflags= MAN_SCALE_Y; - else if(axis=='z') drawflags= MAN_SCALE_Z; - else drawflags= MAN_SCALE_C; - - draw_manipulator_scale(mat4, col, drawflags, V3D_MANIP_SCALE, colcode); - } - else { - if(axis=='x') drawflags= MAN_TRANS_X; - else if(axis=='y') drawflags= MAN_TRANS_Y; - else if(axis=='z') drawflags= MAN_TRANS_Z; - else drawflags= MAN_TRANS_C; - - draw_manipulator_translate(mat4, 0, drawflags, V3D_MANIP_TRANSLATE, colcode); - } - - - glDisable(GL_BLEND); -} - -/* main call, does calc centers & orientation too */ -/* uses global G.moving */ -static int drawflags= 0xFFFF; // only for the calls below, belongs in scene...? -void BIF_draw_manipulator(ScrArea *sa) -{ - View3D *v3d= sa->spacedata.first; - int totsel; - - if(!(v3d->twflag & V3D_USE_MANIPULATOR)) return; - if(G.moving && (G.moving & G_TRANSFORM_MANIP)==0) return; - - if(G.moving==0) { - v3d->twflag &= ~V3D_DRAW_MANIPULATOR; - - totsel= calc_manipulator_stats(sa); - if(totsel==0) return; - drawflags= v3d->twdrawflag; /* set in calc_manipulator_stats */ - - v3d->twflag |= V3D_DRAW_MANIPULATOR; - - /* now we can define center */ - switch(v3d->around) { - case V3D_CENTER: - case V3D_ACTIVE: - v3d->twmat[3][0]= (G.scene->twmin[0] + G.scene->twmax[0])/2.0f; - v3d->twmat[3][1]= (G.scene->twmin[1] + G.scene->twmax[1])/2.0f; - v3d->twmat[3][2]= (G.scene->twmin[2] + G.scene->twmax[2])/2.0f; - if(v3d->around==V3D_ACTIVE && G.obedit==NULL) { - Object *ob= OBACT; - if(ob && !(ob->flag & OB_POSEMODE)) - VECCOPY(v3d->twmat[3], ob->obmat[3]); - } - break; - case V3D_LOCAL: - case V3D_CENTROID: - VECCOPY(v3d->twmat[3], G.scene->twcent); - break; - case V3D_CURSOR: - VECCOPY(v3d->twmat[3], give_cursor()); - break; - } - - Mat4MulFloat3((float *)v3d->twmat, get_manipulator_drawsize(sa)); - } - - if(v3d->twflag & V3D_DRAW_MANIPULATOR) { - - if(v3d->twtype & V3D_MANIP_ROTATE) { - - /* rotate has special ghosting draw, for pie chart */ - if(G.moving) draw_manipulator_rotate_ghost(v3d->twmat, drawflags); - - if(G.moving) glEnable(GL_BLEND); - - if(G.rt==3) { - if(G.moving) draw_manipulator_rotate_cyl(v3d->twmat, 1, drawflags, v3d->twtype, MAN_MOVECOL); - else draw_manipulator_rotate_cyl(v3d->twmat, 0, drawflags, v3d->twtype, MAN_RGB); - } - else - draw_manipulator_rotate(v3d->twmat, G.moving, drawflags, v3d->twtype); - - glDisable(GL_BLEND); - } - if(v3d->twtype & V3D_MANIP_SCALE) { - if(G.moving) { - glEnable(GL_BLEND); - draw_manipulator_scale(v3d->twmat, 0, drawflags, v3d->twtype, MAN_GHOST); - draw_manipulator_scale(v3d->twmat, 1, drawflags, v3d->twtype, MAN_MOVECOL); - glDisable(GL_BLEND); - } - else draw_manipulator_scale(v3d->twmat, 0, drawflags, v3d->twtype, MAN_RGB); - } - if(v3d->twtype & V3D_MANIP_TRANSLATE) { - if(G.moving) { - glEnable(GL_BLEND); - draw_manipulator_translate(v3d->twmat, 0, drawflags, v3d->twtype, MAN_GHOST); - draw_manipulator_translate(v3d->twmat, 1, drawflags, v3d->twtype, MAN_MOVECOL); - glDisable(GL_BLEND); - } - else draw_manipulator_translate(v3d->twmat, 0, drawflags, v3d->twtype, MAN_RGB); - } - } -} - -static int manipulator_selectbuf(ScrArea *sa, float hotspot) -{ - View3D *v3d= sa->spacedata.first; - rctf rect; - GLuint buffer[64]; // max 4 items per select, so large enuf - short hits, mval[2]; - - G.f |= G_PICKSEL; - - getmouseco_areawin(mval); - rect.xmin= mval[0]-hotspot; - rect.xmax= mval[0]+hotspot; - rect.ymin= mval[1]-hotspot; - rect.ymax= mval[1]+hotspot; - - /* get rid of overlay button matrix */ - persp(PERSP_VIEW); - - setwinmatrixview3d(sa->winx, sa->winy, &rect); - Mat4MulMat4(v3d->persmat, v3d->viewmat, sa->winmat); - - glSelectBuffer( 64, buffer); - glRenderMode(GL_SELECT); - glInitNames(); /* these two calls whatfor? It doesnt work otherwise */ - glPushName(-2); - - /* do the drawing */ - if(v3d->twtype & V3D_MANIP_ROTATE) { - if(G.rt==3) draw_manipulator_rotate_cyl(v3d->twmat, 0, MAN_ROT_C & v3d->twdrawflag, v3d->twtype, MAN_RGB); - else draw_manipulator_rotate(v3d->twmat, 0, MAN_ROT_C & v3d->twdrawflag, v3d->twtype); - } - if(v3d->twtype & V3D_MANIP_SCALE) - draw_manipulator_scale(v3d->twmat, 0, MAN_SCALE_C & v3d->twdrawflag, v3d->twtype, MAN_RGB); - if(v3d->twtype & V3D_MANIP_TRANSLATE) - draw_manipulator_translate(v3d->twmat, 0, MAN_TRANS_C & v3d->twdrawflag, v3d->twtype, MAN_RGB); - - glPopName(); - hits= glRenderMode(GL_RENDER); - - G.f &= ~G_PICKSEL; - setwinmatrixview3d(sa->winx, sa->winy, NULL); - Mat4MulMat4(v3d->persmat, v3d->viewmat, sa->winmat); - - persp(PERSP_WIN); - - if(hits==1) return buffer[3]; - else if(hits>1) { - GLuint val, dep, mindep=0, mindeprot=0, minval=0, minvalrot=0; - int a; - - /* we compare the hits in buffer, but value centers highest */ - /* we also store the rotation hits separate (because of arcs) and return hits on other widgets if there are */ - - for(a=0; a<hits; a++) { - dep= buffer[4*a + 1]; - val= buffer[4*a + 3]; - - if(val==MAN_TRANS_C) return MAN_TRANS_C; - else if(val==MAN_SCALE_C) return MAN_SCALE_C; - else { - if(val & MAN_ROT_C) { - if(minvalrot==0 || dep<mindeprot) { - mindeprot= dep; - minvalrot= val; - } - } - else { - if(minval==0 || dep<mindep) { - mindep= dep; - minval= val; - } - } - } - } - - if(minval) - return minval; - else - return minvalrot; - } - return 0; -} - -/* return 0; nothing happened */ -int BIF_do_manipulator(ScrArea *sa) -{ - View3D *v3d= sa->spacedata.first; - int val; - - if(!(v3d->twflag & V3D_USE_MANIPULATOR)) return 0; - if(!(v3d->twflag & V3D_DRAW_MANIPULATOR)) return 0; - - // find the hotspots first test narrow hotspot - val= manipulator_selectbuf(sa, 0.5f*(float)U.tw_hotspot); - if(val) { - checkFirstTime(); // TEMPORARY, check this before doing any transform call. - // drawflags still global, for drawing call above - drawflags= manipulator_selectbuf(sa, 0.2f*(float)U.tw_hotspot); - if(drawflags==0) drawflags= val; - - if (drawflags & MAN_TRANS_C) { - initManipulator(TFM_TRANSLATION); - switch(drawflags) { - case MAN_TRANS_C: - break; - case MAN_TRANS_X: - if(G.qual & LR_SHIFTKEY) { - drawflags= MAN_TRANS_Y|MAN_TRANS_Z; - BIF_setDualAxisConstraint(v3d->twmat[1], v3d->twmat[2], " Y+Z"); - } - else - BIF_setSingleAxisConstraint(v3d->twmat[0], " X"); - break; - case MAN_TRANS_Y: - if(G.qual & LR_SHIFTKEY) { - drawflags= MAN_TRANS_X|MAN_TRANS_Z; - BIF_setDualAxisConstraint(v3d->twmat[0], v3d->twmat[2], " X+Z"); - } - else - BIF_setSingleAxisConstraint(v3d->twmat[1], " Y"); - break; - case MAN_TRANS_Z: - if(G.qual & LR_SHIFTKEY) { - drawflags= MAN_TRANS_X|MAN_TRANS_Y; - BIF_setDualAxisConstraint(v3d->twmat[0], v3d->twmat[1], " X+Y"); - } - else - BIF_setSingleAxisConstraint(v3d->twmat[2], " Z"); - break; - } - ManipulatorTransform(); - } - else if (drawflags & MAN_SCALE_C) { - initManipulator(TFM_RESIZE); - switch(drawflags) { - case MAN_SCALE_X: - if(G.qual & LR_SHIFTKEY) { - drawflags= MAN_SCALE_Y|MAN_SCALE_Z; - BIF_setDualAxisConstraint(v3d->twmat[1], v3d->twmat[2], " Y+Z"); - } - else - BIF_setSingleAxisConstraint(v3d->twmat[0], " X"); - break; - case MAN_SCALE_Y: - if(G.qual & LR_SHIFTKEY) { - drawflags= MAN_SCALE_X|MAN_SCALE_Z; - BIF_setDualAxisConstraint(v3d->twmat[0], v3d->twmat[2], " X+Z"); - } - else - BIF_setSingleAxisConstraint(v3d->twmat[1], " Y"); - break; - case MAN_SCALE_Z: - if(G.qual & LR_SHIFTKEY) { - drawflags= MAN_SCALE_X|MAN_SCALE_Y; - BIF_setDualAxisConstraint(v3d->twmat[0], v3d->twmat[1], " X+Y"); - } - else - BIF_setSingleAxisConstraint(v3d->twmat[2], " Z"); - break; - } - ManipulatorTransform(); - } - else if (drawflags == MAN_ROT_T) { /* trackbal need special case, init is different */ - initManipulator(TFM_TRACKBALL); - ManipulatorTransform(); - } - else if (drawflags & MAN_ROT_C) { - initManipulator(TFM_ROTATION); - switch(drawflags) { - case MAN_ROT_X: - BIF_setSingleAxisConstraint(v3d->twmat[0], " X"); - break; - case MAN_ROT_Y: - BIF_setSingleAxisConstraint(v3d->twmat[1], " Y"); - break; - case MAN_ROT_Z: - BIF_setSingleAxisConstraint(v3d->twmat[2], " Z"); - break; - } - ManipulatorTransform(); - } - } - /* after transform, restore drawflags */ - drawflags= 0xFFFF; - - return val; -} - - |