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eed13b43b19c619ccdcda67b17c0da65ad44879c
blender-archive/source/blender/editors/transform/transform_generics.c
Martin Poirier 3c9e3e69ed 2.5 
Transform helpline and experimental drawing code to indicate direction of motion for specific transformations.
2009-04-30 11:47:35 +00:00

1301 lines
31 KiB
C
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/**
* $Id$
*
* ***** 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 <string.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#include "BLO_sys_types.h" // for intptr_t support
#include "DNA_anim_types.h"
#include "DNA_action_types.h"
#include "DNA_armature_types.h"
#include "DNA_constraint_types.h"
#include "DNA_curve_types.h"
#include "DNA_lattice_types.h"
#include "DNA_mesh_types.h"
#include "DNA_modifier_types.h"
#include "DNA_nla_types.h"
#include "DNA_node_types.h"
#include "DNA_object_types.h"
#include "DNA_object_force.h"
#include "DNA_particle_types.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "DNA_scene_types.h"
#include "DNA_userdef_types.h"
#include "DNA_view3d_types.h"
#include "DNA_windowmanager_types.h"
#include "RNA_access.h"
//#include "BIF_screen.h"
//#include "BIF_mywindow.h"
#include "BIF_gl.h"
//#include "BIF_editaction.h"
//#include "BIF_editmesh.h"
//#include "BIF_editnla.h"
//#include "BIF_editsima.h"
//#include "BIF_editparticle.h"
//#include "BIF_meshtools.h"
#include "BIF_retopo.h"
#include "BKE_action.h"
#include "BKE_anim.h"
#include "BKE_armature.h"
#include "BKE_cloth.h"
#include "BKE_curve.h"
#include "BKE_depsgraph.h"
#include "BKE_displist.h"
#include "BKE_depsgraph.h"
#include "BKE_fcurve.h"
#include "BKE_global.h"
#include "BKE_group.h"
#include "BKE_lattice.h"
#include "BKE_key.h"
#include "BKE_mesh.h"
#include "BKE_modifier.h"
#include "BKE_object.h"
#include "BKE_utildefines.h"
#include "BKE_context.h"
#include "ED_anim_api.h"
#include "ED_armature.h"
#include "ED_image.h"
#include "ED_keyframing.h"
#include "ED_mesh.h"
#include "ED_space_api.h"
#include "ED_uvedit.h"
#include "ED_view3d.h"
//#include "BDR_unwrapper.h"
#include "BLI_arithb.h"
#include "BLI_blenlib.h"
#include "BLI_editVert.h"
#include "BLI_rand.h"
#include "WM_types.h"
#include "UI_resources.h"
//#include "blendef.h"
//
//#include "mydevice.h"
#include "transform.h"
extern ListBase editelems;
extern TransInfo Trans; /* From transform.c */
/* ************************** Functions *************************** */
void getViewVector(TransInfo *t, float coord[3], float vec[3])
{
if (t->persp != V3D_ORTHO)
{
float p1[4], p2[4];
VECCOPY(p1, coord);
p1[3] = 1.0f;
VECCOPY(p2, p1);
p2[3] = 1.0f;
Mat4MulVec4fl(t->viewmat, p2);
p2[0] = 2.0f * p2[0];
p2[1] = 2.0f * p2[1];
p2[2] = 2.0f * p2[2];
Mat4MulVec4fl(t->viewinv, p2);
VecSubf(vec, p1, p2);
}
else {
VECCOPY(vec, t->viewinv[2]);
}
Normalize(vec);
}
/* ************************** GENERICS **************************** */
static void clipMirrorModifier(TransInfo *t, Object *ob)
{
ModifierData *md= ob->modifiers.first;
float tolerance[3] = {0.0f, 0.0f, 0.0f};
int axis = 0;
for (; md; md=md->next) {
if (md->type==eModifierType_Mirror) {
MirrorModifierData *mmd = (MirrorModifierData*) md;
if(mmd->flag & MOD_MIR_CLIPPING) {
axis = 0;
if(mmd->flag & MOD_MIR_AXIS_X) {
axis |= 1;
tolerance[0] = mmd->tolerance;
}
if(mmd->flag & MOD_MIR_AXIS_Y) {
axis |= 2;
tolerance[1] = mmd->tolerance;
}
if(mmd->flag & MOD_MIR_AXIS_Z) {
axis |= 4;
tolerance[2] = mmd->tolerance;
}
if (axis) {
float mtx[4][4], imtx[4][4];
int i;
TransData *td = t->data;
if (mmd->mirror_ob) {
float obinv[4][4];
Mat4Invert(obinv, mmd->mirror_ob->obmat);
Mat4MulMat4(mtx, ob->obmat, obinv);
Mat4Invert(imtx, mtx);
}
for(i = 0 ; i < t->total; i++, td++) {
int clip;
float loc[3], iloc[3];
if (td->flag & TD_NOACTION)
break;
if (td->loc==NULL)
break;
if (td->flag & TD_SKIP)
continue;
VecCopyf(loc, td->loc);
VecCopyf(iloc, td->iloc);
if (mmd->mirror_ob) {
VecMat4MulVecfl(loc, mtx, loc);
VecMat4MulVecfl(iloc, mtx, iloc);
}
clip = 0;
if(axis & 1) {
if(fabs(iloc[0])<=tolerance[0] ||
loc[0]*iloc[0]<0.0f) {
loc[0]= 0.0f;
clip = 1;
}
}
if(axis & 2) {
if(fabs(iloc[1])<=tolerance[1] ||
loc[1]*iloc[1]<0.0f) {
loc[1]= 0.0f;
clip = 1;
}
}
if(axis & 4) {
if(fabs(iloc[2])<=tolerance[2] ||
loc[2]*iloc[2]<0.0f) {
loc[2]= 0.0f;
clip = 1;
}
}
if (clip) {
if (mmd->mirror_ob) {
VecMat4MulVecfl(loc, imtx, loc);
}
VecCopyf(td->loc, loc);
}
}
}
}
}
}
}
/* assumes obedit set to mesh object */
static void editmesh_apply_to_mirror(TransInfo *t)
{
TransData *td = t->data;
EditVert *eve;
int i;
for(i = 0 ; i < t->total; i++, td++) {
if (td->flag & TD_NOACTION)
break;
if (td->loc==NULL)
break;
if (td->flag & TD_SKIP)
continue;
eve = td->extra;
if(eve) {
eve->co[0]= -td->loc[0];
eve->co[1]= td->loc[1];
eve->co[2]= td->loc[2];
}
}
}
/* called for updating while transform acts, once per redraw */
void recalcData(TransInfo *t)
{
Scene *scene = t->scene;
Base *base;
#if 0 // TRANSFORM_FIX_ME
if (t->spacetype == SPACE_ACTION) {
Object *ob= OBACT;
void *data;
short context;
/* determine what type of data we are operating on */
data = get_action_context(&context);
if (data == NULL) return;
/* always flush data if gpencil context */
if (context == ACTCONT_GPENCIL) {
flushTransGPactionData(t);
}
if (G.saction->lock) {
if (context == ACTCONT_ACTION) {
if(ob) {
ob->ctime= -1234567.0f;
if(ob->pose || ob_get_key(ob))
DAG_object_flush_update(G.scene, ob, OB_RECALC);
else
DAG_object_flush_update(G.scene, ob, OB_RECALC_OB);
}
}
else if (context == ACTCONT_SHAPEKEY) {
DAG_object_flush_update(G.scene, OBACT, OB_RECALC_OB|OB_RECALC_DATA);
}
}
}
else if (t->spacetype == SPACE_NLA) {
if (G.snla->lock) {
for (base=G.scene->base.first; base; base=base->next) {
if (base->flag & BA_HAS_RECALC_OB)
base->object->recalc |= OB_RECALC_OB;
if (base->flag & BA_HAS_RECALC_DATA)
base->object->recalc |= OB_RECALC_DATA;
if (base->object->recalc)
base->object->ctime= -1234567.0f; // eveil!
/* recalculate scale of selected nla-strips */
if (base->object->nlastrips.first) {
Object *bob= base->object;
bActionStrip *strip;
for (strip= bob->nlastrips.first; strip; strip= strip->next) {
if (strip->flag & ACTSTRIP_SELECT) {
float actlen= strip->actend - strip->actstart;
float len= strip->end - strip->start;
strip->scale= len / (actlen * strip->repeat);
}
}
}
}
DAG_scene_flush_update(G.scene, screen_view3d_layers(), 0);
}
else {
for (base=G.scene->base.first; base; base=base->next) {
/* recalculate scale of selected nla-strips */
if (base->object && base->object->nlastrips.first) {
Object *bob= base->object;
bActionStrip *strip;
for (strip= bob->nlastrips.first; strip; strip= strip->next) {
if (strip->flag & ACTSTRIP_SELECT) {
float actlen= strip->actend - strip->actstart;
float len= strip->end - strip->start;
/* prevent 'negative' scaling */
if (len < 0) {
SWAP(float, strip->start, strip->end);
len= fabs(len);
}
/* calculate new scale */
strip->scale= len / (actlen * strip->repeat);
}
}
}
}
}
}
#endif
if (t->obedit) {
}
else if(G.f & G_PARTICLEEDIT) {
flushTransParticles(t);
}
if (t->spacetype==SPACE_NODE) {
flushTransNodes(t);
}
else if (t->spacetype==SPACE_SEQ) {
flushTransSeq(t);
}
else if (t->spacetype == SPACE_IPO) {
SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
Scene *scene;
ListBase anim_data = {NULL, NULL};
bAnimContext ac;
int filter;
bAnimListElem *ale;
int dosort = 0;
/* initialise relevant anim-context 'context' data from TransInfo data */
/* NOTE: sync this with the code in ANIM_animdata_get_context() */
memset(&ac, 0, sizeof(bAnimContext));
scene= ac.scene= t->scene;
ac.obact= OBACT;
ac.sa= t->sa;
ac.ar= t->ar;
ac.spacetype= (t->sa)? t->sa->spacetype : 0;
ac.regiontype= (t->ar)? t->ar->regiontype : 0;
ANIM_animdata_context_getdata(&ac);
/* do the flush first */
flushTransGraphData(t);
/* get curves to check if a re-sort is needed */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_FOREDIT | ANIMFILTER_CURVESONLY | ANIMFILTER_CURVEVISIBLE);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* now test if there is a need to re-sort */
for (ale= anim_data.first; ale; ale= ale->next) {
FCurve *fcu= (FCurve *)ale->key_data;
/* watch it: if the time is wrong: do not correct handles yet */
if (test_time_fcurve(fcu))
dosort++;
else
calchandles_fcurve(fcu);
}
/* do resort and other updates? */
if (dosort) remake_graph_transdata(t, &anim_data);
//if (sipo->showkey) update_ipokey_val();
/* now free temp channels */
BLI_freelistN(&anim_data);
/* update realtime - not working? */
if (sipo->lock) {
}
}
else if (t->obedit) {
if ELEM(t->obedit->type, OB_CURVE, OB_SURF) {
Curve *cu= t->obedit->data;
Nurb *nu= cu->editnurb->first;
DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA); /* sets recalc flags */
if (t->state == TRANS_CANCEL) {
while(nu) {
calchandlesNurb(nu); /* Cant do testhandlesNurb here, it messes up the h1 and h2 flags */
nu= nu->next;
}
} else {
/* Normal updating */
while(nu) {
test2DNurb(nu);
calchandlesNurb(nu);
nu= nu->next;
}
/* TRANSFORM_FIX_ME */
// retopo_do_all();
}
}
else if(t->obedit->type==OB_LATTICE) {
Lattice *la= t->obedit->data;
DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA); /* sets recalc flags */
if(la->editlatt->flag & LT_OUTSIDE) outside_lattice(la->editlatt);
}
else if (t->obedit->type == OB_MESH) {
if(t->spacetype==SPACE_IMAGE) {
SpaceImage *sima= t->sa->spacedata.first;
flushTransUVs(t);
if(sima->flag & SI_LIVE_UNWRAP)
ED_uvedit_live_unwrap_re_solve();
DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA);
} else {
EditMesh *em = ((Mesh*)t->obedit->data)->edit_mesh;
/* mirror modifier clipping? */
if(t->state != TRANS_CANCEL) {
/* TRANSFORM_FIX_ME */
// if ((G.qual & LR_CTRLKEY)==0) {
// /* Only retopo if not snapping, Note, this is the only case of G.qual being used, but we have no T_SHIFT_MOD - Campbell */
// retopo_do_all();
// }
clipMirrorModifier(t, t->obedit);
}
if((t->options & CTX_NO_MIRROR) == 0 && (t->flag & T_MIRROR))
editmesh_apply_to_mirror(t);
DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA); /* sets recalc flags */
recalc_editnormals(em);
}
}
else if(t->obedit->type==OB_ARMATURE) { /* no recalc flag, does pose */
bArmature *arm= t->obedit->data;
ListBase *edbo = arm->edbo;
EditBone *ebo;
TransData *td = t->data;
int i;
/* Ensure all bones are correctly adjusted */
for (ebo = edbo->first; ebo; ebo = ebo->next){
if ((ebo->flag & BONE_CONNECTED) && ebo->parent){
/* If this bone has a parent tip that has been moved */
if (ebo->parent->flag & BONE_TIPSEL){
VECCOPY (ebo->head, ebo->parent->tail);
if(t->mode==TFM_BONE_ENVELOPE) ebo->rad_head= ebo->parent->rad_tail;
}
/* If this bone has a parent tip that has NOT been moved */
else{
VECCOPY (ebo->parent->tail, ebo->head);
if(t->mode==TFM_BONE_ENVELOPE) ebo->parent->rad_tail= ebo->rad_head;
}
}
/* on extrude bones, oldlength==0.0f, so we scale radius of points */
ebo->length= VecLenf(ebo->head, ebo->tail);
if(ebo->oldlength==0.0f) {
ebo->rad_head= 0.25f*ebo->length;
ebo->rad_tail= 0.10f*ebo->length;
ebo->dist= 0.25f*ebo->length;
if(ebo->parent) {
if(ebo->rad_head > ebo->parent->rad_tail)
ebo->rad_head= ebo->parent->rad_tail;
}
}
else if(t->mode!=TFM_BONE_ENVELOPE) {
/* if bones change length, lets do that for the deform distance as well */
ebo->dist*= ebo->length/ebo->oldlength;
ebo->rad_head*= ebo->length/ebo->oldlength;
ebo->rad_tail*= ebo->length/ebo->oldlength;
ebo->oldlength= ebo->length;
}
}
if (t->mode != TFM_BONE_ROLL)
{
/* fix roll */
for(i = 0; i < t->total; i++, td++)
{
if (td->extra)
{
float vec[3], up_axis[3];
float qrot[4];
ebo = td->extra;
VECCOPY(up_axis, td->axismtx[2]);
if (t->mode != TFM_ROTATION)
{
VecSubf(vec, ebo->tail, ebo->head);
Normalize(vec);
RotationBetweenVectorsToQuat(qrot, td->axismtx[1], vec);
QuatMulVecf(qrot, up_axis);
}
else
{
Mat3MulVecfl(t->mat, up_axis);
}
ebo->roll = ED_rollBoneToVector(ebo, up_axis);
}
}
}
if(arm->flag & ARM_MIRROR_EDIT)
transform_armature_mirror_update(t->obedit);
}
else
DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA); /* sets recalc flags */
}
else if( (t->flag & T_POSE) && t->poseobj) {
Object *ob= t->poseobj;
bArmature *arm= ob->data;
/* if animtimer is running, and the object already has animation data,
* check if the auto-record feature means that we should record 'samples'
* (i.e. uneditable animation values)
*/
// TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
// TODO: maybe the ob->adt check isn't really needed? makes it too difficult to use...
if (/*(ob->adt) && */(t->animtimer) && IS_AUTOKEY_ON(t->scene)) {
short targetless_ik= (t->flag & T_AUTOIK); // XXX this currently doesn't work, since flags aren't set yet!
autokeyframe_pose_cb_func(t->scene, (View3D *)t->view, ob, t->mode, targetless_ik);
}
/* old optimize trick... this enforces to bypass the depgraph */
if (!(arm->flag & ARM_DELAYDEFORM)) {
DAG_object_flush_update(scene, ob, OB_RECALC_DATA); /* sets recalc flags */
}
else
where_is_pose(scene, ob);
}
else {
for(base= FIRSTBASE; base; base= base->next) {
Object *ob= base->object;
/* this flag is from depgraph, was stored in initialize phase, handled in drawview.c */
if(base->flag & BA_HAS_RECALC_OB)
ob->recalc |= OB_RECALC_OB;
if(base->flag & BA_HAS_RECALC_DATA)
ob->recalc |= OB_RECALC_DATA;
/* if object/base is selected */
if ((base->flag & SELECT) || (ob->flag & SELECT)) {
/* if animtimer is running, and the object already has animation data,
* check if the auto-record feature means that we should record 'samples'
* (i.e. uneditable animation values)
*/
// TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
// TODO: maybe the ob->adt check isn't really needed? makes it too difficult to use...
if (/*(ob->adt) && */(t->animtimer) && IS_AUTOKEY_ON(t->scene)) {
autokeyframe_ob_cb_func(t->scene, (View3D *)t->view, ob, t->mode);
}
}
/* proxy exception */
if(ob->proxy)
ob->proxy->recalc |= ob->recalc;
if(ob->proxy_group)
group_tag_recalc(ob->proxy_group->dup_group);
}
}
/* update shaded drawmode while transform */
if(t->spacetype==SPACE_VIEW3D && ((View3D*)t->view)->drawtype == OB_SHADED)
reshadeall_displist(t->scene);
}
void drawLine(TransInfo *t, float *center, float *dir, char axis, short options)
{
float v1[3], v2[3], v3[3];
char col[3], col2[3];
if (t->spacetype == SPACE_VIEW3D)
{
View3D *v3d = t->view;
glPushMatrix();
//if(t->obedit) glLoadMatrixf(t->obedit->obmat); // sets opengl viewing
VecCopyf(v3, dir);
VecMulf(v3, v3d->far);
VecSubf(v2, center, v3);
VecAddf(v1, center, v3);
if (options & DRAWLIGHT) {
col[0] = col[1] = col[2] = 220;
}
else {
UI_GetThemeColor3ubv(TH_GRID, col);
}
UI_make_axis_color(col, col2, axis);
glColor3ubv((GLubyte *)col2);
setlinestyle(0);
glBegin(GL_LINE_STRIP);
glVertex3fv(v1);
glVertex3fv(v2);
glEnd();
glPopMatrix();
}
}
void resetTransRestrictions(TransInfo *t)
{
t->flag &= ~T_ALL_RESTRICTIONS;
}
int initTransInfo (bContext *C, TransInfo *t, wmOperator *op, wmEvent *event)
{
Scene *sce = CTX_data_scene(C);
ARegion *ar = CTX_wm_region(C);
ScrArea *sa = CTX_wm_area(C);
Object *obedit = CTX_data_edit_object(C);
/* moving: is shown in drawobject() (transform color) */
// TRANSFORM_FIX_ME
// if(obedit || (t->flag & T_POSE) ) G.moving= G_TRANSFORM_EDIT;
// else if(G.f & G_PARTICLEEDIT) G.moving= G_TRANSFORM_PARTICLE;
// else G.moving= G_TRANSFORM_OBJ;
t->scene = sce;
t->sa = sa;
t->ar = ar;
t->obedit = obedit;
t->data = NULL;
t->ext = NULL;
t->helpline = HLP_NONE;
t->flag = 0;
t->redraw = 1; /* redraw first time */
if (event)
{
t->imval[0] = event->x - t->ar->winrct.xmin;
t->imval[1] = event->y - t->ar->winrct.ymin;
t->event_type = event->type;
}
else
{
t->imval[0] = 0;
t->imval[1] = 0;
}
t->con.imval[0] = t->imval[0];
t->con.imval[1] = t->imval[1];
t->mval[0] = t->imval[0];
t->mval[1] = t->imval[1];
t->transform = NULL;
t->handleEvent = NULL;
t->total = 0;
t->val = 0.0f;
t->vec[0] =
t->vec[1] =
t->vec[2] = 0.0f;
t->center[0] =
t->center[1] =
t->center[2] = 0.0f;
Mat3One(t->mat);
t->spacetype = sa->spacetype;
if(t->spacetype == SPACE_VIEW3D)
{
View3D *v3d = sa->spacedata.first;
t->view = v3d;
t->animtimer= CTX_wm_screen(C)->animtimer;
if(v3d->flag & V3D_ALIGN) t->flag |= T_V3D_ALIGN;
t->around = v3d->around;
if (op && RNA_struct_find_property(op->ptr, "constraint_axis") && RNA_property_is_set(op->ptr, "constraint_orientation"))
{
t->current_orientation = RNA_int_get(op->ptr, "constraint_orientation");
if (t->current_orientation >= V3D_MANIP_CUSTOM + BIF_countTransformOrientation(C) - 1)
{
t->current_orientation = V3D_MANIP_GLOBAL;
}
}
else
{
t->current_orientation = v3d->twmode;
}
}
else if(t->spacetype==SPACE_IMAGE || t->spacetype==SPACE_NODE)
{
// XXX for now, get View2D from the active region
t->view = &ar->v2d;
t->around = ar->v2d.around;
}
else
{
// XXX for now, get View2D from the active region
t->view = &ar->v2d;
t->around = V3D_CENTER;
}
if (op && RNA_struct_find_property(op->ptr, "mirror") && RNA_property_is_set(op->ptr, "mirror"))
{
if (RNA_boolean_get(op->ptr, "mirror"))
{
t->flag |= T_MIRROR;
}
}
// Need stuff to take it from edit mesh or whatnot here
else
{
if (t->obedit && t->obedit->type == OB_MESH && sce->toolsettings->editbutflag & B_MESH_X_MIRROR)
{
t->flag |= T_MIRROR;
}
}
/* setting PET flag */
if (op && RNA_struct_find_property(op->ptr, "proportional") && RNA_property_is_set(op->ptr, "proportional"))
{
switch(RNA_enum_get(op->ptr, "proportional"))
{
case 2: /* XXX connected constant */
t->flag |= T_PROP_CONNECTED;
case 1: /* XXX prop on constant */
t->flag |= T_PROP_EDIT;
break;
}
}
else
{
if ((t->options & CTX_NO_PET) == 0 && (sce->proportional)) {
t->flag |= T_PROP_EDIT;
if(sce->proportional == 2)
t->flag |= T_PROP_CONNECTED; // yes i know, has to become define
}
}
if (op && RNA_struct_find_property(op->ptr, "proportional_size") && RNA_property_is_set(op->ptr, "proportional_size"))
{
t->prop_size = RNA_float_get(op->ptr, "proportional_size");
}
else
{
t->prop_size = sce->toolsettings->proportional_size;
}
if (op && RNA_struct_find_property(op->ptr, "proportional_editing_falloff") && RNA_property_is_set(op->ptr, "proportional_editing_falloff"))
{
t->prop_mode = RNA_enum_get(op->ptr, "proportional_editing_falloff");
}
else
{
t->prop_mode = sce->prop_mode;
}
/* TRANSFORM_FIX_ME rna restrictions */
if (t->prop_size <= 0)
{
t->prop_size = 1.0f;
}
setTransformViewMatrices(t);
initNumInput(&t->num);
initNDofInput(&t->ndof);
return 1;
}
/* Here I would suggest only TransInfo related issues, like free data & reset vars. Not redraws */
void postTrans (TransInfo *t)
{
TransData *td;
if (t->draw_handle)
{
ED_region_draw_cb_exit(t->ar->type, t->draw_handle);
}
/* postTrans can be called when nothing is selected, so data is NULL already */
if (t->data) {
int a;
/* since ipokeys are optional on objects, we mallocced them per trans-data */
for(a=0, td= t->data; a<t->total; a++, td++) {
if(td->tdi) MEM_freeN(td->tdi);
if (td->flag & TD_BEZTRIPLE) MEM_freeN(td->hdata);
}
MEM_freeN(t->data);
}
if (t->ext) MEM_freeN(t->ext);
if (t->data2d) {
MEM_freeN(t->data2d);
t->data2d= NULL;
}
if(t->spacetype==SPACE_IMAGE) {
SpaceImage *sima= t->sa->spacedata.first;
if(sima->flag & SI_LIVE_UNWRAP)
ED_uvedit_live_unwrap_end(t->state == TRANS_CANCEL);
}
else if(t->spacetype==SPACE_ACTION) {
if (t->customData)
MEM_freeN(t->customData);
}
}
void applyTransObjects(TransInfo *t)
{
TransData *td;
for (td = t->data; td < t->data + t->total; td++) {
VECCOPY(td->iloc, td->loc);
if (td->ext->rot) {
VECCOPY(td->ext->irot, td->ext->rot);
}
if (td->ext->size) {
VECCOPY(td->ext->isize, td->ext->size);
}
}
recalcData(t);
}
/* helper for below */
static void restore_ipokey(float *poin, float *old)
{
if(poin) {
poin[0]= old[0];
poin[-3]= old[3];
poin[3]= old[6];
}
}
static void restoreElement(TransData *td) {
/* TransData for crease has no loc */
if (td->loc) {
VECCOPY(td->loc, td->iloc);
}
if (td->val) {
*td->val = td->ival;
}
if (td->ext && (td->flag&TD_NO_EXT)==0) {
if (td->ext->rot) {
VECCOPY(td->ext->rot, td->ext->irot);
}
if (td->ext->size) {
VECCOPY(td->ext->size, td->ext->isize);
}
if(td->flag & TD_USEQUAT) {
if (td->ext->quat) {
QUATCOPY(td->ext->quat, td->ext->iquat);
}
}
}
if (td->flag & TD_BEZTRIPLE) {
*(td->hdata->h1) = td->hdata->ih1;
*(td->hdata->h2) = td->hdata->ih2;
}
if(td->tdi) {
TransDataIpokey *tdi= td->tdi;
restore_ipokey(tdi->locx, tdi->oldloc);
restore_ipokey(tdi->locy, tdi->oldloc+1);
restore_ipokey(tdi->locz, tdi->oldloc+2);
restore_ipokey(tdi->rotx, tdi->oldrot);
restore_ipokey(tdi->roty, tdi->oldrot+1);
restore_ipokey(tdi->rotz, tdi->oldrot+2);
restore_ipokey(tdi->sizex, tdi->oldsize);
restore_ipokey(tdi->sizey, tdi->oldsize+1);
restore_ipokey(tdi->sizez, tdi->oldsize+2);
}
}
void restoreTransObjects(TransInfo *t)
{
TransData *td;
for (td = t->data; td < t->data + t->total; td++) {
restoreElement(td);
}
Mat3One(t->mat);
recalcData(t);
}
void calculateCenter2D(TransInfo *t)
{
if (t->flag & (T_EDIT|T_POSE)) {
Object *ob= t->obedit?t->obedit:t->poseobj;
float vec[3];
VECCOPY(vec, t->center);
Mat4MulVecfl(ob->obmat, vec);
projectIntView(t, vec, t->center2d);
}
else {
projectIntView(t, t->center, t->center2d);
}
}
void calculateCenterCursor(TransInfo *t)
{
float *cursor;
cursor = give_cursor(t->scene, t->view);
VECCOPY(t->center, cursor);
/* If edit or pose mode, move cursor in local space */
if (t->flag & (T_EDIT|T_POSE)) {
Object *ob = t->obedit?t->obedit:t->poseobj;
float mat[3][3], imat[3][3];
VecSubf(t->center, t->center, ob->obmat[3]);
Mat3CpyMat4(mat, ob->obmat);
Mat3Inv(imat, mat);
Mat3MulVecfl(imat, t->center);
}
calculateCenter2D(t);
}
void calculateCenterCursor2D(TransInfo *t)
{
View2D *v2d= t->view;
float aspx=1.0, aspy=1.0;
if(t->spacetype==SPACE_IMAGE) /* only space supported right now but may change */
ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
if (v2d) {
t->center[0] = v2d->cursor[0] * aspx;
t->center[1] = v2d->cursor[1] * aspy;
}
calculateCenter2D(t);
}
void calculateCenterMedian(TransInfo *t)
{
float partial[3] = {0.0f, 0.0f, 0.0f};
int total = 0;
int i;
for(i = 0; i < t->total; i++) {
if (t->data[i].flag & TD_SELECTED) {
if (!(t->data[i].flag & TD_NOCENTER))
{
VecAddf(partial, partial, t->data[i].center);
total++;
}
}
else {
/*
All the selected elements are at the head of the array
which means we can stop when it finds unselected data
*/
break;
}
}
if(i)
VecMulf(partial, 1.0f / total);
VECCOPY(t->center, partial);
calculateCenter2D(t);
}
void calculateCenterBound(TransInfo *t)
{
float max[3];
float min[3];
int i;
for(i = 0; i < t->total; i++) {
if (i) {
if (t->data[i].flag & TD_SELECTED) {
if (!(t->data[i].flag & TD_NOCENTER))
MinMax3(min, max, t->data[i].center);
}
else {
/*
All the selected elements are at the head of the array
which means we can stop when it finds unselected data
*/
break;
}
}
else {
VECCOPY(max, t->data[i].center);
VECCOPY(min, t->data[i].center);
}
}
VecAddf(t->center, min, max);
VecMulf(t->center, 0.5);
calculateCenter2D(t);
}
void calculateCenter(TransInfo *t)
{
switch(t->around) {
case V3D_CENTER:
calculateCenterBound(t);
break;
case V3D_CENTROID:
calculateCenterMedian(t);
break;
case V3D_CURSOR:
if(t->spacetype==SPACE_IMAGE)
calculateCenterCursor2D(t);
else
calculateCenterCursor(t);
break;
case V3D_LOCAL:
/* Individual element center uses median center for helpline and such */
calculateCenterMedian(t);
break;
case V3D_ACTIVE:
{
/* set median, and if if if... do object center */
#if 0 // TRANSFORM_FIX_ME
EditSelection ese;
/* EDIT MODE ACTIVE EDITMODE ELEMENT */
if (t->obedit && t->obedit->type == OB_MESH && EM_get_actSelection(&ese)) {
EM_editselection_center(t->center, &ese);
calculateCenter2D(t);
break;
} /* END EDIT MODE ACTIVE ELEMENT */
#endif
calculateCenterMedian(t);
if((t->flag & (T_EDIT|T_POSE))==0)
{
Scene *scene = t->scene;
Object *ob= OBACT;
if(ob)
{
VECCOPY(t->center, ob->obmat[3]);
projectIntView(t, t->center, t->center2d);
}
}
}
}
/* setting constraint center */
VECCOPY(t->con.center, t->center);
if(t->flag & (T_EDIT|T_POSE))
{
Object *ob= t->obedit?t->obedit:t->poseobj;
Mat4MulVecfl(ob->obmat, t->con.center);
}
/* voor panning from cameraview */
if(t->flag & T_OBJECT)
{
if(t->spacetype==SPACE_VIEW3D)
{
View3D *v3d = t->view;
Scene *scene = t->scene;
RegionView3D *rv3d = t->ar->regiondata;
if(v3d->camera == OBACT && rv3d->persp==V3D_CAMOB)
{
float axis[3];
/* persinv is nasty, use viewinv instead, always right */
VECCOPY(axis, t->viewinv[2]);
Normalize(axis);
/* 6.0 = 6 grid units */
axis[0]= t->center[0]- 6.0f*axis[0];
axis[1]= t->center[1]- 6.0f*axis[1];
axis[2]= t->center[2]- 6.0f*axis[2];
projectIntView(t, axis, t->center2d);
/* rotate only needs correct 2d center, grab needs initgrabz() value */
if(t->mode==TFM_TRANSLATION)
{
VECCOPY(t->center, axis);
VECCOPY(t->con.center, t->center);
}
}
}
}
if(t->spacetype==SPACE_VIEW3D)
{
/* initgrabz() defines a factor for perspective depth correction, used in window_to_3d_delta() */
if(t->flag & (T_EDIT|T_POSE)) {
Object *ob= t->obedit?t->obedit:t->poseobj;
float vec[3];
VECCOPY(vec, t->center);
Mat4MulVecfl(ob->obmat, vec);
initgrabz(t->ar->regiondata, vec[0], vec[1], vec[2]);
}
else {
initgrabz(t->ar->regiondata, t->center[0], t->center[1], t->center[2]);
}
}
}
void calculatePropRatio(TransInfo *t)
{
TransData *td = t->data;
int i;
float dist;
short connected = t->flag & T_PROP_CONNECTED;
if (t->flag & T_PROP_EDIT) {
for(i = 0 ; i < t->total; i++, td++) {
if (td->flag & TD_SELECTED) {
td->factor = 1.0f;
}
else if ((connected &&
(td->flag & TD_NOTCONNECTED || td->dist > t->prop_size))
||
(connected == 0 &&
td->rdist > t->prop_size)) {
/*
The elements are sorted according to their dist member in the array,
that means we can stop when it finds one element outside of the propsize.
*/
td->flag |= TD_NOACTION;
td->factor = 0.0f;
restoreElement(td);
}
else {
/* Use rdist for falloff calculations, it is the real distance */
td->flag &= ~TD_NOACTION;
dist= (t->prop_size-td->rdist)/t->prop_size;
/*
* Clamp to positive numbers.
* Certain corner cases with connectivity and individual centers
* can give values of rdist larger than propsize.
*/
if (dist < 0.0f)
dist = 0.0f;
switch(t->prop_mode) {
case PROP_SHARP:
td->factor= dist*dist;
break;
case PROP_SMOOTH:
td->factor= 3.0f*dist*dist - 2.0f*dist*dist*dist;
break;
case PROP_ROOT:
td->factor = (float)sqrt(dist);
break;
case PROP_LIN:
td->factor = dist;
break;
case PROP_CONST:
td->factor = 1.0f;
break;
case PROP_SPHERE:
td->factor = (float)sqrt(2*dist - dist * dist);
break;
case PROP_RANDOM:
BLI_srand( BLI_rand() ); /* random seed */
td->factor = BLI_frand()*dist;
break;
default:
td->factor = 1;
}
}
}
switch(t->prop_mode) {
case PROP_SHARP:
strcpy(t->proptext, "(Sharp)");
break;
case PROP_SMOOTH:
strcpy(t->proptext, "(Smooth)");
break;
case PROP_ROOT:
strcpy(t->proptext, "(Root)");
break;
case PROP_LIN:
strcpy(t->proptext, "(Linear)");
break;
case PROP_CONST:
strcpy(t->proptext, "(Constant)");
break;
case PROP_SPHERE:
strcpy(t->proptext, "(Sphere)");
break;
case PROP_RANDOM:
strcpy(t->proptext, "(Random)");
break;
default:
strcpy(t->proptext, "");
}
}
else {
for(i = 0 ; i < t->total; i++, td++) {
td->factor = 1.0;
}
strcpy(t->proptext, "");
}
}
TransInfo *BIF_GetTransInfo()
{
return NULL;
}
float get_drawsize(ARegion *ar, float *co)
{
RegionView3D *rv3d= ar->regiondata;
float size, vec[3], len1, len2;
/* size calculus, depending ortho/persp settings, like initgrabz() */
size= rv3d->persmat[0][3]*co[0]+ rv3d->persmat[1][3]*co[1]+ rv3d->persmat[2][3]*co[2]+ rv3d->persmat[3][3];
VECCOPY(vec, rv3d->persinv[0]);
len1= Normalize(vec);
VECCOPY(vec, rv3d->persinv[1]);
len2= Normalize(vec);
size*= 0.01f*(len1>len2?len1:len2);
/* correct for window size to make widgets appear fixed size */
if(ar->winx > ar->winy) size*= 1000.0f/(float)ar->winx;
else size*= 1000.0f/(float)ar->winy;
return size;
}
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