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88aa056d1ac5155b8fa20fb36598c84837bccfc2
blender-archive/source/blender/editors/transform/transform_convert.c
Germano Cavalcante 8b8c3c34dd Fix T88900: Crash when setting Edge Weight/Crease 
The `recalcData` of "convert_mesh_edge" did more
than it was supposed to.
2021-06-07 07:52:34 -03:00

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/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup edtransform
*/
#include "DNA_anim_types.h"
#include "DNA_constraint_types.h"
#include "DNA_mesh_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_kdtree.h"
#include "BLI_linklist_stack.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BKE_action.h"
#include "BKE_anim_data.h"
#include "BKE_context.h"
#include "BKE_fcurve.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_layer.h"
#include "BKE_lib_id.h"
#include "BKE_main.h"
#include "BKE_modifier.h"
#include "BKE_nla.h"
#include "BKE_scene.h"
#include "ED_keyframes_edit.h"
#include "ED_keyframing.h"
#include "ED_particle.h"
#include "ED_screen.h"
#include "ED_screen_types.h"
#include "UI_view2d.h"
#include "WM_types.h"
#include "DEG_depsgraph_build.h"
#include "transform.h"
#include "transform_snap.h"
/* Own include. */
#include "transform_convert.h"
bool transform_mode_use_local_origins(const TransInfo *t)
{
return ELEM(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL);
}
/**
* Transforming around ourselves is no use, fallback to individual origins,
* useful for curve/armatures.
*/
void transform_around_single_fallback_ex(TransInfo *t, int data_len_all)
{
if (data_len_all != 1) {
return;
}
if (!ELEM(t->around, V3D_AROUND_CENTER_BOUNDS, V3D_AROUND_CENTER_MEDIAN, V3D_AROUND_ACTIVE)) {
return;
}
if (!transform_mode_use_local_origins(t)) {
return;
}
if (t->flag & T_OVERRIDE_CENTER) {
return;
}
t->around = V3D_AROUND_LOCAL_ORIGINS;
}
void transform_around_single_fallback(TransInfo *t)
{
transform_around_single_fallback_ex(t, t->data_len_all);
}
/* -------------------------------------------------------------------- */
/** \name Proportional Editing
* \{ */
static int trans_data_compare_dist(const void *a, const void *b)
{
const TransData *td_a = (const TransData *)a;
const TransData *td_b = (const TransData *)b;
if (td_a->dist < td_b->dist) {
return -1;
}
if (td_a->dist > td_b->dist) {
return 1;
}
return 0;
}
static int trans_data_compare_rdist(const void *a, const void *b)
{
const TransData *td_a = (const TransData *)a;
const TransData *td_b = (const TransData *)b;
if (td_a->rdist < td_b->rdist) {
return -1;
}
if (td_a->rdist > td_b->rdist) {
return 1;
}
return 0;
}
static void sort_trans_data_dist_container(const TransInfo *t, TransDataContainer *tc)
{
TransData *start = tc->data;
int i;
for (i = 0; i < tc->data_len && start->flag & TD_SELECTED; i++) {
start++;
}
if (i < tc->data_len) {
if (t->flag & T_PROP_CONNECTED) {
qsort(start, (size_t)tc->data_len - i, sizeof(TransData), trans_data_compare_dist);
}
else {
qsort(start, (size_t)tc->data_len - i, sizeof(TransData), trans_data_compare_rdist);
}
}
}
void sort_trans_data_dist(TransInfo *t)
{
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
sort_trans_data_dist_container(t, tc);
}
}
/**
* Make #TD_SELECTED first in the array.
*/
static void sort_trans_data_selected_first_container(TransDataContainer *tc)
{
TransData *sel, *unsel;
TransData temp;
unsel = tc->data;
sel = &tc->data[tc->data_len - 1];
while (sel > unsel) {
while (unsel->flag & TD_SELECTED) {
unsel++;
if (unsel == sel) {
return;
}
}
while (!(sel->flag & TD_SELECTED)) {
sel--;
if (unsel == sel) {
return;
}
}
temp = *unsel;
*unsel = *sel;
*sel = temp;
sel--;
unsel++;
}
}
static void sort_trans_data_selected_first(TransInfo *t)
{
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
sort_trans_data_selected_first_container(tc);
}
}
/**
* Distance calculated from not-selected vertex to nearest selected vertex.
*/
static void set_prop_dist(TransInfo *t, const bool with_dist)
{
int a;
float _proj_vec[3];
const float *proj_vec = NULL;
/* support for face-islands */
const bool use_island = transdata_check_local_islands(t, t->around);
if (t->flag & T_PROP_PROJECTED) {
if (t->spacetype == SPACE_VIEW3D && t->region && t->region->regiontype == RGN_TYPE_WINDOW) {
RegionView3D *rv3d = t->region->regiondata;
normalize_v3_v3(_proj_vec, rv3d->viewinv[2]);
proj_vec = _proj_vec;
}
}
/* Count number of selected. */
int td_table_len = 0;
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
TransData *td = tc->data;
for (a = 0; a < tc->data_len; a++, td++) {
if (td->flag & TD_SELECTED) {
td_table_len++;
}
else {
/* By definition transform-data has selected items in beginning. */
break;
}
}
}
/* Pointers to selected's #TransData.
* Used to find #TransData from the index returned by #BLI_kdtree_find_nearest. */
TransData **td_table = MEM_mallocN(sizeof(*td_table) * td_table_len, __func__);
/* Create and fill kd-tree of selected's positions - in global or proj_vec space. */
KDTree_3d *td_tree = BLI_kdtree_3d_new(td_table_len);
int td_table_index = 0;
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
TransData *td = tc->data;
for (a = 0; a < tc->data_len; a++, td++) {
if (td->flag & TD_SELECTED) {
/* Initialize, it was mallocced. */
float vec[3];
td->rdist = 0.0f;
if (use_island) {
if (tc->use_local_mat) {
mul_v3_m4v3(vec, tc->mat, td->iloc);
}
else {
mul_v3_m3v3(vec, td->mtx, td->iloc);
}
}
else {
if (tc->use_local_mat) {
mul_v3_m4v3(vec, tc->mat, td->center);
}
else {
mul_v3_m3v3(vec, td->mtx, td->center);
}
}
if (proj_vec) {
float vec_p[3];
project_v3_v3v3(vec_p, vec, proj_vec);
sub_v3_v3(vec, vec_p);
}
BLI_kdtree_3d_insert(td_tree, td_table_index, vec);
td_table[td_table_index++] = td;
}
else {
/* By definition transform-data has selected items in beginning. */
break;
}
}
}
BLI_assert(td_table_index == td_table_len);
BLI_kdtree_3d_balance(td_tree);
/* For each non-selected vertex, find distance to the nearest selected vertex. */
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
TransData *td = tc->data;
for (a = 0; a < tc->data_len; a++, td++) {
if ((td->flag & TD_SELECTED) == 0) {
float vec[3];
if (use_island) {
if (tc->use_local_mat) {
mul_v3_m4v3(vec, tc->mat, td->iloc);
}
else {
mul_v3_m3v3(vec, td->mtx, td->iloc);
}
}
else {
if (tc->use_local_mat) {
mul_v3_m4v3(vec, tc->mat, td->center);
}
else {
mul_v3_m3v3(vec, td->mtx, td->center);
}
}
if (proj_vec) {
float vec_p[3];
project_v3_v3v3(vec_p, vec, proj_vec);
sub_v3_v3(vec, vec_p);
}
KDTreeNearest_3d nearest;
const int td_index = BLI_kdtree_3d_find_nearest(td_tree, vec, &nearest);
td->rdist = -1.0f;
if (td_index != -1) {
td->rdist = nearest.dist;
if (use_island) {
copy_v3_v3(td->center, td_table[td_index]->center);
copy_m3_m3(td->axismtx, td_table[td_index]->axismtx);
}
}
if (with_dist) {
td->dist = td->rdist;
}
}
}
}
BLI_kdtree_3d_free(td_tree);
MEM_freeN(td_table);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Pose Mode (Auto-IK)
* \{ */
/* adjust pose-channel's auto-ik chainlen */
static bool pchan_autoik_adjust(bPoseChannel *pchan, short chainlen)
{
bConstraint *con;
bool changed = false;
/* don't bother to search if no valid constraints */
if ((pchan->constflag & (PCHAN_HAS_IK | PCHAN_HAS_TARGET)) == 0) {
return changed;
}
/* check if pchan has ik-constraint */
for (con = pchan->constraints.first; con; con = con->next) {
if (con->type == CONSTRAINT_TYPE_KINEMATIC && (con->enforce != 0.0f)) {
bKinematicConstraint *data = con->data;
/* only accept if a temporary one (for auto-ik) */
if (data->flag & CONSTRAINT_IK_TEMP) {
/* chainlen is new chainlen, but is limited by maximum chainlen */
const int old_rootbone = data->rootbone;
if ((chainlen == 0) || (chainlen > data->max_rootbone)) {
data->rootbone = data->max_rootbone;
}
else {
data->rootbone = chainlen;
}
changed |= (data->rootbone != old_rootbone);
}
}
}
return changed;
}
/* change the chain-length of auto-ik */
void transform_autoik_update(TransInfo *t, short mode)
{
Main *bmain = CTX_data_main(t->context);
short *chainlen = &t->settings->autoik_chainlen;
bPoseChannel *pchan;
/* mode determines what change to apply to chainlen */
if (mode == 1) {
/* mode=1 is from WHEELMOUSEDOWN... increases len */
(*chainlen)++;
}
else if (mode == -1) {
/* mode==-1 is from WHEELMOUSEUP... decreases len */
if (*chainlen > 0) {
(*chainlen)--;
}
else {
/* IK length did not change, skip updates. */
return;
}
}
/* apply to all pose-channels */
bool changed = false;
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
/* sanity checks (don't assume t->poseobj is set, or that it is an armature) */
if (ELEM(NULL, tc->poseobj, tc->poseobj->pose)) {
continue;
}
for (pchan = tc->poseobj->pose->chanbase.first; pchan; pchan = pchan->next) {
changed |= pchan_autoik_adjust(pchan, *chainlen);
}
}
if (changed) {
/* TODO(sergey): Consider doing partial update only. */
DEG_relations_tag_update(bmain);
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Curve Surface
* \{ */
void calc_distanceCurveVerts(TransData *head, TransData *tail, bool cyclic)
{
TransData *td;
BLI_LINKSTACK_DECLARE(queue, TransData *);
BLI_LINKSTACK_INIT(queue);
for (td = head; td <= tail; td++) {
if (td->flag & TD_SELECTED) {
td->dist = 0.0f;
BLI_LINKSTACK_PUSH(queue, td);
}
else {
td->dist = FLT_MAX;
}
}
while ((td = BLI_LINKSTACK_POP(queue))) {
float dist;
float vec[3];
TransData *next_td = NULL;
if (td + 1 <= tail) {
next_td = td + 1;
}
else if (cyclic) {
next_td = head;
}
if (next_td != NULL && !(next_td->flag & TD_NOTCONNECTED)) {
sub_v3_v3v3(vec, next_td->center, td->center);
mul_m3_v3(head->mtx, vec);
dist = len_v3(vec) + td->dist;
if (dist < next_td->dist) {
next_td->dist = dist;
BLI_LINKSTACK_PUSH(queue, next_td);
}
}
next_td = NULL;
if (td - 1 >= head) {
next_td = td - 1;
}
else if (cyclic) {
next_td = tail;
}
if (next_td != NULL && !(next_td->flag & TD_NOTCONNECTED)) {
sub_v3_v3v3(vec, next_td->center, td->center);
mul_m3_v3(head->mtx, vec);
dist = len_v3(vec) + td->dist;
if (dist < next_td->dist) {
next_td->dist = dist;
BLI_LINKSTACK_PUSH(queue, next_td);
}
}
}
BLI_LINKSTACK_FREE(queue);
}
/* Utility function for getting the handle data from bezier's */
TransDataCurveHandleFlags *initTransDataCurveHandles(TransData *td, struct BezTriple *bezt)
{
TransDataCurveHandleFlags *hdata;
td->flag |= TD_BEZTRIPLE;
hdata = td->hdata = MEM_mallocN(sizeof(TransDataCurveHandleFlags), "CuHandle Data");
hdata->ih1 = bezt->h1;
hdata->h1 = &bezt->h1;
hdata->ih2 = bezt->h2; /* in case the second is not selected */
hdata->h2 = &bezt->h2;
return hdata;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name UV Coordinates
* \{ */
bool clipUVTransform(TransInfo *t, float vec[2], const bool resize)
{
bool clipx = true, clipy = true;
float min[2], max[2];
/* Check if the current image in UV editor is a tiled image or not. */
const SpaceImage *sima = t->area->spacedata.first;
const Image *image = sima->image;
const bool is_tiled_image = image && (image->source == IMA_SRC_TILED);
/* Stores the coordinates of the closest UDIM tile.
* Also acts as an offset to the tile from the origin of UV space. */
float base_offset[2] = {0.0f, 0.0f};
/* If tiled image then constrain to correct/closest UDIM tile, else 0-1 UV space. */
if (is_tiled_image) {
int nearest_tile_index = BKE_image_find_nearest_tile(image, t->center_global);
if (nearest_tile_index != -1) {
nearest_tile_index -= 1001;
/* Getting coordinates of nearest tile from the tile index. */
base_offset[0] = nearest_tile_index % 10;
base_offset[1] = nearest_tile_index / 10;
}
}
min[0] = min[1] = FLT_MAX;
max[0] = max[1] = FLT_MIN;
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
TransData *td;
int a;
for (a = 0, td = tc->data; a < tc->data_len; a++, td++) {
minmax_v2v2_v2(min, max, td->loc);
}
}
if (resize) {
if (min[0] < base_offset[0] && t->center_global[0] > base_offset[0] &&
t->center_global[0] < base_offset[0] + (t->aspect[0] * 0.5f)) {
vec[0] *= (t->center_global[0] - base_offset[0]) / (t->center_global[0] - min[0]);
}
else if (max[0] > (base_offset[0] + t->aspect[0]) &&
t->center_global[0] < (base_offset[0] + t->aspect[0])) {
vec[0] *= (t->center_global[0] - (base_offset[0] + t->aspect[0])) /
(t->center_global[0] - max[0]);
}
else {
clipx = 0;
}
if (min[1] < base_offset[1] && t->center_global[1] > base_offset[1] &&
t->center_global[1] < base_offset[1] + (t->aspect[1] * 0.5f)) {
vec[1] *= (t->center_global[1] - base_offset[1]) / (t->center_global[1] - min[1]);
}
else if (max[1] > (base_offset[1] + t->aspect[1]) &&
t->center_global[1] < (base_offset[1] + t->aspect[1])) {
vec[1] *= (t->center_global[1] - (base_offset[1] + t->aspect[1])) /
(t->center_global[1] - max[1]);
}
else {
clipy = 0;
}
}
else {
if (min[0] < base_offset[0]) {
vec[0] += base_offset[0] - min[0];
}
else if (max[0] > base_offset[0] + t->aspect[0]) {
vec[0] -= max[0] - base_offset[0] - t->aspect[0];
}
else {
clipx = 0;
}
if (min[1] < base_offset[1]) {
vec[1] += base_offset[1] - min[1];
}
else if (max[1] > base_offset[1] + t->aspect[1]) {
vec[1] -= max[1] - base_offset[1] - t->aspect[1];
}
else {
clipy = 0;
}
}
return (clipx || clipy);
}
void clipUVData(TransInfo *t)
{
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
TransData *td = tc->data;
for (int a = 0; a < tc->data_len; a++, td++) {
if ((td->flag & TD_SKIP) || (!td->loc)) {
continue;
}
td->loc[0] = min_ff(max_ff(0.0f, td->loc[0]), t->aspect[0]);
td->loc[1] = min_ff(max_ff(0.0f, td->loc[1]), t->aspect[1]);
}
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Animation Editors (General)
* \{ */
/**
* Used for `TFM_TIME_EXTEND`.
*/
char transform_convert_frame_side_dir_get(TransInfo *t, float cframe)
{
char r_dir;
float center[2];
if (t->flag & T_MODAL) {
UI_view2d_region_to_view(
(View2D *)t->view, t->mouse.imval[0], t->mouse.imval[1], &center[0], &center[1]);
r_dir = (center[0] > cframe) ? 'R' : 'L';
{
/* XXX: This saves the direction in the "mirror" property to be used for redo! */
if (r_dir == 'R') {
t->flag |= T_NO_MIRROR;
}
}
}
else {
r_dir = (t->flag & T_NO_MIRROR) ? 'R' : 'L';
}
return r_dir;
}
/* This function tests if a point is on the "mouse" side of the cursor/frame-marking */
bool FrameOnMouseSide(char side, float frame, float cframe)
{
/* both sides, so it doesn't matter */
if (side == 'B') {
return true;
}
/* only on the named side */
if (side == 'R') {
return (frame >= cframe);
}
return (frame <= cframe);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Animation Editor
* \{ */
/* Time + Average value */
typedef struct tRetainedKeyframe {
struct tRetainedKeyframe *next, *prev;
float frame; /* frame to cluster around */
float val; /* average value */
size_t tot_count; /* number of keyframes that have been averaged */
size_t del_count; /* number of keyframes of this sort that have been deleted so far */
} tRetainedKeyframe;
/**
* Called during special_aftertrans_update to make sure selected keyframes replace
* any other keyframes which may reside on that frame (that is not selected).
*
* \param sel_flag: The flag (bezt.f1/2/3) value to use to determine selection. Usually `SELECT`,
* but may want to use a different one at times (if caller does not operate on
* selection).
*/
void posttrans_fcurve_clean(FCurve *fcu, const int sel_flag, const bool use_handle)
{
/* NOTE: We assume that all keys are sorted */
ListBase retained_keys = {NULL, NULL};
const bool can_average_points = ((fcu->flag & (FCURVE_INT_VALUES | FCURVE_DISCRETE_VALUES)) ==
0);
/* sanity checks */
if ((fcu->totvert == 0) || (fcu->bezt == NULL)) {
return;
}
/* 1) Identify selected keyframes, and average the values on those
* in case there are collisions due to multiple keys getting scaled
* to all end up on the same frame
*/
for (int i = 0; i < fcu->totvert; i++) {
BezTriple *bezt = &fcu->bezt[i];
if (BEZT_ISSEL_ANY(bezt)) {
bool found = false;
/* If there's another selected frame here, merge it */
for (tRetainedKeyframe *rk = retained_keys.last; rk; rk = rk->prev) {
if (IS_EQT(rk->frame, bezt->vec[1][0], BEZT_BINARYSEARCH_THRESH)) {
rk->val += bezt->vec[1][1];
rk->tot_count++;
found = true;
break;
}
if (rk->frame < bezt->vec[1][0]) {
/* Terminate early if have passed the supposed insertion point? */
break;
}
}
/* If nothing found yet, create a new one */
if (found == false) {
tRetainedKeyframe *rk = MEM_callocN(sizeof(tRetainedKeyframe), "tRetainedKeyframe");
rk->frame = bezt->vec[1][0];
rk->val = bezt->vec[1][1];
rk->tot_count = 1;
BLI_addtail(&retained_keys, rk);
}
}
}
if (BLI_listbase_is_empty(&retained_keys)) {
/* This may happen if none of the points were selected... */
if (G.debug & G_DEBUG) {
printf("%s: nothing to do for FCurve %p (rna_path = '%s')\n", __func__, fcu, fcu->rna_path);
}
return;
}
/* Compute the average values for each retained keyframe */
LISTBASE_FOREACH (tRetainedKeyframe *, rk, &retained_keys) {
rk->val = rk->val / (float)rk->tot_count;
}
/* 2) Delete all keyframes duplicating the "retained keys" found above
* - Most of these will be unselected keyframes
* - Some will be selected keyframes though. For those, we only keep the last one
* (or else everything is gone), and replace its value with the averaged value.
*/
for (int i = fcu->totvert - 1; i >= 0; i--) {
BezTriple *bezt = &fcu->bezt[i];
/* Is this keyframe a candidate for deletion? */
/* TODO: Replace loop with an O(1) lookup instead */
for (tRetainedKeyframe *rk = retained_keys.last; rk; rk = rk->prev) {
if (IS_EQT(bezt->vec[1][0], rk->frame, BEZT_BINARYSEARCH_THRESH)) {
/* Selected keys are treated with greater care than unselected ones... */
if (BEZT_ISSEL_ANY(bezt)) {
/* - If this is the last selected key left (based on rk->del_count) ==> UPDATE IT
* (or else we wouldn't have any keyframe left here)
* - Otherwise, there are still other selected keyframes on this frame
* to be merged down still ==> DELETE IT
*/
if (rk->del_count == rk->tot_count - 1) {
/* Update keyframe... */
if (can_average_points) {
/* TODO: update handles too? */
bezt->vec[1][1] = rk->val;
}
}
else {
/* Delete Keyframe */
delete_fcurve_key(fcu, i, 0);
}
/* Update count of how many we've deleted
* - It should only matter that we're doing this for all but the last one
*/
rk->del_count++;
}
else {
/* Always delete - Unselected keys don't matter */
delete_fcurve_key(fcu, i, 0);
}
/* Stop the RK search... we've found our match now */
break;
}
}
}
/* 3) Recalculate handles */
testhandles_fcurve(fcu, sel_flag, use_handle);
/* cleanup */
BLI_freelistN(&retained_keys);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Transform Utilities
* \{ */
/* Little helper function for ObjectToTransData used to give certain
* constraints (ChildOf, FollowPath, and others that may be added)
* inverse corrections for transform, so that they aren't in CrazySpace.
* These particular constraints benefit from this, but others don't, hence
* this semi-hack ;-) - Aligorith
*/
bool constraints_list_needinv(TransInfo *t, ListBase *list)
{
bConstraint *con;
/* loop through constraints, checking if there's one of the mentioned
* constraints needing special crazy-space corrections
*/
if (list) {
for (con = list->first; con; con = con->next) {
/* only consider constraint if it is enabled, and has influence on result */
if ((con->flag & CONSTRAINT_DISABLE) == 0 && (con->enforce != 0.0f)) {
/* (affirmative) returns for specific constraints here... */
/* constraints that require this regardless */
if (ELEM(con->type,
CONSTRAINT_TYPE_FOLLOWPATH,
CONSTRAINT_TYPE_CLAMPTO,
CONSTRAINT_TYPE_ARMATURE,
CONSTRAINT_TYPE_OBJECTSOLVER,
CONSTRAINT_TYPE_FOLLOWTRACK)) {
return true;
}
/* constraints that require this only under special conditions */
if (con->type == CONSTRAINT_TYPE_CHILDOF) {
/* ChildOf constraint only works when using all location components, see T42256. */
bChildOfConstraint *data = (bChildOfConstraint *)con->data;
if ((data->flag & CHILDOF_LOCX) && (data->flag & CHILDOF_LOCY) &&
(data->flag & CHILDOF_LOCZ)) {
return true;
}
}
else if (con->type == CONSTRAINT_TYPE_ROTLIKE) {
/* CopyRot constraint only does this when rotating, and offset is on */
bRotateLikeConstraint *data = (bRotateLikeConstraint *)con->data;
if (ELEM(data->mix_mode, ROTLIKE_MIX_OFFSET, ROTLIKE_MIX_BEFORE) &&
ELEM(t->mode, TFM_ROTATION)) {
return true;
}
}
else if (con->type == CONSTRAINT_TYPE_TRANSLIKE) {
/* Copy Transforms constraint only does this in the Before mode. */
bTransLikeConstraint *data = (bTransLikeConstraint *)con->data;
if (ELEM(data->mix_mode, TRANSLIKE_MIX_BEFORE) &&
ELEM(t->mode, TFM_ROTATION, TFM_TRANSLATION)) {
return true;
}
}
else if (con->type == CONSTRAINT_TYPE_ACTION) {
/* The Action constraint only does this in the Before mode. */
bActionConstraint *data = (bActionConstraint *)con->data;
if (ELEM(data->mix_mode, ACTCON_MIX_BEFORE) &&
ELEM(t->mode, TFM_ROTATION, TFM_TRANSLATION)) {
return true;
}
}
else if (con->type == CONSTRAINT_TYPE_TRANSFORM) {
/* Transform constraint needs it for rotation at least (r.57309),
* but doing so when translating may also mess things up, see: T36203. */
bTransformConstraint *data = (bTransformConstraint *)con->data;
if (data->to == TRANS_ROTATION) {
if (t->mode == TFM_ROTATION && data->mix_mode_rot == TRANS_MIXROT_BEFORE) {
return true;
}
}
}
}
}
}
/* no appropriate candidates found */
return false;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Transform (After-Transform Update)
* \{ */
/* inserting keys, pointcache, redraw events... */
/**
* \note Sequencer freeing has its own function now because of a conflict
* with transform's order of freeing (campbell).
* Order changed, the sequencer stuff should go back in here
*/
void special_aftertrans_update(bContext *C, TransInfo *t)
{
/* early out when nothing happened */
if (t->data_len_all == 0 || t->mode == TFM_DUMMY) {
return;
}
BLI_assert(CTX_data_main(t->context) == CTX_data_main(C));
switch (t->data_type) {
case TC_ACTION_DATA:
special_aftertrans_update__actedit(C, t);
break;
case TC_POSE:
special_aftertrans_update__pose(C, t);
break;
case TC_GRAPH_EDIT_DATA:
special_aftertrans_update__graph(C, t);
break;
case TC_MASKING_DATA:
special_aftertrans_update__mask(C, t);
break;
case TC_MESH_VERTS:
case TC_MESH_EDGES:
special_aftertrans_update__mesh(C, t);
break;
case TC_NLA_DATA:
special_aftertrans_update__nla(C, t);
break;
case TC_NODE_DATA:
special_aftertrans_update__node(C, t);
break;
case TC_OBJECT:
special_aftertrans_update__object(C, t);
break;
case TC_SCULPT:
special_aftertrans_update__sculpt(C, t);
break;
case TC_SEQ_DATA:
special_aftertrans_update__sequencer(C, t);
break;
case TC_TRACKING_DATA:
special_aftertrans_update__movieclip(C, t);
break;
case TC_ARMATURE_VERTS:
case TC_CURSOR_IMAGE:
case TC_CURSOR_VIEW3D:
case TC_CURVE_VERTS:
case TC_GPENCIL:
case TC_LATTICE_VERTS:
case TC_MBALL_VERTS:
case TC_MESH_UV:
case TC_MESH_SKIN:
case TC_OBJECT_TEXSPACE:
case TC_PAINT_CURVE_VERTS:
case TC_PARTICLE_VERTS:
case TC_NONE:
default:
break;
}
}
int special_transform_moving(TransInfo *t)
{
if (t->spacetype == SPACE_SEQ) {
return G_TRANSFORM_SEQ;
}
if (t->spacetype == SPACE_GRAPH) {
return G_TRANSFORM_FCURVES;
}
if ((t->flag & T_EDIT) || (t->options & CTX_POSE_BONE)) {
return G_TRANSFORM_EDIT;
}
if (t->options & (CTX_OBJECT | CTX_TEXTURE_SPACE)) {
return G_TRANSFORM_OBJ;
}
return 0;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Transform Data Create
* \{ */
static int countAndCleanTransDataContainer(TransInfo *t)
{
BLI_assert(ELEM(t->data_len_all, 0, -1));
t->data_len_all = 0;
int data_container_len_orig = t->data_container_len;
for (TransDataContainer *th_end = t->data_container - 1,
*tc = &t->data_container[t->data_container_len - 1];
tc != th_end;
tc--) {
if (tc->data_len == 0) {
uint index = tc - t->data_container;
if (index + 1 != t->data_container_len) {
SWAP(TransDataContainer,
t->data_container[index],
t->data_container[t->data_container_len - 1]);
}
t->data_container_len -= 1;
}
else {
t->data_len_all += tc->data_len;
}
}
if (data_container_len_orig != t->data_container_len) {
t->data_container = MEM_reallocN(t->data_container,
sizeof(*t->data_container) * t->data_container_len);
}
return t->data_len_all;
}
static void init_proportional_edit(TransInfo *t)
{
eTConvertType convert_type = t->data_type;
switch (convert_type) {
case TC_ACTION_DATA:
case TC_CURVE_VERTS:
case TC_GRAPH_EDIT_DATA:
case TC_GPENCIL:
case TC_LATTICE_VERTS:
case TC_MASKING_DATA:
case TC_MBALL_VERTS:
case TC_MESH_VERTS:
case TC_MESH_EDGES:
case TC_MESH_SKIN:
case TC_MESH_UV:
case TC_NODE_DATA:
case TC_OBJECT:
case TC_PARTICLE_VERTS:
break;
case TC_POSE: /* Disable PET, its not usable in pose mode yet T32444. */
case TC_ARMATURE_VERTS:
case TC_CURSOR_IMAGE:
case TC_CURSOR_VIEW3D:
case TC_NLA_DATA:
case TC_OBJECT_TEXSPACE:
case TC_PAINT_CURVE_VERTS:
case TC_SCULPT:
case TC_SEQ_DATA:
case TC_TRACKING_DATA:
case TC_NONE:
default:
t->options |= CTX_NO_PET;
t->flag &= ~T_PROP_EDIT_ALL;
return;
}
if (t->data_len_all && (t->flag & T_PROP_EDIT)) {
if (convert_type == TC_OBJECT) {
/* Selected objects are already first, no need to presort. */
}
else {
sort_trans_data_selected_first(t);
}
if (ELEM(convert_type, TC_ACTION_DATA, TC_GRAPH_EDIT_DATA)) {
/* Distance has already been set. */
}
else if (ELEM(convert_type, TC_MESH_VERTS, TC_MESH_SKIN)) {
if (t->flag & T_PROP_CONNECTED) {
/* Already calculated by transform_convert_mesh_connectivity_distance. */
}
else {
set_prop_dist(t, false);
}
}
else if (convert_type == TC_MESH_UV && t->flag & T_PROP_CONNECTED) {
/* Already calculated by uv_set_connectivity_distance. */
}
else if (convert_type == TC_CURVE_VERTS && t->obedit_type == OB_CURVE) {
set_prop_dist(t, false);
}
else {
set_prop_dist(t, true);
}
sort_trans_data_dist(t);
}
else if (ELEM(t->obedit_type, OB_CURVE)) {
/* Needed because bezier handles can be partially selected
* and are still added into transform data. */
sort_trans_data_selected_first(t);
}
}
/* For multi object editing. */
static void init_TransDataContainers(TransInfo *t,
Object *obact,
Object **objects,
uint objects_len)
{
switch (t->data_type) {
case TC_POSE:
case TC_ARMATURE_VERTS:
case TC_CURVE_VERTS:
case TC_GPENCIL:
case TC_LATTICE_VERTS:
case TC_MBALL_VERTS:
case TC_MESH_VERTS:
case TC_MESH_EDGES:
case TC_MESH_SKIN:
case TC_MESH_UV:
break;
case TC_ACTION_DATA:
case TC_GRAPH_EDIT_DATA:
case TC_CURSOR_IMAGE:
case TC_CURSOR_VIEW3D:
case TC_MASKING_DATA:
case TC_NLA_DATA:
case TC_NODE_DATA:
case TC_OBJECT:
case TC_OBJECT_TEXSPACE:
case TC_PAINT_CURVE_VERTS:
case TC_PARTICLE_VERTS:
case TC_SCULPT:
case TC_SEQ_DATA:
case TC_TRACKING_DATA:
case TC_NONE:
default:
/* Does not support Multi object editing. */
return;
}
const eObjectMode object_mode = obact ? obact->mode : OB_MODE_OBJECT;
const short object_type = obact ? obact->type : -1;
if ((object_mode & OB_MODE_EDIT) || (t->data_type == TC_GPENCIL) ||
((object_mode & OB_MODE_POSE) && (object_type == OB_ARMATURE))) {
if (t->data_container) {
MEM_freeN(t->data_container);
}
bool free_objects = false;
if (objects == NULL) {
objects = BKE_view_layer_array_from_objects_in_mode(
t->view_layer,
(t->spacetype == SPACE_VIEW3D) ? t->view : NULL,
&objects_len,
{
.object_mode = object_mode,
.no_dup_data = true,
});
free_objects = true;
}
t->data_container = MEM_callocN(sizeof(*t->data_container) * objects_len, __func__);
t->data_container_len = objects_len;
for (int i = 0; i < objects_len; i++) {
TransDataContainer *tc = &t->data_container[i];
if (!(t->flag & T_NO_MIRROR) && (objects[i]->type == OB_MESH)) {
tc->use_mirror_axis_x = (((Mesh *)objects[i]->data)->symmetry & ME_SYMMETRY_X) != 0;
tc->use_mirror_axis_y = (((Mesh *)objects[i]->data)->symmetry & ME_SYMMETRY_Y) != 0;
tc->use_mirror_axis_z = (((Mesh *)objects[i]->data)->symmetry & ME_SYMMETRY_Z) != 0;
}
if (object_mode & OB_MODE_EDIT) {
tc->obedit = objects[i];
/* Check needed for UV's */
if ((t->flag & T_2D_EDIT) == 0) {
tc->use_local_mat = true;
}
}
else if (object_mode & OB_MODE_POSE) {
tc->poseobj = objects[i];
tc->use_local_mat = true;
}
else if (t->data_type == TC_GPENCIL) {
tc->use_local_mat = true;
}
if (tc->use_local_mat) {
BLI_assert((t->flag & T_2D_EDIT) == 0);
copy_m4_m4(tc->mat, objects[i]->obmat);
copy_m3_m4(tc->mat3, tc->mat);
/* for non-invertible scale matrices, invert_m4_m4_fallback()
* can still provide a valid pivot */
invert_m4_m4_fallback(tc->imat, tc->mat);
invert_m3_m3(tc->imat3, tc->mat3);
normalize_m3_m3(tc->mat3_unit, tc->mat3);
}
/* Otherwise leave as zero. */
}
if (free_objects) {
MEM_freeN(objects);
}
}
}
static eTFlag flags_from_data_type(eTConvertType data_type)
{
switch (data_type) {
case TC_ACTION_DATA:
case TC_GRAPH_EDIT_DATA:
case TC_MASKING_DATA:
case TC_NLA_DATA:
case TC_NODE_DATA:
case TC_PAINT_CURVE_VERTS:
case TC_SEQ_DATA:
case TC_TRACKING_DATA:
return T_POINTS | T_2D_EDIT;
case TC_ARMATURE_VERTS:
case TC_CURVE_VERTS:
case TC_GPENCIL:
case TC_LATTICE_VERTS:
case TC_MBALL_VERTS:
case TC_MESH_VERTS:
case TC_MESH_SKIN:
return T_EDIT | T_POINTS;
case TC_MESH_EDGES:
return T_EDIT;
case TC_MESH_UV:
return T_EDIT | T_POINTS | T_2D_EDIT;
case TC_CURSOR_IMAGE:
return T_2D_EDIT;
case TC_PARTICLE_VERTS:
return T_POINTS;
case TC_POSE:
case TC_CURSOR_VIEW3D:
case TC_OBJECT:
case TC_OBJECT_TEXSPACE:
case TC_SCULPT:
case TC_NONE:
default:
break;
}
return 0;
}
static eTConvertType convert_type_get(const TransInfo *t, Object **r_obj_armature)
{
ViewLayer *view_layer = t->view_layer;
Object *ob = OBACT(view_layer);
eTConvertType convert_type = TC_NONE;
/* if tests must match recalcData for correct updates */
if (t->options & CTX_CURSOR) {
if (t->spacetype == SPACE_IMAGE) {
convert_type = TC_CURSOR_IMAGE;
}
else {
convert_type = TC_CURSOR_VIEW3D;
}
}
else if (!(t->options & CTX_PAINT_CURVE) && (t->spacetype == SPACE_VIEW3D) && ob &&
(ob->mode == OB_MODE_SCULPT) && ob->sculpt) {
convert_type = TC_SCULPT;
}
else if (t->options & CTX_TEXTURE_SPACE) {
convert_type = TC_OBJECT_TEXSPACE;
}
else if (t->options & CTX_EDGE_DATA) {
convert_type = TC_MESH_EDGES;
}
else if (t->options & CTX_GPENCIL_STROKES) {
convert_type = TC_GPENCIL;
}
else if (t->spacetype == SPACE_IMAGE) {
if (t->options & CTX_MASK) {
convert_type = TC_MASKING_DATA;
}
else if (t->options & CTX_PAINT_CURVE) {
if (!ELEM(t->mode, TFM_SHEAR, TFM_SHRINKFATTEN)) {
convert_type = TC_PAINT_CURVE_VERTS;
}
}
else if (t->obedit_type == OB_MESH) {
convert_type = TC_MESH_UV;
}
}
else if (t->spacetype == SPACE_ACTION) {
convert_type = TC_ACTION_DATA;
}
else if (t->spacetype == SPACE_NLA) {
convert_type = TC_NLA_DATA;
}
else if (t->spacetype == SPACE_SEQ) {
convert_type = TC_SEQ_DATA;
}
else if (t->spacetype == SPACE_GRAPH) {
convert_type = TC_GRAPH_EDIT_DATA;
}
else if (t->spacetype == SPACE_NODE) {
convert_type = TC_NODE_DATA;
}
else if (t->spacetype == SPACE_CLIP) {
if (t->options & CTX_MOVIECLIP) {
convert_type = TC_TRACKING_DATA;
}
else if (t->options & CTX_MASK) {
convert_type = TC_MASKING_DATA;
}
}
else if (t->obedit_type != -1) {
if (t->obedit_type == OB_MESH) {
if (t->mode == TFM_SKIN_RESIZE) {
convert_type = TC_MESH_SKIN;
}
else {
convert_type = TC_MESH_VERTS;
}
}
else if (ELEM(t->obedit_type, OB_CURVE, OB_SURF)) {
convert_type = TC_CURVE_VERTS;
}
else if (t->obedit_type == OB_LATTICE) {
convert_type = TC_LATTICE_VERTS;
}
else if (t->obedit_type == OB_MBALL) {
convert_type = TC_MBALL_VERTS;
}
else if (t->obedit_type == OB_ARMATURE) {
convert_type = TC_ARMATURE_VERTS;
}
}
else if (ob && (ob->mode & OB_MODE_POSE)) {
convert_type = TC_POSE;
}
else if (ob && (ob->mode & OB_MODE_ALL_WEIGHT_PAINT) && !(t->options & CTX_PAINT_CURVE)) {
Object *ob_armature = transform_object_deform_pose_armature_get(t, ob);
if (ob_armature) {
*r_obj_armature = ob_armature;
convert_type = TC_POSE;
}
}
else if (ob && (ob->mode & OB_MODE_PARTICLE_EDIT) &&
PE_start_edit(PE_get_current(t->depsgraph, t->scene, ob))) {
convert_type = TC_PARTICLE_VERTS;
}
else if (ob && (ob->mode & OB_MODE_ALL_PAINT)) {
if ((t->options & CTX_PAINT_CURVE) && !ELEM(t->mode, TFM_SHEAR, TFM_SHRINKFATTEN)) {
convert_type = TC_PAINT_CURVE_VERTS;
}
}
else if ((ob) && (ELEM(ob->mode,
OB_MODE_PAINT_GPENCIL,
OB_MODE_SCULPT_GPENCIL,
OB_MODE_WEIGHT_GPENCIL,
OB_MODE_VERTEX_GPENCIL))) {
/* In grease pencil all transformations must be canceled if not Object or Edit. */
}
else {
convert_type = TC_OBJECT;
}
return convert_type;
}
void createTransData(bContext *C, TransInfo *t)
{
t->data_len_all = -1;
Object *ob_armature = NULL;
t->data_type = convert_type_get(t, &ob_armature);
t->flag |= flags_from_data_type(t->data_type);
if (ob_armature) {
init_TransDataContainers(t, ob_armature, &ob_armature, 1);
}
else {
ViewLayer *view_layer = t->view_layer;
Object *ob = OBACT(view_layer);
init_TransDataContainers(t, ob, NULL, 0);
}
switch (t->data_type) {
case TC_ACTION_DATA:
t->obedit_type = -1;
createTransActionData(C, t);
break;
case TC_POSE:
t->options |= CTX_POSE_BONE;
/* XXX active-layer checking isn't done
* as that should probably be checked through context instead. */
createTransPose(t);
break;
case TC_ARMATURE_VERTS:
createTransArmatureVerts(t);
break;
case TC_CURSOR_IMAGE:
createTransCursor_image(t);
break;
case TC_CURSOR_VIEW3D:
createTransCursor_view3d(t);
break;
case TC_CURVE_VERTS:
createTransCurveVerts(t);
break;
case TC_GRAPH_EDIT_DATA:
t->obedit_type = -1;
createTransGraphEditData(C, t);
break;
case TC_GPENCIL:
createTransGPencil(C, t);
break;
case TC_LATTICE_VERTS:
createTransLatticeVerts(t);
break;
case TC_MASKING_DATA:
if (t->spacetype == SPACE_CLIP) {
t->obedit_type = -1;
}
createTransMaskingData(C, t);
break;
case TC_MBALL_VERTS:
createTransMBallVerts(t);
break;
case TC_MESH_VERTS:
createTransEditVerts(t);
break;
case TC_MESH_EDGES:
createTransEdge(t);
break;
case TC_MESH_SKIN:
createTransMeshSkin(t);
break;
case TC_MESH_UV:
createTransUVs(C, t);
break;
case TC_NLA_DATA:
t->obedit_type = -1;
createTransNlaData(C, t);
break;
case TC_NODE_DATA:
t->obedit_type = -1;
createTransNodeData(t);
break;
case TC_OBJECT:
t->options |= CTX_OBJECT;
/* Needed for correct Object.obmat after duplication, see: T62135. */
BKE_scene_graph_evaluated_ensure(t->depsgraph, CTX_data_main(t->context));
if ((t->settings->transform_flag & SCE_XFORM_DATA_ORIGIN) != 0) {
t->options |= CTX_OBMODE_XFORM_OBDATA;
}
if ((t->settings->transform_flag & SCE_XFORM_SKIP_CHILDREN) != 0) {
t->options |= CTX_OBMODE_XFORM_SKIP_CHILDREN;
}
createTransObject(C, t);
/* Check if we're transforming the camera from the camera */
if ((t->spacetype == SPACE_VIEW3D) && (t->region->regiontype == RGN_TYPE_WINDOW)) {
View3D *v3d = t->view;
RegionView3D *rv3d = t->region->regiondata;
if ((rv3d->persp == RV3D_CAMOB) && v3d->camera) {
/* we could have a flag to easily check an object is being transformed */
if (v3d->camera->id.tag & LIB_TAG_DOIT) {
t->options |= CTX_CAMERA;
}
}
else if (v3d->ob_center && v3d->ob_center->id.tag & LIB_TAG_DOIT) {
t->options |= CTX_CAMERA;
}
}
break;
case TC_OBJECT_TEXSPACE:
createTransTexspace(t);
break;
case TC_PAINT_CURVE_VERTS:
createTransPaintCurveVerts(C, t);
break;
case TC_PARTICLE_VERTS:
createTransParticleVerts(t);
break;
case TC_SCULPT:
createTransSculpt(C, t);
break;
case TC_SEQ_DATA:
t->obedit_type = -1;
t->num.flag |= NUM_NO_FRACTION; /* sequencer has no use for floating point transform. */
createTransSeqData(t);
break;
case TC_TRACKING_DATA:
t->obedit_type = -1;
createTransTrackingData(C, t);
break;
case TC_NONE:
default:
printf("edit type not implemented!\n");
BLI_assert(t->data_len_all == -1);
t->data_len_all = 0;
return;
}
countAndCleanTransDataContainer(t);
init_proportional_edit(t);
BLI_assert((!(t->flag & T_EDIT)) == (!(t->obedit_type != -1)));
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Transform Data Recalc/Flush
* \{ */
void transform_convert_clip_mirror_modifier_apply(TransDataContainer *tc)
{
Object *ob = tc->obedit;
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) && (md->mode & eModifierMode_Realtime)) {
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;
if (mmd->mirror_ob) {
float obinv[4][4];
invert_m4_m4(obinv, mmd->mirror_ob->obmat);
mul_m4_m4m4(mtx, obinv, ob->obmat);
invert_m4_m4(imtx, mtx);
}
TransData *td = tc->data;
for (i = 0; i < tc->data_len; i++, td++) {
int clip;
float loc[3], iloc[3];
if (td->loc == NULL) {
break;
}
if (td->flag & TD_SKIP) {
continue;
}
copy_v3_v3(loc, td->loc);
copy_v3_v3(iloc, td->iloc);
if (mmd->mirror_ob) {
mul_m4_v3(mtx, loc);
mul_m4_v3(mtx, iloc);
}
clip = 0;
if (axis & 1) {
if (fabsf(iloc[0]) <= tolerance[0] || loc[0] * iloc[0] < 0.0f) {
loc[0] = 0.0f;
clip = 1;
}
}
if (axis & 2) {
if (fabsf(iloc[1]) <= tolerance[1] || loc[1] * iloc[1] < 0.0f) {
loc[1] = 0.0f;
clip = 1;
}
}
if (axis & 4) {
if (fabsf(iloc[2]) <= tolerance[2] || loc[2] * iloc[2] < 0.0f) {
loc[2] = 0.0f;
clip = 1;
}
}
if (clip) {
if (mmd->mirror_ob) {
mul_m4_v3(imtx, loc);
}
copy_v3_v3(td->loc, loc);
}
}
}
}
}
}
}
/* for the realtime animation recording feature, handle overlapping data */
void animrecord_check_state(TransInfo *t, struct Object *ob)
{
Scene *scene = t->scene;
ID *id = &ob->id;
wmTimer *animtimer = t->animtimer;
ScreenAnimData *sad = (animtimer) ? animtimer->customdata : NULL;
/* sanity checks */
if (ELEM(NULL, scene, id, sad)) {
return;
}
/* check if we need a new strip if:
* - if animtimer is running
* - we're not only keying for available channels
* - the option to add new actions for each round is not enabled
*/
if (IS_AUTOKEY_FLAG(scene, INSERTAVAIL) == 0 &&
(scene->toolsettings->autokey_flag & ANIMRECORD_FLAG_WITHNLA)) {
/* if playback has just looped around,
* we need to add a new NLA track+strip to allow a clean pass to occur */
if ((sad) && (sad->flag & ANIMPLAY_FLAG_JUMPED)) {
AnimData *adt = BKE_animdata_from_id(id);
const bool is_first = (adt) && (adt->nla_tracks.first == NULL);
/* perform push-down manually with some differences
* NOTE: BKE_nla_action_pushdown() sync warning...
*/
if ((adt->action) && !(adt->flag & ADT_NLA_EDIT_ON)) {
float astart, aend;
/* only push down if action is more than 1-2 frames long */
calc_action_range(adt->action, &astart, &aend, 1);
if (aend > astart + 2.0f) {
NlaStrip *strip = BKE_nlastack_add_strip(adt, adt->action, ID_IS_OVERRIDE_LIBRARY(id));
/* clear reference to action now that we've pushed it onto the stack */
id_us_min(&adt->action->id);
adt->action = NULL;
/* adjust blending + extend so that they will behave correctly */
strip->extendmode = NLASTRIP_EXTEND_NOTHING;
strip->flag &= ~(NLASTRIP_FLAG_AUTO_BLENDS | NLASTRIP_FLAG_SELECT |
NLASTRIP_FLAG_ACTIVE);
/* copy current "action blending" settings from adt to the strip,
* as it was keyframed with these settings, so omitting them will
* change the effect [T54766]
*/
if (is_first == false) {
strip->blendmode = adt->act_blendmode;
strip->influence = adt->act_influence;
if (adt->act_influence < 1.0f) {
/* enable "user-controlled" influence (which will insert a default keyframe)
* so that the influence doesn't get lost on the new update
*
* NOTE: An alternative way would have been to instead hack the influence
* to not get always get reset to full strength if NLASTRIP_FLAG_USR_INFLUENCE
* is disabled but auto-blending isn't being used. However, that approach
* is a bit hacky/hard to discover, and may cause backwards compatibility issues,
* so it's better to just do it this way.
*/
strip->flag |= NLASTRIP_FLAG_USR_INFLUENCE;
BKE_nlastrip_validate_fcurves(strip);
}
}
/* also, adjust the AnimData's action extend mode to be on
* 'nothing' so that previous result still play
*/
adt->act_extendmode = NLASTRIP_EXTEND_NOTHING;
}
}
}
}
}
/* called for updating while transform acts, once per redraw */
void recalcData(TransInfo *t)
{
switch (t->data_type) {
case TC_ACTION_DATA:
recalcData_actedit(t);
break;
case TC_POSE:
recalcData_pose(t);
break;
case TC_ARMATURE_VERTS:
recalcData_edit_armature(t);
break;
case TC_CURVE_VERTS:
recalcData_curve(t);
break;
case TC_CURSOR_IMAGE:
recalcData_cursor_image(t);
break;
case TC_CURSOR_VIEW3D:
recalcData_cursor(t);
break;
case TC_GRAPH_EDIT_DATA:
recalcData_graphedit(t);
break;
case TC_GPENCIL:
recalcData_gpencil_strokes(t);
break;
case TC_MASKING_DATA:
recalcData_mask_common(t);
break;
case TC_MESH_VERTS:
recalcData_mesh(t);
break;
case TC_MESH_EDGES:
recalcData_mesh_edge(t);
break;
case TC_MESH_SKIN:
recalcData_mesh_skin(t);
break;
case TC_MESH_UV:
recalcData_uv(t);
break;
case TC_NLA_DATA:
recalcData_nla(t);
break;
case TC_NODE_DATA:
flushTransNodes(t);
break;
case TC_OBJECT:
recalcData_objects(t);
break;
case TC_OBJECT_TEXSPACE:
recalcData_texspace(t);
break;
case TC_PAINT_CURVE_VERTS:
flushTransPaintCurve(t);
break;
case TC_SCULPT:
recalcData_sculpt(t);
break;
case TC_SEQ_DATA:
recalcData_sequencer(t);
break;
case TC_TRACKING_DATA:
recalcData_tracking(t);
break;
case TC_MBALL_VERTS:
recalcData_mball(t);
break;
case TC_LATTICE_VERTS:
recalcData_lattice(t);
break;
case TC_PARTICLE_VERTS:
recalcData_particles(t);
break;
case TC_NONE:
default:
break;
}
}
/** \} */
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