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Aegisub/core/dialog_timing_processor.cpp

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// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
////////////
// Includes
#include "dialog_timing_processor.h"
#include "subs_grid.h"
#include "ass_file.h"
#include "options.h"
#include "validators.h"
#include "video_display.h"
#include "video_box.h"
#include "ass_dialogue.h"
#include "ass_time.h"
#include "vfr.h"
#include "utils.h"
///////////////
// Constructor
DialogTimingProcessor::DialogTimingProcessor(wxWindow *parent,SubtitlesGrid *_grid)
: wxDialog(parent,-1,_("Timing Post-Processor"),wxDefaultPosition,wxSize(400,250),wxDEFAULT_DIALOG_STYLE)
{
// Set variables
grid = _grid;
leadInTime = Options.AsText(_T("Audio lead in"));
leadOutTime = Options.AsText(_T("Audio lead out"));
thresStartBefore = Options.AsText(_T("Timing processor key start before thres"));
thresStartAfter = Options.AsText(_T("Timing processor key start after thres"));
thresEndBefore = Options.AsText(_T("Timing processor key end before thres"));
thresEndAfter = Options.AsText(_T("Timing processor key end after thres"));
adjsThresTime = Options.AsText(_T("Timing processor adjascent thres"));
// Lead-in/out box
wxSizer *LeadSizer = new wxStaticBoxSizer(wxHORIZONTAL,this,_("Lead-in/Lead-out"));
hasLeadIn = new wxCheckBox(this,CHECK_ENABLE_LEADIN,_("Add lead in:"));
hasLeadIn->SetToolTip(_("Enable adding of lead-ins to lines."));
hasLeadIn->SetValue(Options.AsBool(_T("Timing processor Enable lead-in")));
leadIn = new wxTextCtrl(this,-1,_T(""),wxDefaultPosition,wxSize(80,-1),0,NumValidator(&leadInTime));
leadIn->SetToolTip(_("Lead in to be added, in miliseconds."));
hasLeadOut = new wxCheckBox(this,CHECK_ENABLE_LEADOUT,_("Add lead out:"));
hasLeadOut->SetToolTip(_("Enable adding of lead-outs to lines."));
hasLeadOut->SetValue(Options.AsBool(_T("Timing processor Enable lead-out")));
leadOut = new wxTextCtrl(this,-1,_T(""),wxDefaultPosition,wxSize(80,-1),0,NumValidator(&leadOutTime));
leadOut->SetToolTip(_("Lead out to be added, in miliseconds."));
LeadSizer->Add(hasLeadIn,0,wxRIGHT|wxEXPAND,5);
LeadSizer->Add(leadIn,0,wxRIGHT|wxEXPAND,5);
LeadSizer->Add(hasLeadOut,0,wxRIGHT|wxEXPAND,5);
LeadSizer->Add(leadOut,0,wxRIGHT|wxEXPAND,0);
LeadSizer->AddStretchSpacer(1);
// Adjascent subs sizer
wxSizer *AdjascentSizer = new wxStaticBoxSizer(wxHORIZONTAL,this,_("Make adjascent subtitles continuous"));
adjsEnable = new wxCheckBox(this,CHECK_ENABLE_ADJASCENT,_("Enable"));
adjsEnable->SetToolTip(_("Enable snapping of subtitles together if they are within a certain distance of each other."));
adjsEnable->SetValue(Options.AsBool(_T("Timing processor Enable adjascent")));
wxStaticText *adjsThresText = new wxStaticText(this,-1,_("Threshold:"),wxDefaultPosition,wxDefaultSize,wxALIGN_CENTRE);
adjascentThres = new wxTextCtrl(this,-1,_T(""),wxDefaultPosition,wxSize(60,-1),0,NumValidator(&adjsThresTime));
adjascentThres->SetToolTip(_("Maximum difference between start and end time for two subtitles to be made continuous, in miliseconds."));
adjascentBias = new wxSlider(this,-1,MID(0,int(Options.AsFloat(_T("Timing processor adjascent bias"))*100),100),0,100,wxDefaultPosition,wxSize(-1,20));
adjascentBias->SetToolTip(_T("Sets how to set the adjoining of lines. If set totally to left, it will extend start time of the second line; if totally to right, it will extend the end time of the first line."));
AdjascentSizer->Add(adjsEnable,0,wxRIGHT|wxEXPAND,10);
AdjascentSizer->Add(adjsThresText,0,wxRIGHT|wxALIGN_CENTER,5);
AdjascentSizer->Add(adjascentThres,0,wxRIGHT|wxEXPAND,5);
AdjascentSizer->Add(new wxStaticText(this,-1,_("Bias: Start <- "),wxDefaultPosition,wxDefaultSize,wxALIGN_CENTRE),0,wxALIGN_CENTER,0);
AdjascentSizer->Add(adjascentBias,1,wxEXPAND,0);
AdjascentSizer->Add(new wxStaticText(this,-1,_(" -> End"),wxDefaultPosition,wxDefaultSize,wxALIGN_CENTRE),0,wxALIGN_CENTER,0);
// Keyframes sizer
KeyframesSizer = new wxStaticBoxSizer(wxHORIZONTAL,this,_("Keyframe snapping"));
wxSizer *KeyframesFlexSizer = new wxFlexGridSizer(2,5,5,0);
keysEnable = new wxCheckBox(this,CHECK_ENABLE_KEYFRAME,_("Enable"));
keysEnable->SetToolTip(_("Enable snapping of subtitles to nearest keyframe, if distance is within threshold."));
keysEnable->SetValue(Options.AsBool(_T("Timing processor Enable keyframe")));
wxStaticText *textStartBefore = new wxStaticText(this,-1,_("Starts before thres.:"),wxDefaultPosition,wxDefaultSize,wxALIGN_CENTRE);
keysStartBefore = new wxTextCtrl(this,-1,_T(""),wxDefaultPosition,wxSize(60,-1),0,NumValidator(&thresStartBefore));
keysStartBefore->SetToolTip(_("Threshold for 'before start' distance, that is, how many frames a subtitle must start before a keyframe to snap to it."));
wxStaticText *textStartAfter = new wxStaticText(this,-1,_("Starts after thres.:"),wxDefaultPosition,wxDefaultSize,wxALIGN_CENTRE);
keysStartAfter = new wxTextCtrl(this,-1,_T(""),wxDefaultPosition,wxSize(60,-1),0,NumValidator(&thresStartAfter));
keysStartAfter->SetToolTip(_("Threshold for 'after start' distance, that is, how many frames a subtitle must start after a keyframe to snap to it."));
wxStaticText *textEndBefore = new wxStaticText(this,-1,_("Ends before thres.:"),wxDefaultPosition,wxDefaultSize,wxALIGN_CENTRE);
keysEndBefore = new wxTextCtrl(this,-1,_T(""),wxDefaultPosition,wxSize(60,-1),0,NumValidator(&thresEndBefore));
keysEndBefore->SetToolTip(_("Threshold for 'before end' distance, that is, how many frames a subtitle must end before a keyframe to snap to it."));
wxStaticText *textEndAfter = new wxStaticText(this,-1,_("Ends after thres.:"),wxDefaultPosition,wxDefaultSize,wxALIGN_CENTRE);
keysEndAfter = new wxTextCtrl(this,-1,_T(""),wxDefaultPosition,wxSize(60,-1),0,NumValidator(&thresEndAfter));
keysEndAfter->SetToolTip(_("Threshold for 'after end' distance, that is, how many frames a subtitle must end after a keyframe to snap to it."));
KeyframesFlexSizer->Add(keysEnable,0,wxRIGHT|wxEXPAND,10);
KeyframesFlexSizer->Add(textStartBefore,0,wxRIGHT|wxALIGN_CENTER,5);
KeyframesFlexSizer->Add(keysStartBefore,0,wxRIGHT|wxEXPAND,5);
KeyframesFlexSizer->Add(textStartAfter,0,wxRIGHT|wxALIGN_CENTER,5);
KeyframesFlexSizer->Add(keysStartAfter,0,wxRIGHT|wxEXPAND,0);
KeyframesFlexSizer->AddStretchSpacer(1);
KeyframesFlexSizer->Add(textEndBefore,0,wxRIGHT|wxALIGN_CENTER,5);
KeyframesFlexSizer->Add(keysEndBefore,0,wxRIGHT|wxEXPAND,5);
KeyframesFlexSizer->Add(textEndAfter,0,wxRIGHT|wxALIGN_CENTER,5);
KeyframesFlexSizer->Add(keysEndAfter,0,wxRIGHT|wxEXPAND,0);
KeyframesSizer->Add(KeyframesFlexSizer,0,wxEXPAND);
KeyframesSizer->AddStretchSpacer(1);
// Button sizer
wxSizer *ButtonSizer = new wxBoxSizer(wxHORIZONTAL);
ButtonSizer->AddStretchSpacer(1);
ApplyButton = new wxButton(this,wxID_APPLY);
#ifndef __WXMAC__
ButtonSizer->Add(ApplyButton,0,wxRIGHT,5);
ButtonSizer->Add(new wxButton(this,wxID_CANCEL),0,0,0);
#else
ButtonSizer->Add(new wxButton(this,wxID_CANCEL),0,wxRIGHT,5);
ButtonSizer->Add(ApplyButton,0,0,0);
#endif
// Right Sizer
wxSizer *RightSizer = new wxBoxSizer(wxVERTICAL);
RightSizer->Add(LeadSizer,0,wxBOTTOM|wxEXPAND,5);
RightSizer->Add(AdjascentSizer,0,wxBOTTOM|wxEXPAND,5);
RightSizer->Add(KeyframesSizer,0,wxBOTTOM|wxEXPAND,5);
RightSizer->AddStretchSpacer(1);
RightSizer->Add(ButtonSizer,0,wxLEFT|wxRIGHT|wxBOTTOM|wxEXPAND,0);
// Style buttons sizer
wxSizer *StyleButtonsSizer = new wxBoxSizer(wxHORIZONTAL);
wxButton *all = new wxButton(this,BUTTON_SELECT_ALL,_("All"));
all->SetToolTip(_("Select all styles."));
wxButton *none = new wxButton(this,BUTTON_SELECT_NONE,_("None"));
none->SetToolTip(_("Deselect all styles."));
StyleButtonsSizer->Add(all,1,0,0);
StyleButtonsSizer->Add(none,1,0,0);
// Left sizer
wxSizer *LeftSizer = new wxStaticBoxSizer(wxVERTICAL,this,_("Apply to styles"));
wxArrayString styles = grid->ass->GetStyles();
StyleList = new wxCheckListBox(this,TIMING_STYLE_LIST,wxDefaultPosition,wxSize(150,150),styles);
StyleList->SetToolTip(_("Select styles to process. Unchecked ones will be ignored."));
size_t len = StyleList->GetCount();
for (size_t i=0;i<len;i++) {
StyleList->Check(i);
}
LeftSizer->Add(StyleList,1,wxBOTTOM|wxEXPAND,0);
LeftSizer->Add(StyleButtonsSizer,0,wxEXPAND,0);
// Top Sizer
wxSizer *TopSizer = new wxBoxSizer(wxHORIZONTAL);
TopSizer->Add(LeftSizer,0,wxRIGHT|wxEXPAND,5);
TopSizer->Add(RightSizer,1,wxALL|wxEXPAND,0);
// Main Sizer
wxSizer *MainSizer = new wxBoxSizer(wxVERTICAL);
MainSizer->Add(TopSizer,1,wxALL|wxEXPAND,5);
MainSizer->SetSizeHints(this);
SetSizer(MainSizer);
CenterOnParent();
// Update
UpdateControls();
}
///////////////////
// Update controls
void DialogTimingProcessor::UpdateControls() {
// Boxes
leadIn->Enable(hasLeadIn->IsChecked());
leadOut->Enable(hasLeadOut->IsChecked());
adjascentThres->Enable(adjsEnable->IsChecked());
// Keyframes are only available if timecodes are loaded
bool keysAvailable = VFR_Output.IsLoaded();
bool enableKeys = keysEnable->IsChecked() && keysAvailable;
keysStartBefore->Enable(enableKeys);
keysStartAfter->Enable(enableKeys);
keysEndBefore->Enable(enableKeys);
keysEndAfter->Enable(enableKeys);
if (!keysAvailable) {
keysEnable->SetValue(false);
keysEnable->Enable(false);
}
// Apply button
int checked = 0;
size_t len = StyleList->GetCount();
for (size_t i=0;i<len;i++) {
if (StyleList->IsChecked(i)) checked++;
}
ApplyButton->Enable(checked && (hasLeadIn->IsChecked() | hasLeadOut->IsChecked() | keysEnable->IsChecked() | adjsEnable->IsChecked()));
}
///////////////
// Event table
BEGIN_EVENT_TABLE(DialogTimingProcessor,wxDialog)
EVT_CHECKBOX(CHECK_ENABLE_LEADIN,DialogTimingProcessor::OnCheckBox)
EVT_CHECKBOX(CHECK_ENABLE_LEADOUT,DialogTimingProcessor::OnCheckBox)
EVT_CHECKBOX(CHECK_ENABLE_KEYFRAME,DialogTimingProcessor::OnCheckBox)
EVT_CHECKBOX(CHECK_ENABLE_ADJASCENT,DialogTimingProcessor::OnCheckBox)
EVT_CHECKLISTBOX(TIMING_STYLE_LIST,DialogTimingProcessor::OnCheckBox)
EVT_BUTTON(wxID_APPLY,DialogTimingProcessor::OnApply)
EVT_BUTTON(BUTTON_SELECT_ALL,DialogTimingProcessor::OnSelectAll)
EVT_BUTTON(BUTTON_SELECT_NONE,DialogTimingProcessor::OnSelectNone)
END_EVENT_TABLE()
////////////////////
// Checkbox clicked
void DialogTimingProcessor::OnCheckBox(wxCommandEvent &event) {
UpdateControls();
}
/////////////////////
// Select all styles
void DialogTimingProcessor::OnSelectAll(wxCommandEvent &event) {
size_t len = StyleList->GetCount();
for (size_t i=0;i<len;i++) {
StyleList->Check(i);
}
UpdateControls();
}
///////////////////////
// Unselect all styles
void DialogTimingProcessor::OnSelectNone(wxCommandEvent &event) {
size_t len = StyleList->GetCount();
for (size_t i=0;i<len;i++) {
StyleList->Check(i,false);
}
UpdateControls();
}
////////////////////////
// Apply button pressed
void DialogTimingProcessor::OnApply(wxCommandEvent &event) {
// Save settings
long temp = 0;
leadIn->GetValue().ToLong(&temp);
Options.SetInt(_T("Audio lead in"),temp);
leadOut->GetValue().ToLong(&temp);
Options.SetInt(_T("Audio lead out"),temp);
keysStartBefore->GetValue().ToLong(&temp);
Options.SetInt(_T("Timing processor key start before thres"),temp);
keysStartAfter->GetValue().ToLong(&temp);
Options.SetInt(_T("Timing processor key start after thres"),temp);
keysEndBefore->GetValue().ToLong(&temp);
Options.SetInt(_T("Timing processor key end before thres"),temp);
keysEndAfter->GetValue().ToLong(&temp);
Options.SetInt(_T("Timing processor key end after thres"),temp);
adjascentThres->GetValue().ToLong(&temp);
Options.SetInt(_T("Timing processor adjascent thres"),temp);
Options.SetFloat(_T("Timing processor adjascent bias"),adjascentBias->GetValue() / 100.0);
Options.SetBool(_T("Timing processor Enable lead-in"),hasLeadIn->IsChecked());
Options.SetBool(_T("Timing processor Enable lead-out"),hasLeadOut->IsChecked());
if (keysEnable->IsEnabled()) Options.SetBool(_T("Timing processor Enable keyframe"),keysEnable->IsChecked());
Options.SetBool(_T("Timing processor Enable adjascent"),adjsEnable->IsChecked());
Options.Save();
// Check if rows are valid
bool valid = true;
AssDialogue *tempDiag;
int i = 0;
for (std::list<AssEntry*>::iterator cur=grid->ass->Line.begin();cur!=grid->ass->Line.end();cur++) {
tempDiag = AssEntry::GetAsDialogue(*cur);
if (tempDiag) {
i++;
if (tempDiag->Start.GetMS() > tempDiag->End.GetMS()) {
valid = false;
break;
}
}
}
// Process
if (valid) Process();
// Error message
else wxMessageBox(wxString::Format(_("One of the lines in the file (%i) has negative duration. Aborting."),i),_("Invalid script"),wxICON_ERROR|wxOK);
// Close dialogue
EndModal(0);
}
////////////////////////
// Get closest keyframe
int DialogTimingProcessor::GetClosestKeyFrame(int frame) {
// Linear dumb search, not very efficient, but it doesn't really matter
int closest = 0;
size_t n = KeyFrames.Count();
for (size_t i=0;i<n;i++) {
if (abs(KeyFrames[i]-frame) < abs(closest-frame)) {
closest = KeyFrames[i];
}
}
return closest;
}
////////////////////////////
// Check if style is listed
bool DialogTimingProcessor::StyleOK(wxString styleName) {
size_t len = StyleList->GetCount();
for (size_t i=0;i<len;i++) {
if (StyleList->GetString(i) == styleName && StyleList->IsChecked(i)) return true;
}
return false;
}
//////////////////
// Sort dialogues
void DialogTimingProcessor::SortDialogues() {
// Copy from original to temporary list
std::list<AssDialogue*> temp;
AssDialogue *tempDiag;
for (std::list<AssEntry*>::iterator cur=grid->ass->Line.begin();cur!=grid->ass->Line.end();cur++) {
tempDiag = AssEntry::GetAsDialogue(*cur);
// Only add valid lines
if (tempDiag && StyleOK(tempDiag->Style) && !tempDiag->Comment) {
tempDiag->StartMS = tempDiag->Start.GetMS();
temp.push_back(tempDiag);
}
}
// Sort temporary list
temp.sort(LessByPointedToValue<AssDialogue>());
// Copy temporary list to final vector
for (std::list<AssDialogue*>::iterator cur=temp.begin();cur!=temp.end();cur++) {
Sorted.push_back(*cur);
}
}
////////////////////////
// Gets sorted dialogue
AssDialogue *DialogTimingProcessor::GetSortedDialogue(int n) {
try {
return Sorted.at(n);
}
catch (...) {
return NULL;
}
}
//////////////////////////////
// Actually process subtitles
void DialogTimingProcessor::Process() {
// Sort rows
SortDialogues();
int rows = Sorted.size();
// Options
long inVal = 0;
long outVal = 0;
leadIn->GetValue().ToLong(&inVal);
leadOut->GetValue().ToLong(&outVal);
bool addIn = hasLeadIn->IsChecked() && inVal;
bool addOut = hasLeadOut->IsChecked() && outVal;
// Add lead-in/out
if (addIn || addOut) {
// Variables
AssDialogue *cur;
AssDialogue *comp;
int start,end;
int startLead,endLead;
int compStart,compEnd;
// For each row
for (int i=0;i<rows;i++) {
// Get line and check if it's OK
cur = GetSortedDialogue(i);
// Set variables
start = cur->Start.GetMS();
end = cur->End.GetMS();
if (addIn) startLead = start - inVal;
else startLead = start;
if (addOut) endLead = end + outVal;
else endLead = end;
// Compare to every previous line (yay for O(n^2)!) to see if it's OK to add lead-in
if (addIn) {
for (int j=0;j<i;j++) {
comp = GetSortedDialogue(j);
// Check if they don't already collide (ignore it in that case)
if (cur->CollidesWith(comp)) continue;
// Get comparison times
compEnd = comp->End.GetMS();
// Limit lead-in if needed
if (compEnd > startLead) startLead = compEnd;
}
}
// Compare to every line to see how far can lead-out be extended
if (addOut) {
for (int j=i+1;j<rows;j++) {
comp = GetSortedDialogue(j);
// Check if they don't already collide (ignore it in that case)
if (cur->CollidesWith(comp)) continue;
// Get comparison times
compStart = comp->Start.GetMS();
// Limit lead-in if needed
if (compStart < endLead) endLead = compStart;
}
}
// Set times
cur->Start.SetMS(startLead);
cur->End.SetMS(endLead);
cur->UpdateData();
}
}
// Make adjascent
if (adjsEnable->IsChecked()) {
// Variables
AssDialogue *cur;
AssDialogue *prev = NULL;
int curStart,prevEnd;
long adjsThres = 0;
int dist;
// Get threshold
adjascentThres->GetValue().ToLong(&adjsThres);
// Get bias
float bias = adjascentBias->GetValue() / 100.0;
// For each row
for (int i=0;i<rows;i++) {
// Get line and check if it's OK
cur = GetSortedDialogue(i);
// Check if previous is OK
if (!prev) {
prev = cur;
continue;
}
// Check if they don't collide
if (cur->CollidesWith(prev)) continue;
// Compare distance
curStart = cur->Start.GetMS();
prevEnd = prev->End.GetMS();
dist = curStart-prevEnd;
if (dist > 0 && dist < adjsThres) {
int setPos = prevEnd+int(dist*bias);
cur->Start.SetMS(setPos);
cur->UpdateData();
prev->End.SetMS(setPos);
prev->UpdateData();
}
// Set previous
prev = cur;
}
}
// Keyframe snapping
if (keysEnable->IsChecked()) {
// Get keyframes
KeyFrames = grid->video->KeyFrames;
KeyFrames.Add(grid->video->length-1);
// Variables
int startF,endF;
int closest;
bool changed;
AssDialogue *cur;
// Get variables
long beforeStart = 0;
long afterStart = 0;
long beforeEnd = 0;
long afterEnd = 0;
keysStartBefore->GetValue().ToLong(&beforeStart);
keysStartAfter->GetValue().ToLong(&afterStart);
keysEndBefore->GetValue().ToLong(&beforeEnd);
keysEndAfter->GetValue().ToLong(&afterEnd);
// For each row
for (int i=0;i<rows;i++) {
// Get line and check if it's OK
cur = GetSortedDialogue(i);
// Get start/end frames
startF = VFR_Output.GetFrameAtTime(cur->Start.GetMS(),true);
endF = VFR_Output.GetFrameAtTime(cur->End.GetMS(),false);
changed = false;
// Get closest for start
closest = GetClosestKeyFrame(startF);
if ((closest > startF && closest-startF <= beforeStart) || (closest < startF && startF-closest <= afterStart)) {
cur->Start.SetMS(VFR_Output.GetTimeAtFrame(closest,true));
changed = true;
}
// Get closest for end
closest = GetClosestKeyFrame(endF)-1;
if ((closest > endF && closest-endF <= beforeEnd) || (closest < endF && endF-closest <= afterEnd)) {
cur->End.SetMS(VFR_Output.GetTimeAtFrame(closest,false));
changed = true;
}
// Apply changes
if (changed) {
cur->UpdateData();
}
}
}
// Update grid
grid->ass->FlagAsModified();
grid->CommitChanges();
}
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