X-Git-Url: http://git.dev.opencascade.org/gitweb/?p=occt.git;a=blobdiff_plain;f=src%2FAIS%2FAIS_Animation.cxx;h=32a055fef5b55921c79b168dbae6002f9921bdaf;hb=1beb58d7452b7cddee8d6bc91c759b554f7de276;hpb=f204ec4c379effe8e7774a843422a046a3c7e6f9

diff --git a/src/AIS/AIS_Animation.cxx b/src/AIS/AIS_Animation.cxx
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+++ b/src/AIS/AIS_Animation.cxx
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+// Created by: Anastasia BORISOVA
+// Copyright (c) 2016 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <AIS_Animation.hxx>
+
+#include <Standard_Assert.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(AIS_Animation, Standard_Transient)
+
+//=============================================================================
+//function : Constructor
+//purpose  :
+//=============================================================================
+AIS_Animation::AIS_Animation (const TCollection_AsciiString& theAnimationName)
+: myName (theAnimationName),
+  myState (AnimationState_Stopped),
+  myPtsStart (0.0),
+  myOwnDuration (0.0),
+  myChildrenDuration (0.0)
+{
+  //
+}
+
+//=============================================================================
+//function : ~AIS_Animation
+//purpose  :
+//=============================================================================
+AIS_Animation::~AIS_Animation()
+{
+  Clear();
+}
+
+//=============================================================================
+//function : Clear
+//purpose  :
+//=============================================================================
+void AIS_Animation::Clear()
+{
+  myAnimations.Clear();
+  myOwnDuration = 0.0;
+}
+
+//=============================================================================
+//function : Add
+//purpose  :
+//=============================================================================
+void AIS_Animation::Add (const Handle(AIS_Animation)& theAnimation)
+{
+  if (theAnimation.IsNull())
+  {
+    Standard_ProgramError::Raise ("AIS_Animation::Add() - attempt to add a NULL animation!");
+  }
+
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (myAnimations); anIter.More(); anIter.Next())
+  {
+    if (anIter.Value() == theAnimation)
+    {
+      UpdateTotalDuration();
+      return;
+    }
+  }
+
+  myAnimations.Append (theAnimation);
+  UpdateTotalDuration();
+}
+
+//=============================================================================
+//function : Find
+//purpose  :
+//=============================================================================
+Handle(AIS_Animation) AIS_Animation::Find (const TCollection_AsciiString& theAnimationName) const
+{
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (myAnimations); anIter.More(); anIter.Next())
+  {
+    if (anIter.Value()->Name() == theAnimationName)
+    {
+      return anIter.Value();
+    }
+  }
+  return Handle(AIS_Animation)();
+}
+
+//=============================================================================
+//function : Remove
+//purpose  :
+//=============================================================================
+Standard_Boolean AIS_Animation::Remove (const Handle(AIS_Animation)& theAnimation)
+{
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (myAnimations); anIter.More(); anIter.Next())
+  {
+    if (anIter.Value() == theAnimation)
+    {
+      myAnimations.Remove (anIter);
+      UpdateTotalDuration();
+      return Standard_True;
+    }
+  }
+  return Standard_False;
+}
+
+//=============================================================================
+//function : Replace
+//purpose  :
+//=============================================================================
+Standard_Boolean AIS_Animation::Replace (const Handle(AIS_Animation)& theAnimationOld,
+                                         const Handle(AIS_Animation)& theAnimationNew)
+{
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (myAnimations); anIter.More(); anIter.Next())
+  {
+    if (anIter.Value() == theAnimationOld)
+    {
+      anIter.ChangeValue() = theAnimationNew;
+      UpdateTotalDuration();
+      return Standard_True;
+    }
+  }
+  return Standard_False;
+}
+
+//=============================================================================
+//function : CopyFrom
+//purpose  :
+//=============================================================================
+void AIS_Animation::CopyFrom (const Handle(AIS_Animation)& theOther)
+{
+  myAnimations.Clear();
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (theOther->myAnimations); anIter.More(); anIter.Next())
+  {
+    myAnimations.Append (anIter.Value());
+  }
+  UpdateTotalDuration();
+  myPtsStart    = theOther->myPtsStart;
+  myOwnDuration = theOther->myOwnDuration;
+}
+
+//=============================================================================
+//function : UpdateTotalDuration
+//purpose  :
+//=============================================================================
+void AIS_Animation::UpdateTotalDuration()
+{
+  myChildrenDuration = 0.0;
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (myAnimations); anIter.More(); anIter.Next())
+  {
+    myChildrenDuration = Max (myChildrenDuration, anIter.Value()->StartPts() + anIter.Value()->Duration());
+  }
+}
+
+//=============================================================================
+//function : StartTimer
+//purpose  :
+//=============================================================================
+void AIS_Animation::StartTimer (const Standard_Real    theStartPts,
+                                const Standard_Real    thePlaySpeed,
+                                const Standard_Boolean theToUpdate)
+{
+  if (myTimer.IsNull())
+  {
+    myTimer = new AIS_AnimationTimer();
+  }
+  myTimer->Stop();
+  myTimer->Seek (theStartPts);
+  myTimer->SetPlaybackSpeed (thePlaySpeed);
+  Start (theToUpdate);
+}
+
+//=============================================================================
+//function : UpdateTimer
+//purpose  :
+//=============================================================================
+Standard_Real AIS_Animation::UpdateTimer()
+{
+  if (myTimer.IsNull())
+  {
+    Standard_ProgramError::Raise ("AIS_Animation::UpdateTimer() - timer was not created!");
+  }
+
+  const Standard_Real anElapsedTime = myTimer->ElapsedTime();
+  Update (anElapsedTime);
+  return anElapsedTime;
+}
+
+//=============================================================================
+//function : Start
+//purpose  :
+//=============================================================================
+void AIS_Animation::Start (const Standard_Boolean theToUpdate)
+{
+  UpdateTotalDuration();
+  myState = AnimationState_Started;
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (myAnimations); anIter.More(); anIter.Next())
+  {
+    anIter.ChangeValue()->Start (Standard_False);
+  }
+
+  if (theToUpdate)
+  {
+    const Standard_Real anElapsedTime = !myTimer.IsNull()
+                                       ? myTimer->ElapsedTime()
+                                       : 0.0;
+    Update (anElapsedTime);
+  }
+
+  if (!myTimer.IsNull())
+  {
+    myTimer->Start();
+  }
+}
+
+//=============================================================================
+//function : Pause
+//purpose  :
+//=============================================================================
+void AIS_Animation::Pause()
+{
+  myState = AnimationState_Paused;
+  if (!myTimer.IsNull())
+  {
+    myTimer->Pause();
+  }
+
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (myAnimations); anIter.More(); anIter.Next())
+  {
+    anIter.ChangeValue()->Stop();
+  }
+}
+
+//=============================================================================
+//function : Stop
+//purpose  :
+//=============================================================================
+void AIS_Animation::Stop()
+{
+  myState = AnimationState_Stopped;
+  if (!myTimer.IsNull())
+  {
+    myTimer->Stop();
+  }
+
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (myAnimations); anIter.More(); anIter.Next())
+  {
+    anIter.ChangeValue()->Stop();
+  }
+}
+
+//=============================================================================
+//function : Update
+//purpose  :
+//=============================================================================
+Standard_Boolean AIS_Animation::Update (const Standard_Real thePts)
+{
+  AIS_AnimationProgress aPosition;
+  aPosition.Pts             = thePts;
+  aPosition.LocalPts        = thePts - myPtsStart;
+  aPosition.LocalNormalized = HasOwnDuration()
+                            ? (aPosition.LocalPts / myOwnDuration)
+                            : 0.0;
+  aPosition.LocalNormalized = Max (0.0, aPosition.LocalNormalized);
+  aPosition.LocalNormalized = Min (1.0, aPosition.LocalNormalized);
+  updateWithChildren (aPosition);
+  return thePts < myPtsStart + Duration();
+}
+
+//=============================================================================
+//function : updateWithChildren
+//purpose  :
+//=============================================================================
+void AIS_Animation::updateWithChildren (const AIS_AnimationProgress& thePosition)
+{
+  if (thePosition.LocalPts < 0.0
+   || IsStopped())
+  {
+    return;
+  }
+
+  for (NCollection_Sequence<Handle(AIS_Animation)>::Iterator anIter (myAnimations); anIter.More(); anIter.Next())
+  {
+    const Handle(AIS_Animation)& anAnim = anIter.Value();
+    AIS_AnimationProgress aPosition = thePosition;
+    aPosition.LocalPts        = aPosition.LocalPts - anAnim->StartPts();
+    aPosition.LocalNormalized = anAnim->HasOwnDuration()
+                              ? (aPosition.LocalPts / anAnim->OwnDuration())
+                              : 0.0;
+    aPosition.LocalNormalized = Max (0.0, aPosition.LocalNormalized);
+    aPosition.LocalNormalized = Min (1.0, aPosition.LocalNormalized);
+    anAnim->updateWithChildren (aPosition);
+  }
+
+  if (thePosition.LocalPts >= Duration())
+  {
+    Stop();
+  }
+
+  update (thePosition);
+}