tdf#136097: make physics animation effects handle skips and rewinds

Making box2d world only stay populated when there's an animation
effect going on. This makes it possible to get rid of big chunk
of sequential update implementation.

Change-Id: Iaf50d4871b2355035495618354f0ae09abe94164
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/101304
Tested-by: Jenkins
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

1 files changed, 6 insertions, 13 deletions

diff --git a/slideshow/source/inc/box2dtools.hxx b/slideshow/source/inc/box2dtools.hxx
index 0debf1da4ef0..6bfc9dfd1b7c 100644
--- a/slideshow/source/inc/box2dtools.hxx
+++ b/slideshow/source/inc/box2dtools.hxx
@@ -65,13 +65,6 @@ struct Box2DDynamicUpdateInformation
     int mnDelayForSteps = 0;
 };
 
-union Box2DStaticUpdateInformation {
-    ::basegfx::B2DPoint maPosition;
-    bool mbVisibility;
-    double mfAngle;
-    Box2DStaticUpdateInformation() {}
-};
-
 /** Class that manages the Box2D World
 
     This class is used when there's a simulated animation going on,
@@ -89,16 +82,12 @@ private:
     /// Holds whether or not there is a Physics Animation node that
     /// is stepping the Box2D World
     bool mbHasWorldStepper;
+    int mnPhysicsAnimationCounter;
     std::unordered_map<css::uno::Reference<css::drawing::XShape>, Box2DBodySharedPtr>
         mpXShapeToBodyMap;
     /// Holds any information needed to keep LO animations and Box2D world in sync
     /// if they are going in parallel
     std::queue<Box2DDynamicUpdateInformation> maShapeParallelUpdateQueue;
-    /// Holds necessary information to update a shape's body that was altered by an
-    /// animation effect while there was no Physics Animation going in parallel
-    std::map<std::pair<css::uno::Reference<css::drawing::XShape>, box2DNonsimulatedShapeUpdateType>,
-             Box2DStaticUpdateInformation>
-        maShapeSequentialUpdate;
 
     /// Creates a static frame in Box2D world that corresponds to the slide borders
     void createStaticFrameAroundSlide(const ::basegfx::B2DVector& rSlideSize);
@@ -270,7 +259,11 @@ public:
     void queueShapeAnimationEndUpdate(const css::uno::Reference<css::drawing::XShape>& xShape,
                                       const slideshow::internal::AttributeType eAttrType);
 
-    void alertAnimationEndForShape(const slideshow::internal::ShapeSharedPtr& pShape);
+    void alertPhysicsAnimationEnd(const slideshow::internal::ShapeSharedPtr& pShape);
+
+    void
+    alertPhysicsAnimationStart(const ::basegfx::B2DVector& rSlideSize,
+                               const slideshow::internal::ShapeManagerSharedPtr& pShapeManager);
 };
 
 /// Class that manages a single box2D Body