Add support for setting a time index in the ClipAnimator

This makes it possible to seek the animation clip to a specific position
in the time-line. The index is a real value between 0 and 1, where 0.0 is
the start of the clip and 1.0 is at the end of the clip

Change-Id: Ic8c57d04e4f1e0a7628713e057b5b8a41a400c5a
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/src/animation/backend/clipanimator_p.h b/src/animation/backend/clipanimator_p.h
index 28c0ae51d..f4c04a4bf 100644
--- a/src/animation/backend/clipanimator_p.h
+++ b/src/animation/backend/clipanimator_p.h
@@ -77,12 +77,14 @@ public:
     bool isRunning() const { return m_running; }
     void setLoops(int loops) { m_loops = loops; }
     int loops() const { return m_loops; }
+    void setNormalizedLocalTime(float normalizedLocalTime);
+    float normalizedLocalTime() const { return m_normalizedLocalTime; }
 
     void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) override;
     void setHandler(Handler *handler) { m_handler = handler; }
 
     // Called by jobs
-    bool canRun() const { return !m_clipId.isNull() && !m_mapperId.isNull() && m_running; }
+    bool canRun() const { return !m_clipId.isNull() && !m_mapperId.isNull(); }
     void setMappingData(const QVector<MappingData> &mappingData) { m_mappingData = mappingData; }
     QVector<MappingData> mappingData() const { return m_mappingData; }
 
@@ -105,6 +107,14 @@ public:
     double lastLocalTime() const;
     void setLastLocalTime(double lastLocalTime);
 
+    float lastNormalizedLocalTime() { return m_lastNormalizedLocalTime; }
+    void setLastNormalizedLocalTime(float normalizedLocalTime);
+    bool isSeeking() const
+    {
+        return isValidNormalizedTime(m_normalizedLocalTime)
+                && !qFuzzyCompare(m_lastNormalizedLocalTime, m_normalizedLocalTime);
+    }
+
 private:
     void initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change) final;
 
@@ -121,6 +131,9 @@ private:
 
     int m_currentLoop;
     ClipFormat m_clipFormat;
+
+    float m_normalizedLocalTime;
+    float m_lastNormalizedLocalTime;
 };
 
 } // namespace Animation