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#include "follow_animation.hpp"
#include "animation_constants.hpp"
#include "animation_system.hpp"
#include "base/assert.hpp"
#include "base/logging.hpp"
namespace df
{
MapFollowAnimation::MapFollowAnimation(ScreenBase const & screen,
m2::PointD const & globalUserPosition,
m2::PointD const & endPixelPosition,
double startScale, double endScale,
double startAngle, double endAngle,
bool isAutoZoom)
: Animation(true /* couldBeInterrupted */, true /* couldBeBlended */)
, m_isAutoZoom(isAutoZoom)
, m_scaleInterpolator(startScale, endScale, m_isAutoZoom)
, m_angleInterpolator(startAngle, endAngle)
, m_globalPosition(globalUserPosition)
, m_endPixelPosition(endPixelPosition)
{
m_offset = screen.PtoG(screen.P3dtoP(m_endPixelPosition)) - m_globalPosition;
double const scale = m_isAutoZoom ? screen.GetScale() : (startScale + endScale) / 2.0;
double const moveDuration = PositionInterpolator::GetMoveDuration(m_offset.Length(), screen.PixelRectIn3d(), scale);
m_offsetInterpolator = PositionInterpolator(moveDuration, 0.0, m_offset, m2::PointD(0.0, 0.0));
double const duration = CalculateDuration();
m_scaleInterpolator.SetMinDuration(duration);
m_angleInterpolator.SetMinDuration(duration);
m_objects.insert(Animation::MapPlane);
if (m_scaleInterpolator.IsActive())
m_properties.insert(Animation::Scale);
if (m_angleInterpolator.IsActive())
m_properties.insert(Animation::Angle);
if (m_offsetInterpolator.IsActive() || m_scaleInterpolator.IsActive() || m_angleInterpolator.IsActive())
m_properties.insert(Animation::Position);
// If MapFollowAnimation affects only angles, disable rewinding.
SetCouldBeRewinded(!m_angleInterpolator.IsActive() || m_scaleInterpolator.IsActive() ||
m_offsetInterpolator.IsActive());
}
Animation::TObjectProperties const & MapFollowAnimation::GetProperties(TObject object) const
{
ASSERT_EQUAL(object, Animation::MapPlane, ());
return m_properties;
}
bool MapFollowAnimation::HasProperty(TObject object, TProperty property) const
{
return HasObject(object) && m_properties.find(property) != m_properties.end();
}
void MapFollowAnimation::Advance(double elapsedSeconds)
{
if (m_angleInterpolator.IsActive())
m_angleInterpolator.Advance(elapsedSeconds);
if (m_scaleInterpolator.IsActive())
m_scaleInterpolator.Advance(elapsedSeconds);
if (m_offsetInterpolator.IsActive())
m_offsetInterpolator.Advance(elapsedSeconds);
}
void MapFollowAnimation::Finish()
{
if (m_angleInterpolator.IsActive())
m_angleInterpolator.Finish();
if (m_scaleInterpolator.IsActive())
{
if (m_isAutoZoom)
m_scaleInterpolator.SetActive(false);
else
m_scaleInterpolator.Finish();
}
if (m_offsetInterpolator.IsActive())
m_offsetInterpolator.Finish();
Animation::Finish();
}
void MapFollowAnimation::SetMaxDuration(double maxDuration)
{
if (m_angleInterpolator.IsActive())
m_angleInterpolator.SetMaxDuration(maxDuration);
if (!m_isAutoZoom && m_scaleInterpolator.IsActive())
m_scaleInterpolator.SetMaxDuration(maxDuration);
if (m_offsetInterpolator.IsActive())
m_offsetInterpolator.SetMaxDuration(maxDuration);
}
double MapFollowAnimation::GetDuration() const
{
return CalculateDuration();
}
double MapFollowAnimation::CalculateDuration() const
{
double duration = max(m_angleInterpolator.GetDuration(), m_offsetInterpolator.GetDuration());
if (!m_isAutoZoom)
duration = max(duration, m_scaleInterpolator.GetDuration());
return duration;
}
bool MapFollowAnimation::IsFinished() const
{
return m_angleInterpolator.IsFinished() && m_scaleInterpolator.IsFinished() && m_offsetInterpolator.IsFinished();
}
bool MapFollowAnimation::GetProperty(TObject object, TProperty property, PropertyValue & value) const
{
return GetProperty(object, property, false /* targetValue */, value);
}
bool MapFollowAnimation::GetTargetProperty(TObject object, TProperty property, PropertyValue & value) const
{
return GetProperty(object, property, true /* targetValue */, value);
}
bool MapFollowAnimation::GetProperty(TObject object, TProperty property, bool targetValue, PropertyValue & value) const
{
if (property == Animation::Position)
{
ScreenBase tmp = AnimationSystem::Instance().GetLastScreen();
if (targetValue)
{
tmp.SetFromParams(m_globalPosition, m_angleInterpolator.GetTargetAngle(), m_isAutoZoom ? m_scaleInterpolator.GetScale()
: m_scaleInterpolator.GetTargetScale());
tmp.MatchGandP3d(m_globalPosition, m_endPixelPosition);
}
else
{
double const scale = m_scaleInterpolator.GetScale() / m_scaleInterpolator.GetStartScale();
double const angle = m_angleInterpolator.GetAngle() - m_angleInterpolator.GetStartAngle();
m2::PointD offset = m_offsetInterpolator.GetPosition() * scale;
offset.Rotate(angle);
m2::PointD pos = m_globalPosition + offset;
tmp.SetFromParams(m_globalPosition, m_angleInterpolator.GetAngle(), m_scaleInterpolator.GetScale());
tmp.MatchGandP3d(pos, m_endPixelPosition);
}
value = PropertyValue(tmp.GetOrg());
return true;
}
if (property == Animation::Angle)
{
value = PropertyValue(targetValue ? m_angleInterpolator.GetTargetAngle() : m_angleInterpolator.GetAngle());
return true;
}
if (property == Animation::Scale)
{
value = PropertyValue((targetValue && !m_isAutoZoom) ? m_scaleInterpolator.GetTargetScale()
: m_scaleInterpolator.GetScale());
return true;
}
ASSERT(false, ("Wrong property:", property));
return false;
}
bool MapFollowAnimation::HasScale() const
{
return m_scaleInterpolator.IsActive();
}
bool MapFollowAnimation::HasPixelOffset() const
{
return m_offsetInterpolator.IsActive();
}
} // namespace df
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