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#include "drape/overlay_handle.hpp"
#include "drape/constants.hpp"
#include "base/macros.hpp"
#include "base/internal/message.hpp"
#include "base/logging.hpp"
#include <algorithm>
#include <ios>
#include <sstream>
namespace dp
{
struct OverlayHandle::OffsetNodeFinder
{
public:
OffsetNodeFinder(uint8_t bufferID) : m_bufferID(bufferID) {}
bool operator()(OverlayHandle::TOffsetNode const & node) const
{
return node.first.GetID() == m_bufferID;
}
private:
uint8_t m_bufferID;
};
OverlayHandle::OverlayHandle(OverlayID const & id, dp::Anchor anchor,
uint64_t priority, int minVisibleScale, bool isBillboard)
: m_id(id)
, m_anchor(anchor)
, m_priority(priority)
, m_overlayRank(OverlayRank0)
, m_extendingSize(0.0)
, m_pivotZ(0.0)
, m_minVisibleScale(minVisibleScale)
, m_isBillboard(isBillboard)
, m_isVisible(false)
, m_enableCaching(false)
, m_extendedShapeDirty(true)
, m_extendedRectDirty(true)
{}
void OverlayHandle::SetCachingEnable(bool enable)
{
m_enableCaching = enable;
m_extendedShapeDirty = true;
m_extendedRectDirty = true;
}
bool OverlayHandle::IsVisible() const
{
return m_isVisible;
}
void OverlayHandle::SetIsVisible(bool isVisible)
{
m_isVisible = isVisible;
}
int OverlayHandle::GetMinVisibleScale() const
{
return m_minVisibleScale;
}
bool OverlayHandle::IsBillboard() const
{
return m_isBillboard;
}
m2::PointD OverlayHandle::GetPivot(ScreenBase const & screen, bool perspective) const
{
m2::RectD r = GetPixelRect(screen, false);
m2::PointD size(0.5 * r.SizeX(), 0.5 * r.SizeY());
m2::PointD result = r.Center();
if (m_anchor & dp::Left)
result.x -= size.x;
else if (m_anchor & dp::Right)
result.x += size.x;
if (m_anchor & dp::Top)
result.y -= size.y;
else if (m_anchor & dp::Bottom)
result.y += size.y;
if (perspective)
result = screen.PtoP3d(result, -m_pivotZ / screen.GetScale());
return result;
}
bool OverlayHandle::IsIntersect(ScreenBase const & screen, ref_ptr<OverlayHandle> const h) const
{
Rects const & ar1 = GetExtendedPixelShape(screen);
Rects const & ar2 = h->GetExtendedPixelShape(screen);
for (size_t i = 0; i < ar1.size(); ++i)
{
for (size_t j = 0; j < ar2.size(); ++j)
{
if (ar1[i].IsIntersect(ar2[j]))
return true;
}
}
return false;
}
void * OverlayHandle::IndexStorage(uint32_t size)
{
m_indexes.Resize(size);
return m_indexes.GetRaw();
}
void OverlayHandle::GetElementIndexes(ref_ptr<IndexBufferMutator> mutator) const
{
ASSERT_EQUAL(m_isVisible, true, ());
mutator->AppendIndexes(m_indexes.GetRawConst(), m_indexes.Size());
}
void OverlayHandle::GetAttributeMutation(ref_ptr<AttributeBufferMutator> mutator) const
{
UNUSED_VALUE(mutator);
}
bool OverlayHandle::HasDynamicAttributes() const
{
return !m_offsets.empty();
}
void OverlayHandle::AddDynamicAttribute(BindingInfo const & binding, uint32_t offset, uint32_t count)
{
ASSERT(binding.IsDynamic(), ());
ASSERT(std::find_if(m_offsets.begin(), m_offsets.end(),
OffsetNodeFinder(binding.GetID())) == m_offsets.end(), ());
m_offsets.insert(std::make_pair(binding, MutateRegion(offset, count)));
}
OverlayID const & OverlayHandle::GetOverlayID() const
{
return m_id;
}
uint64_t const & OverlayHandle::GetPriority() const
{
return m_priority;
}
OverlayHandle::TOffsetNode const & OverlayHandle::GetOffsetNode(uint8_t bufferID) const
{
auto const it = std::find_if(m_offsets.begin(), m_offsets.end(), OffsetNodeFinder(bufferID));
ASSERT(it != m_offsets.end(), ());
return *it;
}
m2::RectD OverlayHandle::GetExtendedPixelRect(ScreenBase const & screen) const
{
if (m_enableCaching && !m_extendedRectDirty)
return m_extendedRectCache;
m_extendedRectCache = GetPixelRect(screen, screen.isPerspective());
m_extendedRectCache.Inflate(m_extendingSize, m_extendingSize);
m_extendedRectDirty = false;
return m_extendedRectCache;
}
OverlayHandle::Rects const & OverlayHandle::GetExtendedPixelShape(ScreenBase const & screen) const
{
if (m_enableCaching && !m_extendedShapeDirty)
return m_extendedShapeCache;
m_extendedShapeCache.clear();
GetPixelShape(screen, screen.isPerspective(), m_extendedShapeCache);
for (auto & rect : m_extendedShapeCache)
rect.Inflate(m_extendingSize, m_extendingSize);
m_extendedShapeDirty = false;
return m_extendedShapeCache;
}
m2::RectD OverlayHandle::GetPerspectiveRect(m2::RectD const & pixelRect, ScreenBase const & screen) const
{
m2::PointD const tmpPoint = screen.PtoP3d(pixelRect.LeftTop());
m2::RectD perspectiveRect(tmpPoint, tmpPoint);
perspectiveRect.Add(screen.PtoP3d(pixelRect.LeftBottom()));
perspectiveRect.Add(screen.PtoP3d(pixelRect.RightBottom()));
perspectiveRect.Add(screen.PtoP3d(pixelRect.RightTop()));
return perspectiveRect;
}
m2::RectD OverlayHandle::GetPixelRectPerspective(ScreenBase const & screen) const
{
if (m_isBillboard)
{
m2::PointD const pxPivot = GetPivot(screen, false);
m2::PointD const pxPivotPerspective = screen.PtoP3d(pxPivot, -m_pivotZ / screen.GetScale());
m2::RectD pxRectPerspective = GetPixelRect(screen, false);
pxRectPerspective.Offset(-pxPivot);
pxRectPerspective.Offset(pxPivotPerspective);
return pxRectPerspective;
}
return GetPerspectiveRect(GetPixelRect(screen, false), screen);
}
SquareHandle::SquareHandle(OverlayID const & id, dp::Anchor anchor, m2::PointD const & gbPivot,
m2::PointD const & pxSize, m2::PointD const & pxOffset,
uint64_t priority, bool isBound, std::string const & debugStr,
int minVisibleScale, bool isBillboard)
: TBase(id, anchor, priority, minVisibleScale, isBillboard)
, m_pxHalfSize(pxSize.x / 2.0, pxSize.y / 2.0)
, m_gbPivot(gbPivot)
, m_pxOffset(pxOffset)
, m_isBound(isBound)
#ifdef DEBUG_OVERLAYS_OUTPUT
, m_debugStr(debugStr)
#endif
{}
m2::RectD SquareHandle::GetPixelRect(ScreenBase const & screen, bool perspective) const
{
if (perspective)
return GetPixelRectPerspective(screen);
m2::PointD const pxPivot = screen.GtoP(m_gbPivot) + m_pxOffset;
m2::RectD result(pxPivot - m_pxHalfSize, pxPivot + m_pxHalfSize);
m2::PointD offset(0.0, 0.0);
if (m_anchor & dp::Left)
offset.x = m_pxHalfSize.x;
else if (m_anchor & dp::Right)
offset.x = -m_pxHalfSize.x;
if (m_anchor & dp::Top)
offset.y = m_pxHalfSize.y;
else if (m_anchor & dp::Bottom)
offset.y = -m_pxHalfSize.y;
result.Offset(offset);
return result;
}
void SquareHandle::GetPixelShape(ScreenBase const & screen, bool perspective, Rects & rects) const
{
rects.emplace_back(GetPixelRect(screen, perspective));
}
bool SquareHandle::IsBound() const { return m_isBound; }
#ifdef DEBUG_OVERLAYS_OUTPUT
std::string SquareHandle::GetOverlayDebugInfo()
{
std::ostringstream out;
out << "POI Priority(" << std::hex << GetPriority() << ") " << std::dec
<< GetOverlayID().m_featureId.m_index << "-" << GetOverlayID().m_index << " "
<< m_debugStr;
return out.str();
}
#endif
uint64_t CalculateOverlayPriority(int minZoomLevel, uint8_t rank, float depth)
{
// Overlay priority consider the following:
// - Minimum visible zoom level (the less the better);
// - Manual priority from styles (equals to the depth);
// - Rank of the feature (the more the better);
// [1 byte - zoom][4 bytes - priority][1 byte - rank][2 bytes - 0xFFFF].
uint8_t const minZoom = 0xFF - static_cast<uint8_t>(std::max(minZoomLevel, 0));
float const kMinDepth = -100000.0f;
float const kMaxDepth = 100000.0f;
float const d = base::clamp(depth, kMinDepth, kMaxDepth) - kMinDepth;
auto const priority = static_cast<uint32_t>(d);
return (static_cast<uint64_t>(minZoom) << 56) |
(static_cast<uint64_t>(priority) << 24) |
(static_cast<uint64_t>(rank) << 16) |
static_cast<uint64_t>(0xFFFF);
}
uint64_t CalculateSpecialModePriority(uint16_t specialPriority)
{
// [6 bytes - 0xFFFFFFFFFFFF][2 bytes - special priority]
static uint64_t constexpr kMask = ~static_cast<uint64_t>(0xFFFF);
uint64_t priority = dp::kPriorityMaskAll;
priority &= kMask;
priority |= specialPriority;
return priority;
}
uint64_t CalculateUserMarkPriority(int minZoomLevel, uint16_t specialPriority)
{
// [1 byte - zoom][5 bytes - 0xFFFFFFFFFF][2 bytes - special priority]
uint8_t const minZoom = 0xFF - static_cast<uint8_t>(std::max(minZoomLevel, 0));
uint64_t priority = ~dp::kPriorityMaskZoomLevel;
return priority | (static_cast<uint64_t>(minZoom) << 56) | static_cast<uint64_t>(specialPriority);
}
} // namespace dp
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