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#pragma once
#include "drape/pointers.hpp"
#include "std/function.hpp"
#include "std/limits.hpp"
class ScreenBase;
namespace df
{
class BatchMergeHelper;
}
namespace dp
{
class OverlayHandle;
class OverlayTree;
class VertexArrayBuffer;
class RenderBucket
{
friend class df::BatchMergeHelper;
public:
RenderBucket(drape_ptr<VertexArrayBuffer> && buffer);
~RenderBucket();
ref_ptr<VertexArrayBuffer> GetBuffer();
drape_ptr<VertexArrayBuffer> && MoveBuffer();
size_t GetOverlayHandlesCount() const;
drape_ptr<OverlayHandle> PopOverlayHandle();
ref_ptr<OverlayHandle> GetOverlayHandle(size_t index);
void AddOverlayHandle(drape_ptr<OverlayHandle> && handle);
void Update(ScreenBase const & modelView);
void CollectOverlayHandles(ref_ptr<OverlayTree> tree);
void RemoveOverlayHandles(ref_ptr<OverlayTree> tree);
void Render();
// Only for testing! Don't use this function in production code!
void RenderDebug(ScreenBase const & screen) const;
// Only for testing! Don't use this function in production code!
template <typename ToDo>
void ForEachOverlay(ToDo const & todo)
{
for (drape_ptr<OverlayHandle> const & h : m_overlay)
todo(make_ref(h));
}
void SetFeatureMinZoom(int minZoom);
int GetMinZoom() const { return m_featuresMinZoom; }
private:
int m_featuresMinZoom = numeric_limits<int>::max();
vector<drape_ptr<OverlayHandle> > m_overlay;
drape_ptr<VertexArrayBuffer> m_buffer;
};
} // namespace dp
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