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#include "drape/render_bucket.hpp"
#include "drape/attribute_buffer_mutator.hpp"
#include "drape/debug_rect_renderer.hpp"
#include "drape/overlay_handle.hpp"
#include "drape/overlay_tree.hpp"
#include "drape/vertex_array_buffer.hpp"
#include "base/stl_add.hpp"
#include "std/bind.hpp"
namespace dp
{
RenderBucket::RenderBucket(drape_ptr<VertexArrayBuffer> && buffer)
: m_buffer(move(buffer))
{
}
RenderBucket::~RenderBucket()
{
}
ref_ptr<VertexArrayBuffer> RenderBucket::GetBuffer()
{
return make_ref(m_buffer);
}
drape_ptr<VertexArrayBuffer> && RenderBucket::MoveBuffer()
{
return move(m_buffer);
}
size_t RenderBucket::GetOverlayHandlesCount() const
{
return m_overlay.size();
}
drape_ptr<OverlayHandle> RenderBucket::PopOverlayHandle()
{
ASSERT(!m_overlay.empty(), ());
size_t lastElement = m_overlay.size() - 1;
swap(m_overlay[0], m_overlay[lastElement]);
drape_ptr<OverlayHandle> h = move(m_overlay[lastElement]);
m_overlay.pop_back();
return h;
}
ref_ptr<OverlayHandle> RenderBucket::GetOverlayHandle(size_t index)
{
return make_ref(m_overlay[index]);
}
void RenderBucket::AddOverlayHandle(drape_ptr<OverlayHandle> && handle)
{
m_overlay.push_back(move(handle));
}
void RenderBucket::Update(ScreenBase const & modelView)
{
for (drape_ptr<OverlayHandle> & overlayHandle : m_overlay)
{
if (overlayHandle->IsVisible())
overlayHandle->Update(modelView);
}
}
void RenderBucket::CollectOverlayHandles(ref_ptr<OverlayTree> tree)
{
for (drape_ptr<OverlayHandle> const & overlayHandle : m_overlay)
tree->Add(make_ref(overlayHandle));
}
void RenderBucket::RemoveOverlayHandles(ref_ptr<OverlayTree> tree)
{
for (drape_ptr<OverlayHandle> const & overlayHandle : m_overlay)
tree->Remove(make_ref(overlayHandle));
}
void RenderBucket::Render()
{
ASSERT(m_buffer != nullptr, ());
if (!m_overlay.empty())
{
// in simple case when overlay is symbol each element will be contains 6 indexes
AttributeBufferMutator attributeMutator;
IndexBufferMutator indexMutator(6 * m_overlay.size());
ref_ptr<IndexBufferMutator> rfpIndex = make_ref(&indexMutator);
ref_ptr<AttributeBufferMutator> rfpAttrib = make_ref(&attributeMutator);
bool hasIndexMutation = false;
for (drape_ptr<OverlayHandle> const & handle : m_overlay)
{
if (handle->IndexesRequired())
{
if (handle->IsVisible())
handle->GetElementIndexes(rfpIndex);
hasIndexMutation = true;
}
if (handle->HasDynamicAttributes())
handle->GetAttributeMutation(rfpAttrib);
}
m_buffer->ApplyMutation(hasIndexMutation ? rfpIndex : nullptr, rfpAttrib);
}
m_buffer->Render();
}
void RenderBucket::SetFeatureMinZoom(int minZoom)
{
if (minZoom < m_featuresMinZoom)
m_featuresMinZoom = minZoom;
}
void RenderBucket::RenderDebug(ScreenBase const & screen) const
{
#ifdef RENDER_DEBUG_RECTS
if (!m_overlay.empty())
{
for (auto const & handle : m_overlay)
{
if (!screen.PixelRect().IsIntersect(handle->GetPixelRect(screen, false)))
continue;
OverlayHandle::Rects const & rects = handle->GetExtendedPixelShape(screen);
for (auto const & rect : rects)
{
if (screen.isPerspective() && !screen.PixelRectIn3d().IsIntersect(m2::RectD(rect)))
continue;
DebugRectRenderer::Instance().DrawRect(screen, rect, handle->IsVisible() ?
dp::Color::Green() : dp::Color::Red());
}
}
}
#endif
}
} // namespace dp
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