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#include "render_group.hpp"
#include "../base/stl_add.hpp"
#include "../geometry/screenbase.hpp"
#include "../std/bind.hpp"
namespace df
{
RenderGroup::RenderGroup(dp::GLState const & state, df::TileKey const & tileKey)
: m_state(state)
, m_tileKey(tileKey)
, m_pendingOnDelete(false)
{
}
RenderGroup::~RenderGroup()
{
DeleteRange(m_renderBuckets, dp::MasterPointerDeleter());
}
void RenderGroup::Update(ScreenBase const & modelView)
{
for_each(m_renderBuckets.begin(), m_renderBuckets.end(), bind(&dp::RenderBucket::Update,
bind(&dp::NonConstGetter<dp::RenderBucket>, _1),
modelView));
}
void RenderGroup::CollectOverlay(dp::RefPointer<dp::OverlayTree> tree)
{
for_each(m_renderBuckets.begin(), m_renderBuckets.end(), bind(&dp::RenderBucket::CollectOverlayHandles,
bind(&dp::NonConstGetter<dp::RenderBucket>, _1),
tree));
}
void RenderGroup::Render(ScreenBase const & screen)
{
ASSERT(m_pendingOnDelete == false, ());
for_each(m_renderBuckets.begin(), m_renderBuckets.end(), bind(&dp::RenderBucket::Render,
bind(&dp::NonConstGetter<dp::RenderBucket>, _1), screen));
}
void RenderGroup::PrepareForAdd(size_t countForAdd)
{
m_renderBuckets.reserve(m_renderBuckets.size() + countForAdd);
}
void RenderGroup::AddBucket(dp::TransferPointer<dp::RenderBucket> bucket)
{
m_renderBuckets.push_back(dp::MasterPointer<dp::RenderBucket>(bucket));
}
bool RenderGroup::IsLess(RenderGroup const & other) const
{
return m_state < other.m_state;
}
RenderBucketComparator::RenderBucketComparator(set<TileKey> const & activeTiles)
: m_activeTiles(activeTiles)
, m_needGroupMergeOperation(false)
, m_needBucketsMergeOperation(false)
{
}
void RenderBucketComparator::ResetInternalState()
{
m_needBucketsMergeOperation = false;
m_needGroupMergeOperation = false;
}
bool RenderBucketComparator::operator()(RenderGroup const * l, RenderGroup const * r)
{
dp::GLState const & lState = l->GetState();
dp::GLState const & rState = r->GetState();
TileKey const & lKey = l->GetTileKey();
TileKey const & rKey = r->GetTileKey();
if (!l->IsPendingOnDelete() && (l->IsEmpty() || m_activeTiles.find(lKey) == m_activeTiles.end()))
l->DeleteLater();
if (!r->IsPendingOnDelete() && (r->IsEmpty() || m_activeTiles.find(rKey) == m_activeTiles.end()))
r->DeleteLater();
bool lPendingOnDelete = l->IsPendingOnDelete();
bool rPendingOnDelete = r->IsPendingOnDelete();
if (lState == rState && lKey == rKey && !lPendingOnDelete)
m_needGroupMergeOperation = true;
if (rPendingOnDelete == lPendingOnDelete)
return lState < rState;
if (rPendingOnDelete)
return true;
return false;
}
} // namespace df
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