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Load cells in order from nearest to player to furthest

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elsid 2018-04-01 16:54:10 +03:00
parent 430ba9d7a5
commit 0c8db84962
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GPG Key ID: B845CB9FEE18AB40
2 changed files with 49 additions and 25 deletions
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72
apps/openmw/mwworld/scene.cpp
View File

@ -201,6 +201,11 @@ namespace
} }
}; };
int getCellPositionDistanceToOrigin(const std::pair<int, int>& cellPosition)
{
return std::abs(cellPosition.first) + std::abs(cellPosition.second);
}
} }
@ -398,7 +403,7 @@ namespace MWWorld
} }
} }
void Scene::changeCellGrid (int X, int Y, bool changeEvent) void Scene::changeCellGrid (int playerCellX, int playerCellY, bool changeEvent)
{ {
Loading::Listener* loadingListener = MWBase::Environment::get().getWindowManager()->getLoadingScreen(); Loading::Listener* loadingListener = MWBase::Environment::get().getWindowManager()->getLoadingScreen();
Loading::ScopedLoad load(loadingListener); Loading::ScopedLoad load(loadingListener);
@ -411,8 +416,8 @@ namespace MWWorld
{ {
if ((*active)->getCell()->isExterior()) if ((*active)->getCell()->isExterior())
{ {
if (std::abs (X-(*active)->getCell()->getGridX())<=mHalfGridSize && if (std::abs (playerCellX-(*active)->getCell()->getGridX())<=mHalfGridSize &&
std::abs (Y-(*active)->getCell()->getGridY())<=mHalfGridSize) std::abs (playerCellY-(*active)->getCell()->getGridY())<=mHalfGridSize)
{ {
// keep cells within the new grid // keep cells within the new grid
++active; ++active;
@ -423,10 +428,11 @@ namespace MWWorld
} }
std::size_t refsToLoad = 0; std::size_t refsToLoad = 0;
std::vector<std::pair<int, int>> cellsPositionsToLoad;
// get the number of refs to load // get the number of refs to load
for (int x=X-mHalfGridSize; x<=X+mHalfGridSize; ++x) for (int x = playerCellX - mHalfGridSize; x <= playerCellX + mHalfGridSize; ++x)
{ {
for (int y=Y-mHalfGridSize; y<=Y+mHalfGridSize; ++y) for (int y = playerCellY - mHalfGridSize; y <= playerCellY + mHalfGridSize; ++y)
{ {
CellStoreCollection::iterator iter = mActiveCells.begin(); CellStoreCollection::iterator iter = mActiveCells.begin();
@ -442,40 +448,58 @@ namespace MWWorld
} }
if (iter==mActiveCells.end()) if (iter==mActiveCells.end())
{
refsToLoad += MWBase::Environment::get().getWorld()->getExterior(x, y)->count(); refsToLoad += MWBase::Environment::get().getWorld()->getExterior(x, y)->count();
cellsPositionsToLoad.push_back(std::make_pair(x, y));
}
} }
} }
loadingListener->setProgressRange(refsToLoad); loadingListener->setProgressRange(refsToLoad);
// Load cells const auto getDistanceToPlayerCell = [&] (const std::pair<int, int>& cellPosition)
for (int x=X-mHalfGridSize; x<=X+mHalfGridSize; ++x)
{ {
for (int y=Y-mHalfGridSize; y<=Y+mHalfGridSize; ++y) return std::abs(cellPosition.first - playerCellX) + std::abs(cellPosition.second - playerCellY);
};
const auto getCellPositionPriority = [&] (const std::pair<int, int>& cellPosition)
{
return std::make_pair(getDistanceToPlayerCell(cellPosition), getCellPositionDistanceToOrigin(cellPosition));
};
std::sort(cellsPositionsToLoad.begin(), cellsPositionsToLoad.end(),
[&] (const std::pair<int, int>& lhs, const std::pair<int, int>& rhs) {
return getCellPositionPriority(lhs) < getCellPositionPriority(rhs);
});
// Load cells
for (const auto& cellPosition : cellsPositionsToLoad)
{
const auto x = cellPosition.first;
const auto y = cellPosition.second;
CellStoreCollection::iterator iter = mActiveCells.begin();
while (iter != mActiveCells.end())
{ {
CellStoreCollection::iterator iter = mActiveCells.begin(); assert ((*iter)->getCell()->isExterior());
while (iter!=mActiveCells.end()) if (x == (*iter)->getCell()->getGridX() &&
{ y == (*iter)->getCell()->getGridY())
assert ((*iter)->getCell()->isExterior()); break;
if (x==(*iter)->getCell()->getGridX() && ++iter;
y==(*iter)->getCell()->getGridY()) }
break;
++iter; if (iter == mActiveCells.end())
} {
CellStore *cell = MWBase::Environment::get().getWorld()->getExterior(x, y);
if (iter==mActiveCells.end()) loadCell (cell, loadingListener, changeEvent);
{
CellStore *cell = MWBase::Environment::get().getWorld()->getExterior(x, y);
loadCell (cell, loadingListener, changeEvent);
}
} }
} }
CellStore* current = MWBase::Environment::get().getWorld()->getExterior(X,Y); CellStore* current = MWBase::Environment::get().getWorld()->getExterior(playerCellX, playerCellY);
MWBase::Environment::get().getWindowManager()->changeCell(current); MWBase::Environment::get().getWindowManager()->changeCell(current);
if (changeEvent) if (changeEvent)

2
apps/openmw/mwworld/scene.hpp
View File

@ -74,7 +74,7 @@ namespace MWWorld
void insertCell (CellStore &cell, bool rescale, Loading::Listener* loadingListener); void insertCell (CellStore &cell, bool rescale, Loading::Listener* loadingListener);
// Load and unload cells as necessary to create a cell grid with "X" and "Y" in the center // Load and unload cells as necessary to create a cell grid with "X" and "Y" in the center
void changeCellGrid (int X, int Y, bool changeEvent = true); void changeCellGrid (int playerCellX, int playerCellY, bool changeEvent = true);
void getGridCenter(int& cellX, int& cellY); void getGridCenter(int& cellX, int& cellY);