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Add 'prediction time' setting for cell/terrain pre-loading

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This commit is contained in:
scrawl 2017-07-19 16:43:29 +02:00
parent 3e03a0d7bd
commit 20606a2aff
4 changed files with 19 additions and 1 deletions
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3
apps/openmw/mwworld/scene.cpp
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@ -478,6 +478,7 @@ namespace MWWorld
, mPreloadExteriorGrid(Settings::Manager::getBool("preload exterior grid", "Cells"))
, mPreloadDoors(Settings::Manager::getBool("preload doors", "Cells"))
, mPreloadFastTravel(Settings::Manager::getBool("preload fast travel", "Cells"))
, mPredictionTime(Settings::Manager::getFloat("prediction time", "Cells"))
{
mPreloader.reset(new CellPreloader(rendering.getResourceSystem(), physics->getShapeManager(), rendering.getTerrain(), rendering.getLandManager()));
mPreloader->setWorkQueue(mRendering.getWorkQueue());
@ -685,7 +686,7 @@ namespace MWWorld
const MWWorld::ConstPtr player = MWBase::Environment::get().getWorld()->getPlayerPtr();
osg::Vec3f playerPos = player.getRefData().getPosition().asVec3();
osg::Vec3f moved = playerPos - mLastPlayerPos;
osg::Vec3f predictedPos = playerPos + moved / dt;
osg::Vec3f predictedPos = playerPos + moved / dt * mPredictionTime;
if (mCurrentCell->isExterior())
exteriorPositions.push_back(predictedPos);

1
apps/openmw/mwworld/scene.hpp
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@ -67,6 +67,7 @@ namespace MWWorld
bool mPreloadExteriorGrid;
bool mPreloadDoors;
bool mPreloadFastTravel;
float mPredictionTime;
osg::Vec3f mLastPlayerPos;

13
docs/source/reference/modding/settings/cells.rst
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@ -155,6 +155,19 @@ preload cell expiry delay
The amount of time (in seconds) that a preloaded cell will stay in cache after it is no longer referenced or required,
for example, after the player has moved away from a door without entering it.
prediction time
---------------
:Type: floating point
:Range: >=0
:Default: 1
The amount of time (in seconds) in the future to predict the player position for. This predicted position is used to preload any cells and/or distant terrain required at that position.
This setting will only have an effect if 'preload enabled' is set or the 'distant terrain' in the Terrain section is set.
Increasing this setting from its default may help if your computer/hard disk is too slow to preload in time and you see loading screens and/or lag spikes.
cache expiry delay
------------------

3
files/settings-default.cfg
View File

@ -73,6 +73,9 @@ preload cell cache max = 20
# How long to keep preloaded cells in cache after they're no longer referenced/required (in seconds)
preload cell expiry delay = 5
# The predicted position of the player N seconds in the future will be used for preloading cells and distant terrain
prediction time = 1
# How long to keep models/textures/collision shapes in cache after they're no longer referenced/required (in seconds)
cache expiry delay = 5