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Better performance but less tolerant of collision induced glitches. Also had to use const_cast to cache on ground status.

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This commit is contained in:
cc9cii 2014-04-13 18:34:08 +10:00
parent 3e6e325e5b
commit 966ed46870
1 changed files with 13 additions and 7 deletions
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18
apps/openmw/mwworld/worldimp.cpp
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@ -1721,13 +1721,18 @@ namespace MWWorld
// below the actor is detected and ignored. A value of 1.5 is used here, but
// something larger may be more suitable. This change should resolve Bug#1271.
//
// FIXME: Collision detection each time may have a performance impact.
// There might be better places to update PhysicActor::mOnGround.
// TODO: There might be better places to update PhysicActor::mOnGround.
bool World::isOnGround(const MWWorld::Ptr &ptr) const
{
RefData &refdata = ptr.getRefData();
const OEngine::Physic::PhysicActor *physactor = mPhysEngine->getCharacter(refdata.getHandle());
if(physactor)
if(!physactor)
return false;
if(physactor->getOnGround())
return true;
else
{
Ogre::Vector3 pos(ptr.getRefData().getPosition().pos);
OEngine::Physic::ActorTracer tracer;
@ -1737,13 +1742,14 @@ namespace MWWorld
pos - Ogre::Vector3(0, 0, 1.5f), // trace a small amount down
mPhysEngine);
if(tracer.mFraction < 1.0f) // collision, must be close to something below
return true; // TODO: should update physactor
else
return physactor->getOnGround();
{
const_cast<OEngine::Physic::PhysicActor *> (physactor)->setOnGround(true);
return true;
}
else
return false;
}
}
bool World::vanityRotateCamera(float * rot)
{