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Avoid swimming into the air from underwater

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This commit is contained in:
Chris Robinson 2013-08-21 07:06:07 -07:00
parent 9f09bb6f6f
commit 602be9bbe7
2 changed files with 30 additions and 3 deletions
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28
apps/openmw/mwworld/physicssystem.cpp
View file

@ -107,7 +107,8 @@ namespace MWWorld
}
static Ogre::Vector3 move(const MWWorld::Ptr &ptr, const Ogre::Vector3 &movement, float time,
bool isSwimming, bool isFlying, OEngine::Physic::PhysicEngine *engine)
bool isSwimming, bool isFlying, float waterlevel,
OEngine::Physic::PhysicEngine *engine)
{
const ESM::Position &refpos = ptr.getRefData().getPosition();
Ogre::Vector3 position(refpos.pos);
@ -127,6 +128,8 @@ namespace MWWorld
Ogre::Vector3 halfExtents = physicActor->getHalfExtents();
position.z += halfExtents.z;
waterlevel -= halfExtents.z * 0.5;
OEngine::Physic::ActorTracer tracer;
bool wasOnGround = false;
bool isOnGround = false;
@ -168,8 +171,21 @@ namespace MWWorld
float remainingTime = time;
for(int iterations = 0;iterations < sMaxIterations && remainingTime > 0.01f;++iterations)
{
Ogre::Vector3 nextpos = newPosition + velocity*remainingTime;
if(isSwimming && !isFlying &&
nextpos.z > waterlevel && newPosition.z <= waterlevel)
{
const Ogre::Vector3 down(0,0,-1);
Ogre::Real movelen = velocity.normalise();
Ogre::Vector3 reflectdir = velocity.reflect(down);
reflectdir.normalise();
velocity = slide(reflectdir, down)*movelen;
continue;
}
// trace to where character would go if there were no obstructions
tracer.doTrace(colobj, newPosition, newPosition+velocity*remainingTime, engine);
tracer.doTrace(colobj, newPosition, nextpos, engine);
// check for obstructions
if(tracer.mFraction >= 1.0f)
@ -567,10 +583,16 @@ namespace MWWorld
PtrVelocityList::iterator iter = mMovementQueue.begin();
for(;iter != mMovementQueue.end();iter++)
{
float waterlevel = -std::numeric_limits<float>::max();
const MWWorld::CellStore *cellstore = iter->first.getCell();
if(cellstore->mCell->hasWater())
waterlevel = cellstore->mCell->mWater;
Ogre::Vector3 newpos;
newpos = MovementSolver::move(iter->first, iter->second, mTimeAccum,
world->isSwimming(iter->first),
world->isFlying(iter->first), mEngine);
world->isFlying(iter->first),
waterlevel, mEngine);
mMovementResults.push_back(std::make_pair(iter->first, newpos));
}

5
components/esm/loadcell.hpp
View file

@ -119,6 +119,11 @@ struct Cell
return mData.mY;
}
bool hasWater() const
{
return (mData.mFlags&HasWater);
}
// Restore the given reader to the stored position. Will try to open
// the file matching the stored file name. If you want to read from
// somewhere other than the file system, you need to pre-open the