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Move head tracking update into a separate function

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elsid 2022-07-04 21:22:52 +02:00
parent fe206c1526
commit 77eaf2082f
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GPG key ID: 4DE04C198CBA7625
1 changed files with 82 additions and 77 deletions
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159
apps/openmw/mwmechanics/actors.cpp
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@ -224,6 +224,7 @@ void removeTemporaryEffects(const MWWorld::Ptr& ptr)
return spell.getType() == ESM::ActiveSpells::Type_Consumable || spell.getType() == ESM::ActiveSpells::Type_Temporary;
}, ptr);
}
}
namespace MWMechanics
@ -240,6 +241,86 @@ namespace MWMechanics
const auto distanceToNextPathPoint = (package.getNextPathPoint(package.getDestination()) - position).length();
return (distanceToNextPathPoint - package.getNextPathPointTolerance(speed, duration, halfExtents)) / speed;
}
void updateHeadTracking(const MWWorld::Ptr& actor, const MWWorld::Ptr& targetActor,
MWWorld::Ptr& headTrackTarget, float& sqrHeadTrackDistance, bool inCombatOrPursue)
{
const auto& actorRefData = actor.getRefData();
if (!actorRefData.getBaseNode())
return;
if (targetActor.getClass().getCreatureStats(targetActor).isDead())
return;
static const float fMaxHeadTrackDistance = MWBase::Environment::get().getWorld()->getStore()
.get<ESM::GameSetting>().find("fMaxHeadTrackDistance")->mValue.getFloat();
static const float fInteriorHeadTrackMult = MWBase::Environment::get().getWorld()->getStore()
.get<ESM::GameSetting>().find("fInteriorHeadTrackMult")->mValue.getFloat();
float maxDistance = fMaxHeadTrackDistance;
const ESM::Cell* currentCell = actor.getCell()->getCell();
if (!currentCell->isExterior() && !(currentCell->mData.mFlags & ESM::Cell::QuasiEx))
maxDistance *= fInteriorHeadTrackMult;
const osg::Vec3f actor1Pos(actorRefData.getPosition().asVec3());
const osg::Vec3f actor2Pos(targetActor.getRefData().getPosition().asVec3());
float sqrDist = (actor1Pos - actor2Pos).length2();
if (sqrDist > std::min(maxDistance * maxDistance, sqrHeadTrackDistance) && !inCombatOrPursue)
return;
// stop tracking when target is behind the actor
osg::Vec3f actorDirection = actorRefData.getBaseNode()->getAttitude() * osg::Vec3f(0,1,0);
osg::Vec3f targetDirection(actor2Pos - actor1Pos);
actorDirection.z() = 0;
targetDirection.z() = 0;
if ((actorDirection * targetDirection > 0 || inCombatOrPursue)
// check LOS and awareness last as it's the most expensive function
&& MWBase::Environment::get().getWorld()->getLOS(actor, targetActor)
&& MWBase::Environment::get().getMechanicsManager()->awarenessCheck(targetActor, actor))
{
sqrHeadTrackDistance = sqrDist;
headTrackTarget = targetActor;
}
}
void updateHeadTracking(const MWWorld::Ptr& ptr, const std::list<Actor>& actors, bool isPlayer, CharacterController& ctrl)
{
float sqrHeadTrackDistance = std::numeric_limits<float>::max();
MWWorld::Ptr headTrackTarget;
const MWMechanics::CreatureStats& stats = ptr.getClass().getCreatureStats(ptr);
const bool firstPersonPlayer = isPlayer && MWBase::Environment::get().getWorld()->isFirstPerson();
// 1. Unconsious actor can not track target
// 2. Actors in combat and pursue mode do not bother to headtrack anyone except their target
// 3. Player character does not use headtracking in the 1st-person view
if (!stats.getKnockedDown() && !firstPersonPlayer)
{
bool inCombatOrPursue = stats.getAiSequence().isInCombat() || stats.getAiSequence().isInPursuit();
if (inCombatOrPursue)
{
auto activePackageTarget = stats.getAiSequence().getActivePackage().getTarget();
if (!activePackageTarget.isEmpty())
{
// Track the specified target of package.
updateHeadTracking(ptr, activePackageTarget, headTrackTarget, sqrHeadTrackDistance, inCombatOrPursue);
}
}
else
{
// Find something nearby.
for (const Actor& otherActor : actors)
{
if (otherActor.getPtr() == ptr)
continue;
updateHeadTracking(ptr, otherActor.getPtr(), headTrackTarget, sqrHeadTrackDistance, inCombatOrPursue);
}
}
}
ctrl.setHeadTrackTarget(headTrackTarget);
}
}
void Actors::updateActor (const MWWorld::Ptr& ptr, float duration)
@ -251,46 +332,6 @@ namespace MWMechanics
calculateRestoration(ptr, duration);
}
static void updateHeadTracking(const MWWorld::Ptr& actor, const MWWorld::Ptr& targetActor,
MWWorld::Ptr& headTrackTarget, float& sqrHeadTrackDistance, bool inCombatOrPursue)
{
const auto& actorRefData = actor.getRefData();
if (!actorRefData.getBaseNode())
return;
if (targetActor.getClass().getCreatureStats(targetActor).isDead())
return;
static const float fMaxHeadTrackDistance = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>()
.find("fMaxHeadTrackDistance")->mValue.getFloat();
static const float fInteriorHeadTrackMult = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>()
.find("fInteriorHeadTrackMult")->mValue.getFloat();
float maxDistance = fMaxHeadTrackDistance;
const ESM::Cell* currentCell = actor.getCell()->getCell();
if (!currentCell->isExterior() && !(currentCell->mData.mFlags & ESM::Cell::QuasiEx))
maxDistance *= fInteriorHeadTrackMult;
const osg::Vec3f actor1Pos(actorRefData.getPosition().asVec3());
const osg::Vec3f actor2Pos(targetActor.getRefData().getPosition().asVec3());
float sqrDist = (actor1Pos - actor2Pos).length2();
if (sqrDist > std::min(maxDistance * maxDistance, sqrHeadTrackDistance) && !inCombatOrPursue)
return;
// stop tracking when target is behind the actor
osg::Vec3f actorDirection = actorRefData.getBaseNode()->getAttitude() * osg::Vec3f(0,1,0);
osg::Vec3f targetDirection(actor2Pos - actor1Pos);
actorDirection.z() = 0;
targetDirection.z() = 0;
if ((actorDirection * targetDirection > 0 || inCombatOrPursue)
&& MWBase::Environment::get().getWorld()->getLOS(actor, targetActor) // check LOS and awareness last as it's the most expensive function
&& MWBase::Environment::get().getMechanicsManager()->awarenessCheck(targetActor, actor))
{
sqrHeadTrackDistance = sqrDist;
headTrackTarget = targetActor;
}
}
void Actors::playIdleDialogue(const MWWorld::Ptr& actor)
{
if (!actor.getClass().isActor() || actor == getPlayer() || MWBase::Environment::get().getSoundManager()->sayActive(actor))
@ -1461,43 +1502,7 @@ namespace MWMechanics
}
}
if (mTimerUpdateHeadTrack == 0)
{
float sqrHeadTrackDistance = std::numeric_limits<float>::max();
MWWorld::Ptr headTrackTarget;
MWMechanics::CreatureStats& stats = actor.getPtr().getClass().getCreatureStats(actor.getPtr());
bool firstPersonPlayer = isPlayer && world->isFirstPerson();
// 1. Unconsious actor can not track target
// 2. Actors in combat and pursue mode do not bother to headtrack anyone except their target
// 3. Player character does not use headtracking in the 1st-person view
if (!stats.getKnockedDown() && !firstPersonPlayer)
{
bool inCombatOrPursue = stats.getAiSequence().isInCombat() || stats.getAiSequence().isInPursuit();
if (inCombatOrPursue)
{
auto activePackageTarget = stats.getAiSequence().getActivePackage().getTarget();
if (!activePackageTarget.isEmpty())
{
// Track the specified target of package.
updateHeadTracking(actor.getPtr(), activePackageTarget, headTrackTarget, sqrHeadTrackDistance, inCombatOrPursue);
}
}
else
{
// Find something nearby.
for (const Actor& otherActor : mActors)
{
if (otherActor.getPtr() == actor.getPtr())
continue;
updateHeadTracking(actor.getPtr(), otherActor.getPtr(), headTrackTarget, sqrHeadTrackDistance, inCombatOrPursue);
}
}
}
ctrl.setHeadTrackTarget(headTrackTarget);
}
updateHeadTracking(actor.getPtr(), mActors, isPlayer, ctrl);
if (actor.getPtr().getClass().isNpc() && actor.getPtr() != player)
updateCrimePursuit(actor.getPtr(), duration);