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Merge branch 'killmutex' into 'master'

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Remove mutex from PtrHolder

See merge request OpenMW/openmw!1110
This commit is contained in:
psi29a 2021-08-08 19:45:16 +00:00
commit cb7a4d20dd
14 changed files with 98 additions and 120 deletions
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2
apps/openmw/mwphysics/actor.cpp
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@ -21,7 +21,7 @@ namespace MWPhysics
Actor::Actor(const MWWorld::Ptr& ptr, const Resource::BulletShape* shape, PhysicsTaskScheduler* scheduler, bool canWaterWalk)
: mStandingOnPtr(nullptr), mCanWaterWalk(canWaterWalk), mWalkingOnWater(false)
, mCollisionObject(nullptr), mMeshTranslation(shape->mCollisionBox.center), mOriginalHalfExtents(shape->mCollisionBox.extents)
, mMeshTranslation(shape->mCollisionBox.center), mOriginalHalfExtents(shape->mCollisionBox.extents)
, mVelocity(0,0,0), mStuckFrames(0), mLastStuckPosition{0, 0, 0}
, mForce(0.f, 0.f, 0.f), mOnGround(true), mOnSlope(false)
, mInternalCollisionMode(true)

7
apps/openmw/mwphysics/actor.hpp
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@ -132,11 +132,6 @@ namespace MWPhysics
return mInternalCollisionMode && mOnSlope;
}
btCollisionObject* getCollisionObject() const
{
return mCollisionObject.get();
}
/// Sets whether this actor should be able to collide with the water surface
void setCanWaterWalk(bool waterWalk);
@ -188,8 +183,6 @@ namespace MWPhysics
std::unique_ptr<btCollisionShape> mShape;
btConvexShape* mConvexShape;
std::unique_ptr<btCollisionObject> mCollisionObject;
osg::Vec3f mMeshTranslation;
osg::Vec3f mOriginalHalfExtents;
osg::Vec3f mHalfExtents;

6
apps/openmw/mwphysics/actorconvexcallback.cpp
View file

@ -77,10 +77,8 @@ namespace MWPhysics
auto* projectileHolder = static_cast<Projectile*>(convexResult.m_hitCollisionObject->getUserPointer());
if (!projectileHolder->isActive())
return btScalar(1);
auto* targetHolder = static_cast<PtrHolder*>(mMe->getUserPointer());
const MWWorld::Ptr target = targetHolder->getPtr();
if (projectileHolder->isValidTarget(target))
projectileHolder->hit(target, convexResult.m_hitPointLocal, convexResult.m_hitNormalLocal);
if (projectileHolder->isValidTarget(mMe))
projectileHolder->hit(mMe, convexResult.m_hitPointLocal, convexResult.m_hitNormalLocal);
return btScalar(1);
}

14
apps/openmw/mwphysics/closestnotmerayresultcallback.cpp
View file

@ -7,6 +7,7 @@
#include "../mwworld/class.hpp"
#include "collisiontype.hpp"
#include "ptrholder.hpp"
namespace MWPhysics
@ -19,17 +20,14 @@ namespace MWPhysics
btScalar ClosestNotMeRayResultCallback::addSingleResult(btCollisionWorld::LocalRayResult& rayResult, bool normalInWorldSpace)
{
if (rayResult.m_collisionObject == mMe)
const auto* hitObject = rayResult.m_collisionObject;
if (hitObject == mMe)
return 1.f;
if (!mTargets.empty())
if (hitObject->getBroadphaseHandle()->m_collisionFilterGroup == CollisionType_Actor && !mTargets.empty())
{
if ((std::find(mTargets.begin(), mTargets.end(), rayResult.m_collisionObject) == mTargets.end()))
{
auto* holder = static_cast<PtrHolder*>(rayResult.m_collisionObject->getUserPointer());
if (holder && !holder->getPtr().isEmpty() && holder->getPtr().getClass().isActor())
return 1.f;
}
if ((std::find(mTargets.begin(), mTargets.end(), hitObject) == mTargets.end()))
return 1.f;
}
return btCollisionWorld::ClosestRayResultCallback::addSingleResult(rayResult, normalInWorldSpace);

9
apps/openmw/mwphysics/deepestnotmecontacttestresultcallback.cpp
View file

@ -6,6 +6,7 @@
#include "../mwworld/class.hpp"
#include "collisiontype.hpp"
#include "ptrholder.hpp"
namespace MWPhysics
@ -23,14 +24,10 @@ namespace MWPhysics
const btCollisionObject* collisionObject = col1Wrap->m_collisionObject;
if (collisionObject != mMe)
{
if (!mTargets.empty())
if (collisionObject->getBroadphaseHandle()->m_collisionFilterGroup == CollisionType_Actor && !mTargets.empty())
{
if ((std::find(mTargets.begin(), mTargets.end(), collisionObject) == mTargets.end()))
{
PtrHolder* holder = static_cast<PtrHolder*>(collisionObject->getUserPointer());
if (holder && !holder->getPtr().isEmpty() && holder->getPtr().getClass().isActor())
return 0.f;
}
return 0.f;
}
btScalar distsqr = mOrigin.distance2(cp.getPositionWorldOnA());

10
apps/openmw/mwphysics/object.cpp
View file

@ -83,16 +83,6 @@ namespace MWPhysics
}
}
btCollisionObject* Object::getCollisionObject()
{
return mCollisionObject.get();
}
const btCollisionObject* Object::getCollisionObject() const
{
return mCollisionObject.get();
}
btTransform Object::getTransform() const
{
std::unique_lock<std::mutex> lock(mPositionMutex);

3
apps/openmw/mwphysics/object.hpp
View file

@ -33,8 +33,6 @@ namespace MWPhysics
void setRotation(osg::Quat quat);
void updatePosition();
void commitPositionChange();
btCollisionObject* getCollisionObject();
const btCollisionObject* getCollisionObject() const;
btTransform getTransform() const;
/// Return solid flag. Not used by the object itself, true by default.
bool isSolid() const;
@ -45,7 +43,6 @@ namespace MWPhysics
bool animateCollisionShapes();
private:
std::unique_ptr<btCollisionObject> mCollisionObject;
osg::ref_ptr<Resource::BulletShapeInstance> mShapeInstance;
std::map<int, osg::NodePath> mRecIndexToNodePath;
bool mSolid;

14
apps/openmw/mwphysics/physicssystem.cpp
View file

@ -635,19 +635,7 @@ namespace MWPhysics
if (btFrom == btTo)
return;
const auto casterPtr = projectile->getCaster();
const auto* caster = [this,&casterPtr]() -> const btCollisionObject*
{
const Actor* actor = getActor(casterPtr);
if (actor)
return actor->getCollisionObject();
const Object* object = getObject(casterPtr);
if (object)
return object->getCollisionObject();
return nullptr;
}();
ProjectileConvexCallback resultCallback(caster, btFrom, btTo, projectile);
ProjectileConvexCallback resultCallback(projectile->getCasterCollisionObject(), projectile->getCollisionObject(), btFrom, btTo, projectile);
resultCallback.m_collisionFilterMask = 0xff;
resultCallback.m_collisionFilterGroup = CollisionType_Projectile;

58
apps/openmw/mwphysics/projectile.cpp
View file

@ -7,8 +7,10 @@
#include "../mwworld/class.hpp"
#include "actor.hpp"
#include "collisiontype.hpp"
#include "mtphysics.hpp"
#include "object.hpp"
#include "projectile.hpp"
namespace MWPhysics
@ -17,7 +19,7 @@ Projectile::Projectile(const MWWorld::Ptr& caster, const osg::Vec3f& position, f
: mCanCrossWaterSurface(canCrossWaterSurface)
, mCrossedWaterSurface(false)
, mActive(true)
, mCaster(caster)
, mHitTarget(nullptr)
, mWaterHitPosition(std::nullopt)
, mPhysics(physicssystem)
, mTaskScheduler(scheduler)
@ -32,6 +34,7 @@ Projectile::Projectile(const MWWorld::Ptr& caster, const osg::Vec3f& position, f
mCollisionObject->setUserPointer(this);
setPosition(position);
setCaster(caster);
const int collisionMask = CollisionType_World | CollisionType_HeightMap |
CollisionType_Actor | CollisionType_Door | CollisionType_Water | CollisionType_Projectile;
@ -77,54 +80,67 @@ bool Projectile::canTraverseWater() const
return mCanCrossWaterSurface;
}
void Projectile::hit(const MWWorld::Ptr& target, btVector3 pos, btVector3 normal)
void Projectile::hit(const btCollisionObject* target, btVector3 pos, btVector3 normal)
{
if (!mActive.load(std::memory_order_acquire))
bool active = true;
if (!mActive.compare_exchange_strong(active, false, std::memory_order_relaxed) || !active)
return;
std::scoped_lock lock(mMutex);
mHitTarget = target;
mHitPosition = pos;
mHitNormal = normal;
mActive.store(false, std::memory_order_release);
}
MWWorld::Ptr Projectile::getTarget() const
{
assert(!mActive);
auto* target = static_cast<PtrHolder*>(mHitTarget->getUserPointer());
return target ? target->getPtr() : MWWorld::Ptr();
}
MWWorld::Ptr Projectile::getCaster() const
{
std::scoped_lock lock(mMutex);
return mCaster;
}
void Projectile::setCaster(const MWWorld::Ptr& caster)
{
std::scoped_lock lock(mMutex);
mCaster = caster;
mCasterColObj = [this,&caster]() -> const btCollisionObject*
{
const Actor* actor = mPhysics->getActor(caster);
if (actor)
return actor->getCollisionObject();
const Object* object = mPhysics->getObject(caster);
if (object)
return object->getCollisionObject();
return nullptr;
}();
}
void Projectile::setValidTargets(const std::vector<MWWorld::Ptr>& targets)
{
std::scoped_lock lock(mMutex);
mValidTargets = targets;
mValidTargets.clear();
for (const auto& ptr : targets)
{
const auto* physicActor = mPhysics->getActor(ptr);
if (physicActor)
mValidTargets.push_back(physicActor->getCollisionObject());
}
}
bool Projectile::isValidTarget(const MWWorld::Ptr& target) const
bool Projectile::isValidTarget(const btCollisionObject* target) const
{
assert(target);
std::scoped_lock lock(mMutex);
if (mCaster == target)
if (mCasterColObj == target)
return false;
if (target.isEmpty() || mValidTargets.empty())
if (mValidTargets.empty())
return true;
bool validTarget = false;
for (const auto& targetActor : mValidTargets)
{
if (targetActor == target)
{
validTarget = true;
break;
}
}
return validTarget;
return std::any_of(mValidTargets.begin(), mValidTargets.end(),
[target](const btCollisionObject* actor) { return target == actor; });
}
std::optional<btVector3> Projectile::getWaterHitPosition()

25
apps/openmw/mwphysics/projectile.hpp
View file

@ -42,31 +42,26 @@ namespace MWPhysics
void setPosition(const osg::Vec3f& position);
osg::Vec3f getPosition() const;
btCollisionObject* getCollisionObject() const
{
return mCollisionObject.get();
}
bool isActive() const
{
return mActive.load(std::memory_order_acquire);
}
MWWorld::Ptr getTarget() const
{
assert(!mActive);
return mHitTarget;
}
MWWorld::Ptr getTarget() const;
MWWorld::Ptr getCaster() const;
void setCaster(const MWWorld::Ptr& caster);
const btCollisionObject* getCasterCollisionObject() const
{
return mCasterColObj;
}
bool canTraverseWater() const;
void hit(const MWWorld::Ptr& target, btVector3 pos, btVector3 normal);
void hit(const btCollisionObject* target, btVector3 pos, btVector3 normal);
void setValidTargets(const std::vector<MWWorld::Ptr>& targets);
bool isValidTarget(const MWWorld::Ptr& target) const;
bool isValidTarget(const btCollisionObject* target) const;
std::optional<btVector3> getWaterHitPosition();
void setWaterHitPosition(btVector3 pos);
@ -76,19 +71,19 @@ namespace MWPhysics
std::unique_ptr<btCollisionShape> mShape;
btConvexShape* mConvexShape;
std::unique_ptr<btCollisionObject> mCollisionObject;
bool mTransformUpdatePending;
bool mCanCrossWaterSurface;
bool mCrossedWaterSurface;
std::atomic<bool> mActive;
MWWorld::Ptr mCaster;
MWWorld::Ptr mHitTarget;
const btCollisionObject* mCasterColObj;
const btCollisionObject* mHitTarget;
std::optional<btVector3> mWaterHitPosition;
osg::Vec3f mPosition;
btVector3 mHitPosition;
btVector3 mHitNormal;
std::vector<MWWorld::Ptr> mValidTargets;
std::vector<const btCollisionObject*> mValidTargets;
mutable std::mutex mMutex;

35
apps/openmw/mwphysics/projectileconvexcallback.cpp
View file

@ -1,3 +1,5 @@
#include <BulletCollision/CollisionDispatch/btCollisionObject.h>
#include "../mwworld/class.hpp"
#include "actor.hpp"
@ -8,41 +10,41 @@
namespace MWPhysics
{
ProjectileConvexCallback::ProjectileConvexCallback(const btCollisionObject* me, const btVector3& from, const btVector3& to, Projectile* proj)
ProjectileConvexCallback::ProjectileConvexCallback(const btCollisionObject* caster, const btCollisionObject* me, const btVector3& from, const btVector3& to, Projectile* proj)
: btCollisionWorld::ClosestConvexResultCallback(from, to)
, mMe(me), mProjectile(proj)
, mCaster(caster)
, mMe(me)
, mProjectile(proj)
{
assert(mProjectile);
}
btScalar ProjectileConvexCallback::addSingleResult(btCollisionWorld::LocalConvexResult& result, bool normalInWorldSpace)
{
const auto* hitObject = result.m_hitCollisionObject;
// don't hit the caster
if (result.m_hitCollisionObject == mMe)
if (hitObject == mCaster)
return 1.f;
// don't hit the projectile
if (result.m_hitCollisionObject == mProjectile->getCollisionObject())
if (hitObject == mMe)
return 1.f;
btCollisionWorld::ClosestConvexResultCallback::addSingleResult(result, normalInWorldSpace);
switch (result.m_hitCollisionObject->getBroadphaseHandle()->m_collisionFilterGroup)
switch (hitObject->getBroadphaseHandle()->m_collisionFilterGroup)
{
case CollisionType_Actor:
{
auto* target = static_cast<Actor*>(result.m_hitCollisionObject->getUserPointer());
if (!mProjectile->isValidTarget(target->getPtr()))
if (!mProjectile->isValidTarget(hitObject))
return 1.f;
mProjectile->hit(target->getPtr(), result.m_hitPointLocal, result.m_hitNormalLocal);
break;
}
case CollisionType_Projectile:
{
auto* target = static_cast<Projectile*>(result.m_hitCollisionObject->getUserPointer());
if (!mProjectile->isValidTarget(target->getCaster()))
auto* target = static_cast<Projectile*>(hitObject->getUserPointer());
if (!mProjectile->isValidTarget(target->getCasterCollisionObject()))
return 1.f;
target->hit(mProjectile->getPtr(), m_hitPointWorld, m_hitNormalWorld);
mProjectile->hit(target->getPtr(), m_hitPointWorld, m_hitNormalWorld);
target->hit(mMe, m_hitPointWorld, m_hitNormalWorld);
break;
}
case CollisionType_Water:
@ -50,17 +52,10 @@ namespace MWPhysics
mProjectile->setWaterHitPosition(m_hitPointWorld);
if (mProjectile->canTraverseWater())
return 1.f;
mProjectile->hit(MWWorld::Ptr(), m_hitPointWorld, m_hitNormalWorld);
break;
}
default:
{
auto* target = static_cast<PtrHolder*>(result.m_hitCollisionObject->getUserPointer());
auto ptr = target ? target->getPtr() : MWWorld::Ptr();
mProjectile->hit(ptr, m_hitPointWorld, m_hitNormalWorld);
break;
}
}
mProjectile->hit(hitObject, m_hitPointWorld, m_hitNormalWorld);
return result.m_hitFraction;
}

3
apps/openmw/mwphysics/projectileconvexcallback.hpp
View file

@ -12,11 +12,12 @@ namespace MWPhysics
class ProjectileConvexCallback : public btCollisionWorld::ClosestConvexResultCallback
{
public:
ProjectileConvexCallback(const btCollisionObject* me, const btVector3& from, const btVector3& to, Projectile* proj);
ProjectileConvexCallback(const btCollisionObject* caster, const btCollisionObject* me, const btVector3& from, const btVector3& to, Projectile* proj);
btScalar addSingleResult(btCollisionWorld::LocalConvexResult& result, bool normalInWorldSpace) override;
private:
const btCollisionObject* mCaster;
const btCollisionObject* mMe;
Projectile* mProjectile;
};

16
apps/openmw/mwphysics/ptrholder.hpp
View file

@ -2,6 +2,9 @@
#define OPENMW_MWPHYSICS_PTRHOLDER_H
#include <mutex>
#include <memory>
#include <BulletCollision/CollisionDispatch/btCollisionObject.h>
#include "../mwworld/ptr.hpp"
@ -10,31 +13,26 @@ namespace MWPhysics
class PtrHolder
{
public:
virtual ~PtrHolder() {}
virtual ~PtrHolder() = default;
void updatePtr(const MWWorld::Ptr& updated)
{
std::scoped_lock lock(mMutex);
mPtr = updated;
}
MWWorld::Ptr getPtr()
{
std::scoped_lock lock(mMutex);
return mPtr;
}
MWWorld::ConstPtr getPtr() const
btCollisionObject* getCollisionObject() const
{
std::scoped_lock lock(mMutex);
return mPtr;
return mCollisionObject.get();
}
protected:
MWWorld::Ptr mPtr;
private:
mutable std::mutex mMutex;
std::unique_ptr<btCollisionObject> mCollisionObject;
};
}

16
apps/openmw/mwworld/projectilemanager.cpp
View file

@ -521,7 +521,7 @@ namespace MWWorld
}
MWMechanics::projectileHit(caster, target, bow, projectileRef.getPtr(), pos, projectileState.mAttackStrength);
cleanupProjectile(projectileState);
projectileState.mToDelete = true;
}
for (auto& magicBoltState : mMagicBolts)
{
@ -550,7 +550,19 @@ namespace MWWorld
cast.inflict(target, caster, magicBoltState.mEffects, ESM::RT_Target, false, true);
MWBase::Environment::get().getWorld()->explodeSpell(pos, magicBoltState.mEffects, caster, target, ESM::RT_Target, magicBoltState.mSpellId, magicBoltState.mSourceName);
cleanupMagicBolt(magicBoltState);
magicBoltState.mToDelete = true;
}
for (auto& projectileState : mProjectiles)
{
if (projectileState.mToDelete)
cleanupProjectile(projectileState);
}
for (auto& magicBoltState : mMagicBolts)
{
if (magicBoltState.mToDelete)
cleanupMagicBolt(magicBoltState);
}
mProjectiles.erase(std::remove_if(mProjectiles.begin(), mProjectiles.end(), [](const State& state) { return state.mToDelete; }),
mProjectiles.end());