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https://github.com/TES3MP/openmw-tes3mp.git
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82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
#include <memory>
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#include <BulletCollision/CollisionShapes/btSphereShape.h>
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#include <BulletCollision/CollisionDispatch/btCollisionWorld.h>
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#include <LinearMath/btVector3.h>
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#include <components/debug/debuglog.hpp>
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#include <components/misc/convert.hpp>
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#include <components/resource/bulletshape.hpp>
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#include <components/sceneutil/positionattitudetransform.hpp>
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#include "../mwworld/class.hpp"
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#include "collisiontype.hpp"
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#include "mtphysics.hpp"
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#include "projectile.hpp"
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namespace MWPhysics
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{
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Projectile::Projectile(int projectileId, const osg::Vec3f& position, PhysicsTaskScheduler* scheduler)
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: mActive(true)
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, mTaskScheduler(scheduler)
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, mProjectileId(projectileId)
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{
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mShape.reset(new btSphereShape(1.f));
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mConvexShape = static_cast<btConvexShape*>(mShape.get());
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mCollisionObject.reset(new btCollisionObject);
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mCollisionObject->setCollisionFlags(btCollisionObject::CF_KINEMATIC_OBJECT);
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mCollisionObject->setActivationState(DISABLE_DEACTIVATION);
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mCollisionObject->setCollisionShape(mShape.get());
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mCollisionObject->setUserPointer(this);
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setPosition(position);
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const int collisionMask = CollisionType_World | CollisionType_HeightMap |
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CollisionType_Actor | CollisionType_Door | CollisionType_Water;
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mTaskScheduler->addCollisionObject(mCollisionObject.get(), CollisionType_Projectile, collisionMask);
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commitPositionChange();
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}
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Projectile::~Projectile()
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{
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if (mCollisionObject)
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mTaskScheduler->removeCollisionObject(mCollisionObject.get());
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}
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void Projectile::commitPositionChange()
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{
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std::unique_lock<std::mutex> lock(mPositionMutex);
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if (mTransformUpdatePending)
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{
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mCollisionObject->setWorldTransform(mLocalTransform);
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mTransformUpdatePending = false;
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}
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}
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void Projectile::setPosition(const osg::Vec3f &position)
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{
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std::unique_lock<std::mutex> lock(mPositionMutex);
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mLocalTransform.setOrigin(Misc::Convert::toBullet(position));
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mTransformUpdatePending = true;
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}
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void Projectile::hit(MWWorld::Ptr target, osg::Vec3f pos)
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{
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if (!mActive.load(std::memory_order_acquire))
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return;
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std::unique_lock<std::mutex> lock(mPositionMutex);
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mHitTarget = target;
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mHitPosition = pos;
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mActive.store(false, std::memory_order_release);
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}
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void Projectile::activate()
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{
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assert(!mActive);
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mActive.store(true, std::memory_order_release);
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}
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}
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