overte-HifiExperiments/libraries/physics/src/EntityMotionState.h
2015-04-27 13:04:59 -07:00

91 lines
3.7 KiB
C++

//
// EntityMotionState.h
// libraries/entities/src
//
// Created by Andrew Meadows on 2014.11.06
// Copyright 2013 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_EntityMotionState_h
#define hifi_EntityMotionState_h
#include <AACube.h>
#include "ObjectMotionState.h"
class EntityItem;
// From the MotionState's perspective:
// Inside = physics simulation
// Outside = external agents (scripts, user interaction, other simulations)
class EntityMotionState : public ObjectMotionState {
public:
// The OutgoingEntityQueue is a pointer to a QSet (owned by an EntitySimulation) of EntityItem*'s
// that have been changed by the physics simulation.
// All ObjectMotionState's with outgoing changes put themselves on the list.
static void setOutgoingEntityList(QSet<EntityItem*>* list);
static void enqueueOutgoingEntity(EntityItem* entity);
EntityMotionState(EntityItem* item);
virtual ~EntityMotionState();
/// \return MOTION_TYPE_DYNAMIC or MOTION_TYPE_STATIC based on params set in EntityItem
virtual MotionType computeObjectMotionType() const;
virtual void updateKinematicState(uint32_t substep);
virtual void stepKinematicSimulation(quint64 now);
virtual bool isMoving() const;
// this relays incoming position/rotation to the RigidBody
virtual void getWorldTransform(btTransform& worldTrans) const;
// this relays outgoing position/rotation to the EntityItem
virtual void setWorldTransform(const btTransform& worldTrans);
// these relay incoming values to the RigidBody
virtual void updateBodyEasy(uint32_t flags, uint32_t step);
virtual void updateBodyMaterialProperties();
virtual void updateBodyVelocities();
virtual void computeObjectShapeInfo(ShapeInfo& shapeInfo);
virtual float computeObjectMass(const ShapeInfo& shapeInfo) const;
virtual bool shouldSendUpdate(uint32_t simulationFrame);
virtual void sendUpdate(OctreeEditPacketSender* packetSender, uint32_t step);
virtual uint32_t getIncomingDirtyFlags() const;
virtual void clearIncomingDirtyFlags(uint32_t flags) { _entity->clearDirtyFlags(flags); }
void incrementAccelerationNearlyGravityCount() { _accelerationNearlyGravityCount++; }
void resetAccelerationNearlyGravityCount() { _accelerationNearlyGravityCount = 0; }
quint8 getAccelerationNearlyGravityCount() { return _accelerationNearlyGravityCount; }
virtual EntityItem* getEntity() const { return _entity; }
virtual void setShouldClaimSimulationOwnership(bool value) { _shouldClaimSimulationOwnership = value; }
virtual bool getShouldClaimSimulationOwnership() { return _shouldClaimSimulationOwnership; }
virtual float getObjectRestitution() const { return _entity->getRestitution(); }
virtual float getObjectFriction() const { return _entity->getFriction(); }
virtual float getObjectLinearDamping() const { return _entity->getDamping(); }
virtual float getObjectAngularDamping() const { return _entity->getAngularDamping(); }
virtual const glm::vec3& getObjectPosition() const { return _entity->getPosition(); }
virtual const glm::quat& getObjectRotation() const { return _entity->getRotation(); }
virtual const glm::vec3& getObjectLinearVelocity() const { return _entity->getVelocity(); }
virtual const glm::vec3& getObjectAngularVelocity() const { return _entity->getAngularVelocity(); }
virtual const glm::vec3& getObjectGravity() const { return _entity->getGravity(); }
protected:
EntityItem* _entity;
quint8 _accelerationNearlyGravityCount;
bool _shouldClaimSimulationOwnership;
quint32 _movingStepsWithoutSimulationOwner;
};
#endif // hifi_EntityMotionState_h