overte-HifiExperiments/libraries/physics/src/PhysicalEntitySimulation.h
2017-01-17 13:47:45 -08:00

83 lines
3 KiB
C++

//
// PhysicalEntitySimulation.h
// libraries/physcis/src
//
// Created by Andrew Meadows 2015.04.27
// Copyright 2015 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_PhysicalEntitySimulation_h
#define hifi_PhysicalEntitySimulation_h
#include <stdint.h>
#include <btBulletDynamicsCommon.h>
#include <BulletCollision/CollisionDispatch/btGhostObject.h>
#include <EntityItem.h>
#include <EntitySimulation.h>
#include "PhysicsEngine.h"
#include "EntityMotionState.h"
class PhysicalEntitySimulation;
using PhysicalEntitySimulationPointer = std::shared_ptr<PhysicalEntitySimulation>;
using SetOfEntityMotionStates = QSet<EntityMotionState*>;
class PhysicalEntitySimulation : public EntitySimulation {
public:
PhysicalEntitySimulation();
~PhysicalEntitySimulation();
void init(EntityTreePointer tree, PhysicsEnginePointer engine, EntityEditPacketSender* packetSender);
virtual void addAction(EntityActionPointer action) override;
virtual void applyActionChanges() override;
virtual void takeEntitiesToDelete(VectorOfEntities& entitiesToDelete) override;
protected: // only called by EntitySimulation
// overrides for EntitySimulation
virtual void updateEntitiesInternal(const quint64& now) override;
virtual void addEntityInternal(EntityItemPointer entity) override;
virtual void removeEntityInternal(EntityItemPointer entity) override;
virtual void changeEntityInternal(EntityItemPointer entity) override;
virtual void clearEntitiesInternal() override;
public:
virtual void prepareEntityForDelete(EntityItemPointer entity) override;
void getObjectsToRemoveFromPhysics(VectorOfMotionStates& result);
void deleteObjectsRemovedFromPhysics();
void getObjectsToAddToPhysics(VectorOfMotionStates& result);
void setObjectsToChange(const VectorOfMotionStates& objectsToChange);
void getObjectsToChange(VectorOfMotionStates& result);
void handleOutgoingChanges(const VectorOfMotionStates& motionStates);
void handleCollisionEvents(const CollisionEvents& collisionEvents);
EntityEditPacketSender* getPacketSender() { return _entityPacketSender; }
private:
SetOfEntities _entitiesToRemoveFromPhysics;
SetOfEntities _entitiesToRelease;
SetOfEntities _entitiesToAddToPhysics;
SetOfEntityMotionStates _pendingChanges; // EntityMotionStates already in PhysicsEngine that need their physics changed
SetOfEntityMotionStates _outgoingChanges; // EntityMotionStates for which we need to send updates to entity-server
SetOfMotionStates _physicalObjects; // MotionStates of entities in PhysicsEngine
PhysicsEnginePointer _physicsEngine = nullptr;
EntityEditPacketSender* _entityPacketSender = nullptr;
uint32_t _lastStepSendPackets { 0 };
};
typedef std::shared_ptr<PhysicalEntitySimulation> PhysicalEntitySimulationPointer;
#endif // hifi_PhysicalEntitySimulation_h