overte-HifiExperiments/libraries/shared/src/SpatiallyNestable.h

251 lines
12 KiB
C++

//
// SpatiallyNestable.h
// libraries/shared/src/
//
// Created by Seth Alves on 2015-10-18
// 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_SpatiallyNestable_h
#define hifi_SpatiallyNestable_h
#include <QUuid>
#include "Transform.h"
#include "AACube.h"
#include "SpatialParentFinder.h"
#include "shared/ReadWriteLockable.h"
class SpatiallyNestable;
using SpatiallyNestableWeakPointer = std::weak_ptr<SpatiallyNestable>;
using SpatiallyNestableWeakConstPointer = std::weak_ptr<const SpatiallyNestable>;
using SpatiallyNestablePointer = std::shared_ptr<SpatiallyNestable>;
using SpatiallyNestableConstPointer = std::shared_ptr<const SpatiallyNestable>;
static const uint16_t INVALID_JOINT_INDEX = -1;
enum class NestableType {
Entity,
Avatar,
Overlay
};
class SpatiallyNestable : public std::enable_shared_from_this<SpatiallyNestable> {
public:
SpatiallyNestable(NestableType nestableType, QUuid id);
virtual ~SpatiallyNestable();
virtual const QUuid getID() const;
virtual void setID(const QUuid& id);
virtual QString getName() const { return "SpatiallyNestable"; }
virtual const QUuid getParentID() const;
virtual void setParentID(const QUuid& parentID);
virtual quint16 getParentJointIndex() const { return _parentJointIndex; }
virtual void setParentJointIndex(quint16 parentJointIndex);
static glm::vec3 worldToLocal(const glm::vec3& position, const QUuid& parentID, int parentJointIndex,
bool scalesWithParent, bool& success);
static glm::quat worldToLocal(const glm::quat& orientation, const QUuid& parentID, int parentJointIndex,
bool scalesWithParent, bool& success);
static glm::vec3 worldToLocalVelocity(const glm::vec3& velocity, const QUuid& parentID,
int parentJointIndex, bool scalesWithParent, bool& success);
static glm::vec3 worldToLocalAngularVelocity(const glm::vec3& angularVelocity, const QUuid& parentID,
int parentJointIndex, bool scalesWithParent, bool& success);
static glm::vec3 worldToLocalDimensions(const glm::vec3& dimensions, const QUuid& parentID,
int parentJointIndex, bool scalesWithParent, bool& success);
static glm::vec3 localToWorld(const glm::vec3& position, const QUuid& parentID, int parentJointIndex,
bool scalesWithParent, bool& success);
static glm::quat localToWorld(const glm::quat& orientation, const QUuid& parentID, int parentJointIndex,
bool scalesWithParent, bool& success);
static glm::vec3 localToWorldVelocity(const glm::vec3& velocity,
const QUuid& parentID, int parentJointIndex, bool scalesWithParent, bool& success);
static glm::vec3 localToWorldAngularVelocity(const glm::vec3& angularVelocity,
const QUuid& parentID, int parentJointIndex,
bool scalesWithParent, bool& success);
static glm::vec3 localToWorldDimensions(const glm::vec3& dimensions, const QUuid& parentID,
int parentJointIndex, bool scalesWithParent, bool& success);
static QString nestableTypeToString(NestableType nestableType);
virtual bool isParentPathComplete() const;
// world frame
virtual const Transform getTransform(bool& success, int depth = 0) const;
virtual const Transform getTransform() const;
virtual void setTransform(const Transform& transform, bool& success);
virtual bool setTransform(const Transform& transform);
virtual Transform getParentTransform(bool& success, int depth = 0) const;
void setWorldTransform(const glm::vec3& position, const glm::quat& orientation);
virtual glm::vec3 getWorldPosition(bool& success) const;
virtual glm::vec3 getWorldPosition() const;
virtual void setWorldPosition(const glm::vec3& position, bool& success, bool tellPhysics = true);
virtual void setWorldPosition(const glm::vec3& position);
virtual glm::quat getWorldOrientation(bool& success) const;
virtual glm::quat getWorldOrientation() const;
virtual glm::quat getWorldOrientation(int jointIndex, bool& success) const;
virtual void setWorldOrientation(const glm::quat& orientation, bool& success, bool tellPhysics = true);
virtual void setWorldOrientation(const glm::quat& orientation);
virtual glm::vec3 getWorldVelocity(bool& success) const;
virtual glm::vec3 getWorldVelocity() const;
virtual void setWorldVelocity(const glm::vec3& velocity, bool& success);
virtual void setWorldVelocity(const glm::vec3& velocity);
virtual glm::vec3 getParentVelocity(bool& success) const;
virtual glm::vec3 getWorldAngularVelocity(bool& success) const;
virtual glm::vec3 getWorldAngularVelocity() const;
virtual void setWorldAngularVelocity(const glm::vec3& angularVelocity, bool& success);
virtual void setWorldAngularVelocity(const glm::vec3& angularVelocity);
virtual glm::vec3 getParentAngularVelocity(bool& success) const;
virtual AACube getMaximumAACube(bool& success) const;
virtual void setQueryAACube(const AACube& queryAACube);
virtual bool queryAACubeNeedsUpdate() const;
virtual bool shouldPuffQueryAACube() const { return false; }
bool updateQueryAACube();
void forceQueryAACubeUpdate() { _queryAACubeSet = false; }
virtual AACube getQueryAACube(bool& success) const;
virtual AACube getQueryAACube() const;
virtual glm::vec3 getSNScale() const;
virtual glm::vec3 getSNScale(bool& success) const;
virtual void setSNScale(const glm::vec3& scale);
virtual void setSNScale(const glm::vec3& scale, bool& success);
// get world-frame values for a specific joint
virtual const Transform getTransform(int jointIndex, bool& success, int depth = 0) const;
virtual glm::vec3 getWorldPosition(int jointIndex, bool& success) const;
virtual glm::vec3 getSNScale(int jointIndex, bool& success) const;
// object's parent's frame
virtual Transform getLocalTransform() const;
virtual void setLocalTransform(const Transform& transform);
virtual glm::vec3 getLocalPosition() const;
virtual void setLocalPosition(const glm::vec3& position, bool tellPhysics = true);
virtual glm::quat getLocalOrientation() const;
virtual void setLocalOrientation(const glm::quat& orientation);
virtual glm::vec3 getLocalVelocity() const;
virtual void setLocalVelocity(const glm::vec3& velocity);
virtual glm::vec3 getLocalAngularVelocity() const;
virtual void setLocalAngularVelocity(const glm::vec3& angularVelocity);
virtual glm::vec3 getLocalSNScale() const;
virtual void setLocalSNScale(const glm::vec3& scale);
virtual bool getScalesWithParent() const { return false; }
virtual glm::vec3 scaleForChildren() const { return glm::vec3(1.0f); }
QList<SpatiallyNestablePointer> getChildren() const;
bool hasChildren() const;
NestableType getNestableType() const { return _nestableType; }
// this object's frame
virtual const Transform getAbsoluteJointTransformInObjectFrame(int jointIndex) const;
virtual glm::vec3 getAbsoluteJointScaleInObjectFrame(int index) const { return glm::vec3(1.0f); }
virtual glm::quat getAbsoluteJointRotationInObjectFrame(int index) const { return glm::quat(); }
virtual glm::vec3 getAbsoluteJointTranslationInObjectFrame(int index) const { return glm::vec3(); }
virtual bool setAbsoluteJointRotationInObjectFrame(int index, const glm::quat& rotation) { return false; }
virtual bool setAbsoluteJointTranslationInObjectFrame(int index, const glm::vec3& translation) {return false; }
virtual glm::quat getLocalJointRotation(int index) const {return glm::quat(); }
virtual glm::vec3 getLocalJointTranslation(int index) const {return glm::vec3(); }
virtual bool setLocalJointRotation(int index, const glm::quat& rotation) { return false; }
virtual bool setLocalJointTranslation(int index, const glm::vec3& translation) { return false; }
SpatiallyNestablePointer getThisPointer() const;
using ChildLambda = std::function<void(const SpatiallyNestablePointer&)>;
using ChildLambdaTest = std::function<bool(const SpatiallyNestablePointer&)>;
void forEachChild(const ChildLambda& actor) const;
void forEachDescendant(const ChildLambda& actor) const;
void forEachChildTest(const ChildLambdaTest& actor) const;
void forEachDescendantTest(const ChildLambdaTest& actor) const;
void die() { _isDead = true; }
bool isDead() const { return _isDead; }
bool isParentIDValid() const { bool success = false; getParentPointer(success); return success; }
virtual SpatialParentTree* getParentTree() const { return nullptr; }
bool hasAncestorOfType(NestableType nestableType) const;
const QUuid findAncestorOfType(NestableType nestableType) const;
SpatiallyNestablePointer getParentPointer(bool& success) const;
static SpatiallyNestablePointer findByID(QUuid id, bool& success);
void getLocalTransformAndVelocities(Transform& localTransform,
glm::vec3& localVelocity,
glm::vec3& localAngularVelocity) const;
void setLocalTransformAndVelocities(
const Transform& localTransform,
const glm::vec3& localVelocity,
const glm::vec3& localAngularVelocity);
bool scaleChangedSince(quint64 time) const { return _scaleChanged > time; }
bool tranlationChangedSince(quint64 time) const { return _translationChanged > time; }
bool rotationChangedSince(quint64 time) const { return _rotationChanged > time; }
void dump(const QString& prefix = "") const;
virtual void locationChanged(bool tellPhysics = true); // called when a this object's location has changed
virtual void dimensionsChanged() { _queryAACubeSet = false; } // called when a this object's dimensions have changed
virtual void parentDeleted() { } // called on children of a deleted parent
protected:
const NestableType _nestableType; // EntityItem or an AvatarData
QUuid _id;
mutable SpatiallyNestableWeakPointer _parent;
virtual void beParentOfChild(SpatiallyNestablePointer newChild) const;
virtual void forgetChild(SpatiallyNestablePointer newChild) const;
virtual void recalculateChildCauterization() const { }
mutable ReadWriteLockable _childrenLock;
mutable QHash<QUuid, SpatiallyNestableWeakPointer> _children;
// _queryAACube is used to decide where something lives in the octree
mutable AACube _queryAACube;
mutable bool _queryAACubeSet { false };
quint64 _scaleChanged { 0 };
quint64 _translationChanged { 0 };
quint64 _rotationChanged { 0 };
private:
QUuid _parentID; // what is this thing's transform relative to?
quint16 _parentJointIndex { INVALID_JOINT_INDEX }; // which joint of the parent is this relative to?
mutable ReadWriteLockable _transformLock;
mutable ReadWriteLockable _idLock;
mutable ReadWriteLockable _velocityLock;
mutable ReadWriteLockable _angularVelocityLock;
Transform _transform; // this is to be combined with parent's world-transform to produce this' world-transform.
glm::vec3 _velocity;
glm::vec3 _angularVelocity;
mutable bool _parentKnowsMe { false };
bool _isDead { false };
bool _queryAACubeIsPuffed { false };
};
#endif // hifi_SpatiallyNestable_h