overte-HifiExperiments/interface/src/raypick/CollisionPick.h
2018-10-09 12:11:55 -07:00

79 lines
3.5 KiB
C++

//
// Created by Sabrina Shanman 7/11/2018
// Copyright 2018 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_CollisionPick_h
#define hifi_CollisionPick_h
#include <PhysicsEngine.h>
#include <model-networking/ModelCache.h>
#include <RegisteredMetaTypes.h>
#include <TransformNode.h>
#include <Pick.h>
class CollisionPickResult : public PickResult {
public:
CollisionPickResult() {}
CollisionPickResult(const QVariantMap& pickVariant) : PickResult(pickVariant) {}
CollisionPickResult(const CollisionRegion& searchRegion, const std::vector<ContactTestResult>& entityIntersections, const std::vector<ContactTestResult>& avatarIntersections) :
PickResult(searchRegion.toVariantMap()),
intersects(entityIntersections.size() || avatarIntersections.size()),
entityIntersections(entityIntersections),
avatarIntersections(avatarIntersections)
{
}
CollisionPickResult(const CollisionPickResult& collisionPickResult) : PickResult(collisionPickResult.pickVariant) {
avatarIntersections = collisionPickResult.avatarIntersections;
entityIntersections = collisionPickResult.entityIntersections;
intersects = collisionPickResult.intersects;
}
bool intersects { false };
std::vector<ContactTestResult> entityIntersections;
std::vector<ContactTestResult> avatarIntersections;
QVariantMap toVariantMap() const override;
bool doesIntersect() const override { return intersects; }
bool checkOrFilterAgainstMaxDistance(float maxDistance) override { return true; }
PickResultPointer compareAndProcessNewResult(const PickResultPointer& newRes) override;
};
class CollisionPick : public Pick<CollisionRegion> {
public:
CollisionPick(const PickFilter& filter, float maxDistance, bool enabled, bool scaleWithParent, CollisionRegion collisionRegion, PhysicsEnginePointer physicsEngine);
CollisionRegion getMathematicalPick() const override;
PickResultPointer getDefaultResult(const QVariantMap& pickVariant) const override {
return std::make_shared<CollisionPickResult>(pickVariant, std::vector<ContactTestResult>(), std::vector<ContactTestResult>());
}
PickResultPointer getEntityIntersection(const CollisionRegion& pick) override;
PickResultPointer getOverlayIntersection(const CollisionRegion& pick) override;
PickResultPointer getAvatarIntersection(const CollisionRegion& pick) override;
PickResultPointer getHUDIntersection(const CollisionRegion& pick) override;
Transform getResultTransform() const override;
protected:
// Returns true if the resource for _mathPick.shapeInfo is loaded or if a resource is not needed.
bool isLoaded() const;
// Returns true if _mathPick.shapeInfo is valid. Otherwise, attempts to get the _mathPick ready for use.
bool getShapeInfoReady(const CollisionRegion& pick);
void computeShapeInfo(const CollisionRegion& pick, ShapeInfo& shapeInfo, QSharedPointer<GeometryResource> resource);
void computeShapeInfoDimensionsOnly(const CollisionRegion& pick, ShapeInfo& shapeInfo, QSharedPointer<GeometryResource> resource);
void filterIntersections(std::vector<ContactTestResult>& intersections) const;
bool _scaleWithParent;
PhysicsEnginePointer _physicsEngine;
QSharedPointer<GeometryResource> _cachedResource;
// Options for what information to get from collision results
bool _includeNormals;
};
#endif // hifi_CollisionPick_h