Add PickTransformNode

libraries/pointers/src/Pick.h

@@ -17,6 +17,7 @@
 #include <QVariant>
 
 #include <shared/ReadWriteLockable.h>
+#include <Transform.h>
 
 enum IntersectionType {
     NONE = 0,

libraries/pointers/src/PickManager.cpp

@@ -88,6 +88,14 @@ void PickManager::setIncludeItems(unsigned int uid, const QVector<QUuid>& includ
     }
 }
 
+Transform PickManager::getResultTransform(unsigned int uid) const {
+    auto pick = findPick(uid);
+    if (pick) {
+        return pick->getResultTransform();
+    }
+    return Transform();
+}
+
 void PickManager::update() {
     uint64_t expiry = usecTimestampNow() + _perFrameTimeBudget;
     std::unordered_map<PickQuery::PickType, std::unordered_map<unsigned int, std::shared_ptr<PickQuery>>> cachedPicks;

libraries/pointers/src/PickManager.h

@@ -40,6 +40,8 @@ public:
     void setIgnoreItems(unsigned int uid, const QVector<QUuid>& ignore) const;
     void setIncludeItems(unsigned int uid, const QVector<QUuid>& include) const;
 
+    Transform getResultTransform(unsigned int uid) const;
+
     bool isLeftHand(unsigned int uid);
     bool isRightHand(unsigned int uid);
     bool isMouse(unsigned int uid);

libraries/pointers/src/PickTransformNode.cpp

@@ -0,0 +1,26 @@
+//
+//  Created by Sabrina Shanman 8/22/2018
+//  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
+//
+
+#include "PickTransformNode.h"
+
+#include "DependencyManager.h"
+#include "PickManager.h"
+
+PickTransformNode::PickTransformNode(unsigned int uid) :
+    _uid(uid)
+{
+}
+
+Transform PickTransformNode::getTransform() {
+    auto pickManager = DependencyManager::get<PickManager>();
+    if (!pickManager) {
+        return Transform();
+    }
+
+    return pickManager->getResultTransform(_uid);
+}

libraries/pointers/src/PickTransformNode.h

@@ -0,0 +1,22 @@
+//
+//  Created by Sabrina Shanman 8/22/2018
+//  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_PickTransformNode_h
+#define hifi_PickTransformNode_h
+
+#include "TransformNode.h"
+
+class PickTransformNode : public TransformNode {
+public:
+    PickTransformNode(unsigned int uid);
+    Transform getTransform() override;
+
+protected:
+    unsigned int _uid;
+};
+
+#endif // hifi_PickTransformNode_h