Support building for Magic Leap.

support/magicleap/Servo2D/code/inc/Servo2D.h

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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <lumin/LandscapeApp.h>
+#include <lumin/Prism.h>
+#include <lumin/event/ServerEvent.h>
+#include <lumin/resource/PlanarResource.h>
+#include <SceneDescriptor.h>
+
+typedef void* ServoInstance;
+
+/**
+ * Servo2D Landscape Application
+ */
+class Servo2D : public lumin::LandscapeApp {
+public:
+  /**
+   * Constructs the Landscape Application.
+   */
+  Servo2D();
+
+  /**
+   * Destroys the Landscape Application.
+   */
+  virtual ~Servo2D();
+
+  /**
+   * Disallows the copy constructor.
+   */
+  Servo2D(const Servo2D&) = delete;
+
+  /**
+   * Disallows the move constructor.
+   */
+  Servo2D(Servo2D&&) = delete;
+
+  /**
+   * Disallows the copy assignment operator.
+   */
+  Servo2D& operator=(const Servo2D&) = delete;
+
+  /**
+   * Disallows the move assignment operator.
+   */
+  Servo2D& operator=(Servo2D&&) = delete;
+
+protected:
+  /**
+   * Initializes the Landscape Application.
+   * @return - 0 on success, error code on failure.
+   */
+  int init() override;
+
+  /**
+   * Deinitializes the Landscape Application.
+   * @return - 0 on success, error code on failure.
+   */
+  int deInit() override;
+
+  /**
+   * Returns the size of the Prism, default = +/- (1.0f, 1.0f, 1.0f) meters.
+   * Used in createPrism().
+   */
+  const glm::vec3 getInitialPrismExtents() const;
+
+  /**
+   * Creates the prism, updates the private variable prism_ with the created prism.
+   */
+  int createInitialPrism();
+
+  /**
+   * Initializes and creates the scene of all scenes marked as initially instanced
+   */
+  void instanceInitialScenes();
+
+  /**
+   * Initializes and creates the scene of the scene and instances it into the prism
+   */
+  lumin::Node* instanceScene(const SceneDescriptor & sceneToInit);
+
+  /**
+   * Run application login
+   */
+  virtual bool updateLoop(float fDelta) override;
+
+  /**
+   * Handle events from the server
+   */
+  virtual bool eventListener(lumin::ServerEvent* event) override;
+
+private:
+  lumin::Prism* prism_ = nullptr;  // represents the bounded space where the App renders.
+  lumin::PlanarResource* plane_ = nullptr; // the plane we're rendering into
+  ServoInstance servo_ = nullptr; // the servo instance we're embedding
+};