// // AbstractViewStateInterface.h // interface/src/renderer // // Created by Brad Hefta-Gaub on 12/16/14. // Copyright 2014 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_AbstractViewStateInterface_h #define hifi_AbstractViewStateInterface_h #include #include #include #include #include class Transform; class QThread; class ViewFrustum; class PickRay; class ConicalViewFrustum; using ConicalViewFrustums = std::vector; /// Interface provided by Application to other objects that need access to the current view state details class AbstractViewStateInterface { public: /// copies the current view frustum for rendering the view state virtual void copyCurrentViewFrustum(ViewFrustum& viewOut) const = 0; virtual const ConicalViewFrustums& getConicalViews() const = 0; virtual QThread* getMainThread() = 0; virtual PickRay computePickRay(float x, float y) const = 0; virtual glm::vec3 getAvatarPosition() const = 0; // Unfortunately, having this here is a bad idea. Lots of objects connect to // the aboutToQuit signal, and it's impossible to know the order in which // the receivers will be called, so this might return false negatives //virtual bool isAboutToQuit() const = 0; // Queue code to execute on the main thread. // If called from the main thread, the lambda will execute synchronously virtual void postLambdaEvent(const std::function& f) = 0; // Synchronously execute code on the main thread. This function will // not return until the code is executed, regardles of which thread it // is called from virtual void sendLambdaEvent(const std::function& f) = 0; virtual qreal getDevicePixelRatio() = 0; virtual render::ScenePointer getMain3DScene() = 0; virtual render::EnginePointer getRenderEngine() = 0; virtual void pushPostUpdateLambda(void* key, const std::function& func) = 0; virtual bool isHMDMode() const = 0; // FIXME - we shouldn't assume that there's a single instance of an AbstractViewStateInterface static AbstractViewStateInterface* instance(); static void setInstance(AbstractViewStateInterface* instance); }; #endif // hifi_AbstractViewStateInterface_h