GraphicsManager.h

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/*
 * i6engine
 * Copyright (2016) Daniel Bonrath, Michael Baer, All rights reserved.
 *
 * This file is part of i6engine; i6engine is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef __I6ENGINE_MODULES_GRAPHICSMANAGER_H__
#define __I6ENGINE_MODULES_GRAPHICSMANAGER_H__

#include "i6engine/utils/i6eThreadSafety.h"

#include "i6engine/math/i6eQuaternion.h"
#include "i6engine/math/i6eVector.h"

#include "i6engine/api/GameMessage.h"

#include "OGRE/OgreFrameListener.h"
#include "OGRE/OgreWindowEventUtilities.h"

namespace Ogre {
        class LogManager;
        class OverlaySystem;
        class RaySceneQuery;
        class RenderWindow;
        class Root;
        class SceneManager;
} /* namespace Ogre */

namespace i6e {
namespace modules {

        class Debug;
        class GraphicsNode;
        class GraphicsController;
        class GUIController;
        class ListenerFactoryLogic;
        class ResourceManager;
        class Terrain;

        class ISIXE_MODULES_API GraphicsManager : public Ogre::WindowEventListener, public Ogre::FrameListener {
        public:
                GraphicsManager(GraphicsController * ctrl, HWND hWnd);

                ~GraphicsManager();

                inline Ogre::Root * getRoot() const { return _objRoot; }

                inline Ogre::SceneManager * getSceneManager() const { return _sceneManager; }

                GraphicsNode * getOrCreateGraphicsNode(const int64_t goid, const Vec3 & position = Vec3(0.0, 0.0, 0.0), const Quaternion & rotation = Quaternion(1.0, 0.0, 0.0, 0.0), const Vec3 & scale = Vec3(1.0, 1.0, 1.0));

                GraphicsNode * getGraphicsNode(const int64_t goid) const;

                void deleteGraphicsNode(const int64_t goid);

                void addTerrain(const int64_t id, const boost::shared_ptr<Terrain> & t);

                void removeTerrain(const int64_t id);

                void Tick();

                bool windowClosing(Ogre::RenderWindow * rw);

                void NewsCreate(const api::GameMessage::Ptr & msg);

                void NewsUpdate(const api::GameMessage::Ptr & msg);

                void NewsDelete(const api::GameMessage::Ptr & msg);

                void NewsNodeCreate(const api::GameMessage::Ptr & msg);

                void NewsNodeUpdate(const api::GameMessage::Ptr & msg);

                void NewsNodeDelete(const api::GameMessage::Ptr & msg);

                void addTicker(GraphicsNode * gn);

                void removeTicker(GraphicsNode * gn);

                Ogre::RenderWindow * getRenderWindow() const {
                        return _rWindow;
                }

        private:
                Ogre::RenderWindow * _rWindow;

                Ogre::Root * _objRoot;

                Ogre::SceneManager * _sceneManager;

                std::map<int64_t, GraphicsNode *> _nodes;

                std::map<int64_t, boost::shared_ptr<Terrain>> _terrains;

                ResourceManager * _resourceManager;

                Debug * _debug;

                Ogre::RaySceneQuery * _raySceneQuery;

                std::set<GraphicsNode *> _tickers;

                GUIController * _guiController;

                GraphicsController * _ctrl;

                bool _initialized;

                bool _showFPS;

                Ogre::OverlaySystem * _overlaySystem;

                Ogre::LogManager * _logManager;

                std::vector<ListenerFactoryLogic *> _compositorLogics;

                void loadResources(const std::string & resourcesFile, const std::function<void(uint16_t)> & callback);

                bool frameEnded(const Ogre::FrameEvent & evt) override;

                GraphicsManager(const GraphicsManager &) = delete;

                GraphicsManager & operator=(const GraphicsManager &) = delete;

                ASSERT_THREAD_SAFETY_HEADER
        };

} /* namespace modules */
} /* namespace i6e */

#endif /* __I6ENGINE_MODULES_GRAPHICSMANAGER_H__ */