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+/*
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
+
+This program 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 program 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 program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+
+#include <vector>
+#include <string>
+#include "irrlichttypes_extrabloated.h"
+#include "debug.h"
+
+class ITextureSource;
+class Camera;
+class Client;
+class LocalPlayer;
+class Hud;
+class Minimap;
+
+class RenderingEngine
+{
+public:
+ RenderingEngine(IEventReceiver *eventReceiver);
+ ~RenderingEngine();
+
+ v2u32 getWindowSize() const;
+ void setResizable(bool resize);
+
+ video::IVideoDriver *getVideoDriver();
+
+ static const char *getVideoDriverName(irr::video::E_DRIVER_TYPE type);
+ static const char *getVideoDriverFriendlyName(irr::video::E_DRIVER_TYPE type);
+ static float getDisplayDensity();
+ static v2u32 getDisplaySize();
+
+ static void setXorgClassHint(const video::SExposedVideoData &video_data,
+ const std::string &name);
+ bool setWindowIcon();
+ bool setXorgWindowIconFromPath(const std::string &icon_file);
+ static bool print_video_modes();
+
+ static RenderingEngine *get_instance() { return s_singleton; }
+
+ static io::IFileSystem *get_filesystem()
+ {
+ sanity_check(s_singleton && s_singleton->m_device);
+ return s_singleton->m_device->getFileSystem();
+ }
+
+ static video::IVideoDriver *get_video_driver()
+ {
+ sanity_check(s_singleton && s_singleton->m_device);
+ return s_singleton->m_device->getVideoDriver();
+ }
+
+ static scene::IMeshCache *get_mesh_cache()
+ {
+ sanity_check(s_singleton && s_singleton->m_device);
+ return s_singleton->m_device->getSceneManager()->getMeshCache();
+ }
+
+ static scene::ISceneManager *get_scene_manager()
+ {
+ sanity_check(s_singleton && s_singleton->m_device);
+ return s_singleton->m_device->getSceneManager();
+ }
+
+ static irr::IrrlichtDevice *get_raw_device()
+ {
+ sanity_check(s_singleton && s_singleton->m_device);
+ return s_singleton->m_device;
+ }
+
+ static u32 get_timer_time()
+ {
+ sanity_check(s_singleton && s_singleton->m_device &&
+ s_singleton->m_device->getTimer());
+ return s_singleton->m_device->getTimer()->getTime();
+ }
+
+ static gui::IGUIEnvironment *get_gui_env()
+ {
+ sanity_check(s_singleton && s_singleton->m_device);
+ return s_singleton->m_device->getGUIEnvironment();
+ }
+
+ inline static void draw_load_screen(const std::wstring &text,
+ gui::IGUIEnvironment *guienv, ITextureSource *tsrc,
+ float dtime = 0, int percent = 0, bool clouds = true)
+ {
+ s_singleton->_draw_load_screen(
+ text, guienv, tsrc, dtime, percent, clouds);
+ }
+
+ inline static void draw_scene(Camera *camera, Client *client, LocalPlayer *player,
+ Hud *hud, Minimap *mapper, gui::IGUIEnvironment *guienv,
+ const v2u32 &screensize, const video::SColor &skycolor,
+ bool show_hud, bool show_minimap)
+ {
+ s_singleton->_draw_scene(camera, client, player, hud, mapper, guienv,
+ screensize, skycolor, show_hud, show_minimap);
+ }
+
+ static bool run()
+ {
+ sanity_check(s_singleton && s_singleton->m_device);
+ return s_singleton->m_device->run();
+ }
+
+ static std::vector<core::vector3d<u32>> getSupportedVideoModes();
+ static std::vector<irr::video::E_DRIVER_TYPE> getSupportedVideoDrivers();
+
+private:
+ enum parallax_sign
+ {
+ LEFT = -1,
+ RIGHT = 1,
+ EYECOUNT = 2
+ };
+
+ void _draw_load_screen(const std::wstring &text, gui::IGUIEnvironment *guienv,
+ ITextureSource *tsrc, float dtime = 0, int percent = 0,
+ bool clouds = true);
+
+ void _draw_scene(Camera *camera, Client *client, LocalPlayer *player, Hud *hud,
+ Minimap *mapper, gui::IGUIEnvironment *guienv,
+ const v2u32 &screensize, const video::SColor &skycolor,
+ bool show_hud, bool show_minimap);
+
+ void draw_anaglyph_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv);
+
+ void draw_interlaced_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ const v2u32 &screensize, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor);
+
+ void draw_sidebyside_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ const v2u32 &screensize, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor);
+
+ void draw_top_bottom_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ const v2u32 &screensize, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor);
+
+ void draw_pageflip_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ const v2u32 &screensize, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor);
+
+ void draw_plain(Camera *camera, bool show_hud, Hud *hud, const v2u32 &screensize,
+ bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor);
+
+ void init_texture(const v2u32 &screensize, video::ITexture **texture,
+ const char *name);
+
+ video::ITexture *draw_image(const v2u32 &screensize, parallax_sign psign,
+ const irr::core::matrix4 &startMatrix,
+ const irr::core::vector3df &focusPoint, bool show_hud,
+ Camera *camera, Hud *hud, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor);
+
+ video::ITexture *draw_hud(const v2u32 &screensize, bool show_hud, Hud *hud,
+ Client *client, bool draw_crosshair,
+ const video::SColor &skycolor, gui::IGUIEnvironment *guienv,
+ Camera *camera);
+
+ irr::IrrlichtDevice *m_device = nullptr;
+ static RenderingEngine *s_singleton;
+};