src/client/renderingengine.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU Lesser General Public License as published by
   8 the Free Software Foundation; either version 2.1 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 #pragma once
  22
  23 #include <vector>
  24 #include <memory>
  25 #include <string>
  26 #include "irrlichttypes_extrabloated.h"
  27 #include "debug.h"
  28 #include "client/render/core.h"
  29 // include the shadow mapper classes too
  30 #include "client/shadows/dynamicshadowsrender.h"
  31
  32 struct VideoDriverInfo {
  33         std::string name;
  34         std::string friendly_name;
  35 };
  36
  37 class ITextureSource;
  38 class Camera;
  39 class Client;
  40 class LocalPlayer;
  41 class Hud;
  42 class Minimap;
  43
  44 class RenderingCore;
  45
  46 class RenderingEngine
  47 {
  48 public:
  49         static const float BASE_BLOOM_STRENGTH;
  50
  51         RenderingEngine(IEventReceiver *eventReceiver);
  52         ~RenderingEngine();
  53
  54         void setResizable(bool resize);
  55
  56         video::IVideoDriver *getVideoDriver() { return driver; }
  57
  58         static const VideoDriverInfo &getVideoDriverInfo(irr::video::E_DRIVER_TYPE type);
  59         static float getDisplayDensity();
  60
  61         bool setupTopLevelWindow(const std::string &name);
  62         void setupTopLevelXorgWindow(const std::string &name);
  63         bool setWindowIcon();
  64         bool setXorgWindowIconFromPath(const std::string &icon_file);
  65         static bool print_video_modes();
  66         void cleanupMeshCache();
  67
  68         void removeMesh(const scene::IMesh* mesh);
  69
  70         static v2u32 getWindowSize()
  71         {
  72                 sanity_check(s_singleton);
  73                 return s_singleton->_getWindowSize();
  74         }
  75
  76         io::IFileSystem *get_filesystem()
  77         {
  78                 return m_device->getFileSystem();
  79         }
  80
  81         static video::IVideoDriver *get_video_driver()
  82         {
  83                 sanity_check(s_singleton && s_singleton->m_device);
  84                 return s_singleton->m_device->getVideoDriver();
  85         }
  86
  87         scene::ISceneManager *get_scene_manager()
  88         {
  89                 return m_device->getSceneManager();
  90         }
  91
  92         static irr::IrrlichtDevice *get_raw_device()
  93         {
  94                 sanity_check(s_singleton && s_singleton->m_device);
  95                 return s_singleton->m_device;
  96         }
  97
  98         u32 get_timer_time()
  99         {
 100                 return m_device->getTimer()->getTime();
 101         }
 102
 103         gui::IGUIEnvironment *get_gui_env()
 104         {
 105                 return m_device->getGUIEnvironment();
 106         }
 107
 108         void draw_load_screen(const std::wstring &text,
 109                         gui::IGUIEnvironment *guienv, ITextureSource *tsrc,
 110                         float dtime = 0, int percent = 0, bool clouds = true);
 111
 112         void draw_menu_scene(gui::IGUIEnvironment *guienv, float dtime, bool clouds);
 113         void draw_scene(video::SColor skycolor, bool show_hud,
 114                         bool show_minimap, bool draw_wield_tool, bool draw_crosshair);
 115
 116         void initialize(Client *client, Hud *hud);
 117         void finalize();
 118
 119         bool run()
 120         {
 121                 return m_device->run();
 122         }
 123
 124         // FIXME: this is still global when it shouldn't be
 125         static ShadowRenderer *get_shadow_renderer()
 126         {
 127                 if (s_singleton && s_singleton->core)
 128                         return s_singleton->core->get_shadow_renderer();
 129                 return nullptr;
 130         }
 131         static std::vector<irr::video::E_DRIVER_TYPE> getSupportedVideoDrivers();
 132
 133 private:
 134         v2u32 _getWindowSize() const;
 135
 136         std::unique_ptr<RenderingCore> core;
 137         irr::IrrlichtDevice *m_device = nullptr;
 138         irr::video::IVideoDriver *driver;
 139         static RenderingEngine *s_singleton;
 140 };