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 
29 class ITextureSource;
30 class Camera;
31 class Client;
32 class LocalPlayer;
33 class Hud;
34 class Minimap;
35 
36 class RenderingCore;
37 
38 class RenderingEngine
39 {
40 public:
41 	RenderingEngine(IEventReceiver *eventReceiver);
42 	~RenderingEngine();
43 
44 	v2u32 getWindowSize() const;
45 	void setResizable(bool resize);
46 
getVideoDriver()47 	video::IVideoDriver *getVideoDriver() { return driver; }
48 
49 	static const char *getVideoDriverName(irr::video::E_DRIVER_TYPE type);
50 	static const char *getVideoDriverFriendlyName(irr::video::E_DRIVER_TYPE type);
51 	static float getDisplayDensity();
52 	static v2u32 getDisplaySize();
53 
54 	bool setupTopLevelWindow(const std::string &name);
55 	void setupTopLevelXorgWindow(const std::string &name);
56 	bool setWindowIcon();
57 	bool setXorgWindowIconFromPath(const std::string &icon_file);
58 	static bool print_video_modes();
59 
get_instance()60 	static RenderingEngine *get_instance() { return s_singleton; }
61 
get_filesystem()62 	static io::IFileSystem *get_filesystem()
63 	{
64 		sanity_check(s_singleton && s_singleton->m_device);
65 		return s_singleton->m_device->getFileSystem();
66 	}
67 
get_video_driver()68 	static video::IVideoDriver *get_video_driver()
69 	{
70 		sanity_check(s_singleton && s_singleton->m_device);
71 		return s_singleton->m_device->getVideoDriver();
72 	}
73 
get_mesh_cache()74 	static scene::IMeshCache *get_mesh_cache()
75 	{
76 		sanity_check(s_singleton && s_singleton->m_device);
77 		return s_singleton->m_device->getSceneManager()->getMeshCache();
78 	}
79 
get_scene_manager()80 	static scene::ISceneManager *get_scene_manager()
81 	{
82 		sanity_check(s_singleton && s_singleton->m_device);
83 		return s_singleton->m_device->getSceneManager();
84 	}
85 
get_raw_device()86 	static irr::IrrlichtDevice *get_raw_device()
87 	{
88 		sanity_check(s_singleton && s_singleton->m_device);
89 		return s_singleton->m_device;
90 	}
91 
get_timer_time()92 	static u32 get_timer_time()
93 	{
94 		sanity_check(s_singleton && s_singleton->m_device &&
95 				s_singleton->m_device->getTimer());
96 		return s_singleton->m_device->getTimer()->getTime();
97 	}
98 
get_gui_env()99 	static gui::IGUIEnvironment *get_gui_env()
100 	{
101 		sanity_check(s_singleton && s_singleton->m_device);
102 		return s_singleton->m_device->getGUIEnvironment();
103 	}
104 
105 	inline static void draw_load_screen(const std::wstring &text,
106 			gui::IGUIEnvironment *guienv, ITextureSource *tsrc,
107 			float dtime = 0, int percent = 0, bool clouds = true)
108 	{
109 		s_singleton->_draw_load_screen(
110 				text, guienv, tsrc, dtime, percent, clouds);
111 	}
112 
draw_menu_scene(gui::IGUIEnvironment * guienv,float dtime,bool clouds)113 	inline static void draw_menu_scene(
114 			gui::IGUIEnvironment *guienv, float dtime, bool clouds)
115 	{
116 		s_singleton->_draw_menu_scene(guienv, dtime, clouds);
117 	}
118 
draw_scene(video::SColor skycolor,bool show_hud,bool show_minimap,bool draw_wield_tool,bool draw_crosshair)119 	inline static void draw_scene(video::SColor skycolor, bool show_hud,
120 			bool show_minimap, bool draw_wield_tool, bool draw_crosshair)
121 	{
122 		s_singleton->_draw_scene(skycolor, show_hud, show_minimap,
123 				draw_wield_tool, draw_crosshair);
124 	}
125 
initialize(Client * client,Hud * hud)126 	inline static void initialize(Client *client, Hud *hud)
127 	{
128 		s_singleton->_initialize(client, hud);
129 	}
130 
finalize()131 	inline static void finalize() { s_singleton->_finalize(); }
132 
run()133 	static bool run()
134 	{
135 		sanity_check(s_singleton && s_singleton->m_device);
136 		return s_singleton->m_device->run();
137 	}
138 
139 	static std::vector<core::vector3d<u32>> getSupportedVideoModes();
140 	static std::vector<irr::video::E_DRIVER_TYPE> getSupportedVideoDrivers();
141 
142 private:
143 	void _draw_load_screen(const std::wstring &text, gui::IGUIEnvironment *guienv,
144 			ITextureSource *tsrc, float dtime = 0, int percent = 0,
145 			bool clouds = true);
146 
147 	void _draw_menu_scene(gui::IGUIEnvironment *guienv, float dtime = 0,
148 			bool clouds = true);
149 
150 	void _draw_scene(video::SColor skycolor, bool show_hud, bool show_minimap,
151 			bool draw_wield_tool, bool draw_crosshair);
152 
153 	void _initialize(Client *client, Hud *hud);
154 
155 	void _finalize();
156 
157 	std::unique_ptr<RenderingCore> core;
158 	irr::IrrlichtDevice *m_device = nullptr;
159 	irr::video::IVideoDriver *driver;
160 	static RenderingEngine *s_singleton;
161 };
162