3 Copyright (C) 2013 sapier
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 /******************************************************************************/
25 /******************************************************************************/
26 #include "irrlichttypes.h"
27 #include "modalMenu.h"
28 #include "guiFormSpecMenu.h"
30 #include "client/tile.h"
31 #include "util/enriched_string.h"
33 /******************************************************************************/
34 /* Typedefs and macros */
35 /******************************************************************************/
36 /** texture layer ids */
38 TEX_LAYER_BACKGROUND = 0,
46 video::ITexture *texture = nullptr;
51 /******************************************************************************/
52 /* forward declarations */
53 /******************************************************************************/
55 class MainMenuScripting;
59 /******************************************************************************/
61 /******************************************************************************/
63 /** GUIEngine specific implementation of TextDest used within guiFormSpecMenu */
64 class TextDestGuiEngine : public TextDest
69 * @param engine the engine data is transmitted for further processing
71 TextDestGuiEngine(GUIEngine* engine) : m_engine(engine) {};
74 * receive fields transmitted by guiFormSpecMenu
75 * @param fields map containing formspec field elements currently active
77 void gotText(const StringMap &fields);
80 * receive text/events transmitted by guiFormSpecMenu
81 * @param text textual representation of event
83 void gotText(const std::wstring &text);
86 /** target to transmit data to */
87 GUIEngine *m_engine = nullptr;
90 /** GUIEngine specific implementation of ISimpleTextureSource */
91 class MenuTextureSource : public ISimpleTextureSource
96 * @param driver the video driver to load textures from
98 MenuTextureSource(video::IVideoDriver *driver) : m_driver(driver) {};
101 * destructor, removes all loaded textures
103 virtual ~MenuTextureSource();
106 * get a texture, loading it if required
107 * @param name path to the texture
108 * @param id receives the texture ID, always 0 in this implementation
110 video::ITexture *getTexture(const std::string &name, u32 *id = NULL);
113 /** driver to get textures from */
114 video::IVideoDriver *m_driver = nullptr;
115 /** set of texture names to delete */
116 std::set<std::string> m_to_delete;
119 /** GUIEngine specific implementation of OnDemandSoundFetcher */
120 class MenuMusicFetcher: public OnDemandSoundFetcher
124 * get sound file paths according to sound name
125 * @param name sound name
126 * @param dst_paths receives possible paths to sound files
127 * @param dst_datas receives binary sound data (not used here)
129 void fetchSounds(const std::string &name,
130 std::set<std::string> &dst_paths,
131 std::set<std::string> &dst_datas);
134 /** set of fetched sound names */
135 std::set<std::string> m_fetched;
138 /** implementation of main menu based uppon formspecs */
140 /** grant ModApiMainMenu access to private members */
141 friend class ModApiMainMenu;
142 friend class ModApiSound;
146 * default constructor
147 * @param dev device to draw at
148 * @param parent parent gui element
149 * @param menumgr manager to add menus to
150 * @param smgr scene manager to add scene elements to
151 * @param data struct to transfer data to main game handling
153 GUIEngine(JoystickController *joystick,
154 gui::IGUIElement *parent,
155 IMenuManager *menumgr,
159 /** default destructor */
160 virtual ~GUIEngine();
163 * return MainMenuScripting interface
165 MainMenuScripting *getScriptIface()
171 * return dir of current menuscript
173 std::string getScriptDir()
178 /** pass async callback to scriptengine **/
179 unsigned int queueAsync(const std::string &serialized_fct,
180 const std::string &serialized_params);
184 /** find and run the main menu script */
185 bool loadMainMenuScript();
187 /** run main menu loop */
190 /** update size of topleftext element */
191 void updateTopLeftTextSize();
193 /** parent gui element */
194 gui::IGUIElement *m_parent = nullptr;
195 /** manager to add menus to */
196 IMenuManager *m_menumanager = nullptr;
197 /** scene manager to add scene elements to */
198 scene::ISceneManager *m_smgr = nullptr;
199 /** pointer to data beeing transfered back to main game handling */
200 MainMenuData *m_data = nullptr;
201 /** pointer to texture source */
202 ISimpleTextureSource *m_texture_source = nullptr;
203 /** pointer to soundmanager*/
204 ISoundManager *m_sound_manager = nullptr;
206 /** representation of form source to be used in mainmenu formspec */
207 FormspecFormSource *m_formspecgui = nullptr;
208 /** formspec input receiver */
209 TextDestGuiEngine *m_buttonhandler = nullptr;
210 /** the formspec menu */
211 GUIFormSpecMenu *m_menu = nullptr;
213 /** reference to kill variable managed by SIGINT handler */
216 /** variable used to abort menu and return back to main game handling */
217 bool m_startgame = false;
219 /** scripting interface */
220 MainMenuScripting *m_script = nullptr;
222 /** script basefolder */
223 std::string m_scriptdir = "";
226 * draw background layer
227 * @param driver to use for drawing
229 void drawBackground(video::IVideoDriver *driver);
232 * @param driver to use for drawing
234 void drawOverlay(video::IVideoDriver *driver);
237 * @param driver to use for drawing
239 void drawHeader(video::IVideoDriver *driver);
242 * @param driver to use for drawing
244 void drawFooter(video::IVideoDriver *driver);
247 * load a texture for a specified layer
248 * @param layer draw layer to specify texture
249 * @param texturepath full path of texture to load
251 bool setTexture(texture_layer layer, std::string texturepath,
252 bool tile_image, unsigned int minsize);
255 * download a file using curl
256 * @param url url to download
257 * @param target file to store to
259 static bool downloadFile(const std::string &url, const std::string &target);
261 /** array containing pointers to current specified texture layers */
262 image_definition m_textures[TEX_LAYER_MAX];
265 * specify text to appear as top left string
268 void setTopleftText(const std::string &text);
270 /** pointer to gui element shown at topleft corner */
271 irr::gui::IGUIStaticText *m_irr_toplefttext = nullptr;
272 /** and text that is in it */
273 EnrichedString m_toplefttext;
275 /** initialize cloud subsystem */
277 /** do preprocessing for cloud subsystem */
278 void cloudPreProcess();
279 /** do postprocessing for cloud subsystem */
280 void cloudPostProcess();
282 /** internam data required for drawing clouds */
284 /** delta time since last cloud processing */
286 /** absolute time of last cloud processing */
288 /** pointer to cloud class */
289 Clouds *clouds = nullptr;
290 /** camera required for drawing clouds */
291 scene::ICameraSceneNode *camera = nullptr;
294 /** is drawing of clouds enabled atm */
295 bool m_clouds_enabled = true;
296 /** data used to draw clouds */
299 /** start playing a sound and return handle */
300 s32 playSound(SimpleSoundSpec spec, bool looped);
301 /** stop playing a sound started with playSound() */
302 void stopSound(s32 handle);
307 #endif /* GUI_ENGINE_H_ */