advtrains.git - Advtrains mod for minetest.

	Commit message (Expand)	Author	Age
*	Add Andrew's Cross	orwell96	2017-04-27

/* Minetest Copyright (C) 2013 sapier 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. */ #ifndef GUI_ENGINE_H_ #define GUI_ENGINE_H_ /******************************************************************************/ /* Includes */ /******************************************************************************/ #include "irrlichttypes.h" #include "modalMenu.h" #include "clouds.h" #include "guiLuaApi.h" #include "guiFormSpecMenu.h" /******************************************************************************/ /* Typedefs and macros */ /******************************************************************************/ #define MAX_MENUBAR_BTN_COUNT 10 #define MAX_MENUBAR_BTN_ID 256 #define MIN_MENUBAR_BTN_ID (MAX_MENUBAR_BTN_ID - MAX_MENUBAR_BTN_COUNT) /** texture layer ids */ typedef enum { TEX_LAYER_BACKGROUND = 0, TEX_LAYER_OVERLAY, TEX_LAYER_HEADER, TEX_LAYER_FOOTER, TEX_LAYER_MAX } texture_layer; /******************************************************************************/ /* forward declarations */ /******************************************************************************/ class GUIEngine; struct MainMenuData; /******************************************************************************/ /* declarations */ /******************************************************************************/ /** GUIEngine specific implementation of TextDest used within guiFormSpecMenu */ class TextDestGuiEngine : public TextDest { public: /** * default constructor * @param engine the engine data is transmitted for further processing */ TextDestGuiEngine(GUIEngine* engine); /** * receive fields transmitted by guiFormSpecMenu * @param fields map containing formspec field elements currently active */ void gotText(std::map<std::string, std::string> fields); /** * receive text/events transmitted by guiFormSpecMenu * @param text textual representation of event */ void gotText(std::wstring text); private: /** target to transmit data to */ GUIEngine* m_engine; }; /** implementation of main menu based uppon formspecs */ class GUIEngine { public: /** TextDestGuiEngine needs to transfer data to engine */ friend class TextDestGuiEngine; /** guiLuaApi is used to initialize contained stack */ friend class guiLuaApi; /** * default constructor * @param dev device to draw at * @param parent parent gui element * @param menumgr manager to add menus to * @param smgr scene manager to add scene elements to * @param data struct to transfer data to main game handling */ GUIEngine( irr::IrrlichtDevice* dev, gui::IGUIElement* parent, IMenuManager *menumgr, scene::ISceneManager* smgr, MainMenuData* data); /** default destructor */ virtual ~GUIEngine(); protected: /** * process field data recieved from formspec * @param fields data in field format */ void handleButtons(std::map<std::string, std::string> fields); /** * process events received from formspec * @param text events in textual form */ void handleEvent(std::string text); /** * return dir of current menuscript */ std::string getScriptDir() { return m_scriptdir; } private: /* run main menu loop */ void run(); /** handler to limit frame rate within main menu */ void limitFrameRate(); /** device to draw at */ irr::IrrlichtDevice* m_device; /** parent gui element */ gui::IGUIElement* m_parent; /** manager to add menus to */ IMenuManager* m_menumanager; /** scene manager to add scene elements to */ scene::ISceneManager* m_smgr; /** pointer to data beeing transfered back to main game handling */ MainMenuData* m_data; /** representation of form source to be used in mainmenu formspec */ FormspecFormSource* m_formspecgui; /** formspec input receiver */ TextDestGuiEngine* m_buttonhandler; /** the formspec menu */ GUIFormSpecMenu* m_menu; /** variable used to abort menu and return back to main game handling */ bool m_startgame; /** * initialize lua stack * @param L stack to initialize */ void initalize_api(lua_State * L); /** * run a lua script * @param script full path to script to run */ bool runScript(std::string script); /** * script error handler to process errors within lua */ void scriptError(const char *fmt, ...); /** lua stack */ lua_State* m_engineluastack; /** lua internal stack number of error handler*/ int m_luaerrorhandler; /** script basefolder */ std::string m_scriptdir; /** * draw background layer * @param driver to use for drawing */ void drawBackground(video::IVideoDriver* driver); /** * draw overlay layer * @param driver to use for drawing */ void drawOverlay(video::IVideoDriver* driver); /** * draw header layer * @param driver to use for drawing */ void drawHeader(video::IVideoDriver* driver); /** * draw footer layer * @param driver to use for drawing */ void drawFooter(video::IVideoDriver* driver); /** * load a texture for a specified layer * @param layer draw layer to specify texture * @param texturepath full path of texture to load */ bool setTexture(texture_layer layer,std::string texturepath); /** * download a file using curl * @param url url to download * @param target file to store to */ bool downloadFile(std::string url,std::string target); /** array containing pointers to current specified texture layers */ video::ITexture* m_textures[TEX_LAYER_MAX]; /** draw version string in topleft corner */ void drawVersion(); /** * specify text to be appended to version string * @param text to set */ void setTopleftText(std::string append); /** pointer to gui element shown at topleft corner */ irr::gui::IGUIStaticText* m_irr_toplefttext; /** initialize cloud subsystem */