Move files to subdirectories (#6599)

* Move files around

src/gui/guiEngine.h

@@ -0,0 +1,304 @@
+/*
+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.
+*/
+
+#pragma once
+
+/******************************************************************************/
+/* Includes                                                                   */
+/******************************************************************************/
+#include "irrlichttypes.h"
+#include "modalMenu.h"
+#include "guiFormSpecMenu.h"
+#include "sound.h"
+#include "client/tile.h"
+#include "util/enriched_string.h"
+
+/******************************************************************************/
+/* Typedefs and macros                                                        */
+/******************************************************************************/
+/** texture layer ids */
+typedef enum {
+	TEX_LAYER_BACKGROUND = 0,
+	TEX_LAYER_OVERLAY,
+	TEX_LAYER_HEADER,
+	TEX_LAYER_FOOTER,
+	TEX_LAYER_MAX
+} texture_layer;
+
+typedef struct {
+	video::ITexture *texture = nullptr;
+	bool             tile;
+	unsigned int     minsize;
+} image_definition;
+
+/******************************************************************************/
+/* forward declarations                                                       */
+/******************************************************************************/
+class GUIEngine;
+class MainMenuScripting;
+class Clouds;
+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) : m_engine(engine) {};
+
+	/**
+	 * receive fields transmitted by guiFormSpecMenu
+	 * @param fields map containing formspec field elements currently active
+	 */
+	void gotText(const StringMap &fields);
+
+	/**
+	 * receive text/events transmitted by guiFormSpecMenu
+	 * @param text textual representation of event
+	 */
+	void gotText(const std::wstring &text);
+
+private:
+	/** target to transmit data to */
+	GUIEngine *m_engine = nullptr;
+};
+
+/** GUIEngine specific implementation of ISimpleTextureSource */
+class MenuTextureSource : public ISimpleTextureSource
+{
+public:
+	/**
+	 * default constructor
+	 * @param driver the video driver to load textures from
+	 */
+	MenuTextureSource(video::IVideoDriver *driver) : m_driver(driver) {};
+
+	/**
+	 * destructor, removes all loaded textures
+	 */
+	virtual ~MenuTextureSource();
+
+	/**
+	 * get a texture, loading it if required
+	 * @param name path to the texture
+	 * @param id receives the texture ID, always 0 in this implementation
+	 */
+	video::ITexture *getTexture(const std::string &name, u32 *id = NULL);
+
+private:
+	/** driver to get textures from */
+	video::IVideoDriver *m_driver = nullptr;
+	/** set of texture names to delete */
+	std::set<std::string> m_to_delete;
+};
+
+/** GUIEngine specific implementation of OnDemandSoundFetcher */
+class MenuMusicFetcher: public OnDemandSoundFetcher
+{
+public:
+	/**
+	 * get sound file paths according to sound name
+	 * @param name sound name
+	 * @param dst_paths receives possible paths to sound files
+	 * @param dst_datas receives binary sound data (not used here)
+	 */
+	void fetchSounds(const std::string &name,
+			std::set<std::string> &dst_paths,
+			std::set<std::string> &dst_datas);
+
+private:
+	/** set of fetched sound names */
+	std::set<std::string> m_fetched;
+};
+
+/** implementation of main menu based uppon formspecs */
+class GUIEngine {
+	/** grant ModApiMainMenu access to private members */
+	friend class ModApiMainMenu;
+	friend class ModApiSound;
+
+public:
+	/**
+	 * 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(JoystickController *joystick,
+			gui::IGUIElement *parent,
+			IMenuManager *menumgr,
+			MainMenuData *data,
+			bool &kill);
+
+	/** default destructor */
+	virtual ~GUIEngine();
+
+	/**
+	 * return MainMenuScripting interface
+	 */
+	MainMenuScripting *getScriptIface()
+	{
+		return m_script;
+	}
+
+	/**
+	 * return dir of current menuscript
+	 */
+	std::string getScriptDir()
+	{
+		return m_scriptdir;
+	}
+
+	/** pass async callback to scriptengine **/
+	unsigned int queueAsync(const std::string &serialized_fct,
+			const std::string &serialized_params);
+
+private:
+
+	/** find and run the main menu script */
+	bool loadMainMenuScript();
+
+	/** run main menu loop */
+	void run();
+
+	/** update size of topleftext element */
+	void updateTopLeftTextSize();
+
+	/** parent gui element */
+	gui::IGUIElement        *m_parent = nullptr;
+	/** manager to add menus to */
+	IMenuManager            *m_menumanager = nullptr;
+	/** scene manager to add scene elements to */
+	scene::ISceneManager    *m_smgr = nullptr;
+	/** pointer to data beeing transfered back to main game handling */
+	MainMenuData            *m_data = nullptr;
+	/** pointer to texture source */
+	ISimpleTextureSource    *m_texture_source = nullptr;
+	/** pointer to soundmanager*/
+	ISoundManager           *m_sound_manager = nullptr;
+
+	/** representation of form source to be used in mainmenu formspec */
+	FormspecFormSource      *m_formspecgui = nullptr;
+	/** formspec input receiver */
+	TextDestGuiEngine       *m_buttonhandler = nullptr;
+	/** the formspec menu */
+	GUIFormSpecMenu         *m_menu = nullptr;
+
+	/** reference to kill variable managed by SIGINT handler */
+	bool                    &m_kill;
+
+	/** variable used to abort menu and return back to main game handling */
+	bool                     m_startgame = false;
+
+	/** scripting interface */
+	MainMenuScripting       *m_script = nullptr;
+
+	/** 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,
+			bool tile_image, unsigned int minsize);
+
+	/**
+	 * download a file using curl
+	 * @param url url to download
+	 * @param target file to store to
+	 */
+	static bool downloadFile(const std::string &url, const std::string &target);
+
+	/** array containing pointers to current specified texture layers */
+	image_definition m_textures[TEX_LAYER_MAX];
+
+	/**
+	 * specify text to appear as top left string
+	 * @param text to set
+	 */
+	void setTopleftText(const std::string &text);
+
+	/** pointer to gui element shown at topleft corner */
+	irr::gui::IGUIStaticText *m_irr_toplefttext = nullptr;
+	/** and text that is in it */
+	EnrichedString m_toplefttext;
+
+	/** initialize cloud subsystem */
+	void cloudInit();
+	/** do preprocessing for cloud subsystem */
+	void cloudPreProcess();
+	/** do postprocessing for cloud subsystem */
+	void cloudPostProcess();
+
+	/** internam data required for drawing clouds */
+	struct clouddata {
+		/** delta time since last cloud processing */
+		f32     dtime;
+		/** absolute time of last cloud processing */
+		u32     lasttime;
+		/** pointer to cloud class */
+		Clouds *clouds = nullptr;
+		/** camera required for drawing clouds */
+		scene::ICameraSceneNode *camera = nullptr;
+	};
+
+	/** is drawing of clouds enabled atm */
+	bool        m_clouds_enabled = true;
+	/** data used to draw clouds */
+	clouddata   m_cloud;
+
+	/** start playing a sound and return handle */
+	s32 playSound(SimpleSoundSpec spec, bool looped);
+	/** stop playing a sound started with playSound() */
+	void stopSound(s32 handle);
+
+
+};