src/script/lua_api/l_auth.h


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/*
Minetest
Copyright (C) 2018 bendeutsch, Ben Deutsch <ben@bendeutsch.de>

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

#include "lua_api/l_base.h"

class AuthDatabase;
struct AuthEntry;

class ModApiAuth : public ModApiBase
{
private:
	// auth_read(name)
	static int l_auth_read(lua_State *L);

	// auth_save(table)
	static int l_auth_save(lua_State *L);

	// auth_create(table)
	static int l_auth_create(lua_State *L);

	// auth_delete(name)
	static int l_auth_delete(lua_State *L);

	// auth_list_names()
	static int l_auth_list_names(lua_State *L);

	// auth_reload()
	static int l_auth_reload(lua_State *L);

	// helper for auth* methods
	static AuthDatabase *getAuthDb(lua_State *L);
	static void pushAuthEntry(lua_State *L, const AuthEntry &authEntry);

public:
	static void Initialize(lua_State *L, int top);
};
/*
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 "client/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;
	}