#pragma once #include "../lib/JsonNode.h" /* * CConfigHandler.h, part of VCMI engine * * Authors: listed in file AUTHORS in main folder * * License: GNU General Public License v2.0 or later * Full text of license available in license.txt file, in main folder * */ class Settings; class SettingsListener; /// Main storage of game settings class DLL_LINKAGE SettingsStorage { //Helper struct to access specific node either via chain of operator[] or with one operator() (vector) template struct DLL_LINKAGE NodeAccessor { SettingsStorage & parent; std::vector path; NodeAccessor(SettingsStorage & _parent, std::vector _path); NodeAccessor operator [] (std::string nextNode) const; NodeAccessor operator () (std::vector _path); operator Accessor() const; }; std::set listeners; JsonNode config; JsonNode & getNode(std::vector path); // Calls all required listeners void invalidateNode(const std::vector &changedPath); Settings get(std::vector path); public: // Initialize config structure SettingsStorage(); void init(); // Get write access to config node at path const NodeAccessor write; // Get access to listener at path const NodeAccessor listen; //Read access, see JsonNode::operator[] const JsonNode& operator [](std::string value); friend class SettingsListener; friend class Settings; }; /// Class for listening changes in specific part of configuration (e.g. change of music volume) class DLL_LINKAGE SettingsListener { SettingsStorage &parent; // Path to this node std::vector path; // Callback std::function callback; SettingsListener(SettingsStorage &_parent, const std::vector &_path); // Executes callback if changedpath begins with path void nodeInvalidated(const std::vector & changedPath); public: SettingsListener(const SettingsListener &sl); ~SettingsListener(); // assign callback function void operator()(std::function _callback); friend class SettingsStorage; }; /// System options, provides write access to config tree with auto-saving on change class DLL_LINKAGE Settings { SettingsStorage &parent; //path to this node std::vector path; JsonNode &node; JsonNode copy; //Get access to node pointed by path Settings(SettingsStorage &_parent, const std::vector &_path); public: //Saves config if it was modified ~Settings(); //Returns node selected during construction JsonNode* operator ->(); const JsonNode* operator ->() const; //Helper, replaces JsonNode::operator[] JsonNode& operator [](std::string value); const JsonNode& operator [](std::string value) const; friend class SettingsStorage; }; namespace config { struct DLL_LINKAGE ButtonInfo { std::string defName; std::vector additionalDefs; int x, y; //position on the screen bool playerColoured; //if true button will be colored to main player's color (works properly only for appropriate 8bpp graphics) }; /// Struct which holds data about position of several GUI elements at the adventure map screen struct DLL_LINKAGE AdventureMapConfig { //minimap properties int minimapX, minimapY, minimapW, minimapH; //statusbar int statusbarX, statusbarY; //pos std::string statusbarG; //graphic name //resdatabar int resdatabarX, resdatabarY, resDist, resDateDist, resOffsetX, resOffsetY; //pos std::string resdatabarG; //graphic name //infobox int infoboxX, infoboxY; //advmap int advmapX, advmapY, advmapW, advmapH; bool smoothMove; bool puzzleSepia; bool screenFading; bool objectFading; //general properties std::string mainGraphic; std::string worldViewGraphic; //buttons ButtonInfo kingOverview, underground, questlog, sleepWake, moveHero, spellbook, advOptions, sysOptions, nextHero, endTurn; //hero list int hlistX, hlistY, hlistSize; std::string hlistMB, hlistMN, hlistAU, hlistAD; //town list int tlistX, tlistY, tlistSize; std::string tlistAU, tlistAD; //gems int gemX[4], gemY[4]; std::vector gemG; //in-game console int inputLineLength, outputLineLength; //kingdom overview int overviewPics, overviewSize; //pic count in def and count of visible slots std::string overviewBg; //background name }; struct DLL_LINKAGE GUIOptions { AdventureMapConfig ac; }; /// Handles adventure map screen settings class DLL_LINKAGE CConfigHandler { GUIOptions *current; // pointer to current gui options public: typedef std::map, GUIOptions > GuiOptionsMap; GuiOptionsMap guiOptions; void init(); CConfigHandler(void); //c-tor ~CConfigHandler(void); //d-tor GUIOptions *go() { return current; }; void SetResolution(int x, int y) { std::pair index(x, y); if (guiOptions.count(index) == 0) current = nullptr; else current = &guiOptions.at(index); } }; } extern DLL_LINKAGE SettingsStorage settings; extern DLL_LINKAGE config::CConfigHandler conf;