minetest.git - modified minetest for gpcfs purposes

path: root/textures/base/pack/server_ping_4.png

	Commit message (Expand)	Author	Age
*	Serverlist: Add ping indicators (#5164)	kilbith	2017-02-03

/* Minetest Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com> 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 "irrlichttypes_bloated.h" #include "util/string.h" #include <string> #include <list> #include <set> #include <mutex> class Settings; struct NoiseParams; // Global objects extern Settings *g_settings; extern std::string g_settings_path; // Type for a settings changed callback function typedef void (*SettingsChangedCallback)(const std::string &name, void *data); typedef std::vector< std::pair< SettingsChangedCallback, void * > > SettingsCallbackList; typedef std::unordered_map<std::string, SettingsCallbackList> SettingsCallbackMap; enum ValueType { VALUETYPE_STRING, VALUETYPE_FLAG // Doesn't take any arguments }; enum SettingsParseEvent { SPE_NONE, SPE_INVALID, SPE_COMMENT, SPE_KVPAIR, SPE_END, SPE_GROUP, SPE_MULTILINE, }; struct ValueSpec { ValueSpec(ValueType a_type, const char *a_help=NULL) { type = a_type; help = a_help; } ValueType type; const char *help; }; struct SettingsEntry { SettingsEntry() = default; SettingsEntry(const std::string &value_) : value(value_) {} SettingsEntry(Settings *group_) : group(group_), is_group(true) {} std::string value = ""; Settings *group = nullptr; bool is_group = false; }; typedef std::unordered_map<std::string, SettingsEntry> SettingEntries; class Settings { public: Settings() = default; ~Settings(); Settings & operator += (const Settings &other); Settings & operator = (const Settings &other); /*********************** * Reading and writing * ***********************/ // Read configuration file. Returns success. bool readConfigFile(const char *filename); //Updates configuration file. Returns success. bool updateConfigFile(const char *filename); // NOTE: Types of allowed_options are ignored. Returns success. bool parseCommandLine(int argc, char *argv[], std::map<std::string, ValueSpec> &allowed_options); bool parseConfigLines(std::istream &is, const std::string &end = ""); void writeLines(std::ostream &os, u32 tab_depth=0) const; SettingsParseEvent parseConfigObject(const std::string &line, const std::string &end, std::string &name, std::string &value); bool updateConfigObject(std::istream &is, std::ostream &os, const std::string &end, u32 tab_depth=0); static bool checkNameValid(const std::string &name); static bool checkValueValid(const std::string &value); static std::string getMultiline(std::istream &is, size_t *num_lines=NULL); static void printEntry(std::ostream &os, const std::string &name, const SettingsEntry &entry, u32 tab_depth=0); /*********** * Getters * ***********/ const SettingsEntry &getEntry(const std::string &name) const; const SettingsEntry &getEntryDefault(const std::string &name) const; Settings *getGroup(const std::string &name) const; const std::string &get(const std::string &name) const; const std::string &getDefault(const std::string &name) const; bool getBool(const std::string &name) const; u16 getU16(const std::string &name) const; s16 getS16(const std::string &name) const; u32 getU32(const std::string &name) const; s32 getS32(const std::string &name) const; u64 getU64(const std::string &name) const; float getFloat(const std::string &name) const; v2f getV2F(const std::string &name) const; v3f getV3F(const std::string &name) const; u32 getFlagStr(const std::string &name, const FlagDesc *flagdesc, u32 *flagmask) const; // N.B. if getStruct() is used to read a non-POD aggregate type, // the behavior is undefined. bool getStruct(const std::string &name, const std::string &format, void *out, size_t olen) const; bool getNoiseParams(const std::string &name, NoiseParams &np) const; bool getNoiseParamsFromValue(const std::string &name, NoiseParams &np) const; bool getNoiseParamsFromGroup(const std::string &name, NoiseParams &np) const; // return all keys used std::vector<std::string> getNames() const; bool exists(const std::string &name) const; /*************************************** * Getters that don't throw exceptions * ***************************************/ bool getEntryNoEx(const std::string &name, SettingsEntry &val) const; bool getEntryDefaultNoEx(const std::string &name, SettingsEntry &val) const; bool getGroupNoEx(const std::string &name, Settings *&val) const; bool getNoEx(const std::string &name, std::string &val) const; bool getDefaultNoEx(const std::string &name, std::string &val) const; bool getFlag(const std::string &name) const; bool getU16NoEx(const std::string &name, u16 &val) const; bool getS16NoEx(const std::string &name, s16 &val) const; bool getS32NoEx(const std::string &name, s32 &val) const; bool getU64NoEx(const std::string &name, u64 &val) const; bool getFloatNoEx(const std::string &name, float &val) const; bool getV2FNoEx(const std::string &name, v2f &val) const; bool getV3FNoEx(const std::string &name, v3f &val) const; // N.B. getFlagStrNoEx() does not set val, but merely modifies it. Thus, // val must be initialized before using getFlagStrNoEx(). The intention of // this is to simplify modifying a flags field from a default value. bool getFlagStrNoEx(const std::string &name, u32 &val, FlagDesc *flagdesc) const; /*********** * Setters * ***********/ // N.B. Groups not allocated with new must be set to NULL in the settings // tree before object destruction. bool setEntry(const std::string &name, const void *entry, bool set_group, bool set_default); bool set(const std::string &name, const std::string &value); bool setDefault(const std::string &name, const std::string &value); bool setGroup(const std::string &name, Settings *group); bool setGroupDefault(const std::string &name, Settings *group); bool setBool(const std::string &name, bool value); bool setS16(const std::string &name, s16 value); bool setU16(const std::string &name, u16 value); bool setS32(const std::string &name, s32 value); bool setU64(const std::string &name, u64 value); bool setFloat(const std::string &name, float value); bool setV2F(const std::string &name, v2f value); bool setV3F(const std::string &name, v3f value); bool setFlagStr(const std::string &name, u32 flags, const FlagDesc *flagdesc, u32 flagmask); bool setNoiseParams(const std::string &name, const NoiseParams &np, bool set_default=false); // N.B. if setStruct() is used to write a non-POD aggregate type, // the behavior is undefined. bool setStruct(const std::string &name, const std::string &format, void *value); // remove a setting bool remove(const std::string &name); void clear(); void clearDefaults(); void updateValue(const Settings &other, const std::string &name); void update(const Settings &other); void registerChangedCallback(const std::string &name, SettingsChangedCallback cbf, void *userdata = NULL); void deregisterChangedCallback(const std::string &name, SettingsChangedCallback cbf, void *userdata = NULL); private: void updateNoLock(const Settings &other); void clearNoLock(); void clearDefaultsNoLock(); void doCallbacks(const std::string &name) const; SettingEntries m_settings; SettingEntries m_defaults; SettingsCallbackMap m_callbacks; mutable std::mutex m_callback_mutex; // All methods that access m_settings/m_defaults directly should lock this. mutable std::mutex m_mutex; };