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9fd1cff090
Long time ago it's was used without prefix to make future switch from boost to std version easier. I discusses this with Ivan and decide to drop these using from Global.h now. This change wouldn't break anything because there was already code with prefix for each of three cases.
693 lines
21 KiB
C++
693 lines
21 KiB
C++
#pragma once
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/*
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* Global.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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/* ---------------------------------------------------------------------------- */
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/* Compiler detection */
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/* ---------------------------------------------------------------------------- */
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// Fixed width bool data type is important for serialization
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static_assert(sizeof(bool) == 1, "Bool needs to be 1 byte in size.");
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#ifdef __GNUC__
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# define GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__ * 10 + __GNUC_PATCHLEVEL__)
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#endif
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#if !defined(__clang__) && defined(__GNUC__) && (GCC_VERSION < 470)
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# error VCMI requires at least gcc-4.7.2 for successful compilation or clang-3.1. Please update your compiler
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#endif
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#if defined(__GNUC__) && (GCC_VERSION == 470 || GCC_VERSION == 471)
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# error This GCC version has buggy std::array::at version and should not be used. Please update to 4.7.2 or later
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#endif
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/* ---------------------------------------------------------------------------- */
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/* Suppress some compiler warnings */
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/* ---------------------------------------------------------------------------- */
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#ifdef _MSC_VER
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# pragma warning (disable : 4800 ) /* disable conversion to bool warning -- I think it's intended in all places */
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#endif
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/* ---------------------------------------------------------------------------- */
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/* System detection. */
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/* ---------------------------------------------------------------------------- */
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// Based on: http://sourceforge.net/p/predef/wiki/OperatingSystems/
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// and on: http://stackoverflow.com/questions/5919996/how-to-detect-reliably-mac-os-x-ios-linux-windows-in-c-preprocessor
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// TODO?: Should be moved to vstd\os_detect.h (and then included by Global.h)
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#ifdef _WIN16 // Defined for 16-bit environments
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# error "16-bit Windows isn't supported"
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#elif defined(_WIN64) // Defined for 64-bit environments
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# define VCMI_WINDOWS
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# define VCMI_WINDOWS_64
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#elif defined(_WIN32) // Defined for both 32-bit and 64-bit environments
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# define VCMI_WINDOWS
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# define VCMI_WINDOWS_32
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#elif defined(_WIN32_WCE)
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# error "Windows CE isn't supported"
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#elif defined(__linux__) || defined(__gnu_linux__) || defined(linux) || defined(__linux)
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# define VCMI_UNIX
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# define VCMI_XDG
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# ifdef __ANDROID__
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# define VCMI_ANDROID
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# endif
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#elif defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
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# define VCMI_UNIX
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# define VCMI_XDG
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# define VCMI_FREEBSD
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#elif defined(__GNU__) || defined(__gnu_hurd__) || (defined(__MACH__) && !defined(__APPLE__))
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# define VCMI_UNIX
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# define VCMI_XDG
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# define VCMI_HURD
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#elif defined(__APPLE__) && defined(__MACH__)
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# define VCMI_UNIX
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# define VCMI_APPLE
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# include "TargetConditionals.h"
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# if TARGET_IPHONE_SIMULATOR
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# define VCMI_IOS
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# define VCMI_IOS_SIM
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# elif TARGET_OS_IPHONE
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# define VCMI_IOS
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# elif TARGET_OS_MAC
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# define VCMI_MAC
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# else
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//# warning "Unknown Apple target."?
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# endif
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#else
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# error "VCMI supports only Windows, OSX, Linux and Android targets"
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#endif
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#ifdef VCMI_IOS
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# error "iOS system isn't yet supported."
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#endif
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/* ---------------------------------------------------------------------------- */
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/* Commonly used C++, Boost headers */
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/* ---------------------------------------------------------------------------- */
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#ifdef VCMI_WINDOWS
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# define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers - delete this line if something is missing.
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# define NOMINMAX // Exclude min/max macros from <Windows.h>. Use std::[min/max] from <algorithm> instead.
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# define _NO_W32_PSEUDO_MODIFIERS // Exclude more macros for compiling with MinGW on Linux.
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#endif
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/* ---------------------------------------------------------------------------- */
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/* A macro to force inlining some of our functions */
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/* ---------------------------------------------------------------------------- */
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// Compiler (at least MSVC) is not so smart here-> without that displaying is MUCH slower
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#ifdef _MSC_VER
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# define STRONG_INLINE __forceinline
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#elif __GNUC__
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# define STRONG_INLINE inline __attribute__((always_inline))
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#else
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# define STRONG_INLINE inline
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#endif
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#define _USE_MATH_DEFINES
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#include <cstdio>
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#include <stdio.h>
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#include <algorithm>
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#include <array>
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#include <cassert>
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#include <climits>
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#include <cmath>
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#include <cstdlib>
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#include <functional>
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#include <fstream>
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#include <iomanip>
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#include <iostream>
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#include <map>
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#include <memory>
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#include <numeric>
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#include <queue>
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#include <random>
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#include <set>
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#include <sstream>
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#include <string>
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#include <unordered_set>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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//The only available version is 3, as of Boost 1.50
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#include <boost/version.hpp>
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#define BOOST_FILESYSTEM_VERSION 3
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#if BOOST_VERSION > 105000
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# define BOOST_THREAD_VERSION 3
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#endif
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#define BOOST_THREAD_DONT_PROVIDE_THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE 1
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#define BOOST_BIND_NO_PLACEHOLDERS
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#include <boost/algorithm/string.hpp>
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#include <boost/cstdint.hpp>
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#include <boost/current_function.hpp>
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#include <boost/crc.hpp>
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#include <boost/date_time/posix_time/posix_time.hpp>
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#include <boost/date_time/posix_time/posix_time_io.hpp>
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#include <boost/filesystem.hpp>
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#include <boost/filesystem/path.hpp>
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#include <boost/filesystem/fstream.hpp>
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#include <boost/format.hpp>
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#include <boost/functional/hash.hpp>
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#include <boost/lexical_cast.hpp>
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#ifndef VCMI_ANDROID
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#include <boost/locale/generator.hpp>
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#endif
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#include <boost/logic/tribool.hpp>
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#include <boost/optional.hpp>
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#include <boost/optional/optional_io.hpp>
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#include <boost/program_options.hpp>
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#include <boost/range/adaptor/filtered.hpp>
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#include <boost/range/adaptor/reversed.hpp>
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#include <boost/range/algorithm.hpp>
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#include <boost/thread.hpp>
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#include <boost/variant.hpp>
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#include <boost/math/special_functions/round.hpp>
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#include <boost/multi_array.hpp>
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#ifndef M_PI
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# define M_PI 3.14159265358979323846
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#endif
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/* ---------------------------------------------------------------------------- */
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/* Usings */
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/* ---------------------------------------------------------------------------- */
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using namespace std::placeholders;
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namespace range = boost::range;
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/* ---------------------------------------------------------------------------- */
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/* Typedefs */
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/* ---------------------------------------------------------------------------- */
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// Integral data types
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typedef boost::uint64_t ui64; //unsigned int 64 bits (8 bytes)
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typedef boost::uint32_t ui32; //unsigned int 32 bits (4 bytes)
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typedef boost::uint16_t ui16; //unsigned int 16 bits (2 bytes)
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typedef boost::uint8_t ui8; //unsigned int 8 bits (1 byte)
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typedef boost::int64_t si64; //signed int 64 bits (8 bytes)
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typedef boost::int32_t si32; //signed int 32 bits (4 bytes)
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typedef boost::int16_t si16; //signed int 16 bits (2 bytes)
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typedef boost::int8_t si8; //signed int 8 bits (1 byte)
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// Lock typedefs
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typedef boost::lock_guard<boost::mutex> TLockGuard;
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typedef boost::lock_guard<boost::recursive_mutex> TLockGuardRec;
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/* ---------------------------------------------------------------------------- */
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/* Macros */
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/* ---------------------------------------------------------------------------- */
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// Import + Export macro declarations
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#ifdef VCMI_WINDOWS
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# ifdef __GNUC__
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# define DLL_IMPORT __attribute__((dllimport))
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# define DLL_EXPORT __attribute__((dllexport))
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# else
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# define DLL_IMPORT __declspec(dllimport)
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# define DLL_EXPORT __declspec(dllexport)
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# endif
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# define ELF_VISIBILITY
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#else
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# ifdef __GNUC__
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# define DLL_IMPORT __attribute__ ((visibility("default")))
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# define DLL_EXPORT __attribute__ ((visibility("default")))
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# define ELF_VISIBILITY __attribute__ ((visibility("default")))
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# define ELF_VISIBILITY __attribute__ ((visibility("default")))
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# endif
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#endif
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#ifdef VCMI_DLL
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# define DLL_LINKAGE DLL_EXPORT
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#else
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# define DLL_LINKAGE DLL_IMPORT
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#endif
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#define THROW_FORMAT(message, formatting_elems) throw std::runtime_error(boost::str(boost::format(message) % formatting_elems))
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#define ASSERT_IF_CALLED_WITH_PLAYER if(!player) {logGlobal->errorStream() << BOOST_CURRENT_FUNCTION; assert(0);}
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// can be used for counting arrays
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template<typename T, size_t N> char (&_ArrayCountObj(const T (&)[N]))[N];
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#define ARRAY_COUNT(arr) (sizeof(_ArrayCountObj(arr)))
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// should be used for variables that becomes unused in release builds (e.g. only used for assert checks)
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#define UNUSED(VAR) ((void)VAR)
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/* ---------------------------------------------------------------------------- */
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/* VCMI standard library */
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/* ---------------------------------------------------------------------------- */
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#include "lib/logging/CLogger.h"
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void inline handleException()
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{
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try
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{
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throw;
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}
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catch(const std::exception & ex)
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{
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logGlobal->errorStream() << ex.what();
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}
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catch(const std::string & ex)
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{
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logGlobal->errorStream() << ex;
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}
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catch(...)
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{
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logGlobal->errorStream() << "Sorry, caught unknown exception type. No more info available.";
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}
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}
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template<typename T>
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std::ostream & operator<<(std::ostream & out, const boost::optional<T> & opt)
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{
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if(opt) return out << *opt;
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else return out << "empty";
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}
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template<typename T>
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std::ostream & operator<<(std::ostream & out, const std::vector<T> & container)
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{
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out << "[";
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for(auto it = container.begin(); it != container.end(); ++it)
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{
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out << *it;
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if(std::prev(container.end()) != it) out << ", ";
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}
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return out << "]";
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}
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namespace vstd
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{
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// combine hashes. Present in boost but not in std
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template <class T>
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inline void hash_combine(std::size_t& seed, const T& v)
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{
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std::hash<T> hasher;
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seed ^= hasher(v) + 0x9e3779b9 + (seed<<6) + (seed>>2);
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}
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//returns true if container c contains item i
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template <typename Container, typename Item>
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bool contains(const Container & c, const Item &i)
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{
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return std::find(std::begin(c), std::end(c),i) != std::end(c);
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}
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//returns true if container c contains item i
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template <typename Container, typename Pred>
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bool contains_if(const Container & c, Pred p)
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{
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return std::find_if(std::begin(c), std::end(c), p) != std::end(c);
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}
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//returns true if map c contains item i
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template <typename V, typename Item, typename Item2>
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bool contains(const std::map<Item,V> & c, const Item2 &i)
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{
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return c.find(i)!=c.end();
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}
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//returns true if unordered set c contains item i
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template <typename Item>
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bool contains(const std::unordered_set<Item> & c, const Item &i)
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{
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return c.find(i)!=c.end();
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}
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template <typename V, typename Item, typename Item2>
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bool contains(const std::unordered_map<Item,V> & c, const Item2 &i)
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{
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return c.find(i)!=c.end();
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}
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//returns position of first element in vector c equal to s, if there is no such element, -1 is returned
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template <typename Container, typename T2>
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int find_pos(const Container & c, const T2 &s)
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{
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size_t i=0;
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for (auto iter = std::begin(c); iter != std::end(c); iter++, i++)
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if(*iter == s)
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return i;
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return -1;
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}
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//Func f tells if element matches
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template <typename Container, typename Func>
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int find_pos_if(const Container & c, const Func &f)
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{
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auto ret = boost::range::find_if(c, f);
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if(ret != std::end(c))
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return std::distance(std::begin(c), ret);
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return -1;
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}
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//returns iterator to the given element if present in container, end() if not
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template <typename Container, typename Item>
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typename Container::iterator find(Container & c, const Item &i)
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{
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return std::find(c.begin(),c.end(),i);
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}
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//returns const iterator to the given element if present in container, end() if not
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template <typename Container, typename Item>
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typename Container::const_iterator find(const Container & c, const Item &i)
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{
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return std::find(c.begin(),c.end(),i);
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}
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//removes element i from container c, returns false if c does not contain i
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template <typename Container, typename Item>
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typename Container::size_type operator-=(Container &c, const Item &i)
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{
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typename Container::iterator itr = find(c,i);
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if(itr == c.end())
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return false;
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c.erase(itr);
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return true;
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}
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//assigns greater of (a, b) to a and returns maximum of (a, b)
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template <typename t1, typename t2>
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t1 &amax(t1 &a, const t2 &b)
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{
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if(a >= b)
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return a;
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else
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{
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a = b;
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return a;
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}
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}
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//assigns smaller of (a, b) to a and returns minimum of (a, b)
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template <typename t1, typename t2>
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t1 &amin(t1 &a, const t2 &b)
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{
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if(a <= b)
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return a;
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else
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{
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a = b;
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return a;
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}
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}
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//makes a to fit the range <b, c>
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template <typename t1, typename t2, typename t3>
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t1 &abetween(t1 &a, const t2 &b, const t3 &c)
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{
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amax(a,b);
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amin(a,c);
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return a;
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}
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//checks if a is between b and c
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template <typename t1, typename t2, typename t3>
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bool isbetween(const t1 &value, const t2 &min, const t3 &max)
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{
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return value > min && value < max;
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}
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//checks if a is within b and c
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template <typename t1, typename t2, typename t3>
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bool iswithin(const t1 &value, const t2 &min, const t3 &max)
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{
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return value >= min && value <= max;
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}
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template <typename t1, typename t2>
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struct assigner
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{
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public:
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t1 &op1;
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t2 op2;
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assigner(t1 &a1, const t2 & a2)
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:op1(a1), op2(a2)
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{}
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void operator()()
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{
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op1 = op2;
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}
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};
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// Assigns value a2 to a1. The point of time of the real operation can be controlled
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// with the () operator.
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template <typename t1, typename t2>
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assigner<t1,t2> assigno(t1 &a1, const t2 &a2)
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{
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return assigner<t1,t2>(a1,a2);
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}
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//deleted pointer and sets it to nullptr
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template <typename T>
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void clear_pointer(T* &ptr)
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{
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delete ptr;
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ptr = nullptr;
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}
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#if _MSC_VER >= 1800
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using std::make_unique;
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#else
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template<typename T>
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std::unique_ptr<T> make_unique()
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{
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return std::unique_ptr<T>(new T());
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}
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template<typename T, typename Arg1>
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std::unique_ptr<T> make_unique(Arg1 &&arg1)
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{
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return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1)));
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}
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template<typename T, typename Arg1, typename Arg2>
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std::unique_ptr<T> make_unique(Arg1 &&arg1, Arg2 &&arg2)
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{
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return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1), std::forward<Arg2>(arg2)));
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}
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template<typename T, typename Arg1, typename Arg2, typename Arg3>
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std::unique_ptr<T> make_unique(Arg1 &&arg1, Arg2 &&arg2, Arg3 &&arg3)
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{
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return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1), std::forward<Arg2>(arg2), std::forward<Arg3>(arg3)));
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}
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template<typename T, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
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std::unique_ptr<T> make_unique(Arg1 &&arg1, Arg2 &&arg2, Arg3 &&arg3, Arg4 &&arg4)
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{
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return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1), std::forward<Arg2>(arg2), std::forward<Arg3>(arg3), std::forward<Arg4>(arg4)));
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}
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#endif
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template <typename Container>
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typename Container::const_reference circularAt(const Container &r, size_t index)
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{
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assert(r.size());
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index %= r.size();
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auto itr = std::begin(r);
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std::advance(itr, index);
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return *itr;
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}
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template<typename Range, typename Predicate>
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void erase_if(Range &vec, Predicate pred)
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{
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vec.erase(boost::remove_if(vec, pred),vec.end());
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}
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template<typename Elem, typename Predicate>
|
|
void erase_if(std::set<Elem> &setContainer, Predicate pred)
|
|
{
|
|
auto itr = setContainer.begin();
|
|
auto endItr = setContainer.end();
|
|
while(itr != endItr)
|
|
{
|
|
auto tmpItr = itr++;
|
|
if(pred(*tmpItr))
|
|
setContainer.erase(tmpItr);
|
|
}
|
|
}
|
|
|
|
//works for map and std::map, maybe something else
|
|
template<typename Key, typename Val, typename Predicate>
|
|
void erase_if(std::map<Key, Val> &container, Predicate pred)
|
|
{
|
|
auto itr = container.begin();
|
|
auto endItr = container.end();
|
|
while(itr != endItr)
|
|
{
|
|
auto tmpItr = itr++;
|
|
if(pred(*tmpItr))
|
|
container.erase(tmpItr);
|
|
}
|
|
}
|
|
|
|
template<typename InputRange, typename OutputIterator, typename Predicate>
|
|
OutputIterator copy_if(const InputRange &input, OutputIterator result, Predicate pred)
|
|
{
|
|
return std::copy_if(boost::const_begin(input), std::end(input), result, pred);
|
|
}
|
|
|
|
template <typename Container>
|
|
std::insert_iterator<Container> set_inserter(Container &c)
|
|
{
|
|
return std::inserter(c, c.end());
|
|
}
|
|
|
|
//Returns iterator to the element for which the value of ValueFunction is minimal
|
|
template<class ForwardRange, class ValueFunction>
|
|
auto minElementByFun(const ForwardRange& rng, ValueFunction vf) -> decltype(std::begin(rng))
|
|
{
|
|
/* Clang crashes when instantiating this function template and having PCH compilation enabled.
|
|
* There is a bug report here: http://llvm.org/bugs/show_bug.cgi?id=18744
|
|
* Current bugfix is to don't use a typedef for decltype(*std::begin(rng)) and to use decltype
|
|
* directly for both function parameters.
|
|
*/
|
|
return boost::min_element(rng, [&] (decltype(*std::begin(rng)) lhs, decltype(*std::begin(rng)) rhs) -> bool
|
|
{
|
|
return vf(lhs) < vf(rhs);
|
|
});
|
|
}
|
|
|
|
//Returns iterator to the element for which the value of ValueFunction is maximal
|
|
template<class ForwardRange, class ValueFunction>
|
|
auto maxElementByFun(const ForwardRange& rng, ValueFunction vf) -> decltype(std::begin(rng))
|
|
{
|
|
/* Clang crashes when instantiating this function template and having PCH compilation enabled.
|
|
* There is a bug report here: http://llvm.org/bugs/show_bug.cgi?id=18744
|
|
* Current bugfix is to don't use a typedef for decltype(*std::begin(rng)) and to use decltype
|
|
* directly for both function parameters.
|
|
*/
|
|
return boost::max_element(rng, [&] (decltype(*std::begin(rng)) lhs, decltype(*std::begin(rng)) rhs) -> bool
|
|
{
|
|
return vf(lhs) < vf(rhs);
|
|
});
|
|
}
|
|
|
|
template<typename T>
|
|
void advance(T &obj, int change)
|
|
{
|
|
obj = (T)(((int)obj) + change);
|
|
}
|
|
|
|
template <typename Container>
|
|
typename Container::value_type backOrNull(const Container &c) //returns last element of container or nullptr if it is empty (to be used with containers of pointers)
|
|
{
|
|
if(c.size())
|
|
return c.back();
|
|
else
|
|
return typename Container::value_type();
|
|
}
|
|
|
|
template <typename Container>
|
|
typename Container::value_type frontOrNull(const Container &c) //returns first element of container or nullptr if it is empty (to be used with containers of pointers)
|
|
{
|
|
if(c.size())
|
|
return c.front();
|
|
else
|
|
return nullptr;
|
|
}
|
|
|
|
template <typename Container, typename Index>
|
|
bool isValidIndex(const Container &c, Index i)
|
|
{
|
|
return i >= 0 && i < c.size();
|
|
}
|
|
|
|
template <typename Container, typename Index>
|
|
boost::optional<typename Container::const_reference> tryAt(const Container &c, Index i)
|
|
{
|
|
if(isValidIndex(c, i))
|
|
{
|
|
auto itr = c.begin();
|
|
std::advance(itr, i);
|
|
return *itr;
|
|
}
|
|
return boost::none;
|
|
}
|
|
|
|
template <typename Container, typename Pred>
|
|
static boost::optional<typename Container::const_reference> tryFindIf(const Container &r, const Pred &t)
|
|
{
|
|
auto pos = range::find_if(r, t);
|
|
if(pos == boost::end(r))
|
|
return boost::none;
|
|
else
|
|
return *pos;
|
|
}
|
|
|
|
template <typename Container>
|
|
typename Container::const_reference atOrDefault(const Container &r, size_t index, const typename Container::const_reference &defaultValue)
|
|
{
|
|
if(index < r.size())
|
|
return r[index];
|
|
|
|
return defaultValue;
|
|
}
|
|
|
|
template <typename Container, typename Item>
|
|
bool erase_if_present(Container &c, const Item &item)
|
|
{
|
|
auto i = std::find(c.begin(), c.end(), item);
|
|
if (i != c.end())
|
|
{
|
|
c.erase(i);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
template <typename V, typename Item, typename Item2>
|
|
bool erase_if_present(std::map<Item,V> & c, const Item2 &item)
|
|
{
|
|
auto i = c.find(item);
|
|
if (i != c.end())
|
|
{
|
|
c.erase(i);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template <typename Container, typename Pred>
|
|
void erase(Container &c, Pred pred)
|
|
{
|
|
c.erase(boost::remove_if(c, pred), c.end());
|
|
}
|
|
|
|
template<typename T>
|
|
void removeDuplicates(std::vector<T> &vec)
|
|
{
|
|
boost::sort(vec);
|
|
vec.erase(std::unique(vec.begin(), vec.end()), vec.end());
|
|
}
|
|
|
|
template <typename T>
|
|
void concatenate(std::vector<T> &dest, const std::vector<T> &src)
|
|
{
|
|
dest.reserve(dest.size() + src.size());
|
|
dest.insert(dest.end(), src.begin(), src.end());
|
|
}
|
|
|
|
template <typename T>
|
|
std::vector<T> intersection(std::vector<T> &v1, std::vector<T> &v2)
|
|
{
|
|
std::vector<T> v3;
|
|
std::sort(v1.begin(), v1.end());
|
|
std::sort(v2.begin(), v2.end());
|
|
std::set_intersection(v1.begin(), v1.end(), v2.begin(), v2.end(), std::back_inserter(v3));
|
|
return v3;
|
|
}
|
|
|
|
using boost::math::round;
|
|
}
|
|
using vstd::operator-=;
|
|
using vstd::make_unique;
|