// Globals.h
// This file gets included from every module in the project, so that global symbols may be introduced easily
// Also used for precompiled header generation in MSVC environments
// Compiler-dependent stuff:
#if defined(_MSC_VER)
// Disable some warnings that we don't care about:
#pragma warning(disable:4100) // Unreferenced formal parameter
// Useful warnings from warning level 4:
#pragma warning(3 : 4189) // Local variable is initialized but not referenced
#pragma warning(3 : 4245) // Conversion from 'type1' to 'type2', signed / unsigned mismatch
#pragma warning(3 : 4310) // Cast truncates constant value
#pragma warning(3 : 4389) // Signed / unsigned mismatch
#pragma warning(3 : 4505) // Unreferenced local function has been removed
#pragma warning(3 : 4701) // Potentially unitialized local variable used
#pragma warning(3 : 4702) // Unreachable code
#pragma warning(3 : 4706) // Assignment within conditional expression
// 2014-10-23 xoft: Disabled this because the new C++11 headers in MSVC produce tons of these warnings uselessly
// #pragma warning(3 : 4127) // Conditional expression is constant
// Disabling this warning, because we know what we're doing when we're doing this:
#pragma warning(disable: 4355) // 'this' used in initializer list
// Disabled because it's useless:
#pragma warning(disable: 4512) // 'class': assignment operator could not be generated - reported for each class that has a reference-type member
#pragma warning(disable: 4351) // new behavior: elements of array 'member' will be default initialized
// 2014_01_06 xoft: Disabled this warning because MSVC is stupid and reports it in obviously wrong places
// #pragma warning(3 : 4244) // Conversion from 'type1' to 'type2', possible loss of data
#define OBSOLETE __declspec(deprecated)
#define FORMATSTRING(formatIndex, va_argsIndex)
// MSVC has its own custom version of zu format
#define SIZE_T_FMT "%Iu"
#define SIZE_T_FMT_PRECISION(x) "%" #x "Iu"
#define SIZE_T_FMT_HEX "%Ix"
#define NORETURN __declspec(noreturn)
#if (_MSC_VER < 1910)
// MSVC 2013 (and possibly 2015?) have no idea about "noexcept(false)"
#define CAN_THROW throw(...)
#else
#define CAN_THROW noexcept(false)
#endif
// Use non-standard defines in <cmath>
#define _USE_MATH_DEFINES
#ifdef _DEBUG
// Override the "new" operator to include file and line specification for debugging memory leaks
// Ref.: https://social.msdn.microsoft.com/Forums/en-US/ebc7dd7a-f3c6-49f1-8a60-e381052f21b6/debugging-memory-leaks?forum=vcgeneral#53f0cc89-62fe-45e8-bbf0-56b89f2a1901
// This causes MSVC Debug runs to produce a report upon program exit, that contains memory-leaks
// together with the file:line information about where the memory was allocated.
// Note that this doesn't work with placement-new, which needs to temporarily #undef the macro
// (See AllocationPool.h for an example).
#ifdef _DEBUG
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#define DEBUG_CLIENTBLOCK new(_CLIENT_BLOCK, __FILE__, __LINE__)
#define new DEBUG_CLIENTBLOCK
// For some reason this works magically - each "new X" gets replaced as "new(_CLIENT_BLOCK, "file", line) X"
// The CRT has a definition for this operator new that stores the debugging info for leak-finding later.
#endif
#endif
#elif defined(__GNUC__)
// TODO: Can GCC explicitly mark classes as abstract (no instances can be created)?
#define abstract
// override is part of c++11
#if __cplusplus < 201103L
#define override
#endif
#define OBSOLETE __attribute__((deprecated))
#define FORMATSTRING(formatIndex, va_argsIndex) __attribute__((format (printf, formatIndex, va_argsIndex)))
#if defined(_WIN32)
// We're compiling on MinGW, which uses an old MSVCRT library that has no support for size_t printfing.
// We need direct size formats:
#if defined(_WIN64)
#define SIZE_T_FMT "%I64u"
#define SIZE_T_FMT_PRECISION(x) "%" #x "I64u"
#define SIZE_T_FMT_HEX "%I64x"
#else
#define SIZE_T_FMT "%u"
#define SIZE_T_FMT_PRECISION(x) "%" #x "u"
#define SIZE_T_FMT_HEX "%x"
#endif
#else
// We're compiling on Linux, so we can use libc's size_t printf format:
#define SIZE_T_FMT "%zu"
#define SIZE_T_FMT_PRECISION(x) "%" #x "zu"
#define SIZE_T_FMT_HEX "%zx"
#endif
#define NORETURN __attribute((__noreturn__))
#define CAN_THROW noexcept(false)
#else
#error "You are using an unsupported compiler, you might need to #define some stuff here for your compiler"
#endif
#ifdef _DEBUG
#define NORETURNDEBUG NORETURN
#else
#define NORETURNDEBUG
#endif
#include <stddef.h>
// Integral types with predefined sizes:
typedef signed long long Int64;
typedef signed int Int32;
typedef signed short Int16;
typedef signed char Int8;
typedef unsigned long long UInt64;
typedef unsigned int UInt32;
typedef unsigned short UInt16;
typedef unsigned char UInt8;
typedef unsigned char Byte;
typedef Byte ColourID;
template <typename T, size_t Size>
class SizeChecker
{
static_assert(sizeof(T) == Size, "Check the size of integral types");
};
template class SizeChecker<Int64, 8>;
template class SizeChecker<Int32, 4>;
template class SizeChecker<Int16, 2>;
template class SizeChecker<Int8, 1>;
template class SizeChecker<UInt64, 8>;
template class SizeChecker<UInt32, 4>;
template class SizeChecker<UInt16, 2>;
template class SizeChecker<UInt8, 1>;
// A macro to disallow the copy constructor and operator = functions
// This should be used in the declarations for any class that shouldn't allow copying itself
#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName &) = delete; \
TypeName & operator =(const TypeName &) = delete
// A macro that is used to mark unused local variables, to avoid pedantic warnings in gcc / clang / MSVC
// Note that in MSVC it requires the full type of X to be known
#define UNUSED_VAR(X) (void)(X)
// A macro that is used to mark unused function parameters, to avoid pedantic warnings in gcc
// Written so that the full type of param needn't be known
#ifdef _MSC_VER
#define UNUSED(X)
#else
#define UNUSED UNUSED_VAR
#endif
// OS-dependent stuff:
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#define _WIN32_WINNT _WIN32_WINNT_WS03 // We want to target Windows XP with Service Pack 2 & Windows Server 2003 with Service Pack 1 and higher
// Windows SDK defines min and max macros, messing up with our std::min and std::max usage
#define NOMINMAX
#include <Windows.h>
#include <winsock2.h>
#include <Ws2tcpip.h> // IPv6 stuff
// Windows SDK defines GetFreeSpace as a constant, probably a Win16 API remnant
#ifdef GetFreeSpace
#undef GetFreeSpace
#endif // GetFreeSpace
#else
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <time.h>
#include <dirent.h>
#include <errno.h>
#include <iostream>
#include <cstdio>
#include <cstring>
#include <pthread.h>
#include <semaphore.h>
#include <fcntl.h>
#include <unistd.h>
#endif
#if defined(ANDROID_NDK)
#define FILE_IO_PREFIX "/sdcard/Cuberite/"
#else
#define FILE_IO_PREFIX ""
#endif
// CRT stuff:
#include <sys/stat.h>
#include <cassert>
#include <cstdio>
#include <cmath>
#include <cstdarg>
// STL stuff:
#include <array>
#include <chrono>
#include <vector>
#include <list>
#include <deque>
#include <string>
#include <map>
#include <algorithm>
#include <memory>
#include <set>
#include <queue>
#include <limits>
#include <random>
#include <type_traits>
#include <atomic>
// Common headers (part 1, without macros):
#include "StringUtils.h"
#include "OSSupport/CriticalSection.h"
#include "OSSupport/Event.h"
#include "OSSupport/File.h"
#include "OSSupport/StackTrace.h"
#ifndef TEST_GLOBALS
// These functions are defined in Logger.cpp, but are declared here to avoid including all of logger.h
extern void LOG (const char * a_Format, ...) FORMATSTRING(1, 2);
extern void LOGINFO (const char * a_Format, ...) FORMATSTRING(1, 2);
extern void LOGWARNING(const char * a_Format, ...) FORMATSTRING(1, 2);
extern void LOGERROR (const char * a_Format, ...) FORMATSTRING(1, 2);
// In debug builds, translate LOGD to LOG, otherwise leave it out altogether:
#ifdef _DEBUG
#define LOGD LOG
#else
#define LOGD(...)
#endif // _DEBUG
#define LOGWARN LOGWARNING
#else
// Logging functions
void inline LOGERROR(const char * a_Format, ...) FORMATSTRING(1, 2);
void inline LOGERROR(const char * a_Format, ...)
{
va_list argList;
va_start(argList, a_Format);
vprintf(a_Format, argList);
putchar('\n');
fflush(stdout);
va_end(argList);
}
void inline LOGWARNING(const char * a_Format, ...) FORMATSTRING(1, 2);
void inline LOGWARNING(const char * a_Format, ...)
{
va_list argList;
va_start(argList, a_Format);
vprintf(a_Format, argList);
putchar('\n');
fflush(stdout);
va_end(argList);
}
void inline LOGD(const char * a_Format, ...) FORMATSTRING(1, 2);
void inline LOGD(const char * a_Format, ...)
{
va_list argList;
va_start(argList, a_Format);
vprintf(a_Format, argList);
putchar('\n');
fflush(stdout);
va_end(argList);
}
void inline LOG(const char * a_Format, ...) FORMATSTRING(1, 2);
void inline LOG(const char * a_Format, ...)
{
va_list argList;
va_start(argList, a_Format);
vprintf(a_Format, argList);
putchar('\n');
fflush(stdout);
va_end(argList);
}
#define LOGINFO LOG
#define LOGWARN LOGWARNING
#endif
// Common definitions:
/** Evaluates to the number of elements in an array (compile-time!) */
#define ARRAYCOUNT(X) (sizeof(X) / sizeof(*(X)))
/** Allows arithmetic expressions like "32 KiB" (but consider using parenthesis around it, "(32 KiB)") */
#define KiB * 1024
#define MiB * 1024 * 1024
/** Faster than (int)floorf((float)x / (float)div) */
#define FAST_FLOOR_DIV(x, div) (((x) - (((x) < 0) ? ((div) - 1) : 0)) / (div))
// Own version of assert() that writes failed assertions to the log for review
#ifdef TEST_GLOBALS
class cAssertFailure
{
};
#ifdef _WIN32
#if (defined(_MSC_VER) && defined(_DEBUG))
#define DBG_BREAK _CrtDbgBreak()
#else
#define DBG_BREAK
#endif
#define REPORT_ERROR(FMT, ...) \
{ \
AString msg = Printf(FMT, __VA_ARGS__); \
puts(msg.c_str()); \
fflush(stdout); \
OutputDebugStringA(msg.c_str()); \
DBG_BREAK; \
}
#else
#define REPORT_ERROR(FMT, ...) \
{ \
AString msg = Printf(FMT, __VA_ARGS__); \
puts(msg.c_str()); \
fflush(stdout); \
}
#endif
#ifdef _DEBUG
#define ASSERT(x) do { if (!(x)) { throw cAssertFailure();} } while (0)
#define testassert(x) do { if (!(x)) { REPORT_ERROR("Test failure: %s, file %s, line %d\n", #x, __FILE__, __LINE__); exit(1); } } while (0)
#define CheckAsserts(x) do { try {x} catch (cAssertFailure) { break; } REPORT_ERROR("Test failure: assert didn't fire for %s, file %s, line %d\n", #x, __FILE__, __LINE__); exit(1); } while (0)
#else
#define ASSERT(...)
#define testassert(...)
#define CheckAsserts(...) LOG("Assert checking is disabled in Release-mode executables (file %s, line %d)", __FILE__, __LINE__)
#endif
#else
#ifdef _DEBUG
#define ASSERT(x) ( !!(x) || ( LOGERROR("Assertion failed: %s, file %s, line %i", #x, __FILE__, __LINE__), PrintStackTrace(), assert(0), 0))
#else
#define ASSERT(x)
#endif
#endif
// Pretty much the same as ASSERT() but stays in Release builds
#define VERIFY( x) ( !!(x) || ( LOGERROR("Verification failed: %s, file %s, line %i", #x, __FILE__, __LINE__), PrintStackTrace(), exit(1), 0))
// Same as assert but in all Self test builds
#ifdef SELF_TEST
#define assert_test(x) ( !!(x) || (assert(!#x), exit(1), 0))
#endif
/** A generic interface used mainly in ForEach() functions */
template <typename Type> class cItemCallback
{
public:
virtual ~cItemCallback() {}
/** Called for each item in the internal list; return true to stop the loop, or false to continue enumerating */
virtual bool Item(Type * a_Type) = 0;
} ;
/** Clamp X to the specified range. */
template <typename T>
T Clamp(T a_Value, T a_Min, T a_Max)
{
return (a_Value < a_Min) ? a_Min : ((a_Value > a_Max) ? a_Max : a_Value);
}
/** Floors a value, then casts it to C (an int by default) */
template <typename C = int, typename T>
typename std::enable_if<std::is_arithmetic<T>::value, C>::type FloorC(T a_Value)
{
return static_cast<C>(std::floor(a_Value));
}
/** Ceils a value, then casts it to C (an int by default) */
template <typename C = int, typename T>
typename std::enable_if<std::is_arithmetic<T>::value, C>::type CeilC(T a_Value)
{
return static_cast<C>(std::ceil(a_Value));
}
//temporary replacement for std::make_unique until we get c++14
namespace cpp14
{
template <class T, class... Args>
std::unique_ptr<T> make_unique(Args&&... args)
{
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
}
// a tick is 50 ms
using cTickTime = std::chrono::duration<int, std::ratio_multiply<std::chrono::milliseconds::period, std::ratio<50>>>;
using cTickTimeLong = std::chrono::duration<Int64, cTickTime::period>;
#ifndef TOLUA_TEMPLATE_BIND
#define TOLUA_TEMPLATE_BIND(x)
#endif
// Common headers (part 2, with macros):
#include "ChunkDef.h"
#include "BiomeDef.h"
#include "BlockID.h"
#include "BlockInfo.h"
