forked from Mirrorlandia_minetest/minetest
354 lines
8.1 KiB
C++
354 lines
8.1 KiB
C++
/*
|
|
Minetest
|
|
Copyright (C) 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.
|
|
*/
|
|
|
|
/*
|
|
Random portability stuff
|
|
*/
|
|
|
|
#ifndef PORTING_HEADER
|
|
#define PORTING_HEADER
|
|
|
|
#ifdef _WIN32
|
|
#ifdef _WIN32_WINNT
|
|
#undef _WIN32_WINNT
|
|
#endif
|
|
#define _WIN32_WINNT 0x0501 // We need to do this before any other headers
|
|
// because those might include sdkddkver.h which defines _WIN32_WINNT if not already set
|
|
#endif
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
#include "irrlicht.h"
|
|
#include "irrlichttypes.h" // u32
|
|
#include "irrlichttypes_extrabloated.h"
|
|
#include "debug.h"
|
|
#include "constants.h"
|
|
#include "gettime.h"
|
|
#include "threads.h"
|
|
|
|
#ifdef _MSC_VER
|
|
#define SWPRINTF_CHARSTRING L"%S"
|
|
#else
|
|
#define SWPRINTF_CHARSTRING L"%s"
|
|
#endif
|
|
|
|
//currently not needed
|
|
//template<typename T> struct alignment_trick { char c; T member; };
|
|
//#define ALIGNOF(type) offsetof (alignment_trick<type>, member)
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
|
|
#define sleep_ms(x) Sleep(x)
|
|
#else
|
|
#include <unistd.h>
|
|
#include <stdint.h> //for uintptr_t
|
|
|
|
#if (defined(linux) || defined(__linux) || defined(__GNU__)) && !defined(_GNU_SOURCE)
|
|
#define _GNU_SOURCE
|
|
#endif
|
|
|
|
#define sleep_ms(x) usleep(x*1000)
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
#define ALIGNOF(x) __alignof(x)
|
|
#define strtok_r(x, y, z) strtok_s(x, y, z)
|
|
#define strtof(x, y) (float)strtod(x, y)
|
|
#define strtoll(x, y, z) _strtoi64(x, y, z)
|
|
#define strtoull(x, y, z) _strtoui64(x, y, z)
|
|
#define strcasecmp(x, y) stricmp(x, y)
|
|
#define strncasecmp(x, y, n) strnicmp(x, y, n)
|
|
#else
|
|
#define ALIGNOF(x) __alignof__(x)
|
|
#endif
|
|
|
|
#ifdef __MINGW32__
|
|
#define strtok_r(x, y, z) mystrtok_r(x, y, z)
|
|
#endif
|
|
|
|
// strlcpy is missing from glibc. thanks a lot, drepper.
|
|
// strlcpy is also missing from AIX and HP-UX because they aim to be weird.
|
|
// We can't simply alias strlcpy to MSVC's strcpy_s, since strcpy_s by
|
|
// default raises an assertion error and aborts the program if the buffer is
|
|
// too small.
|
|
#if defined(__FreeBSD__) || defined(__NetBSD__) || \
|
|
defined(__OpenBSD__) || defined(__DragonFly__) || \
|
|
defined(__APPLE__) || \
|
|
defined(__sun) || defined(sun) || \
|
|
defined(__QNX__) || defined(__QNXNTO__)
|
|
#define HAVE_STRLCPY
|
|
#endif
|
|
|
|
// So we need to define our own.
|
|
#ifndef HAVE_STRLCPY
|
|
#define strlcpy(d, s, n) mystrlcpy(d, s, n)
|
|
#endif
|
|
|
|
#define PADDING(x, y) ((ALIGNOF(y) - ((uintptr_t)(x) & (ALIGNOF(y) - 1))) & (ALIGNOF(y) - 1))
|
|
|
|
#if defined(__APPLE__)
|
|
#include <mach-o/dyld.h>
|
|
#include <CoreFoundation/CoreFoundation.h>
|
|
#endif
|
|
|
|
#ifndef _WIN32 // Posix
|
|
#include <sys/time.h>
|
|
#include <time.h>
|
|
#if defined(__MACH__) && defined(__APPLE__)
|
|
#include <mach/clock.h>
|
|
#include <mach/mach.h>
|
|
#endif
|
|
#endif
|
|
|
|
namespace porting
|
|
{
|
|
|
|
/*
|
|
Signal handler (grabs Ctrl-C on POSIX systems)
|
|
*/
|
|
|
|
void signal_handler_init(void);
|
|
// Returns a pointer to a bool.
|
|
// When the bool is true, program should quit.
|
|
bool * signal_handler_killstatus(void);
|
|
|
|
/*
|
|
Path of static data directory.
|
|
*/
|
|
extern std::string path_share;
|
|
|
|
/*
|
|
Directory for storing user data. Examples:
|
|
Windows: "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
|
|
Linux: "~/.<PROJECT_NAME>"
|
|
Mac: "~/Library/Application Support/<PROJECT_NAME>"
|
|
*/
|
|
extern std::string path_user;
|
|
|
|
/*
|
|
Path to gettext locale files
|
|
*/
|
|
extern std::string path_locale;
|
|
|
|
/*
|
|
Get full path of stuff in data directory.
|
|
Example: "stone.png" -> "../data/stone.png"
|
|
*/
|
|
std::string getDataPath(const char *subpath);
|
|
|
|
/*
|
|
Initialize path_*.
|
|
*/
|
|
void initializePaths();
|
|
|
|
/*
|
|
Return system information
|
|
e.g. "Linux/3.12.7 x86_64"
|
|
*/
|
|
std::string get_sysinfo();
|
|
|
|
void initIrrlicht(irr::IrrlichtDevice * );
|
|
|
|
/*
|
|
Resolution is 10-20ms.
|
|
Remember to check for overflows.
|
|
Overflow can occur at any value higher than 10000000.
|
|
*/
|
|
#ifdef _WIN32 // Windows
|
|
|
|
inline u32 getTimeS()
|
|
{
|
|
return GetTickCount() / 1000;
|
|
}
|
|
|
|
inline u32 getTimeMs()
|
|
{
|
|
return GetTickCount();
|
|
}
|
|
|
|
inline u32 getTimeUs()
|
|
{
|
|
LARGE_INTEGER freq, t;
|
|
QueryPerformanceFrequency(&freq);
|
|
QueryPerformanceCounter(&t);
|
|
return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000.0);
|
|
}
|
|
|
|
inline u32 getTimeNs()
|
|
{
|
|
LARGE_INTEGER freq, t;
|
|
QueryPerformanceFrequency(&freq);
|
|
QueryPerformanceCounter(&t);
|
|
return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000000.0);
|
|
}
|
|
|
|
#else // Posix
|
|
|
|
inline u32 getTimeS()
|
|
{
|
|
struct timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
return tv.tv_sec;
|
|
}
|
|
|
|
inline u32 getTimeMs()
|
|
{
|
|
struct timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
return tv.tv_sec * 1000 + tv.tv_usec / 1000;
|
|
}
|
|
|
|
inline u32 getTimeUs()
|
|
{
|
|
struct timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
return tv.tv_sec * 1000000 + tv.tv_usec;
|
|
}
|
|
|
|
inline u32 getTimeNs()
|
|
{
|
|
struct timespec ts;
|
|
// from http://stackoverflow.com/questions/5167269/clock-gettime-alternative-in-mac-os-x
|
|
#if defined(__MACH__) && defined(__APPLE__) // OS X does not have clock_gettime, use clock_get_time
|
|
clock_serv_t cclock;
|
|
mach_timespec_t mts;
|
|
host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
|
|
clock_get_time(cclock, &mts);
|
|
mach_port_deallocate(mach_task_self(), cclock);
|
|
ts.tv_sec = mts.tv_sec;
|
|
ts.tv_nsec = mts.tv_nsec;
|
|
#else
|
|
clock_gettime(CLOCK_REALTIME, &ts);
|
|
#endif
|
|
return ts.tv_sec * 1000000000 + ts.tv_nsec;
|
|
}
|
|
|
|
/*#include <sys/timeb.h>
|
|
inline u32 getTimeMs()
|
|
{
|
|
struct timeb tb;
|
|
ftime(&tb);
|
|
return tb.time * 1000 + tb.millitm;
|
|
}*/
|
|
#endif
|
|
|
|
inline u32 getTime(TimePrecision prec)
|
|
{
|
|
switch (prec) {
|
|
case PRECISION_SECONDS:
|
|
return getTimeS();
|
|
case PRECISION_MILLI:
|
|
return getTimeMs();
|
|
case PRECISION_MICRO:
|
|
return getTimeUs();
|
|
case PRECISION_NANO:
|
|
return getTimeNs();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Delta calculation function taking two 32bit arguments.
|
|
* @param old_time_ms old time for delta calculation (order is relevant!)
|
|
* @param new_time_ms new time for delta calculation (order is relevant!)
|
|
* @return positive 32bit delta value
|
|
*/
|
|
inline u32 getDeltaMs(u32 old_time_ms, u32 new_time_ms)
|
|
{
|
|
if (new_time_ms >= old_time_ms) {
|
|
return (new_time_ms - old_time_ms);
|
|
} else {
|
|
return (old_time_ms - new_time_ms);
|
|
}
|
|
}
|
|
|
|
|
|
#ifndef SERVER
|
|
float getDisplayDensity();
|
|
|
|
v2u32 getDisplaySize();
|
|
v2u32 getWindowSize();
|
|
|
|
std::vector<core::vector3d<u32> > getSupportedVideoModes();
|
|
std::vector<irr::video::E_DRIVER_TYPE> getSupportedVideoDrivers();
|
|
const char *getVideoDriverName(irr::video::E_DRIVER_TYPE type);
|
|
const char *getVideoDriverFriendlyName(irr::video::E_DRIVER_TYPE type);
|
|
#endif
|
|
|
|
inline const char *getPlatformName()
|
|
{
|
|
return
|
|
#if defined(ANDROID)
|
|
"Android"
|
|
#elif defined(linux) || defined(__linux) || defined(__linux__)
|
|
"Linux"
|
|
#elif defined(_WIN32) || defined(_WIN64)
|
|
"Windows"
|
|
#elif defined(__DragonFly__) || defined(__FreeBSD__) || \
|
|
defined(__NetBSD__) || defined(__OpenBSD__)
|
|
"BSD"
|
|
#elif defined(__APPLE__) && defined(__MACH__)
|
|
#if TARGET_OS_MAC
|
|
"OSX"
|
|
#elif TARGET_OS_IPHONE
|
|
"iOS"
|
|
#else
|
|
"Apple"
|
|
#endif
|
|
#elif defined(_AIX)
|
|
"AIX"
|
|
#elif defined(__hpux)
|
|
"HP-UX"
|
|
#elif defined(__sun) || defined(sun)
|
|
#if defined(__SVR4)
|
|
"Solaris"
|
|
#else
|
|
"SunOS"
|
|
#endif
|
|
#elif defined(__CYGWIN__)
|
|
"Cygwin"
|
|
#elif defined(__unix__) || defined(__unix)
|
|
#if defined(_POSIX_VERSION)
|
|
"Posix"
|
|
#else
|
|
"Unix"
|
|
#endif
|
|
#else
|
|
"?"
|
|
#endif
|
|
;
|
|
}
|
|
|
|
void setXorgClassHint(const video::SExposedVideoData &video_data,
|
|
const std::string &name);
|
|
|
|
// This only needs to be called at the start of execution, since all future
|
|
// threads in the process inherit this exception handler
|
|
void setWin32ExceptionHandler();
|
|
|
|
} // namespace porting
|
|
|
|
#ifdef __ANDROID__
|
|
#include "porting_android.h"
|
|
#endif
|
|
|
|
#endif // PORTING_HEADER
|
|
|