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CWE-ou-minkata/Sources/Plasma/CoreLib/HeadSpin.h

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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef HeadSpinHDefined
#define HeadSpinHDefined
// Ensure these get set consistently regardless of what module includes it
#include "hsCompilerSpecific.h"
#if defined(_DEBUG)
# define HS_DEBUGGING
#endif
//======================================
// Some standard includes
//======================================
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cctype>
#include <cstdarg>
#include <cstdint>
//======================================
// Winblows Hacks
//======================================
#ifdef HS_BUILD_FOR_WIN32
// 4244: Conversion
// 4305: Truncation
// 4503: 'identifier' : decorated name length exceeded, name was truncated
// 4018: signed/unsigned mismatch
// 4786: 255 character debug limit
// 4284: STL template defined operator-> for a class it doesn't make sense for (int, etc)
// 4800: 'int': forcing value to bool 'true' or 'false' (performance warning)
# ifdef _MSC_VER
# pragma warning( disable : 4305 4503 4018 4786 4284 4800)
# endif // _MSC_VER
// Kind of nasty looking forward declarations, but this is Win32.... it'll never change!
// If you want to argue: would you rather pull in the entire Windows.h? Windows 8 makes it
// even more bloated than before!
struct HWND__; typedef struct HWND__ *HWND;
struct HINSTANCE__; typedef struct HINSTANCE__ *HINSTANCE;
typedef HWND hsWindowHndl;
typedef HINSTANCE hsWindowInst;
typedef HINSTANCE HMODULE;
typedef long HRESULT;
typedef void* HANDLE;
#else
typedef int32_t* hsWindowHndl;
typedef int32_t* hsWindowInst;
#endif // HS_BUILD_FOR_WIN32
//======================================
// Basic macros
//======================================
#ifdef HS_BUILD_FOR_WIN32
# ifndef CDECL
# define CDECL __cdecl
# endif
#else
# define CDECL
#endif
#define kPosInfinity32 (0x7fffffff)
#define kNegInfinity32 (0x80000000)
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
#ifndef nil
# define nil (nullptr)
#endif
typedef int32_t hsError;
#define hsOK 0
#define hsFail -1
#define hsFailed(r) ((hsError)(r)<hsOK)
#define hsSucceeded(r) ((hsError)(r)>=hsOK)
#if defined(HAVE_GCC_DEPRECATED_ATTR)
# define hsDeprecated(message) __attribute__((deprecated(message)))
#elif defined(HAVE_CXX14_DEPRECATED_ATTR)
# define hsDeprecated(message) [[deprecated(message)]]
#elif defined(_MSC_VER)
# define hsDeprecated(message) __declspec(deprecated(message))
#else
# define hsDeprecated(message)
#endif
#ifdef HAVE_OVERRIDE
# define HS_OVERRIDE override
# define HS_FINAL final
#else
# define HS_OVERRIDE
# define HS_FINAL
#endif
#ifdef HAVE_NOEXCEPT
# define HS_NOEXCEPT noexcept
# define HS_NOEXCEPT_IF(cond) noexcept(cond)
#else
# define HS_NOEXCEPT throw()
# define HS_NOEXCEPT_IF(cond)
#endif
//======================================
// Endian swap funcitions
//======================================
inline uint16_t hsSwapEndian16(uint16_t value)
{
return (value >> 8) | (value << 8);
}
inline uint32_t hsSwapEndian32(uint32_t value)
{
return ((value) << 24) |
((value & 0x0000ff00) << 8) |
((value & 0x00ff0000) >> 8) |
((value) >> 24);
}
inline uint64_t hsSwapEndian64(uint64_t value)
{
return ((value) << 56) |
((value & 0x000000000000ff00) << 40) |
((value & 0x0000000000ff0000) << 24) |
((value & 0x00000000ff000000) << 8) |
((value & 0x000000ff00000000) >> 8) |
((value & 0x0000ff0000000000) >> 24) |
((value & 0x00ff000000000000) >> 40) |
((value) >> 56);
}
inline float hsSwapEndianFloat(float fvalue)
{
union {
uint32_t i;
float f;
} value;
value.f = fvalue;
value.i = hsSwapEndian32(value.i);
return value.f;
}
inline double hsSwapEndianDouble(double dvalue)
{
union {
uint64_t i;
double f;
} value;
value.f = dvalue;
value.i = hsSwapEndian64(value.i);
return value.f;
}
#if LITTLE_ENDIAN
#define hsToBE16(n) hsSwapEndian16(n)
#define hsToBE32(n) hsSwapEndian32(n)
#define hsToBE64(n) hsSwapEndian64(n)
#define hsToBEFloat(n) hsSwapEndianFloat(n)
#define hsToBEDouble(n) hsSwapEndianDouble(n)
#define hsToLE16(n) (n)
#define hsToLE32(n) (n)
#define hsToLE64(n) (n)
#define hsToLEFloat(n) (n)
#define hsToLEDouble(n) (n)
#else
#define hsToBE16(n) (n)
#define hsToBE32(n) (n)
#define hsToBE64(n) (n)
#define hsToBEFloat(n) (n)
#define hsToBEDouble(n) (n)
#define hsToLE16(n) hsSwapEndian16(n)
#define hsToLE32(n) hsSwapEndian32(n)
#define hsToLE64(n) hsSwapEndian64(n)
#define hsToLEFloat(n) hsSwapEndianFloat(n)
#define hsToLEDouble(n) hsSwapEndianDouble(n)
#endif
//===========================================================================
// Define a NOOP (null) statement
//===========================================================================
#ifdef _MSC_VER
# define NULL_STMT __noop
#else
# define NULL_STMT ((void)0)
#endif
/****************************************************************************
*
* AUTO_INIT_FUNC
* Declares a function that is automatically called at program startup time
*
* Example:
*
* AUTO_INIT_FUNC(BuildLookupTables) {
* ...
* }
*
***/
#define AUTO_INIT_FUNC(name) namespace { struct name { name (); } name##_instance; } name::name ()
/****************************************************************************
*
* arrsize
* arrsize returns the number of elements in an array variable
*
* Example:
*
* StrPrintf(buffer, arrsize(buffer), "%u", value);
*
***/
#ifdef HAVE_CONSTEXPR
template <typename _T, size_t _Sz>
constexpr size_t arrsize(_T(&)[_Sz]) { return _Sz; }
#else
# define arrsize(a) (sizeof(a) / sizeof((a)[0]))
#endif
/****************************************************************************
*
* IS_POW2
*
***/
#define IS_POW2(val) (!((val) & ((val) - 1)))
#ifdef PLASMA_EXTERNAL_RELEASE
# define hsStatusMessage(x) NULL_STMT
# define hsStatusMessageF(x, ...) NULL_STMT
#else
void hsStatusMessage(const char* message);
void hsStatusMessageF(const char * fmt, ...);
#endif // PLASMA_EXTERNAL_RELEASE
char* hsStrcpy(char* dstOrNil, const char* src);
void hsStrLower(char *s);
inline char* hsStrcpy(const char* src)
{
return hsStrcpy(nil, src);
}
inline char *hsStrncpy(char *strDest, const char *strSource, size_t count)
{
char *temp = strncpy(strDest, strSource, count-1);
strDest[count-1] = 0;
return temp;
}
wchar_t *hsStringToWString( const char *str );
char *hsWStringToString( const wchar_t *str );
enum { // Kind of MessageBox...passed to hsMessageBox
hsMessageBoxAbortRetyIgnore,
hsMessageBoxNormal, // Just Ok
hsMessageBoxOkCancel,
hsMessageBoxRetryCancel,
hsMessageBoxYesNo,
hsMessageBoxYesNoCancel,
};
enum {
hsMessageBoxIconError,
hsMessageBoxIconQuestion,
hsMessageBoxIconExclamation,
hsMessageBoxIconAsterisk,
};
enum { // RETURN VALUES FROM hsMessageBox
hsMBoxOk = 1, // OK button was selected.
hsMBoxCancel, // Cancel button was selected.
hsMBoxAbort, // Abort button was selected.
hsMBoxRetry, // Retry button was selected.
hsMBoxIgnore, // Ignore button was selected.
hsMBoxYes, // Yes button was selected.
hsMBoxNo // No button was selected.
};
extern bool hsMessageBox_SuppressPrompts;
int hsMessageBox(const char* message, const char* caption, int kind, int icon=hsMessageBoxIconAsterisk);
int hsMessageBox(const wchar_t* message, const wchar_t* caption, int kind, int icon=hsMessageBoxIconAsterisk);
int hsMessageBoxWithOwner(hsWindowHndl owner, const char* message, const char* caption, int kind, int icon=hsMessageBoxIconAsterisk);
int hsMessageBoxWithOwner(hsWindowHndl owner, const wchar_t* message, const wchar_t* caption, int kind, int icon=hsMessageBoxIconAsterisk);
// flag testing / clearing
#define hsCheckBits(f,c) ((f & c)==c)
#define hsTestBits(f,b) ( (f) & (b) )
#define hsSetBits(f,b) ( (f) |= (b) )
#define hsClearBits(f,b) ( (f) &= ~(b) )
#define hsToggleBits(f,b) ( (f) ^= (b) )
#define hsChangeBits(f,b,t) ( t ? hsSetBits(f,b) : hsClearBits(f,b) )
#if HS_BUILD_FOR_WIN32
// This is for Windows
# define hsVsnprintf _vsnprintf
# define hsVsnwprintf _vsnwprintf
# define hsSnprintf _snprintf
# define hsSnwprintf _snwprintf
# define snprintf _snprintf
# define snwprintf _snwprintf
# define swprintf _snwprintf
# ifndef fileno
# define fileno(__F) _fileno(__F)
# endif
# define hsWFopen(name, mode) _wfopen(name, mode)
#else
// This is for Unix, Linux, OSX, etc.
# define hsVsnprintf vsnprintf
# define hsVsnwprintf vswprintf
# define hsSnprintf snprintf
# define hsSnwprintf swprintf
# define hsWFopen(name, mode) fopen(hsWStringToString(name), hsWStringToString(mode))
# include <limits.h>
# define MAX_PATH PATH_MAX
#endif
#define MAX_EXT (256)
// Useful floating point utilities
inline float hsDegreesToRadians(float deg) { return float(deg * (M_PI / 180)); }
inline float hsRadiansToDegrees(float rad) { return float(rad * (180 / M_PI)); }
#define hsInvert(a) (1 / (a))
#ifdef _MSC_VER
# define ALIGN(n) __declspec(align(n))
#else
# define ALIGN(n) __atribute__(aligned(n))
#endif
/************************ Debug/Error Macros **************************/
typedef void (*hsDebugMessageProc)(const char message[]);
extern hsDebugMessageProc gHSDebugProc;
#define HSDebugProc(m) { if (gHSDebugProc) gHSDebugProc(m); }
hsDebugMessageProc hsSetDebugMessageProc(hsDebugMessageProc newProc);
extern hsDebugMessageProc gHSStatusProc;
hsDebugMessageProc hsSetStatusMessageProc(hsDebugMessageProc newProc);
void ErrorEnableGui (bool enabled);
void ErrorAssert (int line, const char* file, const char* fmt, ...);
bool DebugIsDebuggerPresent();
void DebugBreakIfDebuggerPresent();
void DebugBreakAlways();
void DebugMsg(const char* fmt, ...);
#ifdef HS_DEBUGGING
void hsDebugMessage(const char* message, long refcon);
#define hsDebugCode(code) code
#define hsIfDebugMessage(expr, msg, ref) (void)( ((expr) != 0) || (hsDebugMessage(msg, ref), 0) )
#define hsAssert(expr, ...) (void)( ((expr) != 0) || (ErrorAssert(__LINE__, __FILE__, __VA_ARGS__), 0) )
#define ASSERT(expr) (void)( ((expr) != 0) || (ErrorAssert(__LINE__, __FILE__, #expr), 0) )
#define ASSERTMSG(expr, ...) (void)( ((expr) != 0) || (ErrorAssert(__LINE__, __FILE__, __VA_ARGS__), 0) )
#define FATAL(...) ErrorAssert(__LINE__, __FILE__, __VA_ARGS__)
#define DEBUG_MSG DebugMsg
#define DEBUG_BREAK_IF_DEBUGGER_PRESENT DebugBreakIfDebuggerPresent
#else /* Not debugging */
#define hsDebugMessage(message, refcon) NULL_STMT
#define hsDebugCode(code) /* empty */
#define hsIfDebugMessage(expr, msg, ref) NULL_STMT
#define hsAssert(expr, ...) NULL_STMT
#define ASSERT(expr) NULL_STMT
#define ASSERTMSG(expr, ...) NULL_STMT
#define FATAL(...) NULL_STMT
#define DEBUG_MSG (void)
#define DEBUG_MSGV NULL_STMT
#define DEBUG_BREAK_IF_DEBUGGER_PRESENT NULL_STMT
#endif // HS_DEBUGGING
#ifdef _MSC_VER
#define DEFAULT_FATAL(var) default: FATAL("No valid case for switch variable '" #var "'"); __assume(0); break;
#else
#define DEFAULT_FATAL(var) default: FATAL("No valid case for switch variable '" #var "'"); break;
#endif
#endif