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doom3-bfg/neo/idlib/Lib.h

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/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code 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.
Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#ifndef __LIB_H__
#define __LIB_H__
#include <stddef.h>
/*
===============================================================================
idLib contains stateless support classes and concrete types. Some classes
do have static variables, but such variables are initialized once and
read-only after initialization (they do not maintain a modifiable state).
The interface pointers idSys, idCommon, idCVarSystem and idFileSystem
should be set before using idLib. The pointers stored here should not
be used by any part of the engine except for idLib.
===============================================================================
*/
class idLib
{
private:
static bool mainThreadInitialized;
static ID_TLS isMainThread;
public:
static class idSys* sys;
static class idCommon* common;
static class idCVarSystem* cvarSystem;
static class idFileSystem* fileSystem;
static int frameNumber;
static void Init();
static void ShutDown();
// wrapper to idCommon functions
static void Printf( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_STATIC_ATTRIBUTE_PRINTF( 1, 2 );
static void PrintfIf( const bool test, VERIFY_FORMAT_STRING const char* fmt, ... ) ID_STATIC_ATTRIBUTE_PRINTF( 2, 3 );
NO_RETURN static void Error( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_STATIC_ATTRIBUTE_PRINTF( 1, 2 );
NO_RETURN static void FatalError( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_STATIC_ATTRIBUTE_PRINTF( 1, 2 );
static void Warning( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_STATIC_ATTRIBUTE_PRINTF( 1, 2 );
static void WarningIf( const bool test, VERIFY_FORMAT_STRING const char* fmt, ... ) ID_STATIC_ATTRIBUTE_PRINTF( 2, 3 );
// the extra check for mainThreadInitialized is necessary for this to be accurate
// when called by startup code that happens before idLib::Init
static bool IsMainThread()
{
return ( 0 == mainThreadInitialized ) || ( 1 == isMainThread );
}
};
/*
===============================================================================
Types and defines used throughout the engine.
===============================================================================
*/
typedef int qhandle_t;
class idFile;
class idVec3;
class idVec4;
#ifndef NULL
#define NULL ((void *)0)
#endif
#ifndef BIT
#define BIT( num ) ( 1ULL << ( num ) )
#endif
#define MAX_STRING_CHARS 1024 // max length of a string
#define MAX_PRINT_MSG 16384 // buffer size for our various printf routines
// maximum world size
#define MAX_WORLD_COORD ( 128 * 1024 )
#define MIN_WORLD_COORD ( -128 * 1024 )
#define MAX_WORLD_SIZE ( MAX_WORLD_COORD - MIN_WORLD_COORD )
#define SIZE_KB( x ) ( ( (x) + 1023 ) / 1024 )
#define SIZE_MB( x ) ( ( ( SIZE_KB( x ) ) + 1023 ) / 1024 )
#define SIZE_GB( x ) ( ( ( SIZE_MB( x ) ) + 1023 ) / 1024 )
// basic colors
extern idVec4 colorBlack;
extern idVec4 colorWhite;
extern idVec4 colorRed;
extern idVec4 colorGreen;
extern idVec4 colorBlue;
extern idVec4 colorYellow;
extern idVec4 colorMagenta;
extern idVec4 colorCyan;
extern idVec4 colorOrange;
extern idVec4 colorPurple;
extern idVec4 colorPink;
extern idVec4 colorBrown;
extern idVec4 colorLtGrey;
extern idVec4 colorMdGrey;
extern idVec4 colorDkGrey;
// packs color floats in the range [0,1] into an integer
dword PackColor( const idVec3& color );
void UnpackColor( const dword color, idVec3& unpackedColor );
dword PackColor( const idVec4& color );
void UnpackColor( const dword color, idVec4& unpackedColor );
// little/big endian conversion
short BigShort( short l );
short LittleShort( short l );
int BigLong( int l );
int LittleLong( int l );
float BigFloat( float l );
float LittleFloat( float l );
void BigRevBytes( void* bp, int elsize, int elcount );
void LittleRevBytes( void* bp, int elsize, int elcount );
void LittleBitField( void* bp, int elsize );
void Swap_Init();
bool Swap_IsBigEndian();
// for base64
void SixtetsForInt( byte* out, int src );
int IntForSixtets( byte* in );
/*
================================================
idException
================================================
*/
class idException
{
public:
static const int MAX_ERROR_LEN = 2048;
idException( const char* text = "" )
{
strncpy( error, text, MAX_ERROR_LEN );
}
// this really, really should be a const function, but it's referenced too many places to change right now
const char* GetError()
{
return error;
}
protected:
// if GetError() were correctly const this would be named GetError(), too
char* GetErrorBuffer()
{
return error;
}
int GetErrorBufferSize()
{
return MAX_ERROR_LEN;
}
private:
friend class idFatalException;
static char error[MAX_ERROR_LEN];
};
/*
================================================
idFatalException
================================================
*/
class idFatalException
{
public:
static const int MAX_ERROR_LEN = 2048;
idFatalException( const char* text = "" )
{
strncpy( idException::error, text, MAX_ERROR_LEN );
}
// this really, really should be a const function, but it's referenced too many places to change right now
const char* GetError()
{
return idException::error;
}
protected:
// if GetError() were correctly const this would be named GetError(), too
char* GetErrorBuffer()
{
return idException::error;
}
int GetErrorBufferSize()
{
return MAX_ERROR_LEN;
}
};
/*
================================================
idNetworkLoadException
================================================
*/
class idNetworkLoadException : public idException
{
public:
idNetworkLoadException( const char* text = "" ) : idException( text ) { }
};
/*
===============================================================================
idLib headers.
===============================================================================
*/
// System
#include "sys/sys_assert.h"
#include "sys/sys_threading.h"
// memory management and arrays
#include "Heap.h"
#include "containers/Sort.h"
#include "containers/List.h"
// math
#include "math/Simd.h"
#include "math/Math.h"
#include "math/Random.h"
#include "math/Complex.h"
#include "math/Vector.h"
#include "math/VecX.h"
#include "math/VectorI.h"
#include "math/Matrix.h"
#include "math/MatX.h"
#include "math/Angles.h"
#include "math/Quat.h"
#include "math/Rotation.h"
#include "math/Plane.h"
#include "math/Pluecker.h"
#include "math/Polynomial.h"
#include "math/Extrapolate.h"
#include "math/Interpolate.h"
#include "math/Curve.h"
#include "math/Ode.h"
#include "math/Lcp.h"
// bounding volumes
#include "bv/Sphere.h"
#include "bv/Bounds.h"
#include "bv/Box.h"
// geometry
#include "geometry/RenderMatrix.h"
#include "geometry/JointTransform.h"
#include "geometry/DrawVert.h"
#include "geometry/Winding.h"
#include "geometry/Winding2D.h"
#include "geometry/Surface.h"
#include "geometry/Surface_Patch.h"
#include "geometry/Surface_Polytope.h"
#include "geometry/Surface_SweptSpline.h"
#include "geometry/TraceModel.h"
// text manipulation
#include "Str.h"
#include "StrStatic.h"
#include "Token.h"
#include "Lexer.h"
#include "Parser.h"
#include "Base64.h"
#include "CmdArgs.h"
// containers
#include "containers/Array.h"
#include "containers/BTree.h"
#include "containers/BinSearch.h"
#include "containers/HashIndex.h"
#include "containers/HashTable.h"
#include "containers/StaticList.h"
#include "containers/LinkList.h"
#include "containers/Hierarchy.h"
#include "containers/Queue.h"
#include "containers/Stack.h"
#include "containers/StrList.h"
#include "containers/StrPool.h"
#include "containers/VectorSet.h"
#include "containers/PlaneSet.h"
// hashing
#include "hashing/CRC32.h"
#include "hashing/MD4.h"
#include "hashing/MD5.h"
// misc
#include "Dict.h"
#include "LangDict.h"
#include "DataQueue.h"
#include "BitMsg.h"
#include "MapFile.h"
#include "Timer.h"
#include "Thread.h"
#include "Swap.h"
#include "Callback.h"
#include "ParallelJobList.h"
#include "SoftwareCache.h"
#endif /* !__LIB_H__ */
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