mirror of
https://github.com/dhewm/dhewm3.git
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736ec20d4d
Don't include the lazy precompiled.h everywhere, only what's required for the compilation unit. platform.h needs to be included instead to provide all essential defines and types. All includes use the relative path to the neo or the game specific root. Move all idlib related includes from idlib/Lib.h to precompiled.h. precompiled.h still exists for the MFC stuff in tools/. Add some missing header guards.
598 lines
13 KiB
C++
598 lines
13 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 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 Source Code. If not, please request a copy in writing from id Software at the address below.
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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.
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===========================================================================
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*/
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#if defined( MACOS_X )
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#include <signal.h>
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#include <sys/types.h>
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#include <unistd.h>
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#endif
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#include "sys/platform.h"
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#include "idlib/math/Vector.h"
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#include "idlib/math/Polynomial.h"
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#include "idlib/Str.h"
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#include "idlib/Dict.h"
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#include "framework/Common.h"
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#include "idlib/Lib.h"
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/*
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===============================================================================
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idLib
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===============================================================================
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*/
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idSys * idLib::sys = NULL;
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idCommon * idLib::common = NULL;
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idCVarSystem * idLib::cvarSystem = NULL;
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idFileSystem * idLib::fileSystem = NULL;
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int idLib::frameNumber = 0;
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/*
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================
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idLib::Init
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================
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*/
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void idLib::Init( void ) {
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assert( sizeof( bool ) == 1 );
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// assumptions from the scripting compiler/interpreter
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assert( sizeof( float ) == sizeof( int ) );
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assert( sizeof( idVec3 ) == sizeof( float ) * 3 );
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// initialize memory manager
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Mem_Init();
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// init string memory allocator
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idStr::InitMemory();
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// initialize generic SIMD implementation
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idSIMD::Init();
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// initialize math
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idMath::Init();
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// test idMatX
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//idMatX::Test();
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// test idPolynomial
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idPolynomial::Test();
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// initialize the dictionary string pools
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idDict::Init();
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}
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/*
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================
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idLib::ShutDown
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================
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*/
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void idLib::ShutDown( void ) {
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// shut down the dictionary string pools
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idDict::Shutdown();
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// shut down the string memory allocator
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idStr::ShutdownMemory();
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// shut down the SIMD engine
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idSIMD::Shutdown();
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// shut down the memory manager
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Mem_Shutdown();
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}
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/*
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===============================================================================
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Colors
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===============================================================================
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*/
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idVec4 colorBlack = idVec4( 0.00f, 0.00f, 0.00f, 1.00f );
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idVec4 colorWhite = idVec4( 1.00f, 1.00f, 1.00f, 1.00f );
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idVec4 colorRed = idVec4( 1.00f, 0.00f, 0.00f, 1.00f );
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idVec4 colorGreen = idVec4( 0.00f, 1.00f, 0.00f, 1.00f );
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idVec4 colorBlue = idVec4( 0.00f, 0.00f, 1.00f, 1.00f );
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idVec4 colorYellow = idVec4( 1.00f, 1.00f, 0.00f, 1.00f );
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idVec4 colorMagenta= idVec4( 1.00f, 0.00f, 1.00f, 1.00f );
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idVec4 colorCyan = idVec4( 0.00f, 1.00f, 1.00f, 1.00f );
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idVec4 colorOrange = idVec4( 1.00f, 0.50f, 0.00f, 1.00f );
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idVec4 colorPurple = idVec4( 0.60f, 0.00f, 0.60f, 1.00f );
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idVec4 colorPink = idVec4( 0.73f, 0.40f, 0.48f, 1.00f );
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idVec4 colorBrown = idVec4( 0.40f, 0.35f, 0.08f, 1.00f );
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idVec4 colorLtGrey = idVec4( 0.75f, 0.75f, 0.75f, 1.00f );
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idVec4 colorMdGrey = idVec4( 0.50f, 0.50f, 0.50f, 1.00f );
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idVec4 colorDkGrey = idVec4( 0.25f, 0.25f, 0.25f, 1.00f );
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static dword colorMask[2] = { 255, 0 };
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/*
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================
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ColorFloatToByte
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================
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*/
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ID_INLINE static byte ColorFloatToByte( float c ) {
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return (byte) ( ( (dword) ( c * 255.0f ) ) & colorMask[FLOATSIGNBITSET(c)] );
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}
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/*
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================
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PackColor
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================
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*/
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dword PackColor( const idVec4 &color ) {
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dword dw, dx, dy, dz;
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dx = ColorFloatToByte( color.x );
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dy = ColorFloatToByte( color.y );
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dz = ColorFloatToByte( color.z );
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dw = ColorFloatToByte( color.w );
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#if defined(ID_LITTLE_ENDIAN)
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return ( dx << 0 ) | ( dy << 8 ) | ( dz << 16 ) | ( dw << 24 );
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#elif defined(ID_BIG_ENDIAN)
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return ( dx << 24 ) | ( dy << 16 ) | ( dz << 8 ) | ( dw << 0 );
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#else
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#error unknown endianness!
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#endif
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}
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/*
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================
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UnpackColor
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================
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*/
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void UnpackColor( const dword color, idVec4 &unpackedColor ) {
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#if defined(ID_LITTLE_ENDIAN)
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unpackedColor.Set( ( ( color >> 0 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 8 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 16 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 24 ) & 255 ) * ( 1.0f / 255.0f ) );
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#elif defined(ID_BIG_ENDIAN)
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unpackedColor.Set( ( ( color >> 24 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 16 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 8 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 0 ) & 255 ) * ( 1.0f / 255.0f ) );
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#else
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#error unknown endianness!
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#endif
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}
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/*
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================
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PackColor
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================
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*/
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dword PackColor( const idVec3 &color ) {
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dword dx, dy, dz;
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dx = ColorFloatToByte( color.x );
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dy = ColorFloatToByte( color.y );
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dz = ColorFloatToByte( color.z );
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#if defined(ID_LITTLE_ENDIAN)
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return ( dx << 0 ) | ( dy << 8 ) | ( dz << 16 );
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#elif defined(ID_BIG_ENDIAN)
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return ( dy << 16 ) | ( dz << 8 ) | ( dx << 0 );
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#else
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#error unknown endianness!
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#endif
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}
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/*
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================
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UnpackColor
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================
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*/
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void UnpackColor( const dword color, idVec3 &unpackedColor ) {
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#if defined(ID_LITTLE_ENDIAN)
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unpackedColor.Set( ( ( color >> 0 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 8 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 16 ) & 255 ) * ( 1.0f / 255.0f ) );
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#elif defined(ID_BIG_ENDIAN)
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unpackedColor.Set( ( ( color >> 16 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 8 ) & 255 ) * ( 1.0f / 255.0f ),
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( ( color >> 0 ) & 255 ) * ( 1.0f / 255.0f ) );
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#else
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#error unknown endianness!
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#endif
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}
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/*
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===============
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idLib::Error
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===============
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*/
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void idLib::Error( const char *fmt, ... ) {
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va_list argptr;
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char text[MAX_STRING_CHARS];
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va_start( argptr, fmt );
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idStr::vsnPrintf( text, sizeof( text ), fmt, argptr );
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va_end( argptr );
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common->Error( "%s", text );
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}
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/*
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===============
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idLib::Warning
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===============
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*/
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void idLib::Warning( const char *fmt, ... ) {
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va_list argptr;
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char text[MAX_STRING_CHARS];
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va_start( argptr, fmt );
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idStr::vsnPrintf( text, sizeof( text ), fmt, argptr );
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va_end( argptr );
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common->Warning( "%s", text );
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}
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/*
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===============================================================================
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Byte order functions
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===============================================================================
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*/
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/*
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================
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ShortSwap
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================
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*/
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ID_INLINE static short ShortSwap( short l ) {
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byte b1,b2;
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b1 = l&255;
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b2 = (l>>8)&255;
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return (b1<<8) + b2;
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}
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/*
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================
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LongSwap
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================
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*/
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ID_INLINE static int LongSwap ( int l ) {
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byte b1,b2,b3,b4;
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b1 = l&255;
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b2 = (l>>8)&255;
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b3 = (l>>16)&255;
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b4 = (l>>24)&255;
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return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
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}
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/*
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================
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FloatSwap
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================
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*/
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ID_INLINE static float FloatSwap( float f ) {
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union {
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float f;
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byte b[4];
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} dat1, dat2;
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dat1.f = f;
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dat2.b[0] = dat1.b[3];
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dat2.b[1] = dat1.b[2];
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dat2.b[2] = dat1.b[1];
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dat2.b[3] = dat1.b[0];
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return dat2.f;
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}
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/*
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=====================================================================
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RevBytesSwap
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Reverses byte order in place.
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INPUTS
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bp bytes to reverse
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elsize size of the underlying data type
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elcount number of elements to swap
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RESULTS
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Reverses the byte order in each of elcount elements.
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===================================================================== */
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ID_INLINE static void RevBytesSwap( void *bp, int elsize, int elcount ) {
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register unsigned char *p, *q;
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p = ( unsigned char * ) bp;
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if ( elsize == 2 ) {
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q = p + 1;
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while ( elcount-- ) {
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*p ^= *q;
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*q ^= *p;
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*p ^= *q;
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p += 2;
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q += 2;
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}
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return;
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}
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while ( elcount-- ) {
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q = p + elsize - 1;
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while ( p < q ) {
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*p ^= *q;
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*q ^= *p;
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*p ^= *q;
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++p;
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--q;
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}
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p += elsize >> 1;
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}
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}
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/*
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=====================================================================
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RevBytesSwap
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Reverses byte order in place, then reverses bits in those bytes
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INPUTS
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bp bitfield structure to reverse
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elsize size of the underlying data type
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RESULTS
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Reverses the bitfield of size elsize.
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===================================================================== */
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ID_INLINE static void RevBitFieldSwap( void *bp, int elsize) {
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int i;
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unsigned char *p, t, v;
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LittleRevBytes( bp, elsize, 1 );
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p = (unsigned char *) bp;
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while ( elsize-- ) {
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v = *p;
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t = 0;
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for (i = 7; i; i--) {
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t <<= 1;
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v >>= 1;
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t |= v & 1;
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}
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*p++ = t;
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}
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}
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/*
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================
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SixtetsForIntLittle
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================
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*/
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ID_INLINE static void SixtetsForIntLittle( byte *out, int src) {
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byte *b = (byte *)&src;
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out[0] = ( b[0] & 0xfc ) >> 2;
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out[1] = ( ( b[0] & 0x3 ) << 4 ) + ( ( b[1] & 0xf0 ) >> 4 );
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out[2] = ( ( b[1] & 0xf ) << 2 ) + ( ( b[2] & 0xc0 ) >> 6 );
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out[3] = b[2] & 0x3f;
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}
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/*
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================
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SixtetsForIntBig
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TTimo: untested - that's the version from initial base64 encode
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================
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*/
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ID_INLINE static void SixtetsForIntBig( byte *out, int src) {
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for( int i = 0 ; i < 4 ; i++ ) {
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out[i] = src & 0x3f;
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src >>= 6;
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}
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}
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/*
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================
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IntForSixtetsLittle
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================
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*/
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ID_INLINE static int IntForSixtetsLittle( byte *in ) {
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int ret = 0;
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byte *b = (byte *)&ret;
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b[0] |= in[0] << 2;
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b[0] |= ( in[1] & 0x30 ) >> 4;
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b[1] |= ( in[1] & 0xf ) << 4;
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b[1] |= ( in[2] & 0x3c ) >> 2;
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b[2] |= ( in[2] & 0x3 ) << 6;
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b[2] |= in[3];
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return ret;
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}
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/*
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================
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IntForSixtetsBig
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TTimo: untested - that's the version from initial base64 decode
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================
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*/
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ID_INLINE static int IntForSixtetsBig( byte *in ) {
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int ret = 0;
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ret |= in[0];
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ret |= in[1] << 6;
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ret |= in[2] << 2*6;
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ret |= in[3] << 3*6;
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return ret;
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}
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/*
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==========
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Swap_IsBigEndian
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==========
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*/
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bool Swap_IsBigEndian( void ) {
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#if defined(ID_LITTLE_ENDIAN)
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return false;
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#elif defined(ID_BIG_ENDIAN)
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return true;
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#else
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#error unknown endianness!
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#endif
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}
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short BigShort( short l ) {
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#if defined(ID_LITTLE_ENDIAN)
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return ShortSwap(l);
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#elif defined(ID_BIG_ENDIAN)
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return l;
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#else
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#error unknown endianness!
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#endif
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}
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short LittleShort( short l ) {
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#if defined(ID_LITTLE_ENDIAN)
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return l;
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#elif defined(ID_BIG_ENDIAN)
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return ShortSwap(l);
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#else
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#error unknown endianness!
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#endif
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}
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int BigLong( int l ) {
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#if defined(ID_LITTLE_ENDIAN)
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return LongSwap(l);
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#elif defined(ID_BIG_ENDIAN)
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return l;
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#else
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#error unknown endianness!
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#endif
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}
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int LittleLong( int l ) {
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#if defined(ID_LITTLE_ENDIAN)
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return l;
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#elif defined(ID_BIG_ENDIAN)
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return LongSwap(l);
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#else
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#error unknown endianness!
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#endif
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}
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float BigFloat( float l ) {
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#if defined(ID_LITTLE_ENDIAN)
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return FloatSwap(l);
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#elif defined(ID_BIG_ENDIAN)
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return l;
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#else
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#error unknown endianness!
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#endif
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}
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float LittleFloat( float l ) {
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#if defined(ID_LITTLE_ENDIAN)
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return l;
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#elif defined(ID_BIG_ENDIAN)
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return FloatSwap(l);
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#else
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#error unknown endianness!
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#endif
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}
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void BigRevBytes( void *bp, int elsize, int elcount ) {
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#if defined(ID_LITTLE_ENDIAN)
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RevBytesSwap(bp, elsize, elcount);
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#elif defined(ID_BIG_ENDIAN)
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return;
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#else
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#error unknown endianness!
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#endif
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}
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void LittleRevBytes( void *bp, int elsize, int elcount ){
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#if defined(ID_LITTLE_ENDIAN)
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return;
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#elif defined(ID_BIG_ENDIAN)
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RevBytesSwap(bp, elsize, elcount);
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#else
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#error unknown endianness!
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#endif
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}
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void LittleBitField( void *bp, int elsize ){
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#if defined(ID_LITTLE_ENDIAN)
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return;
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|
#elif defined(ID_BIG_ENDIAN)
|
|
RevBitFieldSwap(bp, elsize);
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
void SixtetsForInt( byte *out, int src) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
SixtetsForIntLittle(out, src);
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
SixtetsForIntBig(out, src);
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
int IntForSixtets( byte *in ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return IntForSixtetsLittle(in);
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return IntForSixtetsBig(in);
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
Assertion
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
void AssertFailed( const char *file, int line, const char *expression ) {
|
|
idLib::sys->DebugPrintf( "\n\nASSERTION FAILED!\n%s(%d): '%s'\n", file, line, expression );
|
|
#ifdef _MSC_VER
|
|
__asm int 0x03
|
|
#elif defined( __GNUC__ )
|
|
__builtin_trap();
|
|
#else
|
|
#error dont know how to crash :P
|
|
#endif
|
|
}
|