561 lines
12 KiB
C++
561 lines
12 KiB
C++
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#include "precompiled.h"
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#pragma hdrstop
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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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/*
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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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// initialize little/big endian conversion
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Swap_Init();
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// initialize memory manager
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Mem_Init();
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// RAVEN BEGIN
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// dluetscher: added the following code to initialize each of the memory heaps immediately
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// following Mem_Init()
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#ifdef _RV_MEM_SYS_SUPPORT
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// initialize each of the memory heaps
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common->InitHeaps();
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#endif
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// RAVEN END
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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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// RAVEN BEGIN
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// jsinger: There is no reason for us to be doing this on the Xenon
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#ifndef _XENON
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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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#endif
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// RAVEN END
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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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// RAVEN BEGIN
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// dluetscher: added the following code to shutdown each of the memory heaps immediately
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// before Mem_Shutdown()
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#ifdef _RV_MEM_SYS_SUPPORT
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// shutdown each of the memory heaps
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common->ShutdownHeaps();
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#endif
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// RAVEN END
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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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// RAVEN BEGIN
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// jnewquist: Big endian support
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#ifdef _LITTLE_ENDIAN
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return ( dx << 0 ) | ( dy << 8 ) | ( dz << 16 ) | ( dw << 24 );
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#else
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return ( dx << 24 ) | ( dy << 16 ) | ( dz << 8 ) | ( dw << 0 );
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#endif
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// RAVEN END
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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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// RAVEN BEGIN
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// jnewquist: Xenon is big endian
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#ifdef _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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#else
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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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#endif
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// RAVEN END
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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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// RAVEN BEGIN
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// jnewquist: Xenon is big endian
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#ifdef _LITTLE_ENDIAN
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return ( dx << 0 ) | ( dy << 8 ) | ( dz << 16 );
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#else
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return ( dy << 16 ) | ( dz << 8 ) | ( dx << 0 );
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#endif
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// RAVEN END
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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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// RAVEN BEGIN
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// jnewquist: Xenon is big endian
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#ifdef _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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#else
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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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#endif
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// RAVEN END
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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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// can't just use function pointers, or dll linkage can mess up
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static short (*_BigShort)( short l );
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static short (*_LittleShort)( short l );
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static int (*_BigLong)( int l );
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static int (*_LittleLong)( int l );
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static float (*_BigFloat)( float l );
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static float (*_LittleFloat)( float l );
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static void (*_BigRevBytes)( void *bp, int elsize, int elcount );
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static void (*_LittleRevBytes)( void *bp, int elsize, int elcount );
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static void (*_SixtetsForInt)( byte *out, int src );
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static int (*_IntForSixtets)( byte *in );
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#ifdef _LITTLE_ENDIAN
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short LittleShort( short l ) { return l; }
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int LittleLong( int l ) { return l; }
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float LittleFloat( float l ) { return l; }
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void LittleRevBytes( void *bp, int elsize, int elcount ) {}
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short BigShort( short l ) { return _BigShort( l ); }
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int BigLong( int l ) { return _BigLong( l ); }
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float BigFloat( float l ) { return _BigFloat( l ); }
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void BigRevBytes( void *bp, int elsize, int elcount ) { _BigRevBytes( bp, elsize, elcount ); }
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#else
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short LittleShort( short l ) { return _LittleShort( l ); }
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int LittleLong( int l ) { return _LittleLong( l ); }
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float LittleFloat( float l ) { return _LittleFloat( l ); }
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void LittleRevBytes( void *bp, int elsize, int elcount ) { _LittleRevBytes( bp, elsize, elcount ); }
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short BigShort( short l ) { return l; }
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int BigLong( int l ) { return l; }
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float BigFloat( float l ) { return l; }
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void BigRevBytes( void *bp, int elsize, int elcount ) {}
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#endif
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void SixtetsForInt( byte *out, int src) { _SixtetsForInt( out, src ); }
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int IntForSixtets( byte *in ) { return _IntForSixtets( in ); }
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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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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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ShortNoSwap
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================
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*/
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short ShortNoSwap( short l ) {
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return l;
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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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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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LongNoSwap
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================
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*/
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int LongNoSwap( int l ) {
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return l;
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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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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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FloatNoSwap
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================
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*/
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float FloatNoSwap( float f ) {
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return 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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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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RevBytesNoSwap
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================
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*/
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void RevBytesNoSwap( void *bp, int elsize, int elcount ) {
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return;
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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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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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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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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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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_Init
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================
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*/
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void Swap_Init( void ) {
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byte swaptest[2] = {1,0};
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// set the byte swapping variables in a portable manner
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if ( *(short *)swaptest == 1) {
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// little endian ex: x86
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_BigShort = ShortSwap;
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_LittleShort = ShortNoSwap;
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_BigLong = LongSwap;
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_LittleLong = LongNoSwap;
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_BigFloat = FloatSwap;
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_LittleFloat = FloatNoSwap;
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_BigRevBytes = RevBytesSwap;
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_LittleRevBytes = RevBytesNoSwap;
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_SixtetsForInt = SixtetsForIntLittle;
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_IntForSixtets = IntForSixtetsLittle;
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} else {
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// big endian ex: ppc
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_BigShort = ShortNoSwap;
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_LittleShort = ShortSwap;
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_BigLong = LongNoSwap;
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_LittleLong = LongSwap;
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_BigFloat = FloatNoSwap;
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_LittleFloat = FloatSwap;
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_BigRevBytes = RevBytesNoSwap;
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_LittleRevBytes = RevBytesSwap;
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_SixtetsForInt = SixtetsForIntBig;
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_IntForSixtets = IntForSixtetsBig;
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}
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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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byte swaptest[2] = {1,0};
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return *(short *)swaptest != 1;
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}
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/*
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===============================================================================
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Assertion
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===============================================================================
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*/
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void AssertFailed( const char *file, int line, const char *expression ) {
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if ( idLib::sys ) {
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idLib::sys->DebugPrintf( "\n\nASSERTION FAILED!\n%s(%d): '%s'\n", file, line, expression );
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}
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#ifdef _WIN32
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// RAVEN BEGIN
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// jnewquist: Visual Studio platform independent breakpoint
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__debugbreak();
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// RAVEN END
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#elif defined( __linux__ )
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__asm__ __volatile__ ("int $0x03");
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#elif defined( MACOS_X )
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kill( getpid(), SIGINT );
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#endif
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}
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