mirror of
https://github.com/dhewm/dhewm3-sdk.git
synced 2024-11-22 12:41:48 +00:00
592 lines
13 KiB
C++
592 lines
13 KiB
C++
/*
|
|
===========================================================================
|
|
|
|
Doom 3 GPL Source Code
|
|
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
|
|
|
|
This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
|
|
|
|
Doom 3 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 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 Source Code. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
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.
|
|
|
|
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.
|
|
|
|
===========================================================================
|
|
*/
|
|
|
|
#include "precompiled.h"
|
|
#pragma hdrstop
|
|
|
|
#if defined( MACOS_X )
|
|
#include <signal.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
idLib
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
idSys * idLib::sys = NULL;
|
|
idCommon * idLib::common = NULL;
|
|
idCVarSystem * idLib::cvarSystem = NULL;
|
|
idFileSystem * idLib::fileSystem = NULL;
|
|
int idLib::frameNumber = 0;
|
|
|
|
/*
|
|
================
|
|
idLib::Init
|
|
================
|
|
*/
|
|
void idLib::Init( void ) {
|
|
|
|
assert( sizeof( bool ) == 1 );
|
|
|
|
// assumptions from the scripting compiler/interpreter
|
|
assert( sizeof( float ) == sizeof( int ) );
|
|
assert( sizeof( idVec3 ) == sizeof( float ) * 3 );
|
|
|
|
// initialize memory manager
|
|
Mem_Init();
|
|
|
|
// init string memory allocator
|
|
idStr::InitMemory();
|
|
|
|
// initialize generic SIMD implementation
|
|
idSIMD::Init();
|
|
|
|
// initialize math
|
|
idMath::Init();
|
|
|
|
// test idMatX
|
|
//idMatX::Test();
|
|
|
|
// test idPolynomial
|
|
idPolynomial::Test();
|
|
|
|
// initialize the dictionary string pools
|
|
idDict::Init();
|
|
}
|
|
|
|
/*
|
|
================
|
|
idLib::ShutDown
|
|
================
|
|
*/
|
|
void idLib::ShutDown( void ) {
|
|
|
|
// shut down the dictionary string pools
|
|
idDict::Shutdown();
|
|
|
|
// shut down the string memory allocator
|
|
idStr::ShutdownMemory();
|
|
|
|
// shut down the SIMD engine
|
|
idSIMD::Shutdown();
|
|
|
|
// shut down the memory manager
|
|
Mem_Shutdown();
|
|
}
|
|
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
Colors
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
idVec4 colorBlack = idVec4( 0.00f, 0.00f, 0.00f, 1.00f );
|
|
idVec4 colorWhite = idVec4( 1.00f, 1.00f, 1.00f, 1.00f );
|
|
idVec4 colorRed = idVec4( 1.00f, 0.00f, 0.00f, 1.00f );
|
|
idVec4 colorGreen = idVec4( 0.00f, 1.00f, 0.00f, 1.00f );
|
|
idVec4 colorBlue = idVec4( 0.00f, 0.00f, 1.00f, 1.00f );
|
|
idVec4 colorYellow = idVec4( 1.00f, 1.00f, 0.00f, 1.00f );
|
|
idVec4 colorMagenta= idVec4( 1.00f, 0.00f, 1.00f, 1.00f );
|
|
idVec4 colorCyan = idVec4( 0.00f, 1.00f, 1.00f, 1.00f );
|
|
idVec4 colorOrange = idVec4( 1.00f, 0.50f, 0.00f, 1.00f );
|
|
idVec4 colorPurple = idVec4( 0.60f, 0.00f, 0.60f, 1.00f );
|
|
idVec4 colorPink = idVec4( 0.73f, 0.40f, 0.48f, 1.00f );
|
|
idVec4 colorBrown = idVec4( 0.40f, 0.35f, 0.08f, 1.00f );
|
|
idVec4 colorLtGrey = idVec4( 0.75f, 0.75f, 0.75f, 1.00f );
|
|
idVec4 colorMdGrey = idVec4( 0.50f, 0.50f, 0.50f, 1.00f );
|
|
idVec4 colorDkGrey = idVec4( 0.25f, 0.25f, 0.25f, 1.00f );
|
|
|
|
static dword colorMask[2] = { 255, 0 };
|
|
|
|
/*
|
|
================
|
|
ColorFloatToByte
|
|
================
|
|
*/
|
|
ID_INLINE static byte ColorFloatToByte( float c ) {
|
|
return (byte) ( ( (dword) ( c * 255.0f ) ) & colorMask[FLOATSIGNBITSET(c)] );
|
|
}
|
|
|
|
/*
|
|
================
|
|
PackColor
|
|
================
|
|
*/
|
|
dword PackColor( const idVec4 &color ) {
|
|
dword dw, dx, dy, dz;
|
|
|
|
dx = ColorFloatToByte( color.x );
|
|
dy = ColorFloatToByte( color.y );
|
|
dz = ColorFloatToByte( color.z );
|
|
dw = ColorFloatToByte( color.w );
|
|
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return ( dx << 0 ) | ( dy << 8 ) | ( dz << 16 ) | ( dw << 24 );
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return ( dx << 24 ) | ( dy << 16 ) | ( dz << 8 ) | ( dw << 0 );
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
================
|
|
UnpackColor
|
|
================
|
|
*/
|
|
void UnpackColor( const dword color, idVec4 &unpackedColor ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
unpackedColor.Set( ( ( color >> 0 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 8 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 16 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 24 ) & 255 ) * ( 1.0f / 255.0f ) );
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
unpackedColor.Set( ( ( color >> 24 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 16 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 8 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 0 ) & 255 ) * ( 1.0f / 255.0f ) );
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
================
|
|
PackColor
|
|
================
|
|
*/
|
|
dword PackColor( const idVec3 &color ) {
|
|
dword dx, dy, dz;
|
|
|
|
dx = ColorFloatToByte( color.x );
|
|
dy = ColorFloatToByte( color.y );
|
|
dz = ColorFloatToByte( color.z );
|
|
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return ( dx << 0 ) | ( dy << 8 ) | ( dz << 16 );
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return ( dy << 16 ) | ( dz << 8 ) | ( dx << 0 );
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
================
|
|
UnpackColor
|
|
================
|
|
*/
|
|
void UnpackColor( const dword color, idVec3 &unpackedColor ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
unpackedColor.Set( ( ( color >> 0 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 8 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 16 ) & 255 ) * ( 1.0f / 255.0f ) );
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
unpackedColor.Set( ( ( color >> 16 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 8 ) & 255 ) * ( 1.0f / 255.0f ),
|
|
( ( color >> 0 ) & 255 ) * ( 1.0f / 255.0f ) );
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idLib::Error
|
|
===============
|
|
*/
|
|
void idLib::Error( const char *fmt, ... ) {
|
|
va_list argptr;
|
|
char text[MAX_STRING_CHARS];
|
|
|
|
va_start( argptr, fmt );
|
|
idStr::vsnPrintf( text, sizeof( text ), fmt, argptr );
|
|
va_end( argptr );
|
|
|
|
common->Error( "%s", text );
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idLib::Warning
|
|
===============
|
|
*/
|
|
void idLib::Warning( const char *fmt, ... ) {
|
|
va_list argptr;
|
|
char text[MAX_STRING_CHARS];
|
|
|
|
va_start( argptr, fmt );
|
|
idStr::vsnPrintf( text, sizeof( text ), fmt, argptr );
|
|
va_end( argptr );
|
|
|
|
common->Warning( "%s", text );
|
|
}
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
Byte order functions
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
/*
|
|
================
|
|
ShortSwap
|
|
================
|
|
*/
|
|
ID_INLINE static short ShortSwap( short l ) {
|
|
byte b1,b2;
|
|
|
|
b1 = l&255;
|
|
b2 = (l>>8)&255;
|
|
|
|
return (b1<<8) + b2;
|
|
}
|
|
|
|
/*
|
|
================
|
|
LongSwap
|
|
================
|
|
*/
|
|
ID_INLINE static int LongSwap ( int l ) {
|
|
byte b1,b2,b3,b4;
|
|
|
|
b1 = l&255;
|
|
b2 = (l>>8)&255;
|
|
b3 = (l>>16)&255;
|
|
b4 = (l>>24)&255;
|
|
|
|
return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
|
|
}
|
|
|
|
/*
|
|
================
|
|
FloatSwap
|
|
================
|
|
*/
|
|
ID_INLINE static float FloatSwap( float f ) {
|
|
union {
|
|
float f;
|
|
byte b[4];
|
|
} dat1, dat2;
|
|
|
|
|
|
dat1.f = f;
|
|
dat2.b[0] = dat1.b[3];
|
|
dat2.b[1] = dat1.b[2];
|
|
dat2.b[2] = dat1.b[1];
|
|
dat2.b[3] = dat1.b[0];
|
|
return dat2.f;
|
|
}
|
|
|
|
/*
|
|
=====================================================================
|
|
RevBytesSwap
|
|
|
|
Reverses byte order in place.
|
|
|
|
INPUTS
|
|
bp bytes to reverse
|
|
elsize size of the underlying data type
|
|
elcount number of elements to swap
|
|
|
|
RESULTS
|
|
Reverses the byte order in each of elcount elements.
|
|
===================================================================== */
|
|
ID_INLINE static void RevBytesSwap( void *bp, int elsize, int elcount ) {
|
|
register unsigned char *p, *q;
|
|
|
|
p = ( unsigned char * ) bp;
|
|
|
|
if ( elsize == 2 ) {
|
|
q = p + 1;
|
|
while ( elcount-- ) {
|
|
*p ^= *q;
|
|
*q ^= *p;
|
|
*p ^= *q;
|
|
p += 2;
|
|
q += 2;
|
|
}
|
|
return;
|
|
}
|
|
|
|
while ( elcount-- ) {
|
|
q = p + elsize - 1;
|
|
while ( p < q ) {
|
|
*p ^= *q;
|
|
*q ^= *p;
|
|
*p ^= *q;
|
|
++p;
|
|
--q;
|
|
}
|
|
p += elsize >> 1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
=====================================================================
|
|
RevBytesSwap
|
|
|
|
Reverses byte order in place, then reverses bits in those bytes
|
|
|
|
INPUTS
|
|
bp bitfield structure to reverse
|
|
elsize size of the underlying data type
|
|
|
|
RESULTS
|
|
Reverses the bitfield of size elsize.
|
|
===================================================================== */
|
|
ID_INLINE static void RevBitFieldSwap( void *bp, int elsize) {
|
|
int i;
|
|
unsigned char *p, t, v;
|
|
|
|
LittleRevBytes( bp, elsize, 1 );
|
|
|
|
p = (unsigned char *) bp;
|
|
while ( elsize-- ) {
|
|
v = *p;
|
|
t = 0;
|
|
for (i = 7; i; i--) {
|
|
t <<= 1;
|
|
v >>= 1;
|
|
t |= v & 1;
|
|
}
|
|
*p++ = t;
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
SixtetsForIntLittle
|
|
================
|
|
*/
|
|
ID_INLINE static void SixtetsForIntLittle( byte *out, int src) {
|
|
byte *b = (byte *)&src;
|
|
out[0] = ( b[0] & 0xfc ) >> 2;
|
|
out[1] = ( ( b[0] & 0x3 ) << 4 ) + ( ( b[1] & 0xf0 ) >> 4 );
|
|
out[2] = ( ( b[1] & 0xf ) << 2 ) + ( ( b[2] & 0xc0 ) >> 6 );
|
|
out[3] = b[2] & 0x3f;
|
|
}
|
|
|
|
/*
|
|
================
|
|
SixtetsForIntBig
|
|
TTimo: untested - that's the version from initial base64 encode
|
|
================
|
|
*/
|
|
ID_INLINE static void SixtetsForIntBig( byte *out, int src) {
|
|
for( int i = 0 ; i < 4 ; i++ ) {
|
|
out[i] = src & 0x3f;
|
|
src >>= 6;
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
IntForSixtetsLittle
|
|
================
|
|
*/
|
|
ID_INLINE static int IntForSixtetsLittle( byte *in ) {
|
|
int ret = 0;
|
|
byte *b = (byte *)&ret;
|
|
b[0] |= in[0] << 2;
|
|
b[0] |= ( in[1] & 0x30 ) >> 4;
|
|
b[1] |= ( in[1] & 0xf ) << 4;
|
|
b[1] |= ( in[2] & 0x3c ) >> 2;
|
|
b[2] |= ( in[2] & 0x3 ) << 6;
|
|
b[2] |= in[3];
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
================
|
|
IntForSixtetsBig
|
|
TTimo: untested - that's the version from initial base64 decode
|
|
================
|
|
*/
|
|
ID_INLINE static int IntForSixtetsBig( byte *in ) {
|
|
int ret = 0;
|
|
ret |= in[0];
|
|
ret |= in[1] << 6;
|
|
ret |= in[2] << 2*6;
|
|
ret |= in[3] << 3*6;
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
==========
|
|
Swap_IsBigEndian
|
|
==========
|
|
*/
|
|
bool Swap_IsBigEndian( void ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return false;
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return true;
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
short BigShort( short l ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return ShortSwap(l);
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return l;
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
short LittleShort( short l ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return l;
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return ShortSwap(l);
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
int BigLong( int l ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return LongSwap(l);
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return l;
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
int LittleLong( int l ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return l;
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return LongSwap(l);
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
float BigFloat( float l ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return FloatSwap(l);
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return l;
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
float LittleFloat( float l ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return l;
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return FloatSwap(l);
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
void BigRevBytes( void *bp, int elsize, int elcount ) {
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
RevBytesSwap(bp, elsize, elcount);
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
return;
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
void LittleRevBytes( void *bp, int elsize, int elcount ){
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return;
|
|
#elif defined(ID_BIG_ENDIAN)
|
|
RevBytesSwap(bp, elsize, elcount);
|
|
#else
|
|
#error unknown endianness!
|
|
#endif
|
|
}
|
|
|
|
void LittleBitField( void *bp, int elsize ){
|
|
#if defined(ID_LITTLE_ENDIAN)
|
|
return;
|
|
#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
|
|
}
|