//========= Copyright 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#ifndef COMMONMACROS_H
#define COMMONMACROS_H
#ifdef _WIN32
#pragma once
#endif
// -------------------------------------------------------
//
// commonmacros.h
//
// This should contain ONLY general purpose macros that are
// appropriate for use in engine/launcher/all tools
//
// -------------------------------------------------------
// Makes a 4-byte "packed ID" int out of 4 characters
#define MAKEID(d,c,b,a) ( ((int)(a) << 24) | ((int)(b) << 16) | ((int)(c) << 8) | ((int)(d)) )
// Compares a string with a 4-byte packed ID constant
#define STRING_MATCHES_ID( p, id ) ( (*((int *)(p)) == (id) ) ? true : false )
#define ID_TO_STRING( id, p ) ( (p)[3] = (((id)>>24) & 0xFF), (p)[2] = (((id)>>16) & 0xFF), (p)[1] = (((id)>>8) & 0xFF), (p)[0] = (((id)>>0) & 0xFF) )
#ifdef ARRAYSIZE
#undef ARRAYSIZE
#endif
#define ARRAYSIZE(p) (sizeof(p)/sizeof(p[0]))
#define SETBITS(iBitVector, bits) ((iBitVector) |= (bits))
#define CLEARBITS(iBitVector, bits) ((iBitVector) &= ~(bits))
#define FBitSet(iBitVector, bit) ((iBitVector) & (bit))
inline bool IsPowerOfTwo( int value )
{
return (value & ( value - 1 )) == 0;
}
#endif // COMMONMACROS_H
# |
Change |
User |
Description |
Committed |
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#1
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5817 |
Knut Wikstrom |
Added base Valve SDK code to start modding. |
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