source-engine/video/video_macros.h
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

114 lines
4.8 KiB
C

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// videomacros.h - Commone macros used by valve video services
//
// Purpose - to save typing, make things cleaer, prep for c++0x, prep for 64-bit,
// make lots of money, and drive Brian crazy
//
// ===========================================================================
#ifndef VIDEOMACROS_H
#define VIDEOMACROS_H
#ifdef _WIN32
#pragma once
#endif
#include <tier0/dbg.h>
// ------------------------------------------------------------------------
// MACROS
// ------------------------------------------------------------------------
#define nullchar ( (char) 0x00 )
#ifndef nullptr
#define nullptr ( 0 )
#endif
#define ZeroVar( var ) V_memset( &var, nullchar, sizeof( var ) )
#define ZeroVarPtr( pVar ) V_memset( pVar, nullchar, sizeof( *pVar) )
#define SAFE_DELETE( var ) if ( var != nullptr ) { delete var; var = nullptr; }
#define SAFE_DELETE_ARRAY( var ) if ( var != nullptr ) { delete[] var; var = nullptr; }
#define SAFE_RELEASE( var ) if ( var != nullptr ) { var->Release(); var = nullptr; }
#define SAFE_FREE( var ) if ( var != nullptr ) { free( var ); var = nullptr; }
// Common Assert Patterns
#define AssertPtr( _exp ) Assert( ( _exp ) != nullptr )
#define AssertNull( _exp ) Assert( ( _exp ) == nullptr )
#define AssertStr( _str ) Assert( ( _str ) != nullptr && *( _str ) != nullchar )
#define AssertInRange( _exp, low, high ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
#define AssertIncRange( _exp, low, high ) Assert( ( _exp ) >= ( low ) && ( _exp ) <= ( high ) )
// AssertExit macros .. in release builds, or when Assert is disabled, they exit (w/ opt return value)
// if the assert condition is false
//
#ifdef DBGFLAG_ASSERT
#define AssertExit( _exp ) Assert( _exp )
#define AssertExitV( _exp , _rval ) Assert( _exp )
#define AssertExitF( _exp ) Assert( _exp )
#define AssertExitN( _exp ) Assert( _exp )
#define AssertExitFunc( _exp, _func ) Assert( _exp )
#define AssertPtrExit( _exp ) Assert( ( _exp ) != nullptr )
#define AssertPtrExitV( _exp , _rval ) Assert( ( _exp ) != nullptr )
#define AssertPtrExitF( _exp ) Assert( ( _exp ) != nullptr )
#define AssertPtrExitN( _exp ) Assert( ( _exp ) != nullptr )
#define AssertInRangeExit( _exp , low , high ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
#define AssertInRangeExitV( _exp , low , high, _rval ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
#define AssertInRangeExitF( _exp , low , high ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
#define AssertInRangeExitN( _exp , low , high ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
#else // Asserts not enabled
#define AssertExit( _exp ) if ( !( _exp ) ) return
#define AssertExitV( _exp , _rval ) if ( !( _exp ) ) return _rval
#define AssertExitF( _exp ) if ( !( _exp ) ) return false
#define AssertExitN( _exp ) if ( !( _exp ) ) return nullptr
#define AssertExitFunc( _exp, _func ) if ( !( _exp ) ) { _func; return; }
#define AssertPtrExit( _exp ) if ( ( _exp ) == nullptr ) return
#define AssertPtrExitV( _exp , _rval ) if ( ( _exp ) == nullptr ) return _rval
#define AssertPtrExitF( _exp ) if ( ( _exp ) == nullptr ) return false
#define AssertPtrExitN( _exp ) if ( ( _exp ) == nullptr ) return nullptr
#define AssertInRangeExit( _exp, low, high ) if ( ( _exp ) <= ( low ) || ( _exp ) >= ( high ) ) return
#define AssertInRangeExitV( _exp, low, high, _rval ) if ( ( _exp ) <= ( low ) || ( _exp ) >= ( high ) ) return _rval
#define AssertInRangeExitF( _exp, low, high ) if ( ( _exp ) <= ( low ) || ( _exp ) >= ( high ) ) return false
#define AssertInRangeExitN( _exp, low, high ) if ( ( _exp ) <= ( low ) || ( _exp ) >= ( high ) ) return nullptr
#endif
#define WarningAssert( _msg ) AssertMsg( false, _msg )
#define STRINGS_MATCH 0
#define IS_NOT_EMPTY( str ) ( (str) != nullptr && *(str) != nullchar )
#define IS_EMPTY_STR( str ) ( (str) == nullptr || *(str) == nullchar )
#define IS_IN_RANGE( var, low, high ) ( (var) >= (low) && (var) <= (high) )
#define IS_IN_RANGECOUNT( var, low, high ) ( (var) >= (low) && (var) < (high) )
#define IS_OUT_OF_RANGE( var, low, high ) ( (var) < (low) || (var) > (high) )
#define IS_OUT_OF_RANGECOUNT( var, low, high ) ( (var) < (low) || (var) >= (high) )
#define BITFLAGS_SET( var, bits ) ( ( (var) & (bits) ) == (bits) )
#define ANY_BITFLAGS_SET( var, bits ) ( ( (var) & (bits) ) != 0 )
#define MAKE_UINT64( highVal, lowVal ) ( ( (uint64) highVal << 32 ) | (uint64) lowVal )
#define CONTAINING_MULTIPLE_OF( var, multVal ) ( (var) + ( multVal - 1) ) - ( ( (var) - 1) % multVal )
// use this whenever we do address arithmetic in bytes
typedef unsigned char* memaddr_t;
typedef int32 memoffset_t;
#endif // VIDEOMACROS_H