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mirror of https://github.com/alliedmodders/hl2sdk.git synced 2025-09-19 03:56:10 +08:00

Update CUtlLeanVector*

This commit is contained in:
GAMMACASE
2025-08-01 21:48:14 +03:00
parent 6683186ea7
commit f59a464088

View File

@ -15,22 +15,30 @@
#pragma once
#endif
#include "commonmacros.h"
#include "rawallocator.h"
#include "tier0/platform.h"
#include "tier0/dbg.h"
#include <limits>
#include "tier0/memdbgon.h"
#define FOR_EACH_LEANVEC( vecName, iteratorName ) \
for ( auto iteratorName = vecName.First(); vecName.IsValidIterator( iteratorName ); iteratorName = vecName.Next( iteratorName ) )
template< class T, class I >
template< class T, class I, class A >
class CUtlLeanVectorBase
{
typedef A CAllocator;
public:
enum : I
{
EXTERNAL_BUFFER_MARKER = (I { 1 } << (std::numeric_limits<I>::digits - 1))
};
// constructor, destructor
CUtlLeanVectorBase();
CUtlLeanVectorBase( I growSize = 0, I initSize = 0 );
CUtlLeanVectorBase( T *pMemory, I allocationCount, I numElements = 0 );
~CUtlLeanVectorBase();
// Gets the base address (can change when adding elements!)
@ -40,12 +48,24 @@ public:
// Makes sure we have enough memory allocated to store a requested # of elements
void EnsureCapacity( int num, bool force = false );
bool IsExternallyAllocated() const { return (m_nAllocated & EXTERNAL_BUFFER_MARKER) != 0; }
// Attaches the buffer to external memory....
void SetExternalBuffer( T *pMemory, int allocationCount, int numElements = 0 );
void SetExternalBuffer( const T *pMemory, int allocationCount, int numElements = 0 );
void AssumeMemory( T *pMemory, int allocationCount, int numElements = 0 );
T *Detach();
void *DetachMemory();
int NumAllocated() const { return (m_nAllocated & (~EXTERNAL_BUFFER_MARKER)); }
// Element removal
void RemoveAll(); // doesn't deallocate memory
bool IsIdxValid( I i ) const { return (i >= 0) && (i < NumAllocated()); }
// Memory deallocation
void Purge();
protected:
struct
@ -59,14 +79,21 @@ protected:
//-----------------------------------------------------------------------------
// constructor, destructor
//-----------------------------------------------------------------------------
template< class T, class I >
inline CUtlLeanVectorBase<T, I>::CUtlLeanVectorBase() : m_nCount(0),
m_nAllocated(0), m_pElements(NULL)
template< class T, class I, class A >
inline CUtlLeanVectorBase<T, I, A>::CUtlLeanVectorBase( I growSize, I initSize ) :
m_nCount( 0 ), m_nAllocated( 0 ), m_pElements( nullptr )
{
EnsureCapacity( initSize );
}
template< class T, class I, class A >
inline CUtlLeanVectorBase<T, I, A>::CUtlLeanVectorBase( T *pMemory, I allocationCount, I numElements ) :
m_nCount( numElements ), m_nAllocated( allocationCount | EXTERNAL_BUFFER_MARKER ), m_pElements( pMemory )
{
}
template< class T, class I >
inline CUtlLeanVectorBase<T, I>::~CUtlLeanVectorBase()
template< class T, class I, class A >
inline CUtlLeanVectorBase<T, I, A>::~CUtlLeanVectorBase()
{
Purge();
}
@ -74,39 +101,88 @@ inline CUtlLeanVectorBase<T, I>::~CUtlLeanVectorBase()
//-----------------------------------------------------------------------------
// Gets the base address (can change when adding elements!)
//-----------------------------------------------------------------------------
template< class T, class I >
inline T* CUtlLeanVectorBase<T, I>::Base()
template< class T, class I, class A >
inline T* CUtlLeanVectorBase<T, I, A>::Base()
{
return m_nAllocated ? m_pElements : NULL;
return NumAllocated() ? m_pElements : nullptr;
}
template< class T, class I >
inline const T* CUtlLeanVectorBase<T, I>::Base() const
template< class T, class I, class A >
inline const T* CUtlLeanVectorBase<T, I, A>::Base() const
{
return m_nAllocated ? m_pElements : NULL;
return NumAllocated() ? m_pElements : nullptr;
}
//-----------------------------------------------------------------------------
// Attaches the buffer to external memory....
//-----------------------------------------------------------------------------
template< class T, class I, class A >
inline void CUtlLeanVectorBase<T, I, A>::SetExternalBuffer( T *pMemory, int allocationCount, int numElements )
{
// Blow away any existing allocated memory
Purge();
m_nCount = numElements;
m_nAllocated = allocationCount | EXTERNAL_BUFFER_MARKER;
m_pElements = pMemory;
}
template< class T, class I, class A >
inline void CUtlLeanVectorBase<T, I, A>::SetExternalBuffer( const T *pMemory, int allocationCount, int numElements )
{
// Blow away any existing allocated memory
Purge();
m_nCount = numElements;
m_nAllocated = allocationCount | EXTERNAL_BUFFER_MARKER;
m_pElements = const_cast<T *>(pMemory);
}
template< class T, class I, class A >
inline void CUtlLeanVectorBase<T, I, A>::AssumeMemory( T *pMemory, int allocationCount, int numElements )
{
// Blow away any existing allocated memory
Purge();
m_nCount = numElements;
m_nAllocated = allocationCount;
// Simply take the pointer but don't mark us as external
m_pElements = pMemory;
}
template< class T, class I, class A >
inline T *CUtlLeanVectorBase<T, I, A>::Detach()
{
return (T *)DetachMemory();
}
template< class T, class I, class A >
inline void *CUtlLeanVectorBase<T, I, A>::DetachMemory()
{
if(IsExternallyAllocated())
return nullptr;
void *pMemory = m_pElements;
m_nCount = 0;
m_nAllocated = 0;
m_pElements = 0;
return pMemory;
}
//-----------------------------------------------------------------------------
// Makes sure we have enough memory allocated to store a requested # of elements
//-----------------------------------------------------------------------------
template< class T, class I >
void CUtlLeanVectorBase<T, I>::EnsureCapacity( int num, bool force )
template< class T, class I, class A >
void CUtlLeanVectorBase<T, I, A>::EnsureCapacity( int num, bool force )
{
I nMinAllocated = ( 31 + sizeof( T ) ) / sizeof( T );
if(num <= NumAllocated())
return;
I nMinAllocated = (31 + sizeof( T )) / sizeof( T );
I nMaxAllocated = (std::numeric_limits<I>::max)();
I nNewAllocated = m_nAllocated;
if ( force )
{
if ( num == m_nAllocated )
return;
}
else
{
if ( num <= m_nAllocated )
return;
}
if ( num > nMaxAllocated )
{
Msg( "%s allocation count overflow( %llu > %llu )\n", __FUNCTION__, ( uint64 )num, ( uint64 )nMaxAllocated );
@ -114,30 +190,30 @@ void CUtlLeanVectorBase<T, I>::EnsureCapacity( int num, bool force )
DebuggerBreak();
}
if ( force )
I nNewAllocated = num;
if ( !force )
nNewAllocated = CalcNewDoublingCount( NumAllocated(), num, nMinAllocated, nMaxAllocated );
T *pNew = nullptr;
if(IsExternallyAllocated())
{
nNewAllocated = num;
CAllocator::template Alloc<T>( nNewAllocated, nNewAllocated );
V_memmove( pNew, Base(), m_nCount * sizeof( T ) );
}
else
{
while ( nNewAllocated < num )
{
if ( nNewAllocated < nMaxAllocated/2 )
nNewAllocated = MAX( nNewAllocated*2, nMinAllocated );
else
nNewAllocated = nMaxAllocated;
}
pNew = CAllocator::Realloc( m_pElements, nNewAllocated, nNewAllocated );
}
m_pElements = (T*)realloc( m_pElements, nNewAllocated * sizeof(T) );
m_pElements = pNew;
m_nAllocated = nNewAllocated;
}
//-----------------------------------------------------------------------------
// Element removal
//-----------------------------------------------------------------------------
template< class T, class I >
void CUtlLeanVectorBase<T, I>::RemoveAll()
template< class T, class I, class A >
void CUtlLeanVectorBase<T, I, A>::RemoveAll()
{
T* pElement = Base();
const T* pEnd = &pElement[ m_nCount ];
@ -150,26 +226,37 @@ void CUtlLeanVectorBase<T, I>::RemoveAll()
//-----------------------------------------------------------------------------
// Memory deallocation
//-----------------------------------------------------------------------------
template< class T, class I >
inline void CUtlLeanVectorBase<T, I>::Purge()
template< class T, class I, class A >
inline void CUtlLeanVectorBase<T, I, A>::Purge()
{
RemoveAll();
if ( m_nAllocated > 0 )
if(!IsExternallyAllocated())
{
free( (void*)m_pElements );
m_pElements = NULL;
if(NumAllocated() > 0)
{
CAllocator::Free( m_pElements );
m_pElements = nullptr;
}
m_nAllocated = 0;
}
m_nAllocated = 0;
}
template< class T, size_t N, class I >
template< class T, size_t N, class I, class A >
class CUtlLeanVectorFixedGrowableBase
{
typedef A CAllocator;
public:
enum : I
{
EXTERNAL_BUFFER_MARKER = (I { 1 } << (std::numeric_limits<I>::digits - 1))
};
// constructor, destructor
CUtlLeanVectorFixedGrowableBase();
CUtlLeanVectorFixedGrowableBase( I growSize = 0, I initSize = 0 );
CUtlLeanVectorFixedGrowableBase( T *pMemory, I allocationCount, I numElements = 0 );
~CUtlLeanVectorFixedGrowableBase();
// Gets the base address (can change when adding elements!)
@ -179,9 +266,15 @@ public:
// Makes sure we have enough memory allocated to store a requested # of elements
void EnsureCapacity( int num, bool force = false );
bool IsExternallyAllocated() const { return (m_nAllocated & EXTERNAL_BUFFER_MARKER) != 0; }
int NumAllocated() const { return (m_nAllocated & (~EXTERNAL_BUFFER_MARKER)); }
// Element removal
void RemoveAll(); // doesn't deallocate memory
bool IsIdxValid( I i ) const { return (i >= 0) && (i < NumAllocated()); }
// Memory deallocation
void Purge();
@ -214,14 +307,21 @@ protected:
//-----------------------------------------------------------------------------
// constructor, destructor
//-----------------------------------------------------------------------------
template< class T, size_t N, class I >
inline CUtlLeanVectorFixedGrowableBase<T, N, I>::CUtlLeanVectorFixedGrowableBase() : m_nCount(0),
m_nAllocated(N)
template< class T, size_t N, class I, class A >
inline CUtlLeanVectorFixedGrowableBase<T, N, I, A>::CUtlLeanVectorFixedGrowableBase( I growSize, I initSize ) :
m_nCount( 0 ), m_nAllocated( N )
{
EnsureCapacity( initSize );
}
template< class T, size_t N, class I, class A >
inline CUtlLeanVectorFixedGrowableBase<T, N, I, A>::CUtlLeanVectorFixedGrowableBase( T *pMemory, I allocationCount, I numElements ) :
m_nCount( numElements ), m_nAllocated( allocationCount | EXTERNAL_BUFFER_MARKER ), m_pElements( pMemory )
{
}
template< class T, size_t N, class I >
inline CUtlLeanVectorFixedGrowableBase<T, N, I>::~CUtlLeanVectorFixedGrowableBase()
template< class T, size_t N, class I, class A >
inline CUtlLeanVectorFixedGrowableBase<T, N, I, A>::~CUtlLeanVectorFixedGrowableBase()
{
Purge();
}
@ -229,47 +329,47 @@ inline CUtlLeanVectorFixedGrowableBase<T, N, I>::~CUtlLeanVectorFixedGrowableBas
//-----------------------------------------------------------------------------
// Gets the base address (can change when adding elements!)
//-----------------------------------------------------------------------------
template< class T, size_t N, class I >
inline T* CUtlLeanVectorFixedGrowableBase<T, N, I>::Base()
template< class T, size_t N, class I, class A >
inline T* CUtlLeanVectorFixedGrowableBase<T, N, I, A>::Base()
{
if ( m_nAllocated )
if ( NumAllocated() )
{
if ( ( size_t )m_nAllocated > N )
if ( IsExternallyAllocated() || ( size_t )NumAllocated() > N )
return m_pElements;
else
return &m_FixedAlloc[ 0 ];
}
return NULL;
return nullptr;
}
template< class T, size_t N, class I >
inline const T* CUtlLeanVectorFixedGrowableBase<T, N, I>::Base() const
template< class T, size_t N, class I, class A >
inline const T* CUtlLeanVectorFixedGrowableBase<T, N, I, A>::Base() const
{
if ( m_nAllocated )
if ( NumAllocated() )
{
if ( ( size_t )m_nAllocated > N )
if ( IsExternallyAllocated() || ( size_t )NumAllocated() > N )
return m_pElements;
else
return &m_FixedAlloc[ 0 ];
}
return NULL;
return nullptr;
}
//-----------------------------------------------------------------------------
// Makes sure we have enough memory allocated to store a requested # of elements
//-----------------------------------------------------------------------------
template< class T, size_t N, class I >
void CUtlLeanVectorFixedGrowableBase<T, N, I>::EnsureCapacity( int num, bool force )
template< class T, size_t N, class I, class A >
void CUtlLeanVectorFixedGrowableBase<T, N, I, A>::EnsureCapacity( int num, bool force )
{
I nMinAllocated = ( 31 + sizeof( T ) ) / sizeof( T );
I nMaxAllocated = (std::numeric_limits<I>::max)();
I nNewAllocated = m_nAllocated;
if ( num <= m_nAllocated )
if ( num <= NumAllocated() )
return;
I nMinAllocated = (31 + sizeof( T )) / sizeof( T );
I nMaxAllocated = (std::numeric_limits<I>::max)();
I nNewAllocated = num;
if ( ( size_t )num > N )
{
if ( num > nMaxAllocated )
@ -278,46 +378,31 @@ void CUtlLeanVectorFixedGrowableBase<T, N, I>::EnsureCapacity( int num, bool for
Plat_FatalErrorFunc( "%s allocation count overflow", __FUNCTION__ );
DebuggerBreak();
}
if ( force )
{
nNewAllocated = num;
}
else
{
while ( nNewAllocated < num )
{
if ( nNewAllocated < nMaxAllocated/2 )
nNewAllocated = MAX( nNewAllocated*2, nMinAllocated );
else
nNewAllocated = nMaxAllocated;
}
}
}
if(!force)
nNewAllocated = CalcNewDoublingCount( NumAllocated(), num, nMinAllocated, nMaxAllocated );
T *pNew = nullptr;
if(!IsExternallyAllocated() && (size_t)NumAllocated() > N)
{
pNew = CAllocator::Realloc( m_pElements, nNewAllocated, nNewAllocated );
}
else
{
nNewAllocated = num;
}
if ( ( size_t )m_nAllocated > N )
{
m_pElements = (T*)realloc( m_pElements, nNewAllocated * sizeof(T) );
}
else if ( ( size_t )nNewAllocated > N )
{
T* pNew = (T*)malloc( nNewAllocated * sizeof(T) );
memcpy( pNew, Base(), m_nCount * sizeof(T) );
m_pElements = pNew;
pNew = CAllocator::template Alloc<T>( nNewAllocated, nNewAllocated );
V_memmove( pNew, Base(), m_nCount * sizeof( T ) );
}
m_pElements = pNew;
m_nAllocated = nNewAllocated;
}
//-----------------------------------------------------------------------------
// Element removal
//-----------------------------------------------------------------------------
template< class T, size_t N, class I >
void CUtlLeanVectorFixedGrowableBase<T, N, I>::RemoveAll()
template< class T, size_t N, class I, class A >
void CUtlLeanVectorFixedGrowableBase<T, N, I, A>::RemoveAll()
{
T* pElement = Base();
const T* pEnd = &pElement[ m_nCount ];
@ -330,23 +415,29 @@ void CUtlLeanVectorFixedGrowableBase<T, N, I>::RemoveAll()
//-----------------------------------------------------------------------------
// Memory deallocation
//-----------------------------------------------------------------------------
template< class T, size_t N, class I >
inline void CUtlLeanVectorFixedGrowableBase<T, N, I>::Purge()
template< class T, size_t N, class I, class A >
inline void CUtlLeanVectorFixedGrowableBase<T, N, I, A>::Purge()
{
RemoveAll();
if ( ( size_t )m_nAllocated > N )
free( (void*)m_pElements );
m_nAllocated = N;
if(!IsExternallyAllocated())
{
if((size_t)NumAllocated() > N)
CAllocator::Free( m_pElements );
m_nAllocated = N;
}
}
template< class B, class T, class I >
class CUtlLeanVectorImpl : public B
{
typedef B BaseClass;
public:
// constructor, destructor
CUtlLeanVectorImpl() {};
CUtlLeanVectorImpl( I growSize = 0, I initSize = 0 ) : BaseClass( growSize, initSize ) {};
CUtlLeanVectorImpl( T *pMemory, I allocationCount, I numElements = 0 ) : BaseClass( pMemory, allocationCount, numElements ) {};
~CUtlLeanVectorImpl() {};
// Copy the array.
@ -355,17 +446,18 @@ public:
class Iterator_t
{
public:
Iterator_t( const T* _elem, const T* _end ) : elem( _elem ), end( _end ) {}
const T* elem;
const T* end;
bool operator==( const Iterator_t it ) const { return elem == it.elem && end == it.end; }
bool operator!=( const Iterator_t it ) const { return elem != it.elem || end != it.end; }
Iterator_t( I i ) : index( i ) {}
I index;
bool operator==( const Iterator_t it ) const { return index == it.index; }
bool operator!=( const Iterator_t it ) const { return index != it.index; }
};
Iterator_t First() const { const T* base = this->Base(); return Iterator_t( base, &base[ this->m_nCount ] ); }
Iterator_t Next( const Iterator_t &it ) const { return Iterator_t( it.elem + 1, it.end ); }
bool IsValidIterator( const Iterator_t &it ) const { return it.elem && it.elem != it.end; }
T& operator[]( const Iterator_t &it ) { return *const_cast<T*>(it.elem); }
const T& operator[]( const Iterator_t &it ) const { return *it.elem; }
Iterator_t First() const { return Iterator_t( this->IsIdxValid( 0 ) ? 0 : InvalidIndex() ); }
Iterator_t Next( const Iterator_t &it ) const { return Iterator_t( this->IsIdxValid( it.index + 1 ) ? it.index + 1 : InvalidIndex() ); }
I GetIndex( const Iterator_t &it ) const { return it.index; }
bool IsIdxAfter( I i, const Iterator_t &it ) const { return i > it.index; }
bool IsValidIterator( const Iterator_t &it ) const { return this->IsIdxValid( it.index ); }
Iterator_t InvalidIterator() const { return Iterator_t( InvalidIndex() ); }
// element access
T& operator[]( int i );
@ -388,6 +480,7 @@ public:
T* AddToTailGetPtr();
// Adds an element, uses copy constructor
int AddToTail();
int AddToTail( const T& src );
// Adds multiple elements, uses default constructor
@ -399,6 +492,8 @@ public:
void SetSize( int size );
void SetCount( int count );
void EnsureCount( int num );
// Finds an element (element needs operator== defined)
int Find( const T& src ) const;
@ -408,6 +503,8 @@ public:
bool FindAndRemove( const T& src ); // removes first occurrence of src, preserves order, shifts elements
bool FindAndFastRemove( const T& src ); // removes first occurrence of src, doesn't preserve order
void RemoveMultiple( int elem, int num ); // preserves order, shifts elements
void RemoveMultipleFromHead( int num ); // preserves order, shifts elements
void RemoveMultipleFromTail( int num ); // preserves order, shifts elements
protected:
// Can't copy this unless we explicitly do it!
@ -538,6 +635,15 @@ T* CUtlLeanVectorImpl<B, T, I>::AddToTailGetPtr()
//-----------------------------------------------------------------------------
// Adds an element, uses copy constructor
//-----------------------------------------------------------------------------
template< class B, class T, class I >
int CUtlLeanVectorImpl<B, T, I>::AddToTail()
{
this->EnsureCapacity( this->m_nCount + 1 );
T* pBase = this->Base();
Construct( &pBase[ this->m_nCount ] );
return this->m_nCount++;
}
template< class B, class T, class I >
int CUtlLeanVectorImpl<B, T, I>::AddToTail( const T& src )
{
@ -644,6 +750,15 @@ inline void CUtlLeanVectorImpl<B, T, I>::SetSize( int size )
SetCount( size );
}
template< class B, class T, class I >
void CUtlLeanVectorImpl<B, T, I>::EnsureCount( int num )
{
if(Count() < num)
{
AddMultipleToTail( num - Count() );
}
}
//-----------------------------------------------------------------------------
// Finds an element (element needs operator== defined)
//-----------------------------------------------------------------------------
@ -672,7 +787,7 @@ void CUtlLeanVectorImpl<B, T, I>::FastRemove( int elem )
if ( this->m_nCount > 0 )
{
if ( elem != this->m_nCount - 1 )
memcpy( &pBase[ elem ], &pBase[ this->m_nCount - 1 ], sizeof( T ) );
V_memmove( &pBase[ elem ], &pBase[ this->m_nCount - 1 ], sizeof( T ) );
--this->m_nCount;
}
}
@ -722,6 +837,20 @@ void CUtlLeanVectorImpl<B, T, I>::RemoveMultiple( int elem, int num )
this->m_nCount -= num;
}
template< class B, class T, class I >
void CUtlLeanVectorImpl<B, T, I>::RemoveMultipleFromHead( int num )
{
Assert( num <= Count() );
RemoveMultiple( 0, num );
}
template< class B, class T, class I >
void CUtlLeanVectorImpl<B, T, I>::RemoveMultipleFromTail( int num )
{
Assert( num <= Count() );
RemoveMultiple( Count() - num, num );
}
//-----------------------------------------------------------------------------
// Shifts elements
//-----------------------------------------------------------------------------
@ -750,12 +879,10 @@ void CUtlLeanVectorImpl<B, T, I>::DestructElements( T* pElement, const T* pEnd )
Destruct( pElement++ );
}
template < class T, class I = short >
using CUtlLeanVector = CUtlLeanVectorImpl< CUtlLeanVectorBase< T, I >, T, I >;
template < class T, class I = short, class A = CMemAllocAllocator >
using CUtlLeanVector = CUtlLeanVectorImpl< CUtlLeanVectorBase< T, I, A >, T, I >;
template < class T, size_t N = 3, class I = int >
using CUtlLeanVectorFixedGrowable = CUtlLeanVectorImpl< CUtlLeanVectorFixedGrowableBase< T, N, I >, T, I >;
#include "tier0/memdbgoff.h"
template < class T, size_t N = 3, class I = int, class A = CMemAllocAllocator >
using CUtlLeanVectorFixedGrowable = CUtlLeanVectorImpl< CUtlLeanVectorFixedGrowableBase< T, N, I, A >, T, I >;
#endif // UTLLEANVECTOR_H