mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-12-11 05:01:25 +00:00
1153 lines
27 KiB
C++
1153 lines
27 KiB
C++
/*
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===========================================================================
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Doom 3 BFG Edition GPL Source Code
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Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
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Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 BFG Edition 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 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
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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.
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===========================================================================
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*/
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#ifndef __LIST_H__
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#define __LIST_H__
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#include <new>
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/*
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===============================================================================
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List template
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Does not allocate memory until the first item is added.
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===============================================================================
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*/
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/*
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========================
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idListArrayNew
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========================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void* idListArrayNew( int num, bool zeroBuffer )
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{
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_type_ * ptr = NULL;
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if( zeroBuffer )
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{
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ptr = ( _type_* )Mem_ClearedAlloc( sizeof( _type_ ) * num, _tag_ );
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}
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else
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{
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ptr = ( _type_* )Mem_Alloc( sizeof( _type_ ) * num, _tag_ );
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}
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for( int i = 0; i < num; i++ )
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{
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new( &ptr[i] ) _type_;
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}
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return ptr;
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}
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/*
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========================
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idListArrayDelete
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========================
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*/
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template< typename _type_ >
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ID_INLINE void idListArrayDelete( void* ptr, int num )
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{
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// Call the destructors on all the elements
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for( int i = 0; i < num; i++ )
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{
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( ( _type_* )ptr )[i].~_type_();
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}
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Mem_Free( ptr );
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}
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/*
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========================
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idListArrayResize
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========================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void* idListArrayResize( void* voldptr, int oldNum, int newNum, bool zeroBuffer )
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{
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_type_ * oldptr = ( _type_* )voldptr;
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_type_ * newptr = NULL;
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if( newNum > 0 )
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{
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newptr = ( _type_* )idListArrayNew<_type_, _tag_>( newNum, zeroBuffer );
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int overlap = Min( oldNum, newNum );
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for( int i = 0; i < overlap; i++ )
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{
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newptr[i] = oldptr[i];
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}
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}
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idListArrayDelete<_type_>( voldptr, oldNum );
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return newptr;
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}
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/*
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================
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idListNewElement<type>
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================
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*/
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template< class type >
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ID_INLINE type* idListNewElement( void )
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{
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return new type;
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}
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template< typename _type_, memTag_t _tag_ = TAG_IDLIB_LIST >
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class idList
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{
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public:
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typedef int cmp_t( const _type_*, const _type_* );
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typedef _type_ new_t();
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idList( int newgranularity = 16 );
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idList( const idList& other );
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~idList();
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void Clear(); // clear the list
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int Num() const; // returns number of elements in list
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int NumAllocated() const; // returns number of elements allocated for
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void SetGranularity( int newgranularity ); // set new granularity
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int GetGranularity() const; // get the current granularity
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size_t Allocated() const; // returns total size of allocated memory
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size_t Size() const; // returns total size of allocated memory including size of list _type_
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size_t MemoryUsed() const; // returns size of the used elements in the list
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idList<_type_, _tag_>& operator=( const idList<_type_, _tag_>& other );
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const _type_& operator[]( int index ) const;
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_type_& operator[]( int index );
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void Condense(); // resizes list to exactly the number of elements it contains
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void Resize( int newsize ); // resizes list to the given number of elements
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void Resize( int newsize, int newgranularity ); // resizes list and sets new granularity
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void SetNum( int newnum ); // set number of elements in list and resize to exactly this number if needed
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void AssureSize( int newSize ); // assure list has given number of elements, but leave them uninitialized
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void AssureSize( int newSize, const _type_ &initValue ); // assure list has given number of elements and initialize any new elements
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void AssureSizeAlloc( int newSize, new_t* allocator ); // assure the pointer list has the given number of elements and allocate any new elements
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_type_* Ptr(); // returns a pointer to the list
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const _type_* Ptr() const; // returns a pointer to the list
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_type_& Alloc(); // returns reference to a new data element at the end of the list
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int Append( const _type_ & obj ); // append element
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int Append( const idList& other ); // append list
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int AddUnique( const _type_ & obj ); // add unique element
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int Insert( const _type_ & obj, int index = 0 ); // insert the element at the given index
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int FindIndex( const _type_ & obj ) const; // find the index for the given element
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_type_* Find( _type_ const& obj ) const; // find pointer to the given element
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int FindNull() const; // find the index for the first NULL pointer in the list
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int IndexOf( const _type_ *obj ) const; // returns the index for the pointer to an element in the list
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bool RemoveIndex( int index ); // remove the element at the given index
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// removes the element at the given index and places the last element into its spot - DOES NOT PRESERVE LIST ORDER
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bool RemoveIndexFast( int index );
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bool Remove( const _type_ & obj ); // remove the element
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// void Sort( cmp_t *compare = ( cmp_t * )&idListSortCompare<_type_, _tag_> );
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void SortWithTemplate( const idSort<_type_>& sort = idSort_QuickDefault<_type_>() );
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// void SortSubSection( int startIndex, int endIndex, cmp_t *compare = ( cmp_t * )&idListSortCompare<_type_> );
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void Swap( idList& other ); // swap the contents of the lists
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void DeleteContents( bool clear = true ); // delete the contents of the list
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//------------------------
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// auto-cast to other idList types with a different memory tag
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//------------------------
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template< memTag_t _t_ >
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operator idList<_type_, _t_>& ()
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{
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return *reinterpret_cast<idList<_type_, _t_> *>( this );
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}
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template< memTag_t _t_>
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operator const idList<_type_, _t_>& () const
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{
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return *reinterpret_cast<const idList<_type_, _t_> *>( this );
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}
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//------------------------
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// memTag
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//
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// Changing the memTag when the list has an allocated buffer will
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// result in corruption of the memory statistics.
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//------------------------
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memTag_t GetMemTag() const
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{
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return ( memTag_t )memTag;
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};
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void SetMemTag( memTag_t tag_ )
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{
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memTag = ( byte )tag_;
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};
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private:
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int num;
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int size;
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int granularity;
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_type_* list;
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byte memTag;
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};
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/*
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================
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idList<_type_,_tag_>::idList( int )
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE idList<_type_, _tag_>::idList( int newgranularity )
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{
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assert( newgranularity > 0 );
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list = NULL;
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granularity = newgranularity;
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memTag = _tag_;
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Clear();
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}
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/*
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================
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idList<_type_,_tag_>::idList( const idList< _type_, _tag_ > &other )
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE idList<_type_, _tag_>::idList( const idList& other )
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{
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list = NULL;
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*this = other;
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}
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/*
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================
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idList<_type_,_tag_>::~idList< _type_, _tag_ >
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE idList<_type_, _tag_>::~idList()
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{
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Clear();
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}
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/*
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================
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idList<_type_,_tag_>::Clear
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Frees up the memory allocated by the list. Assumes that _type_ automatically handles freeing up memory.
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void idList<_type_, _tag_>::Clear()
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{
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if( list )
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{
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idListArrayDelete< _type_ >( list, size );
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}
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list = NULL;
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num = 0;
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size = 0;
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}
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/*
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================
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idList<_type_,_tag_>::DeleteContents
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Calls the destructor of all elements in the list. Conditionally frees up memory used by the list.
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Note that this only works on lists containing pointers to objects and will cause a compiler error
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if called with non-pointers. Since the list was not responsible for allocating the object, it has
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no information on whether the object still exists or not, so care must be taken to ensure that
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the pointers are still valid when this function is called. Function will set all pointers in the
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list to NULL.
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void idList<_type_, _tag_>::DeleteContents( bool clear )
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{
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int i;
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for( i = 0; i < num; i++ )
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{
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delete list[ i ];
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list[ i ] = NULL;
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}
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if( clear )
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{
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Clear();
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}
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else
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{
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memset( list, 0, size * sizeof( _type_ ) );
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}
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}
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/*
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================
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idList<_type_,_tag_>::Allocated
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return total memory allocated for the list in bytes, but doesn't take into account additional memory allocated by _type_
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE size_t idList<_type_, _tag_>::Allocated() const
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{
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return size * sizeof( _type_ );
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}
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/*
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================
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idList<_type_,_tag_>::Size
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return total size of list in bytes, but doesn't take into account additional memory allocated by _type_
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE size_t idList<_type_, _tag_>::Size() const
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{
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return sizeof( idList< _type_, _tag_ > ) + Allocated();
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}
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/*
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================
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idList<_type_,_tag_>::MemoryUsed
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE size_t idList<_type_, _tag_>::MemoryUsed() const
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{
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return num * sizeof( *list );
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}
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/*
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================
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idList<_type_,_tag_>::Num
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Returns the number of elements currently contained in the list.
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Note that this is NOT an indication of the memory allocated.
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE int idList<_type_, _tag_>::Num() const
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{
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return num;
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}
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/*
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================
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idList<_type_,_tag_>::NumAllocated
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Returns the number of elements currently allocated for.
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE int idList<_type_, _tag_>::NumAllocated() const
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{
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return size;
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}
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/*
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================
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idList<_type_,_tag_>::SetNum
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void idList<_type_, _tag_>::SetNum( int newnum )
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{
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assert( newnum >= 0 );
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if( newnum > size )
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{
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Resize( newnum );
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}
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num = newnum;
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}
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/*
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================
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idList<_type_,_tag_>::SetGranularity
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Sets the base size of the array and resizes the array to match.
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void idList<_type_, _tag_>::SetGranularity( int newgranularity )
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{
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int newsize;
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assert( newgranularity > 0 );
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granularity = newgranularity;
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if( list )
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{
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// resize it to the closest level of granularity
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newsize = num + granularity - 1;
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newsize -= newsize % granularity;
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if( newsize != size )
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{
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Resize( newsize );
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}
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}
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}
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/*
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================
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idList<_type_,_tag_>::GetGranularity
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Get the current granularity.
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE int idList<_type_, _tag_>::GetGranularity() const
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{
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return granularity;
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}
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/*
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================
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idList<_type_,_tag_>::Condense
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Resizes the array to exactly the number of elements it contains or frees up memory if empty.
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void idList<_type_, _tag_>::Condense()
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{
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if( list )
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{
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if( num )
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{
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Resize( num );
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}
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else
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{
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Clear();
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}
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}
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}
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/*
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================
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idList<_type_,_tag_>::Resize
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Allocates memory for the amount of elements requested while keeping the contents intact.
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Contents are copied using their = operator so that data is correnctly instantiated.
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void idList<_type_, _tag_>::Resize( int newsize )
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{
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assert( newsize >= 0 );
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// free up the list if no data is being reserved
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if( newsize <= 0 )
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{
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Clear();
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return;
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}
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if( newsize == size )
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{
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// not changing the size, so just exit
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return;
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}
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list = ( _type_* )idListArrayResize< _type_, _tag_ >( list, size, newsize, false );
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size = newsize;
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if( size < num )
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{
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num = size;
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}
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}
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/*
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================
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idList<_type_,_tag_>::Resize
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Allocates memory for the amount of elements requested while keeping the contents intact.
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Contents are copied using their = operator so that data is correnctly instantiated.
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================
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*/
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void idList<_type_, _tag_>::Resize( int newsize, int newgranularity )
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{
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assert( newsize >= 0 );
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assert( newgranularity > 0 );
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granularity = newgranularity;
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// free up the list if no data is being reserved
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if( newsize <= 0 )
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{
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Clear();
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return;
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}
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list = ( _type_* )idListArrayResize< _type_, _tag_ >( list, size, newsize, false );
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size = newsize;
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if( size < num )
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{
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num = size;
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}
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}
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/*
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================
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idList<_type_,_tag_>::AssureSize
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Makes sure the list has at least the given number of elements.
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================
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*/
|
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template< typename _type_, memTag_t _tag_ >
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ID_INLINE void idList<_type_, _tag_>::AssureSize( int newSize )
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{
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int newNum = newSize;
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if( newSize > size )
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|
{
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if( granularity == 0 ) // this is a hack to fix our memset classes
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{
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granularity = 16;
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}
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newSize += granularity - 1;
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newSize -= newSize % granularity;
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Resize( newSize );
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}
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num = newNum;
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}
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|
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/*
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================
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idList<_type_,_tag_>::AssureSize
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|
Makes sure the list has at least the given number of elements and initialize any elements not yet initialized.
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|
================
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*/
|
|
template< typename _type_, memTag_t _tag_ >
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|
ID_INLINE void idList<_type_, _tag_>::AssureSize( int newSize, const _type_ &initValue )
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|
{
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|
int newNum = newSize;
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|
|
if( newSize > size )
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|
{
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|
|
|
if( granularity == 0 ) // this is a hack to fix our memset classes
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|
{
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granularity = 16;
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}
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|
|
newSize += granularity - 1;
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|
newSize -= newSize % granularity;
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num = size;
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|
Resize( newSize );
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|
|
for( int i = num; i < newSize; i++ )
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{
|
|
list[i] = initValue;
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}
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|
}
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num = newNum;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::AssureSizeAlloc
|
|
|
|
Makes sure the list has at least the given number of elements and allocates any elements using the allocator.
|
|
|
|
NOTE: This function can only be called on lists containing pointers. Calling it
|
|
on non-pointer lists will cause a compiler error.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE void idList<_type_, _tag_>::AssureSizeAlloc( int newSize, new_t* allocator )
|
|
{
|
|
int newNum = newSize;
|
|
|
|
if( newSize > size )
|
|
{
|
|
|
|
if( granularity == 0 ) // this is a hack to fix our memset classes
|
|
{
|
|
granularity = 16;
|
|
}
|
|
|
|
newSize += granularity - 1;
|
|
newSize -= newSize % granularity;
|
|
num = size;
|
|
Resize( newSize );
|
|
|
|
for( int i = num; i < newSize; i++ )
|
|
{
|
|
list[i] = ( *allocator )();
|
|
}
|
|
}
|
|
|
|
num = newNum;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::operator=
|
|
|
|
Copies the contents and size attributes of another list.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE idList<_type_, _tag_>& idList<_type_, _tag_>::operator=( const idList<_type_, _tag_>& other )
|
|
{
|
|
int i;
|
|
|
|
Clear();
|
|
|
|
num = other.num;
|
|
size = other.size;
|
|
granularity = other.granularity;
|
|
memTag = other.memTag;
|
|
|
|
if( size )
|
|
{
|
|
list = ( _type_* )idListArrayNew< _type_, _tag_ >( size, false );
|
|
for( i = 0; i < num; i++ )
|
|
{
|
|
list[ i ] = other.list[ i ];
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::operator[] const
|
|
|
|
Access operator. Index must be within range or an assert will be issued in debug builds.
|
|
Release builds do no range checking.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE const _type_& idList<_type_, _tag_>::operator[]( int index ) const
|
|
{
|
|
assert( index >= 0 );
|
|
assert( index < num );
|
|
|
|
return list[ index ];
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::operator[]
|
|
|
|
Access operator. Index must be within range or an assert will be issued in debug builds.
|
|
Release builds do no range checking.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE _type_& idList<_type_, _tag_>::operator[]( int index )
|
|
{
|
|
assert( index >= 0 );
|
|
assert( index < num );
|
|
|
|
return list[ index ];
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::Ptr
|
|
|
|
Returns a pointer to the begining of the array. Useful for iterating through the list in loops.
|
|
|
|
Note: may return NULL if the list is empty.
|
|
|
|
FIXME: Create an iterator template for this kind of thing.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE _type_* idList<_type_, _tag_>::Ptr()
|
|
{
|
|
return list;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::Ptr
|
|
|
|
Returns a pointer to the begining of the array. Useful for iterating through the list in loops.
|
|
|
|
Note: may return NULL if the list is empty.
|
|
|
|
FIXME: Create an iterator template for this kind of thing.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
const ID_INLINE _type_* idList<_type_, _tag_>::Ptr() const
|
|
{
|
|
return list;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::Alloc
|
|
|
|
Returns a reference to a new data element at the end of the list.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE _type_& idList<_type_, _tag_>::Alloc()
|
|
{
|
|
if( !list )
|
|
{
|
|
Resize( granularity );
|
|
}
|
|
|
|
if( num == size )
|
|
{
|
|
Resize( size + granularity );
|
|
}
|
|
|
|
return list[ num++ ];
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::Append
|
|
|
|
Increases the size of the list by one element and copies the supplied data into it.
|
|
|
|
Returns the index of the new element.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE int idList<_type_, _tag_>::Append( _type_ const& obj )
|
|
{
|
|
if( !list )
|
|
{
|
|
Resize( granularity );
|
|
}
|
|
|
|
if( num == size )
|
|
{
|
|
int newsize;
|
|
|
|
if( granularity == 0 ) // this is a hack to fix our memset classes
|
|
{
|
|
granularity = 16;
|
|
}
|
|
newsize = size + granularity;
|
|
Resize( newsize - newsize % granularity );
|
|
}
|
|
|
|
list[ num ] = obj;
|
|
num++;
|
|
|
|
return num - 1;
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::Insert
|
|
|
|
Increases the size of the list by at leat one element if necessary
|
|
and inserts the supplied data into it.
|
|
|
|
Returns the index of the new element.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE int idList<_type_, _tag_>::Insert( _type_ const& obj, int index )
|
|
{
|
|
if( !list )
|
|
{
|
|
Resize( granularity );
|
|
}
|
|
|
|
if( num == size )
|
|
{
|
|
int newsize;
|
|
|
|
if( granularity == 0 ) // this is a hack to fix our memset classes
|
|
{
|
|
granularity = 16;
|
|
}
|
|
newsize = size + granularity;
|
|
Resize( newsize - newsize % granularity );
|
|
}
|
|
|
|
if( index < 0 )
|
|
{
|
|
index = 0;
|
|
}
|
|
else if( index > num )
|
|
{
|
|
index = num;
|
|
}
|
|
for( int i = num; i > index; --i )
|
|
{
|
|
list[i] = list[i - 1];
|
|
}
|
|
num++;
|
|
list[index] = obj;
|
|
return index;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::Append
|
|
|
|
adds the other list to this one
|
|
|
|
Returns the size of the new combined list
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE int idList<_type_, _tag_>::Append( const idList< _type_, _tag_ >& other )
|
|
{
|
|
if( !list )
|
|
{
|
|
if( granularity == 0 ) // this is a hack to fix our memset classes
|
|
{
|
|
granularity = 16;
|
|
}
|
|
Resize( granularity );
|
|
}
|
|
|
|
int n = other.Num();
|
|
for( int i = 0; i < n; i++ )
|
|
{
|
|
Append( other[i] );
|
|
}
|
|
|
|
return Num();
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::AddUnique
|
|
|
|
Adds the data to the list if it doesn't already exist. Returns the index of the data in the list.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE int idList<_type_, _tag_>::AddUnique( _type_ const& obj )
|
|
{
|
|
int index;
|
|
|
|
index = FindIndex( obj );
|
|
if( index < 0 )
|
|
{
|
|
index = Append( obj );
|
|
}
|
|
|
|
return index;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::FindIndex
|
|
|
|
Searches for the specified data in the list and returns it's index. Returns -1 if the data is not found.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE int idList<_type_, _tag_>::FindIndex( _type_ const& obj ) const
|
|
{
|
|
int i;
|
|
|
|
for( i = 0; i < num; i++ )
|
|
{
|
|
if( list[ i ] == obj )
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
|
|
// Not found
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::Find
|
|
|
|
Searches for the specified data in the list and returns it's address. Returns NULL if the data is not found.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE _type_* idList<_type_, _tag_>::Find( _type_ const& obj ) const
|
|
{
|
|
int i;
|
|
|
|
i = FindIndex( obj );
|
|
if( i >= 0 )
|
|
{
|
|
return &list[ i ];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::FindNull
|
|
|
|
Searches for a NULL pointer in the list. Returns -1 if NULL is not found.
|
|
|
|
NOTE: This function can only be called on lists containing pointers. Calling it
|
|
on non-pointer lists will cause a compiler error.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE int idList<_type_, _tag_>::FindNull() const
|
|
{
|
|
int i;
|
|
|
|
for( i = 0; i < num; i++ )
|
|
{
|
|
if( list[ i ] == NULL )
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
|
|
// Not found
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::IndexOf
|
|
|
|
Takes a pointer to an element in the list and returns the index of the element.
|
|
This is NOT a guarantee that the object is really in the list.
|
|
Function will assert in debug builds if pointer is outside the bounds of the list,
|
|
but remains silent in release builds.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE int idList<_type_, _tag_>::IndexOf( _type_ const* objptr ) const
|
|
{
|
|
int index;
|
|
|
|
index = objptr - list;
|
|
|
|
assert( index >= 0 );
|
|
assert( index < num );
|
|
|
|
return index;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::RemoveIndex
|
|
|
|
Removes the element at the specified index and moves all data following the element down to fill in the gap.
|
|
The number of elements in the list is reduced by one. Returns false if the index is outside the bounds of the list.
|
|
Note that the element is not destroyed, so any memory used by it may not be freed until the destruction of the list.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE bool idList<_type_, _tag_>::RemoveIndex( int index )
|
|
{
|
|
int i;
|
|
|
|
assert( list != NULL );
|
|
assert( index >= 0 );
|
|
assert( index < num );
|
|
|
|
if( ( index < 0 ) || ( index >= num ) )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
num--;
|
|
for( i = index; i < num; i++ )
|
|
{
|
|
list[ i ] = list[ i + 1 ];
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idList<_type_,_tag_>::RemoveIndexFast
|
|
|
|
Removes the element at the specified index and moves the last element into its spot, rather
|
|
than moving the whole array down by one. Of course, this doesn't maintain the order of
|
|
elements! The number of elements in the list is reduced by one.
|
|
|
|
return: bool - false if the data is not found in the list.
|
|
|
|
NOTE: The element is not destroyed, so any memory used by it may not be freed until the
|
|
destruction of the list.
|
|
========================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE bool idList<_type_, _tag_>::RemoveIndexFast( int index )
|
|
{
|
|
|
|
if( ( index < 0 ) || ( index >= num ) )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
num--;
|
|
if( index != num )
|
|
{
|
|
list[ index ] = list[ num ];
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idList<_type_,_tag_>::Remove
|
|
|
|
Removes the element if it is found within the list and moves all data following the element down to fill in the gap.
|
|
The number of elements in the list is reduced by one. Returns false if the data is not found in the list. Note that
|
|
the element is not destroyed, so any memory used by it may not be freed until the destruction of the list.
|
|
================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE bool idList<_type_, _tag_>::Remove( _type_ const& obj )
|
|
{
|
|
int index;
|
|
|
|
index = FindIndex( obj );
|
|
if( index >= 0 )
|
|
{
|
|
return RemoveIndex( index );
|
|
}
|
|
|
|
return false;
|
|
}
|
|
//
|
|
///*
|
|
//================
|
|
//idList<_type_,_tag_>::Sort
|
|
//
|
|
//Performs a qsort on the list using the supplied comparison function. Note that the data is merely moved around the
|
|
//list, so any pointers to data within the list may no longer be valid.
|
|
//================
|
|
//*/
|
|
//template< typename _type_, memTag_t _tag_ >
|
|
//ID_INLINE void idList<_type_,_tag_>::Sort( cmp_t *compare ) {
|
|
// if ( !list ) {
|
|
// return;
|
|
// }
|
|
// typedef int cmp_c(const void *, const void *);
|
|
//
|
|
// cmp_c *vCompare = (cmp_c *)compare;
|
|
// qsort( ( void * )list, ( size_t )num, sizeof( _type_ ), vCompare );
|
|
//}
|
|
|
|
/*
|
|
========================
|
|
idList<_type_,_tag_>::SortWithTemplate
|
|
|
|
Performs a QuickSort on the list using the supplied sort algorithm.
|
|
|
|
Note: The data is merely moved around the list, so any pointers to data within the list may
|
|
no longer be valid.
|
|
========================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_ >
|
|
ID_INLINE void idList<_type_, _tag_>::SortWithTemplate( const idSort<_type_>& sort )
|
|
{
|
|
if( list == NULL )
|
|
{
|
|
return;
|
|
}
|
|
sort.Sort( Ptr(), Num() );
|
|
}
|
|
//
|
|
///*
|
|
//================
|
|
//idList<_type_,_tag_>::SortSubSection
|
|
//
|
|
//Sorts a subsection of the list.
|
|
//================
|
|
//*/
|
|
//template< typename _type_, memTag_t _tag_ >
|
|
//ID_INLINE void idList<_type_,_tag_>::SortSubSection( int startIndex, int endIndex, cmp_t *compare ) {
|
|
// if ( !list ) {
|
|
// return;
|
|
// }
|
|
// if ( startIndex < 0 ) {
|
|
// startIndex = 0;
|
|
// }
|
|
// if ( endIndex >= num ) {
|
|
// endIndex = num - 1;
|
|
// }
|
|
// if ( startIndex >= endIndex ) {
|
|
// return;
|
|
// }
|
|
// typedef int cmp_c(const void *, const void *);
|
|
//
|
|
// cmp_c *vCompare = (cmp_c *)compare;
|
|
// qsort( ( void * )( &list[startIndex] ), ( size_t )( endIndex - startIndex + 1 ), sizeof( _type_ ), vCompare );
|
|
//}
|
|
|
|
/*
|
|
========================
|
|
FindFromGeneric
|
|
|
|
Finds an item in a list based on any another datatype. Your _type_ must overload operator()== for the _type_.
|
|
If your _type_ is a ptr, use the FindFromGenericPtr function instead.
|
|
========================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_, typename _compare_type_ >
|
|
_type_* FindFromGeneric( idList<_type_, _tag_>& list, const _compare_type_ & other )
|
|
{
|
|
for( int i = 0; i < list.Num(); i++ )
|
|
{
|
|
if( list[ i ] == other )
|
|
{
|
|
return &list[ i ];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
FindFromGenericPtr
|
|
========================
|
|
*/
|
|
template< typename _type_, memTag_t _tag_, typename _compare_type_ >
|
|
_type_* FindFromGenericPtr( idList<_type_, _tag_>& list, const _compare_type_ & other )
|
|
{
|
|
for( int i = 0; i < list.Num(); i++ )
|
|
{
|
|
if( *list[ i ] == other )
|
|
{
|
|
return &list[ i ];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
#endif /* !__LIST_H__ */
|