mirror of
https://github.com/1dot13/source.git
synced 2026-09-09 14:46:05 +02:00
- Added missing projects "VFS" & "export" to SVN
git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@4447 3b4a5df2-a311-0410-b5c6-a8a6f20db521
This commit is contained in:
@@ -0,0 +1,94 @@
|
||||
/*
|
||||
* bfVFS : vfs/Tools/vfs_allocator.h
|
||||
* - allocator class to reserve memory blockwise for a larger amount of objects (that have constant size)
|
||||
*
|
||||
* Copyright (C) 2008 - 2010 (BF) john.bf.smith@googlemail.com
|
||||
*
|
||||
* This file is part of the bfVFS library
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library 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
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef _VFS_ALLOCATOR_H_
|
||||
#define _VFS_ALLOCATOR_H_
|
||||
|
||||
#include <vfs/vfs_config.h>
|
||||
#include <vector>
|
||||
|
||||
namespace vfs
|
||||
{
|
||||
// needs to be destructible
|
||||
class VFS_API IAllocator
|
||||
{
|
||||
public:
|
||||
virtual ~IAllocator() {};
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
class VFS_API ObjBlockAllocator : public IAllocator
|
||||
{
|
||||
public:
|
||||
ObjBlockAllocator(unsigned int blockSize=1024)
|
||||
: IAllocator(), BLOCK_SIZE(blockSize), _ObjNew(0) {};
|
||||
const unsigned int BLOCK_SIZE;
|
||||
///
|
||||
T* New(unsigned int *ID = NULL)
|
||||
{
|
||||
unsigned int block_id = _ObjNew/BLOCK_SIZE;
|
||||
unsigned int file_id = _ObjNew % BLOCK_SIZE;
|
||||
if(block_id >= _ObjPool.size())
|
||||
{
|
||||
tBlock* b = new tBlock();
|
||||
b->resize(BLOCK_SIZE);
|
||||
_ObjPool.push_back(b);
|
||||
}
|
||||
tBlock* block = _ObjPool[block_id];
|
||||
T* obj = &(*block)[file_id];
|
||||
if(ID)
|
||||
{
|
||||
*ID = _ObjNew;
|
||||
}
|
||||
_ObjNew++;
|
||||
return obj;
|
||||
}
|
||||
///
|
||||
virtual ~ObjBlockAllocator()
|
||||
{
|
||||
for(unsigned int i = 0; i < _ObjPool.size(); ++i)
|
||||
{
|
||||
delete _ObjPool[i];
|
||||
}
|
||||
}
|
||||
private:
|
||||
void operator=(ObjBlockAllocator<T> const& t);
|
||||
|
||||
typedef std::vector<T> tBlock;
|
||||
std::vector<tBlock*> _ObjPool;
|
||||
unsigned int _ObjNew;
|
||||
};
|
||||
|
||||
|
||||
class VFS_API ObjectAllocator
|
||||
{
|
||||
public:
|
||||
static void registerAllocator(IAllocator* allocator);
|
||||
|
||||
static void clear();
|
||||
private:
|
||||
static std::vector<IAllocator*> _valloc;
|
||||
};
|
||||
} // namespace vfs
|
||||
|
||||
#endif // _VFS_ALLOCATOR_H_
|
||||
Reference in New Issue
Block a user