mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-11 01:40:13 +00:00
101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This program 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
|
|
|
|
#ifndef RYAI_STATIC_VECTOR_H
|
|
#define RYAI_STATIC_VECTOR_H
|
|
|
|
|
|
/*
|
|
|
|
This class implements an array of entities of any derived class of a given base class
|
|
The entities are allocated in a single memory block.
|
|
|
|
*/
|
|
|
|
// not the way to use templates .. ( bad generalisation implementation ).
|
|
|
|
/*
|
|
template <class BaseClass>
|
|
class StaticVector
|
|
{
|
|
public:
|
|
// ctor & dtor --------------------------------------------------
|
|
StaticVector(): _data(0), _count(0), _size(0) {}
|
|
~StaticVector() { if (_data) delete[] _data; }
|
|
|
|
// allocate memory and initialise objects -----------------------
|
|
template <class DerivedClass>
|
|
void init(uint count,DerivedClass *&dc)
|
|
{
|
|
nlassert(_data==NULL);
|
|
_count=count;
|
|
|
|
_data=(BaseClass*)malloc(count*sizeof(DerivedClass));
|
|
_size=sizeof(DerivedClass);
|
|
nlassert(_data!=NULL);
|
|
|
|
for (uint i=0;i<count;++i)
|
|
{
|
|
// std::construct(&((DerivedClass*)_data)[i], DerivedClass());
|
|
#undef new
|
|
new (&((DerivedClass*)_data)[i]) DerivedClass();
|
|
#define new NL_NEW
|
|
}
|
|
}
|
|
|
|
// destroy array of objects and free memory ---------------------
|
|
void release()
|
|
{
|
|
_count=0;
|
|
_size=0;
|
|
if (_data)
|
|
delete[] _data;
|
|
}
|
|
|
|
// return number of objects in array or 0 if not initialised ----
|
|
uint count() const
|
|
{
|
|
return _count;
|
|
}
|
|
|
|
// [] operator for accessing data -------------------------------
|
|
BaseClass &operator[](uint index) const
|
|
{
|
|
nlassert( index < _count );
|
|
return *(BaseClass *)((char *)_data+index*_size);
|
|
}
|
|
|
|
void setElm(BaseClass *obj, uint index)
|
|
{
|
|
nlassert( index < _count );
|
|
// BaseClass *ptr = (BaseClass *) ((char *)_data+index*_size);
|
|
// memcpy( ptr, obj, _size );
|
|
( *(BaseClass *)((char *)_data+index*_size) ) = *obj;
|
|
}
|
|
|
|
private:
|
|
BaseClass* _data;
|
|
uint _count;
|
|
uint _size;
|
|
|
|
};
|
|
*/
|
|
|
|
#endif
|
|
|