mirror of
https://github.com/DrBeef/JKXR.git
synced 2024-11-23 12:32:26 +00:00
4597b03873
Opens in Android Studio but haven't even tried to build it yet (it won't.. I know that much!)
89 lines
1.8 KiB
C++
89 lines
1.8 KiB
C++
/*
|
|
===========================================================================
|
|
Copyright (C) 2000 - 2013, Raven Software, Inc.
|
|
Copyright (C) 2001 - 2013, Activision, Inc.
|
|
Copyright (C) 2013 - 2015, OpenJK contributors
|
|
|
|
This file is part of the OpenJK source code.
|
|
|
|
OpenJK is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License version 2 as
|
|
published by the Free Software Foundation.
|
|
|
|
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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
===========================================================================
|
|
*/
|
|
|
|
#if !defined(MINIHEAP_H_INC)
|
|
#define MINIHEAP_H_INC
|
|
|
|
|
|
class CMiniHeap
|
|
{
|
|
char *mHeap;
|
|
char *mCurrentHeap;
|
|
int mSize;
|
|
#if _DEBUG
|
|
int mMaxAlloc;
|
|
#endif
|
|
public:
|
|
|
|
// reset the heap back to the start
|
|
void ResetHeap()
|
|
{
|
|
#if _DEBUG
|
|
if ((intptr_t)mCurrentHeap - (intptr_t)mHeap>mMaxAlloc)
|
|
{
|
|
mMaxAlloc=(intptr_t)mCurrentHeap - (intptr_t)mHeap;
|
|
}
|
|
#endif
|
|
mCurrentHeap = mHeap;
|
|
}
|
|
|
|
// initialise the heap
|
|
CMiniHeap(int size)
|
|
{
|
|
mHeap = (char *)Z_Malloc(size, TAG_GHOUL2, qtrue);
|
|
mSize = size;
|
|
#if _DEBUG
|
|
mMaxAlloc=0;
|
|
#endif
|
|
if (mHeap)
|
|
{
|
|
ResetHeap();
|
|
}
|
|
}
|
|
|
|
// free up the heap
|
|
~CMiniHeap()
|
|
{
|
|
if (mHeap)
|
|
{
|
|
// the quake heap will be long gone, no need to free it Z_Free(mHeap);
|
|
}
|
|
}
|
|
|
|
// give me some space from the heap please
|
|
char *MiniHeapAlloc(int size)
|
|
{
|
|
if (size < (mSize - ((intptr_t)mCurrentHeap - (intptr_t)mHeap)))
|
|
{
|
|
char *tempAddress = mCurrentHeap;
|
|
mCurrentHeap += size;
|
|
return tempAddress;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
};
|
|
|
|
extern CMiniHeap *G2VertSpaceServer;
|
|
|
|
|
|
#endif //MINIHEAP_H_INC
|