scummvm/engines/saga2/oncall.h
2021-07-01 01:37:29 +02:00

69 lines
1.9 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* aint32 with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
* Based on the original sources
* Faery Tale II -- The Halls of the Dead
* (c) 1993-1996 The Wyrmkeep Entertainment Co.
*/
#ifndef SAGA2_ONCALL_H
#define SAGA2_ONCALL_H
#include "saga2/bitarray.h"
namespace Saga2 {
#define isValidPtr(p) ((p!=NULL)&&(p!=(void *)0xCDCDCDCD))
class HandleArray {
private:
Common::Array<byte*> _handles;
uint32 _tileID;
byte*(*_loader)(hResID, bool);
public:
HandleArray(uint16 size, byte*(*loadfunction)(hResID, bool), uint32 newID) {
for (int i = 0; i < size; ++i)
_handles.push_back(nullptr);
_loader = loadfunction;
_tileID = newID;
}
void flush() {
for (unsigned int i = 0; i < _handles.size(); ++i) {
if (_handles[i]) {
free(_handles[i]);
_handles[i] = nullptr;
}
}
}
byte *operator[](uint32 ind) {
if (_handles[ind])
return _handles[ind];
return _handles[ind] = _loader(_tileID + MKTAG(0, 0, 0, ind), false);
}
};
} // end of namespace Saga2
#endif