scummvm/engines/pink/resource_mgr.cpp

80 lines
2.4 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/substream.h"
#include "pink/cel_decoder.h"
#include "pink/file.h"
#include "pink/pink.h"
#include "pink/resource_mgr.h"
#include "pink/sound.h"
#include "pink/objects/pages/game_page.h"
namespace Pink {
ResourceMgr::ResourceMgr()
: _game(nullptr), _resDescTable(nullptr), _resCount(0) {}
ResourceMgr::~ResourceMgr() {
clear();
}
void ResourceMgr::init(PinkEngine *game, Page *page) {
OrbFile *orb = game->getOrb();
_game = game;
ObjectDescription *objDesc = orb->getObjDesc(page->getName().c_str());
_resCount = objDesc->resourcesCount;
orb->loadObject(page, objDesc);
_resDescTable = orb->createResDescTable(objDesc);
debugC(kPinkDebugLoadingResources, "%d Resource descriptions are loaded", _resCount);
}
void ResourceMgr::clear() {
delete[] _resDescTable;
_resDescTable = nullptr;
}
static int resDescComp(const void *a, const void *b) {
return scumm_stricmp((const char *)a, (const char *)b);
}
Common::SafeSeekableSubReadStream *ResourceMgr::getResourceStream(const Common::String &name) {
Common::SeekableReadStream *stream;
ResourceDescription *desc = (ResourceDescription *)bsearch(name.c_str(), _resDescTable, _resCount, sizeof(ResourceDescription), resDescComp);
if (desc->inBro)
stream = _game->getBro();
else
stream = _game->getOrb();
stream->seek(desc->offset);
debugC(kPinkDebugLoadingResources, "Got stream of %s resource", name.c_str());
return new Common::SafeSeekableSubReadStream(stream, desc->offset,
desc->offset + desc->size);
}
} // End of namespace Pink