diff options
Diffstat (limited to 'engines/prince/pscr.cpp')
-rw-r--r-- | engines/prince/pscr.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/engines/prince/pscr.cpp b/engines/prince/pscr.cpp new file mode 100644 index 0000000000..d9d36a3356 --- /dev/null +++ b/engines/prince/pscr.cpp @@ -0,0 +1,75 @@ +/* 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/archive.h" +#include "common/stream.h" + +#include "prince/pscr.h" + +namespace Prince { + +PScr::PScr() : _x(0), _y(0), _step(0), _surface(nullptr) +{ +} + +PScr::~PScr() { + if (_surface != nullptr) { + _surface->free(); + delete _surface; + _surface = nullptr; + } +} + +void PScr::loadSurface(Common::SeekableReadStream &stream) { + stream.skip(4); + int width = stream.readUint16LE(); + int height = stream.readUint16LE(); + _surface = new Graphics::Surface(); + _surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8()); + + for (int h = 0; h < _surface->h; h++) { + stream.read(_surface->getBasePtr(0, h), _surface->w); + } +} + +bool PScr::loadFromStream(Common::SeekableReadStream &stream) { + int32 pos = stream.pos(); + uint16 file = stream.readUint16LE(); + if (file == 0xFFFF) { + return false; + } + _x = stream.readUint16LE(); + _y = stream.readUint16LE(); + _step = stream.readUint16LE(); + + const Common::String pscrStreamName = Common::String::format("PS%02d", file); + Common::SeekableReadStream *pscrStream = SearchMan.createReadStreamForMember(pscrStreamName); + if (pscrStream != nullptr) { + loadSurface(*pscrStream); + } + delete pscrStream; + stream.seek(pos + 12); // size of PScrList struct + + return true; +} + +} // End of namespace Prince |