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Diffstat (limited to 'engines/prince/mhwanh.cpp')
-rw-r--r-- | engines/prince/mhwanh.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/engines/prince/mhwanh.cpp b/engines/prince/mhwanh.cpp new file mode 100644 index 0000000000..ef94ef71f9 --- /dev/null +++ b/engines/prince/mhwanh.cpp @@ -0,0 +1,71 @@ +/* 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/stream.h" + +#include "graphics/surface.h" + +#include "prince/mhwanh.h" + +namespace Prince { + +MhwanhDecoder::MhwanhDecoder() : _surface(nullptr), _palette(nullptr) { +} + +MhwanhDecoder::~MhwanhDecoder() { + destroy(); +} + +void MhwanhDecoder::destroy() { + if (_surface != nullptr) { + _surface->free(); + delete _surface; + _surface = nullptr; + } + if (_palette != nullptr) { + free(_palette); + _palette = nullptr; + } +} + +bool MhwanhDecoder::loadStream(Common::SeekableReadStream &stream) { + destroy(); + stream.seek(0); + stream.skip(0x20); + // Read the palette + _palette = (byte *)malloc(kPaletteColorCount * 3); + for (uint16 i = 0; i < kPaletteColorCount; i++) { + _palette[i * 3] = stream.readByte(); + _palette[i * 3 + 1] = stream.readByte(); + _palette[i * 3 + 2] = stream.readByte(); + } + + _surface = new Graphics::Surface(); + _surface->create(640, 480, Graphics::PixelFormat::createFormatCLUT8()); + for (int h = 0; h < 480; h++) { + stream.read(_surface->getBasePtr(0, h), 640); + } + + return true; +} + +} // End of namespace Prince |