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/* 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
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