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72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/stream.h"
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#include "graphics/surface.h"
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#include "prince/mhwanh.h"
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namespace Prince {
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MhwanhDecoder::MhwanhDecoder() : _surface(nullptr), _palette(nullptr) {
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}
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MhwanhDecoder::~MhwanhDecoder() {
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destroy();
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}
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void MhwanhDecoder::destroy() {
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if (_surface != nullptr) {
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_surface->free();
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delete _surface;
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_surface = nullptr;
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}
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if (_palette != nullptr) {
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free(_palette);
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_palette = nullptr;
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}
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}
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bool MhwanhDecoder::loadStream(Common::SeekableReadStream &stream) {
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destroy();
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stream.seek(0);
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stream.skip(0x20);
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// Read the palette
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_palette = (byte *)malloc(kPaletteColorCount * 3);
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for (uint16 i = 0; i < kPaletteColorCount; i++) {
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_palette[i * 3] = stream.readByte();
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_palette[i * 3 + 1] = stream.readByte();
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_palette[i * 3 + 2] = stream.readByte();
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}
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_surface = new Graphics::Surface();
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_surface->create(640, 480, Graphics::PixelFormat::createFormatCLUT8());
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for (int h = 0; h < 480; h++) {
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stream.read(_surface->getBasePtr(0, h), 640);
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}
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return true;
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}
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} // End of namespace Prince
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