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Diffstat (limited to 'engines/neverhood/smackerplayer.cpp')
| -rw-r--r-- | engines/neverhood/smackerplayer.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/engines/neverhood/smackerplayer.cpp b/engines/neverhood/smackerplayer.cpp new file mode 100644 index 0000000000..b67c8db9fc --- /dev/null +++ b/engines/neverhood/smackerplayer.cpp @@ -0,0 +1,237 @@ +/* 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 "graphics/palette.h" +#include "neverhood/smackerplayer.h" +#include "neverhood/palette.h" +#include "neverhood/resourceman.h" +#include "neverhood/scene.h" + +namespace Neverhood { + +// SmackerSurface + +SmackerSurface::SmackerSurface(NeverhoodEngine *vm) + : BaseSurface(vm, 0, 0, 0), _smackerFrame(NULL) { +} + +void SmackerSurface::draw() { + if (_smackerFrame && _visible && _drawRect.width > 0 && _drawRect.height > 0) + _vm->_screen->drawSurface2(_smackerFrame, _drawRect, _clipRect, false, ++_version); +} + +void SmackerSurface::setSmackerFrame(const Graphics::Surface *smackerFrame) { + _drawRect.x = 0; + _drawRect.y = 0; + _drawRect.width = smackerFrame->w; + _drawRect.height = smackerFrame->h; + _sysRect.x = 0; + _sysRect.y = 0; + _sysRect.width = (smackerFrame->w + 3) & 0xFFFC; // align by 4 bytes + _sysRect.height = smackerFrame->h; + _smackerFrame = smackerFrame; +} + +// SmackerDoubleSurface + +SmackerDoubleSurface::SmackerDoubleSurface(NeverhoodEngine *vm) + : SmackerSurface(vm) { +} + +void SmackerDoubleSurface::draw() { + if (_smackerFrame && _visible && _drawRect.width > 0 && _drawRect.height > 0) + _vm->_screen->drawDoubleSurface2(_smackerFrame, _drawRect); +} + +void NeverhoodSmackerDecoder::forceSeekToFrame(uint frame) { + if (!isVideoLoaded()) + return; + + if (frame >= getFrameCount()) + error("Can't force Smacker seek to invalid frame %d", frame); + + if (_header.audioInfo[0].hasAudio) + error("Can't force Smacker frame seek with audio"); + if (!rewind()) + error("Failed to rewind"); + + SmackerVideoTrack *videoTrack = (SmackerVideoTrack *)getTrack(0); + uint32 offset = 0; + for (uint32 i = 0; i < frame; i++) { + videoTrack->increaseCurFrame(); + offset += _frameSizes[i] & ~3; + } + + _fileStream->seek(offset, SEEK_CUR); +} + +// SmackerPlayer + +SmackerPlayer::SmackerPlayer(NeverhoodEngine *vm, Scene *scene, uint32 fileHash, bool doubleSurface, bool flag, bool paused) + : Entity(vm, 0), _scene(scene), _doubleSurface(doubleSurface), _videoDone(false), _paused(paused), + _palette(NULL), _smackerDecoder(NULL), _smackerSurface(NULL), _stream(NULL), _smackerFirst(true), + _drawX(-1), _drawY(-1) { + + SetUpdateHandler(&SmackerPlayer::update); + open(fileHash, flag); +} + +SmackerPlayer::~SmackerPlayer() { + close(); +} + +void SmackerPlayer::open(uint32 fileHash, bool keepLastFrame) { + debug(0, "SmackerPlayer::open(%08X)", fileHash); + + _fileHash = fileHash; + _keepLastFrame = keepLastFrame; + + close(); + + if (_doubleSurface) { + _smackerSurface = new SmackerDoubleSurface(_vm); + } else { + _smackerSurface = new SmackerSurface(_vm); + } + + _smackerFirst = true; + + _stream = _vm->_res->createStream(fileHash); + + _smackerDecoder = new NeverhoodSmackerDecoder(); + _smackerDecoder->loadStream(_stream); + + _palette = new Palette(_vm); + _palette->usePalette(); + + if (!_paused) + _smackerDecoder->start(); + +} + +void SmackerPlayer::close() { + if (_smackerDecoder) + _smackerDecoder->stop(); + delete _smackerDecoder; + delete _palette; + // NOTE The SmackerDecoder deletes the _stream + delete _smackerSurface; + _smackerDecoder = NULL; + _palette = NULL; + _stream = NULL; + _smackerSurface = NULL; +} + +void SmackerPlayer::gotoFrame(int frameNumber) { + if (_smackerDecoder) { + _smackerDecoder->forceSeekToFrame(frameNumber); + _smackerDecoder->decodeNextFrame(); + } +} + +uint32 SmackerPlayer::getFrameCount() { + return _smackerDecoder ? _smackerDecoder->getFrameCount() : 0; +} + +uint32 SmackerPlayer::getFrameNumber() { + return _smackerDecoder ? _smackerDecoder->getCurFrame() : 0; +} + +uint SmackerPlayer::getStatus() { + return 0; +} + +void SmackerPlayer::setDrawPos(int16 x, int16 y) { + _drawX = x; + _drawY = y; + if (_smackerSurface) { + _smackerSurface->getDrawRect().x = _drawX; + _smackerSurface->getDrawRect().y = _drawY; + } +} + +void SmackerPlayer::rewind() { + if (_smackerDecoder) + _smackerDecoder->rewind(); +} + +void SmackerPlayer::update() { + + if (!_smackerDecoder) + return; + + if (_paused) { + if (_smackerFirst) + updateFrame(); + } else { + if (!_smackerDecoder->endOfVideo()) { + updateFrame(); + } else if (!_keepLastFrame) { + // Inform the scene about the end of the video playback + if (_scene) + sendMessage(_scene, 0x3002, 0); + _videoDone = true; + } else { + rewind(); + updateFrame(); + _videoDone = false; + } + } + +} + +void SmackerPlayer::updateFrame() { + const Graphics::Surface *smackerFrame = _smackerDecoder->decodeNextFrame(); + + if (_smackerFirst) { + _smackerSurface->setSmackerFrame(smackerFrame); + if (_drawX < 0 || _drawY < 0) { + if (_doubleSurface) { + _drawX = 320 - _smackerDecoder->getWidth(); + _drawY = 240 - _smackerDecoder->getHeight(); + } else { + _drawX = (640 - _smackerDecoder->getWidth()) / 2; + _drawY = (480 - _smackerDecoder->getHeight()) / 2; + } + } + _smackerSurface->getDrawRect().x = _drawX; + _smackerSurface->getDrawRect().y = _drawY; + _smackerFirst = false; + } + + if (_smackerDecoder->hasDirtyPalette()) + updatePalette(); + +} + +void SmackerPlayer::updatePalette() { + byte tempPalette[1024]; + const byte *smackerPalette = _smackerDecoder->getPalette(); + for (int i = 0; i < 256; i++) { + tempPalette[i * 4 + 0] = smackerPalette[i * 3 + 0]; + tempPalette[i * 4 + 1] = smackerPalette[i * 3 + 1]; + tempPalette[i * 4 + 2] = smackerPalette[i * 3 + 2]; + } + _palette->copyPalette(tempPalette, 0, 256, 0); +} + +} // End of namespace Neverhood |