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Diffstat (limited to 'engines/toltecs/movie.cpp')
| -rw-r--r-- | engines/toltecs/movie.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/engines/toltecs/movie.cpp b/engines/toltecs/movie.cpp new file mode 100644 index 0000000000..ef280fa508 --- /dev/null +++ b/engines/toltecs/movie.cpp @@ -0,0 +1,179 @@ +/* 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/events.h" +#include "common/keyboard.h" +#include "common/file.h" +#include "common/savefile.h" +#include "common/config-manager.h" + +#include "base/plugins.h" +#include "base/version.h" + +#include "sound/mixer.h" + +#include "toltecs/toltecs.h" +#include "toltecs/movie.h" +#include "toltecs/palette.h" +#include "toltecs/resource.h" +#include "toltecs/screen.h" +#include "toltecs/script.h" + +namespace Toltecs { + +MoviePlayer::MoviePlayer(ToltecsEngine *vm) : _vm(vm) { +} + +MoviePlayer::~MoviePlayer() { +} + +void MoviePlayer::playMovie(uint resIndex) { + + uint32 chunkCount, frameCount, subtitleSlot; + byte moviePalette[768]; + + memset(moviePalette, 0, sizeof(moviePalette)); + + _vm->_screen->finishTextDrawItems(); + _vm->_screen->clearSprites(); + + _vm->_arc->openResource(resIndex); + + frameCount = _vm->_arc->readUint32LE(); + chunkCount = _vm->_arc->readUint32LE(); + subtitleSlot = kMaxScriptSlots - 1; + + // TODO: Read/figure out rest of the header + _vm->_arc->seek(0x10, SEEK_CUR); + _vm->_sceneWidth = 640; + _vm->_sceneHeight = 400; + _vm->_cameraHeight = 400; + _vm->_cameraX = 0; + _vm->_cameraY = 0; + + while (chunkCount--) { + + byte chunkType; + uint32 chunkSize; + byte *chunkBuffer; + uint32 movieOffset; + + chunkType = _vm->_arc->readByte(); + chunkSize = _vm->_arc->readUint32LE(); + + debug(0, "chunkType = %d; chunkSize = %d", chunkType, chunkSize); + + chunkBuffer = new byte[chunkSize]; + _vm->_arc->read(chunkBuffer, chunkSize); + + movieOffset = _vm->_arc->pos(); + + switch (chunkType) { + case 0: // image data + case 1: + unpackRle(chunkBuffer, _vm->_screen->_backScreen); + // TODO: Rework this + _vm->_screen->updateShakeScreen(); + _vm->updateInput(); + _vm->updateScreen(); + g_system->delayMillis(80); + break; + case 2: // palette data + unpackPalette(chunkBuffer, moviePalette, 256, 3); + _vm->_palette->setFullPalette(moviePalette); + break; + //case 3: -- what is this type + case 4: // audio data + // TODO: Handle audio data + break; + case 5: + // TODO: Check if the text is a subtitle (last character == 0xFE). + // If so, don't show it if text display is disabled. + memcpy(_vm->_script->getSlotData(subtitleSlot), chunkBuffer, chunkSize); + _vm->_screen->updateTalkText(subtitleSlot, 0); + break; + case 6: // start/stop shakescreen effect + if (chunkBuffer[0] == 0xFF) + _vm->_screen->stopShakeScreen(); + else + _vm->_screen->startShakeScreen(chunkBuffer[0]); + break; + case 7: // setup subtitle parameters + _vm->_screen->_talkTextY = READ_LE_UINT16(&chunkBuffer[0]); + _vm->_screen->_talkTextX = READ_LE_UINT16(&chunkBuffer[2]); + _vm->_screen->_talkTextFontColor = chunkBuffer[4]; + debug(0, "_talkTextX = %d; _talkTextY = %d; _talkTextFontColor = %d", + _vm->_screen->_talkTextX, _vm->_screen->_talkTextY, _vm->_screen->_talkTextFontColor); + break; + case 8: // stop subtitles + _vm->_script->getSlotData(subtitleSlot)[0] = 0xFF; + _vm->_screen->finishTextDrawItems(); + break; + default: + error("Unknown chunk type %d at %08X", chunkType, _vm->_arc->pos() - 5 - chunkSize); + } + + delete[] chunkBuffer; + + _vm->_arc->seek(movieOffset, SEEK_SET); + + } + + _vm->_arc->closeResource(); + +} + +void MoviePlayer::unpackPalette(byte *source, byte *dest, int elemCount, int elemSize) { + int ofs = 0, size = elemCount * elemSize; + while (ofs < size) { + byte len; + len = *source++; + if (len == 0) { + len = *source++; + } else { + byte value = *source++; + memset(dest, value, len); + } + ofs += len; + dest += len; + } +} + +void MoviePlayer::unpackRle(byte *source, byte *dest) { + int size = 256000; + while (size > 0) { + byte a = *source++; + byte b = *source++; + if (a == 0) { + dest += b; + size -= b; + } else { + memset(dest, b, a); + dest += a; + size -= a; + } + } +} + + +} // End of namespace Toltecs |