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Diffstat (limited to 'kyra/wsamovie.cpp')
| -rw-r--r-- | kyra/wsamovie.cpp | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/kyra/wsamovie.cpp b/kyra/wsamovie.cpp deleted file mode 100644 index 17fe3f8cb2..0000000000 --- a/kyra/wsamovie.cpp +++ /dev/null @@ -1,206 +0,0 @@ -/* ScummVM - Scumm Interpreter - * Copyright (C) 2004-2006 The ScummVM project - * - * 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. - * - * $URL$ - * $Id$ - * - */ - -#include "common/stdafx.h" -#include "kyra/kyra.h" -#include "kyra/screen.h" -#include "kyra/wsamovie.h" - - -namespace Kyra { -WSAMovieV1::WSAMovieV1(KyraEngine *vm) : Movie(vm) {} -WSAMovieV1::~WSAMovieV1() { close(); } - -void WSAMovieV1::open(const char *filename, int offscreenDecode, uint8 *palBuf) { - debug(9, "WSAMovieV1::open('%s', %d, 0x%X)", filename, offscreenDecode, palBuf); - close(); - - uint32 flags = 0; - uint32 fileSize; - uint8 *p = _vm->resource()->fileData(filename, &fileSize); - if (!p) - return; - - const uint8 *wsaData = p; - _numFrames = READ_LE_UINT16(wsaData); wsaData += 2; - _width = READ_LE_UINT16(wsaData); wsaData += 2; - _height = READ_LE_UINT16(wsaData); wsaData += 2; - _deltaBufferSize = READ_LE_UINT16(wsaData); wsaData += 2; - _offscreenBuffer = NULL; - _flags = 0; - if (_vm->features() & GF_TALKIE) { - flags = READ_LE_UINT16(wsaData); wsaData += 2; - } - - uint32 offsPal = 0; - if (flags & 1) { - offsPal = 0x300; - _flags |= WF_HAS_PALETTE; - if (palBuf) { - memcpy(palBuf, wsaData + (_numFrames + 2) * 4, 0x300); - } - } - - if (offscreenDecode) { - _flags |= WF_OFFSCREEN_DECODE; - const int offscreenBufferSize = _width * _height; - _offscreenBuffer = new uint8[offscreenBufferSize]; - memset(_offscreenBuffer, 0, offscreenBufferSize); - } - - if (_numFrames & 0x8000) { - warning("Unhandled wsa flags 0x80"); - _flags |= 0x80; - _numFrames &= 0x7FFF; - } - _currentFrame = _numFrames; - - _deltaBuffer = new uint8[_deltaBufferSize]; - memset(_deltaBuffer, 0, _deltaBufferSize); - - // read frame offsets - _frameOffsTable = new uint32[_numFrames + 2]; - _frameOffsTable[0] = 0; - uint32 frameDataOffs = READ_LE_UINT32(wsaData); wsaData += 4; - bool firstFrame = true; - if (frameDataOffs == 0) { - firstFrame = false; - frameDataOffs = READ_LE_UINT32(wsaData); - _flags |= WF_NO_FIRST_FRAME; - } - for (int i = 1; i < _numFrames + 2; ++i) { - _frameOffsTable[i] = READ_LE_UINT32(wsaData) - frameDataOffs; - wsaData += 4; - } - - // skip palette - wsaData += offsPal; - - // read frame data - const int frameDataSize = p + fileSize - wsaData; - _frameData = new uint8[frameDataSize]; - memcpy(_frameData, wsaData, frameDataSize); - - // decode first frame - if (firstFrame) { - Screen::decodeFrame4(_frameData, _deltaBuffer, _deltaBufferSize); - } - - delete [] p; - _opened = true; -} - -void WSAMovieV1::close() { - debug(9, "WSAMovieV1::close()"); - if (_opened) { - delete [] _deltaBuffer; - delete [] _offscreenBuffer; - delete [] _frameOffsTable; - delete [] _frameData; - _opened = false; - } -} - -void WSAMovieV1::displayFrame(int frameNum) { - debug(9, "WSAMovieV1::displayFrame(%d)", frameNum); - if (frameNum >= _numFrames || !_opened) - return; - - uint8 *dst; - if (_flags & WF_OFFSCREEN_DECODE) { - dst = _offscreenBuffer; - } else { - dst = _vm->screen()->getPagePtr(_drawPage) + _y * Screen::SCREEN_W + _x; - } - - if (_currentFrame == _numFrames) { - if (!(_flags & WF_NO_FIRST_FRAME)) { - if (_flags & WF_OFFSCREEN_DECODE) { - Screen::decodeFrameDelta(dst, _deltaBuffer); - } else { - Screen::decodeFrameDeltaPage(dst, _deltaBuffer, _width, 1); - } - } - _currentFrame = 0; - } - - // try to reduce the number of needed frame operations - int diffCount = ABS(_currentFrame - frameNum); - int frameStep = 1; - int frameCount; - if (_currentFrame < frameNum) { - frameCount = _numFrames - frameNum + _currentFrame; - if (diffCount > frameCount) { - frameStep = -1; - } else { - frameCount = diffCount; - } - } else { - frameCount = _numFrames - _currentFrame + frameNum; - if (frameCount >= diffCount) { - frameStep = -1; - frameCount = diffCount; - } - } - - // process - if (frameStep > 0) { - uint16 cf = _currentFrame; - while (frameCount--) { - cf += frameStep; - processFrame(cf, dst); - if (cf == _numFrames) { - cf = 0; - } - } - } else { - uint16 cf = _currentFrame; - while (frameCount--) { - if (cf == 0) { - cf = _numFrames; - } - processFrame(cf, dst); - cf += frameStep; - } - } - - // display - _currentFrame = frameNum; - if (_flags & WF_OFFSCREEN_DECODE) { - _vm->screen()->copyBlockToPage(_drawPage, _x, _y, _width, _height, _offscreenBuffer); - } -} - -void WSAMovieV1::processFrame(int frameNum, uint8 *dst) { - debug(9, "WSAMovieV1::processFrame(%d, 0x%X)", frameNum, dst); - if (!_opened) - return; - assert(frameNum <= _numFrames); - const uint8 *src = _frameData + _frameOffsTable[frameNum]; - Screen::decodeFrame4(src, _deltaBuffer, _deltaBufferSize); - if (_flags & WF_OFFSCREEN_DECODE) { - Screen::decodeFrameDelta(dst, _deltaBuffer); - } else { - Screen::decodeFrameDeltaPage(dst, _deltaBuffer, _width, 0); - } -} -} // end of namespace Kyra |