diff options
Diffstat (limited to 'engines/gob/coktelvideo.cpp')
-rw-r--r-- | engines/gob/coktelvideo.cpp | 85 |
1 files changed, 64 insertions, 21 deletions
diff --git a/engines/gob/coktelvideo.cpp b/engines/gob/coktelvideo.cpp index c6286fba3b..d508dc75f9 100644 --- a/engines/gob/coktelvideo.cpp +++ b/engines/gob/coktelvideo.cpp @@ -333,41 +333,44 @@ void Imd::waitEndFrame() { g_system->delayMillis(_frameLength); } -void Imd::copyCurrentFrame(byte *dest, uint16 x, uint16 y, uint16 width, int16 transp) { +void Imd::copyCurrentFrame(byte *dest, + uint16 left, uint16 top, uint16 width, uint16 height, + uint16 x, uint16 y, uint16 pitch, int16 transp) { + if (!_vidMem) return; - dest += width * y; + if (((left + width) > _width) || ((top + height) > _height)) + return; - uint16 copyWidth = MIN<int16>(width - x, _width); - uint16 destPitch = width - x; - byte *vidMem = _vidMem; + dest += pitch * y; + byte *vidMem = _vidMem + _width * top; if (transp < 0) { // No transparency - if ((x > 0) || (_width != width)) { + if ((x > 0) || (left > 0) || (pitch != _width) || (width != _width)) { // Copy row-by-row - for (int i = 0; i < _height; i++) { - dest += x; - memcpy(dest, vidMem, copyWidth); - dest += destPitch; + for (int i = 0; i < height; i++) { + byte *d = dest + x; + byte *s = vidMem + left; + + memcpy(d, s, width); + + dest += pitch; vidMem += _width; } - } else // Dimensions fit, copy everything at once - memcpy(dest, _vidMem, _width * _height); + memcpy(dest, vidMem, width * height); return; } - // Transparency, copy per pixel - for (int i = 0; i < _height; i++) { - byte *s = vidMem; - byte *d = dest; + for (int i = 0; i < height; i++) { + byte *d = dest + x; + byte *s = vidMem + left; - d += x; - for (int j = 0; j < _width; j++) { + for (int j = 0; j < width; j++) { if (*s != transp) *d = *s; @@ -375,9 +378,10 @@ void Imd::copyCurrentFrame(byte *dest, uint16 x, uint16 y, uint16 width, int16 t d++; } - dest += width; + dest += pitch; vidMem += _width; } + } void Imd::deleteVidMem(bool del) { @@ -938,9 +942,9 @@ bool Vmd::load(Common::SeekableReadStream &stream) { } else _frameLength = 1000 / _frameRate; - uint32 frameInfoOffset = _stream->readUint32LE(); + _frameInfoOffset = _stream->readUint32LE(); - _stream->seek(frameInfoOffset); + _stream->seek(_frameInfoOffset); _frames = new Frame[_framesCount]; for (uint16 i = 0; i < _framesCount; i++) { _frames[i].parts = new Part[_partsPerFrame]; @@ -1350,4 +1354,43 @@ void Vmd::deDPCM(byte *soundBuf, byte *dataBuf, int16 &init, uint32 n) { } } +bool Vmd::getAnchor(int16 frame, uint16 partType, + int16 &x, int16 &y, int16 &width, int16 &height) { + + uint32 pos = _stream->pos(); + + _stream->seek(_frameInfoOffset); + // Offsets to frames + _stream->skip(_framesCount * 6); + // Jump to the specified frame + _stream->skip(_partsPerFrame * frame * 16); + + // Find the anchor part + uint16 i; + for (i = 0; i < _partsPerFrame; i++) { + byte type = _stream->readByte(); + + if ((type == 0) || (type == partType)) + break; + + _stream->skip(15); + } + + if (i == _partsPerFrame) { + // No anchor + + _stream->seek(pos); + return false; + } + + _stream->skip(5); + x = _stream->readSint16LE(); + y = _stream->readSint16LE(); + width = _stream->readSint16LE() - x + 1; + height = _stream->readSint16LE() - y + 1; + + _stream->seek(pos); + return true; +} + } // End of namespace Gob |