diff options
Diffstat (limited to 'engines/lab/anim.cpp')
| -rw-r--r-- | engines/lab/anim.cpp | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/engines/lab/anim.cpp b/engines/lab/anim.cpp index 7f7e488e9e..6e9b04f7f1 100644 --- a/engines/lab/anim.cpp +++ b/engines/lab/anim.cpp @@ -67,6 +67,10 @@ Anim::Anim(LabEngine *vm) : _vm(vm) { for (int i = 0; i < 3 * 256; i++) _diffPalette[i] = 0; + + _dispBitMap._bytesPerRow = _vm->_graphics->_screenWidth; + _dispBitMap._drawOnScreen = true; + _dispBitMap._buffer = nullptr; } Anim::~Anim() { @@ -74,15 +78,21 @@ Anim::~Anim() { _vm->_anim->_scrollScreenBuffer = nullptr; } +void Anim::setOutputBuffer(byte *memoryBuffer) { + _dispBitMap._bytesPerRow = _vm->_graphics->_screenWidth; + _dispBitMap._drawOnScreen = (memoryBuffer == nullptr); + _dispBitMap._buffer = memoryBuffer; +} + + void Anim::diffNextFrame(bool onlyDiffData) { if (_lastBlockHeader == 65535) // Already done. return; - BitMap *disp = _vm->_graphics->_dispBitMap; - bool drawOnScreen = disp->_drawOnScreen; - byte *startOfBuf = disp->_buffer; - int bufPitch = disp->_bytesPerRow; + bool drawOnScreen = _dispBitMap._drawOnScreen; + byte *startOfBuf = _dispBitMap._buffer; + int bufPitch = _dispBitMap._bytesPerRow; if (drawOnScreen) { startOfBuf = _vm->_graphics->getCurrentDrawingBuffer(); |