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DIRECTOR: Reorganize dirty channel conditions

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A condition is also added for stretch of sprite location updates
This commit is contained in:
Nathanael Gentry 2020-07-09 23:56:08 -04:00
parent 9c50f9162c
commit 8276404d23
1 changed files with 10 additions and 5 deletions
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15
engines/director/channel.cpp
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@ -108,15 +108,20 @@ bool Channel::isDirty(Sprite *nextSprite) {
// When a sprite is puppeted setTheSprite ensures that the dirty flag here is
// set. Otherwise, we need to rerender when the position, bounding box, or
// cast of the sprite changes.
if (!nextSprite)
return false;
bool isDirty = _dirty ||
_delta != Common::Point(0, 0) ||
_sprite->_castId != nextSprite->_castId ||
_sprite->_ink != nextSprite->_ink ||
(_sprite->_cast && _sprite->_cast->isModified());
if (nextSprite) {
isDirty |= _sprite->_castId != nextSprite->_castId ||
_sprite->_ink != nextSprite->_ink ||
(_currentPoint != nextSprite->_startPoint &&
!_sprite->_puppet && !_sprite->_moveable);
if (!_sprite->_puppet) {
if (!_sprite->_moveable)
isDirty |= _currentPoint != nextSprite->_startPoint;
if (!_sprite->_stretch)
isDirty |= _width != nextSprite->_width || _height != nextSprite->_height;
}
return isDirty;