dave/openttd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix rounding of right edge of viewport mark dirty area

Browse Source 
Could result in vehicles leaving pixels behind when moving left
This commit is contained in:
Jonathan G Rennison
2024-02-03 14:57:15 +00:00
parent 41299128e5
commit 28b156d95c
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/viewport.cpp
View File

@@ -4392,7 +4392,7 @@ void MarkViewportDirty(Viewport * const vp, int left, int top, int right, int bo
uint x = std::max<int>(0, UnScaleByZoomLower(left, vp->zoom) - vp->dirty_block_left_margin) >> vp->GetDirtyBlockWidthShift(); uint x = std::max<int>(0, UnScaleByZoomLower(left, vp->zoom) - vp->dirty_block_left_margin) >> vp->GetDirtyBlockWidthShift();
uint y = UnScaleByZoomLower(top, vp->zoom) >> vp->GetDirtyBlockHeightShift(); uint y = UnScaleByZoomLower(top, vp->zoom) >> vp->GetDirtyBlockHeightShift();
uint w = (std::max<int>(0, UnScaleByZoomLower(right, vp->zoom) - 1 - vp->dirty_block_left_margin) >> vp->GetDirtyBlockWidthShift()) + 1 - x; uint w = (std::max<int>(0, UnScaleByZoom(right, vp->zoom) - 1 - vp->dirty_block_left_margin) >> vp->GetDirtyBlockWidthShift()) + 1 - x;
uint h = ((UnScaleByZoom(bottom, vp->zoom) - 1) >> vp->GetDirtyBlockHeightShift()) + 1 - y; uint h = ((UnScaleByZoom(bottom, vp->zoom) - 1) >> vp->GetDirtyBlockHeightShift()) + 1 - y;
uint column_skip = vp->dirty_blocks_per_column - h; uint column_skip = vp->dirty_blocks_per_column - h;