LogalDeveloper/Minecraft-Overviewer
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added bounds checking for tiles during scan

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fixes the problem where tiles outside the bounds (which can happen with
-z) would cause tiles to be rendered along the border even though they
have no chunks, causing a warning.
This commit is contained in:
Andrew Brown
2011-11-18 10:01:22 -05:00
parent 4c34e413ab
commit 0be4e8664b
1 changed files with 20 additions and 6 deletions
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26
overviewer_core/quadtree.py
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@@ -518,21 +518,35 @@ class QuadtreeGen(object):
#logging.debug("Looking at chunk %s,%s", chunkcol, chunkrow)
# find tile coordinates
tilex = chunkcol - chunkcol % 2
tiley = chunkrow - chunkrow % 4
tilecol = chunkcol - chunkcol % 2
tilerow = chunkrow - chunkrow % 4
if chunkcol % 2 == 0:
# This chunk is half-in one column and half-in another column.
# tilex is the right one, also do tilex-2, the left one
# tilecol is the right one, also do tilecol-2, the left one
x_tiles = 2
else:
x_tiles = 1
# The tile at tilex,tiley obviously contains chunk, but so do the
# next 4 tiles down because chunks are very tall
# The tile at tilecol,tilerow obviously contains chunk, but so do
# the next 4 tiles down because chunks are very tall
for i in xrange(x_tiles):
for j in xrange(5):
tile = Tile.compute_path(tilex-2*i, tiley+4*j, depth)
c = tilecol - 2*i
r = tilerow + 4*j
# Make sure the tile is in the range according to the given
# depth. This won't happen unless the user has given -z to
# render a smaller area of the map than everything
if (
c < self.mincol or
c >= self.maxcol or
r < self.minrow or
r >= self.maxrow
):
continue
tile = Tile.compute_path(c, r, depth)
if self.forcerender:
dirty.set_dirty(tile.path)