LogalDeveloper/Minecraft-Overviewer
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won't render tiles that would otherwise be blank.

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This cuts down on the number of files outputted and the total size.
This commit is contained in:
Andrew Brown
2010-09-05 13:58:50 -04:00
parent e5edfcbac8
commit ed8ea421fc
3 changed files with 36 additions and 12 deletions
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44
world.py
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@@ -214,7 +214,8 @@ def render_worldtile(chunkmap, colstart, colend, rowstart, rowend):
method returns a chunk filename path (a multiprocessing.pool.AsyncResult
object) as returned from render_chunks_async()
The image object is returned.
The image object is returned. Unless no tiles were found, then None is
returned.
"""
# width of one chunk is 384. Each column is half a chunk wide. The total
# width is (384 + 192*(numcols-1)) since the first column contributes full
@@ -246,11 +247,13 @@ def render_worldtile(chunkmap, colstart, colend, rowstart, rowend):
# this (since very few chunks actually touch the top of the sky, some tiles
# way above this one are possibly visible in this tile). Render them
# anyways just in case)
count = 0
for row in xrange(rowstart-16, rowend+1):
for col in xrange(colstart, colend+1):
chunkresult = chunkmap.get((col, row), None)
if not chunkresult:
continue
count += 1
chunkfile = chunkresult.get()
chunkimg = Image.open(chunkfile)
@@ -262,6 +265,8 @@ def render_worldtile(chunkmap, colstart, colend, rowstart, rowend):
tileimg.paste(chunkimg.convert("RGB"), (xpos, ypos), chunkimg)
if count == 0:
return None
return tileimg
def generate_quadtree(chunkmap, colstart, colend, rowstart, rowend, prefix, quadrent="base"):
@@ -302,6 +307,9 @@ def generate_quadtree(chunkmap, colstart, colend, rowstart, rowend, prefix, quad
The return from this function is the path to the file saved, unless it's
the base call. In that case, it outputs the power of 2 that was used to
size the full image, which is the zoom level.
Additionally, if the function would otherwise have rendered a blank image,
the image is not saved and None is returned.
"""
#print "Called with {0},{1} {2},{3}".format(colstart, colend, rowstart, rowend)
#print " prefix:", prefix
@@ -379,23 +387,35 @@ def generate_quadtree(chunkmap, colstart, colend, rowstart, rowend, prefix, quad
colmid, colend, rowmid, rowend,
newprefix, "3")
quad0 = Image.open(quad0file).resize((192,192), Image.ANTIALIAS)
quad1 = Image.open(quad1file).resize((192,192), Image.ANTIALIAS)
quad2 = Image.open(quad2file).resize((192,192), Image.ANTIALIAS)
quad3 = Image.open(quad3file).resize((192,192), Image.ANTIALIAS)
count = 0
if quad0file:
quad0 = Image.open(quad0file).resize((192,192), Image.ANTIALIAS)
img.paste(quad0, (0,0))
count += 1
if quad1file:
quad1 = Image.open(quad1file).resize((192,192), Image.ANTIALIAS)
img.paste(quad1, (192,0))
count += 1
if quad2file:
quad2 = Image.open(quad2file).resize((192,192), Image.ANTIALIAS)
img.paste(quad2, (0, 192))
count += 1
if quad3file:
quad3 = Image.open(quad3file).resize((192,192), Image.ANTIALIAS)
img.paste(quad3, (192, 192))
count += 1
img.paste(quad0, (0,0))
img.paste(quad1, (192,0))
img.paste(quad2, (0, 192))
img.paste(quad3, (192, 192))
if count == 0:
img = None
# Save the image
path = os.path.join(prefix, quadrent+".png")
img.save(path)
if img:
path = os.path.join(prefix, quadrent+".png")
img.save(path)
if quadrent == "base":
# Return the power (number of zoom levels)
return p
else:
# Return its location
return path
return path if img else None