LogalDeveloper/Minecraft-Overviewer
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Add JPEG output support.

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This commit is contained in:
Alex Jurkiewicz
2010-09-27 21:51:24 +10:00
parent c07ae135c1
commit f0d6776ad9
2 changed files with 38 additions and 24 deletions
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14
gmap.py
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@@ -32,8 +32,7 @@ import quadtree
helptext = """
%prog [OPTIONS] <World # / Path to World> <tiles dest dir>
%prog -d <World # / Path to World / Path to cache dir> [tiles dest dir]
"""
%prog -d <World # / Path to World / Path to cache dir> [tiles dest dir]"""
def main():
try:
@@ -46,6 +45,7 @@ def main():
parser.add_option("-d", "--delete", dest="delete", help="Clear all caches. Next time you render your world, it will have to start completely over again. This is probably not a good idea for large worlds. Use this if you change texture packs and want to re-render everything.", action="store_true")
parser.add_option("--cachedir", dest="cachedir", help="Sets the directory where the Overviewer will save chunk images, which is an intermediate step before the tiles are generated. You must use the same directory each time to gain any benefit from the cache. If not set, this defaults to your world directory.")
parser.add_option("--chunklist", dest="chunklist", help="A file containing, on each line, a path to a chunkfile to update. Instead of scanning the world directory for chunks, it will just use this list. Normal caching rules still apply.")
parser.add_option("--imgformat", dest="imgformat", help="The image output format to use. Currently supported: png(default), jpg. NOTE: png will always be used as the intermediate image format.")
options, args = parser.parse_args()
@@ -85,12 +85,20 @@ def main():
else:
chunklist = None
if options.imgformat:
if options.imgformat not in ('jpg','png'):
parser.error("Unknown imgformat!")
else:
imgformat = options.imgformat
else:
imgformat = 'png'
# First generate the world's chunk images
w = world.WorldRenderer(worlddir, cachedir, chunklist=chunklist)
w.go(options.procs)
# Now generate the tiles
q = quadtree.QuadtreeGen(w, destdir, depth=options.zoom)
q = quadtree.QuadtreeGen(w, destdir, depth=options.zoom, imgformat=imgformat)
q.go(options.procs)
def delete_all(worlddir, tiledir):

48
quadtree.py
View File

@@ -52,7 +52,7 @@ def catch_keyboardinterrupt(func):
return newfunc
class QuadtreeGen(object):
def __init__(self, worldobj, destdir, depth=None):
def __init__(self, worldobj, destdir, depth=None, imgformat=None):
"""Generates a quadtree from the world given into the
given dest directory
@@ -62,6 +62,9 @@ class QuadtreeGen(object):
minimum depth that contains all chunks is calculated and used.
"""
assert(imgformat)
self.imgformat = imgformat
if depth is None:
# Determine quadtree depth (midpoint is always 0,0)
for p in xrange(15):
@@ -159,8 +162,8 @@ class QuadtreeGen(object):
newdir = "new" + str(dirnum)
newdirpath = getpath(newdir)
files = [str(dirnum)+".png", str(dirnum)+".hash", str(dirnum)]
newfiles = [str(newnum)+".png", str(newnum)+".hash", str(newnum)]
files = [str(dirnum)+"."+imgformat, str(dirnum)+".hash", str(dirnum)]
newfiles = [str(newnum)+"."+imgformat, str(newnum)+".hash", str(newnum)]
os.mkdir(newdirpath)
for f, newf in zip(files, newfiles):
@@ -221,7 +224,7 @@ class QuadtreeGen(object):
# (even if tilechunks is empty, render_worldtile will delete
# existing images if appropriate)
yield pool.apply_async(func=render_worldtile, args= (tilechunks,
colstart, colend, rowstart, rowend, dest))
colstart, colend, rowstart, rowend, dest, self.imgformat))
def _apply_render_inntertile(self, pool, zoom):
"""Same as _apply_render_worltiles but for the inntertile routine.
@@ -233,7 +236,7 @@ class QuadtreeGen(object):
dest = os.path.join(self.destdir, "tiles", *(str(x) for x in path[:-1]))
name = str(path[-1])
yield pool.apply_async(func=render_innertile, args= (dest, name))
yield pool.apply_async(func=render_innertile, args= (dest, name, self.imgformat))
def go(self, procs):
"""Renders all tiles"""
@@ -317,7 +320,7 @@ class QuadtreeGen(object):
pool.join()
# Do the final one right here:
render_innertile(os.path.join(self.destdir, "tiles"), "base")
render_innertile(os.path.join(self.destdir, "tiles"), "base", self.imgformat)
def _get_range_by_path(self, path):
"""Returns the x, y chunk coordinates of this tile"""
@@ -348,28 +351,28 @@ class QuadtreeGen(object):
return chunklist
@catch_keyboardinterrupt
def render_innertile(dest, name):
def render_innertile(dest, name, imgformat):
"""
Renders a tile at os.path.join(dest, name)+".png" by taking tiles from
Renders a tile at os.path.join(dest, name)+".ext" by taking tiles from
os.path.join(dest, name, "{0,1,2,3}.png")
"""
imgpath = os.path.join(dest, name) + ".png"
imgpath = os.path.join(dest, name) + "." + imgformat
hashpath = os.path.join(dest, name) + ".hash"
if name == "base":
q0path = os.path.join(dest, "0.png")
q1path = os.path.join(dest, "1.png")
q2path = os.path.join(dest, "2.png")
q3path = os.path.join(dest, "3.png")
q0path = os.path.join(dest, "0." + imgformat)
q1path = os.path.join(dest, "1." + imgformat)
q2path = os.path.join(dest, "2." + imgformat)
q3path = os.path.join(dest, "3." + imgformat)
q0hash = os.path.join(dest, "0.hash")
q1hash = os.path.join(dest, "1.hash")
q2hash = os.path.join(dest, "2.hash")
q3hash = os.path.join(dest, "3.hash")
else:
q0path = os.path.join(dest, name, "0.png")
q1path = os.path.join(dest, name, "1.png")
q2path = os.path.join(dest, name, "2.png")
q3path = os.path.join(dest, name, "3.png")
q0path = os.path.join(dest, name, "0." + imgformat)
q1path = os.path.join(dest, name, "1." + imgformat)
q2path = os.path.join(dest, name, "2." + imgformat)
q3path = os.path.join(dest, name, "3." + imgformat)
q0hash = os.path.join(dest, name, "0.hash")
q1hash = os.path.join(dest, name, "1.hash")
q2hash = os.path.join(dest, name, "2.hash")
@@ -434,13 +437,16 @@ def render_innertile(dest, name):
img.paste(quad3, (192, 192))
# Save it
img.save(imgpath)
if imgformat == 'jpg':
img.save(imgpath, quality=95, optimize=True)
else: # png
img.save(imgpath)
with open(hashpath, "wb") as hashout:
hashout.write(newhash)
@catch_keyboardinterrupt
def render_worldtile(chunks, colstart, colend, rowstart, rowend, path):
def render_worldtile(chunks, colstart, colend, rowstart, rowend, path, imgformat):
"""Renders just the specified chunks into a tile and save it. Unlike usual
python conventions, rowend and colend are inclusive. Additionally, the
chunks around the edges are half-way cut off (so that neighboring tiles
@@ -449,7 +455,7 @@ def render_worldtile(chunks, colstart, colend, rowstart, rowend, path):
chunks is a list of (col, row, filename) of chunk images that are relevant
to this call
The image is saved to path+".png" and a hash is saved to path+".hash"
The image is saved to path+".ext" and a hash is saved to path+".hash"
If there are no chunks, this tile is not saved (if it already exists, it is
deleted)
@@ -490,7 +496,7 @@ def render_worldtile(chunks, colstart, colend, rowstart, rowend, path):
# Before we render any tiles, check the hash of each image in this tile to
# see if it's changed.
hashpath = path + ".hash"
imgpath = path + ".png"
imgpath = path + "." + imgformat
if not chunks:
# No chunks were found in this tile