LogalDeveloper/Minecraft-Overviewer
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added support for loading textures directly out of texture packs

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This commit is contained in:
Aaron Griffith
2011-11-07 16:48:11 -05:00
parent 0d656e274f
commit bca4b9b011
3 changed files with 58 additions and 24 deletions
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64
overviewer_core/textures.py
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@@ -34,6 +34,7 @@ def _find_file(filename, mode="rb", verbose=False):
This searches the following locations in this order:
* the textures_path given in the config file (if present)
this can be either a directory or a zip file (texture pack)
* The program dir (same dir as overviewer.py)
* The overviewer_core/data/textures dir
* On Darwin, in /Applications/Minecraft
@@ -42,34 +43,61 @@ def _find_file(filename, mode="rb", verbose=False):
* On Windows, at %APPDATA%/.minecraft/bin/minecraft.jar
* On Darwin, at $HOME/Library/Application Support/minecraft/bin/minecraft.jar
* at $HOME/.minecraft/bin/minecraft.jar
In all of these, files are searched for in '.', 'misc/', and 'environment/'.
"""
# a list of subdirectories to search for a given file,
# after the obvious '.'
search_dirs = ['misc', 'environment']
search_zip_paths = [filename,] + [d + '/' + filename for d in search_dirs]
def search_dir(base):
"""Search the given base dir for filename, in search_dirs."""
for path in [os.path.join(base, d, filename) for d in ['',] + search_dirs]:
if os.path.isfile(path):
return path
return None
if _find_file_local_path:
path = os.path.join(_find_file_local_path, filename)
if os.path.exists(path):
if verbose: logging.info("Found %s in '%s'", filename, path)
return open(path, mode)
if os.path.isdir(_find_file_local_path):
path = search_dir(_find_file_local_path)
if path:
if verbose: logging.info("Found %s in '%s'", filename, path)
return open(path, mode)
elif os.path.isfile(_find_file_local_path):
try:
pack = zipfile.ZipFile(_find_file_local_path)
for packfilename in search_zip_paths:
try:
pack.getinfo(packfilename)
if verbose: logging.info("Found %s in '%s'", packfilename, _find_file_local_path)
return pack.open(packfilename)
except (KeyError, IOError):
pass
except (zipfile.BadZipfile, IOError):
pass
programdir = util.get_program_path()
path = os.path.join(programdir, filename)
if os.path.exists(path):
path = search_dir(programdir)
if path:
if verbose: logging.info("Found %s in '%s'", filename, path)
return open(path, mode)
path = os.path.join(programdir, "overviewer_core", "data", "textures", filename)
if os.path.exists(path):
path = search_dir(os.path.join(programdir, "overviewer_core", "data", "textures"))
if path:
if verbose: logging.info("Found %s in '%s'", filename, path)
return open(path, mode)
elif hasattr(sys, "frozen") or imp.is_frozen("__main__"):
# windows special case, when the package dir doesn't exist
path = os.path.join(programdir, "textures", filename)
if os.path.exists(path):
path = search_dir(os.path.join(programdir, "textures"))
if path:
if verbose: logging.info("Found %s in '%s'", filename, path)
return open(path, mode)
if sys.platform == "darwin":
path = os.path.join("/Applications/Minecraft", filename)
if os.path.exists(path):
path = search_dir("/Applications/Minecraft")
if path:
if verbose: logging.info("Found %s in '%s'", filename, path)
return open(path, mode)
@@ -91,18 +119,18 @@ def _find_file(filename, mode="rb", verbose=False):
for jarpath in jarpaths:
if os.path.isfile(jarpath):
jar = zipfile.ZipFile(jarpath)
for jarfilename in [filename, 'misc/' + filename, 'environment/' + filename]:
for jarfilename in search_zip_paths:
try:
jar.getinfo(jarfilename)
if verbose: logging.info("Found %s in '%s'", jarfilename, jarpath)
return jar.open(jarfilename)
except (KeyError, IOError), e:
pass
elif os.path.isdir(jarpath):
for jarfilename in [filename, 'misc/' + filename, 'environment/' + filename]:
ondiskfilename = os.path.join(jarpath, jarfilename)
if os.path.isfile(ondiskfilename):
if verbose: logging.info("Found %s in '%s'", jarfilename, jarpath)
return open(ondiskfilename, 'rb')
path = search_dir(jarpath)
if path:
if verbose: logging.info("Found %s in '%s'", filename, path)
return open(path, 'rb')
raise IOError("Could not find the file `{0}'. You can either place it in the same place as overviewer.py, use --textures-path, or install the Minecraft client.".format(filename))