LogalDeveloper/Minecraft-Overviewer
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Make chunk to tile coords aware of new north

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This commit is contained in:
Ryan Rector
2011-07-10 06:49:37 -06:00
parent 954fb18a4c
commit 7380ed08de
1 changed files with 19 additions and 7 deletions
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26
world.py
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@@ -69,9 +69,11 @@ class World(object):
mincol = maxcol = minrow = maxrow = 0 mincol = maxcol = minrow = maxrow = 0
def __init__(self, worlddir, useBiomeData=False,regionlist=None): def __init__(self, worlddir, useBiomeData=False,regionlist=None,
north_direction="upper-right"):
self.worlddir = worlddir self.worlddir = worlddir
self.useBiomeData = useBiomeData self.useBiomeData = useBiomeData
self.north_direction = north_direction
#find region files, or load the region list #find region files, or load the region list
#this also caches all the region file header info #this also caches all the region file header info
@@ -182,17 +184,27 @@ class World(object):
in the chunk coordinate system, and figures out the row and column in the chunk coordinate system, and figures out the row and column
in the image each one should be. Returns (col, row).""" in the image each one should be. Returns (col, row)."""
# columns are determined by the sum of the chunk coords, rows are the
# difference (TODO: be able to change direction of north)
# change this function, and you MUST change unconvert_coords # change this function, and you MUST change unconvert_coords
return (chunkx + chunky, chunky - chunkx) if self.north_direction == 'lower-left':
return (chunkx + chunky, chunky - chunkx)
elif self.north_direction == 'lower-right':
return (chunkx + chunky, chunkx - chunky)
elif self.north_direction == 'upper-left':
return (chunkx - chunky, chunkx + chunky)
elif self.north_direction == 'upper-right':
return (chunky - chunkx, chunkx + chunky)
def unconvert_coords(self, col, row): def unconvert_coords(self, col, row):
"""Undoes what convert_coords does. Returns (chunkx, chunky).""" """Undoes what convert_coords does. Returns (chunkx, chunky)."""
# col + row = chunky + chunky => (col + row)/2 = chunky if self.north_direction == 'lower-left':
# col - row = chunkx + chunkx => (col - row)/2 = chunkx return ((col - row) / 2, (row + col) / 2)
return ((col - row) / 2, (col + row) / 2) if self.north_direction == 'lower-right':
return ((col + row) / 2, (col - row) / 2)
if self.north_direction == 'upper-left':
return ((col + row) / 2, (row - col) / 2)
if self.north_direction == 'upper-right':
return ((row - col) / 2, (col + row) / 2)
def findTrueSpawn(self): def findTrueSpawn(self):
"""Adds the true spawn location to self.POI. The spawn Y coordinate """Adds the true spawn location to self.POI. The spawn Y coordinate