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minetestmapper-numpy.py: add minheight and maxheight command line args to prevent drawing node below and above those limits.

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This commit is contained in:
Damien Moore 2014-03-05 23:26:18 -05:00
parent 5caaadcf8a
commit 53c5e01490
1 changed files with 14 additions and 5 deletions
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19
util/minetestmapper-numpy.py
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@ -126,6 +126,8 @@ def parse_args():
parser.add_argument('--draworigin',action='store_const', const = True, default = False)
parser.add_argument('--drawunderground',action = 'store_const', const = True, default = False)
parser.add_argument('--region', nargs=4, type = int, metavar = ('XMIN','XMAX','ZMIN','ZMAX'), default = (-2000,2000,-2000,2000),help = 'set the bounding x,z coordinates for the map (units are nodes)')
parser.add_argument('--maxheight', type = int, metavar = ('YMAX'),help = 'don\'t draw above height YMAX')
parser.add_argument('--minheight', type = int, metavar = ('YMIN'),help = 'don\'t draw below height YMIN')
parser.add_argument('world_dir')
parser.add_argument('output',nargs='?',default='map.png')
args = parser.parse_args()
@ -266,7 +268,7 @@ def read_content(mapdata, version, datapos=None):
raise Exception("Unsupported map format: " + str(version))
def read_mapdata(mapdata, version, ypos, plist, cdata, hdata, dnddata, day_night_differs, id_map, ignore, air):
def read_mapdata(mapdata, version, ypos, maxy, plist, cdata, hdata, dnddata, day_night_differs, id_map, ignore, air):
if(len(mapdata) < 4096):
print("bad: " + xhex + "/" + zhex + "/" + yhex + " " + \
str(len(mapdata)))
@ -287,7 +289,7 @@ def read_mapdata(mapdata, version, ypos, plist, cdata, hdata, dnddata, day_night
# dnddata[po] = day_night_differs
# plist = plist[po]
y=15
y=maxy
while len(plist)>0 and y>=0:
content = mapdata[y][plist]
# content = id_func(mapdata[y][plist])
@ -349,8 +351,10 @@ def read_map_data(args,cur,map_info,str_to_uid,xlist,zlist,minx,maxx,minz,maxz):
sectortype = ""
if cur:
psmin = getBlockAsInteger((xpos, -2048, zpos))
psmax = getBlockAsInteger((xpos, 2047, zpos))
ymin = -2048 if args.minheight is None else args.minheight/16+1
ymax = 2047 if args.maxheight is None else args.maxheight/16+1
psmin = getBlockAsInteger((xpos, ymin, zpos))
psmax = getBlockAsInteger((xpos, ymax, zpos))
cur.execute("SELECT `pos` FROM `blocks` WHERE `pos`>=? AND `pos`<=? AND (`pos` - ?) % 4096 = 0", (psmin, psmax, psmin))
while True:
r = cur.fetchone()
@ -534,7 +538,12 @@ def read_map_data(args,cur,map_info,str_to_uid,xlist,zlist,minx,maxx,minz,maxz):
readU16(f)
readS32(f)
readS32(f)
plist = read_mapdata(mapdata, version, ypos, plist, cdata, hdata, dnddata, day_night_differs, id_map, ignore, air)
maxy = 15
if args.maxheight is not None:
if ypos*16 + 15 > args.maxheight:
maxy = args.maxheight - ypos*16
if maxy>=0:
plist = read_mapdata(mapdata, version, ypos, maxy, plist, cdata, hdata, dnddata, day_night_differs, id_map, ignore, air)
# After finding all the pixels in the sector, we can move on to
# the next sector without having to continue the Y axis.
if len(plist) == 0 or ypos==ylist[0]: