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mapfun.py-e
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mapfun.py-e
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from nbt import NBTFile
from struct import unpack
from zlib import decompress
from StringIO import StringIO
import numpy
#import PIL.Image
import time
from collections import defaultdict
import tilemapping
import os.path
import sys
white = [255,255,255]
grey = [128,128,128]
green = [64,192,64]
brown = [96,64,0]
black = [32,32,32]
darkgrey = [64,64,64]
blue = [64,64,255]
red = [255,64,0]
yellow = [192,192,64]
tan = [255, 192, 128]
gold = [255,255,0]
rosered = [255,0,32]
class TileInfo(object):
def __init__(self, blockid, name, transparent, *texture_frames):
self.name = name
self.blockid = blockid
self.transparent = transparent
# Pad texture_frames out to 16 entries:
self.texture_frames = texture_frames + tuple(texture_frames[0] for i in xrange(16-len(texture_frames)))
all_tileinfo = [
TileInfo(0, "air", True, (2,14,0)),
TileInfo(1, "stone", False, (1,0,0)),
TileInfo(2, "grass", False, (0,0,0)),
TileInfo(3, "dirt", False, (2,0,0)),
TileInfo(4, "cobblestone", False, (0,1,0)),
TileInfo(5, "planks", False, (4,0,0)),
TileInfo(6, "sapling", True, (15,0,0)),
TileInfo(7, "bedrock", False, (1,1,0)),
TileInfo(8, "water", False, (15,13,0)),
TileInfo(9, "water", False, (15,13,0)),
TileInfo(10, "lava", False, (15,15,0)),
TileInfo(11, "lava", False, (15,15,0)),
TileInfo(12, "sand", False, (2,1,0)),
TileInfo(13, "gravel", False, (3,1,0)),
TileInfo(14, "goldore", False, (0,2,0)),
TileInfo(15, "ironore", False, (1,2,0)),
TileInfo(16, "coal", False, (2,2,0)),
TileInfo(17, "log", False, (5,1,0)),
TileInfo(18, "leaves", False, (5,3,0)),
TileInfo(19, "sponge", False, (0,3,0)),
TileInfo(20, "glass", True, (1,3,0)),
TileInfo(21, "lapisore", False, (0,10,0)),
TileInfo(22, "lapis", False, (0,9,0)),
TileInfo(23, "dispenser", False, (14,3,0)),
TileInfo(24, "sandstone", False, (0,12,0)),
TileInfo(25, "note", False, (11,4,0)),
TileInfo(26, "bed", False, (6,8,0)),
TileInfo(27, "powered rail", True, (3,10,1),(3,10,0),(3,10,0),(3,10,0),(3,10,1),(3,10,1),(0,0,0),(0,0,0),(3,11,1),(3,11,0),(3,11,0),(3,11,0),(3,11,1),(3,11,1),(0,0,0),(0,0,0)),
TileInfo(28, "detector rail", True, (3,12,1),(3,12,0),(3,12,0),(3,12,0),(3,12,1),(3,12,1)),
TileInfo(30, "web", True, (11,0,0)),
TileInfo(35, "wool", False, (0,4,0),(2,13,0),(2,12,0),(2,11,0),(2,10,0),(2,9,0),(2,8,0),(2,7,0),(1,14,0),(1,13,0),(1,12,0),(1,11,0),(1,10,0),(1,9,0),(1,8,0),(1,7,0)),
TileInfo(37, "dandelion", True, (13,0,0)),
TileInfo(38, "rose", True, (12,0,0)),
TileInfo(39, "brown mushroom", True, (13,1,0)),
TileInfo(40, "red mushroom", True, (12,1,0)),
TileInfo(41, "gold", False, (7,1,0)),
TileInfo(42, "iron", False, (6,1,0)),
TileInfo(43, "slabs", False, (6,0,0)),
TileInfo(44, "slab", False, (6,0,0)),
TileInfo(45, "brick", False, (7,0,0)),
TileInfo(46, "tnt", False, (9,0,0)),
TileInfo(47, "bookshelf", False, (4,0,0)),
TileInfo(48, "mossy", False, (4,2,0)),
TileInfo(49, "obsidian", False, (5,2,0)),
TileInfo(50, "torch", True, (0,0,0),(10,13,2),(10,13,0),(10,13,3),(10,13,1),(11,13,0)),
TileInfo(51, "fire", True, (15,15,0)),
TileInfo(52, "spawner", False, (1,4,0)),
TileInfo(53, "stairs", False, (4,0,0)),
TileInfo(54, "chest", False, (9,1,0)),
TileInfo(55, "redstone wire", True, (4,6,0)),
TileInfo(56, "diamond ore", False, (2,3,0)),
TileInfo(57, "diamond block", False, (8,2,0)),
TileInfo(58, "crafting table", False, (11,2,0)),
TileInfo(59, "seeds???", False, (6,5,0)),
TileInfo(60, "farmland", False, (6,5,0)),
TileInfo(61, "furnace", False, (14,3,0)),
TileInfo(62, "burning furnace", False, (14,3,0)),
TileInfo(63, "signpost", True, (12,14,1),(11,15,1),(12,15,1),(0,6,0)),
TileInfo(64, "door", True, (1,6,0)),
TileInfo(65, "ladder", True, (0,0,0),(0,0,0),(10,14,1), (10,14,3), (10,14,0), (10,14,2)),
TileInfo(66, "rails", True, (0,8,1),(0,8,0),(0,8,0),(0,8,0),(0,8,1),(0,8,1),(0,7,1),(0,7,2),(0,7,3),(0,7,0)),
TileInfo(67, "cobblestone stairs", False, (0,1,0)),
TileInfo(68, "wall sign", True, (0,0,0),(0,0,0),(11,14,1),(11,14,3),(11,14,0),(11,14,2)),
TileInfo(69, "lever", True, (0,6,0)),
TileInfo(70, "stone pressure plate", True, (1,0,0)),
TileInfo(71, "iron door", True, (2,6,0)),
TileInfo(72, "wooden pressure plate", True, (4,0,0)),
TileInfo(73, "redstone ore", False, (3,3,0)),
TileInfo(74, "glowing redstone ore", False, (3,3,0)),
TileInfo(75, "redstone torch, off", True, (3,7,0)),
TileInfo(76, "redstone torch, on", True, (3,6,0)),
TileInfo(77, "stone button", True, (0,6,0)),
TileInfo(78, "snow", False, (2,4,0)),
TileInfo(79, "ice", False, (3,4,0)),
TileInfo(80, "snow block", False, (2,4,0)),
TileInfo(81, "cactus", True, (5,4,0)),
TileInfo(82, "clay", False, (8,4,0)),
TileInfo(83, "sugar cane", False, (9,4,0)),
TileInfo(84, "jukebox", False, (11,4,0)),
TileInfo(85, "fence", True, (3,5,0)),
TileInfo(86, "pumpkin", False, (6,6,0)),
TileInfo(87, "netherrack", False, (7,6,0)),
TileInfo(88, "soulsand", False, (8,6,0)),
TileInfo(89, "glowstone", False, (9,7,0)),
TileInfo(90, "portal", True, (12,1,0)),
TileInfo(91, "jock-o-lantern", False, (6,6,0)),
TileInfo(92, "cake", True, (9,7,0)),
TileInfo(93, "repeater, off", True, (3,8,0)),
TileInfo(94, "repeater, on", True, (3,9,0)),
TileInfo(95, "locked chest", False, (9,1,0)),
]
tileid_advanced_mapping_array = numpy.zeros((256,16,2), dtype="u1")
tileid_is_transparent = numpy.zeros((256,), dtype="bool")
for tileinfo in all_tileinfo:
tileid_advanced_mapping_array[tileinfo.blockid] = [(x + 16 * (15 - y), r) for (x,y,r) in tileinfo.texture_frames]
tileid_is_transparent[tileinfo.blockid] = tileinfo.transparent
#array([tileinfo.transparent for tileinfo in ])
def arrange_8bit(data):
return numpy.fromstring(data,dtype='u1').reshape((16,16,128))
def arrange_4bit(data):
packed = numpy.fromstring(data,dtype='u1')
unpacked = numpy.zeros((len(data)*2,),dtype='u1')
unpacked[::2] = packed&0xf
unpacked[1::2] = packed>>4
return unpacked.reshape((16,16,128))
def get_chunk(f, x, z, multitimer=None):
#read metadata block
if multitimer!=None:
multitimer.start("reading")
block = 4*(x+z*32)
f.seek(block)
offset, length = unpack(">IB", "\0"+f.read(4))
#print offset
if offset:
f.seek(offset*4096)
bytecount, compression_type = unpack(">IB", f.read(5))
#print bytecount, compression_type
data = f.read(bytecount-1)
if multitimer!=None:
multitimer.start("decompressing")
#print repr(data[:16])
decompressed = decompress(data)
if multitimer!=None:
multitimer.start("parsing")
nbtfile = NBTFile(buffer=StringIO(decompressed))
if multitimer!=None:
multitimer.stop()
return nbtfile
#return NBTFile(fileobj=f)
else:
return None
def read(fname, x, z):
f = open(fname, "rb")
return get_chunk(f, x, z)
class HeightMappedSlice(object):
def __init__(self, chunk, heightmap):
self.blocks = get_cells_using_heightmap(chunk.blocks, heightmap)
self.data = get_cells_using_heightmap(chunk.data, heightmap)
air_heightmap = heightmap + 1
self.skylight = get_cells_using_heightmap(chunk.skylight, air_heightmap)
self.blocklight = get_cells_using_heightmap(chunk.blocklight, air_heightmap)
class VolumeFactory(object):
def __init__(self, timer):
self.timer = timer
def empty_volume(self, dimensions):
data = numpy.zeros(
dimensions,
dtype = [
('blocks', 'u1'),
('data', 'u1'),
('skylight', 'u1'),
('blocklight', 'u1')])
return Volume(data)
def load_chunk(self, nbtfile, volume=None):
if volume is not None:
if volume.dimensions != (16,16,128):
raise TypeError("load_chunk requires a volume that is 16x16x128")
if nbtfile is None:
if volume is None:
return self.empty_volume((16,16,128))
volume.blocks[:,:,:]=0
volume.skylight[:,:,:]=0
volume.blocklight[:,:,:]=0
volume.data[:,:,:]=0
return volume
if volume is None:
volume = self.empty_volume((16,16,128))
level = nbtfile['Level']
self.timer.start("blocks")
volume.blocks[:,:,:] = arrange_8bit(level['Blocks'].value)
self.timer.start("skylight")
volume.skylight[:,:,:] = arrange_4bit(level['SkyLight'].value)
self.timer.start("blocklight")
volume.blocklight[:,:,:] = arrange_4bit(level['BlockLight'].value)
self.timer.start("data")
volume.data[:,:,:] = arrange_4bit(level['Data'].value)
self.timer.stop()
return volume
def load_region(self, fname):
f = open(fname, "rb")
region = self.empty_volume((512,512,128))
chunk = self.empty_volume((16,16,128))
for z in xrange(32):
for x in xrange(32):
self.timer.start("get_chunk")
chunkdata = get_chunk(f, x, z, self.timer)
self.timer.stop()
self.load_chunk(chunkdata, volume=chunk)
self.timer.start("copying")
region[16*x:16*(x+1), 16*z:16*(z+1), :] = chunk
self.timer.stop()
#self.timer.report()
return region
def load_rectangle(self, regiondir, xmin, zmin, xmax, zmax):
chunk_xmin = xmin // 16
chunk_xmax = (xmax + 15) // 16
chunk_zmin = zmin // 16
chunk_zmax = (zmax + 15) // 16
region_files = {}
chunk = self.empty_volume((16,16,128))
volume = self.empty_volume((16*(chunk_xmax-chunk_xmin), 16*(chunk_zmax-chunk_zmin), 128))
for chunkz in xrange(chunk_zmin, chunk_zmax):
for chunkx in xrange(chunk_xmin, chunk_xmax):
fname = "r.{0}.{1}.mcr".format(chunkx//32, chunkz//32)
if fname not in region_files:
try:
region_files[fname] = open(os.path.join(regiondir,fname), "rb")
except:
region_files[fname] = None
f = region_files[fname]
if f is None:
chunkdata = None
else:
self.timer.push("get_chunk")
chunkdata = get_chunk(f, chunkx % 32, chunkz % 32, self.timer)
self.timer.pop()
self.timer.push("load_chunk")
self.load_chunk(chunkdata, volume=chunk)
self.timer.pop()
self.timer.start("copy_chunk_to_volume")
chunkix = chunkx - chunk_xmin
chunkiz = chunkz - chunk_zmin
#print 16*chunkix, 16*(chunkix+1), 16*chunkiz, 16*(chunkiz+1)
volume[16*chunkix:16*(chunkix+1), 16*chunkiz:16*(chunkiz+1), :] = chunk
self.timer.stop()
for f in region_files.values():
if f is not None:
f.close()
return volume
class CellArray(object):
def __init__(self, data):
self._data=data
@property
def dimensions(self):
return self._data.shape
@property
def blocks(self):
return self._data['blocks']
@property
def data(self):
return self._data['data']
@property
def skylight(self):
return self._data['skylight']
@property
def blocklight(self):
return self._data['blocklight']
def __getitem__(self, index):
data = self._data[index]
return type(self)(data)
def __setitem__(self, index, value):
self._data[index] = value._data
class Layer(CellArray):
def get_texture_codes(self, mask=None):
if mask is None:
return tileid_advanced_mapping_array[self.blocks, self.data, 0]
return tileid_advanced_mapping_array[numpy.choose(mask, [numpy.zeros(self.dimensions, dtype='u1'), self.blocks]), self.data, 0]
def get_orientations(self):
return tileid_advanced_mapping_array[self.blocks, self.data, 1]
def render(self, renderdatafactory=None):
if renderdatafactory is None:
renderdatafactory = LayerRenderDataFactory()
renderdata
class LayerRenderData(object):
def __init__(self, data):
self._data=data
@property
def dimensions(self):
return self._data.shape
@property
def texture_code(self):
return self._data['texture_code']
@property
def brightness(self):
return self._data['brightness']
@property
def orientation(self):
return self._data['orientation']
@property
def altitude(self):
return self._data['altitude']
def __getitem__(self, index):
data = self._data[index]
return LayerRenderData(data)
def __setitem__(self, index, value):
self._data[index] = value._data
class LayerRenderDataFactory(object):
def empty_render_data(self, dimensions):
data = numpy.zeros(
dimensions,
dtype = [
('texture_code', 'u1'),
('brightness', 'u1'),
('orientation', 'u1'),
('altitude', 'u1')])
return LayerRenderData(data)
class Volume(CellArray):
@property
def height(self):
return self.dimensions[2]
def heightmap_slice(self, heightmap):
# For solid blocks, use the lighting data of the cell above.
this_layer = get_cells_using_heightmap(self._data, heightmap)
above_layer = get_cells_using_heightmap(self._data, numpy.clip(heightmap + 1, 0, self.height-1))
is_transparent = tileid_is_transparent[this_layer['blocks']]
result = this_layer.copy()
result['skylight'] = numpy.choose(is_transparent, [above_layer['skylight'], this_layer['skylight']])
result['blocklight'] = numpy.choose(is_transparent, [above_layer['blocklight'], this_layer['blocklight']])
return Layer(result)
def get_transparent_item_heights_and_mask(self, low_limit, high_limit):
low_limit_3d = numpy.atleast_3d(low_limit)
high_limit_3d = numpy.atleast_3d(high_limit)
max_height = self.blocks.shape[2]
shape = self.blocks.shape
trimmed_shape = (shape[0], shape[1], shape[2]-1)
cell_depth = numpy.indices(trimmed_shape)[2]
cell_is_selected = numpy.logical_and(cell_depth>=low_limit_3d, cell_depth<high_limit_3d)
selectable_substance = numpy.logical_and(tileid_is_transparent[self.blocks[:,:,:-1]], self.blocks[:,:,:-1] != 0)
potential_blocks = numpy.logical_and(selectable_substance, cell_is_selected)
floor_heights = (max_height-2)-numpy.argmax(potential_blocks[:,:,::-1], axis=2)
mask = get_cells_using_heightmap(potential_blocks, floor_heights)
return numpy.clip(floor_heights, low_limit, high_limit), mask
def get_floor_heights_and_mask(self, low_limit, high_limit, include_transparent=True):
low_limit_3d = numpy.atleast_3d(low_limit)
high_limit_3d = numpy.atleast_3d(high_limit)
max_height = self.blocks.shape[2]
shape = self.blocks.shape
trimmed_shape = (shape[0], shape[1], shape[2]-1)
cell_depth = numpy.indices(trimmed_shape)[2]
cell_is_selected = numpy.logical_and(cell_depth>=low_limit_3d, cell_depth<high_limit_3d)
selectable_substance = self.blocks[:,:,:-1] if include_transparent else numpy.logical_not(tileid_is_transparent[self.blocks[:,:,:-1]])
potential_floors = numpy.logical_and(selectable_substance, cell_is_selected)
potential_footspace = self.blocks[:,:,1:] if include_transparent else numpy.logical_not(tileid_is_transparent[self.blocks[:,:,1:]])
good_floors = numpy.logical_and(potential_floors!=0, potential_footspace==0)
floor_heights = (max_height-2)-numpy.argmax(good_floors[:,:,::-1], axis=2)
mask = get_cells_using_heightmap(good_floors, floor_heights)
return numpy.clip(floor_heights, low_limit, high_limit), mask
def get_cells_using_heightmap(source, heightmap):
idx = [numpy.arange(dimension) for dimension in source.shape]
idx = list(numpy.ix_(*idx))
idx[2] = numpy.expand_dims(heightmap, 2)
return numpy.squeeze(source[idx])
def save_byte_image(data, filename):
PIL.Image.fromarray(data.astype('u1')[:,::-1]).save(filename)
class AccTimer(object):
def __init__(self):
self.lasttime=None
self.acc=0.0
def start(self):
self.lasttime = time.time()
def stop(self):
self.acc += time.time() - self.lasttime
self.lasttime = None
class MultiTimer(object):
def __init__(self):
self.timers = defaultdict(AccTimer)
self.stack = []
self.current = None
self.report_format = []
def push(self, name):
self.start(name)
self.stack.append(self.current)
self.current = None
def pop(self):
self.stop()
self.current = self.stack.pop()
self.stop()
def start(self, name):
if self.current is not None:
self.timers[self.current].stop()
if name not in self.timers:
self.report_format.append((name, len(self.stack)))
self.timers[name].start()
self.current = name
def stop(self):
if self.current is not None:
self.timers[self.current].stop()
self.current = None
def report(self):
for name, depth in self.report_format:
print (" "*depth) + name, "%.3fs" % self.timers[name].acc
#for name, timer in self.timers.items():
# print name, "%.2fs" % timer.acc
class VolumeAnalyser(object):
low_limit = 0
high_limit = 127
ambient_light = 0.1
depth_light = 0.6
true_light = 0.3
daylight = 0.0
layerfactory = LayerRenderDataFactory()
def __init__(self, multitimer):
self.multitimer = multitimer
def apply_lighting(self, layer, heightmap):
depth_light = (heightmap - 1.0 * self.low_limit) / (1.0 * (self.high_limit - self.low_limit))
true_light = numpy.max([layer.blocklight / 15.0, layer.skylight * (self.daylight / 15.0)], axis=0)
return ((self.ambient_light + depth_light * self.depth_light + true_light * self.true_light) * 255.0 + 0.5).astype('u1')
def analyse_volume(self, volume):
''' Takes a volume, returns two LayerRenderData, one for the floors, and one for
transparent objects. (In future, we might do more layers, because it's not nice to
lose train tracks or flowers when they are partially obscured by glass or torches.)'''
self.multitimer.start("floor_heights")
floor_heights, mask = volume.get_floor_heights_and_mask(self.low_limit, self.high_limit, False)
self.multitimer.start("decoration_heights")
decoration_heights, mask2 = volume.get_transparent_item_heights_and_mask(floor_heights+1, self.high_limit)
self.multitimer.start("slicing")
mask2 = numpy.logical_and(mask, mask2)
floor_slice = volume.heightmap_slice(floor_heights)
transparent_slice = volume.heightmap_slice(decoration_heights)
floor_render_data = self.layerfactory.empty_render_data(floor_slice.dimensions)
transparent_render_data = self.layerfactory.empty_render_data(floor_slice.dimensions)
self.multitimer.start("assembly")
floor_render_data.texture_code[:,:] = floor_slice.get_texture_codes(mask)
floor_render_data.brightness[:,:] = self.apply_lighting(floor_slice, floor_heights)
floor_render_data.orientation[:,:]= floor_slice.get_orientations()
floor_render_data.altitude[:,:] = floor_heights
transparent_render_data.texture_code[:,:] = transparent_slice.get_texture_codes(mask2)
transparent_render_data.brightness[:,:] = self.apply_lighting(transparent_slice, floor_heights)
transparent_render_data.orientation[:,:] = transparent_slice.get_orientations()
transparent_render_data.altitude[:,:] = floor_heights
self.multitimer.stop()
return floor_render_data, transparent_render_data
def do_shaded_colour_air_picture(fname,low_limit,high_limit,centre=(256,256)):
mt = MultiTimer()
mt.push("Total")
volume_factory = VolumeFactory(mt)
volume_analyser = VolumeAnalyser(mt)
# You can tweak the height limits here:
volume_analyser.low_limit=low_limit
volume_analyser.high_limit=high_limit
mt.push("load_region")
#region = volume_factory.load_rectangle(fname, -256, -512, 256, 0)
mt.pop()
mt.push("analyse_volume")
x,y = centre
ground_render_data = volume_analyser.layerfactory.empty_render_data((512,512))
transparent_render_data = volume_analyser.layerfactory.empty_render_data((512,512))
sys.stdout.write("[ ]\x0d[")
for y1,y2 in [(0,128),(128,256),(256,384),(384,512)]:
for x1,x2 in [(0,128),(128,256),(256,384),(384,512)]:
local_region = volume_factory.load_rectangle(fname, y1-256+y, x1-256+x, y2-256+y, x2-256+x)
ground_render_data_small, transparent_render_data_small = volume_analyser.analyse_volume(local_region) #region[y1:y2,x1:x2])
ground_render_data[y1:y2,x1:x2] = ground_render_data_small
transparent_render_data[y1:y2,x1:x2] = transparent_render_data_small
sys.stdout.write("=")
sys.stdout.flush()
print
mt.pop()
mt.pop()
mt.report()
tilemapping.hacky_map_render(
ground_render_data.texture_code,
ground_render_data.brightness,
ground_render_data.orientation,
ground_render_data.altitude,
transparent_render_data.texture_code,
transparent_render_data.orientation,
transparent_render_data.altitude)
#save_byte_image(rgba_values, fname+'_generalised_slice.png')
def x():
#do_shaded_colour_air_picture('world/region/r.0.0.mcr')
CHORUSMAP = 'chorus/world/region'
ROBBIEMAP = 'world/region'
do_shaded_colour_air_picture(ROBBIEMAP, 0, 20, centre=(256,256)) #/r.0.-1.mcr',0,128)