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-rw-r--r--gfx.py1930
1 files changed, 1930 insertions, 0 deletions
diff --git a/gfx.py b/gfx.py
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+++ b/gfx.py
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+# -*- coding: utf-8 -*-
+
+import os
+import sys
+import png
+from math import sqrt, floor, ceil
+import argparse
+
+import configuration
+config = configuration.Config()
+
+import pokemon_constants
+import trainers
+import romstr
+
+
+def load_rom():
+ rom = romstr.RomStr.load(filename=config.rom_path)
+ return rom
+
+
+def split(list_, interval):
+ """
+ Split a list by length.
+ """
+ for i in xrange(0, len(list_), interval):
+ j = min(i + interval, len(list_))
+ yield list_[i:j]
+
+
+def hex_dump(data, length=0x10):
+ """
+ just use hexdump -C
+ """
+ margin = len('%x' % len(data))
+ output = []
+ address = 0
+ for line in split(data, length):
+ output += [
+ hex(address)[2:].zfill(margin) +
+ ' | ' +
+ ' '.join('%.2x' % byte for byte in line)
+ ]
+ address += length
+ return '\n'.join(output)
+
+
+def get_tiles(image):
+ """
+ Split a 2bpp image into 8x8 tiles.
+ """
+ return list(split(image, 0x10))
+
+def connect(tiles):
+ """
+ Combine 8x8 tiles into a 2bpp image.
+ """
+ return [byte for tile in tiles for byte in tile]
+
+def transpose(tiles, width=None):
+ """
+ Transpose a tile arrangement along line y=-x.
+
+ 00 01 02 03 04 05 00 06 0c 12 18 1e
+ 06 07 08 09 0a 0b 01 07 0d 13 19 1f
+ 0c 0d 0e 0f 10 11 <-> 02 08 0e 14 1a 20
+ 12 13 14 15 16 17 03 09 0f 15 1b 21
+ 18 19 1a 1b 1c 1d 04 0a 10 16 1c 22
+ 1e 1f 20 21 22 23 05 0b 11 17 1d 23
+ """
+ if width == None:
+ width = int(sqrt(len(tiles))) # assume square image
+ tiles = sorted(enumerate(tiles), key= lambda (i, tile): i % width)
+ return [tile for i, tile in tiles]
+
+def transpose_tiles(image, width=None):
+ return connect(transpose(get_tiles(image), width))
+
+def interleave(tiles, width):
+ """
+ 00 01 02 03 04 05 00 02 04 06 08 0a
+ 06 07 08 09 0a 0b 01 03 05 07 09 0b
+ 0c 0d 0e 0f 10 11 --> 0c 0e 10 12 14 16
+ 12 13 14 15 16 17 0d 0f 11 13 15 17
+ 18 19 1a 1b 1c 1d 18 1a 1c 1e 20 22
+ 1e 1f 20 21 22 23 19 1b 1d 1f 21 23
+ """
+ interleaved = []
+ left, right = split(tiles[::2], width), split(tiles[1::2], width)
+ for l, r in zip(left, right):
+ interleaved += l + r
+ return interleaved
+
+def deinterleave(tiles, width):
+ """
+ 00 02 04 06 08 0a 00 01 02 03 04 05
+ 01 03 05 07 09 0b 06 07 08 09 0a 0b
+ 0c 0e 10 12 14 16 --> 0c 0d 0e 0f 10 11
+ 0d 0f 11 13 15 17 12 13 14 15 16 17
+ 18 1a 1c 1e 20 22 18 19 1a 1b 1c 1d
+ 19 1b 1d 1f 21 23 1e 1f 20 21 22 23
+ """
+ deinterleaved = []
+ rows = list(split(tiles, width))
+ for left, right in zip(rows[::2], rows[1::2]):
+ for l, r in zip(left, right):
+ deinterleaved += [l, r]
+ return deinterleaved
+
+def interleave_tiles(image, width):
+ return connect(interleave(get_tiles(image), width))
+
+def deinterleave_tiles(image, width):
+ return connect(deinterleave(get_tiles(image), width))
+
+
+def condense_tiles_to_map(image):
+ tiles = get_tiles(image)
+ new_tiles = []
+ tilemap = []
+ for tile in tiles:
+ if tile not in new_tiles:
+ new_tiles += [tile]
+ tilemap += [new_tiles.index(tile)]
+ new_image = connect(new_tiles)
+ return new_image, tilemap
+
+
+def to_file(filename, data):
+ file = open(filename, 'wb')
+ for byte in data:
+ file.write('%c' % byte)
+ file.close()
+
+
+
+"""
+A rundown of Pokemon Crystal's compression scheme:
+
+Control commands occupy bits 5-7.
+Bits 0-4 serve as the first parameter <n> for each command.
+"""
+lz_commands = {
+ 'literal': 0, # n values for n bytes
+ 'iterate': 1, # one value for n bytes
+ 'alternate': 2, # alternate two values for n bytes
+ 'blank': 3, # zero for n bytes
+}
+
+"""
+Repeater commands repeat any data that was just decompressed.
+They take an additional signed parameter <s> to mark a relative starting point.
+These wrap around (positive from the start, negative from the current position).
+"""
+lz_commands.update({
+ 'repeat': 4, # n bytes starting from s
+ 'flip': 5, # n bytes in reverse bit order starting from s
+ 'reverse': 6, # n bytes backwards starting from s
+})
+
+"""
+The long command is used when 5 bits aren't enough. Bits 2-4 contain a new control code.
+Bits 0-1 are appended to a new byte as 8-9, allowing a 10-bit parameter.
+"""
+lz_commands.update({
+ 'long': 7, # n is now 10 bits for a new control code
+})
+max_length = 1 << 10 # can't go higher than 10 bits
+lowmax = 1 << 5 # standard 5-bit param
+
+"""
+If 0xff is encountered instead of a command, decompression ends.
+"""
+lz_end = 0xff
+
+
+class Compressed:
+
+ """
+ Compress arbitrary data, usually 2bpp.
+ """
+
+ def __init__(self, image=None, mode='horiz', size=None):
+ assert image, 'need something to compress!'
+ image = list(image)
+ self.image = image
+ self.pic = []
+ self.animtiles = []
+
+ # only transpose pic (animtiles were never transposed in decompression)
+ if size != None:
+ for byte in range((size*size)*16):
+ self.pic += image[byte]
+ for byte in range(((size*size)*16),len(image)):
+ self.animtiles += image[byte]
+ else:
+ self.pic = image
+
+ if mode == 'vert':
+ self.tiles = get_tiles(self.pic)
+ self.tiles = transpose(self.tiles)
+ self.pic = connect(self.tiles)
+
+ self.image = self.pic + self.animtiles
+
+ self.end = len(self.image)
+
+ self.byte = None
+ self.address = 0
+
+ self.stream = []
+
+ self.zeros = []
+ self.alts = []
+ self.iters = []
+ self.repeats = []
+ self.flips = []
+ self.reverses = []
+ self.literals = []
+
+ self.output = []
+
+ self.compress()
+
+
+ def compress(self):
+ """
+ Incomplete, but outputs working compressed data.
+ """
+
+ self.address = 0
+
+ # todo
+ #self.scanRepeats()
+
+ while ( self.address < self.end ):
+
+ #if (self.repeats):
+ # self.doRepeats()
+
+ #if (self.flips):
+ # self.doFlips()
+
+ #if (self.reverses):
+ # self.doReverses
+
+ if (self.checkWhitespace()):
+ self.doLiterals()
+ self.doWhitespace()
+
+ elif (self.checkIter()):
+ self.doLiterals()
+ self.doIter()
+
+ elif (self.checkAlts()):
+ self.doLiterals()
+ self.doAlts()
+
+ else: # doesn't fit any pattern -> literal
+ self.addLiteral()
+ self.next()
+
+ self.doStream()
+
+ # add any literals we've been sitting on
+ self.doLiterals()
+
+ # done
+ self.output.append(lz_end)
+
+
+ def getCurByte(self):
+ if self.address < self.end:
+ self.byte = ord(self.image[self.address])
+ else: self.byte = None
+
+ def next(self):
+ self.address += 1
+ self.getCurByte()
+
+ def addLiteral(self):
+ self.getCurByte()
+ self.literals.append(self.byte)
+ if len(self.literals) > max_length:
+ raise Exception, "literals exceeded max length and the compressor didn't catch it"
+ elif len(self.literals) == max_length:
+ self.doLiterals()
+
+ def doLiterals(self):
+ if len(self.literals) > lowmax:
+ self.output.append( (lz_commands['long'] << 5) | (lz_commands['literal'] << 2) | ((len(self.literals) - 1) >> 8) )
+ self.output.append( (len(self.literals) - 1) & 0xff )
+ elif len(self.literals) > 0:
+ self.output.append( (lz_commands['literal'] << 5) | (len(self.literals) - 1) )
+ for byte in self.literals:
+ self.output.append(byte)
+ self.literals = []
+
+ def doStream(self):
+ for byte in self.stream:
+ self.output.append(byte)
+ self.stream = []
+
+
+ def scanRepeats(self):
+ """
+ Works, but doesn't do flipped/reversed streams yet.
+
+ This takes up most of the compress time and only saves a few bytes.
+ It might be more effective to exclude it entirely.
+ """
+
+ self.repeats = []
+ self.flips = []
+ self.reverses = []
+
+ # make a 5-letter word list of the sequence
+ letters = 5 # how many bytes it costs to use a repeat over a literal
+ # any shorter and it's not worth the trouble
+ num_words = len(self.image) - letters
+ words = []
+ for i in range(self.address,num_words):
+ word = []
+ for j in range(letters):
+ word.append( ord(self.image[i+j]) )
+ words.append((word, i))
+
+ zeros = []
+ for zero in range(letters):
+ zeros.append( 0 )
+
+ # check for matches
+ def get_matches():
+ # TODO:
+ # append to 3 different match lists instead of yielding to one
+ #
+ #flipped = []
+ #for byte in enumerate(this[0]):
+ # flipped.append( sum(1<<(7-i) for i in range(8) if (this[0][byte])>>i&1) )
+ #reversed = this[0][::-1]
+ #
+ for whereabout, this in enumerate(words):
+ for that in range(whereabout+1,len(words)):
+ if words[that][0] == this[0]:
+ if words[that][1] - this[1] >= letters:
+ # remove zeros
+ if this[0] != zeros:
+ yield [this[0], this[1], words[that][1]]
+
+ matches = list(get_matches())
+
+ # remove more zeros
+ buffer = []
+ for match in matches:
+ # count consecutive zeros in a word
+ num_zeros = 0
+ highest = 0
+ for j in range(letters):
+ if match[0][j] == 0:
+ num_zeros += 1
+ else:
+ if highest < num_zeros: highest = num_zeros
+ num_zeros = 0
+ if highest < 4:
+ # any more than 3 zeros in a row isn't worth it
+ # (and likely to already be accounted for)
+ buffer.append(match)
+ matches = buffer
+
+ # combine overlapping matches
+ buffer = []
+ for this, match in enumerate(matches):
+ if this < len(matches) - 1: # special case for the last match
+ if matches[this+1][1] <= (match[1] + len(match[0])): # check overlap
+ if match[1] + len(match[0]) < match[2]:
+ # next match now contains this match's bytes too
+ # this only appends the last byte (assumes overlaps are +1
+ match[0].append(matches[this+1][0][-1])
+ matches[this+1] = match
+ elif match[1] + len(match[0]) == match[2]:
+ # we've run into the thing we matched
+ buffer.append(match)
+ # else we've gone past it and we can ignore it
+ else: # no more overlaps
+ buffer.append(match)
+ else: # last match, so there's nothing to check
+ buffer.append(match)
+ matches = buffer
+
+ # remove alternating sequences
+ buffer = []
+ for match in matches:
+ for i in range(6 if letters > 6 else letters):
+ if match[0][i] != match[0][i&1]:
+ buffer.append(match)
+ break
+ matches = buffer
+
+ self.repeats = matches
+
+
+ def doRepeats(self):
+ """doesn't output the right values yet"""
+
+ unusedrepeats = []
+ for repeat in self.repeats:
+ if self.address >= repeat[2]:
+
+ # how far in we are
+ length = (len(repeat[0]) - (self.address - repeat[2]))
+
+ # decide which side we're copying from
+ if (self.address - repeat[1]) <= 0x80:
+ self.doLiterals()
+ self.stream.append( (lz_commands['repeat'] << 5) | length - 1 )
+
+ # wrong?
+ self.stream.append( (((self.address - repeat[1])^0xff)+1)&0xff )
+
+ else:
+ self.doLiterals()
+ self.stream.append( (lz_commands['repeat'] << 5) | length - 1 )
+
+ # wrong?
+ self.stream.append(repeat[1]>>8)
+ self.stream.append(repeat[1]&0xff)
+
+ #print hex(self.address) + ': ' + hex(len(self.output)) + ' ' + hex(length)
+ self.address += length
+
+ else: unusedrepeats.append(repeat)
+
+ self.repeats = unusedrepeats
+
+
+ def checkWhitespace(self):
+ self.zeros = []
+ self.getCurByte()
+ original_address = self.address
+
+ if ( self.byte == 0 ):
+ while ( self.byte == 0 ) & ( len(self.zeros) <= max_length ):
+ self.zeros.append(self.byte)
+ self.next()
+ if len(self.zeros) > 1:
+ return True
+ self.address = original_address
+ return False
+
+ def doWhitespace(self):
+ if (len(self.zeros) + 1) >= lowmax:
+ self.stream.append( (lz_commands['long'] << 5) | (lz_commands['blank'] << 2) | ((len(self.zeros) - 1) >> 8) )
+ self.stream.append( (len(self.zeros) - 1) & 0xff )
+ elif len(self.zeros) > 1:
+ self.stream.append( lz_commands['blank'] << 5 | (len(self.zeros) - 1) )
+ else:
+ raise Exception, "checkWhitespace() should prevent this from happening"
+
+
+ def checkAlts(self):
+ self.alts = []
+ self.getCurByte()
+ original_address = self.address
+ num_alts = 0
+
+ # make sure we don't check for alts at the end of the file
+ if self.address+3 >= self.end: return False
+
+ self.alts.append(self.byte)
+ self.alts.append(ord(self.image[self.address+1]))
+
+ # are we onto smething?
+ if ( ord(self.image[self.address+2]) == self.alts[0] ):
+ cur_alt = 0
+ while (ord(self.image[(self.address)+1]) == self.alts[num_alts&1]) & (num_alts <= max_length):
+ num_alts += 1
+ self.next()
+ # include the last alternated byte
+ num_alts += 1
+ self.address = original_address
+ if num_alts > lowmax:
+ return True
+ elif num_alts > 2:
+ return True
+ return False
+
+ def doAlts(self):
+ original_address = self.address
+ self.getCurByte()
+
+ #self.alts = []
+ #num_alts = 0
+
+ #self.alts.append(self.byte)
+ #self.alts.append(ord(self.image[self.address+1]))
+
+ #i = 0
+ #while (ord(self.image[self.address+1]) == self.alts[i^1]) & (num_alts <= max_length):
+ # num_alts += 1
+ # i ^=1
+ # self.next()
+ ## include the last alternated byte
+ #num_alts += 1
+
+ num_alts = len(self.iters) + 1
+
+ if num_alts > lowmax:
+ self.stream.append( (lz_commands['long'] << 5) | (lz_commands['alternate'] << 2) | ((num_alts - 1) >> 8) )
+ self.stream.append( num_alts & 0xff )
+ self.stream.append( self.alts[0] )
+ self.stream.append( self.alts[1] )
+ elif num_alts > 2:
+ self.stream.append( (lz_commands['alternate'] << 5) | (num_alts - 1) )
+ self.stream.append( self.alts[0] )
+ self.stream.append( self.alts[1] )
+ else:
+ raise Exception, "checkAlts() should prevent this from happening"
+
+ self.address = original_address
+ self.address += num_alts
+
+
+ def checkIter(self):
+ self.iters = []
+ self.getCurByte()
+ iter = self.byte
+ original_address = self.address
+ while (self.byte == iter) & (len(self.iters) < max_length):
+ self.iters.append(self.byte)
+ self.next()
+ self.address = original_address
+ if len(self.iters) > 3:
+ # 3 or fewer isn't worth the trouble and actually longer
+ # if part of a larger literal set
+ return True
+
+ return False
+
+ def doIter(self):
+ self.getCurByte()
+ iter = self.byte
+ original_address = self.address
+
+ self.iters = []
+ while (self.byte == iter) & (len(self.iters) < max_length):
+ self.iters.append(self.byte)
+ self.next()
+
+ if (len(self.iters) - 1) >= lowmax:
+ self.stream.append( (lz_commands['long'] << 5) | (lz_commands['iterate'] << 2) | ((len(self.iters)-1) >> 8) )
+ self.stream.append( (len(self.iters) - 1) & 0xff )
+ self.stream.append( iter )
+ elif len(self.iters) > 3:
+ # 3 or fewer isn't worth the trouble and actually longer
+ # if part of a larger literal set
+ self.stream.append( (lz_commands['iterate'] << 5) | (len(self.iters) - 1) )
+ self.stream.append( iter )
+ else:
+ self.address = original_address
+ raise Exception, "checkIter() should prevent this from happening"
+
+
+class Decompressed:
+ """
+ Parse compressed data, usually 2bpp.
+
+ parameters:
+ [compressed data]
+ [tile arrangement] default: 'vert'
+ [size of pic] default: None
+ [start] (optional)
+
+ splits output into pic [size] and animation tiles if applicable
+ data can be fed in from rom if [start] is specified
+ """
+
+ def __init__(self, lz=None, mode=None, size=None, start=0):
+ # todo: play nice with Compressed
+
+ assert lz, 'need something to compress!'
+ self.lz = lz
+
+ self.byte = None
+ self.address = 0
+ self.start = start
+
+ self.output = []
+
+ self.decompress()
+
+ debug = False
+ # print tuple containing start and end address
+ if debug: print '(' + hex(self.start) + ', ' + hex(self.start + self.address+1) + '),'
+
+ # only transpose pic
+ self.pic = []
+ self.animtiles = []
+
+ if size != None:
+ self.tiles = get_tiles(self.output)
+ self.pic = connect(self.tiles[:(size*size)])
+ self.animtiles = connect(self.tiles[(size*size):])
+ else: self.pic = self.output
+
+ if mode == 'vert':
+ self.tiles = get_tiles(self.pic)
+ self.tiles = transpose(self.tiles)
+ self.pic = connect(self.tiles)
+
+ self.output = self.pic + self.animtiles
+
+
+ def decompress(self):
+ """
+ Replica of crystal's decompression.
+ """
+
+ self.output = []
+
+ while True:
+ self.getCurByte()
+
+ if (self.byte == lz_end):
+ break
+
+ self.cmd = (self.byte & 0b11100000) >> 5
+
+ if self.cmd == lz_commands['long']: # 10-bit param
+ self.cmd = (self.byte & 0b00011100) >> 2
+ self.length = (self.byte & 0b00000011) << 8
+ self.next()
+ self.length += self.byte + 1
+ else: # 5-bit param
+ self.length = (self.byte & 0b00011111) + 1
+
+ # literals
+ if self.cmd == lz_commands['literal']:
+ self.doLiteral()
+ elif self.cmd == lz_commands['iterate']:
+ self.doIter()
+ elif self.cmd == lz_commands['alternate']:
+ self.doAlt()
+ elif self.cmd == lz_commands['blank']:
+ self.doZeros()
+
+ else: # repeaters
+ self.next()
+ if self.byte > 0x7f: # negative
+ self.displacement = self.byte & 0x7f
+ self.displacement = len(self.output) - self.displacement - 1
+ else: # positive
+ self.displacement = self.byte * 0x100
+ self.next()
+ self.displacement += self.byte
+
+ if self.cmd == lz_commands['flip']:
+ self.doFlip()
+ elif self.cmd == lz_commands['reverse']:
+ self.doReverse()
+ else: # lz_commands['repeat']
+ self.doRepeat()
+
+ self.address += 1
+ #self.next() # somewhat of a hack
+
+
+ def getCurByte(self):
+ self.byte = ord(self.lz[self.start+self.address])
+
+ def next(self):
+ self.address += 1
+ self.getCurByte()
+
+ def doLiteral(self):
+ """
+ Copy data directly.
+ """
+ for byte in range(self.length):
+ self.next()
+ self.output.append(self.byte)
+
+ def doIter(self):
+ """
+ Write one byte repeatedly.
+ """
+ self.next()
+ for byte in range(self.length):
+ self.output.append(self.byte)
+
+ def doAlt(self):
+ """
+ Write alternating bytes.
+ """
+ self.alts = []
+ self.next()
+ self.alts.append(self.byte)
+ self.next()
+ self.alts.append(self.byte)
+
+ for byte in range(self.length):
+ self.output.append(self.alts[byte&1])
+
+ def doZeros(self):
+ """
+ Write zeros.
+ """
+ for byte in range(self.length):
+ self.output.append(0x00)
+
+ def doFlip(self):
+ """
+ Repeat flipped bytes from output.
+
+ eg 11100100 -> 00100111
+ quat 3 2 1 0 -> 0 2 1 3
+ """
+ for byte in range(self.length):
+ flipped = sum(1<<(7-i) for i in range(8) if self.output[self.displacement+byte]>>i&1)
+ self.output.append(flipped)
+
+ def doReverse(self):
+ """
+ Repeat reversed bytes from output.
+ """
+ for byte in range(self.length):
+ self.output.append(self.output[self.displacement-byte])
+
+ def doRepeat(self):
+ """
+ Repeat bytes from output.
+ """
+ for byte in range(self.length):
+ self.output.append(self.output[self.displacement+byte])
+
+
+
+sizes = [
+ 5, 6, 7, 5, 6, 7, 5, 6, 7, 5, 5, 7, 5, 5, 7, 5,
+ 6, 7, 5, 6, 5, 7, 5, 7, 5, 7, 5, 6, 5, 6, 7, 5,
+ 6, 7, 5, 6, 6, 7, 5, 6, 5, 7, 5, 6, 7, 5, 7, 5,
+ 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 6, 7, 5, 6,
+ 7, 5, 7, 7, 5, 6, 7, 5, 6, 5, 6, 6, 6, 7, 5, 7,
+ 5, 6, 6, 5, 7, 6, 7, 5, 7, 5, 7, 7, 6, 6, 7, 6,
+ 7, 5, 7, 5, 5, 7, 7, 5, 6, 7, 6, 7, 6, 7, 7, 7,
+ 6, 6, 7, 5, 6, 6, 7, 6, 6, 6, 7, 6, 6, 6, 7, 7,
+ 6, 7, 7, 5, 5, 6, 6, 6, 6, 5, 6, 5, 6, 7, 7, 7,
+ 7, 7, 5, 6, 7, 7, 5, 5, 6, 7, 5, 6, 7, 5, 6, 7,
+ 6, 6, 5, 7, 6, 6, 5, 7, 7, 6, 6, 5, 5, 5, 5, 7,
+ 5, 6, 5, 6, 7, 7, 5, 7, 6, 7, 5, 6, 7, 5, 5, 6,
+ 6, 5, 6, 6, 6, 6, 7, 6, 5, 6, 7, 5, 7, 6, 6, 7,
+ 6, 6, 5, 7, 5, 6, 6, 5, 7, 5, 6, 5, 6, 6, 5, 6,
+ 6, 7, 7, 6, 7, 7, 5, 7, 6, 7, 7, 5, 7, 5, 6, 6,
+ 6, 7, 7, 7, 7, 5, 6, 7, 7, 7, 5,
+]
+
+def make_sizes():
+ """
+ Front pics have specified sizes.
+ """
+ rom = load_rom()
+ top = 251
+ base_stats = 0x51424
+ # print monster sizes
+ address = base_stats + 0x11
+
+ output = ''
+
+ for id in range(top):
+ size = (ord(rom[address])) & 0x0f
+ if id % 16 == 0: output += '\n\t'
+ output += str(size) + ', '
+ address += 0x20
+
+ print output
+
+
+
+def decompress_fx_by_id(id, fxs=0xcfcf6):
+ rom = load_rom()
+ address = fxs + id*4 # len_fxptr
+ # get size
+ num_tiles = ord(rom[address]) # # tiles
+ # get pointer
+ bank = ord(rom[address+1])
+ address = (ord(rom[address+3]) << 8) + ord(rom[address+2])
+ address = (bank * 0x4000) + (address & 0x3fff)
+ # decompress
+ fx = Decompressed(rom, 'horiz', num_tiles, address)
+ return fx
+
+def decompress_fx(num_fx=40):
+ for id in range(num_fx):
+ fx = decompress_fx_by_id(id)
+ filename = './gfx/fx/' + str(id).zfill(3) + '.2bpp' # ./gfx/fx/039.2bpp
+ to_file(filename, fx.pic)
+
+
+num_pics = 2
+front = 0
+back = 1
+
+monsters = 0x120000
+num_monsters = 251
+
+unowns = 0x124000
+num_unowns = 26
+unown_dex = 201
+
+def decompress_monster_by_id(id=0, type=front):
+ rom = load_rom()
+ # no unowns here
+ if id + 1 == unown_dex: return None
+ # get size
+ if type == front:
+ size = sizes[id]
+ else: size = None
+ # get pointer
+ address = monsters + (id*2 + type)*3 # bank, address
+ bank = ord(rom[address]) + 0x36 # crystal
+ address = (ord(rom[address+2]) << 8) + ord(rom[address+1])
+ address = (bank * 0x4000) + (address & 0x3fff)
+ # decompress
+ monster = Decompressed(rom, 'vert', size, address)
+ return monster
+
+def decompress_monsters(type=front):
+ for id in range(num_monsters):
+ # decompress
+ monster = decompress_monster_by_id(id, type)
+ if monster != None: # no unowns here
+ if not type: # front
+ filename = 'front.2bpp'
+ folder = './gfx/pics/' + str(id+1).zfill(3) + '/'
+ to_file(folder+filename, monster.pic)
+ filename = 'tiles.2bpp'
+ folder = './gfx/pics/' + str(id+1).zfill(3) + '/'
+ to_file(folder+filename, monster.animtiles)
+ else: # back
+ filename = 'back.2bpp'
+ folder = './gfx/pics/' + str(id+1).zfill(3) + '/'
+ to_file(folder+filename, monster.pic)
+
+
+def decompress_unown_by_id(letter, type=front):
+ rom = load_rom()
+ # get size
+ if type == front:
+ size = sizes[unown_dex-1]
+ else: size = None
+ # get pointer
+ address = unowns + (letter*2 + type)*3 # bank, address
+ bank = ord(rom[address]) + 0x36 # crystal
+ address = (ord(rom[address+2]) << 8) + ord(rom[address+1])
+ address = (bank * 0x4000) + (address & 0x3fff)
+ # decompress
+ unown = Decompressed(rom, 'vert', size, address)
+ return unown
+
+def decompress_unowns(type=front):
+ for letter in range(num_unowns):
+ # decompress
+ unown = decompress_unown_by_id(letter, type)
+
+ if not type: # front
+ filename = 'front.2bpp'
+ folder = './gfx/pics/' + str(unown_dex).zfill(3) + chr(ord('a') + letter) + '/'
+ to_file(folder+filename, unown.pic)
+ filename = 'tiles.2bpp'
+ folder = './gfx/anim/'
+ to_file(folder+filename, unown.animtiles)
+ else: # back
+ filename = 'back.2bpp'
+ folder = './gfx/pics/' + str(unown_dex).zfill(3) + chr(ord('a') + letter) + '/'
+ to_file(folder+filename, unown.pic)
+
+
+trainers = 0x128000
+num_trainers = 67
+
+def decompress_trainer_by_id(id):
+ rom = load_rom()
+ # get pointer
+ address = trainers + id*3 # bank, address
+ bank = ord(rom[address]) + 0x36 # crystal
+ address = (ord(rom[address+2]) << 8) + ord(rom[address+1])
+ address = (bank * 0x4000) + (address & 0x3fff)
+ # decompress
+ trainer = Decompressed(rom, 'vert', None, address)
+ return trainer
+
+def decompress_trainers():
+ for id in range(num_trainers):
+ # decompress
+ trainer = decompress_trainer_by_id(id)
+ filename = './gfx/trainers/' + str(id).zfill(3) + '.2bpp' # ./gfx/trainers/066.2bpp
+ to_file(filename, trainer.pic)
+
+
+# in order of use (sans repeats)
+intro_gfx = [
+ ('logo', 0x109407),
+ ('001', 0xE641D), # tilemap
+ ('unowns', 0xE5F5D),
+ ('pulse', 0xE634D),
+ ('002', 0xE63DD), # tilemap
+ ('003', 0xE5ECD), # tilemap
+ ('background', 0xE5C7D),
+ ('004', 0xE5E6D), # tilemap
+ ('005', 0xE647D), # tilemap
+ ('006', 0xE642D), # tilemap
+ ('pichu_wooper', 0xE592D),
+ ('suicune_run', 0xE555D),
+ ('007', 0xE655D), # tilemap
+ ('008', 0xE649D), # tilemap
+ ('009', 0xE76AD), # tilemap
+ ('suicune_jump', 0xE6DED),
+ ('unown_back', 0xE785D),
+ ('010', 0xE764D), # tilemap
+ ('011', 0xE6D0D), # tilemap
+ ('suicune_close', 0xE681D),
+ ('012', 0xE6C3D), # tilemap
+ ('013', 0xE778D), # tilemap
+ ('suicune_back', 0xE72AD),
+ ('014', 0xE76BD), # tilemap
+ ('015', 0xE676D), # tilemap
+ ('crystal_unowns', 0xE662D),
+ ('017', 0xE672D), # tilemap
+]
+
+def decompress_intro():
+ rom = load_rom()
+ for name, address in intro_gfx:
+ filename = './gfx/intro/' + name + '.2bpp'
+ gfx = Decompressed( rom, 'horiz', None, address )
+ to_file(filename, gfx.output)
+
+
+title_gfx = [
+ ('suicune', 0x10EF46),
+ ('logo', 0x10F326),
+ ('crystal', 0x10FCEE),
+]
+
+def decompress_title():
+ rom = load_rom()
+ for name, address in title_gfx:
+ filename = './gfx/title/' + name + '.2bpp'
+ gfx = Decompressed( rom, 'horiz', None, address )
+ to_file(filename, gfx.output)
+
+def decompress_tilesets():
+ rom = load_rom()
+ tileset_headers = 0x4d596
+ len_tileset = 15
+ num_tilesets = 0x25
+ for tileset in range(num_tilesets):
+ ptr = tileset*len_tileset + tileset_headers
+ address = (ord(rom[ptr])*0x4000) + (((ord(rom[ptr+1]))+ord(rom[ptr+2])*0x100)&0x3fff)
+ tiles = Decompressed( rom, 'horiz', None, address )
+ filename = './gfx/tilesets/'+str(tileset).zfill(2)+'.2bpp'
+ to_file( filename, tiles.output )
+ #print '(' + hex(address) + ', '+ hex(address+tiles.address+1) + '),'
+
+misc = [
+ ('player', 0x2BA1A, 'vert'),
+ ('dude', 0x2BBAA, 'vert'),
+ ('town_map', 0xF8BA0, 'horiz'),
+ ('pokegear', 0x1DE2E4, 'horiz'),
+ ('pokegear_sprites', 0x914DD, 'horiz'),
+]
+def decompress_misc():
+ rom = load_rom()
+ for name, address, mode in misc:
+ filename = './gfx/misc/' + name + '.2bpp'
+ gfx = Decompressed( rom, mode, None, address )
+ to_file(filename, gfx.output)
+
+def decompress_all(debug=False):
+ """
+ Decompress all known compressed data in baserom.
+ """
+
+ if debug: print 'fronts'
+ decompress_monsters(front)
+ if debug: print 'backs'
+ decompress_monsters(back)
+ if debug: print 'unown fronts'
+ decompress_unowns(front)
+ if debug: print 'unown backs'
+ decompress_unowns(back)
+
+ if debug: print 'trainers'
+ decompress_trainers()
+
+ if debug: print 'fx'
+ decompress_fx()
+
+ if debug: print 'intro'
+ decompress_intro()
+
+ if debug: print 'title'
+ decompress_title()
+
+ if debug: print 'tilesets'
+ decompress_tilesets()
+
+ if debug: print 'misc'
+ decompress_misc()
+
+ return
+
+
+def decompress_from_address(address, mode='horiz', filename='de.2bpp', size=None):
+ """
+ Write decompressed data from an address to a 2bpp file.
+ """
+ rom = load_rom()
+ image = Decompressed(rom, mode, size, address)
+ to_file(filename, image.pic)
+
+
+def decompress_file(filein, fileout, mode='horiz', size=None):
+ f = open(filein, 'rb')
+ image = f.read()
+ f.close()
+
+ de = Decompressed(image, mode, size)
+
+ to_file(fileout, de.pic)
+
+
+def compress_file(filein, fileout, mode='horiz'):
+ f = open(filein, 'rb')
+ image = f.read()
+ f.close()
+
+ lz = Compressed(image, mode)
+
+ to_file(fileout, lz.output)
+
+
+
+
+def compress_monster_frontpic(id, fileout):
+ mode = 'vert'
+
+ fpic = './gfx/pics/' + str(id).zfill(3) + '/front.2bpp'
+ fanim = './gfx/pics/' + str(id).zfill(3) + '/tiles.2bpp'
+
+ pic = open(fpic, 'rb').read()
+ anim = open(fanim, 'rb').read()
+ image = pic + anim
+
+ lz = Compressed(image, mode, sizes[id-1])
+
+ out = './gfx/pics/' + str(id).zfill(3) + '/front.lz'
+
+ to_file(out, lz.output)
+
+
+
+def get_uncompressed_gfx(start, num_tiles, filename):
+ """
+ Grab tiles directly from rom and write to file.
+ """
+ rom = load_rom()
+ bytes_per_tile = 0x10
+ length = num_tiles*bytes_per_tile
+ end = start + length
+ image = []
+ for address in range(start,end):
+ image.append(ord(rom[address]))
+ to_file(filename, image)
+
+
+
+def bin_to_rgb(word):
+ red = word & 0b11111
+ word >>= 5
+ green = word & 0b11111
+ word >>= 5
+ blue = word & 0b11111
+ return (red, green, blue)
+
+def rgb_from_rom(address, length=0x80):
+ rom = load_rom()
+ return convert_binary_pal_to_text(rom[address:address+length])
+
+def convert_binary_pal_to_text_by_filename(filename):
+ with open(filename) as f:
+ pal = bytearray(f.read())
+ return convert_binary_pal_to_text(pal)
+
+def convert_binary_pal_to_text(pal):
+ output = ''
+ words = [hi * 0x100 + lo for lo, hi in zip(pal[::2], pal[1::2])]
+ for word in words:
+ red, green, blue = ['%.2d' % c for c in bin_to_rgb(word)]
+ output += '\tRGB ' + ', '.join((red, green, blue))
+ output += '\n'
+ return output
+
+def read_rgb_macros(lines):
+ colors = []
+ for line in lines:
+ macro = line.split(" ")[0].strip()
+ if macro == 'RGB':
+ params = ' '.join(line.split(" ")[1:]).split(',')
+ red, green, blue = [int(v) for v in params]
+ colors += [[red, green, blue]]
+ return colors
+
+
+def rewrite_binary_pals_to_text(filenames):
+ for filename in filenames:
+ pal_text = convert_binary_pal_to_text_by_filename(filename)
+ with open(filename, 'w') as out:
+ out.write(pal_text)
+
+
+def dump_monster_pals():
+ rom = load_rom()
+
+ pals = 0xa8d6
+ pal_length = 0x4
+ for mon in range(251):
+
+ name = pokemon_constants.pokemon_constants[mon+1].title().replace('_','')
+ num = str(mon+1).zfill(3)
+ dir = 'gfx/pics/'+num+'/'
+
+ address = pals + mon*pal_length*2
+
+
+ pal_data = []
+ for byte in range(pal_length):
+ pal_data.append(ord(rom[address]))
+ address += 1
+
+ filename = 'normal.pal'
+ to_file('../'+dir+filename, pal_data)
+
+ spacing = ' ' * (15 - len(name))
+ #print name+'Palette:'+spacing+' INCBIN "'+dir+filename+'"'
+
+
+ pal_data = []
+ for byte in range(pal_length):
+ pal_data.append(ord(rom[address]))
+ address += 1
+
+ filename = 'shiny.pal'
+ to_file('../'+dir+filename, pal_data)
+
+ spacing = ' ' * (10 - len(name))
+ #print name+'ShinyPalette:'+spacing+' INCBIN "'+dir+filename+'"'
+
+
+def dump_trainer_pals():
+ rom = load_rom()
+
+ pals = 0xb0d2
+ pal_length = 0x4
+ for trainer in range(67):
+
+ name = trainers.trainer_group_names[trainer+1]['constant'].title().replace('_','')
+ num = str(trainer).zfill(3)
+ dir = 'gfx/trainers/'
+
+ address = pals + trainer*pal_length
+
+ pal_data = []
+ for byte in range(pal_length):
+ pal_data.append(ord(rom[address]))
+ address += 1
+
+ filename = num+'.pal'
+ to_file('../'+dir+filename, pal_data)
+
+ spacing = ' ' * (12 - len(name))
+ print name+'Palette:'+spacing+' INCBIN"'+dir+filename+'"'
+
+
+
+def flatten(planar):
+ """
+ Flatten planar 2bpp image data into a quaternary pixel map.
+ """
+ strips = []
+ for bottom, top in split(planar, 2):
+ bottom = ord(bottom)
+ top = ord(top)
+ strip = []
+ for i in xrange(7,-1,-1):
+ color = (
+ (bottom >> i & 1) +
+ (top *2 >> i & 2)
+ )
+ strip += [color]
+ strips += strip
+ return strips
+
+
+def to_lines(image, width):
+ """
+ Convert a tiled quaternary pixel map to lines of quaternary pixels.
+ """
+ tile_width = 8
+ tile_height = 8
+ num_columns = width / tile_width
+ height = len(image) / width
+
+ lines = []
+ for cur_line in xrange(height):
+ tile_row = cur_line / tile_height
+ line = []
+ for column in xrange(num_columns):
+ anchor = (
+ num_columns * tile_row * tile_width * tile_height +
+ column * tile_width * tile_height +
+ cur_line % tile_height * tile_width
+ )
+ line += image[anchor : anchor + tile_width]
+ lines += [line]
+ return lines
+
+
+def dmg2rgb(word):
+ """
+ For PNGs.
+ """
+ def shift(value):
+ while True:
+ yield value & (2**5 - 1)
+ value >>= 5
+ word = shift(word)
+ # distribution is less even w/ << 3
+ red, green, blue = [int(color * 8.25) for color in [word.next() for _ in xrange(3)]]
+ alpha = 255
+ return (red, green, blue, alpha)
+
+
+def rgb_to_dmg(color):
+ """
+ For PNGs.
+ """
+ word = (color['r'] / 8)
+ word += (color['g'] / 8) << 5
+ word += (color['b'] / 8) << 10
+ return word
+
+
+def pal_to_png(filename):
+ """
+ Interpret a .pal file as a png palette.
+ """
+ with open(filename) as rgbs:
+ colors = read_rgb_macros(rgbs.readlines())
+ a = 255
+ palette = []
+ for color in colors:
+ # even distribution over 000-255
+ r, g, b = [int(hue * 8.25) for hue in color]
+ palette += [(r, g, b, a)]
+ white = (255,255,255,255)
+ black = (000,000,000,255)
+ if white not in palette and len(palette) < 4:
+ palette = [white] + palette
+ if black not in palette and len(palette) < 4:
+ palette = palette + [black]
+ return palette
+
+
+def png_to_rgb(palette):
+ """
+ Convert a png palette to rgb macros.
+ """
+ output = ''
+ for color in palette:
+ r, g, b = [color[c] / 8 for c in 'rgb']
+ output += '\tRGB ' + ', '.join(['%.2d' % hue for hue in (r, g, b)])
+ output += '\n'
+ return output
+
+
+def read_filename_arguments(filename):
+ int_args = {
+ 'w': 'width',
+ 'h': 'height',
+ 't': 'tile_padding',
+ }
+ parsed_arguments = {}
+ arguments = os.path.splitext(filename)[0].split('.')[1:]
+ for argument in arguments:
+ arg = argument[0]
+ param = argument[1:]
+ if param.isdigit():
+ arg = int_args.get(arg, False)
+ if arg:
+ parsed_arguments[arg] = int(param)
+ elif len(argument) == 3:
+ w, x, h = argument[:3]
+ if w.isdigit() and h.isdigit() and x == 'x':
+ parsed_arguments['pic_dimensions'] = (int(w), int(h))
+ elif argument == 'interleave':
+ parsed_arguments['interleave'] = True
+ elif argument == 'norepeat':
+ parsed_arguments['norepeat'] = True
+ elif argument == 'arrange':
+ parsed_arguments['norepeat'] = True
+ parsed_arguments['tilemap'] = True
+ return parsed_arguments
+
+
+def export_2bpp_to_png(filein, fileout=None, pal_file=None, height=0, width=0, tile_padding=0, pic_dimensions=None):
+
+ if fileout == None:
+ fileout = os.path.splitext(filein)[0] + '.png'
+
+ image = open(filein, 'rb').read()
+
+ arguments = {
+ 'width': width,
+ 'height': height,
+ 'pal_file': pal_file,
+ 'tile_padding': tile_padding,
+ 'pic_dimensions': pic_dimensions,
+ }
+ arguments.update(read_filename_arguments(filein))
+
+ if pal_file == None:
+ if os.path.exists(os.path.splitext(fileout)[0]+'.pal'):
+ arguments['pal_file'] = os.path.splitext(fileout)[0]+'.pal'
+
+ result = convert_2bpp_to_png(image, **arguments)
+ width, height, palette, greyscale, bitdepth, px_map = result
+
+ w = png.Writer(
+ width,
+ height,
+ palette=palette,
+ compression=9,
+ greyscale=greyscale,
+ bitdepth=bitdepth
+ )
+ with open(fileout, 'wb') as f:
+ w.write(f, px_map)
+
+
+def convert_2bpp_to_png(image, **kwargs):
+ """
+ Convert a planar 2bpp graphic to png.
+ """
+
+ width = kwargs.get('width', 0)
+ height = kwargs.get('height', 0)
+ tile_padding = kwargs.get('tile_padding', 0)
+ pic_dimensions = kwargs.get('pic_dimensions', None)
+ pal_file = kwargs.get('pal_file', None)
+ interleave = kwargs.get('interleave', False)
+
+ # Width must be specified to interleave.
+ if interleave and width:
+ image = ''.join(interleave_tiles(image, width / 8))
+
+ # Pad the image by a given number of tiles if asked.
+ image += chr(0) * 0x10 * tile_padding
+
+ # Some images are transposed in blocks.
+ if pic_dimensions:
+ w, h = pic_dimensions
+ if not width: width = w * 8
+
+ pic_length = w * h * 0x10
+
+ trailing = len(image) % pic_length
+
+ pic = []
+ for i in xrange(0, len(image) - trailing, pic_length):
+ pic += transpose_tiles(image[i:i+pic_length], w)
+ image = ''.join(pic) + image[len(image) - trailing:]
+
+ # Pad out trailing lines.
+ image += chr(0) * 0x10 * ((w - (len(image) / 0x10) % h) % w)
+
+ def px_length(img):
+ return len(img) * 4
+ def tile_length(img):
+ return len(img) * 4 / (8*8)
+
+ if width and height:
+ tile_width = width / 8
+ more_tile_padding = (tile_width - (tile_length(image) % tile_width or tile_width))
+ image += chr(0) * 0x10 * more_tile_padding
+
+ elif width and not height:
+ tile_width = width / 8
+ more_tile_padding = (tile_width - (tile_length(image) % tile_width or tile_width))
+ image += chr(0) * 0x10 * more_tile_padding
+ height = px_length(image) / width
+
+ elif height and not width:
+ tile_height = height / 8
+ more_tile_padding = (tile_height - (tile_length(image) % tile_height or tile_height))
+ image += chr(0) * 0x10 * more_tile_padding
+ width = px_length(image) / height
+
+ # at least one dimension should be given
+ if width * height != px_length(image):
+ # look for possible combos of width/height that would form a rectangle
+ matches = []
+ # Height need not be divisible by 8, but width must.
+ # See pokered gfx/minimize_pic.1bpp.
+ for w in range(8, px_length(image) / 2 + 1, 8):
+ h = px_length(image) / w
+ if w * h == px_length(image):
+ matches += [(w, h)]
+ # go for the most square image
+ if len(matches):
+ width, height = sorted(matches, key= lambda (w, h): (h % 8 != 0, w + h))[0] # favor height
+ else:
+ raise Exception, 'Image can\'t be divided into tiles (%d px)!' % (px_length(image))
+
+ # convert tiles to lines
+ lines = to_lines(flatten(image), width)
+
+ if pal_file == None:
+ palette = None
+ greyscale = True
+ bitdepth = 2
+ px_map = [[3 - pixel for pixel in line] for line in lines]
+
+ else: # gbc color
+ palette = pal_to_png(pal_file)
+ greyscale = False
+ bitdepth = 8
+ px_map = [[pixel for pixel in line] for line in lines]
+
+ return width, height, palette, greyscale, bitdepth, px_map
+
+
+def export_png_to_2bpp(filein, fileout=None, palout=None, tile_padding=0, pic_dimensions=None):
+
+ arguments = {
+ 'tile_padding': tile_padding,
+ 'pic_dimensions': pic_dimensions,
+ }
+ arguments.update(read_filename_arguments(filein))
+
+ image, palette, tmap = png_to_2bpp(filein, **arguments)
+
+ if fileout == None:
+ fileout = os.path.splitext(filein)[0] + '.2bpp'
+ to_file(fileout, image)
+
+ if tmap != None:
+ mapout = os.path.splitext(fileout)[0] + '.tilemap'
+ to_file(mapout, tmap)
+
+ if palout == None:
+ palout = os.path.splitext(fileout)[0] + '.pal'
+ export_palette(palette, palout)
+
+
+def get_image_padding(width, height, wstep=8, hstep=8):
+
+ padding = {
+ 'left': 0,
+ 'right': 0,
+ 'top': 0,
+ 'bottom': 0,
+ }
+
+ if width % wstep and width >= wstep:
+ pad = float(width % wstep) / 2
+ padding['left'] = int(ceil(pad))
+ padding['right'] = int(floor(pad))
+
+ if height % hstep and height >= hstep:
+ pad = float(height % hstep) / 2
+ padding['top'] = int(ceil(pad))
+ padding['bottom'] = int(floor(pad))
+
+ return padding
+
+
+def png_to_2bpp(filein, **kwargs):
+ """
+ Convert a png image to planar 2bpp.
+ """
+
+ tile_padding = kwargs.get('tile_padding', 0)
+ pic_dimensions = kwargs.get('pic_dimensions', None)
+ interleave = kwargs.get('interleave', False)
+ norepeat = kwargs.get('norepeat', False)
+ tilemap = kwargs.get('tilemap', False)
+
+ with open(filein, 'rb') as data:
+ width, height, rgba, info = png.Reader(data).asRGBA8()
+ rgba = list(rgba)
+ greyscale = info['greyscale']
+
+ # png.Reader returns flat pixel data. Nested is easier to work with
+ len_px = 4 # rgba
+ image = []
+ palette = []
+ for line in rgba:
+ newline = []
+ for px in xrange(0, len(line), len_px):
+ color = { 'r': line[px ],
+ 'g': line[px+1],
+ 'b': line[px+2],
+ 'a': line[px+3], }
+ newline += [color]
+ if color not in palette:
+ palette += [color]
+ image += [newline]
+
+ assert len(palette) <= 4, 'Palette should be 4 colors, is really %d' % len(palette)
+
+ # Pad out smaller palettes with greyscale colors
+ hues = {
+ 'white': { 'r': 0xff, 'g': 0xff, 'b': 0xff, 'a': 0xff },
+ 'black': { 'r': 0x00, 'g': 0x00, 'b': 0x00, 'a': 0xff },
+ 'grey': { 'r': 0x55, 'g': 0x55, 'b': 0x55, 'a': 0xff },
+ 'gray': { 'r': 0xaa, 'g': 0xaa, 'b': 0xaa, 'a': 0xff },
+ }
+ for hue in hues.values():
+ if len(palette) >= 4:
+ break
+ if hue not in palette:
+ palette += [hue]
+
+ # Sort palettes by luminance
+ def luminance(color):
+ rough = { 'r': 4.7,
+ 'g': 1.4,
+ 'b': 13.8, }
+ return sum(color[key] * rough[key] for key in rough.keys())
+ palette.sort(key=luminance)
+
+ # Game Boy palette order
+ palette.reverse()
+
+ # Map pixels to quaternary color ids
+ padding = get_image_padding(width, height)
+ width += padding['left'] + padding['right']
+ height += padding['top'] + padding['bottom']
+ pad = [0]
+
+ qmap = []
+ qmap += pad * width * padding['top']
+ for line in image:
+ qmap += pad * padding['left']
+ for color in line:
+ qmap += [palette.index(color)]
+ qmap += pad * padding['right']
+ qmap += pad * width * padding['bottom']
+
+ # Graphics are stored in tiles instead of lines
+ tile_width = 8
+ tile_height = 8
+ num_columns = max(width, tile_width) / tile_width
+ num_rows = max(height, tile_height) / tile_height
+ image = []
+
+ for row in xrange(num_rows):
+ for column in xrange(num_columns):
+
+ # Split it up into strips to convert to planar data
+ for strip in xrange(min(tile_height, height)):
+ anchor = (
+ row * num_columns * tile_width * tile_height +
+ column * tile_width +
+ strip * width
+ )
+ line = qmap[anchor : anchor + tile_width]
+ bottom, top = 0, 0
+ for bit, quad in enumerate(line):
+ bottom += (quad & 1) << (7 - bit)
+ top += (quad /2 & 1) << (7 - bit)
+ image += [bottom, top]
+
+ if pic_dimensions:
+ w, h = pic_dimensions
+
+ tiles = get_tiles(image)
+ pic_length = w * h
+ tile_width = width / 8
+ trailing = len(tiles) % pic_length
+ new_image = []
+ for block in xrange(len(tiles) / pic_length):
+ offset = (h * tile_width) * ((block * w) / tile_width) + ((block * w) % tile_width)
+ pic = []
+ for row in xrange(h):
+ index = offset + (row * tile_width)
+ pic += tiles[index:index + w]
+ new_image += transpose(pic, w)
+ new_image += tiles[len(tiles) - trailing:]
+ image = connect(new_image)
+
+ # Remove any tile padding used to make the png rectangular.
+ image = image[:len(image) - tile_padding * 0x10]
+
+ if interleave:
+ image = deinterleave_tiles(image, num_columns)
+
+ if norepeat:
+ image, tmap = condense_tiles_to_map(image)
+ if not tilemap:
+ tmap = None
+
+ return image, palette, tmap
+
+
+def export_palette(palette, filename):
+ """
+ Export a palette from png to rgb macros in a .pal file.
+ """
+
+ if os.path.exists(filename):
+
+ # Pic palettes are 2 colors (black/white are added later).
+ with open(filename) as rgbs:
+ colors = read_rgb_macros(rgbs.readlines())
+
+ if len(colors) == 2:
+ palette = palette[1:3]
+
+ text = png_to_rgb(palette)
+ with open(filename, 'w') as out:
+ out.write(text)
+
+
+def png_to_lz(filein):
+
+ name = os.path.splitext(filein)[0]
+
+ export_png_to_2bpp(filein)
+ image = open(name+'.2bpp', 'rb').read()
+ to_file(name+'.2bpp'+'.lz', Compressed(image).output)
+
+
+
+def convert_2bpp_to_1bpp(data):
+ """
+ Convert planar 2bpp image data to 1bpp. Assume images are two colors.
+ """
+ return data[::2]
+
+def convert_1bpp_to_2bpp(data):
+ """
+ Convert 1bpp image data to planar 2bpp (black/white).
+ """
+ output = []
+ for i in data:
+ output += [i, i]
+ return output
+
+
+def export_2bpp_to_1bpp(filename):
+ name, extension = os.path.splitext(filename)
+ image = open(filename, 'rb').read()
+ image = convert_2bpp_to_1bpp(image)
+ to_file(name + '.1bpp', image)
+
+def export_1bpp_to_2bpp(filename):
+ name, extension = os.path.splitext(filename)
+ image = open(filename, 'rb').read()
+ image = convert_1bpp_to_2bpp(image)
+ to_file(name + '.2bpp', image)
+
+
+def export_1bpp_to_png(filename, fileout=None):
+
+ if fileout == None:
+ fileout = os.path.splitext(filename)[0] + '.png'
+
+ arguments = read_filename_arguments(filename)
+
+ image = open(filename, 'rb').read()
+ image = convert_1bpp_to_2bpp(image)
+
+ result = convert_2bpp_to_png(image, **arguments)
+ width, height, palette, greyscale, bitdepth, px_map = result
+
+ w = png.Writer(width, height, palette=palette, compression=9, greyscale=greyscale, bitdepth=bitdepth)
+ with open(fileout, 'wb') as f:
+ w.write(f, px_map)
+
+
+def export_png_to_1bpp(filename, fileout=None):
+
+ if fileout == None:
+ fileout = os.path.splitext(filename)[0] + '.1bpp'
+
+ arguments = read_filename_arguments(filename)
+ image = png_to_1bpp(filename, **arguments)
+
+ to_file(fileout, image)
+
+def png_to_1bpp(filename, **kwargs):
+ image, palette, tmap = png_to_2bpp(filename, **kwargs)
+ return convert_2bpp_to_1bpp(image)
+
+
+def mass_to_png(debug=False):
+ # greyscale
+ for root, dirs, files in os.walk('./gfx/'):
+ for name in files:
+ if debug: print os.path.splitext(name), os.path.join(root, name)
+ if os.path.splitext(name)[1] == '.2bpp':
+ export_2bpp_to_png(os.path.join(root, name))
+
+def mass_to_colored_png(debug=False):
+ # greyscale, unless a palette is detected
+ for root, dirs, files in os.walk('./gfx/'):
+ if 'pics' not in root and 'trainers' not in root:
+ for name in files:
+ if debug: print os.path.splitext(name), os.path.join(root, name)
+ if os.path.splitext(name)[1] == '.2bpp':
+ export_2bpp_to_png(os.path.join(root, name))
+ os.utime(os.path.join(root, name), None)
+ elif os.path.splitext(name)[1] == '.1bpp':
+ export_1bpp_to_png(os.path.join(root, name))
+ os.utime(os.path.join(root, name), None)
+
+ # only monster and trainer pics for now
+ for root, dirs, files in os.walk('./gfx/pics/'):
+ for name in files:
+ if debug: print os.path.splitext(name), os.path.join(root, name)
+ if os.path.splitext(name)[1] == '.2bpp':
+ if 'normal.pal' in files:
+ export_2bpp_to_png(os.path.join(root, name), None, os.path.join(root, 'normal.pal'))
+ else:
+ export_2bpp_to_png(os.path.join(root, name))
+ os.utime(os.path.join(root, name), None)
+
+ for root, dirs, files in os.walk('./gfx/trainers/'):
+ for name in files:
+ if debug: print os.path.splitext(name), os.path.join(root, name)
+ if os.path.splitext(name)[1] == '.2bpp':
+ export_2bpp_to_png(os.path.join(root, name))
+ os.utime(os.path.join(root, name), None)
+
+
+def mass_decompress(debug=False):
+ for root, dirs, files in os.walk('./gfx/'):
+ for name in files:
+ if 'lz' in name:
+ if '/pics' in root:
+ if 'front' in name:
+ id = root.split('pics/')[1][:3]
+ if id != 'egg':
+ with open(os.path.join(root, name), 'rb') as lz: de = Decompressed(lz.read(), 'vert', sizes[int(id)-1])
+ else:
+ with open(os.path.join(root, name), 'rb') as lz: de = Decompressed(lz.read(), 'vert', 4)
+ to_file(os.path.join(root, 'front.2bpp'), de.pic)
+ to_file(os.path.join(root, 'tiles.2bpp'), de.animtiles)
+ elif 'back' in name:
+ with open(os.path.join(root, name), 'rb') as lz: de = Decompressed(lz.read(), 'vert')
+ to_file(os.path.join(root, 'back.2bpp'), de.output)
+ elif '/trainers' in root or '/fx' in root:
+ with open(os.path.join(root, name), 'rb') as lz: de = Decompressed(lz.read(), 'vert')
+ to_file(os.path.join(root, os.path.splitext(name)[0]+'.2bpp'), de.output)
+ else:
+ with open(os.path.join(root, name), 'rb') as lz: de = Decompressed(lz.read())
+ to_file(os.path.join(root, os.path.splitext(name)[0]+'.2bpp'), de.output)
+ os.utime(os.path.join(root, name), None)
+
+def append_terminator_to_lzs(directory):
+ # fix lzs that were extracted with a missing terminator
+ for root, dirs, files in os.walk(directory):
+ for file in files:
+ if '.lz' in file:
+ data = open(root+file,'rb').read()
+ if data[-1] != chr(0xff):
+ data += chr(0xff)
+ new = open(root+file,'wb')
+ new.write(data)
+ new.close()
+
+def export_lz_to_png(filename):
+ """
+ Convert a lz file to png. Dump a 2bpp file too.
+ """
+ assert filename[-3:] == ".lz"
+ lz_data = open(filename, "rb").read()
+
+ bpp = Decompressed(lz_data).output
+ bpp_filename = os.path.splitext(filename)[0]
+ to_file(bpp_filename, bpp)
+
+ export_2bpp_to_png(bpp_filename)
+
+ # touch the lz file so it doesn't get remade
+ os.utime(filename, None)
+
+def dump_tileset_pngs():
+ """
+ Convert .lz format tilesets into .png format tilesets.
+
+ Also, leaves a bunch of wonderful .2bpp files everywhere for your amusement.
+ """
+ for tileset_id in range(37):
+ tileset_filename = "./gfx/tilesets/" + str(tileset_id).zfill(2) + ".lz"
+ export_lz_to_png(tileset_filename)
+
+def decompress_frontpic(lz_file):
+ """
+ Convert the pic portion of front.lz to front.2bpp
+ """
+ lz = open(lz_file, 'rb').read()
+ to_file(Decompressed(lz).pic, os.path.splitext(filein)[0] + '.2bpp')
+
+def decompress_frontpic_anim(lz_file):
+ """
+ Convert the animation tile portion of front.lz to tiles.2bpp
+ """
+ lz = open(lz_file, 'rb').read()
+ to_file(Decompressed(lz).animtiles, 'tiles.2bpp')
+
+def expand_pic_palettes():
+ """
+ Add white and black to palette files with fewer than 4 colors.
+
+ Pokemon Crystal only defines two colors for a pic palette to
+ save space, filling in black/white at runtime.
+ Instead of managing palette files of varying length, black
+ and white are added to pic palettes and excluded from incbins.
+ """
+ for root, dirs, files in os.walk('./gfx/'):
+ if 'gfx/pics' in root or 'gfx/trainers' in root:
+ for name in files:
+ if os.path.splitext(name)[1] == '.pal':
+ filename = os.path.join(root, name)
+ palette = bytearray(open(filename, 'rb').read())
+ w = bytearray([0xff, 0x7f])
+ b = bytearray([0x00, 0x00])
+ if len(palette) == 4:
+ with open(filename, 'wb') as out:
+ out.write(w + palette + b)
+
+
+def convert_to_2bpp(filenames=[]):
+ for filename in filenames:
+ filename, name, extension = try_decompress(filename)
+ if extension == '.1bpp':
+ export_1bpp_to_2bpp(filename)
+ elif extension == '.2bpp':
+ pass
+ elif extension == '.png':
+ export_png_to_2bpp(filename)
+ else:
+ raise Exception, "Don't know how to convert {} to 2bpp!".format(filename)
+
+def convert_to_1bpp(filenames=[]):
+ for filename in filenames:
+ filename, name, extension = try_decompress(filename)
+ if extension == '.1bpp':
+ pass
+ elif extension == '.2bpp':
+ export_2bpp_to_1bpp(filename)
+ elif extension == '.png':
+ export_png_to_1bpp(filename)
+ else:
+ raise Exception, "Don't know how to convert {} to 1bpp!".format(filename)
+
+def convert_to_png(filenames=[]):
+ for filename in filenames:
+ filename, name, extension = try_decompress(filename)
+ if extension == '.1bpp':
+ export_1bpp_to_png(filename)
+ elif extension == '.2bpp':
+ export_2bpp_to_png(filename)
+ elif extension == '.png':
+ pass
+ else:
+ raise Exception, "Don't know how to convert {} to png!".format(filename)
+
+def compress(filenames=[]):
+ for filename in filenames:
+ data = open(filename, 'rb').read()
+ lz_data = Compressed(data).output
+ to_file(filename + '.lz', lz_data)
+
+def decompress(filenames=[]):
+ for filename in filenames:
+ name, extension = os.path.splitext(filename)
+ lz_data = open(filename, 'rb').read()
+ data = Decompressed(lz_data).output
+ to_file(name, data)
+
+def try_decompress(filename):
+ """
+ Try to decompress a graphic when determining the filetype.
+ This skips the manual unlz step when attempting
+ to convert lz-compressed graphics to png.
+ """
+ name, extension = os.path.splitext(filename)
+ if extension == '.lz':
+ decompress([filename])
+ filename = name
+ name, extension = os.path.splitext(filename)
+ return filename, name, extension
+
+
+def main():
+ ap = argparse.ArgumentParser()
+ ap.add_argument('mode')
+ ap.add_argument('filenames', nargs='*')
+ args = ap.parse_args()
+
+ method = {
+ '2bpp': convert_to_2bpp,
+ '1bpp': convert_to_1bpp,
+ 'png': convert_to_png,
+ 'lz': compress,
+ 'unlz': decompress,
+ }.get(args.mode, None)
+
+ if method == None:
+ raise Exception, "Unknown conversion method!"
+
+ method(args.filenames)
+
+
+if __name__ == "__main__":
+ main()
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-06 17:05:42 +0000