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-rw-r--r--pokemontools/gfx.py1671
1 files changed, 1671 insertions, 0 deletions
diff --git a/pokemontools/gfx.py b/pokemontools/gfx.py
new file mode 100644
index 0000000..c632ac0
--- /dev/null
+++ b/pokemontools/gfx.py
@@ -0,0 +1,1671 @@
+# -*- coding: utf-8 -*-
+
+import os
+import sys
+import png
+from math import sqrt, floor, ceil
+
+from crystal import load_rom
+
+from pokemon_constants import pokemon_constants
+from trainers import trainer_group_names
+
+
+if __name__ != "__main__":
+ rom = load_rom()
+
+
+def mkdir_p(path):
+ """
+ Make a directory at a given path.
+ """
+ try:
+ os.makedirs(path)
+ except OSError as exc: # Python >2.5
+ if exc.errno == errno.EEXIST:
+ pass
+ else: raise
+
+
+def hex_dump(input, debug=True):
+ """
+ Display hex dump in rows of 16 bytes.
+ """
+
+ dump = ''
+ output = ''
+ stream = ''
+ address = 0x00
+ margin = 2 + len(hex(len(input))[2:])
+
+ # dump
+ for byte in input:
+ cool = hex(byte)[2:].zfill(2)
+ dump += cool + ' '
+ if debug: stream += cool
+
+ # convenient for testing quick edits in bgb
+ if debug: output += stream + '\n'
+
+ # get dump info
+ bytes_per_line = 16
+ chars_per_byte = 3 # '__ '
+ chars_per_line = bytes_per_line * chars_per_byte
+ num_lines = int(ceil(float(len(dump)) / float(chars_per_line)))
+
+ # top
+ # margin
+ for char in range(margin):
+ output += ' '
+
+ for byte in range(bytes_per_line):
+ output += hex(byte)[2:].zfill(2) + ' '
+ output = output[:-1] # last space
+
+ # print hex
+ for line in range(num_lines):
+ # address
+ output += '\n' + hex(address)[2:].zfill(margin - 2) + ': '
+ # contents
+ start = line * chars_per_line
+ end = chars_per_line + start - 1 # ignore last space
+ output += dump[start:end]
+ address += 0x10
+
+ return output
+
+
+def get_tiles(image):
+ """
+ Split a 2bpp image into 8x8 tiles.
+ """
+ tiles = []
+ tile = []
+ bytes_per_tile = 16
+
+ cur_byte = 0
+ for byte in image:
+ # build tile
+ tile.append(byte)
+ cur_byte += 1
+ # done building?
+ if cur_byte >= bytes_per_tile:
+ # push completed tile
+ tiles.append(tile)
+ tile = []
+ cur_byte = 0
+ return tiles
+
+
+def connect(tiles):
+ """
+ Combine 8x8 tiles into a 2bpp image.
+ """
+ out = []
+ for tile in tiles:
+ for byte in tile:
+ out.append(byte)
+ return out
+
+
+def transpose(tiles):
+ """
+ Transpose a tile arrangement along line y=x.
+ """
+
+ # horizontal <-> vertical
+ # 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
+ # etc
+
+ flipped = []
+ t = 0 # which tile we're on
+ w = int(sqrt(len(tiles))) # assume square image
+ for tile in tiles:
+ flipped.append(tiles[t])
+ t += w
+ # end of row?
+ if t >= w*w:
+ # wrap around
+ t -= w*w
+ # next row
+ t += 1
+ return flipped
+
+
+def to_file(filename, data):
+ file = open(filename, 'wb')
+ for byte in data:
+ file.write('%c' % byte)
+ file.close()
+
+
+
+
+# basic rundown of crystal's compression scheme:
+
+# a control command consists of
+# the command (bits 5-7)
+# and the count (bits 0-4)
+# followed by additional params
+
+lz_lit = 0
+# print literal for [count] bytes
+
+lz_iter = 1
+# print one byte [count] times
+
+lz_alt = 2
+# print alternating bytes (2 params) for [count] bytes
+
+lz_zeros = 3
+# print 00 for [count] bytes
+
+# repeater control commands have a signed parameter used to determine the start point
+# wraparound is simulated
+# positive values are added to the start address of the decompressed data
+# and negative values are subtracted from the current position
+
+lz_repeat = 4
+# print [count] bytes from decompressed data
+
+lz_flip = 5
+# print [count] bytes from decompressed data in bit order 01234567
+
+lz_reverse = 6
+# print [count] bytes from decompressed data backwards
+
+lz_hi = 7
+# -used when the count exceeds 5 bits. uses a 10-bit count instead
+# -bits 2-4 now contain the control code, bits 0-1 are bits 8-9 of the count
+# -the following byte contains bits 0-7 of the count
+
+lz_end = 0xff
+# if 0xff is encountered the decompression ends
+
+# since frontpics have animation tiles lumped onto them,
+# sizes must be grabbed from base stats to know when to stop reading them
+
+max_length = 1 << 10 # can't go higher than 10 bits
+lowmax = 1 << 5 # standard 5-bit param
+
+
+class Compressed:
+
+ """
+ Compress 2bpp data.
+ """
+
+ 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_hi << 5) | (lz_lit << 2) | ((len(self.literals) - 1) >> 8) )
+ self.output.append( (len(self.literals) - 1) & 0xff )
+ elif len(self.literals) > 0:
+ self.output.append( (lz_lit << 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 feasible 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_repeat << 5) | length - 1 )
+
+ # wrong?
+ self.stream.append( (((self.address - repeat[1])^0xff)+1)&0xff )
+
+ else:
+ self.doLiterals()
+ self.stream.append( (lz_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_hi << 5) | (lz_zeros << 2) | ((len(self.zeros) - 1) >> 8) )
+ self.stream.append( (len(self.zeros) - 1) & 0xff )
+ elif len(self.zeros) > 1:
+ self.stream.append( lz_zeros << 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_hi << 5) | (lz_alt << 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_alt << 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_hi << 5) | (lz_iter << 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_iter << 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 2bpp data.
+
+ parameters:
+ [compressed 2bpp 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_hi: # 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_lit:
+ self.doLiteral()
+ elif self.cmd == lz_iter:
+ self.doIter()
+ elif self.cmd == lz_alt:
+ self.doAlt()
+ elif self.cmd == lz_zeros:
+ 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_flip:
+ self.doFlip()
+ elif self.cmd == lz_reverse:
+ self.doReverse()
+ else: # lz_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 2bpp 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 2bpp 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 2bpp output.
+ """
+ for byte in range(self.length):
+ self.output.append(self.output[self.displacement-byte])
+
+ def doRepeat(self):
+ """
+ Repeat bytes from 2bpp 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.
+ """
+ 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
+
+
+
+fxs = 0xcfcf6
+num_fx = 40
+
+def decompress_fx_by_id(id):
+ 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():
+ 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):
+ # 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):
+ # 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):
+ # 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():
+ 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():
+ 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():
+ 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():
+ 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.
+ """
+ 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.
+ """
+ bytes_per_tile = 0x10
+ length = num_tiles*bytes_per_tile
+ end = start + length
+ rom = load_rom()
+ image = []
+ for address in range(start,end):
+ image.append(ord(rom[address]))
+ to_file(filename, image)
+
+
+
+def hex_to_rgb(word):
+ red = word & 0b11111
+ word >>= 5
+ green = word & 0b11111
+ word >>= 5
+ blue = word & 0b11111
+ return (red, green, blue)
+
+def grab_palettes(address, length=0x80):
+ output = ''
+ for word in range(length/2):
+ color = ord(rom[address+1])*0x100 + ord(rom[address])
+ address += 2
+ color = hex_to_rgb(color)
+ red = str(color[0]).zfill(2)
+ green = str(color[1]).zfill(2)
+ blue = str(color[2]).zfill(2)
+ output += '\tRGB '+red+', '+green+', '+blue
+ output += '\n'
+ return output
+
+
+
+
+
+
+
+def dump_monster_pals():
+ rom = load_rom()
+
+ pals = 0xa8d6
+ pal_length = 0x4
+ for mon in range(251):
+
+ name = 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 = 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 pair in range(len(planar)/2):
+ bottom = ord(planar[(pair*2) ])
+ top = ord(planar[(pair*2)+1])
+ strip = []
+ for i in range(7,-1,-1):
+ color = ((bottom >> i) & 1) + (((top >> i-1) if i > 0 else (top << 1-i)) & 2)
+ strip.append(color)
+ strips += strip
+ return strips
+
+
+def to_lines(image, width):
+ """
+ Convert a tiled quaternary pixel map to lines of quaternary pixels.
+ """
+
+ tile = 8 * 8
+
+ # so we know how many strips of 8px we're putting into a line
+ num_columns = width / 8
+ # number of lines
+ height = len(image) / width
+
+ lines = []
+ for cur_line in range(height):
+ tile_row = int(cur_line / 8)
+ line = []
+ for column in range(num_columns):
+ anchor = num_columns*tile_row*tile + column*tile + (cur_line%8)*8
+ line += image[anchor:anchor+8]
+ lines.append(line)
+ return lines
+
+def dmg2rgb(word):
+ red = word & 0b11111
+ word >>= 5
+ green = word & 0b11111
+ word >>= 5
+ blue = word & 0b11111
+ alpha = 255
+ return ((red<<3)+0b100, (green<<3)+0b100, (blue<<3)+0b100, alpha)
+
+def rgb_to_dmg(color):
+ word = (color['r'] / 8)
+ word += (color['g'] / 8) << 5
+ word += (color['b'] / 8) << 10
+ return word
+
+
+def png_pal(filename):
+ palette = []
+ with open(filename, 'rb') as pal_data:
+ words = pal_data.read()
+ dmg_pals = []
+ for word in range(len(words)/2):
+ dmg_pals.append(ord(words[word*2]) + ord(words[word*2+1])*0x100)
+ white = (255,255,255,255)
+ black = (000,000,000,255)
+ for word in dmg_pals: palette += [dmg2rgb(word)]
+ if white not in dmg_pals and len(palette) < 4: palette = [white] + palette
+ if black not in dmg_pals and len(palette) < 4: palette += [black]
+ return palette
+
+
+def to_png(filein, fileout=None, pal_file=None, height=None, width=None):
+ """
+ Take a planar 2bpp graphics file and converts it to png.
+ """
+
+ if fileout == None: fileout = '.'.join(filein.split('.')[:-1]) + '.png'
+
+ image = open(filein, 'rb').read()
+
+ num_pixels = len(image) * 4
+
+ if num_pixels == 0: return 'empty image!'
+
+
+ # unless the pic is square, at least one dimension should be given
+
+ if width == None and height == None:
+ width = int(sqrt(num_pixels))
+ height = width
+
+ elif height == None:
+ height = num_pixels / width
+
+ elif width == None:
+ width = num_pixels / height
+
+
+ # but try to see if it can be made rectangular
+
+ if width * height != num_pixels:
+
+ # look for possible combos of width/height that would form a rectangle
+ matches = []
+
+ # this is pretty inefficient, and there is probably a simpler way
+ for width in range(8,256+1,8): # we only want dimensions that fit in tiles
+ height = num_pixels / width
+ if height % 8 == 0:
+ matches.append((width, height))
+
+ # go for the most square image
+ width, height = sorted(matches, key=lambda (x,y): x+y)[0] # favors height
+
+
+ # if it can't, the only option is a width of 1 tile
+
+ if width * height != num_pixels:
+ width = 8
+ height = num_pixels / width
+
+
+ # if this still isn't rectangular, then the image isn't made of tiles
+
+ # for now we'll just spit out a warning
+ if width * height != num_pixels:
+ print 'Warning! ' + fileout + ' is ' + width + 'x' + height + '(' + width*height + ' pixels),\n' +\
+ 'but ' + filein + ' is ' + num_pixels + ' pixels!'
+
+
+ # map it out
+
+ lines = to_lines(flatten(image), width)
+
+ if pal_file == None:
+ if os.path.exists(os.path.splitext(fileout)[0]+'.pal'):
+ pal_file = os.path.splitext(fileout)[0]+'.pal'
+
+ if pal_file == None:
+ palette = None
+ greyscale = True
+ bitdepth = 2
+ inverse = { 0:3, 1:2, 2:1, 3:0 }
+ map = [[inverse[pixel] for pixel in line] for line in lines]
+
+ else: # gbc color
+ palette = png_pal(pal_file)
+ greyscale = False
+ bitdepth = 8
+ map = [[pixel for pixel in line] for line in lines]
+
+
+ w = png.Writer(width, height, palette=palette, compression = 9, greyscale = greyscale, bitdepth = bitdepth)
+ with open(fileout, 'wb') as file:
+ w.write(file, map)
+
+
+
+
+def to_2bpp(filein, fileout=None, palout=None):
+ """
+ Take a png and converts it to planar 2bpp.
+ """
+
+ if fileout == None: fileout = '.'.join(filein.split('.')[:-1]) + '.2bpp'
+
+ with open(filein, 'rb') as file:
+
+ r = png.Reader(file)
+ info = r.asRGBA8()
+
+ width = info[0]
+ height = info[1]
+
+ rgba = list(info[2])
+ greyscale = info[3]['greyscale']
+
+
+ padding = { 'left': 0,
+ 'right': 0,
+ 'top': 0,
+ 'bottom': 0, }
+ #if width % 8 != 0:
+ # padding['left'] = int(ceil((width / 8 + 8 - width) / 2))
+ # padding['right'] = int(floor((width / 8 + 8 - width) / 2))
+ #if height % 8 != 0:
+ # padding['top'] = int(ceil((height / 8 + 8 - height) / 2))
+ # padding['bottom'] = int(floor((height / 8 + 8 - height) / 2))
+
+
+ # turn the flat values into something more workable
+
+ pixel_length = 4 # rgba
+ image = []
+
+ # while we're at it, let's size up the palette
+
+ palette = []
+
+ for line in rgba:
+ newline = []
+ for pixel in range(len(line)/pixel_length):
+ i = pixel * pixel_length
+ color = { 'r': line[i ],
+ 'g': line[i+1],
+ 'b': line[i+2],
+ 'a': line[i+3], }
+ newline += [color]
+ if color not in palette: palette += [color]
+ image.append(newline)
+
+ # pad out any small palettes
+ 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 },
+ }
+ while len(palette) < 4:
+ for hue in hues.values():
+ if not any(color is hue for color in palette):
+ palette += [hue]
+ if len(palette) >= 4: break
+
+ assert len(palette) <= 4, 'Palette should be 4 colors, is really ' + str(len(palette))
+
+ # sort by luminance
+ def luminance(color):
+ # this is actually in reverse, thanks to dmg/cgb palette ordering
+ rough = { 'r': 4.7,
+ 'g': 1.4,
+ 'b': 13.8, }
+ return sum(color[key] * -rough[key] for key in rough.keys())
+ palette = sorted(palette, key=luminance)
+
+ # spit out a new .pal file
+ # disable this if it causes problems with paletteless images
+ if palout == None:
+ if os.path.exists(os.path.splitext(fileout)[0]+'.pal'):
+ palout = os.path.splitext(fileout)[0]+'.pal'
+ if palout != None:
+ output = []
+ for color in palette:
+ word = rgb_to_dmg(color)
+ output += [word & 0xff]
+ output += [word >> 8]
+ to_file(palout, output)
+
+ # create a new map of quaternary color ids
+ map = []
+ if padding['top']: map += [0] * (width + padding['left'] + padding['right']) * padding['top']
+ for line in image:
+ if padding['left']: map += [0] * padding['left']
+ for color in line:
+ map.append(palette.index(color))
+ if padding['right']: map += [0] * padding['right']
+ if padding['bottom']: map += [0] * (width + padding['left'] + padding['right']) * padding['bottom']
+
+ # split it into strips of 8, and make them planar
+ num_columns = width / 8
+ num_rows = height / 8
+ tile = 8 * 8
+ image = []
+ for row in range(num_rows):
+ for column in range(num_columns):
+ for strip in range(tile / 8):
+ anchor = row*num_columns*tile + column*tile/8 + strip*width
+ line = map[anchor:anchor+8]
+ bottom = 0
+ top = 0
+ for bit, quad in enumerate(line):
+ bottom += (quad & 1) << (7-bit)
+ top += ((quad & 2) >> 1) << (7-bit)
+ image.append(bottom)
+ image.append(top)
+
+ to_file(fileout, image)
+
+
+def png_to_lz(filein):
+
+ name = os.path.splitext(filein)[0]
+
+ to_2bpp(filein)
+ image = open(name+'.2bpp', 'rb').read()
+ to_file(name+'.lz', Compressed(image).output)
+
+
+
+
+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':
+ 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':
+ 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:
+ to_png(os.path.join(root, name), None, os.path.join(root, 'normal.pal'))
+ else:
+ 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':
+ 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 lz_to_png_by_file(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 = filename.replace(".lz", ".2bpp")
+ to_file(bpp_filename, bpp)
+ to_png(bpp_filename)
+
+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"
+ lz_to_png_by_file(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)
+
+if __name__ == "__main__":
+ debug = False
+
+ argv = [None] * 5
+ for i, arg in enumerate(sys.argv):
+ argv[i] = arg
+
+ if argv[1] == 'dump-pngs':
+ mass_to_colored_png()
+
+ elif argv[1] == 'mass-decompress':
+ mass_decompress()
+
+ elif argv[1] == 'front-to-2bpp':
+ decompress_frontpic(argv[2])
+
+ elif argv[1] == 'anim-from-front':
+ decompress_frontpic_anim(argv[2])
+
+ elif argv[1] == 'lz-to-2bpp':
+ name = os.path.splitext(argv[3])[0]
+ lz = open(name+'.lz', 'rb').read()
+ if argv[2] == '--vert':
+ to_file(name+'.2bpp', Decompressed(lz, 'vert').output)
+ else:
+ to_file(name+'.2bpp', Decompressed(lz).output)
+
+ elif argv[1] == 'lz-to-png':
+ if argv[2] == '--vert':
+ name = os.path.splitext(argv[3])[0]
+ lz = open(name+'.lz', 'rb').read()
+ to_file(name+'.2bpp', Decompressed(lz, 'vert').output)
+ pic = open(name+'.2bpp', 'rb').read()
+ to_file(name+'.png', to_png(pic))
+ else:
+ lz_to_png_by_file(argv[2])
+
+ elif argv[1] == 'png-to-lz':
+ # python gfx.py png-to-lz [--front anim(2bpp) | --vert] [png]
+ if argv[2] == '--front':
+ # front.2bpp and tiles.2bpp are combined before compression,
+ # so we have to pass in the anim file and pic size
+ name = os.path.splitext(argv[4])[0]
+ to_2bpp(name+'.png', name+'.2bpp')
+ pic = open(name+'.2bpp', 'rb').read()
+ anim = open(argv[3], 'rb').read()
+ size = int(sqrt(len(pic)/16)) # assume square pic
+ to_file(name+'.lz', Compressed(pic + anim, 'vert', size).output)
+ elif argv[2] == '--vert':
+ name = os.path.splitext(argv[3])[0]
+ to_2bpp(name+'.png', name+'.2bpp')
+ pic = open(name+'.2bpp', 'rb').read()
+ to_file(name+'.lz', Compressed(pic, 'vert').output)
+ else:
+ png_to_lz(argv[2])
+
+ elif argv[1] == 'png-to-2bpp':
+ to_2bpp(argv[2])
+
+ elif argv[1] == '2bpp-to-lz':
+ if argv[2] == '--vert':
+ filein = argv[3]
+ fileout = argv[4]
+ compress_file(filein, fileout, 'vert')
+ else:
+ filein = argv[2]
+ fileout = argv[3]
+ compress_file(filein, fileout)
+
+ elif argv[1] == '2bpp-to-png':
+ to_png(argv[2])
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-06 06:37:33 +0000