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#author: Bryan Bishop <kanzure@gmail.com>
#date: 2012-01-03
#purpose: extract .blk files from baserom.gbc
#note: use python2.7 because of subprocess in analyze_incbins
import extract_maps #rom, assert_rom, load_rom, calculate_pointer, load_map_pointers, read_all_map_headers, map_headers
from pretty_map_headers import map_name_cleaner
from analyze_incbins import asm, offset_to_pointer, find_incbin_to_replace_for, split_incbin_line_into_three, generate_diff_insert, load_asm, isolate_incbins, process_incbins
import analyze_incbins
import os, sys
import subprocess
spacing = " "
used_map_pointers = []
def extract_map_block_data(map_id, savefile=False):
map = extract_maps.map_headers[map_id]
if map["name"] == "FREEZE": return #skip this one
blocksdata_pointer = int(map["map_pointer"], 16)
y = int(map["y"], 16)
x = int(map["x"], 16)
size = x*y
#fetch the data from the rom
blocksdata = extract_maps.rom[blocksdata_pointer:blocksdata_pointer+size]
#clean up the filename and label (for pokered.asm)
cleaned_name = map_name_cleaner(map["name"], None)
label_text = cleaned_name.replace("_h", "Blocks")
filename = cleaned_name.replace("_h", "").lower()
full_filepath = "maps/" + filename + ".blk"
if savefile:
print "Saving ../maps/" + filename + ".blk for map id=" + str(map_id)
fh = open("../maps/" + filename + ".blk", "w")
fh.write(blocksdata)
fh.close()
def make_labels(name):
cleaned_name = map_name_cleaner(name, None)
label_text = cleaned_name.replace("_h", "Blocks")
filename = cleaned_name.replace("_h", "").lower()
full_filepath = "maps/" + filename + ".blk"
return cleaned_name, label_text, filename, full_filepath
def generate_label_asm(name,size=None):
cleaned_name, label_text, filename, full_filepath = make_labels(name)
output = label_text + ":"
if size: output += " ; " + str(size) + "\n"
else: output += "\n"
output += spacing + "INCBIN \"" + full_filepath + "\""
return output
def insert_map_block_label(map_id):
map = extract_maps.map_headers[map_id]
address = int(map["map_pointer"], 16)
y = int(map["y"], 16)
x = int(map["x"], 16)
size = x*y
print "map name: " + map["name"]
print "map address: " + map["map_pointer"]
line_number = find_incbin_to_replace_for(address)
if line_number == None:
print "skipping map id=" + str(map_id) + " probably because it was already done."
used_map_pointers.append(map["map_pointer"])
return
newlines = split_incbin_line_into_three(line_number, address, size)
label_asm = generate_label_asm(map["name"], size)
newlines = newlines.split("\n")
if len(newlines) == 2: index = 0 #replace the 1st line with new content
elif len(newlines) == 3: index = 1 #replace the 2nd line with new content
newlines[index] = label_asm
if len(newlines) == 3 and newlines[2][-2:] == "$0":
#get rid of the last incbin line if it is only including 0 bytes
del newlines[2]
#note that this has to be done after adding in the new asm
newlines = "\n".join(line for line in newlines)
#fix a lame error from somewhere
newlines = newlines.replace("$x", "$")
diff = generate_diff_insert(line_number, newlines)
print diff
print "... Applying diff."
#write the diff to a file
fh = open("temp.patch", "w")
fh.write(diff)
fh.close()
#apply the patch
os.system("patch ../pokered.asm temp.patch")
#remove the patch
os.system("rm temp.patch")
#confirm it's working
subprocess.check_call("cd ../; make clean; LC_CTYPE=UTF-8 make", shell=True)
def get_all_map_blockdata():
for map in extract_maps.map_headers.keys():
extract_map_block_data(map)
def insert_all_labels():
"this is very buggy, don't use it"
#limit = 200 #0:150
for map in extract_maps.map_headers.keys():
mapmap = extract_maps.map_headers[map]
if mapmap["name"] == "FREEZE": continue #skip this one
if "Ash's" in mapmap["name"]: continue
if "Gary's" in mapmap["name"]: continue
if not ("cat" in mapmap["name"]) and "copy" in mapmap["name"].lower(): continue #skip this one
#bill's house breaks things?
#if mapmap["name"] == "Bill's House": continue
if mapmap["name"] == "Viridian Forest": continue
#if mapmap["name"] == "Cerulean Mart": continue
if mapmap["name"] == "Virdian Forest Exit": continue
#if "copy" in mapmap["name"].lower(): continue #skip this one too..
if mapmap["map_pointer"] in used_map_pointers: continue #skip for sure
#reset asm
analyze_incbins.asm = None
analyze_incbins.incbin_lines = []
analyze_incbins.processed_incbins = {}
#reload asm each time
load_asm()
#check if this label is already in there
cleaned_name, label_text, filename, full_filepath = make_labels(mapmap["name"])
if label_text in "\n".join(line for line in analyze_incbins.asm):
print "skipping (found label text in asm already)"
used_map_pointers.append(mapmap["map_pointer"])
continue #skip this one
isolate_incbins()
process_incbins()
print "XYZ|" + mapmap["name"]
insert_map_block_label(map)
used_map_pointers.append(mapmap["map_pointer"])
if __name__ == "__main__":
#load map headers
extract_maps.load_rom()
extract_maps.load_map_pointers()
extract_maps.read_all_map_headers()
#load incbins
load_asm()
isolate_incbins()
process_incbins()
#extract_map_block_data(2)
#get_all_map_blockdata()
#insert_map_block_label(49)
insert_all_labels()
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