def read_from_file(input, address, reference): input.seek(anal.addr_to_offset(address)) code = anal.read_int(input, 4) size = reference.get_code_size(code, input) input.seek(anal.addr_to_offset(address + 4)) args = [anal.read_int(input, 4) for _ in range(size - 1)] return SceneIns(code, size, args)
def main(args):
def show_exception_and_exit(exc_type, exc_value, tb):
import traceback
traceback.print_exception(exc_type, exc_value, tb)
sys.exit(-1)
sys.excepthook = show_exception_and_exit
if (len(args) == 0):
sys.exit(":(")
sceneInsReference = ev6anal.InsReference(ev6anal.FE6_SCENE_INS_REFERENCE_ADDR)
analyser = anal.RomAnalyser()
analyser.set_analysis_handler(ev6anal.ANAL_KEY_SCENE, lambda a, i, d, n: ev6anal.analyse_scene(a, i, d, n, sceneInsReference))
analyser.set_analysis_handler(ev6anal.ANAL_KEY_MOMA, ev6anal.analyse_moma)
analyser.set_analysis_handler(ev6anal.ANAL_KEY_UNITS, ev6anal.analyse_units)
analyser.set_analysis_handler(ev6anal.ANAL_KEY_ITEMS, ev6anal.analyse_items)
analyser.set_analysis_handler(ev6anal.ANAL_KEY_EVLIST, ev6anal.analyse_event_list)
analyser.set_analysis_handler(ev6anal.ANAL_KEY_PTRLIST, ev6anal.analyse_chapter_events)
with open(args[0], 'rb') as f:
CHAPTER_TABLE_ADDR = 0x086637A4
CHAPTER_ASSET_ADDR = 0x08664398
for i in range(45):
f.seek(anal.addr_to_offset(CHAPTER_TABLE_ADDR + 0x44*i + 0x3A))
assetId = anal.read_int(f, 1)
if assetId != 0:
f.seek(anal.addr_to_offset(CHAPTER_ASSET_ADDR + 4*assetId))
analyser.enqueue_analysis(anal.read_int(f, 4), ev6anal.ANAL_KEY_PTRLIST, "chapter{}".format(i))
analyser.analyse_queued(f)
printer = anal.AnalysisPrinter()
printer.set_printer(ev6anal.ANAL_KEY_SCENE, lambda a: ScenePrinter.print_scene(a, sceneInsReference))
for line in printer.iter_print_list(analyser.get_analysed_sorted()):
sys.stdout.write(line)
def analyse_moma(analyser, input, address, name):
"""
Analysis handler for movement scripts ("MOMAs").
"""
input.seek(anal.addr_to_offset(address))
start = address
while True:
cmd = anal.read_int(input, 1, True)
address = address + 1
if (cmd == 12):
anal.read_int(input, 1) # void speed
address = address + 1
elif (cmd == -1) | (cmd == 4):
break
return anal.AnalysedObject(
start, address - start, ANAL_KEY_MOMA, anal.read_data_at(input, start, address - start), name)
def get_code_size(self, code, input = None):
if code in self.sizeCache:
return self.sizeCache[code]
elif input:
input.seek(anal.addr_to_offset(self.referenceAddr + code*8 + 4))
size = anal.read_int(input, 4)
self.sizeCache[code] = size
return size
raise Exception("uncached code size with no available input")
def main(args):
def show_exception_and_exit(exc_type, exc_value, tb):
import traceback
traceback.print_exception(exc_type, exc_value, tb)
sys.exit(-1)
sys.excepthook = show_exception_and_exit
if (len(args) == 0):
sys.exit(":(")
analyser = anal.RomAnalyser()
analyser.set_analysis_handler(ANAL_KEY_SCENE, analyse_scene)
analyser.set_analysis_handler(ANAL_KEY_MOMA, analyse_moma)
analyser.set_analysis_handler(ANAL_KEY_UNITS, analyse_units)
analyser.set_analysis_handler(ANAL_KEY_ITEMS, analyse_items)
analyser.set_analysis_handler(ANAL_KEY_EVLIST, analyse_event_list)
analyser.set_analysis_handler(ANAL_KEY_PTRLIST, analyse_chapter_events)
with open(args[0], 'rb') as f:
CHAPTER_TABLE_ADDR = 0x086637A4
CHAPTER_ASSET_ADDR = 0x08664398
for i in range(45):
f.seek(anal.addr_to_offset(CHAPTER_TABLE_ADDR + 0x44*i + 0x3A))
assetId = anal.read_int(f, 1)
if assetId != 0:
f.seek(anal.addr_to_offset(CHAPTER_ASSET_ADDR + 4*assetId))
analyser.enqueue_analysis(anal.read_int(f, 4), ANAL_KEY_PTRLIST, "chapter{}".format(i))
analyser.analyse_queued(f)
for line in analyser.iter_pretty_summary():
print(line)
def analyse_items(analyser, input, address, name): """ Analysis handler for shop item lists. """ input.seek(anal.addr_to_offset(address)) start = address while True: item = anal.read_int(input, 2) address = address + 2 if item == 0: break return anal.AnalysedObject( start, address - start, ANAL_KEY_ITEMS, anal.read_data_at(input, start, address - start), name)
def analyse_units(analyser, input, address, name): """ Analysis handler for unit groups. """ start = address while True: input.seek(anal.addr_to_offset(address)) charId = anal.read_int(input, 1) address = address + 0x10 if charId == 0: break return anal.AnalysedObject( start, address - start, ANAL_KEY_UNITS, anal.read_data_at(input, start, address - start), name)
def analyse_chapter_events(analyser, input, address, name):
"""
Analysis handler for chapter events root ("pointer arrays").
"""
input.seek(anal.addr_to_offset(address))
analyser.enqueue_analysis(anal.read_int(input, 4), ANAL_KEY_EVLIST, name + ".turn") # turn events
analyser.enqueue_analysis(anal.read_int(input, 4), ANAL_KEY_EVLIST, name + ".char") # character events
analyser.enqueue_analysis(anal.read_int(input, 4), ANAL_KEY_EVLIST, name + ".loca") # location events
analyser.enqueue_analysis(anal.read_int(input, 4), ANAL_KEY_EVLIST, name + ".action") # misc events
analyser.enqueue_analysis(anal.read_int(input, 4), ANAL_KEY_UNITS, name + ".blue") # initial blue units
analyser.enqueue_analysis(anal.read_int(input, 4), ANAL_KEY_UNITS, name + ".red") # initial red units
analyser.enqueue_analysis(anal.read_int(input, 4), ANAL_KEY_SCENE, name + ".ending") # ending scene
return anal.AnalysedObject(
address, 0x1C, ANAL_KEY_PTRLIST, anal.read_data_at(input, address, 0x1C), name)
