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MapHeader parsing and to_asm

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This commit is contained in:
Bryan Bishop 2012-04-15 01:11:00 -05:00
parent 49add12c45
commit cbd896b8b9
1 changed files with 28 additions and 26 deletions
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54
extras/crystal.py
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@ -5292,42 +5292,44 @@ def parse_signposts(address, signpost_count, bank=None, map_group=None, map_id=N
return signposts
class MapHeader:
def __init__(self, address, map_group=None, map_id=None, debug=True):
base_label = "MapHeader_"
def __init__(self, address, map_group=None, map_id=None, debug=True, label=None, bank=0x25):
self.address = address
self.map_group = map_group
self.map_id = map_id
self.bank = bank
self.debug = debug
if not label:
self.label = self.base_label + hex(address)
else:
self.label = label
self.last_address = address + 8
sccript_parse_table[address : self.last_address] = self
self.parse()
def parse(self):
address = self.address
self.bank = HexByte(address)
self.tileset = HexByte(address+1)
self.permission = DecimalParam(address+2)
#TODO: is the bank really supposed to be 0x25 all the time ??
self.second_map_header = SecondMapHeader(calculate_pointer(ord(rom[address+3])+(ord(rom[address+4])<<8), self.bank))
self.location_on_world_map = HexByte(address+5)
self.music = HexByte(address+6)
self.time_of_day = DecimalParam(address+7)
self.fishing_group = DecimalParam(address+8)
def to_asm(self):
output = "; bank, tileset, permission\n"
output += "db " + ", ".join([self.bank.to_asm(), self.tileset.to_asm(), self.permission.to_asm()])
output += "\n\n; second map header\n"
output += "dw " + PointerLabelParam(self.second_map_header.address).to_asm()
output += "\n\n; location on world map, music, time of day, fishing group\n"
output += "db " + ", ".join([self.location_on_world_map.to_asm(), self.muisc.to_asm(), self.time_of_day.to_asm(), self.fishing_group.to_asm()])
return output
def parse_map_header_at(address, map_group=None, map_id=None, debug=True):
"""parses an arbitrary map header at some address"""
print "parsing a map header at: " + hex(address)
bytes = rom_interval(address, map_header_byte_size, strings=False, debug=debug)
bank = bytes[0]
tileset = bytes[1]
permission = bytes[2]
second_map_header_address = calculate_pointer(bytes[3] + (bytes[4] << 8), 0x25)
location_on_world_map = bytes[5] #pokégear world map location
music = bytes[6]
time_of_day = bytes[7]
fishing_group = bytes[8]
map_header = {
"bank": bank,
"tileset": tileset,
"permission": permission, #map type?
"second_map_header_pointer": {"1": bytes[3], "2": bytes[4]},
"second_map_header_address": second_map_header_address,
"location_on_world_map": location_on_world_map, #area
"music": music,
"time_of_day": time_of_day,
"fishing": fishing_group,
}
print "second map header address is: " + hex(second_map_header_address)
map_header.update(parse_second_map_header_at(second_map_header_address, debug=debug))
map_header.update(parse_map_event_header_at(map_header["event_address"], map_group=map_group, map_id=map_id, debug=debug))
map_header.update(parse_map_script_header_at(map_header["script_address"], map_group=map_group, map_id=map_id, debug=debug))
map_header = MapHeader(address, map_group=map_group, map_id=map_id, debug=debug)
return map_header
class SecondMapHeader: