diff options
Diffstat (limited to 'pokemontools/crystalparts/old_parsers.py')
| -rw-r--r-- | pokemontools/crystalparts/old_parsers.py | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/pokemontools/crystalparts/old_parsers.py b/pokemontools/crystalparts/old_parsers.py new file mode 100644 index 0000000..e07082d --- /dev/null +++ b/pokemontools/crystalparts/old_parsers.py @@ -0,0 +1,424 @@ +""" +Some old methods rescued from crystal.py +""" + +import pointers + +map_header_byte_size = 9 + +all_map_headers = [] + +def old_parse_map_script_header_at(address, map_group=None, map_id=None, debug=True): + logging.debug("starting to parse the map's script header..") + #[[Number1 of pointers] Number1 * [2byte pointer to script][00][00]] + ptr_line_size = 4 #[2byte pointer to script][00][00] + trigger_ptr_cnt = ord(rom[address]) + trigger_pointers = helpers.grouper(rom_interval(address+1, trigger_ptr_cnt * ptr_line_size, strings=False), count=ptr_line_size) + triggers = {} + for index, trigger_pointer in enumerate(trigger_pointers): + logging.debug("parsing a trigger header...") + byte1 = trigger_pointer[0] + byte2 = trigger_pointer[1] + ptr = byte1 + (byte2 << 8) + trigger_address = pointers.calculate_pointer(ptr, pointers.calculate_bank(address)) + trigger_script = parse_script_engine_script_at(trigger_address, map_group=map_group, map_id=map_id) + triggers[index] = { + "script": trigger_script, + "address": trigger_address, + "pointer": {"1": byte1, "2": byte2}, + } + + # bump ahead in the byte stream + address += trigger_ptr_cnt * ptr_line_size + 1 + + #[[Number2 of pointers] Number2 * [hook number][2byte pointer to script]] + callback_ptr_line_size = 3 + callback_ptr_cnt = ord(rom[address]) + callback_ptrs = helpers.grouper(rom_interval(address+1, callback_ptr_cnt * callback_ptr_line_size, strings=False), count=callback_ptr_line_size) + callback_pointers = {} + callbacks = {} + for index, callback_line in enumerate(callback_ptrs): + logging.debug("parsing a callback header..") + hook_byte = callback_line[0] # 1, 2, 3, 4, 5 + callback_byte1 = callback_line[1] + callback_byte2 = callback_line[2] + callback_ptr = callback_byte1 + (callback_byte2 << 8) + callback_address = pointers.calculate_pointer(callback_ptr, pointers.calculate_bank(address)) + callback_script = parse_script_engine_script_at(callback_address) + callback_pointers[len(callback_pointers.keys())] = [hook_byte, callback_ptr] + callbacks[index] = { + "script": callback_script, + "address": callback_address, + "pointer": {"1": callback_byte1, "2": callback_byte2}, + } + + # XXX do these triggers/callbacks call asm or script engine scripts? + return { + #"trigger_ptr_cnt": trigger_ptr_cnt, + "trigger_pointers": trigger_pointers, + #"callback_ptr_cnt": callback_ptr_cnt, + #"callback_ptr_scripts": callback_ptrs, + "callback_pointers": callback_pointers, + "trigger_scripts": triggers, + "callback_scripts": callbacks, + } + + +def old_parse_map_header_at(address, map_group=None, map_id=None, debug=True): + """parses an arbitrary map header at some address""" + logging.debug("parsing a map header at {0}".format(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 = pointers.calculate_pointer(bytes[3] + (bytes[4] << 8), 0x25) + location_on_world_map = bytes[5] # pokegear 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, + } + logging.debug("second map header address is {0}".format(hex(second_map_header_address))) + map_header["second_map_header"] = old_parse_second_map_header_at(second_map_header_address, debug=debug) + event_header_address = map_header["second_map_header"]["event_address"] + script_header_address = map_header["second_map_header"]["script_address"] + # maybe event_header and script_header should be put under map_header["second_map_header"] + map_header["event_header"] = old_parse_map_event_header_at(event_header_address, map_group=map_group, map_id=map_id, debug=debug) + map_header["script_header"] = old_parse_map_script_header_at(script_header_address, map_group=map_group, map_id=map_id, debug=debug) + return map_header + +all_second_map_headers = [] + +def old_parse_second_map_header_at(address, map_group=None, map_id=None, debug=True): + """each map has a second map header""" + bytes = rom_interval(address, second_map_header_byte_size, strings=False) + border_block = bytes[0] + height = bytes[1] + width = bytes[2] + blockdata_bank = bytes[3] + blockdata_pointer = bytes[4] + (bytes[5] << 8) + blockdata_address = pointers.calculate_pointer(blockdata_pointer, blockdata_bank) + script_bank = bytes[6] + script_pointer = bytes[7] + (bytes[8] << 8) + script_address = pointers.calculate_pointer(script_pointer, script_bank) + event_bank = script_bank + event_pointer = bytes[9] + (bytes[10] << 8) + event_address = pointers.calculate_pointer(event_pointer, event_bank) + connections = bytes[11] + return { + "border_block": border_block, + "height": height, + "width": width, + "blockdata_bank": blockdata_bank, + "blockdata_pointer": {"1": bytes[4], "2": bytes[5]}, + "blockdata_address": blockdata_address, + "script_bank": script_bank, + "script_pointer": {"1": bytes[7], "2": bytes[8]}, + "script_address": script_address, + "event_bank": event_bank, + "event_pointer": {"1": bytes[9], "2": bytes[10]}, + "event_address": event_address, + "connections": connections, + } + +def old_parse_warp_bytes(some_bytes, debug=True): + """parse some number of warps from the data""" + assert len(some_bytes) % warp_byte_size == 0, "wrong number of bytes" + warps = [] + for bytes in helpers.grouper(some_bytes, count=warp_byte_size): + y = int(bytes[0], 16) + x = int(bytes[1], 16) + warp_to = int(bytes[2], 16) + map_group = int(bytes[3], 16) + map_id = int(bytes[4], 16) + warps.append({ + "y": y, + "x": x, + "warp_to": warp_to, + "map_group": map_group, + "map_id": map_id, + }) + return warps + +def old_parse_signpost_bytes(some_bytes, bank=None, map_group=None, map_id=None, debug=True): + assert len(some_bytes) % signpost_byte_size == 0, "wrong number of bytes" + signposts = [] + for bytes in helpers.grouper(some_bytes, count=signpost_byte_size): + y = int(bytes[0], 16) + x = int(bytes[1], 16) + func = int(bytes[2], 16) + + additional = {} + if func in [0, 1, 2, 3, 4]: + logging.debug( + "parsing signpost script.. signpost is at x={x} y={y}" + .format(x=x, y=y) + ) + script_ptr_byte1 = int(bytes[3], 16) + script_ptr_byte2 = int(bytes[4], 16) + script_pointer = script_ptr_byte1 + (script_ptr_byte2 << 8) + + script_address = None + script = None + + script_address = pointers.calculate_pointer(script_pointer, bank) + script = parse_script_engine_script_at(script_address, map_group=map_group, map_id=map_id) + + additional = { + "script_ptr": script_pointer, + "script_pointer": {"1": script_ptr_byte1, "2": script_ptr_byte2}, + "script_address": script_address, + "script": script, + } + elif func in [5, 6]: + logging.debug( + "parsing signpost script.. signpost is at x={x} y={y}" + .format(x=x, y=y) + ) + + ptr_byte1 = int(bytes[3], 16) + ptr_byte2 = int(bytes[4], 16) + pointer = ptr_byte1 + (ptr_byte2 << 8) + address = pointers.calculate_pointer(pointer, bank) + bit_table_byte1 = ord(rom[address]) + bit_table_byte2 = ord(rom[address+1]) + script_ptr_byte1 = ord(rom[address+2]) + script_ptr_byte2 = ord(rom[address+3]) + script_address = calculate_pointer_from_bytes_at(address+2, bank=bank) + script = parse_script_engine_script_at(script_address, map_group=map_group, map_id=map_id) + + additional = { + "bit_table_bytes": {"1": bit_table_byte1, "2": bit_table_byte2}, + "script_ptr": script_ptr_byte1 + (script_ptr_byte2 << 8), + "script_pointer": {"1": script_ptr_byte1, "2": script_ptr_byte2}, + "script_address": script_address, + "script": script, + } + else: + logging.debug(".. type 7 or 8 signpost not parsed yet.") + + spost = { + "y": y, + "x": x, + "func": func, + } + spost.update(additional) + signposts.append(spost) + return signposts + +def old_parse_people_event_bytes(some_bytes, address=None, map_group=None, map_id=None, debug=True): + """parse some number of people-events from the data + see http://hax.iimarck.us/files/scriptingcodes_eng.htm#Scripthdr + + For example, map 1.1 (group 1 map 1) has four person-events. + + 37 05 07 06 00 FF FF 00 00 02 40 FF FF + 3B 08 0C 05 01 FF FF 00 00 05 40 FF FF + 3A 07 06 06 00 FF FF A0 00 08 40 FF FF + 29 05 0B 06 00 FF FF 00 00 0B 40 FF FF + """ + assert len(some_bytes) % people_event_byte_size == 0, "wrong number of bytes" + + # address is not actually required for this function to work... + bank = None + if address: + bank = pointers.calculate_bank(address) + + people_events = [] + for bytes in helpers.grouper(some_bytes, count=people_event_byte_size): + pict = int(bytes[0], 16) + y = int(bytes[1], 16) # y from top + 4 + x = int(bytes[2], 16) # x from left + 4 + face = int(bytes[3], 16) # 0-4 for regular, 6-9 for static facing + move = int(bytes[4], 16) + clock_time_byte1 = int(bytes[5], 16) + clock_time_byte2 = int(bytes[6], 16) + color_function_byte = int(bytes[7], 16) # Color|Function + trainer_sight_range = int(bytes[8], 16) + + lower_bits = color_function_byte & 0xF + #lower_bits_high = lower_bits >> 2 + #lower_bits_low = lower_bits & 3 + higher_bits = color_function_byte >> 4 + #higher_bits_high = higher_bits >> 2 + #higher_bits_low = higher_bits & 3 + + is_regular_script = lower_bits == 00 + # pointer points to script + is_give_item = lower_bits == 01 + # pointer points to [Item no.][Amount] + is_trainer = lower_bits == 02 + # pointer points to trainer header + + # goldmap called these next two bytes "text_block" and "text_bank"? + script_pointer_byte1 = int(bytes[9], 16) + script_pointer_byte2 = int(bytes[10], 16) + script_pointer = script_pointer_byte1 + (script_pointer_byte2 << 8) + # calculate the full address by assuming it's in the current bank + # but what if it's not in the same bank? + extra_portion = {} + if bank: + ptr_address = pointers.calculate_pointer(script_pointer, bank) + if is_regular_script: + logging.debug( + "parsing a person-script at x={x} y={y} address={address}" + .format( + x=(x-4), + y=(y-4), + address=hex(ptr_address), + ) + ) + script = parse_script_engine_script_at(ptr_address, map_group=map_group, map_id=map_id) + extra_portion = { + "script_address": ptr_address, + "script": script, + "event_type": "script", + } + if is_give_item: + logging.debug("not parsing give item event.. [item id][quantity]") + extra_portion = { + "event_type": "give_item", + "give_item_data_address": ptr_address, + "item_id": ord(rom[ptr_address]), + "item_qty": ord(rom[ptr_address+1]), + } + if is_trainer: + logging.debug( + "parsing a trainer (person-event) at x={x} y={y}" + .format(x=x, y=y) + ) + parsed_trainer = parse_trainer_header_at(ptr_address, map_group=map_group, map_id=map_id) + extra_portion = { + "event_type": "trainer", + "trainer_data_address": ptr_address, + "trainer_data": parsed_trainer, + } + + # XXX not sure what's going on here + # bit no. of bit table 1 (hidden if set) + # note: FFFF for none + when_byte = int(bytes[11], 16) + hide = int(bytes[12], 16) + + bit_number_of_bit_table1_byte2 = int(bytes[11], 16) + bit_number_of_bit_table1_byte1 = int(bytes[12], 16) + bit_number_of_bit_table1 = bit_number_of_bit_table1_byte1 + (bit_number_of_bit_table1_byte2 << 8) + + people_event = { + "pict": pict, + "y": y, # y from top + 4 + "x": x, # x from left + 4 + "face": face, # 0-4 for regular, 6-9 for static facing + "move": move, + "clock_time": {"1": clock_time_byte1, + "2": clock_time_byte2}, # clock/time setting byte 1 + "color_function_byte": color_function_byte, # Color|Function + "trainer_sight_range": trainer_sight_range, # trainer range of sight + "script_pointer": {"1": script_pointer_byte1, + "2": script_pointer_byte2}, + + #"text_block": text_block, # script pointer byte 1 + #"text_bank": text_bank, # script pointer byte 2 + "when_byte": when_byte, # bit no. of bit table 1 (hidden if set) + "hide": hide, # note: FFFF for none + + "is_trainer": is_trainer, + "is_regular_script": is_regular_script, + "is_give_item": is_give_item, + } + people_event.update(extra_portion) + people_events.append(people_event) + return people_events + +def old_parse_trainer_header_at(address, map_group=None, map_id=None, debug=True): + bank = pointers.calculate_bank(address) + bytes = rom_interval(address, 12, strings=False) + bit_number = bytes[0] + (bytes[1] << 8) + trainer_group = bytes[2] + trainer_id = bytes[3] + text_when_seen_ptr = calculate_pointer_from_bytes_at(address+4, bank=bank) + text_when_seen = parse_text_engine_script_at(text_when_seen_ptr, map_group=map_group, map_id=map_id, debug=debug) + text_when_trainer_beaten_ptr = calculate_pointer_from_bytes_at(address+6, bank=bank) + text_when_trainer_beaten = parse_text_engine_script_at(text_when_trainer_beaten_ptr, map_group=map_group, map_id=map_id, debug=debug) + + if [ord(rom[address+8]), ord(rom[address+9])] == [0, 0]: + script_when_lost_ptr = 0 + script_when_lost = None + else: + logging.debug("parsing script-when-lost") + script_when_lost_ptr = calculate_pointer_from_bytes_at(address+8, bank=bank) + script_when_lost = None + silver_avoids = [0xfa53] + if script_when_lost_ptr > 0x4000 and not script_when_lost_ptr in silver_avoids: + script_when_lost = parse_script_engine_script_at(script_when_lost_ptr, map_group=map_group, map_id=map_id, debug=debug) + + logging.debug("parsing script-talk-again") # or is this a text? + script_talk_again_ptr = calculate_pointer_from_bytes_at(address+10, bank=bank) + script_talk_again = None + if script_talk_again_ptr > 0x4000: + script_talk_again = parse_script_engine_script_at(script_talk_again_ptr, map_group=map_group, map_id=map_id, debug=debug) + + return { + "bit_number": bit_number, + "trainer_group": trainer_group, + "trainer_id": trainer_id, + "text_when_seen_ptr": text_when_seen_ptr, + "text_when_seen": text_when_seen, + "text_when_trainer_beaten_ptr": text_when_trainer_beaten_ptr, + "text_when_trainer_beaten": text_when_trainer_beaten, + "script_when_lost_ptr": script_when_lost_ptr, + "script_when_lost": script_when_lost, + "script_talk_again_ptr": script_talk_again_ptr, + "script_talk_again": script_talk_again, + } + +def old_parse_map_event_header_at(address, map_group=None, map_id=None, debug=True): + """parse crystal map event header byte structure thing""" + returnable = {} + + bank = pointers.calculate_bank(address) + + logging.debug("event header address is {0}".format(hex(address))) + filler1 = ord(rom[address]) + filler2 = ord(rom[address+1]) + returnable.update({"1": filler1, "2": filler2}) + + # warps + warp_count = ord(rom[address+2]) + warp_byte_count = warp_byte_size * warp_count + warps = rom_interval(address+3, warp_byte_count) + after_warps = address + 3 + warp_byte_count + returnable.update({"warp_count": warp_count, "warps": old_parse_warp_bytes(warps)}) + + # triggers (based on xy location) + trigger_count = ord(rom[after_warps]) + trigger_byte_count = trigger_byte_size * trigger_count + triggers = rom_interval(after_warps+1, trigger_byte_count) + after_triggers = after_warps + 1 + trigger_byte_count + returnable.update({"xy_trigger_count": trigger_count, "xy_triggers": old_parse_xy_trigger_bytes(triggers, bank=bank, map_group=map_group, map_id=map_id)}) + + # signposts + signpost_count = ord(rom[after_triggers]) + signpost_byte_count = signpost_byte_size * signpost_count + signposts = rom_interval(after_triggers+1, signpost_byte_count) + after_signposts = after_triggers + 1 + signpost_byte_count + returnable.update({"signpost_count": signpost_count, "signposts": old_parse_signpost_bytes(signposts, bank=bank, map_group=map_group, map_id=map_id)}) + + # people events + people_event_count = ord(rom[after_signposts]) + people_event_byte_count = people_event_byte_size * people_event_count + people_events_bytes = rom_interval(after_signposts+1, people_event_byte_count) + people_events = old_parse_people_event_bytes(people_events_bytes, address=after_signposts+1, map_group=map_group, map_id=map_id) + returnable.update({"people_event_count": people_event_count, "people_events": people_events}) + + return returnable |