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Update csdis.py (#2459)

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* csdis: move filemap import to main() as it is only needed there

* csdis: fix CS_TIME macro

* csdis: make `disassemble_cutscene` return cutscene size in words

* add comment on why total_entries+1
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Dragorn421 2025-02-09 22:42:39 +01:00 • committed by GitHub
parent 130ac11458
commit 36b71ca2de
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1 changed files with 15 additions and 8 deletions
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23
tools/csdis.py
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@ -2,8 +2,6 @@
# Disassemble a cutscene script
from overlayhelpers import filemap
import argparse, os, struct
import math
@ -506,7 +504,7 @@ cutscene_command_macros = {
"CS_RUMBLE_CONTROLLER(%h2:1:x, %h1:1:s, %h2:2:s, %b2:2:x, %b1:2:x, %b4:3:x, %b3:3:x, %h1:3:x)", 3),
140:
("CS_TIME_LIST(%w1:1:s)", 2, None, 0,
"CS_TIME(%h2:1:x, %h1:1:s, %h2:2:s, %b2:2:x, %b1:2:x, %w1:3:x)", 3),
"CS_TIME(%h2:1:x, %h1:1:s, %h2:2:s, %b2:2:x, %b1:2:x)", 3),
10:
("CS_PLAYER_CUE_LIST(%w1:1:s)", 2, None, 0,
"CS_PLAYER_CUE(%h2:1:e6, %h1:1:s, %h2:2:s, %h1:2:x, %h2:3:x, %h1:3:x, %w1:4:s, %w1:5:s, %w1:6:s, %w1:7:s, %w1:8:s, %w1:9:s, %w1:10:f, %w1:11:f, %w1:12:f)", 12),
@ -711,7 +709,12 @@ Note that this isn't protected against indexing errors since a cutscene should a
end before the end of the file it's in.
"""
def disassemble_cutscene(cs_in):
def disassemble_cutscene(cs_in) -> tuple[int, str]:
"""
Takes a sequence of words cs_in
Returns a tuple (cutscene_size_in_words, cutscene_macros_source)
"""
i = 0
total_entries = cs_in[i]
i+=1
@ -720,12 +723,14 @@ def disassemble_cutscene(cs_in):
if (total_entries < 0 or cutscene_end_frame < 0):
print("This cutscene would abort if played in-engine")
if total_entries < 0:
return "Could not disassemble cutscene: Number of commands is negative"
raise Exception("Could not disassemble cutscene: Number of commands is negative")
macros = format_cmd(begin_cutscene_entry[0], [total_entries, cutscene_end_frame])+line_end
# iterate total_entries+1 times to also parse the CS_END_OF_SCRIPT command,
# which is not included in the count
for k in range(0,total_entries+1):
cmd_type = cs_in[i]
if (cmd_type == 0xFFFFFFFF):
return macros + multi_key(-1)[0]+line_end
return (i+2), (macros + multi_key(-1)[0]+line_end)
entry = multi_key(cmd_type)
if entry is None:
entry = unk_data_entry
@ -758,12 +763,14 @@ def disassemble_cutscene(cs_in):
else:
i += n_words
print("Warning: cutscene reached maximum entries without encountering a CS_END_SCRIPT command")
return macros
return i, macros
def hex_parse(s):
return int(s, 16)
def main():
from overlayhelpers import filemap
parser = argparse.ArgumentParser(description="Disassembles cutscenes for OoT")
parser.add_argument('address', help="VRAM or ROM address to disassemble at", type=hex_parse)
args = parser.parse_args()
@ -785,7 +792,7 @@ def main():
ovl_file.seek(file_result.offset)
cs_data = [i[0] for i in struct.iter_unpack(">I", bytearray(ovl_file.read()))]
if cs_data is not None:
print("static CutsceneData D_" + hex(args.address).replace("0x","").upper() + "[] = {\n" + indent+disassemble_cutscene(cs_data).replace(linesep,linesep+indent).rstrip()+"\n};")
print("static CutsceneData D_" + hex(args.address).replace("0x","").upper() + "[] = {\n" + indent+disassemble_cutscene(cs_data)[1].replace(linesep,linesep+indent).rstrip()+"\n};")
if __name__ == "__main__":
main()