cave-story-randomizer/caver/patcher.py
2021-12-01 01:28:01 -06:00

79 lines
3 KiB
Python

from pathlib import Path
from typing import Callable, Optional
from lupa import LuaRuntime
import logging
import shutil
pre_edited_cs = __import__("pre-edited-cs")
CSVERSION = 3
def patch_files(patch_data: dict, output_dir: Path, progress_update: Callable[[str, float], None]):
progress_update("Copying base files...", 0.0)
ensure_base_files_exist(output_dir)
mapcount = len(patch_data["maps"].keys())
lua_file = Path(__file__).parent.joinpath("tsc_file.lua").read_text()
try:
TscFile = LuaRuntime().execute(lua_file)
except Exception as e:
print(lua_file)
raise e
for i, (mapname, mapdata) in enumerate(patch_data["maps"].items()):
progress_update(f"Patching {mapname}...", i/mapcount)
patch_map(mapname, mapdata, TscFile, output_dir)
progress_update("Copying MyChar...", 1.0)
patch_mychar(patch_data["mychar"], output_dir)
progress_update("Copying hash...", 1.0)
patch_hash(patch_data["hash"], output_dir)
def ensure_base_files_exist(output_dir: Path):
internal_copy = pre_edited_cs.get_path()
version = output_dir.joinpath("data", "Stage", "_version.txt")
keep_existing_files = version.exists() and int(version.read_text()) >= CSVERSION
def should_ignore(path: str, names: list[str]):
base = ["__init__.py", "__pycache__"]
if keep_existing_files:
p = Path(path)
base.extend([p.joinpath(name) for name in names if p.joinpath(name).exists() and p.joinpath(name).is_file()])
return base
shutil.copytree(internal_copy, output_dir, ignore=should_ignore, dirs_exist_ok=True)
output_dir.joinpath("data", "Plaintext").mkdir(exist_ok=True)
def patch_map(mapname: str, mapdata: dict[str, dict], TscFile, output_dir: Path):
mappath = output_dir.joinpath("data", "Stage", f"{mapname}.tsc")
tsc_file = TscFile.new(TscFile, mappath.read_bytes(), logging.getLogger("caver"))
for event, script in mapdata["pickups"].items():
TscFile.placeItemAtLocation(tsc_file, script, event, mapname)
for event, song in mapdata["music"].items():
TscFile.placeSongAtCue(tsc_file, song["song_id"], event, song["original_id"], mapname)
for event, script in mapdata["entrances"].items():
TscFile.placeTraAtEntrance(tsc_file, script, event, mapname)
for event, script in mapdata["hints"].items():
TscFile.placeHintAtEvent(tsc_file, script, event, mapname)
chars = TscFile.getText(tsc_file).values()
mappath.write_bytes(bytes(chars))
output_dir.joinpath("data", "Plaintext", f"{mapname}.txt").write_text(TscFile.getPlaintext(tsc_file))
def patch_mychar(mychar: Optional[str], output_dir: Path):
if mychar is None:
return
mychar_img = Path(mychar).read_bytes()
output_dir.joinpath("data", "MyChar.bmp").write_bytes(mychar_img)
def patch_hash(hash: list[int], output_dir: Path):
hash_strings = [f"{num:04d}" for num in hash]
hash_string = ",".join(hash_strings)
output_dir.joinpath("data", "hash.txt").write_text(hash_string)