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import struct
from typing import Optional
from splat.util import options, log
from splat.segtypes.common.codesubsegment import CommonSegCodeSubsegment
class N64SegEvw_colreg(CommonSegCodeSubsegment):
def __init__(self, rom_start, rom_end, type, name, vram_start, args, yaml):
super().__init__(rom_start, rom_end, type, name, vram_start, args=args, yaml=yaml),
self.file_text: Optional[str] = None
self.data_only = isinstance(yaml, dict) and yaml.get("data_only", False)
def scan(self, rom_bytes: bytes):
data = rom_bytes[self.rom_start : self.rom_end]
symbol = self.create_symbol(addr=self.vram_start, in_segment=True, type="data", define=True)
lines = []
if (len(data)) != 16:
log.error(f"Error: evw_colreg segment {self.name} length ({len(data)}) is not 16 bytes!")
if not self.data_only:
lines.append(options.opts.generated_c_preamble)
lines.append("\n")
lines.append(f"EvwAnimeColReg {symbol.name} = ")
frameCount, keyframeCount, prim, env, keyframes = struct.unpack(">HHIII", data)
if prim:
prim_symbol = self.get_symbol(addr=prim).name
else:
prim_symbol = "NULL"
if env:
env_symbol = self.get_symbol(addr=env).name
else:
env_symbol = "NULL"
if keyframes:
keyframes_symbol = self.get_symbol(addr=keyframes).name
else:
keyframes_symbol = "NULL"
lines.append(f"{{ {frameCount}, {keyframeCount}, {prim_symbol}, {env_symbol}, {keyframes_symbol} }}")
if not self.data_only:
lines.append(";")
lines.append("\n")
self.file_text = "".join(lines)
def split(self, rom_bytes: bytes):
path = options.opts.asset_path / self.dir / f"{self.name}.inc.c"
if self.file_text and path:
path.parent.mkdir(parents=True, exist_ok=True)
with open(path, "w", newline="\n") as f:
f.write(self.file_text)
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