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"""
N64 f3dex display list splitter
Dumps out Gfx[] as a .inc.c file.
"""
import re
from typing import Optional
from pathlib import Path
from pygfxd import (
gfxd_buffer_to_string,
gfxd_cimg_callback,
gfxd_dl_callback,
gfxd_endian,
gfxd_execute,
gfxd_input_buffer,
gfxd_light_callback,
gfxd_lookat_callback,
gfxd_macro_dflt,
gfxd_macro_fn,
gfxd_mtx_callback,
gfxd_output_buffer,
gfxd_printf,
gfxd_puts,
gfxd_target,
gfxd_timg_callback,
gfxd_tlut_callback,
gfxd_vp_callback,
gfxd_vtx_callback,
gfxd_zimg_callback,
GfxdEndian,
gfxd_f3d,
gfxd_f3db,
gfxd_f3dex,
gfxd_f3dexb,
gfxd_f3dex2,
)
from ..segment import Segment
from ...util import log, options
from ...util.log import error
from ..common.codesubsegment import CommonSegCodeSubsegment
from ...util import symbols
LIGHTS_RE = re.compile(r"\*\(Lightsn \*\)0x[0-9A-F]{8}")
class N64SegAf_gfx(CommonSegCodeSubsegment):
def __init__(
self,
rom_start: Optional[int],
rom_end: Optional[int],
type: str,
name: str,
vram_start: Optional[int],
args: list,
yaml,
):
super().__init__(
rom_start,
rom_end,
type,
name,
vram_start,
args=args,
yaml=yaml,
)
self.file_text = None
self.data_only = isinstance(yaml, dict) and yaml.get("data_only", False)
self.in_segment = not isinstance(yaml, dict) or yaml.get("in_segment", True)
def format_sym_name(self, sym) -> str:
return sym.name
def get_linker_section(self) -> str:
return ".data"
def out_path(self) -> Path:
return options.opts.asset_path / self.dir / f"{self.name}.gfx.inc.c"
def scan(self, rom_bytes: bytes):
self.file_text = self.disassemble_data(rom_bytes)
def get_gfxd_target(self):
opt = options.opts.gfx_ucode
if opt == "f3d":
return gfxd_f3d
elif opt == "f3db":
return gfxd_f3db
elif opt == "f3dex":
return gfxd_f3dex
elif opt == "f3dexb":
return gfxd_f3dexb
elif opt == "f3dex2":
return gfxd_f3dex2
else:
log.error(f"Unknown target {opt}")
def tlut_handler(self, addr, idx, count):
sym = self.get_symbol(addr=addr)
if sym:
gfxd_printf(self.format_sym_name(sym))
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def timg_handler(self, addr, fmt, size, width, height, pal):
sym = self.get_symbol(addr=addr)
if sym:
gfxd_printf(self.format_sym_name(sym))
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def cimg_handler(self, addr, fmt, size, width):
sym = self.get_symbol(addr=addr)
if sym:
gfxd_printf(self.format_sym_name(sym))
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def zimg_handler(self, addr):
sym = self.get_symbol(addr=addr)
if sym:
gfxd_printf(self.format_sym_name(sym))
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def dl_handler(self, addr):
sym = self.get_symbol(addr=addr)
if sym:
gfxd_printf(self.format_sym_name(sym))
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def mtx_handler(self, addr):
sym = self.get_symbol(addr=addr)
if sym:
gfxd_printf(f"&{self.format_sym_name(sym)}")
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def lookat_handler(self, addr, count):
sym = self.get_symbol(addr=addr)
if sym:
gfxd_printf(self.format_sym_name(sym))
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def light_handler(self, addr, count):
sym = self.get_symbol(addr=addr)
if sym:
gfxd_printf(self.format_sym_name(sym))
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def vtx_handler(self, addr, count):
# this will grab the symbol for addresses between the start address and end address of the vtx array
sym = self.get_symbol(
addr=addr,
in_segment=self.in_segment,
type="Vtx",
reference=True,
search_ranges=True,
)
if sym:
index = int((addr - sym.vram_start) / 0x10)
gfxd_printf(f"&{self.format_sym_name(sym)}[{index}]")
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def vp_handler(self, addr):
sym = self.get_symbol(addr=addr)
if sym:
gfxd_printf(f"&{self.format_sym_name(sym)}")
else:
gfxd_printf(f"0x{addr:08X}")
return 1
def macro_fn(self):
gfxd_puts(" ")
gfxd_macro_dflt()
gfxd_puts(",\n")
return 0
def disassemble_data(self, rom_bytes):
assert isinstance(self.rom_start, int)
assert isinstance(self.rom_end, int)
assert isinstance(self.vram_start, int)
gfx_data = rom_bytes[self.rom_start : self.rom_end]
segment_length = len(gfx_data)
if (segment_length) % 8 != 0:
error(
f"Error: gfx segment {self.name} length ({segment_length}) is not a multiple of 8!"
)
out_str = "" if self.data_only else options.opts.generated_c_preamble + "\n\n"
sym = self.create_symbol(
addr=self.vram_start, in_segment=True, type="data", define=True
)
gfxd_input_buffer(gfx_data)
# TODO terrible guess at the size we'll need - improve this
outb = bytes([0] * segment_length * 100)
outbuf = gfxd_output_buffer(outb, len(outb))
gfxd_target(self.get_gfxd_target())
gfxd_endian(
GfxdEndian.big if options.opts.endianness == "big" else GfxdEndian.little, 4
)
# Callbacks
gfxd_macro_fn(self.macro_fn)
gfxd_tlut_callback(self.tlut_handler)
gfxd_timg_callback(self.timg_handler)
gfxd_cimg_callback(self.cimg_handler)
gfxd_zimg_callback(self.zimg_handler)
gfxd_dl_callback(self.dl_handler)
gfxd_mtx_callback(self.mtx_handler)
gfxd_lookat_callback(self.lookat_handler)
gfxd_light_callback(self.light_handler)
# gfxd_seg_callback ?
gfxd_vtx_callback(self.vtx_handler)
gfxd_vp_callback(self.vp_handler)
# gfxd_uctext_callback ?
# gfxd_ucdata_callback ?
# gfxd_dram_callback ?
gfxd_execute()
if self.data_only:
out_str += gfxd_buffer_to_string(outbuf)
else:
out_str += "Gfx " + self.format_sym_name(sym) + "[] = {\n"
out_str += gfxd_buffer_to_string(outbuf)
out_str += "};\n"
# Poor man's light fix until we get my libgfxd PR merged
def light_sub_func(match):
light = match.group(0)
addr = int(light[12:], 0)
sym = self.create_symbol(
addr=addr, in_segment=self.in_segment, type="data", reference=True
)
return self.format_sym_name(sym)
out_str = re.sub(LIGHTS_RE, light_sub_func, out_str)
return out_str
def split(self, rom_bytes: bytes):
if self.file_text and self.out_path():
self.out_path().parent.mkdir(parents=True, exist_ok=True)
with open(self.out_path(), "w", newline="\n") as f:
f.write(self.file_text)
def should_scan(self) -> bool:
return (
options.opts.is_mode_active("gfx")
and self.rom_start is not None
and self.rom_end is not None
)
def should_split(self) -> bool:
return self.extract and options.opts.is_mode_active("gfx")
|
