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#!/usr/bin/env python3
from argparse import ArgumentParser
import struct
import os
from enum import Enum
from binary_funcs import read_f32, read_u8
def write_array_declaration(c_file, symbol_name: str, scope: str, type: str):
if scope == "local":
var_def_prefix = "static "
else:
var_def_prefix = ""
c_file.write(f"{var_def_prefix}{type} {symbol_name}[] = {{\n")
def format_float_array(elements: list[tuple[float, ...]]) -> str:
if len(elements) == 0:
return ""
num_components: int = len(elements[0])
# Get the longest float for each component
longest_components: list[int] = [0] * num_components
for element in elements:
for i, component in enumerate(element):
length = len(f"{component:f}".rstrip('0'))
if f"{component:f}".rstrip('0').endswith('.'):
length += 1
longest_components[i] = max(length, longest_components[i])
result: str = ""
for element in elements:
# Open each array element
result += " {"
for i, component in enumerate(element):
# Remove all the trailing 0s (unless the value would end with the decimal point)
value = f'{component:f}'.rstrip('0')
if value.endswith('.'):
value += '0'
# Only add the comma + minimum 1 space if this isn't the last element
if i != len(element) - 1:
result += f"{f'{value}f, ':<{longest_components[i] + 3}}"
else:
result += f"{f'{value}f':<{longest_components[i] + 1}}"
result += "},\n"
return result
def convert_binary_to_Vec_c_source(src_path: str, dest_path: str, symbol_name: str, scope: str):
# Load data
with open(src_path, "rb") as binary_file, open(dest_path, "w") as c_file:
write_array_declaration(c_file, symbol_name, scope, "Vec")
elements: list[tuple[float, ...]] = []
while True:
try:
x, y, z = read_f32(binary_file), read_f32(binary_file), read_f32(binary_file)
except EOFError:
break
elements.append((x, y, z))
lines = format_float_array(elements)
c_file.write(lines)
c_file.write("};\n")
def convert_binary_to_cXy_c_source(src_path: str, dest_path: str, symbol_name: str, scope: str):
# Load data
with open(src_path, "rb") as binary_file, open(dest_path, "w") as c_file:
write_array_declaration(c_file, symbol_name, scope, "cXy")
elements: list[tuple[float, ...]] = []
while True:
try:
x, y = read_f32(binary_file), read_f32(binary_file)
except EOFError:
break
elements.append((x, y))
lines = format_float_array(elements)
c_file.write(lines)
c_file.write("};\n")
def convert_binary_to_GXColor_c_source(src_path: str, dest_path: str, symbol_name: str, scope: str):
# Load data
with open(src_path, "rb") as binary_file, open(dest_path, "w") as c_file:
write_array_declaration(c_file, symbol_name, scope, "GXColor")
while True:
try:
r, g, b, a = read_u8(binary_file), read_u8(binary_file), read_u8(binary_file), read_u8(binary_file)
except EOFError:
break
c_file.write(" " + f"{{0x{r:02X}, 0x{g:02X}, 0x{b:02X}, 0x{a:02X}}}" + ",\n")
c_file.write("};\n")
def main():
parser = ArgumentParser(
description="Converts a binary file containing vertex data to an array of the specified type"
)
parser.add_argument("src_path", type=str, help="Binary source file path")
parser.add_argument("dest_path", type=str, help="Destination C include file path")
parser.add_argument(
"--type",
type=str,
help="Data type",
)
parser.add_argument(
"--symbol",
type=str,
help="Symbol name",
)
parser.add_argument(
"--scope",
choices=["global", "local"],
default="local",
help="The scope of the symbol",
)
args = parser.parse_args()
if args.type == "Vec":
convert_binary_to_Vec_c_source(args.src_path, args.dest_path, args.symbol, args.scope)
elif args.type == "cXy":
convert_binary_to_cXy_c_source(args.src_path, args.dest_path, args.symbol, args.scope)
elif args.type == "GXColor":
convert_binary_to_GXColor_c_source(args.src_path, args.dest_path, args.symbol, args.scope)
else:
raise Exception(f"Unknown data type: {args.type}")
if __name__ == "__main__":
main()
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