mirror of https://github.com/zeldaret/mm.git
				
				
				
			
		
			
				
	
	
		
			133 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			133 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
#!/usr/bin/env python3
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import argparse
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import os
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import sys
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import subprocess
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import tempfile
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from pathlib import Path
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script_dir = Path(os.path.dirname(os.path.realpath(__file__)))
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root_dir = script_dir / ".."
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src_dir = root_dir / "src"
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# Project-specific
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CPP_FLAGS = [
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    "-Iinclude",
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    "-Iinclude/libc",
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    "-Isrc",
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    "-Ibuild/n64-us",
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    "-I.",
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    "-Iextracted/n64-us",
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    "-DF3DEX_GBI_2",
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    "-DF3DEX_GBI_PL",
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    "-DGBI_DOWHILE",
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    "-D__sgi",
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    "-D_LANGUAGE_C",
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    "-DNON_MATCHING",
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    "-D_Static_assert(x, y)=",
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    "-D__attribute__(x)=",
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    "-D_MIPS_SZLONG=32",
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    "-ffreestanding",
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    "-DM2CTX",
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    "-std=gnu89",
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]
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# Read through the processes context and replace whatever
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def custom_replacements(output):
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    actorList = []
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    output = output.splitlines()
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    i = 0
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    while i < len(output):
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        line = output[i]
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        ############### actorLists[2].first -> Player* ###############
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        if "typedef struct ActorListEntry " in line:
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            actorListText = ""
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            i += 1
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            while not output[i].startswith("}"):
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                actorListText += output[i]
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                i += 1
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            actorCats = [
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                "actorSwitch",
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                "bg",
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                "player",
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                "explosive",
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                "npc",
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                "enemy",
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                "prop",
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                "itemAction",
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                "misc",
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                "boss",
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                "door",
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                "chest",
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            ]
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            for x in range(12):
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                actorList.append(actorListText.replace("first;", f"{actorCats[x]};") + "\n")
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                if x == 2:
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                    actorList[x] = actorList[x].replace("Actor*", "struct Player*")
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        elif "ActorListEntry actorLists[ACTORCAT_MAX];" in line:
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            output[i] = "struct {\n" + "".join(actorList) + "};"
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        ########################################################
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        i += 1
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    return "\n".join(output)
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def import_c_file(in_file) -> str:
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    in_file = os.path.relpath(in_file, root_dir)
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    cpp_command = ["gcc", "-E", "-P", "-undef", "-dM", *CPP_FLAGS, in_file]
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    cpp_command2 = ["gcc", "-E", "-P", "-undef", *CPP_FLAGS, in_file]
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    with tempfile.NamedTemporaryFile(suffix=".c") as tmp:
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        stock_macros = subprocess.check_output(["gcc", "-E", "-P", "-undef", "-dM", tmp.name], cwd=root_dir, encoding="utf-8")
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    out_text = ""
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    try:
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        out_text += subprocess.check_output(cpp_command, cwd=root_dir, encoding="utf-8")
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        out_text += subprocess.check_output(cpp_command2, cwd=root_dir, encoding="utf-8")
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    except subprocess.CalledProcessError:
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        print(
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            "Failed to preprocess input file, when running command:\n"
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            + " ".join(cpp_command),
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            file=sys.stderr,
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            )
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        sys.exit(1)
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    if not out_text:
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        print("Output is empty - aborting")
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        sys.exit(1)
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    for line in stock_macros.strip().splitlines():
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        out_text = out_text.replace(line + "\n", "")
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    return out_text
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def main():
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    parser = argparse.ArgumentParser(usage="./m2ctx.py path/to/file.c or ./m2ctx.py (from an actor or gamestate's asm dir)",
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                                     description="Creates a ctx.c file for m2c or decomp.me. "
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                                     "Output will be saved as ctx.c")
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    parser.add_argument('filepath', help="path of c file to be processed")
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    parser.add_argument("--custom", "-c", dest="custom", action="store_true", default=False,
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                        help="Apply custom replacements to the output to help aid m2c output")
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    args = parser.parse_args()
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    c_file_path = args.filepath
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    print("Using file: {}".format(c_file_path))
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    output = import_c_file(c_file_path)
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    if args.custom:
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        output = custom_replacements(output)
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    ctxPath = root_dir / "ctx.c"
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    with ctxPath.open("w", encoding="UTF-8") as f:
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        f.write(output)
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if __name__ == "__main__":
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    main()
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