uvb_parse.py

import sys

def parse_uvb(filepath):
	import struct

	with open(filepath, "rb") as f:
		shouldbeUVab = struct.unpack("I", f.read(4))
		if shouldbeUVab[0] != 1650546261:
			raise Exception("Should be UVab")
		length, = struct.unpack("I", f.read(4))
		if length == 0:
			return []
		data = f.read(length * 4)
		pos = 0
		data_decoded = []
		while pos < (length - 3):
			int1, = struct.unpack("I", data[pos * 4:(pos + 1) * 4])
			float1, = struct.unpack("f", data[pos * 4:(pos + 1) * 4])
			if int1 == 1:
				data_decoded.append([int1, list(struct.unpack("I", data[(pos + 1) * 4:(pos + 2) * 4]))])
				pos += 1
			elif int1 == 2 or int1 == 14 or int1 == 17 or int1 == 19:
				data_decoded.append([int1, list(struct.unpack("I", data[(pos + 1) * 4:(pos + 2) * 4]))])
				pos += 1
			elif int1 == 3:
				data_decoded.append([int1, list(struct.unpack("ffff", data[(pos + 1) * 4:(pos + 5) * 4]))])
				pos += 4
			elif int1 == 4 or int1 == 5 or int1 == 6 or int1 == 7 or int1 == 8 or int1 == 9 or int1 == 10:
				data_decoded.append([int1, list(struct.unpack("ff", data[(pos + 1) * 4:(pos + 3) * 4]))])
				pos += 2
			elif int1 == 11 or int1 == 12:
				data_decoded.append([int1, list(struct.unpack("Iffff", data[(pos + 1) * 4:(pos + 6) * 4]))])
				pos += 5
			elif int1 == 13:
				data_decoded.append([int1, list(struct.unpack("I", data[(pos + 1) * 4:(pos + 2) * 4]))])
				pos += 1
			elif int1 == 15:
				data_decoded.append([int1, list(struct.unpack("III", data[(pos + 1) * 4:(pos + 4) * 4]))])
				pos += 3
			elif int1 == 16 or int1 == 20:
				data_decoded.append([int1, []])
				pos += 0
			elif int1 == 18:
				data_decoded.append([int1, list(struct.unpack("Iffff", data[(pos + 1) * 4:(pos + 6) * 4]))])
				pos += 5
			else:
				data_decoded.append([int1])
			pos += 1
		return data_decoded

dat_type_dic = {
	1 : "jmp",
	2 : "wait",
	3 : "uv_minmax",
	5 : "uv_ofs_set",
	6 : "uv_ofs_add",
	7 : "uv_ofs_dt",
	8 : "uv_scl_set",
	11 : "col_dif",
	12 : "col_emi",
	13 : "cntr_clr",
	14 : "cntr_inc",
	15 : "jmp_neq",
	17 : "uv_target",
	18 : "col_muv",
	19 : "uv_ofs_interp",
	20 : "time_stop",
}

uv_target_dic = {
	0 : "tex1",
	1 : "tex",
	2 : "proj",
	4 : "muv",
	8 : "muv2",
	16 : "dudv",
}

for arg in sys.argv[1:]:
	print("FILE " + arg)
	data_decoded = parse_uvb(arg)
	for dat in data_decoded:
		int1 = dat[0]
		if int1 == 17:
			uv_target = "unknown"
			if dat[1][0] in uv_target_dic:
				uv_target = uv_target_dic[dat[1][0]]
			dat.append(uv_target)
		dat_type = "???"
		if dat[0] in dat_type_dic:
			dat_type = dat_type_dic[dat[0]]
		print(dat_type, dat)