rough program to build guitar hero texs, made only for global_gfx, im not sure about anything else, main program/template here: https://cdn.discordapp.com/attachments/407427813117788161/871908227510595655/zzz_buildbase.zip

buildtex.cs

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;

namespace buildtex
{
	// lost muh code somehow
	// whyyyyyyy
	class Program
	{
		private static string[] config;
		private static string[] curline;
		private static uint line = 0;
		private static uint file = 0;
		private static uint listptr = 28;
		private static uint listptr2 = 0;
		private static uint fileoff = 0;
		private static List<byte[]> dds;
		private static BinaryWriter tex;

		public static byte[] STH(string hex)
		{
			List<byte> list = new List<byte>();
			for (int i = 0; i < hex.Length - 1; i += 2)
			{
				list.Add(byte.Parse(hex.Substring(i, 2), NumberStyles.HexNumber));
			}
			return list.ToArray();
		}
		
		static void Main(string[] args)
		{
			if (File.Exists("config.txt"))
			{
				config = File.ReadAllLines("config.txt");
				File.Delete("output.tex");
				tex = new BinaryWriter(File.OpenWrite("output.tex"));
				line = 0;
				while (line < 7)
				{
					tex.Write(STH(config[line]));
					line++;
				}
				listptr2 = uint.Parse(config[2], NumberStyles.HexNumber);
				while (listptr < listptr2)
				{
					tex.Write((byte)239);
					listptr += 1;
				}
				fileoff = listptr2 + (uint)((config.Length - 7) * 40);
				dds = new List<byte[]>();
				while (line < config.Length)
				{
					tex.Write(STH("0A280200"));
					curline = config[line].Split(new char[]
					{
						','
					});
					tex.Write(STH(curline[0]));
					tex.Write(STH(curline[1]));
					tex.Write(STH("0001"));
					tex.Write(STH(curline[2]));
					tex.Write(STH("0000000000"));
					string imgid = (line - 6).ToString("00000000");
					string[] fileexts = { ".png", ".dds", ".jpg" };
					Console.WriteLine("Loading texture #" + imgid);
					bool foundimg = false;
					for (int i = 0; i < fileexts.Length; i++)
						if (File.Exists(imgid + fileexts[i]))
						{
							dds.Add(File.ReadAllBytes(imgid + fileexts[i]));
							foundimg = true;
							break;
						}
					if (!foundimg)
					{
						dds.Add(new byte[0]);
					}
					tex.Write(STH(fileoff.ToString("x8")));
					tex.Write(STH(dds[dds.Count - 1].Length.ToString("X8")));
					tex.Write(STH("00000000"));
					fileoff += (uint)dds[dds.Count - 1].Length;
					file++;
					line++;
				}
				foreach (byte[] buffer in dds)
				{
					tex.Write(buffer);
				}
				tex.Close();
				Console.WriteLine("Done");
				Console.ReadKey();
			}
		}
	}
}

THIS FORMATTING IS DOG POO
YOU FREAKING GIT!!

edit999: fixed in notepad++