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TaikoSoundEditor/NUS3Bank.cs
2023-10-01 19:40:41 +03:00

66 lines
2.1 KiB
C#

using System.Drawing.Text;
using System.IO;
using System.Linq;
using TaikoSoundEditor.Commons.Utils;
using TaikoSoundEditor.Properties;
namespace TaikoSoundEditor
{
internal static class NUS3Bank
{
private static void Write32(byte[] b, int pos, uint x)
{
b[pos++] = (byte)(x & 0xFF); x >>= 8;
b[pos++] = (byte)(x & 0xFF); x >>= 8;
b[pos++] = (byte)(x & 0xFF); x >>= 8;
b[pos] = (byte)(x & 0xFF);
}
public static byte[] GetNus3Bank(string songId, int uniqueId, byte[] idsp, float demostart)
{
Logger.Info($"Creating NUS3BANK");
Logger.Info($"songId = {songId}");
Logger.Info($"uniqId = {uniqueId}");
Logger.Info($"idsp.len = {idsp.Length}");
Logger.Info($"demostart = {demostart}");
using (var ms = new MemoryStream())
{
var header = Resources.song_ABCDEF_nus3bank.ToArray();
Write32(header, 0x4, (uint)idsp.Length);
for (int i = 0; i < songId.Length; i++)
{
header[0xAA + i] = (byte)songId[i];
header[0x612 + i] = (byte)songId[i];
}
for (int i = songId.Length; i < 6; i++)
{
header[0xAA + i] = 0;
header[0x612 + i] = 0;
}
header[0xB4] = (byte)(uniqueId & 0xFF);
header[0xB5] = (byte)((uniqueId >> 8) & 0xFF);
Write32(header, 0x4C, (uint)idsp.Length);
Write32(header, 0x628, (uint)idsp.Length);
Write32(header, 0x74C, (uint)idsp.Length);
Write32(header, 0x4, (uint)idsp.Length);
uint bb = (uint)(demostart * 1000);
Write32(header, 0x6C4, bb);
ms.Write(header);
ms.Write(idsp);
return ms.ToArray();
}
}
private static void Write(this MemoryStream ms, byte[] bytes) => ms.Write(bytes, 0, bytes.Length);
}
}