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