Jayden/sharpemu
1
0
Fork 0
mirror of https://github.com/par274/sharpemu.git synced 2026-07-30 14:39:42 +08:00
Code Issues Packages Projects Releases Wiki Activity

[GUI] Added Atrac9 audio decoder and improved GUI with audio preview and controller support (#64)

Browse Source 
* [GUI] Added Atrac9 audio decoder and improved GUI with audio preview and controller support

* fix: package.lock.json for SharpEmu.CLI to match the other projects

* fix: packages.lock.json file to include new dependencies for GUI improvements

* rollForward: "disable"
This commit is contained in:
Berk
2026-07-11 19:14:08 +03:00
committed by GitHub
parent f43f7cde9c
commit 79a7437cd8
37 changed files with 4601 additions and 77 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/SharpEmu.GUI/Atrac9/Atrac9Rng.cs
+34
View File
@@ -0,0 +1,34 @@
#nullable disable
namespace LibAtrac9
{
/// <summary>
/// An Xorshift RNG used by the ATRAC9 codec
/// </summary>
internal class Atrac9Rng
{
private ushort _stateA;
private ushort _stateB;
private ushort _stateC;
private ushort _stateD;
public Atrac9Rng(ushort seed)
{
int startValue = 0x4D93 * (seed ^ (seed >> 14));
_stateA = (ushort)(3 - startValue);
_stateB = (ushort)(2 - startValue);
_stateC = (ushort)(1 - startValue);
_stateD = (ushort)(0 - startValue);
}
public ushort Next()
{
ushort t = (ushort)(_stateD ^ (_stateD << 5));
_stateD = _stateC;
_stateC = _stateB;
_stateB = _stateA;
_stateA = (ushort)(t ^ _stateA ^ ((t ^ (_stateA >> 5)) >> 4));
return _stateA;
}
}
}