alysbrooks-public » games » isometric-park-fna

Location: alysbrooks-public/games/isometric-park-fna/FNA/src/Content/ContentReaders/SoundEffectReader.cs - annotation

Show More
Commit Description:
Various UI improvements.
Commit Description:
Various UI improvements.
References:
r291:6a7d5e8510b1 default
File last commit:
r0:e33f209de7e5 default
Show/Diff file:
Action:
FNA/src/Content/ContentReaders/SoundEffectReader.cs
112 lines | 2.5 KiB | text/x-csharp | CSharpLexer
History | Source | Raw | Download
alys
Early working version (including all dependencies, lol).
 r0 #region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
* Copyright 2009-2020 Ethan Lee and the MonoGame Team
*
* Released under the Microsoft Public License.
* See LICENSE for details.
*/
#endregion
#region Using Statements
using System.IO;
using Microsoft.Xna.Framework.Audio;
#endregion
namespace Microsoft.Xna.Framework.Content
{
internal class SoundEffectReader : ContentTypeReader<SoundEffect>
{
#region Private Supported File Extensions Variable
static string[] supportedExtensions = new string[] { ".wav" };
#endregion
#region Internal Filename Normalizer Method
internal static string Normalize(string fileName)
{
return Normalize(fileName, supportedExtensions);
}
#endregion
#region Protected Read Method
protected internal override SoundEffect Read(
ContentReader input,
SoundEffect existingInstance
) {
/* Swap endian - this is one of the very few places requiring this!
* Note: This only affects the fmt chunk that's glued into the file.
*/
bool se = input.platform == 'x';
// Format block length
uint formatLength = input.ReadUInt32();
// WaveFormatEx data
ushort wFormatTag = Swap(se, input.ReadUInt16());
ushort nChannels = Swap(se, input.ReadUInt16());
uint nSamplesPerSec = Swap(se, input.ReadUInt32());
uint nAvgBytesPerSec = Swap(se, input.ReadUInt32());
ushort nBlockAlign = Swap(se, input.ReadUInt16());
ushort wBitsPerSample = Swap(se, input.ReadUInt16());
/* ushort cbSize =*/ input.ReadUInt16();
// Seek past the rest of this crap (cannot seek though!)
input.ReadBytes((int) (formatLength - 18));
// Wavedata
byte[] data = input.ReadBytes(input.ReadInt32());
// Loop information
int loopStart = input.ReadInt32();
int loopLength = input.ReadInt32();
// Sound duration in milliseconds, unused
input.ReadUInt32();
return new SoundEffect(
input.AssetName,
data,
0,
data.Length,
wFormatTag,
nChannels,
nSamplesPerSec,
nAvgBytesPerSec,
nBlockAlign,
wBitsPerSample,
loopStart,
loopLength
);
}
#endregion
#region Internal Static Swapping Methods
internal static ushort Swap(bool swap, ushort x)
{
return !swap ? x : (ushort) (
((x >> 8) & 0x00FF) |
((x << 8) & 0xFF00)
);
}
internal static uint Swap(bool swap, uint x)
{
return !swap ? x : (
((x >> 24) & 0x000000FF) |
((x >> 8) & 0x0000FF00) |
((x << 8) & 0x00FF0000) |
((x << 24) & 0xFF000000)
);
}
#endregion
}
}