95 lines
2.3 KiB
C#
95 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System.Collections.Generic;
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using System.IO;
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namespace OpenRA.FileSystem
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{
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public class IdxEntry
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{
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public const string DefaultExtension = "wav";
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public readonly uint Hash;
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public readonly string Name;
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public readonly string Extension;
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public readonly uint Offset;
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public readonly uint Length;
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public readonly uint SampleRate;
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public readonly uint Flags;
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public readonly uint ChunkSize;
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public IdxEntry(uint hash, uint offset, uint length, uint sampleRate, uint flags, uint chuckSize)
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{
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Hash = hash;
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Offset = offset;
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Length = length;
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SampleRate = sampleRate;
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Flags = flags;
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ChunkSize = chuckSize;
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}
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public IdxEntry(Stream s)
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{
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var asciiname = s.ReadASCII(16);
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var pos = asciiname.IndexOf('\0');
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if (pos != 0)
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asciiname = asciiname.Substring(0, pos);
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Name = asciiname;
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Extension = DefaultExtension;
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Offset = s.ReadUInt32();
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Length = s.ReadUInt32();
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SampleRate = s.ReadUInt32();
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Flags = s.ReadUInt32();
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ChunkSize = s.ReadUInt32();
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Hash = HashFilename(string.Concat(Name, ".", Extension), PackageHashType.CRC32);
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}
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public void Write(BinaryWriter w)
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{
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w.Write(Name.PadRight(16, '\0'));
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w.Write(Offset);
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w.Write(Length);
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w.Write(SampleRate);
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w.Write(Flags);
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w.Write(ChunkSize);
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}
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public override string ToString()
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{
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string filename;
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if (names.TryGetValue(Hash, out filename))
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return "{0} - offset 0x{1:x8} - length 0x{2:x8}".F(filename, Offset, Length);
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else
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return "0x{0:x8} - offset 0x{1:x8} - length 0x{2:x8}".F(Hash, Offset, Length);
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}
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public static uint HashFilename(string name, PackageHashType type)
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{
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return PackageEntry.HashFilename(name, type);
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}
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static Dictionary<uint, string> names = new Dictionary<uint, string>();
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public static void AddStandardName(string s)
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{
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// RA1 and TD
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var hash = HashFilename(s, PackageHashType.Classic);
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names.Add(hash, s);
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// TS
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var crcHash = HashFilename(s, PackageHashType.CRC32);
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names.Add(crcHash, s);
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}
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}
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}
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