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765 lines
23 KiB
C#
765 lines
23 KiB
C#
/*
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Copyright(c) 2015 Neodymium
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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//shamelessly stolen and mangled
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace CodeWalker.GameFiles
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{
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/// <summary>
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/// Represents a resource data reader.
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/// </summary>
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public class ResourceDataReader : DataReader
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{
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private const long SYSTEM_BASE = 0x50000000;
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private const long GRAPHICS_BASE = 0x60000000;
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private Stream systemStream;
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private Stream graphicsStream;
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public RpfResourceFileEntry FileEntry { get; set; }
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// this is a dictionary that contains all the resource blocks
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// which were read from this resource reader
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public Dictionary<long, IResourceBlock> blockPool = new Dictionary<long, IResourceBlock>();
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public Dictionary<long, object> arrayPool = new Dictionary<long, object>();
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/// <summary>
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/// Gets the length of the underlying stream.
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/// </summary>
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public override long Length
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{
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get
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{
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return -1;
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}
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}
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/// <summary>
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/// Gets or sets the position within the underlying stream.
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/// </summary>
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public override long Position
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{
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get;
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set;
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}
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/// <summary>
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/// Initializes a new resource data reader for the specified system- and graphics-stream.
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/// </summary>
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public ResourceDataReader(Stream systemStream, Stream graphicsStream, Endianess endianess = Endianess.LittleEndian)
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: base((Stream)null, endianess)
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{
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this.systemStream = systemStream;
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this.graphicsStream = graphicsStream;
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}
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public ResourceDataReader(RpfResourceFileEntry resentry, byte[] data, Endianess endianess = Endianess.LittleEndian)
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: base((Stream)null, endianess)
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{
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FileEntry = resentry;
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var systemSize = resentry.SystemSize;
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var graphicsSize = resentry.GraphicsSize;
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//if (data != null)
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//{
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// if (systemSize > data.Length)
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// {
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// systemSize = data.Length;
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// graphicsSize = 0;
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// }
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// else if ((systemSize + graphicsSize) > data.Length)
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// {
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// graphicsSize = data.Length - systemSize;
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// }
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//}
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this.systemStream = new MemoryStream(data, 0, systemSize);
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this.graphicsStream = new MemoryStream(data, systemSize, graphicsSize);
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Position = 0x50000000;
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}
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public ResourceDataReader(int systemSize, int graphicsSize, byte[] data, Endianess endianess = Endianess.LittleEndian)
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: base((Stream)null, endianess)
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{
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this.systemStream = new MemoryStream(data, 0, systemSize);
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this.graphicsStream = new MemoryStream(data, systemSize, graphicsSize);
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Position = 0x50000000;
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}
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/// <summary>
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/// Reads data from the underlying stream. This is the only method that directly accesses
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/// the data in the underlying stream.
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/// </summary>
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protected override byte[] ReadFromStream(int count, bool ignoreEndianess = false)
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{
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if ((Position & SYSTEM_BASE) == SYSTEM_BASE)
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{
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// read from system stream...
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systemStream.Position = Position & ~0x50000000;
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var buffer = new byte[count];
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systemStream.Read(buffer, 0, count);
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// handle endianess
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if (!ignoreEndianess && (Endianess == Endianess.BigEndian))
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{
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Array.Reverse(buffer);
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}
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Position = systemStream.Position | 0x50000000;
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return buffer;
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}
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if ((Position & GRAPHICS_BASE) == GRAPHICS_BASE)
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{
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// read from graphic stream...
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graphicsStream.Position = Position & ~0x60000000;
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var buffer = new byte[count];
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graphicsStream.Read(buffer, 0, count);
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// handle endianess
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if (!ignoreEndianess && (Endianess == Endianess.BigEndian))
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{
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Array.Reverse(buffer);
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}
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Position = graphicsStream.Position | 0x60000000;
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return buffer;
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}
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throw new Exception("illegal position!");
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}
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/// <summary>
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/// Reads a block.
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/// </summary>
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public T ReadBlock<T>(params object[] parameters) where T : IResourceBlock, new()
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{
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var usepool = !typeof(IResourceNoCacheBlock).IsAssignableFrom(typeof(T));
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if (usepool)
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{
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// make sure to return the same object if the same
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// block is read again...
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if (blockPool.ContainsKey(Position))
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{
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var block = blockPool[Position];
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if (block is T tblk)
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{
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Position += block.BlockLength;
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return tblk;
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}
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else
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{
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usepool = false;
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}
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}
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}
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var result = new T();
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// replace with correct type...
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if (result is IResourceXXSystemBlock)
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{
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result = (T)((IResourceXXSystemBlock)result).GetType(this, parameters);
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}
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if (result == null)
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{
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return default(T);
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}
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if (usepool)
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{
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blockPool[Position] = result;
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}
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result.Read(this, parameters);
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return result;
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}
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/// <summary>
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/// Reads a block at a specified position.
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/// </summary>
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public T ReadBlockAt<T>(ulong position, params object[] parameters) where T : IResourceBlock, new()
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{
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if (position != 0)
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{
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var positionBackup = Position;
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Position = (long)position;
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var result = ReadBlock<T>(parameters);
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Position = positionBackup;
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return result;
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}
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else
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{
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return default(T);
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}
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}
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public T[] ReadBlocks<T>(ulong[] pointers) where T : IResourceBlock, new()
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{
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if (pointers == null) return null;
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var count = pointers.Length;
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var items = new T[count];
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for (int i = 0; i < count; i++)
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{
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items[i] = ReadBlockAt<T>(pointers[i]);
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}
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return items;
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}
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public byte[] ReadBytesAt(ulong position, uint count, bool cache = true)
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{
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long pos = (long)position;
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if ((pos <= 0) || (count == 0)) return null;
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var posbackup = Position;
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Position = pos;
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var result = ReadBytes((int)count);
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Position = posbackup;
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if (cache) arrayPool[(long)position] = result;
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return result;
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}
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public ushort[] ReadUshortsAt(ulong position, uint count, bool cache = true)
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{
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if ((position <= 0) || (count == 0)) return null;
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var result = new ushort[count];
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var length = count * 2;
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byte[] data = ReadBytesAt(position, length, false);
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Buffer.BlockCopy(data, 0, result, 0, (int)length);
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//var posbackup = Position;
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//Position = position;
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//var result2 = new ushort[count];
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//for (uint i = 0; i < count; i++)
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//{
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// result2[i] = ReadUInt16();
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//}
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//Position = posbackup;
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if (cache) arrayPool[(long)position] = result;
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return result;
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}
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public short[] ReadShortsAt(ulong position, uint count, bool cache = true)
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{
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if ((position <= 0) || (count == 0)) return null;
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var result = new short[count];
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var length = count * 2;
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byte[] data = ReadBytesAt(position, length, false);
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Buffer.BlockCopy(data, 0, result, 0, (int)length);
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if (cache) arrayPool[(long)position] = result;
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return result;
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}
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public uint[] ReadUintsAt(ulong position, uint count, bool cache = true)
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{
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if ((position <= 0) || (count == 0)) return null;
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var result = new uint[count];
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var length = count * 4;
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byte[] data = ReadBytesAt(position, length, false);
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Buffer.BlockCopy(data, 0, result, 0, (int)length);
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//var posbackup = Position;
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//Position = position;
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//var result = new uint[count];
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//for (uint i = 0; i < count; i++)
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//{
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// result[i] = ReadUInt32();
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//}
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//Position = posbackup;
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if (cache) arrayPool[(long)position] = result;
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return result;
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}
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public ulong[] ReadUlongsAt(ulong position, uint count, bool cache = true)
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{
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if ((position <= 0) || (count == 0)) return null;
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var result = new ulong[count];
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var length = count * 8;
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byte[] data = ReadBytesAt(position, length, false);
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Buffer.BlockCopy(data, 0, result, 0, (int)length);
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//var posbackup = Position;
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//Position = position;
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//var result = new ulong[count];
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//for (uint i = 0; i < count; i++)
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//{
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// result[i] = ReadUInt64();
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//}
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//Position = posbackup;
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if (cache) arrayPool[(long)position] = result;
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return result;
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}
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public float[] ReadFloatsAt(ulong position, uint count, bool cache = true)
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{
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if ((position <= 0) || (count == 0)) return null;
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var result = new float[count];
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var length = count * 4;
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byte[] data = ReadBytesAt(position, length, false);
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Buffer.BlockCopy(data, 0, result, 0, (int)length);
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//var posbackup = Position;
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//Position = position;
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//var result = new float[count];
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//for (uint i = 0; i < count; i++)
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//{
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// result[i] = ReadSingle();
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//}
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//Position = posbackup;
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if (cache) arrayPool[(long)position] = result;
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return result;
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}
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public T[] ReadStructsAt<T>(ulong position, uint count, bool cache = true)
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{
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if ((position <= 0) || (count == 0)) return null;
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uint structsize = (uint)Marshal.SizeOf(typeof(T));
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var length = count * structsize;
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byte[] data = ReadBytesAt(position, length, false);
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//var result2 = new T[count];
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//Buffer.BlockCopy(data, 0, result2, 0, (int)length); //error: "object must be an array of primitives" :(
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var result = new T[count];
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GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
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var h = handle.AddrOfPinnedObject();
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for (uint i = 0; i < count; i++)
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{
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result[i] = Marshal.PtrToStructure<T>(h + (int)(i * structsize));
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}
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handle.Free();
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if (cache) arrayPool[(long)position] = result;
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return result;
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}
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public T[] ReadStructs<T>(uint count)
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{
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uint structsize = (uint)Marshal.SizeOf(typeof(T));
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var result = new T[count];
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var length = count * structsize;
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byte[] data = ReadBytes((int)length);
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GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
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var h = handle.AddrOfPinnedObject();
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for (uint i = 0; i < count; i++)
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{
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result[i] = Marshal.PtrToStructure<T>(h + (int)(i * structsize));
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}
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handle.Free();
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return result;
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}
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public T ReadStruct<T>() where T : struct
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{
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uint structsize = (uint)Marshal.SizeOf(typeof(T));
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var length = structsize;
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byte[] data = ReadBytes((int)length);
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GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
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var h = handle.AddrOfPinnedObject();
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var result = Marshal.PtrToStructure<T>(h);
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handle.Free();
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return result;
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}
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public T ReadStructAt<T>(long position) where T : struct
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{
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if ((position <= 0)) return default(T);
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var posbackup = Position;
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Position = (long)position;
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var result = ReadStruct<T>();
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Position = posbackup;
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return result;
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}
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public string ReadStringAt(ulong position)
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{
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long newpos = (long)position;
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if ((newpos <= 0)) return null;
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var lastpos = Position;
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Position = newpos;
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var result = ReadString();
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Position = lastpos;
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arrayPool[newpos] = result;
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return result;
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}
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}
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/// <summary>
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/// Represents a resource data writer.
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/// </summary>
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public class ResourceDataWriter : DataWriter
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{
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private const long SYSTEM_BASE = 0x50000000;
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private const long GRAPHICS_BASE = 0x60000000;
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private Stream systemStream;
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private Stream graphicsStream;
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/// <summary>
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/// Gets the length of the underlying stream.
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/// </summary>
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public override long Length
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{
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get
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{
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return -1;
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}
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}
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/// <summary>
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/// Gets or sets the position within the underlying stream.
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/// </summary>
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public override long Position
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{
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get;
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set;
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}
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/// <summary>
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/// Initializes a new resource data reader for the specified system- and graphics-stream.
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/// </summary>
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public ResourceDataWriter(Stream systemStream, Stream graphicsStream, Endianess endianess = Endianess.LittleEndian)
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: base((Stream)null, endianess)
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{
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this.systemStream = systemStream;
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this.graphicsStream = graphicsStream;
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}
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/// <summary>
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/// Writes data to the underlying stream. This is the only method that directly accesses
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/// the data in the underlying stream.
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/// </summary>
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protected override void WriteToStream(byte[] value, bool ignoreEndianess = true)
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{
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if ((Position & SYSTEM_BASE) == SYSTEM_BASE)
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{
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// write to system stream...
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systemStream.Position = Position & ~SYSTEM_BASE;
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// handle endianess
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if (!ignoreEndianess && (Endianess == Endianess.BigEndian))
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{
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var buf = (byte[])value.Clone();
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Array.Reverse(buf);
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systemStream.Write(buf, 0, buf.Length);
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}
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else
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{
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systemStream.Write(value, 0, value.Length);
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}
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Position = systemStream.Position | 0x50000000;
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return;
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}
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if ((Position & GRAPHICS_BASE) == GRAPHICS_BASE)
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{
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// write to graphic stream...
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graphicsStream.Position = Position & ~GRAPHICS_BASE;
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// handle endianess
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if (!ignoreEndianess && (Endianess == Endianess.BigEndian))
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{
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var buf = (byte[])value.Clone();
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Array.Reverse(buf);
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graphicsStream.Write(buf, 0, buf.Length);
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}
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else
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{
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graphicsStream.Write(value, 0, value.Length);
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}
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Position = graphicsStream.Position | 0x60000000;
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return;
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}
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throw new Exception("illegal position!");
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}
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/// <summary>
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/// Writes a block.
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/// </summary>
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public void WriteBlock(IResourceBlock value)
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{
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value.Write(this);
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}
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public void WriteStruct<T>(T val) where T : struct
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{
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int size = Marshal.SizeOf(typeof(T));
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byte[] arr = new byte[size];
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IntPtr ptr = Marshal.AllocHGlobal(size);
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Marshal.StructureToPtr(val, ptr, true);
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Marshal.Copy(ptr, arr, 0, size);
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Marshal.FreeHGlobal(ptr);
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Write(arr);
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}
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public void WriteStructs<T>(T[] val) where T : struct
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{
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if (val == null) return;
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foreach (var v in val)
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{
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WriteStruct(v);
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}
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}
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/// <summary>
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/// Write enough bytes to the stream to get to the specified alignment.
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/// </summary>
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/// <param name="alignment">value to align to</param>
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public void WritePadding(int alignment)
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{
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var pad = ((alignment - (Position % alignment)) % alignment);
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if (pad > 0) Write(new byte[pad]);
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}
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public void WriteUlongs(ulong[] val)
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{
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if (val == null) return;
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foreach (var v in val)
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{
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Write(v);
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
/// Represents a data block in a resource file.
|
|
/// </summary>
|
|
public interface IResourceBlock
|
|
{
|
|
/// <summary>
|
|
/// Gets or sets the position of the data block.
|
|
/// </summary>
|
|
long FilePosition { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets the length of the data block.
|
|
/// </summary>
|
|
long BlockLength { get; }
|
|
|
|
/// <summary>
|
|
/// Reads the data block.
|
|
/// </summary>
|
|
void Read(ResourceDataReader reader, params object[] parameters);
|
|
|
|
/// <summary>
|
|
/// Writes the data block.
|
|
/// </summary>
|
|
void Write(ResourceDataWriter writer, params object[] parameters);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Represents a data block of the system segement in a resource file.
|
|
/// </summary>
|
|
public interface IResourceSystemBlock : IResourceBlock
|
|
{
|
|
/// <summary>
|
|
/// Returns a list of data blocks that are part of this block.
|
|
/// </summary>
|
|
Tuple<long, IResourceBlock>[] GetParts();
|
|
|
|
/// <summary>
|
|
/// Returns a list of data blocks that are referenced by this block.
|
|
/// </summary>
|
|
IResourceBlock[] GetReferences();
|
|
}
|
|
|
|
public interface IResourceXXSystemBlock : IResourceSystemBlock
|
|
{
|
|
IResourceSystemBlock GetType(ResourceDataReader reader, params object[] parameters);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Represents a data block of the graphics segmenet in a resource file.
|
|
/// </summary>
|
|
public interface IResourceGraphicsBlock : IResourceBlock
|
|
{ }
|
|
|
|
|
|
/// <summary>
|
|
/// Represents a data block that won't get cached while loading.
|
|
/// </summary>
|
|
public interface IResourceNoCacheBlock : IResourceBlock
|
|
{ }
|
|
|
|
|
|
|
|
/// <summary>
|
|
/// Represents a data block of the system segement in a resource file.
|
|
/// </summary>
|
|
[TypeConverter(typeof(ExpandableObjectConverter))] public abstract class ResourceSystemBlock : IResourceSystemBlock
|
|
{
|
|
private long position;
|
|
|
|
/// <summary>
|
|
/// Gets or sets the position of the data block.
|
|
/// </summary>
|
|
public virtual long FilePosition
|
|
{
|
|
get
|
|
{
|
|
return position;
|
|
}
|
|
set
|
|
{
|
|
position = value;
|
|
foreach (var part in GetParts())
|
|
{
|
|
part.Item2.FilePosition = value + part.Item1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the length of the data block.
|
|
/// </summary>
|
|
public abstract long BlockLength
|
|
{
|
|
get;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reads the data block.
|
|
/// </summary>
|
|
public abstract void Read(ResourceDataReader reader, params object[] parameters);
|
|
|
|
/// <summary>
|
|
/// Writes the data block.
|
|
/// </summary>
|
|
public abstract void Write(ResourceDataWriter writer, params object[] parameters);
|
|
|
|
/// <summary>
|
|
/// Returns a list of data blocks that are part of this block.
|
|
/// </summary>
|
|
public virtual Tuple<long, IResourceBlock>[] GetParts()
|
|
{
|
|
return new Tuple<long, IResourceBlock>[0];
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a list of data blocks that are referenced by this block.
|
|
/// </summary>
|
|
public virtual IResourceBlock[] GetReferences()
|
|
{
|
|
return new IResourceBlock[0];
|
|
}
|
|
}
|
|
|
|
public abstract class ResourecTypedSystemBlock : ResourceSystemBlock, IResourceXXSystemBlock
|
|
{
|
|
public abstract IResourceSystemBlock GetType(ResourceDataReader reader, params object[] parameters);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Represents a data block of the graphics segmenet in a resource file.
|
|
/// </summary>
|
|
public abstract class ResourceGraphicsBlock : IResourceGraphicsBlock
|
|
{
|
|
/// <summary>
|
|
/// Gets or sets the position of the data block.
|
|
/// </summary>
|
|
public virtual long FilePosition
|
|
{
|
|
get;
|
|
set;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the length of the data block.
|
|
/// </summary>
|
|
public abstract long BlockLength
|
|
{
|
|
get;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reads the data block.
|
|
/// </summary>
|
|
public abstract void Read(ResourceDataReader reader, params object[] parameters);
|
|
|
|
/// <summary>
|
|
/// Writes the data block.
|
|
/// </summary>
|
|
public abstract void Write(ResourceDataWriter writer, params object[] parameters);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//public interface ResourceDataStruct
|
|
//{
|
|
// void Read(ResourceDataReader reader);
|
|
// void Write(ResourceDataWriter writer);
|
|
//}
|
|
|
|
}
|