mirror of
https://mirror.ghproxy.com/https://github.com/dexyfex/CodeWalker
synced 2024-11-30 10:52:55 +08:00
332 lines
12 KiB
C#
332 lines
12 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.IO.Compression;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace CodeWalker.GameFiles
|
|
{
|
|
public class ResourceBuilder
|
|
{
|
|
protected const int RESOURCE_IDENT = 0x37435352;
|
|
protected const int BASE_SIZE = 0x2000;
|
|
private const int SKIP_SIZE = 512;//256;//64;
|
|
private const int ALIGN_SIZE = 512;//64;
|
|
|
|
|
|
public static void GetBlocks(IResourceBlock rootBlock, out IList<IResourceBlock> sys, out IList<IResourceBlock> gfx)
|
|
{
|
|
var systemBlocks = new HashSet<IResourceBlock>();
|
|
var graphicBlocks = new HashSet<IResourceBlock>();
|
|
var protectedBlocks = new List<IResourceBlock>();
|
|
|
|
var stack = new Stack<IResourceBlock>();
|
|
stack.Push(rootBlock);
|
|
|
|
var processed = new HashSet<IResourceBlock>();
|
|
processed.Add(rootBlock);
|
|
|
|
while (stack.Count > 0)
|
|
{
|
|
var block = stack.Pop();
|
|
if (block == null)
|
|
continue;
|
|
|
|
if (block is IResourceSystemBlock)
|
|
{
|
|
if (!systemBlocks.Contains(block))
|
|
systemBlocks.Add(block);
|
|
|
|
// for system blocks, also process references...
|
|
|
|
var references = ((IResourceSystemBlock)block).GetReferences();
|
|
//Array.Reverse(references);
|
|
foreach (var reference in references)
|
|
if (!processed.Contains(reference))
|
|
{
|
|
stack.Push(reference);
|
|
processed.Add(reference);
|
|
}
|
|
var subs = new Stack<IResourceSystemBlock>();
|
|
foreach (var part in ((IResourceSystemBlock)block).GetParts())
|
|
subs.Push((IResourceSystemBlock)part.Item2);
|
|
while (subs.Count > 0)
|
|
{
|
|
var sub = subs.Pop();
|
|
|
|
foreach (var x in sub.GetReferences())
|
|
if (!processed.Contains(x))
|
|
{
|
|
stack.Push(x);
|
|
processed.Add(x);
|
|
}
|
|
foreach (var x in sub.GetParts())
|
|
subs.Push((IResourceSystemBlock)x.Item2);
|
|
|
|
protectedBlocks.Add(sub);
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
if (!graphicBlocks.Contains(block))
|
|
graphicBlocks.Add(block);
|
|
}
|
|
}
|
|
|
|
//var result = new List<IResourceBlock>();
|
|
//result.AddRange(systemBlocks);
|
|
//result.AddRange(graphicBlocks);
|
|
//return result;
|
|
|
|
// there are now sys-blocks in the list that actually
|
|
// only substructures and therefore must not get
|
|
// a new position!
|
|
// -> remove them from the list
|
|
foreach (var q in protectedBlocks)
|
|
if (systemBlocks.Contains(q))
|
|
systemBlocks.Remove(q);
|
|
|
|
|
|
sys = new List<IResourceBlock>();
|
|
foreach (var s in systemBlocks)
|
|
sys.Add(s);
|
|
gfx = new List<IResourceBlock>();
|
|
foreach (var s in graphicBlocks)
|
|
gfx.Add(s);
|
|
}
|
|
|
|
public static void AssignPositions(IList<IResourceBlock> blocks, uint basePosition, ref int pageSize, out int pageCount)
|
|
{
|
|
// find largest structure
|
|
long largestBlockSize = 0;
|
|
foreach (var block in blocks)
|
|
{
|
|
if (largestBlockSize < block.BlockLength)
|
|
largestBlockSize = block.BlockLength;
|
|
}
|
|
|
|
// find minimum page size
|
|
long currentPageSize = pageSize;// 0x2000;
|
|
while (currentPageSize < largestBlockSize)
|
|
currentPageSize *= 2;
|
|
|
|
long currentPageCount;
|
|
long currentPosition;
|
|
while (true)
|
|
{
|
|
currentPageCount = 0;
|
|
currentPosition = 0;
|
|
|
|
// reset all positions
|
|
foreach (var block in blocks)
|
|
block.FilePosition = -1;
|
|
|
|
foreach (var block in blocks)
|
|
{
|
|
if (block.FilePosition != -1)
|
|
throw new Exception("Block was already assigned a position!");
|
|
//if (block.Length == 0)
|
|
// throw new Exception("A length of 0 is not allowed!");
|
|
|
|
// check if new page is necessary...
|
|
// if yes, add a new page and align to it
|
|
long maxSpace = currentPageCount * currentPageSize - currentPosition;
|
|
if (maxSpace < (block.BlockLength + SKIP_SIZE))
|
|
{
|
|
currentPageCount++;
|
|
currentPosition = currentPageSize * (currentPageCount - 1);
|
|
}
|
|
|
|
// set position
|
|
block.FilePosition = basePosition + currentPosition;
|
|
currentPosition += block.BlockLength + SKIP_SIZE;
|
|
|
|
// align...
|
|
if ((currentPosition % ALIGN_SIZE) != 0)
|
|
currentPosition += (ALIGN_SIZE - (currentPosition % ALIGN_SIZE));
|
|
}
|
|
|
|
// break if everything fits...
|
|
if (currentPageCount < 128)
|
|
break;
|
|
|
|
currentPageSize *= 2;
|
|
}
|
|
|
|
pageSize = (int)currentPageSize;
|
|
pageCount = (int)currentPageCount;
|
|
}
|
|
|
|
|
|
|
|
public static byte[] Build(ResourceFileBase fileBase, int version)
|
|
{
|
|
|
|
fileBase.FilePagesInfo = new ResourcePagesInfo();
|
|
|
|
IList<IResourceBlock> systemBlocks;
|
|
IList<IResourceBlock> graphicBlocks;
|
|
GetBlocks(fileBase, out systemBlocks, out graphicBlocks);
|
|
|
|
int systemPageSize = BASE_SIZE;// *4;
|
|
int systemPageCount;
|
|
AssignPositions(systemBlocks, 0x50000000, ref systemPageSize, out systemPageCount);
|
|
|
|
int graphicsPageSize = BASE_SIZE;
|
|
int graphicsPageCount;
|
|
AssignPositions(graphicBlocks, 0x60000000, ref graphicsPageSize, out graphicsPageCount);
|
|
|
|
|
|
|
|
|
|
fileBase.FilePagesInfo.SystemPagesCount = 0;
|
|
if (systemPageCount > 0)
|
|
fileBase.FilePagesInfo.SystemPagesCount = 1; // (byte)systemPageCount; //1
|
|
fileBase.FilePagesInfo.GraphicsPagesCount = (byte)graphicsPageCount;
|
|
|
|
|
|
|
|
var systemStream = new MemoryStream();
|
|
var graphicsStream = new MemoryStream();
|
|
var resourceWriter = new ResourceDataWriter(systemStream, graphicsStream);
|
|
|
|
resourceWriter.Position = 0x50000000;
|
|
foreach (var block in systemBlocks)
|
|
{
|
|
resourceWriter.Position = block.FilePosition;
|
|
|
|
var pos_before = resourceWriter.Position;
|
|
block.Write(resourceWriter);
|
|
var pos_after = resourceWriter.Position;
|
|
|
|
if ((pos_after - pos_before) != block.BlockLength)
|
|
{
|
|
throw new Exception("error in system length");
|
|
}
|
|
}
|
|
|
|
resourceWriter.Position = 0x60000000;
|
|
foreach (var block in graphicBlocks)
|
|
{
|
|
resourceWriter.Position = block.FilePosition;
|
|
|
|
var pos_before = resourceWriter.Position;
|
|
block.Write(resourceWriter);
|
|
var pos_after = resourceWriter.Position;
|
|
|
|
if ((pos_after - pos_before) != block.BlockLength)
|
|
{
|
|
throw new Exception("error in graphics length");
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
var sysDataSize = systemPageCount * systemPageSize;
|
|
var sysData = new byte[sysDataSize];
|
|
systemStream.Flush();
|
|
systemStream.Position = 0;
|
|
systemStream.Read(sysData, 0, (int)systemStream.Length);
|
|
|
|
|
|
var gfxDataSize = graphicsPageCount * graphicsPageSize;
|
|
var gfxData = new byte[gfxDataSize];
|
|
graphicsStream.Flush();
|
|
graphicsStream.Position = 0;
|
|
graphicsStream.Read(gfxData, 0, (int)graphicsStream.Length);
|
|
|
|
|
|
|
|
uint uv = (uint)version;
|
|
uint sv = (uv >> 4) & 0xF;
|
|
uint gv = (uv >> 0) & 0xF;
|
|
|
|
//uint sf = RpfResourceFileEntry.GetFlagsFromSize(sysDataSize, sv);
|
|
//uint gf = RpfResourceFileEntry.GetFlagsFromSize(gfxDataSize, gv); //TODO: might be broken...
|
|
|
|
uint sf = RpfResourceFileEntry.GetFlagsFromBlocks((uint)systemPageCount, (uint)systemPageSize, sv);
|
|
uint gf = RpfResourceFileEntry.GetFlagsFromBlocks((uint)graphicsPageCount, (uint)graphicsPageSize, gv);
|
|
|
|
var tdatasize = sysDataSize + gfxDataSize;
|
|
var tdata = new byte[tdatasize];
|
|
Buffer.BlockCopy(sysData, 0, tdata, 0, sysDataSize);
|
|
Buffer.BlockCopy(gfxData, 0, tdata, sysDataSize, gfxDataSize);
|
|
|
|
|
|
var cdata = Compress(tdata);
|
|
|
|
|
|
var dataSize = 16 + cdata.Length;// sysDataSize + gfxDataSize;
|
|
var data = new byte[dataSize];
|
|
|
|
byte[] h1 = BitConverter.GetBytes((uint)0x37435352);
|
|
byte[] h2 = BitConverter.GetBytes((int)version);
|
|
byte[] h3 = BitConverter.GetBytes(sf);
|
|
byte[] h4 = BitConverter.GetBytes(gf);
|
|
Buffer.BlockCopy(h1, 0, data, 0, 4);
|
|
Buffer.BlockCopy(h2, 0, data, 4, 4);
|
|
Buffer.BlockCopy(h3, 0, data, 8, 4);
|
|
Buffer.BlockCopy(h4, 0, data, 12, 4);
|
|
Buffer.BlockCopy(cdata, 0, data, 16, cdata.Length);
|
|
//Buffer.BlockCopy(sysData, 0, data, 16, sysDataSize);
|
|
//Buffer.BlockCopy(gfxData, 0, data, 16 + sysDataSize, gfxDataSize);
|
|
|
|
return data;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
public static byte[] AddResourceHeader(RpfResourceFileEntry entry, byte[] data)
|
|
{
|
|
if (data == null) return null;
|
|
byte[] newdata = new byte[data.Length + 16];
|
|
byte[] h1 = BitConverter.GetBytes((uint)0x37435352);
|
|
byte[] h2 = BitConverter.GetBytes(entry.Version);
|
|
byte[] h3 = BitConverter.GetBytes(entry.SystemFlags);
|
|
byte[] h4 = BitConverter.GetBytes(entry.GraphicsFlags);
|
|
Buffer.BlockCopy(h1, 0, newdata, 0, 4);
|
|
Buffer.BlockCopy(h2, 0, newdata, 4, 4);
|
|
Buffer.BlockCopy(h3, 0, newdata, 8, 4);
|
|
Buffer.BlockCopy(h4, 0, newdata, 12, 4);
|
|
Buffer.BlockCopy(data, 0, newdata, 16, data.Length);
|
|
return newdata;
|
|
}
|
|
|
|
|
|
public static byte[] Compress(byte[] data)
|
|
{
|
|
using (MemoryStream ms = new MemoryStream())
|
|
{
|
|
DeflateStream ds = new DeflateStream(ms, CompressionMode.Compress, true);
|
|
ds.Write(data, 0, data.Length);
|
|
ds.Close();
|
|
byte[] deflated = ms.GetBuffer();
|
|
byte[] outbuf = new byte[ms.Length]; //need to copy to the right size buffer...
|
|
Array.Copy(deflated, outbuf, outbuf.Length);
|
|
return outbuf;
|
|
}
|
|
}
|
|
public static byte[] Decompress(byte[] data)
|
|
{
|
|
using (MemoryStream ms = new MemoryStream(data))
|
|
{
|
|
DeflateStream ds = new DeflateStream(ms, CompressionMode.Decompress);
|
|
MemoryStream outstr = new MemoryStream();
|
|
ds.CopyTo(outstr);
|
|
byte[] deflated = outstr.GetBuffer();
|
|
byte[] outbuf = new byte[outstr.Length]; //need to copy to the right size buffer...
|
|
Array.Copy(deflated, outbuf, outbuf.Length);
|
|
return outbuf;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|