mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
synced 2024-11-27 22:22:32 +00:00
338 lines
9.1 KiB
C#
338 lines
9.1 KiB
C#
|
|
#region ================== Copyright (c) 2007 Pascal vd Heiden
|
|
|
|
/*
|
|
* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
|
|
* This program is released under GNU General Public License
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#endregion
|
|
|
|
#region ================== Namespaces
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Text;
|
|
using System.Drawing;
|
|
using System.Drawing.Imaging;
|
|
using System.IO;
|
|
using CodeImp.DoomBuilder.IO;
|
|
using ICSharpCode.SharpZipLib.Zip;
|
|
|
|
#endregion
|
|
|
|
namespace CodeImp.DoomBuilder.Data
|
|
{
|
|
internal sealed class PK3Reader : PK3StructuredReader
|
|
{
|
|
#region ================== Variables
|
|
|
|
private DirectoryFilesList files;
|
|
|
|
#endregion
|
|
|
|
#region ================== Constructor / Disposer
|
|
|
|
// Constructor
|
|
public PK3Reader(DataLocation dl) : base(dl)
|
|
{
|
|
General.WriteLogLine("Opening PK3 resource '" + location.location + "'");
|
|
|
|
// Open the zip file
|
|
ZipInputStream zipstream = OpenPK3File();
|
|
|
|
// Make list of all files
|
|
List<DirectoryFileEntry> fileentries = new List<DirectoryFileEntry>();
|
|
ZipEntry entry = zipstream.GetNextEntry();
|
|
while(entry != null)
|
|
{
|
|
if(entry.IsFile) fileentries.Add(new DirectoryFileEntry(entry.Name));
|
|
|
|
// Next
|
|
entry = zipstream.GetNextEntry();
|
|
}
|
|
|
|
// Make files list
|
|
files = new DirectoryFilesList(fileentries);
|
|
|
|
// Done with the zip file
|
|
zipstream.Close();
|
|
zipstream.Dispose();
|
|
|
|
// Initialize without path (because we use paths relative to the PK3 file)
|
|
Initialize();
|
|
|
|
// We have no destructor
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
// Disposer
|
|
public override void Dispose()
|
|
{
|
|
// Not already disposed?
|
|
if(!isdisposed)
|
|
{
|
|
General.WriteLogLine("Closing PK3 resource '" + location.location + "'");
|
|
|
|
// Done
|
|
base.Dispose();
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Management
|
|
|
|
// This opens the zip file for reading
|
|
private ZipInputStream OpenPK3File()
|
|
{
|
|
FileStream filestream = File.Open(location.location, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
|
|
filestream.Seek(0, SeekOrigin.Begin);
|
|
return new ZipInputStream(filestream);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Textures
|
|
|
|
// This finds and returns a patch stream
|
|
public override Stream GetPatchData(string pname)
|
|
{
|
|
// Error when suspended
|
|
if(issuspended) throw new Exception("Data reader is suspended");
|
|
|
|
// Find in any of the wad files
|
|
// Note the backward order, because the last wad's images have priority
|
|
for(int i = wads.Count - 1; i >= 0; i--)
|
|
{
|
|
Stream data = wads[i].GetPatchData(pname);
|
|
if(data != null) return data;
|
|
}
|
|
|
|
// Find in patches directory
|
|
string filename = FindFirstFile(PATCHES_DIR, pname, true);
|
|
if((filename != null) && FileExists(filename))
|
|
{
|
|
return LoadFile(filename);
|
|
}
|
|
|
|
// Nothing found
|
|
return null;
|
|
}
|
|
|
|
// This finds and returns a textue stream
|
|
public override Stream GetTextureData(string pname)
|
|
{
|
|
// Error when suspended
|
|
if(issuspended) throw new Exception("Data reader is suspended");
|
|
|
|
// Find in any of the wad files
|
|
// Note the backward order, because the last wad's images have priority
|
|
for(int i = wads.Count - 1; i >= 0; i--)
|
|
{
|
|
Stream data = wads[i].GetTextureData(pname);
|
|
if(data != null) return data;
|
|
}
|
|
|
|
// Find in patches directory
|
|
string filename = FindFirstFile(TEXTURES_DIR, pname, true);
|
|
if((filename != null) && FileExists(filename))
|
|
{
|
|
return LoadFile(filename);
|
|
}
|
|
|
|
// Nothing found
|
|
return null;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Sprites
|
|
|
|
// This finds and returns a sprite stream
|
|
public override Stream GetSpriteData(string pname)
|
|
{
|
|
string pfilename = pname.Replace('\\', '^');
|
|
|
|
// Error when suspended
|
|
if(issuspended) throw new Exception("Data reader is suspended");
|
|
|
|
// Find in any of the wad files
|
|
for(int i = wads.Count - 1; i >= 0; i--)
|
|
{
|
|
Stream sprite = wads[i].GetSpriteData(pname);
|
|
if(sprite != null) return sprite;
|
|
}
|
|
|
|
// Find in sprites directory
|
|
string filename = FindFirstFile(SPRITES_DIR, pfilename, true);
|
|
if((filename != null) && FileExists(filename))
|
|
{
|
|
return LoadFile(filename);
|
|
}
|
|
|
|
// Nothing found
|
|
return null;
|
|
}
|
|
|
|
// This checks if the given sprite exists
|
|
public override bool GetSpriteExists(string pname)
|
|
{
|
|
string pfilename = pname.Replace('\\', '^');
|
|
|
|
// Error when suspended
|
|
if(issuspended) throw new Exception("Data reader is suspended");
|
|
|
|
// Find in any of the wad files
|
|
for(int i = wads.Count - 1; i >= 0; i--)
|
|
{
|
|
if(wads[i].GetSpriteExists(pname)) return true;
|
|
}
|
|
|
|
// Find in sprites directory
|
|
string filename = FindFirstFile(SPRITES_DIR, pfilename, true);
|
|
if((filename != null) && FileExists(filename))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// Nothing found
|
|
return false;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Methods
|
|
|
|
// Return a short name for this data location
|
|
public override string GetTitle()
|
|
{
|
|
return Path.GetFileName(location.location);
|
|
}
|
|
|
|
// This creates an image
|
|
protected override ImageData CreateImage(string name, string filename, bool flat)
|
|
{
|
|
return new PK3FileImage(this, name, filename, flat);
|
|
}
|
|
|
|
// This returns true if the specified file exists
|
|
protected override bool FileExists(string filename)
|
|
{
|
|
return files.FileExists(filename);
|
|
}
|
|
|
|
// This returns all files in a given directory
|
|
protected override string[] GetAllFiles(string path, bool subfolders)
|
|
{
|
|
return files.GetAllFiles(path, subfolders).ToArray();
|
|
}
|
|
|
|
// This returns all files in a given directory that match the given extension
|
|
protected override string[] GetFilesWithExt(string path, string extension, bool subfolders)
|
|
{
|
|
return files.GetAllFiles(path, extension, subfolders).ToArray();
|
|
}
|
|
|
|
// This finds the first file that has the specific name, regardless of file extension
|
|
protected override string FindFirstFile(string beginswith, bool subfolders)
|
|
{
|
|
return files.GetFirstFile(beginswith, subfolders);
|
|
}
|
|
|
|
// This finds the first file that has the specific name, regardless of file extension
|
|
protected override string FindFirstFile(string path, string beginswith, bool subfolders)
|
|
{
|
|
return files.GetFirstFile(path, beginswith, subfolders);
|
|
}
|
|
|
|
// This finds the first file that has the specific name
|
|
protected override string FindFirstFileWithExt(string path, string beginswith, bool subfolders)
|
|
{
|
|
string title = Path.GetFileNameWithoutExtension(beginswith);
|
|
string ext = Path.GetExtension(beginswith);
|
|
if(ext.Length > 1) ext = ext.Substring(1); else ext = "";
|
|
return files.GetFirstFile(path, title, subfolders, ext);
|
|
}
|
|
|
|
// This loads an entire file in memory and returns the stream
|
|
// NOTE: Callers are responsible for disposing the stream!
|
|
protected override MemoryStream LoadFile(string filename)
|
|
{
|
|
MemoryStream filedata = null;
|
|
byte[] copybuffer = new byte[4096];
|
|
|
|
// Open the zip file
|
|
ZipInputStream zipstream = OpenPK3File();
|
|
|
|
ZipEntry entry = zipstream.GetNextEntry();
|
|
while(entry != null)
|
|
{
|
|
if(entry.IsFile)
|
|
{
|
|
string entryname = entry.Name.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
|
|
|
|
// Is this the entry we are looking for?
|
|
if(string.Compare(entryname, filename, true) == 0)
|
|
{
|
|
int expectedsize = (int)entry.Size;
|
|
if(expectedsize < 1) expectedsize = 1024;
|
|
filedata = new MemoryStream(expectedsize);
|
|
int readsize = zipstream.Read(copybuffer, 0, copybuffer.Length);
|
|
while(readsize > 0)
|
|
{
|
|
filedata.Write(copybuffer, 0, readsize);
|
|
readsize = zipstream.Read(copybuffer, 0, copybuffer.Length);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Next
|
|
entry = zipstream.GetNextEntry();
|
|
}
|
|
|
|
// Done with the zip file
|
|
zipstream.Close();
|
|
zipstream.Dispose();
|
|
|
|
// Nothing found?
|
|
if(filedata == null)
|
|
{
|
|
throw new FileNotFoundException("Cannot find the file " + filename + " in PK3 file " + location.location + ".");
|
|
}
|
|
else
|
|
{
|
|
return filedata;
|
|
}
|
|
}
|
|
|
|
// This creates a temp file for the speciied file and return the absolute path to the temp file
|
|
// NOTE: Callers are responsible for removing the temp file when done!
|
|
protected override string CreateTempFile(string filename)
|
|
{
|
|
// Just copy the file
|
|
string tempfile = General.MakeTempFilename(General.Map.TempPath, "wad");
|
|
MemoryStream filedata = LoadFile(filename);
|
|
File.WriteAllBytes(tempfile, filedata.ToArray());
|
|
filedata.Dispose();
|
|
return tempfile;
|
|
}
|
|
|
|
// Public version to load a file
|
|
internal MemoryStream ExtractFile(string filename)
|
|
{
|
|
return LoadFile(filename);
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|