ZoneBuilder/Source/Core/Data/DirectoryReader.cs
2016-01-23 02:36:35 +01:00

414 lines
12 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.IO;
using CodeImp.DoomBuilder.IO;
#endregion
namespace CodeImp.DoomBuilder.Data
{
internal sealed class DirectoryReader : PK3StructuredReader
{
#region ================== Variables
private readonly DirectoryFilesList files;
#endregion
#region ================== Constructor / Disposer
// Constructor
public DirectoryReader(DataLocation dl) : base(dl)
{
General.WriteLogLine("Opening directory resource '" + location.location + "'");
// Initialize
files = new DirectoryFilesList(dl.location, true);
Initialize();
// We have no destructor
GC.SuppressFinalize(this);
}
// Disposer
public override void Dispose()
{
// Not already disposed?
if(!isdisposed)
{
General.WriteLogLine("Closing directory resource '" + location.location + "'");
// Done
base.Dispose();
}
}
#endregion
#region ================== Textures
// This finds and returns a patch stream
public override Stream GetPatchData(string pname, bool longname)
{
// 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
if(!longname) //mxd. Patches with long names can't be in wads
{
for(int i = wads.Count - 1; i > -1; i--)
{
Stream data = wads[i].GetPatchData(pname, false);
if(data != null) return data;
}
}
try
{
if(longname)
{
//mxd. Long names are absolute
pname = pname.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
return (FileExists(pname) ? LoadFile(pname) : null);
}
else if(General.Map.Config.MixTexturesFlats)
{
//mxd. Find in directories ZDoom expects them to be
string dir = Path.GetDirectoryName(pname);
string name = Path.GetFileName(pname);
foreach(string loc in PatchLocations)
{
string path = Path.Combine(loc, dir);
string filename = FindFirstFile(path, name, true);
if(!string.IsNullOrEmpty(filename) && FileExists(filename))
return LoadFile(filename);
}
}
else
{
// Find in patches directory
string path = Path.Combine(PATCHES_DIR, Path.GetDirectoryName(pname));
string filename = FindFirstFile(path, Path.GetFileName(pname), true);
if(!string.IsNullOrEmpty(filename) && FileExists(filename))
return LoadFile(filename);
}
}
catch(Exception e)
{
General.ErrorLogger.Add(ErrorType.Error, e.GetType().Name + " while loading patch '" + pname + "' from directory: " + e.Message);
}
// Nothing found
return null;
}
// This finds and returns a textue stream
public override Stream GetTextureData(string pname, bool longname)
{
// 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
if(!longname) //mxd. Textures with long names can't be in wads
{
for(int i = wads.Count - 1; i >= 0; i--)
{
Stream data = wads[i].GetTextureData(pname, false);
if(data != null) return data;
}
}
try
{
//mxd. Long names are absolute
if(longname)
{
pname = pname.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
return (FileExists(pname) ? LoadFile(pname) : null);
}
else
{
// Find in textures directory
string path = Path.Combine(TEXTURES_DIR, Path.GetDirectoryName(pname));
string filename = FindFirstFile(path, Path.GetFileName(pname), true);
if(!string.IsNullOrEmpty(filename) && FileExists(filename))
return LoadFile(filename);
}
}
catch(Exception e)
{
General.ErrorLogger.Add(ErrorType.Error, e.GetType().Name + " while loading texture '" + pname + "' from directory: " + e.Message);
}
// Nothing found
return null;
}
// This finds and returns a colormap stream
public override Stream GetColormapData(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].GetColormapData(pname);
if(data != null) return data;
}
try
{
// Find in patches directory
string path = Path.Combine(COLORMAPS_DIR, Path.GetDirectoryName(pname));
string filename = FindFirstFile(path, Path.GetFileName(pname), true);
if((filename != null) && FileExists(filename))
{
return LoadFile(filename);
}
}
catch(Exception e)
{
General.ErrorLogger.Add(ErrorType.Error, e.GetType().Name + " while loading colormap '" + pname + "' from directory: " + e.Message);
}
// Nothing found
return null;
}
#endregion
#region ================== Sprites
// This finds and returns a sprite stream
public override Stream GetSpriteData(string pname)
{
// 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;
}
try
{
// Find in sprites directory
string path = Path.Combine(SPRITES_DIR, Path.GetDirectoryName(pname));
string filename = FindFirstFile(path, Path.GetFileName(pname), true);
if((filename != null) && FileExists(filename))
{
return LoadFile(filename);
}
}
catch(Exception e)
{
General.ErrorLogger.Add(ErrorType.Error, e.GetType().Name + " while loading sprite '" + pname + "' from directory: " + e.Message);
}
// Nothing found
return null;
}
// This checks if the given sprite exists
public override bool GetSpriteExists(string pname)
{
// 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
try
{
string path = Path.Combine(SPRITES_DIR, Path.GetDirectoryName(pname));
string filename = FindFirstFile(path, Path.GetFileName(pname), true);
if((filename != null) && FileExists(filename))
{
return true;
}
}
catch(Exception e)
{
General.ErrorLogger.Add(ErrorType.Error, e.GetType().Name + " while checking sprite '" + pname + "' existance in directory: " + e.Message);
}
// Nothing found
return false;
}
#endregion
#region ================== Voxels (mxd)
//mxd. This finds and returns a voxel stream
public override Stream GetVoxelData(string name)
{
// 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 voxel = wads[i].GetVoxelData(name);
if(voxel != null) return voxel;
}
try
{
// Find in voxels directory
string path = Path.Combine(VOXELS_DIR, Path.GetDirectoryName(name));
string filename = FindFirstFile(path, Path.GetFileName(name), true);
if((filename != null) && FileExists(filename))
{
return LoadFile(filename);
}
}
catch(Exception e)
{
General.ErrorLogger.Add(ErrorType.Error, e.GetType().Name + " while loading voxel '" + name + "' from directory: " + e.Message);
}
// Nothing found
return null;
}
#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 filename, int imagetype)
{
switch(imagetype)
{
case ImageDataFormat.DOOMFLAT:
return new FileImage(filename, Path.Combine(location.location, filename), true);
case ImageDataFormat.DOOMPICTURE:
return new FileImage(filename, Path.Combine(location.location, filename), false);
case ImageDataFormat.DOOMCOLORMAP:
return new ColormapImage(Path.GetFileNameWithoutExtension(filename));
default:
throw new ArgumentException("Invalid image format specified!");
}
}
// This returns true if the specified file exists
internal 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 have the given file title
protected override string[] GetAllFilesWithTitle(string path, string title, bool subfolders)
{
return files.GetAllFilesWithTitle(path, title, subfolders).ToArray();
}
//mxd. This returns all files in a given directory which title starts with given title
protected override string[] GetAllFilesWhichTitleStartsWith(string path, string title)
{
return files.GetAllFilesWhichTitleStartsWith(path, title).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
internal 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);
ext = (!string.IsNullOrEmpty(ext) && ext.Length > 1 ? ext.Substring(1) : string.Empty);
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!
internal override MemoryStream LoadFile(string filename)
{
MemoryStream s = null;
try
{
lock(this)
{
s = new MemoryStream(File.ReadAllBytes(Path.Combine(location.location, filename)));
}
}
catch(Exception e)
{
General.ErrorLogger.Add(ErrorType.Error, "Unable to load file: "+e.Message);
}
return s;
}
// 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");
File.Copy(Path.Combine(location.location, filename), tempfile);
return tempfile;
}
#endregion
}
}