UltimateZoneBuilder/Source/Data/DirectoryReader.cs
2009-01-02 14:23:57 +00:00

387 lines
10 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;
#endregion
namespace CodeImp.DoomBuilder.Data
{
internal sealed class DirectoryReader : DataReader
{
#region ================== Constants
private const string PATCHES_DIR = "patches";
private const string TEXTURES_DIR = "textures";
private const string FLATS_DIR = "flats";
private const string HIRES_DIR = "hires";
private const string SPRITES_DIR = "sprites";
#endregion
#region ================== Variables
// Source
private bool roottextures;
private bool rootflats;
// Paths
private string rootpath;
private string patchespath;
private string texturespath;
private string flatspath;
private string hirespath;
private string spritespath;
// WAD files that must be loaded as well
private List<WADReader> wads;
#endregion
#region ================== Properties
#endregion
#region ================== Constructor / Disposer
// Constructor
public DirectoryReader(DataLocation dl) : base(dl)
{
// Initialize
this.roottextures = dl.textures;
this.rootflats = dl.flats;
this.rootpath = dl.location;
this.patchespath = Path.Combine(rootpath, PATCHES_DIR);
this.texturespath = Path.Combine(rootpath, TEXTURES_DIR);
this.flatspath = Path.Combine(rootpath, FLATS_DIR);
this.hirespath = Path.Combine(rootpath, HIRES_DIR);
this.spritespath = Path.Combine(rootpath, SPRITES_DIR);
General.WriteLogLine("Opening directory resource '" + location.location + "'");
// Load all WAD files in the root as WAD resources
string[] wadfiles = Directory.GetFiles(rootpath, "*.wad", SearchOption.TopDirectoryOnly);
wads = new List<WADReader>(wadfiles.Length);
foreach(string w in wadfiles)
{
DataLocation wdl = new DataLocation(DataLocation.RESOURCE_WAD, w, false, false);
wads.Add(new WADReader(wdl));
}
// We have no destructor
GC.SuppressFinalize(this);
}
// Disposer
public override void Dispose()
{
// Not already disposed?
if(!isdisposed)
{
// Clean up
foreach(WADReader wr in wads) wr.Dispose();
General.WriteLogLine("Closing directory resource '" + location.location + "'");
// Done
base.Dispose();
}
}
#endregion
#region ================== Management
// This suspends use of this resource
public override void Suspend()
{
foreach(WADReader wr in wads) wr.Suspend();
base.Suspend();
}
// This resumes use of this resource
public override void Resume()
{
foreach(WADReader wr in wads) wr.Resume();
base.Resume();
}
#endregion
#region ================== Palette
// This loads the PLAYPAL palette
public override Playpal LoadPalette()
{
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Palette from wad(s)
Playpal palette = null;
foreach(WADReader wr in wads)
{
Playpal wadpalette = wr.LoadPalette();
if(wadpalette != null) palette = wadpalette;
}
// Done
return palette;
}
#endregion
#region ================== Textures
// This loads the textures
public override ICollection<ImageData> LoadTextures(PatchNames pnames)
{
List<ImageData> images = new List<ImageData>();
ICollection<ImageData> collection;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Load from wad files (NOTE: backward order, because the last wad's images have priority)
for(int i = wads.Count - 1; i >= 0; i--)
{
collection = wads[i].LoadTextures(pnames);
AddImagesToList(images, collection);
}
// Should we load the images in this directory as textures?
if(roottextures)
{
collection = LoadDirectoryImages(rootpath);
AddImagesToList(images, collection);
}
// TODO: Add support for hires texture here
// Add images from texture directory
collection = LoadDirectoryImages(texturespath);
AddImagesToList(images, collection);
return images;
}
// This returns the patch names from the PNAMES lump
// A directory resource does not support this lump, but the wads in the directory may contain this lump
public override PatchNames LoadPatchNames()
{
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Load from wad files (NOTE: backward order, because the last wad's images have priority)
for(int i = wads.Count - 1; i >= 0; i--)
{
PatchNames pnames = wads[i].LoadPatchNames();
if(pnames != null) return pnames;
}
return null;
}
// This finds and returns a patch stream
public override Stream GetPatchData(string pname)
{
string filename;
// 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 data = wads[i].GetPatchData(pname);
if(data != null) return data;
}
// Find in patches directory
string datafile = null;
filename = Path.Combine(patchespath, pname + ".bmp");
if(File.Exists(filename)) datafile = filename;
filename = Path.Combine(patchespath, pname + ".gif");
if(File.Exists(filename)) datafile = filename;
filename = Path.Combine(patchespath, pname + ".png");
if(File.Exists(filename)) datafile = filename;
filename = Path.Combine(patchespath, pname);
if(File.Exists(filename)) datafile = filename;
// Found anything?
if(datafile != null)
{
byte[] filedata = File.ReadAllBytes(datafile);
MemoryStream mem = new MemoryStream(filedata);
return mem;
}
// Nothing found
return null;
}
#endregion
#region ================== Flats
// This loads the textures
public override ICollection<ImageData> LoadFlats()
{
List<ImageData> images = new List<ImageData>();
ICollection<ImageData> collection;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Load from wad files (NOTE: backward order, because the last wad's images have priority)
for(int i = wads.Count - 1; i >= 0; i--)
{
collection = wads[i].LoadFlats();
AddImagesToList(images, collection);
}
// Should we load the images in this directory as flats?
if(rootflats)
{
collection = LoadDirectoryImages(rootpath);
AddImagesToList(images, collection);
}
// Add images from flats directory
collection = LoadDirectoryImages(flatspath);
AddImagesToList(images, collection);
return images;
}
#endregion
#region ================== Sprites
// This finds and returns a sprite stream
public override Stream GetSpriteData(string pname)
{
string pfilename = pname.Replace('\\', '^');
string filename;
// 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 spritefoundfile = null;
filename = Path.Combine(spritespath, pfilename + ".bmp");
if(File.Exists(filename)) spritefoundfile = filename;
filename = Path.Combine(spritespath, pfilename + ".gif");
if(File.Exists(filename)) spritefoundfile = filename;
filename = Path.Combine(spritespath, pfilename + ".png");
if(File.Exists(filename)) spritefoundfile = filename;
// Found anything?
if(spritefoundfile != null)
{
byte[] filedata = File.ReadAllBytes(spritefoundfile);
MemoryStream mem = new MemoryStream(filedata);
return mem;
}
// Nothing found
return null;
}
#endregion
#region ================== Methods
// This loads the images in this directory
private ICollection<ImageData> LoadDirectoryImages(string path)
{
List<ImageData> images = new List<ImageData>();
string[] files;
string name;
// Find all BMP files
files = Directory.GetFiles(path, "*.bmp", SearchOption.TopDirectoryOnly);
// Find all GIF files and append to files array
AddToArray(ref files, Directory.GetFiles(path, "*.gif", SearchOption.TopDirectoryOnly));
// Find all PNG files and append to files array
AddToArray(ref files, Directory.GetFiles(path, "*.png", SearchOption.TopDirectoryOnly));
// Go for all files
foreach(string f in files)
{
// Make the texture name from filename without extension
name = Path.GetFileNameWithoutExtension(f).ToUpperInvariant();
if(name.Length > 8) name = name.Substring(0, 8);
// Add image to list
images.Add(new FileImage(name, f));
}
// Return result
return images;
}
// This resizes a string array and adds to it
private void AddToArray(ref string[] array, string[] add)
{
int insertindex = array.Length;
Array.Resize<string>(ref array, array.Length + add.Length);
add.CopyTo(array, insertindex);
}
// This copies images from a collection unless they already exist in the list
private void AddImagesToList(List<ImageData> targetlist, ICollection<ImageData> sourcelist)
{
// Go for all source images
foreach(ImageData src in sourcelist)
{
// Check if exists in target list
bool alreadyexists = false;
foreach(ImageData tgt in targetlist)
{
if(tgt.LongName == src.LongName)
{
alreadyexists = true;
break;
}
}
// Add source image to target list
if(!alreadyexists) targetlist.Add(src);
}
}
#endregion
}
}