UltimateZoneBuilder/Source/Core/Data/WADReader.cs
MaxED 3890c4a7c8 Fixed a crash when reloading resources after removing a resource.
Visual mode: rendering was broken on video cards without Shader Model 2.0 support.
Engines list was not updated after changing engine in Test button's drop down.
2013-08-05 13:03:08 +00:00

906 lines
25 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.IO;
using CodeImp.DoomBuilder.IO;
using CodeImp.DoomBuilder.ZDoom;
using CodeImp.DoomBuilder.GZBuilder.Data;
#endregion
namespace CodeImp.DoomBuilder.Data
{
internal sealed class WADReader : DataReader
{
#region ================== Constants
#endregion
#region ================== Structures
private struct LumpRange
{
public int start;
public int end;
}
#endregion
#region ================== Variables
// Source
private WAD file;
private bool is_iwad;
private bool strictpatches;
// Lump ranges
private List<LumpRange> flatranges;
private List<LumpRange> patchranges;
private List<LumpRange> spriteranges;
private List<LumpRange> textureranges;
private List<LumpRange> colormapranges;
#endregion
#region ================== Properties
public bool IsIWAD { get { return is_iwad; } }
#endregion
#region ================== Constructor / Disposer
// Constructor
public WADReader(DataLocation dl) : base(dl)
{
General.WriteLogLine("Opening WAD resource '" + location.location + "'");
if(!File.Exists(location.location))
throw new FileNotFoundException("Could not find the file \"" + location.location + "\"", location.location);
// Initialize
file = new WAD(location.location, true);
is_iwad = (file.Type == WAD.TYPE_IWAD);
strictpatches = dl.option1;
patchranges = new List<LumpRange>();
spriteranges = new List<LumpRange>();
flatranges = new List<LumpRange>();
textureranges = new List<LumpRange>();
colormapranges = new List<LumpRange>();
// Find ranges
FindRanges(patchranges, General.Map.Config.PatchRanges, "patches");
FindRanges(spriteranges, General.Map.Config.SpriteRanges, "sprites");
FindRanges(flatranges, General.Map.Config.FlatRanges, "flats");
FindRanges(textureranges, General.Map.Config.TextureRanges, "textures");
FindRanges(colormapranges, General.Map.Config.ColormapRanges, "colormaps");
// We have no destructor
GC.SuppressFinalize(this);
}
// Disposer
public override void Dispose()
{
// Not already disposed?
if(!isdisposed)
{
General.WriteLogLine("Closing WAD resource '" + location.location + "'");
// Clean up
file.Dispose();
// Done
base.Dispose();
}
}
#endregion
#region ================== Management
// Return a short name for this data location
public override string GetTitle()
{
return Path.GetFileName(location.location);
}
// This suspends use of this resource
public override void Suspend()
{
file.Dispose();
base.Suspend();
}
// This resumes use of this resource
public override void Resume()
{
file = new WAD(location.location, true);
is_iwad = (file.Type == WAD.TYPE_IWAD);
base.Resume();
}
// This fills a ranges list
private void FindRanges(List<LumpRange> ranges, IDictionary rangeinfos, string rangename)
{
foreach(DictionaryEntry r in rangeinfos)
{
// Read start and end
string rangestart = General.Map.Config.ReadSetting(rangename + "." + r.Key + ".start", "");
string rangeend = General.Map.Config.ReadSetting(rangename + "." + r.Key + ".end", "");
if((rangestart.Length > 0) && (rangeend.Length > 0))
{
// Find ranges
int startindex = file.FindLumpIndex(rangestart);
while(startindex > -1)
{
LumpRange range = new LumpRange();
range.start = startindex;
range.end = file.FindLumpIndex(rangeend, startindex);
if(range.end > -1)
{
ranges.Add(range);
startindex = file.FindLumpIndex(rangestart, range.end);
}
else
{
startindex = -1;
}
}
}
}
}
#endregion
#region ================== Palette
// This loads the PLAYPAL palette
public override Playpal LoadPalette()
{
Lump lump;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Look for a lump named PLAYPAL
lump = file.FindLump("PLAYPAL");
if(lump != null)
{
// Read the PLAYPAL from stream
return new Playpal(lump.Stream);
}
else
{
// No palette
return null;
}
}
#endregion
#region ================== Colormaps
// This loads the textures
public override ICollection<ImageData> LoadColormaps()
{
List<ImageData> images = new List<ImageData>();
string rangestart, rangeend;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Read ranges from configuration
foreach(DictionaryEntry r in General.Map.Config.ColormapRanges)
{
// Read start and end
rangestart = General.Map.Config.ReadSetting("colormaps." + r.Key + ".start", "");
rangeend = General.Map.Config.ReadSetting("colormaps." + r.Key + ".end", "");
if((rangestart.Length > 0) && (rangeend.Length > 0))
{
// Load texture range
LoadColormapsRange(rangestart, rangeend, ref images);
}
}
// Add images to the container-specific texture set
foreach(ImageData img in images)
textureset.AddFlat(img);
// Return result
return images;
}
// This loads a range of colormaps
private void LoadColormapsRange(string startlump, string endlump, ref List<ImageData> images)
{
int startindex, endindex;
float defaultscale;
ColormapImage image;
// Determine default scale
defaultscale = General.Map.Config.DefaultTextureScale;
// Continue until no more start can be found
startindex = file.FindLumpIndex(startlump);
while(startindex > -1)
{
// Find end index
endindex = file.FindLumpIndex(endlump, startindex + 1);
if(endindex > -1)
{
// Go for all lumps between start and end exclusive
for(int i = startindex + 1; i < endindex; i++)
{
// Lump not zero-length?
if(file.Lumps[i].Length > 0)
{
// Make the image object
image = new ColormapImage(file.Lumps[i].Name);
// Add image to collection
images.Add(image);
}
}
}
// Find the next start
startindex = file.FindLumpIndex(startlump, startindex + 1);
}
}
// This finds and returns a colormap stream
public override Stream GetColormapData(string pname)
{
Lump lump;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Strictly read patches only between C_START and C_END?
if(strictpatches)
{
// Find the lump in ranges
foreach(LumpRange range in colormapranges)
{
lump = file.FindLump(pname, range.start, range.end);
if(lump != null) return lump.Stream;
}
}
else
{
// Find the lump anywhere
lump = file.FindLump(pname);
if(lump != null) return lump.Stream;
}
return null;
}
#endregion
#region ================== Textures
// This loads the textures
public override ICollection<ImageData> LoadTextures(PatchNames pnames)
{
List<ImageData> images = new List<ImageData>();
//string rangestart, rangeend;
int lumpindex;
Lump lump;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Load two sets of textures, if available
lump = file.FindLump("TEXTURE1");
if(lump != null) LoadTextureSet("TEXTURE1", lump.Stream, ref images, pnames);
lump = file.FindLump("TEXTURE2");
if(lump != null) LoadTextureSet("TEXTURE2", lump.Stream, ref images, pnames);
// Read ranges from configuration
foreach(LumpRange range in textureranges)
{
// Load texture range
LoadTexturesRange(range.start, range.end, ref images, pnames);
}
// Load TEXTURES lump file
lumpindex = file.FindLumpIndex("TEXTURES");
while(lumpindex > -1)
{
MemoryStream filedata = new MemoryStream(file.Lumps[lumpindex].Stream.ReadAllBytes());
WADReader.LoadHighresTextures(filedata, "TEXTURES", ref images, null, null);
filedata.Dispose();
// Find next
lumpindex = file.FindLumpIndex("TEXTURES", lumpindex + 1);
}
// Add images to the container-specific texture set
foreach(ImageData img in images)
textureset.AddTexture(img);
// Return result
return images;
}
// This loads a range of textures
private void LoadTexturesRange(int startindex, int endindex, ref List<ImageData> images, PatchNames pnames)
{
// Determine default scale
float defaultscale = General.Map.Config.DefaultTextureScale;
// Go for all lumps between start and end exclusive
for(int i = startindex + 1; i < endindex; i++)
{
// Lump not zero length?
if(file.Lumps[i].Length > 0)
{
// Make the image
SimpleTextureImage image = new SimpleTextureImage(file.Lumps[i].Name, file.Lumps[i].Name, defaultscale, defaultscale);
// Add image to collection
images.Add(image);
}
else
{
// Can't load image without name
General.ErrorLogger.Add(ErrorType.Error, "Can't load an unnamed texture from lump index " + i + ". Please consider giving names to your resources.");
}
}
}
// This loads the texture definitions from a TEXTURES lump
public static void LoadHighresTextures(Stream stream, string filename, ref List<ImageData> images, Dictionary<long, ImageData> textures, Dictionary<long, ImageData> flats)
{
// Parse the data
TexturesParser parser = new TexturesParser();
parser.Parse(stream, filename);
// Make the textures
foreach(TextureStructure t in parser.Textures)
{
if(t.Name.Length > 0)
{
// Add the texture
ImageData img = t.MakeImage(textures, flats);
images.Add(img);
}
else
{
// Can't load image without name
General.ErrorLogger.Add(ErrorType.Error, "Can't load an unnamed texture from \"" + filename + "\". Please consider giving names to your resources.");
}
}
}
// This loads a set of textures
public static void LoadTextureSet(string sourcename, Stream texturedata, ref List<ImageData> images, PatchNames pnames)
{
BinaryReader reader = new BinaryReader(texturedata);
int flags, width, height, patches, px, py, pi;
uint numtextures;
byte scalebytex, scalebytey;
float scalex, scaley, defaultscale;
byte[] namebytes;
TextureImage image = null;
bool strifedata;
if(texturedata.Length == 0)
return;
// Determine default scale
defaultscale = General.Map.Config.DefaultTextureScale;
// Get number of textures
texturedata.Seek(0, SeekOrigin.Begin);
numtextures = reader.ReadUInt32();
// Skip offset bytes (we will read all textures sequentially)
texturedata.Seek(4 * numtextures, SeekOrigin.Current);
// Go for all textures defined in this lump
for(uint i = 0; i < numtextures; i++)
{
// Read texture properties
namebytes = reader.ReadBytes(8);
flags = reader.ReadUInt16();
scalebytex = reader.ReadByte();
scalebytey = reader.ReadByte();
width = reader.ReadInt16();
height = reader.ReadInt16();
patches = reader.ReadInt16();
// Check for doom or strife data format
if(patches == 0)
{
// Ignore 2 bytes and then read number of patches
texturedata.Seek(2, SeekOrigin.Current);
patches = reader.ReadInt16();
strifedata = false;
}
else
{
// Texture data is in strife format
strifedata = true;
}
// Determine actual scales
if(scalebytex == 0) scalex = defaultscale; else scalex = 1f / ((float)scalebytex / 8f);
if(scalebytey == 0) scaley = defaultscale; else scaley = 1f / ((float)scalebytey / 8f);
// Validate data
if((width > 0) && (height > 0) && (patches > 0) &&
(scalex != 0) || (scaley != 0))
{
string texname = Lump.MakeNormalName(namebytes, WAD.ENCODING);
if(texname.Length > 0)
{
// Make the image object
image = new TextureImage(Lump.MakeNormalName(namebytes, WAD.ENCODING),
width, height, scalex, scaley);
}
else
{
// Can't load image without name
General.ErrorLogger.Add(ErrorType.Error, "Can't load an unnamed texture from \"" + sourcename + "\". Please consider giving names to your resources.");
}
// Go for all patches in texture
for(int p = 0; p < patches; p++)
{
// Read patch properties
px = reader.ReadInt16();
py = reader.ReadInt16();
pi = reader.ReadUInt16();
if(!strifedata) texturedata.Seek(4, SeekOrigin.Current);
// Validate data
if((pi >= 0) && (pi < pnames.Length))
{
if(pnames[pi].Length > 0)
{
// Create patch on image
if(image != null) image.AddPatch(new TexturePatch(pnames[pi], px, py));
}
else
{
// Can't load image without name
General.ErrorLogger.Add(ErrorType.Error, "Can't use an unnamed patch referenced in \"" + sourcename + "\". Please consider giving names to your resources.");
}
}
}
// Add image to collection
images.Add(image);
}
else
{
// Skip patches data
texturedata.Seek(6 * patches, SeekOrigin.Current);
if(!strifedata) texturedata.Seek(4 * patches, SeekOrigin.Current);
}
}
}
// This returns the patch names from the PNAMES lump
public override PatchNames LoadPatchNames()
{
Lump lump;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Look for a lump named PNAMES
lump = file.FindLump("PNAMES");
if(lump != null)
{
// Read the PNAMES from stream
return new PatchNames(lump.Stream);
}
else
{
// No palette
return null;
}
}
// This finds and returns a patch stream
public override Stream GetPatchData(string pname)
{
Lump lump;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Strictly read patches only between P_START and P_END?
if(strictpatches)
{
// Find the lump in ranges
foreach(LumpRange range in patchranges)
{
lump = file.FindLump(pname, range.start, range.end);
if(lump != null) return lump.Stream;
}
}
else
{
// Find the lump anywhere
lump = file.FindLump(pname);
if (lump != null) {
return lump.Stream;
}
}
return null;
}
// This finds and returns a texture stream
public override Stream GetTextureData(string pname)
{
Lump lump;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Find the lump in ranges
foreach(LumpRange range in textureranges)
{
lump = file.FindLump(pname, range.start, range.end);
if(lump != null) return lump.Stream;
}
return null;
}
#endregion
#region ================== Flats
// This loads the textures
public override ICollection<ImageData> LoadFlats()
{
List<ImageData> images = new List<ImageData>();
string rangestart, rangeend;
int lumpindex;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Read ranges from configuration
foreach(DictionaryEntry r in General.Map.Config.FlatRanges)
{
// Read start and end
rangestart = General.Map.Config.ReadSetting("flats." + r.Key + ".start", "");
rangeend = General.Map.Config.ReadSetting("flats." + r.Key + ".end", "");
if((rangestart.Length > 0) && (rangeend.Length > 0))
{
// Load texture range
LoadFlatsRange(rangestart, rangeend, ref images);
}
}
// Load TEXTURES lump file
lumpindex = file.FindLumpIndex("TEXTURES");
while(lumpindex > -1)
{
MemoryStream filedata = new MemoryStream(file.Lumps[lumpindex].Stream.ReadAllBytes());
WADReader.LoadHighresFlats(filedata, "TEXTURES", ref images, null, null);
filedata.Dispose();
// Find next
lumpindex = file.FindLumpIndex("TEXTURES", lumpindex + 1);
}
// Add images to the container-specific texture set
foreach(ImageData img in images)
textureset.AddFlat(img);
// Return result
return images;
}
// This loads a range of flats
private void LoadFlatsRange(string startlump, string endlump, ref List<ImageData> images)
{
int startindex, endindex;
float defaultscale;
FlatImage image;
// Determine default scale
defaultscale = General.Map.Config.DefaultTextureScale;
// Continue until no more start can be found
startindex = file.FindLumpIndex(startlump);
while(startindex > -1)
{
// Find end index
endindex = file.FindLumpIndex(endlump, startindex + 1);
if(endindex > -1)
{
// Go for all lumps between start and end exclusive
for(int i = startindex + 1; i < endindex; i++)
{
// Lump not zero-length?
if(file.Lumps[i].Length > 0)
{
// Make the image object
image = new FlatImage(file.Lumps[i].Name);
// Add image to collection
images.Add(image);
}
}
}
// Find the next start
startindex = file.FindLumpIndex(startlump, startindex + 1);
}
}
// This loads the flat definitions from a TEXTURES lump
public static void LoadHighresFlats(Stream stream, string filename, ref List<ImageData> images, Dictionary<long, ImageData> textures, Dictionary<long, ImageData> flats)
{
// Parse the data
TexturesParser parser = new TexturesParser();
parser.Parse(stream, filename);
// Make the textures
foreach(TextureStructure t in parser.Flats)
{
if(t.Name.Length > 0)
{
// Add the texture
ImageData img = t.MakeImage(textures, flats);
images.Add(img);
}
else
{
// Can't load image without name
General.ErrorLogger.Add(ErrorType.Error, "Can't load an unnamed flat from \"" + filename + "\". Please consider giving names to your resources.");
}
}
}
// This finds and returns a patch stream
public override Stream GetFlatData(string pname)
{
Lump lump;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Find the lump in ranges
foreach(LumpRange range in flatranges)
{
lump = file.FindLump(pname, range.start, range.end);
if(lump != null) return lump.Stream;
}
return null;
}
#endregion
#region ================== Sprite
// This loads the textures
public override ICollection<ImageData> LoadSprites()
{
List<ImageData> images = new List<ImageData>();
//string rangestart, rangeend;
int lumpindex;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Load TEXTURES lump file
lumpindex = file.FindLumpIndex("TEXTURES");
while(lumpindex > -1)
{
MemoryStream filedata = new MemoryStream(file.Lumps[lumpindex].Stream.ReadAllBytes());
WADReader.LoadHighresSprites(filedata, "TEXTURES", ref images, null, null);
filedata.Dispose();
// Find next
lumpindex = file.FindLumpIndex("TEXTURES", lumpindex + 1);
}
// Return result
return images;
}
// This loads the sprites definitions from a TEXTURES lump
public static void LoadHighresSprites(Stream stream, string filename, ref List<ImageData> images, Dictionary<long, ImageData> textures, Dictionary<long, ImageData> flats)
{
// Parse the data
TexturesParser parser = new TexturesParser();
parser.Parse(stream, filename);
// Make the textures
foreach(TextureStructure t in parser.Sprites)
{
if(t.Name.Length > 0)
{
// Add the sprite
ImageData img = t.MakeImage(textures, flats);
images.Add(img);
}
else
{
// Can't load image without name
General.ErrorLogger.Add(ErrorType.Error, "Can't load an unnamed sprite from \"" + filename + "\". Please consider giving names to your resources.");
}
}
}
// This finds and returns a sprite stream
public override Stream GetSpriteData(string pname)
{
Lump lump;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Find the lump in ranges
foreach(LumpRange range in spriteranges)
{
lump = file.FindLump(pname, range.start, range.end);
if(lump != null) return lump.Stream;
}
return null;
}
// This checks if the given sprite exists
public override bool GetSpriteExists(string pname)
{
Lump lump;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Find the lump in ranges
foreach(LumpRange range in spriteranges)
{
lump = file.FindLump(pname, range.start, range.end);
if(lump != null) return true;
}
return false;
}
#endregion
#region ================== Decorate, Gldefs, Mapinfo, etc...
// This finds and returns a sprite stream
public override List<Stream> GetDecorateData(string pname)
{
List<Stream> streams = new List<Stream>();
int lumpindex;
// Error when suspended
if(issuspended) throw new Exception("Data reader is suspended");
// Find all lumps named 'DECORATE'
lumpindex = file.FindLumpIndex(pname);
while(lumpindex > -1)
{
streams.Add(file.Lumps[lumpindex].Stream);
// Find next
lumpindex = file.FindLumpIndex(pname, lumpindex + 1);
}
return streams;
}
//mxd
public override Dictionary<string, Stream> GetMapinfoData() {
if (issuspended) throw new Exception("Data reader is suspended");
Dictionary<string, Stream> streams = new Dictionary<string, Stream>();
int lumpindex;
string src = "ZMAPINFO";
//should be only one entry per wad
//first look for ZMAPINFO
lumpindex = file.FindLumpIndex(src);
//then for MAPINFO
if (lumpindex == -1) {
src = "MAPINFO";
lumpindex = file.FindLumpIndex(src);
}
if(lumpindex != -1)
streams.Add(src, file.Lumps[lumpindex].Stream);
return streams;
}
//mxd
public override Dictionary<string, Stream> GetGldefsData(GameType gameType) {
if (issuspended) throw new Exception("Data reader is suspended");
Dictionary<string, Stream> streams = new Dictionary<string, Stream>();
int lumpindex;
//try to load game specific GLDEFS first
if (gameType != GameType.UNKNOWN) {
string lumpName = Gldefs.GLDEFS_LUMPS_PER_GAME[(int)gameType];
lumpindex = file.FindLumpIndex(lumpName);
if (lumpindex != -1)
streams.Add(lumpName, file.Lumps[lumpindex].Stream);
}
//should be only one entry per wad
lumpindex = file.FindLumpIndex("GLDEFS");
if (lumpindex != -1)
streams.Add("GLDEFS", file.Lumps[lumpindex].Stream);
return streams;
}
//mxd
public override Dictionary<string, Stream> GetGldefsData(string location) {
if (issuspended) throw new Exception("Data reader is suspended");
Dictionary<string, Stream> streams = new Dictionary<string, Stream>();
int lumpindex;
lumpindex = file.FindLumpIndex(location);
if (lumpindex != -1)
streams.Add(location, file.Lumps[lumpindex].Stream);
return streams;
}
//mxd
public override Dictionary<string, Stream> GetModeldefData() {
return GetGldefsData("MODELDEF");
}
//mxd
internal override MemoryStream LoadFile(string name) {
Lump l = file.FindLump(name);
if (l != null) {
l.Stream.Seek(0, SeekOrigin.Begin);
return new MemoryStream(l.Stream.ReadAllBytes());
}
return null;
}
//mxd
internal override bool FileExists(string name) {
return file.FindLumpIndex(name) != -1;
}
#endregion
}
}