ZoneBuilder/Source/Core/ZDoom/TexturesParser.cs
2016-01-25 16:50:03 +01:00

252 lines
7.9 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.Generic;
using System.IO;
using CodeImp.DoomBuilder.Data;
#endregion
namespace CodeImp.DoomBuilder.ZDoom
{
public sealed class TexturesParser : ZDTextParser
{
#region ================== Delegates
#endregion
#region ================== Constants
#endregion
#region ================== Variables
private readonly Dictionary<string, TextureStructure> textures;
private readonly Dictionary<string, TextureStructure> flats;
private readonly Dictionary<string, TextureStructure> sprites;
private readonly char[] pathtrimchars = new[] {'_', '.', ' ', '-'}; //mxd
#endregion
#region ================== Properties
public IEnumerable<TextureStructure> Textures { get { return textures.Values; } }
public IEnumerable<TextureStructure> Flats { get { return flats.Values; } }
public IEnumerable<TextureStructure> Sprites { get { return sprites.Values; } }
#endregion
#region ================== Constructor / Disposer
// Constructor
public TexturesParser()
{
// Syntax
whitespace = "\n \t\r\u00A0"; //mxd. non-breaking space is also space :)
specialtokens = ",{}\n";
// Initialize
textures = new Dictionary<string, TextureStructure>(StringComparer.Ordinal);
flats = new Dictionary<string, TextureStructure>(StringComparer.Ordinal);
sprites = new Dictionary<string, TextureStructure>(StringComparer.Ordinal);
}
#endregion
#region ================== Parsing
// This parses the given stream
// Returns false on errors
public override bool Parse(Stream stream, string sourcefilename, bool clearerrors)
{
if(!base.Parse(stream, sourcefilename, clearerrors)) return false;
//mxd. Make vitrual path from filename
string virtualpath;
if (sourcefilename.Contains("#")) // It's TEXTURES lump
{
virtualpath = Path.GetFileName(sourcefilename);
if (!string.IsNullOrEmpty(virtualpath)) virtualpath = virtualpath.Substring(0, virtualpath.LastIndexOf("#", StringComparison.Ordinal));
}
else // If it's actual filename, try to use extension(s) as virtualpath
{
virtualpath = Path.GetFileName(sourcefilename);
if (!string.IsNullOrEmpty(virtualpath)) virtualpath = virtualpath.Substring(8).TrimStart(pathtrimchars);
if (!string.IsNullOrEmpty(virtualpath) && virtualpath.ToLowerInvariant() == "txt") virtualpath = string.Empty;
if (string.IsNullOrEmpty(virtualpath)) virtualpath = "[TEXTURES]";
}
// Continue until at the end of the stream
while (SkipWhitespace(true))
{
// Read a token
string objdeclaration = ReadToken();
if(!string.IsNullOrEmpty(objdeclaration))
{
objdeclaration = objdeclaration.ToLowerInvariant();
switch(objdeclaration)
{
case "texture":
{
// Read texture structure
TextureStructure tx = new TextureStructure(this, "texture", virtualpath);
if(this.HasError) return false;
// if a limit for the texture name length is set make sure that it's not exceeded
if(tx.Name.Length > General.Map.Config.MaxTextureNameLength)
{
ReportError("Texture name \"" + tx.Name + "\" too long. Texture names must have a length of " + General.Map.Config.MaxTextureNameLength + " characters or less");
return false;
}
//mxd. Can't load image without name
if(string.IsNullOrEmpty(tx.Name))
{
ReportError("Can't load an unnamed texture. Please consider giving names to your resources");
return false;
}
// Add the texture
textures[tx.Name] = tx;
if(!General.Map.Config.MixTexturesFlats) flats[tx.Name] = tx; //mxd. If MixTexturesFlats is set, textures and flats will be mixed in DataManager anyway
}
break;
case "sprite":
{
// Read sprite structure
TextureStructure tx = new TextureStructure(this, "sprite", virtualpath);
if(this.HasError) return false;
// if a limit for the sprite name length is set make sure that it's not exceeded
if(tx.Name.Length > DataManager.CLASIC_IMAGE_NAME_LENGTH)
{
ReportError("Sprite name \"" + tx.Name + "\" too long. Sprite names must have a length of " + DataManager.CLASIC_IMAGE_NAME_LENGTH + " characters or less");
return false;
}
//mxd. Can't load image without name
if(string.IsNullOrEmpty(tx.Name))
{
ReportError("Can't load an unnamed sprite. Please consider giving names to your resources");
return false;
}
// Add the sprite
sprites[tx.Name] = tx;
}
break;
case "walltexture":
{
// Read walltexture structure
TextureStructure tx = new TextureStructure(this, "walltexture", virtualpath);
if(this.HasError) return false;
// if a limit for the walltexture name length is set make sure that it's not exceeded
if(tx.Name.Length > General.Map.Config.MaxTextureNameLength)
{
ReportError("WallTexture name \"" + tx.Name + "\" too long. WallTexture names must have a length of " + General.Map.Config.MaxTextureNameLength + " characters or less");
return false;
}
//mxd. Can't load image without name
if(string.IsNullOrEmpty(tx.Name))
{
ReportError("Can't load an unnamed WallTexture. Please consider giving names to your resources");
return false;
}
// Add the walltexture
if(!textures.ContainsKey(tx.Name) || (textures[tx.Name].TypeName != "texture"))
textures[tx.Name] = tx;
}
break;
case "flat":
{
// Read flat structure
TextureStructure tx = new TextureStructure(this, "flat", virtualpath);
if(this.HasError) return false;
// if a limit for the flat name length is set make sure that it's not exceeded
if(tx.Name.Length > General.Map.Config.MaxTextureNameLength)
{
ReportError("Flat name \"" + tx.Name + "\" too long. Flat names must have a length of " + General.Map.Config.MaxTextureNameLength + " characters or less");
return false;
}
//mxd. Can't load image without name
if(string.IsNullOrEmpty(tx.Name))
{
ReportError("Can't load an unnamed flat. Please consider giving names to your resources");
return false;
}
// Add the flat
if(!flats.ContainsKey(tx.Name) || (flats[tx.Name].TypeName != "texture"))
flats[tx.Name] = tx;
}
break;
case "$gzdb_skip": return !this.HasError;
default:
{
// Unknown structure!
// Best we can do now is just find the first { and then
// follow the scopes until the matching } is found
string token2;
do
{
if(!SkipWhitespace(true)) break;
token2 = ReadToken();
if(string.IsNullOrEmpty(token2)) break;
}
while(token2 != "{");
int scopelevel = 1;
do
{
if(!SkipWhitespace(true)) break;
token2 = ReadToken();
if(string.IsNullOrEmpty(token2)) break;
if(token2 == "{") scopelevel++;
if(token2 == "}") scopelevel--;
}
while(scopelevel > 0);
}
break;
}
}
}
// Return true when no errors occurred
return (ErrorDescription == null);
}
//mxd
protected override string GetLanguageType()
{
return "TEXTURES";
}
#endregion
}
}