Added, Script Editor: added "Script Navigator" tab. It shows and allows to open text resources loaded by the editor.

WARNING: because of the large amount of added/modified code, bugs are possible, so backup your resources, save often and report bugs.

Source/Core/Data/Scripting/ScriptResource.cs

@@ -0,0 +1,130 @@
+#region ================== Namespaces
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using CodeImp.DoomBuilder.Config;
+
+#endregion
+
+namespace CodeImp.DoomBuilder.Data.Scripting
+{
+	public sealed class ScriptResource
+	{
+		#region ================== Variables
+
+		private string filename;
+		private string filepathname; 
+		private string resourcedisplayname;
+		private int lumpindex = -1;
+		private DataReader resource;
+		private string resourcepath;
+		private HashSet<string> entries;
+		private ScriptType scripttype;
+		private bool isreadonly;
+
+		// Special cases...
+		private string parentresourcelocation;
+
+		#endregion
+
+		#region ================== Properties
+
+		public string Filename { get { return filename; } } // Path to text file inside of Resource
+		public string FilePathName { get { return filepathname; } } // Resource location and file path inside resource combined
+		public int LumpIndex { get { return lumpindex; } } // Text lump index if Resource is wad, -1 otherwise
+		internal DataReader Resource { get { return GetResource(); } }
+		public HashSet<string> Entries { get { return entries; } } // Actors/models/sounds etc.
+		public ScriptType ScriptType { get { return scripttype; } }
+		public bool IsReadOnly { get { return isreadonly; } }
+
+		#endregion
+
+		#region ================== Constructor
+
+		public ScriptResource(TextResourceData source, ScriptType type)
+		{
+			resource = source.Source;
+			resourcepath = resource.Location.location;
+			resourcedisplayname = resource.Location.GetDisplayName();
+			filename = source.Filename.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
+			filepathname = Path.Combine(resourcepath, filename);
+			entries = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+			lumpindex = source.LumpIndex;
+			scripttype = type;
+			isreadonly = resource.IsReadOnly;
+
+			// Embedded resources require additional tender loving care...
+			if(resource is WADReader)
+			{
+				WADReader wr = (WADReader)resource;
+				if(wr.ParentResource is PK3Reader)
+					parentresourcelocation = wr.ParentResource.Location.location;
+			}
+		}
+
+		#endregion
+
+		#region ================== Methods
+
+		private DataReader GetResource()
+		{
+			if(resource == null || resource.IsDisposed)
+			{
+				resource = null;
+
+				// Try to re-aquire resource
+				if(!string.IsNullOrEmpty(parentresourcelocation))
+				{
+					// Special case: WAD resource inside of PK3 resource.
+					// Resource resourcepath will be different after reloading resources, because it's randomly generated.
+					// So resolve using displayname and parent resource location...
+					foreach(DataReader reader in General.Map.Data.Containers)
+					{
+						// Found parent
+						if(reader.Location.location == parentresourcelocation && reader is PK3Reader)
+						{
+							PK3Reader pr = (PK3Reader)reader;
+							foreach(WADReader wr in pr.Wads)
+							{
+								if(wr.Location.GetDisplayName() == resourcedisplayname)
+								{
+									// Found it
+									resource = reader;
+
+									// Some paths need updating...
+									resourcepath = resource.Location.location;
+									filepathname = Path.Combine(resourcepath, filename);
+
+									break;
+								}
+							}
+						}
+					}
+				}
+				else
+				{
+					foreach(DataReader reader in General.Map.Data.Containers)
+					{
+						if(reader.Location.location == resourcepath)
+						{
+							// Found it
+							resource = reader;
+							break;
+						}
+					}
+				}
+			}
+
+			return resource;
+		}
+
+		// Used as tab and script navigator item title
+		public override string ToString()
+		{
+			return (lumpindex != -1 ? lumpindex + ":" : "") + Path.GetFileName(filename);
+		}
+
+		#endregion
+	}
+}