Exemple #1
0
        /// <summary>
        /// Reads Bioware Encapsulated Resource Files
        /// </summary>
        /// <param name="s">The Stream from which the File will be Read</param>
        protected ERF(Stream s)
        {
            using (BinaryReader br = new BinaryReader(s))
            {
                //header
                FileType                 = new string(br.ReadChars(4));
                Version                  = new string(br.ReadChars(4));
                LanguageCount            = br.ReadInt32();
                LocalizedStringSize      = br.ReadInt32();
                EntryCount               = br.ReadInt32();
                OffsetToLocalizedStrings = br.ReadInt32();
                OffsetToKeyList          = br.ReadInt32();
                OffsetToResourceList     = br.ReadInt32();
                BuildYear                = br.ReadInt32();
                BuildDay                 = br.ReadInt32();
                DescriptionStrRef        = br.ReadInt32();
                Reserved_block           = br.ReadBytes(116);

                br.BaseStream.Seek(OffsetToLocalizedStrings, SeekOrigin.Begin); //seek to local strings
                for (int i = 0; i < LanguageCount; i++)
                {
                    String_List_Element SLE = new String_List_Element();
                    SLE.LanguageID = br.ReadInt32();
                    SLE.Language   = Reference_Tables.Language_IDs[SLE.LanguageID];
                    SLE.StringSize = br.ReadInt32();
                    SLE.String     = new string(br.ReadChars(SLE.StringSize));
                    Localized_String_List.Add(SLE);
                }

                br.BaseStream.Seek(OffsetToKeyList, SeekOrigin.Begin); //seek to key entries
                for (int i = 0; i < EntryCount; i++)
                {
                    Key key = new Key();
                    key.ResRef      = new string(br.ReadChars(16)).TrimEnd('\0');
                    key.ResID       = br.ReadInt32();
                    key.ResType     = br.ReadInt16();
                    key.Type_string = Reference_Tables.Res_Types[key.ResType];
                    key.Unused      = br.ReadInt16();
                    Key_List.Add(key);
                }

                br.BaseStream.Seek(OffsetToResourceList, SeekOrigin.Begin); //seek to resource list
                for (int i = 0; i < EntryCount; i++)
                {
                    Resource Res = new Resource();
                    Res.OffsetToResource = br.ReadInt32();
                    Res.ResourceSize     = br.ReadInt32();
                    Resource_List.Add(Res);
                }

                foreach (Resource r in Resource_List)                         //populate resource_data for each resource in the list
                {
                    br.BaseStream.Seek(r.OffsetToResource, SeekOrigin.Begin); //seek to raw resource data
                    r.Resource_data = br.ReadBytes(r.ResourceSize);
                }
            }
        }
Exemple #2
0
        /// <summary>
        /// Adds another resource to the <see cref="ERF"/>.
        /// </summary>
        /// <param name="res_ref">The name of the resource/file. *Maximum of 16 Characters</param>
        /// <param name="file_data">A byte array containing the data for the resource</param>
        public void Append_File(string res_ref, byte[] file_data)
        {
            //header
            EntryCount++;
            OffsetToResourceList += 24;

            //key
            Key k = new Key();

            k.ResRef = res_ref;
            k.ResID  = Key_List.Last().ResID + 1;
            StringBuilder sb = new StringBuilder(4);

            sb.Append(new char[4] {
                (char)file_data[0], (char)file_data[1], (char)file_data[2], (char)file_data[3],
            });
            k.ResType     = (short)Reference_Tables.TypeCodes[sb.ToString()];
            k.Type_string = k.Type_string = Reference_Tables.Res_Types[k.ResType];
            k.Unused      = 0;
            Key_List.Add(k);

            //Offset Correction
            int TotalOffset = OffsetToResourceList + EntryCount * 8;

            foreach (Resource res in Resource_List)
            {
                res.OffsetToResource = TotalOffset;
                TotalOffset         += res.ResourceSize;
            }

            //resource
            Resource r = new Resource();

            r.Resource_data    = file_data;
            r.ResourceSize     = file_data.Length;
            r.OffsetToResource = Resource_List.Last().OffsetToResource + Resource_List.Last().ResourceSize;
            Resource_List.Add(r);
        }