Initial commit

LibDgf/Se/SeDatReader.cs

@@ -0,0 +1,68 @@
+using LibDgf.Dat;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace LibDgf.Se
+{
+    public class SeDatReader
+    {
+        DatReader dat;
+        List<SeEntry> entries = new List<SeEntry>();
+        byte[] seToc;
+        byte[] seData;
+
+        public SeDatReader(DatReader dat)
+        {
+            this.dat = dat ?? throw new ArgumentNullException(nameof(dat));
+
+            seToc = dat.GetData(0);
+            seData = dat.GetData(1);
+
+            using (MemoryStream ms = new MemoryStream(seToc))
+            {
+                BinaryReader br = new BinaryReader(ms);
+                while (true)
+                {
+                    SeEntry entry = new SeEntry();
+                    entry.Read(br);
+                    if (entry.DataOffset == -1 && entry.DataLength == -1)
+                        break;
+                    entries.Add(entry);
+                }
+            }
+        }
+
+        public int EntriesCount
+        {
+            get
+            {
+                return entries.Count;
+            }
+        }
+
+        public byte[] GetData(int index)
+        {
+            if (index < 0) throw new ArgumentOutOfRangeException(nameof(index), "Index cannot be negative.");
+            if (index >= EntriesCount) throw new ArgumentOutOfRangeException(nameof(index), "Index cannot be greater than or equal to count.");
+
+            var entry = entries[index];
+            byte[] data = new byte[entry.DataLength];
+            Buffer.BlockCopy(seData, (int)entry.DataOffset, data, 0, data.Length);
+            return data;
+        }
+
+        public string GetDataAsString(int index)
+        {
+            var data = GetData(index);
+            StringBuilder sb = new StringBuilder();
+            foreach (byte b in data)
+            {
+                if (b == 0) break;
+                sb.Append((char)b);
+            }
+            return sb.ToString();
+        }
+    }
+}

LibDgf/Se/SeEntry.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace LibDgf.Se
+{
+    public class SeEntry
+    {
+        public int DataOffset { get; set; }
+        public int DataLength { get; set; }
+        public uint SeLength { get; set; }
+        public uint Unknown { get; set; }
+
+        public void Read(BinaryReader br)
+        {
+            DataOffset = br.ReadInt32();
+            DataLength = br.ReadInt32();
+            SeLength = br.ReadUInt32();
+            Unknown = br.ReadUInt32();
+        }
+
+        public void Write(BinaryWriter bw)
+        {
+            bw.Write(DataOffset);
+            bw.Write(DataLength);
+            bw.Write(SeLength);
+            bw.Write(Unknown);
+        }
+    }
+}