Add AudioPCKFile

2026-06-30 05:56:04 +00:00 · 2022-08-05 04:08:43 +02:00
parent d99409ee74
commit 1302ed5a0e
5 changed files with 572 additions and 269 deletions
--- a/MinecraftUSkinEditor/Classes/IO/PCK/PCKAudioFileReader.cs
+++ b/MinecraftUSkinEditor/Classes/IO/PCK/PCKAudioFileReader.cs
@@ -0,0 +1,115 @@
+using PckStudio.Classes.FileTypes;
+using PckStudio.Classes.Utils;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PckStudio.Classes.IO.PCK
+{
+
+    public class InvalidAudioPckException : Exception
+    {
+        public InvalidAudioPckException(string message) : base(message)
+        { }
+    }
+
+    internal class PCKAudioFileReader : StreamDataReader
+    {
+        private PCKAudioFile _file;
+        private List<string> LUT = new List<string>();
+
+
+        public static PCKAudioFile Read(Stream stream, bool isLittleEndian)
+        {
+            return new PCKAudioFileReader(isLittleEndian).ReadFromStream(stream);
+        }
+
+        private PCKAudioFileReader(bool isLittleEndian) : base(isLittleEndian)
+        {
+        }
+
+        private PCKAudioFile ReadFromStream(Stream stream)
+        {
+            int pck_type = ReadInt(stream);
+            if (pck_type > 0xf00000) // 03 00 00 00 == true
+                throw new OverflowException(nameof(pck_type));
+            if (pck_type > 1)
+                throw new InvalidAudioPckException(nameof(pck_type));
+            _file = new PCKAudioFile();
+            ReadLookUpTabel(stream);
+            ReadCategories(stream);
+            ReadCategorySongs(stream);
+            return _file;
+        }
+
+        private void ReadLookUpTabel(Stream stream)
+        {
+            int count = ReadInt(stream);
+            LUT = new List<string>(count);
+            for (int i = 0; i < count; i++)
+            {
+                int index = ReadInt(stream);
+                LUT.Insert(index, ReadString(stream));
+            }
+        }
+
+        private void ReadCategories(Stream stream)
+        {
+            int categoryEntryCount = ReadInt(stream);
+            for (; 0 < categoryEntryCount; categoryEntryCount--)
+            {
+                var parameterType = (PCKAudioFile.AudioCategory.EAudioParameterType)ReadInt(stream);
+                var audioType = (PCKAudioFile.AudioCategory.EAudioType)ReadInt(stream);
+                string name = ReadString(stream);
+                Console.WriteLine(name);
+                _file.AddCategory(parameterType, audioType);
+            }
+        }
+
+        private void ReadCategorySongs(Stream stream)
+        {
+            List<string> credits = new List<string>();
+            List<string> creditIds = new List<string>();
+            foreach (var c in _file.Categories)
+            {
+                if (c is null) continue;
+                int audioCount = ReadInt(stream);
+                for (; 0 < audioCount; audioCount--)
+                {
+                    string key = LUT[ReadInt(stream)];
+                    string value = ReadString(stream);
+                    switch (key)
+                    {
+                        case "CUENAME":
+                            c.SongNames.Add(value);
+                            break;
+                        case "CREDIT":
+                            credits.Add(value);
+                            break;
+                        case "CREDITID":
+                            creditIds.Add(value);
+                            _file.AddCreditId(value);
+                            break;
+                        default:
+                            throw new InvalidDataException(nameof(key));
+                    }
+                }
+            };
+            foreach (var credit in credits.Zip(creditIds, (str, id) => (str, id)))
+            {
+                _file.SetCredit(credit.id, credit.str);
+            }
+        }
+
+        private string ReadString(Stream stream)
+        {
+            int len = ReadInt(stream);
+            string s = ReadString(stream, len, IsUsingLittleEndian ? Encoding.Unicode : Encoding.BigEndianUnicode);
+            ReadInt(stream); // padding
+            return s;
+        }
+    }
+}