wwise sound string hasher

Author: MattFiler

CathodeLib/Scripts/CATHODE/SoundBankData.cs

@@ -13,6 +13,8 @@ namespace CATHODE
     /* DATA/ENV/PRODUCTION/x/WORLD/SOUNDBANKDATA.DAT */
     public class SoundBankData : CathodeFile
     {
+        //NOTE: you can use Utilities.SoundHashedString to hash these strings and get the Wwise ID used in other places like SoundEventData
+
         public List<string> Entries = new List<string>();
         public static new Implementation Implementation = Implementation.CREATE | Implementation.LOAD | Implementation.SAVE;
         public SoundBankData(string path) : base(path) { }

CathodeLib/Scripts/CATHODE/SoundEventData.cs

@@ -75,7 +75,7 @@ override protected bool SaveInternal()
         #region STRUCTURES
         public class Soundbank
         {
-            public uint id;
+            public uint id; //This is the hashed soundbank string name (hashed via Utilities.SoundHashedString)
             public List<Event> events = new List<Event>();
 
             public class Event

CathodeLib/Scripts/Utilities.cs

@@ -6,7 +6,8 @@
 using System.Linq;
 using System.Numerics;
 using System.Runtime.InteropServices;
-using System.Runtime.Serialization.Formatters.Binary;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Text;
 
 namespace CathodeLib
 {
@@ -212,6 +213,21 @@ public static uint AnimationHashedString(string str)
             return hash;
         }
 
+        //Generate a hashed string for use in sound system (wwise FNV-1)
+        public static uint SoundHashedString(string str)
+        {
+            byte[] namebytes = Encoding.UTF8.GetBytes(str.ToLower());
+            uint hash = 2166136261; 
+            for (int i = 0; i < namebytes.Length; i++)
+            {
+                byte namebyte = namebytes[i];
+                hash = hash * 16777619; 
+                hash = hash ^ namebyte; 
+                hash = hash & 0xFFFFFFFF; 
+            }
+            return hash;
+        }
+
         //Read a PAK
         public static List<PAKContent> ReadPAK(string path, FileIdentifiers type)
         {