aloha

Ryujinx/OsHle/Utilities/IdPool.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+
+namespace Ryujinx.OsHle.Utilities
+{
+    class IdPool
+    {
+        private HashSet<int> Ids;
+
+        private int CurrId;
+        private int MinId;
+        private int MaxId;
+
+        public IdPool(int Min, int Max)
+        {
+            Ids = new HashSet<int>();
+
+            CurrId = Min;
+            MinId  = Min;
+            MaxId  = Max;
+        }
+
+        public IdPool() : this(1, int.MaxValue) { }
+
+        public int GenerateId()
+        {
+            lock (Ids)
+            {
+                for (int Cnt = MinId; Cnt < MaxId; Cnt++)
+                {
+                    if (Ids.Add(CurrId))
+                    {
+                        return CurrId;
+                    }
+
+                    if (CurrId++ == MaxId)
+                    {
+                        CurrId = MinId;
+                    }
+                }
+
+                return -1;
+            }
+        }
+
+        public bool DeleteId(int Id)
+        {
+            lock (Ids)
+            {
+                return Ids.Remove(Id);
+            }
+        }
+    }
+}

Ryujinx/OsHle/Utilities/IdPoolWithObj.cs

@@ -0,0 +1,78 @@
+using System;
+using System.Collections;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+
+namespace Ryujinx.OsHle.Utilities
+{
+    class IdPoolWithObj : IEnumerable<KeyValuePair<int, object>>
+    {
+        private IdPool Ids;
+
+        private ConcurrentDictionary<int, object> Objs;
+
+        public IdPoolWithObj()
+        {
+            Ids = new IdPool();
+
+            Objs = new ConcurrentDictionary<int, object>();
+        }
+
+        public int GenerateId(object Data)
+        {
+            int Id = Ids.GenerateId();
+
+            if (Id == -1 || !Objs.TryAdd(Id, Data))
+            {
+                throw new InvalidOperationException();
+            }
+
+            return Id;
+        }
+
+        public bool ReplaceData(int Id, object Data)
+        {
+            if (Objs.ContainsKey(Id))
+            {
+                Objs[Id] = Data;
+
+                return true;
+            }
+
+            return false;
+        }
+
+        public T GetData<T>(int Id)
+        {
+            if (Objs.TryGetValue(Id, out object Data) && Data is T)
+            {
+                return (T)Data;
+            }
+
+            return default(T);
+        }
+
+        public void Delete(int Id)
+        {
+            if (Objs.TryRemove(Id, out object Obj))
+            {
+                if (Obj is IDisposable DisposableObj)
+                {
+                    DisposableObj.Dispose();
+                }
+
+                Ids.DeleteId(Id);
+            }
+        }
+
+        IEnumerator<KeyValuePair<int, object>> IEnumerable<KeyValuePair<int, object>>.GetEnumerator()
+        {
+            return Objs.GetEnumerator();
+        }
+
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return Objs.GetEnumerator();
+        }
+    }
+}

Ryujinx/OsHle/Utilities/MemReader.cs

@@ -0,0 +1,44 @@
+using ChocolArm64.Memory;
+
+namespace Ryujinx.OsHle.Utilities
+{
+    class MemReader
+    {
+        private AMemory Memory;
+
+        public long Position { get; private set; }
+
+        public MemReader(AMemory Memory, long Position)
+        {
+            this.Memory   = Memory;
+            this.Position = Position;
+        }
+
+        public byte ReadByte()
+        {
+            byte Value = Memory.ReadByte(Position);
+
+            Position++;
+
+            return Value;
+        }
+
+        public int ReadInt32()
+        {
+            int Value = Memory.ReadInt32(Position);
+
+            Position += 4;
+
+            return Value;
+        }
+
+        public long ReadInt64()
+        {
+            long Value = Memory.ReadInt64(Position);
+
+            Position += 8;
+
+            return Value;
+        }
+    }
+}

Ryujinx/OsHle/Utilities/MemWriter.cs

@@ -0,0 +1,38 @@
+using ChocolArm64.Memory;
+
+namespace Ryujinx.OsHle.Utilities
+{
+    class MemWriter
+    {
+        private AMemory Memory;
+
+        public long Position { get; private set; }
+
+        public MemWriter(AMemory Memory, long Position)
+        {
+            this.Memory   = Memory;
+            this.Position = Position;
+        }
+
+        public void WriteByte(byte Value)
+        {
+            Memory.WriteByte(Position, Value);
+
+            Position++;
+        }
+
+        public void WriteInt32(int Value)
+        {
+            Memory.WriteInt32(Position, Value);
+
+            Position += 4;
+        }
+
+        public void WriteInt64(long Value)
+        {
+            Memory.WriteInt64(Position, Value);
+
+            Position += 8;
+        }
+    }
+}