ThomagicRenderer/InstanceBuffer.cs

using System.Collections.Generic;
using System.Threading;

namespace Assets.ThoMagic.Renderer
{
    public class InstanceBuffer
    {
        private static int nextInstanceBufferId = 1;
        private readonly int instanceBufferId;

        public readonly ObjectData objectData;
        public readonly Dictionary<int, InstanceData> instanceData;

        public InstanceBuffer(ObjectData objectData)
        {
            this.objectData = objectData;
            instanceData = new Dictionary<int, InstanceData>();
            instanceBufferId = Interlocked.Increment(ref InstanceBuffer.nextInstanceBufferId);
        }

        public override int GetHashCode()
        {
            return instanceBufferId;
        }
    }
}