using System;
using System.Runtime.InteropServices;
using UnityEngine;

public static class QExtensions
{
    public static TStruct[] ToStructArray<TStruct>(this IntPtr ptr, int count)
    {
        if (ptr == IntPtr.Zero)
            return null;
        
        TStruct[] result = new TStruct[count];
        int size = Marshal.SizeOf<TStruct>();
        IntPtr current = ptr;
        for (int i = 0; i < count; ++i)
        {
            result[i] = Marshal.PtrToStructure<TStruct>(current);
            current = new IntPtr(current.ToInt64() + size);
        }
        return result;
    }

    public static Vector3 ToVector3(this QVec3 vec)
    {
        return new Vector3(vec.x, vec.y, vec.z);
    }
}