public static int TestChangeArray(ref UdkDynamicArray wrapper)
{
var source = new Vector3[2];
source[0] = new Vector3() {X = 1, Y = 2, Z = 3};
source[1] = new Vector3() { X = 4, Y = 5, Z = 6 };
int floatsLength = 3*source.Length;
var outputArray = new float[floatsLength];
for (int i = 0; i < source.Length; i++)
{
outputArray[i * 3 + 0] = (float) source[i].X;
outputArray[i * 3 + 1] = (float)source[i].Y;
outputArray[i * 3 + 2] = (float)source[i].Z;
}
//wrapper.DataPtr = Marshal.AllocHGlobal(sizeof(float) * floatsLength);
Marshal.Copy(outputArray, 0, wrapper.DataPtr, floatsLength);
//wrapper.Count = source.Length;
//wrapper.MaxSize = source.Length;
//ha ha ha here we have managedArray passed from UDK
return 123;//managedArray.Length;
}
public static int TestSendArray(ref UdkDynamicArray wrapper)
{
int valuesCount = wrapper.Count * 5; //*4 => 1 int point type + 3 float from Vector struct
var intArr = new int[valuesCount];
var floatArr = new float[valuesCount];
//int and floats are assumed to be both of 32 bits (but it is not everywhere true)
Marshal.Copy(wrapper.DataPtr, intArr, 0, valuesCount);
Marshal.Copy(wrapper.DataPtr, floatArr, 0, valuesCount);
var cells = new List<CellInfo>();
for (int i = 0; i < valuesCount; i += 5)
{
var cell = new CellInfo();
cell.PointType = intArr[i];
cell.Direction = intArr[i + 1];
cell.Point.X = floatArr[i + 2];
cell.Point.Y = floatArr[i + 3];
cell.Point.Z = floatArr[i + 4];
cells.Add(cell);
}
//ha ha ha here we have managedArray passed from UDK
return 123;//managedArray.Length;
}