public void CopyFrom(EcsComponentMask mask)
{
BitsCount = mask.BitsCount;
if (Bits.Length < BitsCount)
{
Bits = new int[mask.Bits.Length];
}
Array.Copy(mask.Bits, 0, Bits, 0, BitsCount);
}
public bool IsIntersects(EcsComponentMask mask)
{
if (BitsCount > 0 && mask.BitsCount > 0)
{
for (var i = 0; i < BitsCount; i++)
{
var bit = Bits[i];
for (var j = 0; j < mask.BitsCount; j++)
{
if (mask.Bits[j] == bit)
{
return(true);
}
}
}
}
return(false);
}
public bool IsEquals(EcsComponentMask mask)
{
if (BitsCount != mask.BitsCount)
{
return(false);
}
for (var i = 0; i < BitsCount; i++)
{
var j = mask.BitsCount - 1;
var bit = Bits[i];
for (; j >= 0; j--)
{
if (mask.Bits[j] == bit)
{
break;
}
}
if (j == -1)
{
return(false);
}
}
return(true);
}