private bool FilterDirection(CoordInt block)
{
if (block.X == -1 && block.Y == 255 && block.Z == -1)
{
return(false);
}
//Player view is 1.5 above its position
CoordDouble offset = block - this.Position + new CoordDouble(0.5, -1, 0.5);
CoordDouble unit = new CoordDouble(
-Math.Cos(Pitch * Math.PI / 180) * Math.Sin(Yaw * Math.PI / 180),
-Math.Sin(Pitch * Math.PI / 180),
Math.Cos(Pitch * Math.PI / 180) * Math.Cos(Yaw * Math.PI / 180));
double viewDist = offset.Scalar(unit);
double perDist = (offset - unit * viewDist).Abs;
#if DEBUG
/*this.Tell ("Block: " + block +
* //"Offset: " + offset.ToString ("0.0") +
* //" Unit: " + unit.ToString ("0.0") +
* " Dist: " + viewDist.ToString ("0.0") +
* " Per: " + perDist.ToString ("0.0"));
*/
#endif
//Ignore extreme values
if (perDist > 20)
{
return(false);
}
if (viewDist > 20)
{
return(false);
}
//Logical max i 0.87
//Dont block anymore since client does not restore uncomfirmed blocks
if (perDist > 1.5)
{
//Log.WritePlayer (this, "Aimed sideways: " + perDist.ToString ("0.00") + " > 0.87");
//return true;
}
if (viewDist > 6)
{
//Log.WritePlayer (this, "Aimed too far: " + viewDist.ToString ("0.0") + " > 6.0, " + block);
//return true;
}
if (viewDist < -0.1)
{
//Log.WritePlayer (this, "Aimed behind: " + viewDist.ToString ("0.0") + " < 0");
//return true;
}
return(false);
}