FPType Plane::GetIntersectionDisk(Ray ray, Vector3d normal_, Vector3d position)
{
FPType denom = normal_.Dot(ray.GetDirection());
FPType t = -1;
if(std::abs(denom) > ray.tMin && t <= ray.tMax)
{
t = (position - ray.GetOrigin()).Dot(normal_) / denom;
}
return t;
}
virtual bool Item(cPlayer * a_Player) override
{
// Don't check players who are in creative gamemode
if (a_Player->IsGameModeCreative())
{
return false;
}
Vector3d Direction = m_EndermanPos - a_Player->GetPosition();
// Don't check players who are more then SightDistance (64) blocks away
if (Direction.Length() > m_SightDistance)
{
return false;
}
// Don't check if the player has a pumpkin on his head
if (a_Player->GetEquippedHelmet().m_ItemType == E_BLOCK_PUMPKIN)
{
return false;
}
Vector3d LookVector = a_Player->GetLookVector();
double dot = Direction.Dot(LookVector);
// 0.09 rad ~ 5 degrees
// If the player's crosshair is within 5 degrees of the enderman, it counts as looking
if (dot <= cos(0.09))
{
return false;
}
cTracer LineOfSight(a_Player->GetWorld());
if (LineOfSight.Trace(m_EndermanPos, Direction, static_cast<int>(Direction.Length())))
{
// No direct line of sight
return false;
}
m_Player = a_Player;
return true;
}