public unsafe static void GetPositionPacket(ref byte *ptr, byte id, bool srcExtPos, bool extPos,
Position pos, Position oldPos, Orientation rot, Orientation oldRot)
{
Position delta = GetDelta(pos, oldPos, srcExtPos);
bool posChanged = delta.X != 0 || delta.Y != 0 || delta.Z != 0;
bool oriChanged = rot.RotY != oldRot.RotY || rot.HeadX != oldRot.HeadX;
bool absPosUpdate = Math.Abs(delta.X) > 32 || Math.Abs(delta.Y) > 32 || Math.Abs(delta.Z) > 32;
if (absPosUpdate)
{
*ptr = Opcode.EntityTeleport; ptr++;
*ptr = id; ptr++;
if (extPos)
{
WriteI32(ref ptr, pos.X); WriteI32(ref ptr, pos.Y); WriteI32(ref ptr, pos.Z);
}
else
{
WriteI16(ref ptr, (short)pos.X); WriteI16(ref ptr, (short)pos.Y); WriteI16(ref ptr, (short)pos.Z);
}
}
else if (posChanged)
{
byte opcode = oriChanged ? Opcode.RelPosAndOrientationUpdate : Opcode.RelPosUpdate;
* ptr = opcode; ptr++;
* ptr = id; ptr++;
*ptr = (byte)(delta.X); ptr++;
*ptr = (byte)(delta.Y); ptr++;
*ptr = (byte)(delta.Z); ptr++;
}
else if (oriChanged)
{
*ptr = Opcode.OrientationUpdate; ptr++;
*ptr = id; ptr++;
}
if (absPosUpdate || oriChanged)
{
*ptr = rot.RotY; ptr++;
*ptr = rot.HeadX; ptr++;
}
}
public void SetYawPitch(byte yaw, byte pitch) {
Orientation rot = Rot;
rot.RotY = yaw; rot.HeadX = pitch;
Rot = rot;
}