public static void WriteCompressedWaypoints(this LittleEndianWriter writer, GridPosition[] data)
{
int size = data.Length;
if (size < 1)
{
throw new IOException("Need at least 1 waypoint!");
}
byte[] flagsBuffer;
if (size > 1)
{
flagsBuffer = new byte[(size - 2) / 4 + 1u];
}
else
{
flagsBuffer = new byte[0];
}
var flags = new BitArray(flagsBuffer);
for (int i = 1, flag = 0; i < size; i++)
{
int relativeX = data[i].X - data[i - 1].X;
flags[flag] = (relativeX <= SByte.MaxValue && relativeX >= SByte.MinValue);
flag++;
int realtiveZ = data[i].Y - data[i - 1].Y;
flags[flag] = (realtiveZ <= SByte.MaxValue && realtiveZ >= SByte.MinValue);
flag++;
}
flags.CopyTo(flagsBuffer, 0);
writer.WriteBytes(flagsBuffer);
writer.WriteShort(data[0].X);
writer.WriteShort(data[0].Y);
for (int i = 1, flag = 0; i < size; i++)
{
if (flags[flag])
{
writer.WriteSByte((SByte)(data[i].X - data[i - 1].X));
}
else
{
writer.WriteShort(data[i].X);
}
flag++;
if (flags[flag])
{
writer.WriteSByte((SByte)(data[i].Y - data[i - 1].Y));
}
else
{
writer.WriteShort(data[i].Y);
}
flag++;
}
}
public void Serialize(LittleEndianWriter writer)
{
writer.WriteUInt(TargetNetId);
writer.WriteSByte((sbyte)(ExtraTime + 128));
writer.WriteUInt(MissileNextId);
writer.WriteByte((byte)AttackSlot); // attackSlot
TargetPosition.Serialize(writer);
}