public MovementInput[] GetToLatest(int startID)
{
int length = currentID - startID;
MovementInput[] result = new MovementInput[length];
for (int i = 0; i < length; i++)
{
result[i] = history[(startID + i) % historySize];
}
if (result.Length > 0)
{
if (result[0].id != startID)
{
throw new Exception("Bad code! Exprected " + startID + " got " + result[0].id);
}
if (result[result.Length - 1].id != currentID - 1)
{
throw new Exception("Bad code! Exprected " + (currentID - 1) + " got " + result[result.Length - 1].id);
}
}
return(result);
}
public MovementInput GetMove(int id)
{
int index = id % historySize;
MovementInput result = history[index];
if (result.id != id)
{
Debug.LogWarning("Looking for input history with ID " + id + ", found " + result.id + ". You may need to increase the history size.");
}
return(result);
}
public int Move(Vector2 move)
{
MovementInput input = new MovementInput
{
move = move,
id = currentID,
time = Time.time
};
int index = currentID % historySize;
history[index] = input;
currentID++;
return(input.id);
}
public void ReceiveUpdate(Vector2 position, int id)
{
if (id != latestAcknowledgedInput.id + 1)
{
Debug.LogWarning("Packet received out of order! Expecting " + (latestAcknowledgedInput.id + 1) + ", got " + id);
}
// make sure we didn't get an update out of order
if (latestAcknowledgedInput.id >= id)
{
return;
}
Debug.DrawLine(debugServerPos, position, Color.green, 5);
debugServerPos = position;
latestAcknowledgedInput = history.GetMove(id);
// replay all inputs that occured after this state update
MovementInput[] inputs = history.GetToLatest(id);
MovementInput previous = history.GetMove(id - 1);
for (int i = 0; i < inputs.Length; i++)
{
//float deltaTime = inputs[i].time - previous.time;
float deltaTime = movementDelta;
position += inputs[i].move * speed * deltaTime;
previous = inputs[i];
}
// add the input that hasen't been sent to the server at all yet
// disabled cuz it doesn't really seem to do anything, but maybe this is a good idea for later
//position += cumulativeInput*speed*(Time.time - previous.time);
if (smoothCorrections)
{
correction = position - (Vector2)transform.position;
Debug.DrawRay(transform.position, correction, Color.red, 5);
}
else
{
transform.position = position;
}
}
private void Awake()
{
latestAcknowledgedInput = new MovementInput {
id = -1
};
}
