private void InitializeOnce()
{
// The agent will be disabled on any error.
if (!enabled || NavManager.ActiveManager == null)
{
Debug.LogError(name + ": Failed navigation initialization. Missing resources or bad"
+ " configuration. Agent forced to disabled state.");
enabled = false;
return;
}
mManager = NavManager.ActiveManager;
mNav = mManager.CreateAgent(agentGroup, transform);
if (mNav == null)
{
Debug.LogError(name + ": Failed navigation initialization. Could not get navigation"
+ " agent from manager. Agent forced to disabled state.");
enabled = false;
return;
}
mNav.data.rotation = transform.rotation;
mNav.data.position = mNav.GetPointSearch(transform.position);
if (mNav.data.position.polyRef == 0)
{
mNav = null;
Debug.LogError(name + ": Failed to constrain position to the navigation mesh."
+ " Agent forced to disabled state.");
enabled = false;
return;
}
IState planner = new NavPlanner(mNav);
IState mover = new SimpleMover(mNav);
mManagerIndex = mManager.AddAgent(planner, mover);
if (mManagerIndex == -1)
{
Debug.LogError(name +
": Could not add agent to navigation manager. Agent forced to disabled state.");
enabled = false;
return;
}
context = new AgentContext(this.gameObject, new NavController(mNav));
mBrain = GetBrain();
if (mBrain == null)
{
mManager.RemoveAgent(mManagerIndex);
Debug.LogError(
name + ": Could not get the agent brain. Agent forced to disabled state.");
enabled = false;
return;
}
}