/// <summary>
/// Adds a NPCTask instance to a task queue.
/// </summary>
/// <param name="task">NPCTask instance to be added.</param>
/// <param name="initialPriority">Priority of the initial queue ti add the task to.</param>
/// <returns></returns>
public bool AddTask(NPCTask task, int initialPriority)
{
initialPriority = Mathf.Clamp(initialPriority, 0, queues.Length - 1);
queues[initialPriority].tasks.Add(task);
Activate(); //in case there were no tasks and this component was disabled.
Count++;
return(true);
}
/// <summary>
/// Removes a task from a queue by providing its NPCTask instance.
/// </summary>
/// <param name="queueID">ID of the queue to remove the task from.</param>
/// <param name="task">NPCTask instance to remove.</param>
/// <returns>True if the task has been successfully removed, otherwise false.</returns>
public bool RemoveTask(int queueID, NPCTask task)
{
Assert.IsTrue(queueID >= 0 && queueID < queues.Length,
$"[NPCTaskManager] Invalid queue ID!");
if (queues[queueID].tasks.Remove(task))
{
Count--;
return(true);
}
return(false);
}
/// <summary>
/// Runs the NPC task promotion timer.
/// </summary>
protected override void OnActiveUpdate()
{
base.OnActiveUpdate();
if (promotionTimer > 0.0f)
{
promotionTimer -= Time.deltaTime;
}
else
{
promotionTimer = promotionTimeRange.getRandomValue(); //start the promotion timer
//if there's more than one queue:
if (queues.Length > 1)
{
//go through the queues (excluding the first one):
for (int i = 1; i < queues.Length; i++)
{
//move tasks to +1 higher priority level queues:
queues[i - 1].tasks.AddRange(queues[i].tasks);
//free tasks in current queue priority level:
queues[i].tasks.Clear();
}
}
}
if (executeTaskTimer > 0.0f)
{
executeTaskTimer -= Time.deltaTime;
}
else
{
executeTaskTimer = executeTaskTimeRange.getRandomValue(); //start the promotion timer
int i = 0;
//if a task is in queue 0 -> this means that task must be executed ASAP:
//go through the queue 0 tasks:
while (i < queues[0].tasks.Count)
{
NPCTask nextTask = queues[0].tasks[i];
//task type?
switch (nextTask.type)
{
case NPCTaskType.constructBuilding:
//construct a building?
//making sure that the building is still under construction
if (npcMgr.GetNPCComp <NPCBuildingConstructor>().IsBuildingUnderConstruction(nextTask.target as Building))
{
//request the building constructor and force it to construct building.
npcMgr.GetNPCComp <NPCBuildingConstructor>().OnBuildingConstructionRequest(nextTask.target as Building, false, true);
i++;
}
else
{
//remove task:
RemoveTask(0, i);
}
break;
default:
break;
}
}
}
}