/// <summary>
/// Check for the closest ore vein to mine ore from.
/// </summary>
/// <param name="agent">The agent we are checking for.</param>
/// <returns>If an ore vein was found.</returns>
public override bool CheckProceduralPrecondition(GameObject agent)
{
// Get all the ore veins in the scene.
GameObject[] veins = GameObject.FindGameObjectsWithTag("Ore");
GameObject closest = null;
float closestDistance = float.MaxValue;
// Find the closest ore vein.
foreach (GameObject v in veins)
{
// Check that no one else is targeting this ore vein.
OreVein ore = v.GetComponent <OreVein>();
if (ore.GetCurrentMiner() == null)
{
float dist = (v.transform.position - agent.transform.position).magnitude;
// Target the closest ore vein that no one else is targeting.
if (dist < closestDistance)
{
closest = v;
closestDistance = dist;
}
}
}
if (closest != null)
{
// Target the closest ore vein.
m_Target = closest;
// Tell the ore vein that this agent is targeting it.
m_Target.GetComponent <OreVein>().SetCurrentMiner(agent.name);
return(m_Target != null);
}
else
{
return(false);
}
}
