/// <summary>
/// Switch the npAgent's navigation back to path finding
/// </summary>
/// <returns></returns>
public void switchModeToPathFinding()
{
mode = 0;
path = terrian_path;
}
/// <summary>
/// Create a NPC.
/// AGXNASK distribution has npAgent move following a Path.
/// </summary>
/// <param name="theStage"> the world</param>
/// <param name="label"> name of </param>
/// <param name="pos"> initial position </param>
/// <param name="orientAxis"> initial rotation axis</param>
/// <param name="radians"> initial rotation</param>
/// <param name="meshFile"> Direct X *.x Model in Contents directory </param>
public NPAgent(Stage theStage, string label, Vector3 pos, Vector3 orientAxis,
float radians, string meshFile)
: base(theStage, label, pos, orientAxis, radians, meshFile)
{
// change names for on-screen display of current camera
first.Name = "npFirst";
follow.Name = "npFollow";
above.Name = "npAbove";
// path is built to work on specific terrain
terrian_path = new Path(stage, makePath(), Path.PathType.REVERSE); // continuous search path
stage.Components.Add(terrian_path);
Random rnd = new Random();
if (rnd.Next() % 2 == 0)
{
// Reverse the path
terrian_path.reverse();
}
path = terrian_path; // start off in path finding mode
nextGoal = path.NextNode; // get first path goal
agentObject.turnToFace(nextGoal.Translation); // orient towards the first path goal
Debug.WriteLine("Wake Up Agent");
}
/// <summary>
/// Switch the npAgent's navigation mode to either treasure or path finding
/// 0: Path Finding Mode
/// 1: Treasure Finding Mode
/// </summary>
/// <returns></returns>
public void switchMode()
{
switch (mode)
{
case 0: // Switch to Mode: EM --> TM
Debug.WriteLine("Switching Mode: Explore Mode --> Treasure Mode (" + mode + " --> "+ (mode+1) % 3 +" )");
mode = 1;
// Save EM goal
savedGoal = nextGoal;
// Set current treasure finding path to closest treasure
Treasure treasure = chooseClosestTreasure(stage.Treasures);
// if treasure found find it by setting path nextGoal
if (treasure != null)
{
Debug.WriteLine("Treasure Path Generated");
// Generate Path from treasure position to agent
treasure_path = stage.graph.GetAStarPath(treasure.position, new Vector3(agentObject.Translation.X, 0, agentObject.Translation.Z));
stage.Components.Add(treasure_path);
path = treasure_path;
nextGoal = path.NextNode;
agentObject.turnToFace(nextGoal.Translation);
restart(); // Start moving again incase we are stopped
} else {
Debug.WriteLine("No treasures found, stop");
base.reset();
}
break;
case 1: // Switch to Mode: TM --> RM
Debug.WriteLine("Switching Mode: Treasure Mode --> Return Mode (" + mode + " --> " + (mode + 1) % 3 + " )");
mode = 2;
path.reverse();
nextGoal = path.NextNode;
agentObject.turnToFace(nextGoal.Translation);
restart();
break;
case 2: // Switch to Mode: RM --> EM
Debug.WriteLine("Switching Mode: Return Mode --> Explore Mode (" + mode + " --> " + (mode + 1) % 3 + " )");
mode = 0;
stage.Components.Remove(treasure_path); // Remove waypoints from ASTAR
path = terrian_path; // Set path back to Explore Mode Path
nextGoal = savedGoal;
agentObject.turnToFace(nextGoal.Translation);
restart();
break;
default:
Debug.WriteLine("Bad Toggle Mode");
break;
}
}
