-Implemented most of Steal

-Started Attack

Signed-off-by: Tony Grosinger <github2@grosinger.net>

src/net/grosinger/nomads/Drone.java

@@ -37,4 +37,20 @@ public interface Drone extends GameObject {
 	 */
 	public EnumMove move();
 
+	/**
+	 * Asks for which drone should be stolen from. Will be called whenever the
+	 * Move method returns Steal.
+	 * 
+	 * @return <code>Neighbor</code>;
+	 */
+	public Neighbor steal();
+
+	/**
+	 * Asks for which drone should be attacked. Will be called whenever the Move
+	 * method returns Attack.
+	 * 
+	 * @return <code>Neighbor</code>
+	 */
+	public Neighbor attack();
+
 }

src/net/grosinger/nomads/DroneListItem.java

@@ -36,10 +36,12 @@ public class DroneListItem {
 	private int lumaLocatorDistance;
 	private int objectLocatorDistance;
 	private int reliability;
-	private int defenses;
+	private int attack; // Between 1 and 2 - reflects how well can attack
+	private int defenses; // Between 1 and 2 - reflects ability to block
+							// steal
 	private int speed; // Reflected in movements per turn
 	private int cargoSpace;
-	private int theft;
+	private int theft; // Between 1 and 2 - reflects how well can steal
 
 	// Info about this robot
 
@@ -209,6 +211,10 @@ public class DroneListItem {
 		return team;
 	}
 
+	public boolean getInventoryIsFull() {
+		return inventory.size() >= cargoSpace;
+	}
+
 	/**
 	 * Sets the next DroneListItem in the Linked List
 	 * 
@@ -335,11 +341,11 @@ public class DroneListItem {
 			return true;
 		}
 		case Attack: {
-			// TODO - Implement attack
+			doAttack();
 			return true;
 		}
 		case Steal: {
-			// TODO - Implement steal
+			doSteal();
 			return true;
 		}
 		default: {
@@ -351,6 +357,93 @@ public class DroneListItem {
 
 	// Movement
 
+	/**
+	 * Finds who the drone wants to attack and attempts to perform attack.
+	 */
+	private void doAttack() {
+		Neighbor victimNeighbor = current.attack();
+
+		if (victimNeighbor == null) {
+			// Seems they did something wrong. Turn wasted.
+			return;
+		}
+
+		DroneListItem victimList = Nomads.UIDToListItem(victimNeighbor.getUID());
+
+		int victimDefence = victimList.getDefenses();
+
+		// Find a random number between 0-100 to determine success.
+		// Min + (int)(Math.random() * ((Max - Min) + 1))
+		int rand = 0 + (int) (Math.random() * ((100 - 0) + 1));
+
+		// Find modified random number based on stats
+		int newRand = rand * (victimDefence - attack) * -1;
+		newRand += rand;
+
+		// If number is <= 35, drone becomes wanted
+		// If number is <= 70, steal fails
+		// If number is > 70, steal
+		// Depending on how much higher than 70, more items will be stolen
+
+		// TODO - Continue implementing attack
+	}
+
+	/**
+	 * Finds who the drone wants to steal from and attempts to perform steal.
+	 */
+	private void doSteal() {
+		Neighbor victimNeighbor = current.steal();
+
+		if (victimNeighbor == null) {
+			// Seems they did something wrong. Turn wasted.
+			return;
+		}
+
+		DroneListItem victimList = Nomads.UIDToListItem(victimNeighbor.getUID());
+
+		int victimDefence = victimList.getDefenses();
+
+		// Find a random number between 0-100 to determine success.
+		// Min + (int)(Math.random() * ((Max - Min) + 1))
+		int rand = 0 + (int) (Math.random() * ((100 - 0) + 1));
+
+		// Find modified random number based on stats
+		int newRand = rand * (victimDefence - theft) * -1;
+		newRand += rand;
+
+		// If number is <= 35, drone becomes wanted
+		// If number is <= 70, steal fails
+		// If number is > 70, steal
+		// Depending on how much higher than 70, more items will be stolen
+
+		int itemsInVictimInventory = victimList.inventory.size();
+		Double percentToTake = .00;
+
+		if (newRand <= 35) {
+			// TODO - Implement wanted
+		} else if (newRand <= 70) {
+			percentToTake = .00;
+		} else if (newRand > 70 && newRand <= 80) {
+			percentToTake = .2;
+		} else if (newRand > 80 && newRand >= 90) {
+			percentToTake = .4;
+		} else if (newRand >= 100 && newRand <= 98) {
+			percentToTake = .7;
+		} else if (newRand > 98) {
+			percentToTake = 1.0;
+		} else {
+			// Not sure what happened here
+		}
+
+		int itemsToTake = (int) Math.ceil(itemsInVictimInventory * percentToTake);
+		while (itemsToTake < 0 && !getInventoryIsFull() && victimList.inventory.size() > 0) {
+			// Min + (int)(Math.random() * ((Max - Min) + 1))
+			int randIndex = 0 + (int) (Math.random() * (((victimList.inventory.size() - 1) - 0) + 1));
+			inventory.add(victimList.inventory.get(randIndex));
+			victimList.inventory.remove(randIndex);
+		}
+	}
+
 	private void moveDrone(Direction direction) {
 		if (waiting != 0) {
 			waiting--;

src/net/grosinger/nomads/DroneTools.java

@@ -140,7 +140,7 @@ public class DroneTools {
 					if (objectHere instanceof Drone) {
 						Drone droneHere = (Drone) objectHere;
 						DroneListItem listItemHere = Nomads.droneToListItem(droneHere);
-						Neighbor aWildNeighbor = new Neighbor(listItemHere.getX(), listItemHere.getY(), droneHere.getName());
+						Neighbor aWildNeighbor = new Neighbor(listItemHere.getX(), listItemHere.getY(), droneHere.getName(), droneHere.getUID());
 						neighbors.add(aWildNeighbor);
 					}
 				}

src/net/grosinger/nomads/Neighbor.java

@@ -8,6 +8,7 @@ public class Neighbor implements GameObject {
 	private String name;
 	private int x;
 	private int y;
+	private String UID;
 
 	/**
 	 * Class Constructor
@@ -19,10 +20,11 @@ public class Neighbor implements GameObject {
 	 * @param name
 	 *            - Name of the Drone
 	 */
-	public Neighbor(int x, int y, String name) {
+	public Neighbor(int x, int y, String name, String UID) {
 		this.x = x;
 		this.y = y;
 		this.name = name;
+		this.UID = UID;
 	}
 
 	@Override
@@ -48,6 +50,15 @@ public class Neighbor implements GameObject {
 		return y;
 	}
 
+	/**
+	 * Retrieve UID of this Neighbor
+	 * 
+	 * @return <code>String</code> - UID
+	 */
+	public String getUID() {
+		return UID;
+	}
+
 	@Override
 	public void setName(String newName) {
 		name = newName;

src/net/grosinger/nomads/Nomads.java

@@ -172,10 +172,33 @@ public class Nomads {
 		}
 	}
 
+	/**
+	 * Matches a Drone to a DroneListItem
+	 * 
+	 * @param theDrone
+	 *            <code>Drone</code> to be found
+	 * @return <code>DroneListItem</code>
+	 */
 	public static DroneListItem droneToListItem(Drone theDrone) {
 		for (DroneTeam team : allTeams) {
 			DroneListItem current = team.getFirst();
-			if (current.getCurrent().getUID() == theDrone.getUID())
+			if (current.getCurrent().getUID().equals(theDrone.getUID()))
+				return current;
+		}
+		return null;
+	}
+
+	/**
+	 * Matches a UID to a Drone
+	 * 
+	 * @param UID
+	 *            <code>String</code> UID that needs to be found
+	 * @return <code>DroneListItem</code>
+	 */
+	public static DroneListItem UIDToListItem(String UID) {
+		for (DroneTeam team : allTeams) {
+			DroneListItem current = team.getFirst();
+			if (current.getCurrent().getUID().equals(UID))
 				return current;
 		}
 		return null;

src/net/grosinger/nomads/World.java

@@ -113,9 +113,57 @@ public class World {
 	 *            GameObject to be placed
 	 */
 	public void setObjectAt(int x, int y, GameObject newItem) {
+		if (theWorld[x][y] == null) {
 			theWorld[x][y] = newItem;
-		// TODO - Make sure this spot is free.
-		// If it is not, then move somewhere close by
+		} else {
+			Point here = findEmptyPoint(new Point(x, y));
+			theWorld[here.getX()][here.getY()] = newItem;
+		}
+	}
+
+	/**
+	 * Find "closest" point that is available to the point provided
+	 * 
+	 * @param currentPoint
+	 *            - Location of drone
+	 * @return <code>Point</code>
+	 */
+	private Point findEmptyPoint(Point currentPoint) {
+		// Current point is where the drone is
+		boolean validSpace = theWorld[currentPoint.getX()][currentPoint.getY()] == null;
+		Point tryThis = new Point(currentPoint.getX(), currentPoint.getY());
+		int outX = 1;
+		int outY = 0;
+		int multiplier = 1;
+
+		while (!validSpace) {
+			tryThis.setX(currentPoint.getX() + (outX * multiplier));
+			tryThis.setY(currentPoint.getY() + (outY * multiplier));
+			if (theWorld[tryThis.getX()][tryThis.getY()] == null)
+				validSpace = true;
+			else {
+				if (outX == 1 && outY == 0) {
+					outY = 1;
+				} else if (outX == 1 && outY == 1)
+					outX = 0;
+				else if (outX == 0 && outY == 1)
+					outX = -1;
+				else if (outX == -1 && outY == 1)
+					outY = 0;
+				else if (outX == -1 && outY == 0)
+					outY = -1;
+				else if (outX == -1 && outY == -1)
+					outX = 0;
+				else if (outX == 0 && outY == -1)
+					outX = 1;
+				else if (outX == 1 && outY == -1) {
+					outY = 0;
+					outX = 1;
+					multiplier++;
+				}
+			}
+		}
+		return tryThis;
 	}
 
 	/**
@@ -207,7 +255,8 @@ public class World {
 	}
 
 	/**
-	 * Searches for any buildings within range spaces of x,y
+	 * Searches for any buildings within range spaces of x,y. This returns a
+	 * building and should not be given to a Drone
 	 * 
 	 * @param x
 	 *            - X Index
@@ -218,8 +267,17 @@ public class World {
 	 * @return <code>ArrayList(building)</code>
 	 */
 	public ArrayList<Building> buildingsInRange(int x, int y, int range) {
-		// TODO - Implement buildingsInRange
-		return null;
+		ArrayList<Building> allBuildings = new ArrayList<Building>();
+
+		for (int i = -range; i <= range; i++) {
+			for (int j = -range; j <= range; j++) {
+				GameObject objectHere = theWorld[x + i][y + j];
+				if (objectHere != null && objectHere instanceof Building) {
+					allBuildings.add((Building) objectHere);
+				}
+			}
+		}
+		return allBuildings;
 	}
 
 	/**
@@ -251,8 +309,8 @@ public class World {
 		Objective newObjective = new Objective(bounty, UID);
 		setObjectAt(randX, randY, newObjective);
 
-		//Create a point to return that is somewhere nearby the actual location
-		Point pointCloseBy = new Point(randX+varX, randY+varY);
+		// Create a point to return that is somewhere nearby the actual location
+		Point pointCloseBy = new Point(randX + varX, randY + varY);
 
 		return pointCloseBy;
 	}