/**
* Changes the state. Checks if there is active power pills nearby, if true go eat. Checks if
* there still is a ghost close, if true stay in state Defaults to eat pill state
*
* @return returns change state. Returns null if it remains in this state
*/
public State changeState(Game game, long timeDue) {
int pacmanPos = game.getPacmanCurrentNodeIndex();
// Check for power pill
int closestPowerPill = 0;
int closestDistPowerPill = -1;
if (game.getNumberOfActivePowerPills() > 0) {
for (int i : game.getActivePowerPillsIndices()) {
int temp = game.getShortestPathDistance(pacmanPos, i);
if (closestDistPowerPill > temp || closestDistPowerPill == -1) {
closestPowerPill = i;
closestDistPowerPill = temp;
}
}
}
if (game.getNumberOfActivePowerPills() > 0
&& game.getShortestPathDistance(pacmanPos, closestPowerPill) < mach.DistToPowerPill) {
// System.out.println("(RunFromGhost)Try power pill");
return (State) mach.dataStruc.get("moveNearestPowerPill");
}
// Check for ghost distance
for (GHOST ghost : GHOST.values()) {
if (game.getGhostLairTime(ghost) > 0 || game.isGhostEdible(ghost)) {
continue;
}
if (game.getShortestPathDistance(pacmanPos, game.getGhostCurrentNodeIndex(ghost))
< mach.DistFromNonEdible) {
mach.dataStruc.put("ghost", ghost);
return null;
}
}
// System.out.println("(RunFromGhost) Try nearest pill");
return (State) mach.dataStruc.get("moveNearestPill");
}
/**
* Close to power.
*
* @param game the game
* @return true, if successful
*/
private boolean closeToPower(Game game) {
int pacmanIndex = game.getPacmanCurrentNodeIndex();
int[] powerPillIndices = game.getActivePowerPillsIndices();
for (int i = 0; i < powerPillIndices.length; i++)
if (game.getShortestPathDistance(powerPillIndices[i], pacmanIndex) < PILL_PROXIMITY)
return true;
return false;
}