/**
* Put 6 ninjas into different random positions on the map or randomize current ninjas locations.
*
* @param initial if first fill up the map with 6 ninjas, set this to true.
*/
private void assignNinjas(boolean initial) {
int rRow;
int rCol;
if (initial) {
for (int i = 0; i < 6; i++) {
do {
rRow = random.nextInt(8);
rCol = random.nextInt(8);
} while (isOccupied(rRow, rCol));
Ninja ninja = new Ninja(rRow, rCol);
map[rRow][rCol] = ninja;
if (debug) {
ninja.setVisible(true);
}
// Store the ninja to the array, and mark the new location as
// occupied.
ninjas.add(ninja);
occupiedLocations.add(map[rRow][rCol]);
}
} else {
// If there are ninjas surrond the original position, move them.
for (Square location : surroundSpy) {
if (isNinja(map[location.getRow()][location.getCol()])) {
do {
rRow = random.nextInt(8);
rCol = random.nextInt(8);
if (isNinja(map[rRow][rCol])) {
occupiedLocations.add(map[rRow][rCol]);
}
} while (isOccupied(rRow, rCol));
map[rRow][rCol] = map[location.getRow()][location.getCol()];
Ninja ninja = (Ninja) map[rRow][rCol];
map[location.getRow()][location.getCol()] = new Square(debug, rRow, rCol);
ninja.setRow(rRow);
ninja.setCol(rCol);
if (debug) {
ninja.setVisible(true);
}
occupiedLocations.add(map[rRow][rCol]);
}
}
}
}
/**
* Move the all the ninjas in the game to random directions.
*
* @return true if all ninjas moved successfully, false if foud a spy near by and stabbed him.
*/
public boolean moveNinja() {
// Check if the ninja has stepped on any power up last turn, assign them
// back to their location.
reAssignPowerUps();
for (Ninja ninja : ninjas) {
int row = ninja.getRow();
int col = ninja.getCol();
Square location = null;
ArrayList<Square> validLocations = getValidLocations(ninja);
// Remove all the rooms and ninjas locations from possible moves.
Iterator<Square> iterator = validLocations.iterator();
while (iterator.hasNext()) {
Square loc = iterator.next();
if (isRoom(loc) || isNinja(loc)) {
iterator.remove();
}
}
// The ninja can not stab the spy if the spy has invincibility.
if (!spy.isInvincible()) {
// If there's the spy next to this ninja, stab him!
if (checkForSpy(ninja)) {
return false;
}
} else {
// Remove the spy location from ninja's possible moves when the
// spy is invincible.
Iterator<Square> iter = validLocations.iterator();
while (iter.hasNext()) {
Square loc = iter.next();
if (loc instanceof Spy) {
iter.remove();
}
}
}
// If the ninja got place in the dead end corner and has no where to
// move, it can stay in the same position.
if (validLocations.size() < 3) {
validLocations.add(map[row][col]);
}
// Choose one random direction from possible locations.
int index = random.nextInt(validLocations.size());
location = validLocations.get(index);
int Lrow = location.getRow();
int Lcol = location.getCol();
if (isPowerUp(location)) {
// If the ninja step on the power up, save the power up and
// display the ninja.
powerUps.add((PowerUp) location);
map[Lrow][Lcol] = ninja;
ninja.setRow(Lrow);
ninja.setCol(Lcol);
map[row][col] = new Square(debug, row, col);
} else if (location == map[row][col]) {
// If the ninja stay in the same postion, do nothing.
map[row][col] = ninja;
} else {
map[Lrow][Lcol] = ninja;
ninja.setRow(Lrow);
ninja.setCol(Lcol);
if (!isPowerUp(map[row][col])) {
map[row][col] = new Square(debug, row, col);
}
}
}
return true;
}
/**
* Hard mode: If the spy is on the ninja's line of sight, the ninja will chase the spy until the
* line of sight is broke. If no spy on the line of sight, the ninja will move randomly.
*
* @return true if all ninjas moved successfully, false if foud a spy near by and stabbed him.
*/
public boolean moveSmartNinja() {
// Check if the ninja has stepped on any power up last turn, assign them
// back to their location.
reAssignPowerUps();
Square roomLoc = null;
int spyRow = spy.getRow();
int spyCol = spy.getCol();
for (Ninja ninja : ninjas) {
ArrayList<Square> validLocations = getValidLocations(ninja);
int ninjaRow = ninja.getRow();
int ninjaCol = ninja.getCol();
Square location = null;
// Remove all the rooms and ninjas locations from possible moves.
Iterator<Square> iterator = validLocations.iterator();
while (iterator.hasNext()) {
Square loc = iterator.next();
if (isRoom(loc) || isNinja(loc)) {
iterator.remove();
}
}
// The ninja can not stab the spy if the spy has invincibility.
if (!spy.isInvincible()) {
// If there's the spy next to this ninja, stab him!
if (checkForSpy(ninja)) {
return false;
}
} else {
// Remove the spy location from ninja's possible moves when the
// spy is invincible.
Iterator<Square> iter = validLocations.iterator();
while (iter.hasNext()) {
Square loc = iter.next();
if (loc instanceof Spy) {
iter.remove();
}
}
}
// If the ninja got place in the dead end corner and has no where to
// move, it can stay in the same position.
if (validLocations.size() < 3) {
validLocations.add(map[ninjaRow][ninjaCol]);
}
// If the ninja is in the same row or the same column, evaluate
// which (row or column) and
// find if they are above or below you
if (spyRow == ninjaRow || spyCol == ninjaCol) {
// scenario 1: ninja and spy are in the same column, spy is
// above the ninja
if (spyCol == ninjaCol && spyRow < ninjaRow) {
for (Square room : roomLocations) {
if (ninjaRow < room.getRow() && room.getRow() < spyRow) {
roomLoc = room;
}
}
if (spyRow < roomLoc.getRow() && roomLoc.getRow() < ninjaRow) {
moveNinja();
} else if (validLocations.contains(map[ninjaRow - 1][ninjaCol])) {
// This is SUPPOSED to move the ninja to the
// location
// one spot closer to
// the spy and handle the power up properly
if (isPowerUp(map[ninjaRow - 1][ninjaCol])) {
powerUps.add((PowerUp) map[ninjaRow - 1][ninjaCol]);
map[ninjaRow - 1][ninjaCol] = ninja;
ninja.setRow(ninjaRow - 1);
ninja.setCol(ninjaCol);
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
} else {
map[ninjaRow - 1][ninjaCol] = ninja;
ninja.setRow(ninjaRow - 1);
ninja.setCol(ninjaCol);
if (!isPowerUp(map[ninjaRow][ninjaCol])) {
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
}
}
}
}
// scenario 2: ninja and spy are in the same col, spy is below
// the ninja
if (spyCol == ninjaCol && spyRow > ninjaRow) {
for (Square room : roomLocations) {
if (ninjaRow < room.getRow() && room.getRow() < spyRow) {
roomLoc = room;
}
}
if (ninjaRow < roomLoc.getRow() && roomLoc.getRow() < spyRow) {
moveNinja();
} else if (validLocations.contains(map[ninjaRow + 1][ninjaCol])) {
if (isPowerUp(map[ninjaRow + 1][ninjaCol])) {
powerUps.add((PowerUp) map[ninjaRow + 1][ninjaCol]);
map[ninjaRow + 1][ninjaCol] = ninja;
ninja.setRow(ninjaRow + 1);
ninja.setCol(ninjaCol);
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
} else {
map[ninjaRow + 1][ninjaCol] = ninja;
ninja.setRow(ninjaRow + 1);
ninja.setCol(ninjaCol);
if (!isPowerUp(map[ninjaRow][ninjaCol])) {
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
}
}
}
}
// scenario 3: ninja and spy are in the same row, spy is to the
// left of the ninja
if (spyRow == ninjaRow && spyCol < ninjaCol) {
for (Square room : roomLocations) {
if (ninjaRow < room.getRow() && room.getRow() < spyRow) {
roomLoc = room;
}
}
if (spyCol < roomLoc.getCol() && roomLoc.getCol() < ninjaCol) {
moveNinja();
} else if (validLocations.contains(map[ninjaRow][ninjaCol - 1])) {
if (isPowerUp(map[ninjaRow][ninjaCol - 1])) {
powerUps.add((PowerUp) map[ninjaRow][ninjaCol - 1]);
map[ninjaRow][ninjaCol - 1] = ninja;
ninja.setRow(ninjaRow);
ninja.setCol(ninjaCol - 1);
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
} else {
map[ninjaRow][ninjaCol - 1] = ninja;
ninja.setRow(ninjaRow);
ninja.setCol(ninjaCol - 1);
if (!isPowerUp(map[ninjaRow][ninjaCol])) {
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
}
}
}
// scenario 4: ninja and spy are in the same row, spy is to
// the right of the ninja
if (spyRow == ninjaRow && spyCol > ninjaCol) {
for (Square room : roomLocations) {
if (ninjaRow < room.getRow() && room.getRow() < spyRow) {
roomLoc = room;
}
}
if (spyCol < roomLoc.getCol() && roomLoc.getCol() < ninjaCol) {
moveNinja();
} else if (validLocations.contains(map[ninjaRow][ninjaCol + 1])) {
if (isPowerUp(map[ninjaRow][ninjaCol + 1])) {
powerUps.add((PowerUp) map[ninjaRow][ninjaCol + 1]);
map[ninjaRow][ninjaCol + 1] = ninja;
ninja.setRow(ninjaRow);
ninja.setCol(ninjaCol + 1);
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
} else {
map[ninjaRow][ninjaCol + 1] = ninja;
ninja.setRow(ninjaRow);
ninja.setCol(ninjaCol + 1);
if (!isPowerUp(map[ninjaRow][ninjaCol])) {
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
}
}
}
}
}
} else {
int index = random.nextInt(validLocations.size());
location = validLocations.get(index);
int Lrow = location.getRow();
int Lcol = location.getCol();
if (isPowerUp(location)) {
// If the ninja step on the power up, save the power up
// and
// display the ninja.
powerUps.add((PowerUp) location);
map[Lrow][Lcol] = ninja;
ninja.setRow(Lrow);
ninja.setCol(Lcol);
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
} else if (location == map[ninjaRow][ninjaCol]) {
// If the ninja stay in the same postion, do nothing.
map[ninjaRow][ninjaCol] = ninja;
} else {
map[Lrow][Lcol] = ninja;
ninja.setRow(Lrow);
ninja.setCol(Lcol);
if (!isPowerUp(map[ninjaRow][ninjaCol])) {
map[ninjaRow][ninjaCol] = new Square(debug, ninjaRow, ninjaCol);
}
}
}
}
return true;
}