/**
* Implements Speed special movement/attack model.
*
* @param board
* @param mtkn
* @return
*/
public List<Vector2D> powerMovementSystemSpeed(Board board, MovablePlayerToken mtkn) {
List<Vector2D> movements = new ArrayList<Vector2D>();
List<Vector2D> extraMovements = new ArrayList<Vector2D>();
// Make consecutive movements:
int x = mtkn.getCol();
int y = mtkn.getRow();
movements.add(new Vector2D(y - 1, x));
movements.add(new Vector2D(y + 1, x));
movements.add(new Vector2D(y, x - 1));
movements.add(new Vector2D(y, x + 1));
movements = validInBoard(movements);
movements = validInPlayer(board, movements);
for (int k = 0; k < movements.size(); k++) {
if (board.getToken(movements.get(k).y, movements.get(k).x).getOwn()
!= this.getTurn().otherSide()) {
extraMovements.add(new Vector2D(movements.get(k).y - 1, movements.get(k).x));
extraMovements.add(new Vector2D(movements.get(k).y + 1, movements.get(k).x));
extraMovements.add(new Vector2D(movements.get(k).y, movements.get(k).x - 1));
extraMovements.add(new Vector2D(movements.get(k).y, movements.get(k).x + 1));
}
}
extraMovements = validInBoard(extraMovements);
extraMovements = validInPlayer(board, extraMovements);
movements.addAll(extraMovements);
return movements;
}
public void moveToken(Board board, MovablePlayerToken src, Vector2D trgloc) {
// A move happens only between a movablePlayerToken and Grass token:
// Swap tokens:
int tmpc = src.getCol();
int tmpr = src.getRow();
// Update position of source token:
this.insertToken2Board(board, src, trgloc.y, trgloc.x);
// fill the space with grass:
this.insertToken2Board(board, StrategoBoard.grassToken, tmpr, tmpc);
}
/**
* Implements Range special attack model.
*
* @param board
* @param mtkn
* @return
*/
public List<Vector2D> powerMovementSystemRange(Board board, MovablePlayerToken mtkn) {
List<Vector2D> movements = new ArrayList<Vector2D>();
int x = mtkn.getCol();
int y = mtkn.getRow();
for (int i = -2; i <= 2; i++) {
for (int j = -2; j <= 2; j++) {
movements.add(new Vector2D(y + i, x + j));
}
}
movements = validInBoard(movements);
movements = validInPlayer(board, movements);
// Because this system implements ranged attack,
// valid targets are only enemy tokens:
movements = validForAttack(board, movements);
return movements;
}
/**
* <b>pre-condition</b>: The Token to exist in Board. Computes valid movement locations for the
* token in board.
*
* @param board
* @param tkn
* @return
*/
public List<Vector2D> tokenSelection(Board board, Token tkn) {
// List<Vector2D> moveLocations = new ArrayList<Vector2D>();
this.moveLocations = new ArrayList<Vector2D>();
// Determine if action is valid (is permitted):
if (tkn instanceof MovablePlayerToken) {
// Get available positions for movement/attack
// based on token class:
MovablePlayerToken mtkn = (MovablePlayerToken) tkn;
// Special movement pattern for scouts, based on state of the board:
if (mtkn instanceof Scout) {
this.moveLocations = movementSystemScout(board, (Scout) mtkn);
} else {
// Get ABSOLUTE board locations:
this.moveLocations = mtkn.getMovePattern();
// Vector2D pos = new Vector2D(mtkn.getRow(),mtkn.getCol());
// Check what locations are valid on the board:
this.moveLocations = validInBoard(this.moveLocations);
this.moveLocations = validInPlayer(board, this.moveLocations);
}
}
// else return empty valid move locations:
return this.moveLocations;
}
/**
* Saves the lost (input) Token and places it back to the board in the first empty position. If no
* empty position Token is not saved.
*
* @param board
* @param tkn
* @return
*/
public boolean saveToken(Board board, MovablePlayerToken tkn) {
// Check if input Token is indeed killed;
if (tkn.getCol() >= 0) {
return false;
}
// Move the selected Token into the board (if possible!):
if (getTurn().side().pname.equals("Fire")) {
// find the first empty spot:
for (int k = 0; k < 30; k++) {
int r = k / 10 + 5;
int c = k % 10;
if (board.getToken(r, c) instanceof Grass) {
this.insertToken2Board(board, tkn, r, c);
return true;
}
}
}
return false;
}
public void attackToken(
Board board, MovablePlayerToken src, PlayerToken trg, boolean specialPower) {
// An attack happens only between PlayerTokens:
// perform attack method of source token:
String outcome = "";
// No need for an extra attack method, just interpret differently the results.
if (specialPower && (src instanceof SpecialMovablePlayerToken)) {
SpecialMovablePlayerToken scltkn = (SpecialMovablePlayerToken) src;
outcome = scltkn.specialAttackTo(trg);
} else {
outcome = src.attackTo(trg);
}
if (outcome.equals("won")) {
// Save location:
int tmpc = trg.getCol();
int tmpr = trg.getRow();
// Remove token that lost from the board:
takeToken(board, trg);
// move token that won to its place:
this.moveToken(board, src, new Vector2D(tmpr, tmpc));
} else if (outcome.equals("lost")) {
// Remove token that lost from the board:
takeToken(board, src);
} else if (outcome.equals("tie")) {
// remove both tokens from the board:
takeToken(board, src);
takeToken(board, trg);
} else if (outcome.equals("wonNotMove")) {
// Remove token that lost from the board:
takeToken(board, trg);
} else if (outcome.equals("nothing")) {
// Nothing happens in the board.
} else if (outcome.equals("convert")) {
// Target Token is converted to the other side (probably
// due to cookies)..
convertToken(board, trg);
}
}
/**
* Performs an action from source token to the target token. Actions can be: 1. Nothing (action
* not permitted) 2. Move (valid movement action) 3. Attack (valid attack action)
*
* @param src The source token
* @param trg The target token
* @return The outcome of the action was successful. False: no action whatsoever.
*/
public boolean tokenAction(
Board board,
Token src,
Token trg,
Vector2D trgloc,
StrategoAppViewer viewer,
boolean specialPower) {
// List<Vector2D> moveLocations = new ArrayList<Vector2D>();
// Determine if action is valid (is permitted):
// Token action is already validated by the viewer, but the controller ought to check:
// (in case viewer is not used):
boolean found = false;
// Get available positions for movement/attack:
if (specialPower) {
this.moveLocations = tokenSpecialSelection(board, src);
} else {
this.moveLocations = tokenSelection(board, src);
}
for (int i = 0; i < this.moveLocations.size(); i++) {
if ((trgloc.y == this.moveLocations.get(i).y) && (trgloc.x == this.moveLocations.get(i).x)) {
found = true;
break;
}
}
// if no valid movement/token detected: do not execute action:
if (!found) {
return false;
}
// Now that the movement is permitted:
// Check what token action to perform:
if (trg instanceof BackgroundToken) {
// Grass is the only move-onto background token:
this.moveToken(board, (MovablePlayerToken) src, trgloc);
} else {
// else this is an attack:
this.attackToken(board, (MovablePlayerToken) src, (PlayerToken) trg, specialPower);
}
MovablePlayerToken saviour = null;
// Check if a token moved in enemy's back row:
for (int k = 0; k < getTurn().side().tokens.size(); k++) {
if (getTurn().side().pname == "Fire") {
if ((getTurn().side().tokens.get(k).getRow() == 0)) {
saviour = (MovablePlayerToken) getTurn().side().tokens.get(k);
}
} else {
if ((getTurn().side().tokens.get(k).getRow() == 7)) {
saviour = (MovablePlayerToken) getTurn().side().tokens.get(k);
}
}
}
// Scouts can not save tokens:
if (saviour instanceof Scout) {
saviour = null;
} else if (getTurn().side().getTotalSaves() > 2) {
// Can not save more than twice:
saviour = null;
} else if ((saviour != null) && saviour.savedToken()) {
// Can not save more than twice:
// Get a random Token to save:
for (int k = 0; k < getTurn().side().tokens.size(); k++) {
if (getTurn().side().tokens.get(k).getCol() < 0) {
if (getTurn().side().tokens.get(k) instanceof MovablePlayerToken) {
if (saveToken(board, (MovablePlayerToken) getTurn().side().tokens.get(k))) {
break;
}
}
}
}
}
// if player turn completed successfully, check if winning condition:
getTurn().setWinner(doWeHaveAWinner(board, getTurn()));
// Else change sides:
if (getTurn().getWinner() == null) {
getTurn().flip();
} else {
endGame(getTurn());
}
return true;
}