/**
* Calculates distance between two locations on the game map.
*
* @param t1 one location on the game map
* @param t2 another location on the game map
* @return distance between <code>t1</code> and <code>t2</code>
*/
public int getDistance(Tile t1, Tile t2) {
int rowDelta = Math.abs(t1.getRow() - t2.getRow());
int colDelta = Math.abs(t1.getCol() - t2.getCol());
rowDelta = Math.min(rowDelta, rows - rowDelta);
colDelta = Math.min(colDelta, cols - colDelta);
return rowDelta * rowDelta + colDelta * colDelta;
}
/**
* Returns location with the specified offset from the specified location.
*
* @param tile location on the game map
* @param offset offset to look up
* @return location with <code>offset</code> from <cod>tile</code>
*/
public Tile getTile(Tile tile, Tile offset) {
int row = (tile.getRow() + offset.getRow()) % rows;
if (row < 0) {
row += rows;
}
int col = (tile.getCol() + offset.getCol()) % cols;
if (col < 0) {
col += cols;
}
return new Tile(row, col);
}
/**
* Returns one or two orthogonal directions from one location to the another.
*
* @param t1 one location on the game map
* @param t2 another location on the game map
* @return orthogonal directions from <code>t1</code> to <code>t2</code>
*/
public List<Aim> getDirections(Tile t1, Tile t2) {
List<Aim> directions = new ArrayList<Aim>();
if (t1.getRow() < t2.getRow()) {
if (t2.getRow() - t1.getRow() >= rows / 2) {
directions.add(Aim.NORTH);
} else {
directions.add(Aim.SOUTH);
}
} else if (t1.getRow() > t2.getRow()) {
if (t1.getRow() - t2.getRow() >= rows / 2) {
directions.add(Aim.SOUTH);
} else {
directions.add(Aim.NORTH);
}
}
if (t1.getCol() < t2.getCol()) {
if (t2.getCol() - t1.getCol() >= cols / 2) {
directions.add(Aim.WEST);
} else {
directions.add(Aim.EAST);
}
} else if (t1.getCol() > t2.getCol()) {
if (t1.getCol() - t2.getCol() >= cols / 2) {
directions.add(Aim.EAST);
} else {
directions.add(Aim.WEST);
}
}
return directions;
}
/**
* Returns one or two orthogonal directions from one location to the another.
*
* @param t1 one location on the game map
* @param t2 another location on the game map
* @return orthogonal directions from <code>t1</code> to <code>t2</code>
* @throws Exception
*/
public Aim getDirections(Tile t1, Tile t2) throws InvalidParameterException {
Aim direction = null;
if (t1.getRow() < t2.getRow()) {
if (t2.getRow() - t1.getRow() >= rows / 2) {
direction = Aim.NORTH;
} else {
direction = Aim.SOUTH;
}
} else if (t1.getRow() > t2.getRow()) {
if (t1.getRow() - t2.getRow() >= rows / 2) {
direction = Aim.SOUTH;
} else {
direction = Aim.NORTH;
}
} else if (t1.getCol() < t2.getCol()) {
if (t2.getCol() - t1.getCol() >= cols / 2) {
direction = Aim.WEST;
} else {
direction = Aim.EAST;
}
} else if (t1.getCol() > t2.getCol()) {
if (t1.getCol() - t2.getCol() >= cols / 2) {
direction = Aim.EAST;
} else {
direction = Aim.WEST;
}
} else {
direction = Aim.WEST;
}
return direction;
}
/** Clears game state information about enemy ants locations. */
public void clearEnemyAnts() {
Set<Tile> anemys = enemyAnts;
for (Tile enemyAnt : anemys) {
map[enemyAnt.getRow()][enemyAnt.getCol()] = Ilk.LAND;
}
anemys.clear();
}
/** Clears game state information about my ants locations. */
public void clearMyAnts() {
Set<Tile> ants = myAnts;
for (Tile myAnt : ants) {
map[myAnt.getRow()][myAnt.getCol()] = Ilk.LAND;
}
ants.clear();
}
/** Calculates visible information */
public void setVision() {
for (Tile antLoc : myAnts) {
for (Tile locOffset : visionOffsets) {
Tile newLoc = getTile(antLoc, locOffset);
visible[newLoc.getRow()][newLoc.getCol()] = true;
}
}
}
/** Calculates visible information */
public void setVision() {
Set<Tile> ants = myAnts;
Set<Tile> offSets = visionOffsets;
for (Tile antLoc : ants) {
for (Tile locOffset : offSets) {
Tile newLoc = getTile(antLoc, locOffset);
visible[newLoc.getRow()][newLoc.getCol()] = true;
}
}
}
/**
* Returns location in the specified direction from the specified location.
*
* @param tile location on the game map
* @param direction direction to look up
* @return location in <code>direction</code> from <cod>tile</code>
*/
public Tile getTile(Tile tile, Aim direction) {
int row = (tile.getRow() + direction.getRowDelta()) % rows;
if (row < 0) {
row += rows;
}
int col = (tile.getCol() + direction.getColDelta()) % cols;
if (col < 0) {
col += cols;
}
return new Tile(row, col);
}
/**
* Updates game state information about new ants and food locations.
*
* @param ilk ilk to be updated
* @param tile location on the game map to be updated
*/
public void update(Ilk ilk, Tile tile) {
map[tile.getRow()][tile.getCol()] = ilk;
switch (ilk) {
case FOOD:
foodTiles.add(tile);
break;
case MY_ANT:
myAnts.add(tile);
break;
case ENEMY_ANT:
enemyAnts.add(tile);
break;
}
}
/** Clears game state information about food locations. */
public void clearFood() {
for (Tile food : foodTiles) {
map[food.getRow()][food.getCol()] = Ilk.LAND;
}
foodTiles.clear();
}
/** Clears game state information about enemy ants locations. */
public void clearEnemyAnts() {
for (Tile enemyAnt : enemyAnts) {
map[enemyAnt.getRow()][enemyAnt.getCol()] = Ilk.LAND;
}
enemyAnts.clear();
}
/**
* Returns true if a location is visible this turn
*
* @param tile location on the game map
* @return true if the location is visible
*/
public boolean isVisible(Tile tile) {
return visible[tile.getRow()][tile.getCol()];
}
/** Clears game state information about my ants locations. */
public void clearMyAnts() {
for (Tile myAnt : myAnts) {
map[myAnt.getRow()][myAnt.getCol()] = Ilk.LAND;
}
myAnts.clear();
}
/**
* Returns ilk at the location in the specified direction from the specified location.
*
* @param tile location on the game map
* @param direction direction to look up
* @return ilk at the location in <code>direction</code> from <cod>tile</code>
*/
public Ilk getIlk(Tile tile, Aim direction) {
Tile newTile = getTile(tile, direction);
return map[newTile.getRow()][newTile.getCol()];
}
/**
* Sets ilk at the specified location.
*
* @param tile location on the game map
* @param ilk ilk to be set at <code>tile</code>
*/
public void setIlk(Tile tile, Ilk ilk) {
map[tile.getRow()][tile.getCol()] = ilk;
}
/**
* Returns ilk at the specified location.
*
* @param tile location on the game map
* @return ilk at the <cod>tile</code>
*/
public Ilk getIlk(Tile tile) {
return map[tile.getRow()][tile.getCol()];
}