@Override
public GameState call() throws Exception {
HttpContent content;
HttpRequest request;
HttpResponse response;
GameState gameState = null;
AdvancedGameState advancedGameState;
try {
// Initial request
logger.info("Sending initial request...");
content = new UrlEncodedContent(apiKey);
request = REQUEST_FACTORY.buildPostRequest(gameUrl, content);
request.setReadTimeout(0); // Wait forever to be assigned to a game
response = request.execute();
gameState = response.parseAs(GameState.class);
logger.info("Game URL: {}", gameState.getViewUrl());
advancedGameState = new AdvancedGameState(gameState);
// Game loop
while (!gameState.getGame().isFinished() && !gameState.getHero().isCrashed()) {
logger.info("Taking turn " + gameState.getGame().getTurn());
BotMove direction = bot.move(advancedGameState);
Move move = new Move(apiKey.getKey(), direction.toString());
HttpContent turn = new UrlEncodedContent(move);
HttpRequest turnRequest =
REQUEST_FACTORY.buildPostRequest(new GenericUrl(gameState.getPlayUrl()), turn);
HttpResponse turnResponse = turnRequest.execute();
gameState = turnResponse.parseAs(GameState.class);
advancedGameState = new AdvancedGameState(advancedGameState, gameState);
}
} catch (Exception e) {
logger.error("Error during game play", e);
}
logger.info("Game over");
return gameState;
}
/**
* Creates an AdvancedGameState from a GameState
*
* @param gameState
*/
public AdvancedGameState(GameState gameState) {
boardGraph = new HashMap<>();
mines = new HashMap<>();
pubs = new HashMap<>();
heroesById = new HashMap<>();
heroesByPosition = new HashMap<>();
viewUrl = gameState.getViewUrl();
// Hero stuffs
for (GameState.Hero currentHero : gameState.getGame().getHeroes()) {
this.heroesByPosition.put(currentHero.getPos(), currentHero);
this.heroesById.put(currentHero.getId(), currentHero);
}
this.me = gameState.getHero();
// Build the graph sans edges
GameState.Board board = gameState.getGame().getBoard();
for (int row = 0; row < board.getSize(); row++) {
for (int col = 0; col < board.getSize(); col++) {
// Yeah, Vindinium does the x and y coordinates backwards
GameState.Position pos = new GameState.Position(row, col);
int tileStart = row * board.getSize() * 2 + (col * 2);
String tileValue = board.getTiles().substring(tileStart, tileStart + 1 + 1);
// We do nothing with tiles that are barriers
if (tileValue.equals("##")) {
continue;
}
Vertex v = new Vertex(pos, new LinkedList<Vertex>());
this.boardGraph.put(pos, v);
// If its a mine or tavern, we treat it differently
// We don't care if its a hero because a separate index for those already exists
if (tileValue.startsWith("$")) {
String owner = tileValue.substring(1);
Mine mine;
if (owner.equals("-")) {
mine = new Mine(pos, null);
} else {
int ownerId = Integer.parseInt(owner);
mine = new Mine(pos, this.heroesById.get(ownerId));
}
this.mines.put(pos, mine);
} else if (tileValue.equals("[]")) {
Pub pub = new Pub(pos);
this.pubs.put(pos, pub);
}
}
}
// Add in the edges
// This graph doesn't take into account players because they move. That is done elsewhere.
for (Vertex currentVertex : this.boardGraph.values()) {
GameState.Position currentVertexPosition = currentVertex.getPosition();
// Pubs and mines cannot be passed through
if (this.mines.containsKey(currentVertexPosition)
|| this.pubs.containsKey(currentVertexPosition)) {
continue;
}
// Other players cannot be passed through. However, they move, and mines/pubs don't, so its
// easier to make
// the bot and path-finding deal with that. We don't take other players into account here.
// We can only move NSEW, so no need for a fancy set of nested loops...
for (int xDelta = -1; xDelta <= 1; xDelta += 2) {
int currentX = currentVertex.getPosition().getX();
int newX = currentX + xDelta;
if (newX >= 0 && newX < board.getSize()) {
GameState.Position adjacentPos =
new GameState.Position(newX, currentVertex.getPosition().getY());
Vertex adjacentVertex = this.boardGraph.get(adjacentPos);
if (adjacentVertex != null) {
currentVertex.getAdjacentVertices().add(adjacentVertex);
}
}
}
for (int yDelta = -1; yDelta <= 1; yDelta += 2) {
int currentY = currentVertex.getPosition().getY();
int newY = currentY + yDelta;
if (newY >= 0 && newY < board.getSize()) {
GameState.Position adjacentPos =
new GameState.Position(currentVertex.getPosition().getX(), newY);
Vertex adjacentVertex = this.boardGraph.get(adjacentPos);
if (adjacentVertex != null) {
currentVertex.getAdjacentVertices().add(adjacentVertex);
}
}
}
}
}