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package jrummikub.control;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import jrummikub.model.Hand;
import jrummikub.model.IRoundState;
import jrummikub.model.IHand;
import jrummikub.model.ITable;
import jrummikub.model.Position;
import jrummikub.model.Stone;
import jrummikub.model.StoneSet;
import jrummikub.util.Connection;
import jrummikub.util.Event;
import jrummikub.util.IEvent;
import jrummikub.util.IListener;
import jrummikub.util.Pair;
import jrummikub.view.IView;
/**
* Controller that manages a single round of rummikub
*/
public class RoundControl {
private IRoundState roundState;
private IView view;
private ITable clonedTable;
private Event endOfRoundEvent = new Event();
private List<Connection> connections = new ArrayList<Connection>();
private boolean roundFinished;
/**
* Create a new RoundControl using the given gameState and view
*
* @param roundState
* initial round state
* @param view
* view used for user interaction
*/
public RoundControl(IRoundState roundState, IView view) {
this.roundState = roundState;
this.view = view;
}
/**
* End the round
*
* @return endOfRoundEvent
*/
public IEvent getEndOfRoundEvent() {
return endOfRoundEvent;
}
/**
* Begin the round
*/
public void startRound() {
deal();
connections.add(view.getStartTurnEvent().add(new IListener() {
@Override
public void handle() {
startTurn();
}
}));
prepareTurn();
}
private void prepareTurn() {
clonedTable = (ITable) roundState.getTable().clone();
view.enableStartTurnPanel(true);
view.getTablePanel().setStoneSets(clonedTable);
view.setCurrentPlayerName(roundState.getActivePlayer()
.getPlayerSettings().getName());
view.getTablePanel().setLeftPlayerName(
roundState.getNthNextPlayer(1).getPlayerSettings().getName());
view.getTablePanel().setTopPlayerName(
roundState.getNthNextPlayer(2).getPlayerSettings().getName());
view.getTablePanel().setRightPlayerName(
roundState.getNthNextPlayer(3).getPlayerSettings().getName());
}
private void startTurn() {
TurnControl turnControl = new TurnControl(roundState.getActivePlayer()
.getHand(), clonedTable, view);
connections.add(turnControl.getEndOfTurnEvent().add(new IListener() {
@Override
public void handle() {
endOfTurn();
}
}));
turnControl.startTurn();
}
void deal() {
for (int i = 0; i < roundState.getPlayerCount(); i++) {
IHand hand = roundState.getNthNextPlayer(i).getHand();
for (int j = 0; j < 7; j++) {
hand.drop(roundState.getGameHeap().drawStone(), new Position(j,
0));
hand.drop(roundState.getGameHeap().drawStone(), new Position(j,
1));
}
}
}
private boolean laidOutEnough() {
List<StoneSet> newSets = tableSetDifference(roundState.getTable(),
clonedTable);
int totalValue = 0;
for (StoneSet set : newSets) {
totalValue += set.classify().getSecond();
}
return totalValue >= roundState.getGameSettings()
.getInitialMeldThreshold();
}
private void endOfTurn() {
checkTurn();
if (roundState.getLastPlayer() == null) {
if (roundState.getGameHeap().getSize() == 0) {
roundState.setLastPlayer(roundState.getNthNextPlayer(-1));
} else {
roundState.nextPlayer();
}
} else {
if (roundState.getActivePlayer() == roundState.getLastPlayer()) {
// TODO check who has won
endOfRound();
} else {
roundState.nextPlayer();
}
}
if (!roundFinished) {
prepareTurn();
}
}
private void checkTurn() {
if (!clonedTable.isValid()) {
rejectMove();
return;
}
if (!roundState.getActivePlayer().getLaidOut()) {
// Player touched forbidden stones
if (!tableSetDifference(clonedTable, roundState.getTable()).isEmpty()) {
rejectMove();
return;
}
if (!laidOutEnough()) {
rejectMove();
return;
}
}
Set<Stone> tableDiff = tableDifference(roundState.getTable(),
clonedTable);
roundState.setTable(clonedTable);
if (tableDiff.isEmpty()) {
// Player hasn't made a move
dealStone();
} else {
roundState.getActivePlayer().setLaidOut(true);
if (roundState.getActivePlayer().getHand().getSize() == 0) {
endOfRound();
}
}
}
private void rejectMove() {
Set<Stone> tableDiff = tableDifference(roundState.getTable(),
clonedTable);
// deal penalty, reset
roundState.getGameHeap().putBack(tableDiff);
dealPenalty(tableDiff.size());
}
static Set<Stone> tableDifference(ITable oldTable, ITable newTable) {
Set<Stone> ret = new HashSet<Stone>();
for (Pair<StoneSet, Position> entry : newTable) {
for (Stone stone : entry.getFirst()) {
ret.add(stone);
}
}
for (Pair<StoneSet, Position> entry : oldTable) {
for (Stone stone : entry.getFirst()) {
ret.remove(stone);
}
}
return ret;
}
static List<StoneSet> tableSetDifference(ITable oldTable, ITable newTable) {
List<StoneSet> ret = new ArrayList<StoneSet>();
for (Pair<StoneSet, Position> entry : newTable) {
ret.add(entry.getFirst());
}
for (Pair<StoneSet, Position> entry : oldTable) {
ret.remove(entry.getFirst());
}
return ret;
}
void dealStones(int count) {
IHand hand = roundState.getActivePlayer().getHand();
int rowCount = hand.getRowCount();
for (int i = 0; i < count; ++i) {
if (hand.getFreeRowSpace(rowCount - 1) == 0) {
rowCount++;
}
hand.drop(roundState.getGameHeap().drawStone(), new Position(
Hand.WIDTH - 1, rowCount - 1));
}
}
private void dealStone() {
dealStones(1);
}
private void dealPenalty(int count) {
dealStones(count + 3);
}
private void endOfRound() {
for (Connection c : connections) {
c.remove();
}
endOfRoundEvent.emit();
view.enableWinPanel(true);
roundFinished = true;
}
}
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