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package jrummikub.ai;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import jrummikub.ai.fdsolver.Constraint;
import jrummikub.ai.fdsolver.Solver;
import jrummikub.ai.fdsolver.Var;
import jrummikub.ai.fdsolver.constraint.IfConstraint;
import jrummikub.ai.fdsolver.constraint.IndexConstraint;
import jrummikub.ai.fdsolver.constraint.LessThan;
import jrummikub.model.GameSettings;
import jrummikub.model.Stone;
import jrummikub.model.StoneColor;
import static jrummikub.ai.fdsolver.Constraints.*;
/**
* Provides Humanlike Advanced Logic (HAL) that models the options given to a
* player in a turn to the Solver MCP.
*/
public class TurnLogic {
private Solver solver = new Solver();
private GameSettings settings;
private int stoneCount;
private int maxSetSize;
private Var<Boolean> trueVar;
private List<Var<Boolean>> onTable = new ArrayList<Var<Boolean>>();
private List<Var<Integer>> stoneValue = new ArrayList<Var<Integer>>();
private List<Var<Integer>> leftStoneValue = new ArrayList<Var<Integer>>();
private List<Var<Integer>> rightStoneValue = new ArrayList<Var<Integer>>();
private List<Var<StoneColor>> stoneColor = new ArrayList<Var<StoneColor>>();
private List<Var<StoneColor>> leftStoneColor = new ArrayList<Var<StoneColor>>();
private List<Var<StoneColor>> rightStoneColor = new ArrayList<Var<StoneColor>>();
private List<Var<Integer>> lowCount = new ArrayList<Var<Integer>>();
private List<Var<Integer>> leftLowCount = new ArrayList<Var<Integer>>();
private List<Var<Integer>> rightLowCount = new ArrayList<Var<Integer>>();
private List<Var<Integer>> highCount = new ArrayList<Var<Integer>>();
private List<Var<Integer>> leftHighCount = new ArrayList<Var<Integer>>();
private List<Var<Integer>> rightHighCount = new ArrayList<Var<Integer>>();
private List<Var<Integer>> setSize = new ArrayList<Var<Integer>>();
private List<Var<Boolean>> isRun = new ArrayList<Var<Boolean>>();
private List<Var<Integer>> leftNeighbor = new ArrayList<Var<Integer>>();
private List<Var<Integer>> rightNeighbor = new ArrayList<Var<Integer>>();
private List<Var<Integer>> stoneID = new ArrayList<Var<Integer>>();
private List<Var<Boolean>> hasLeftNeighbor = new ArrayList<Var<Boolean>>();
private List<Var<Boolean>> hasRightNeighbor = new ArrayList<Var<Boolean>>();
private List<Boolean> isJoker = new ArrayList<Boolean>();
public TurnLogic(GameSettings settings, Collection<Stone> tableStones,
Collection<Stone> handStones) {
this.settings = settings;
stoneCount = tableStones.size() + handStones.size();
maxSetSize = Math.max(settings.getHighestValue(), settings
.getStoneColors().size());
trueVar = solver.makeVar(true);
int i = 0;
for (Stone stone : tableStones) {
addStone(i, true, stone);
i++;
}
for (Stone stone : handStones) {
addStone(i, false, stone);
i++;
}
for (i = 0; i < stoneCount; i++) {
addConstraints(i);
}
}
private void addStone(int i, boolean table, Stone stone) {
if (table) {
onTable.add(trueVar);
} else {
onTable.add(solver.makeBoolVar());
}
isJoker.add(stone.isJoker());
if (stone.isJoker()) {
stoneValue.add(solver.makeRangeVar(1, settings.getHighestValue()));
stoneColor.add(solver.makeVar(settings.getStoneColors()));
} else {
stoneValue.add(solver.makeVar(stone.getValue()));
stoneColor.add(solver.makeVar(stone.getColor()));
}
leftStoneValue.add(solver.makeRangeVar(1, settings.getHighestValue()));
rightStoneValue.add(solver.makeRangeVar(1, settings.getHighestValue()));
leftStoneColor.add(solver.makeVar(settings.getStoneColors()));
rightStoneColor.add(solver.makeVar(settings.getStoneColors()));
lowCount.add(solver.makeRangeVar(0, maxSetSize - 1));
leftLowCount.add(solver.makeRangeVar(0, maxSetSize - 1));
rightLowCount.add(solver.makeRangeVar(0, maxSetSize - 1));
highCount.add(solver.makeRangeVar(0, maxSetSize - 1));
leftHighCount.add(solver.makeRangeVar(0, maxSetSize - 1));
rightHighCount.add(solver.makeRangeVar(0, maxSetSize - 1));
setSize.add(solver.makeRangeVar(2, maxSetSize - 1));
isRun.add(solver.makeBoolVar());
leftNeighbor.add(solver.makeRangeVar(0, stoneCount - 1));
rightNeighbor.add(solver.makeRangeVar(0, stoneCount - 1));
stoneID.add(solver.makeVar(i));
hasLeftNeighbor.add(solver.makeBoolVar());
hasRightNeighbor.add(solver.makeBoolVar());
}
private void add(Constraint c) {
solver.addConstraint(c);
}
private void addConstraints(int i) {
// Linking of neighbors
add(when(hasLeftNeighbor.get(i),
index(stoneID.get(i), leftNeighbor.get(i), rightNeighbor)));
add(unless(hasLeftNeighbor.get(i), constant(leftNeighbor.get(i), 0)));
add(when(hasLeftNeighbor.get(i),
index(trueVar, leftNeighbor.get(i), hasRightNeighbor)));
add(when(hasRightNeighbor.get(i),
index(stoneID.get(i), rightNeighbor.get(i), leftNeighbor)));
add(unless(hasRightNeighbor.get(i), constant(rightNeighbor.get(i), 0)));
add(when(hasRightNeighbor.get(i),
index(trueVar, rightNeighbor.get(i), hasLeftNeighbor)));
// hand stones have no neighbors
add(unless(onTable.get(i), constant(hasLeftNeighbor.get(i), false)));
add(unless(onTable.get(i), constant(hasRightNeighbor.get(i), false)));
// low/high counts and size
add(unless(hasLeftNeighbor.get(i), constant(lowCount.get(i), 0)));
add(unless(hasRightNeighbor.get(i), constant(highCount.get(i), 0)));
add(when(hasLeftNeighbor.get(i),
index(leftLowCount.get(i), leftNeighbor.get(i), lowCount)));
add(unless(hasLeftNeighbor.get(i), constant(leftLowCount.get(i), 0)));
add(when(hasRightNeighbor.get(i),
index(rightLowCount.get(i), rightNeighbor.get(i), lowCount)));
add(unless(hasRightNeighbor.get(i), constant(rightLowCount.get(i), 0)));
add(when(hasLeftNeighbor.get(i),
index(leftHighCount.get(i), leftNeighbor.get(i), highCount)));
add(unless(hasLeftNeighbor.get(i), constant(leftHighCount.get(i), 0)));
add(when(hasRightNeighbor.get(i),
index(rightHighCount.get(i), rightNeighbor.get(i), highCount)));
add(unless(hasRightNeighbor.get(i), constant(rightHighCount.get(i), 0)));
add(when(hasLeftNeighbor.get(i),
index(setSize.get(i), leftNeighbor.get(i), setSize)));
add(when(hasRightNeighbor.get(i),
index(setSize.get(i), rightNeighbor.get(i), setSize)));
add(when(hasLeftNeighbor.get(i),
offset(1, leftLowCount.get(i), lowCount.get(i))));
add(when(hasRightNeighbor.get(i),
offset(1, lowCount.get(i), rightLowCount.get(i))));
add(when(hasRightNeighbor.get(i),
offset(1, rightHighCount.get(i), highCount.get(i))));
add(when(hasLeftNeighbor.get(i),
offset(1, highCount.get(i), leftHighCount.get(i))));
add(when(onTable.get(i),
sum(lowCount.get(i), highCount.get(i), setSize.get(i))));
add(unless(onTable.get(i), constant(setSize.get(i), 2)));
// set same rules
add(when(hasLeftNeighbor.get(i),
index(isRun.get(i), leftNeighbor.get(i), isRun)));
add(when(hasRightNeighbor.get(i),
index(isRun.get(i), rightNeighbor.get(i), isRun)));
add(unless(onTable.get(i), constant(isRun.get(i), false)));
// rule neighbors
add(when(hasLeftNeighbor.get(i),
index(leftStoneColor.get(i), leftNeighbor.get(i), stoneColor)));
add(unless(hasLeftNeighbor.get(i),
constant(leftStoneColor.get(i), StoneColor.RED)));
add(when(hasRightNeighbor.get(i),
index(rightStoneColor.get(i), rightNeighbor.get(i), stoneColor)));
add(unless(hasRightNeighbor.get(i),
constant(rightStoneColor.get(i), StoneColor.RED)));
add(when(hasLeftNeighbor.get(i),
index(leftStoneValue.get(i), leftNeighbor.get(i), stoneValue)));
add(unless(hasLeftNeighbor.get(i), constant(leftStoneValue.get(i), 1)));
add(when(hasRightNeighbor.get(i),
index(rightStoneValue.get(i), rightNeighbor.get(i), stoneValue)));
add(unless(hasRightNeighbor.get(i), constant(rightStoneValue.get(i), 1)));
// general rules
add(when(
hasLeftNeighbor.get(i),
when(isRun.get(i),
lessThanEq(leftStoneValue.get(i), stoneValue.get(i)))));
add(when(
hasRightNeighbor.get(i),
when(isRun.get(i),
lessThanEq(stoneValue.get(i), rightStoneValue.get(i)))));
add(when(
hasLeftNeighbor.get(i),
when(isRun.get(i),
lessThanEq(leftStoneColor.get(i), stoneColor.get(i)))));
add(when(
hasRightNeighbor.get(i),
when(isRun.get(i),
lessThanEq(stoneColor.get(i), rightStoneColor.get(i)))));
// run rules
add(when(
hasLeftNeighbor.get(i),
when(isRun.get(i),
offset(1, leftStoneValue.get(i), stoneValue.get(i)))));
add(when(
hasRightNeighbor.get(i),
when(isRun.get(i),
offset(1, stoneValue.get(i), rightStoneValue.get(i)))));
add(when(
hasLeftNeighbor.get(i),
when(isRun.get(i),
same(leftStoneColor.get(i), stoneColor.get(i)))));
add(when(
hasRightNeighbor.get(i),
when(isRun.get(i),
same(stoneColor.get(i), rightStoneColor.get(i)))));
// group rules
add(when(
hasLeftNeighbor.get(i),
unless(isRun.get(i),
same(leftStoneValue.get(i), stoneValue.get(i)))));
add(when(
hasRightNeighbor.get(i),
unless(isRun.get(i),
same(stoneValue.get(i), rightStoneValue.get(i)))));
add(when(
hasLeftNeighbor.get(i),
unless(isRun.get(i),
lessThan(leftStoneColor.get(i), stoneColor.get(i)))));
add(when(
hasRightNeighbor.get(i),
unless(isRun.get(i),
lessThan(stoneColor.get(i), rightStoneColor.get(i)))));
// joker defaulting
if (isJoker.get(i)) {
add(unless(onTable.get(i), constant(stoneValue.get(i), 1)));
add(unless(onTable.get(i),
constant(stoneColor.get(i), StoneColor.RED)));
}
}
public boolean solve() {
Set<Integer> tableIDs = new HashSet<Integer>();
Set<Integer> leftIDs = new HashSet<Integer>();
boolean res = solver.solve();
if (!res)
return false;
System.out.println("== Hand ==");
for (int i = 0; i < stoneCount; i++) {
if (onTable.get(i).getValue()) {
tableIDs.add(i);
if (!hasLeftNeighbor.get(i).getValue()) {
leftIDs.add(i);
}
} else {
outputStone(i);
}
}
System.out.println("");
System.out.println("== Table ==");
boolean newLine = false;
boolean first = true;
int nextID = -1; // leftIDs.iterator().next();
while (!tableIDs.isEmpty()) {
if (tableIDs.contains(nextID)) {
tableIDs.remove(nextID);
leftIDs.remove(nextID);
if (newLine) {
if (!first) {
System.out.println("");
}
first = false;
newLine = false;
}
outputStone(nextID);
if (!hasRightNeighbor.get(nextID).getValue()) {
newLine = true;
nextID = -1;
} else {
nextID = rightNeighbor.get(nextID).getValue();
}
} else {
if (leftIDs.isEmpty()) {
nextID = tableIDs.iterator().next();
} else {
nextID = leftIDs.iterator().next();
}
newLine = true;
}
}
System.out.println("");
System.out.println("");
return res;
}
private void outputStone(int i) {
System.out.print("["
+ stoneColor.get(i).getValue().toString().substring(0, 1)
+ stoneValue.get(i).getValue() + "]");
// + "," + leftNeighbor.get(i).getValue() +
// hasLeftNeighbor.get(i).getValue() + lowCount.get(i).getValue() + ","
// + rightNeighbor.get(i).getValue() +
// hasRightNeighbor.get(i).getValue() + highCount.get(i).getValue() +
// "]");
}
}
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