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mancala.java
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import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Stack;
public class mancala {
static int typeOfGame;
static int whatPlayerIAm;
static int depthOfGame;
static ArrayList<Integer> player2GameState = new ArrayList<Integer>();
static ArrayList<Integer> player1GameState = new ArrayList<Integer>();
static int stonesInPlayer2Mancala;
static int stonesInPlayer1Mancala;
static int[] actualGameState;
static mancala tempObject = new mancala();
static EvaluatingItem evaluatingItem = tempObject.new EvaluatingItem();
static ArrayList<EvaluatingItem> differenceValuesList = new ArrayList<EvaluatingItem>();
static Stack<MinmaxStateItem> stack = new Stack<mancala.MinmaxStateItem>();
static int alpha = Integer.MIN_VALUE;
static int beta = Integer.MAX_VALUE;
static PrintWriter minmaxTraverseWriter = null;
static PrintWriter alphabetaTraverseWriter = null;
public static void main(String[] args) {
File file;
file = new File("next_state.txt");
try {
file.createNewFile();
file = new File("traverse_log.txt");
file.createNewFile();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (args.length > 1) {
try {
BufferedReader bufferedLineReader = new BufferedReader(
new FileReader(args[1]));
String inputLine;
while ((inputLine = bufferedLineReader.readLine()) != null) {
typeOfGame = Integer.parseInt(inputLine);
whatPlayerIAm = Integer.parseInt(bufferedLineReader
.readLine());
depthOfGame = Integer.parseInt(bufferedLineReader
.readLine());
String[] temp;
temp = bufferedLineReader.readLine().split(" ");
for (int i = 0; i < temp.length; i++) {
player2GameState.add(Integer.parseInt(temp[i]));
}
temp = bufferedLineReader.readLine().split(" ");
for (int i = 0; i < temp.length; i++) {
player1GameState.add(Integer.parseInt(temp[i]));
}
stonesInPlayer2Mancala = Integer
.parseInt(bufferedLineReader.readLine());
stonesInPlayer1Mancala = Integer
.parseInt(bufferedLineReader.readLine());
}
bufferedLineReader.close();
} catch (Exception e) {
}
}
actualGameState = gameArrayConstructor(player1GameState,
stonesInPlayer1Mancala, player2GameState,
stonesInPlayer2Mancala);
switch (typeOfGame) {
case 1:
greedyMancala(actualGameState);
break;
case 2:
try {
minmaxTraverseWriter = new PrintWriter(new BufferedWriter(
new FileWriter("traverse_log.txt", false)));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
minMax(actualGameState);
minmaxTraverseWriter.close();
break;
case 3:
try {
alphabetaTraverseWriter = new PrintWriter(new BufferedWriter(
new FileWriter("traverse_log.txt", false)));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
alpha_beta_pruning(actualGameState);
alphabetaTraverseWriter.close();
break;
case 4:
break;
}
}
private static void minMax(int[] actualGameState) {
int depth = 0;
String player2 = "", player1 = "", player2Mancala = null, player1Mancala = null;
MinmaxStateItem minmaxStateItem = tempObject.new MinmaxStateItem();
minmaxStateItem.boradInThisState = new int[actualGameState.length];
minmaxStateItem.boradInThisState = actualGameState.clone();
minmaxStateItem.depth = depth;
minmaxStateItem.evaluateMinOrMax = 1;
minmaxStateItem.minMaxValue = Integer.MIN_VALUE;
minmaxStateItem.parent_detils = null;
minmaxStateItem.player_Name = "root";
if (isPlayerBoardEmpty(actualGameState)
&& isPlayer2BoardEmpty(actualGameState)) {
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
if (whatPlayerIAm == 1) {
if (isPlayerBoardEmpty(actualGameState)) {
for (int j = actualGameState.length / 2 + 1; j < actualGameState.length; j++) {
actualGameState[0] = actualGameState[0]
+ actualGameState[j];
actualGameState[j] = 0;
}
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
if (isPlayer2BoardEmpty(actualGameState)) {
for (int j = 1; j < actualGameState.length / 2; j++) {
actualGameState[actualGameState.length / 2] = actualGameState[actualGameState.length / 2]
+ actualGameState[j];
actualGameState[j] = 0;
}
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
} else {
if (isPlayerBoardEmpty(actualGameState)) {
for (int j = actualGameState.length / 2 + 1; j < actualGameState.length; j++) {
actualGameState[0] = actualGameState[0]
+ actualGameState[j];
actualGameState[j] = 0;
}
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
if (isPlayer2BoardEmpty(actualGameState)) {
for (int j = 1; j < actualGameState.length / 2; j++) {
actualGameState[actualGameState.length / 2] = actualGameState[actualGameState.length / 2]
+ actualGameState[j];
actualGameState[j] = 0;
}
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
}
stack.push(minmaxStateItem);
minmaxTraverseWriter.println("Node" + "," + "Depth" + "," + "Value");
writeMinMaxTraverseLogToFile(minmaxStateItem.player_Name + ","
+ minmaxStateItem.depth + "," + minmaxStateItem.minMaxValue);
if (whatPlayerIAm == 1) {
minPlayer1(depth + 1, actualGameState, minmaxStateItem);
} else {
minPlayer2(depth + 1, actualGameState, minmaxStateItem);
}
minmaxStateItem = stack.pop();
if(minmaxStateItem.nextBestState == null)
{
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
for (int i = minmaxStateItem.nextBestState.length - 1; i > minmaxStateItem.nextBestState.length / 2; i--) {
player2 += Integer.toString(minmaxStateItem.nextBestState[i]) + " ";
}
for (int i = 1; i < minmaxStateItem.nextBestState.length / 2; i++) {
player1 += Integer.toString(minmaxStateItem.nextBestState[i]) + " ";
}
player2Mancala = Integer.toString(minmaxStateItem.nextBestState[0]);
player1Mancala = Integer
.toString(minmaxStateItem.nextBestState[minmaxStateItem.nextBestState.length / 2]);
try {
PrintWriter fileWriter = new PrintWriter(new BufferedWriter(
new FileWriter("next_state.txt", false)));
/*
* String temp = new StringBuilder(player2).reverse().toString()
* .trim();
*/
fileWriter.println(player2);
fileWriter.println(player1);
fileWriter.println(player2Mancala);
fileWriter.println(player1Mancala);
// System.out.println(player2);
// System.out.println(player1);
// System.out.println(player2Mancala);
// System.out.println(player1Mancala);
fileWriter.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static void writeMinMaxTraverseLogToFile(String traverseString) {
String[] split = traverseString.split(",");
String splitString = split[2];
int parseInt = Integer.parseInt(splitString);
if (parseInt == Integer.MIN_VALUE) {
splitString = "-Infinity";
} else if (parseInt == Integer.MAX_VALUE) {
splitString = "Infinity";
}
split[2] = splitString;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < split.length; ++i) {
if (i < 2) {
sb.append(split[i]).append(",");
} else {
sb.append(split[i]);
}
}
minmaxTraverseWriter.println(sb);
}
private static void alpha_beta_pruning(int[] actualGameState) {
int depth = 0;
String player2 = "", player1 = "", player2Mancala = null, player1Mancala = null;
MinmaxStateItem minmaxStateItem = tempObject.new MinmaxStateItem();
minmaxStateItem.boradInThisState = new int[actualGameState.length];
minmaxStateItem.boradInThisState = actualGameState.clone();
minmaxStateItem.depth = depth;
minmaxStateItem.evaluateMinOrMax = 1;
minmaxStateItem.minMaxValue = Integer.MIN_VALUE;
minmaxStateItem.parent_detils = null;
minmaxStateItem.player_Name = "root";
if (isPlayerBoardEmpty(actualGameState)
&& isPlayer2BoardEmpty(actualGameState)) {
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
if (whatPlayerIAm == 1) {
if (isPlayerBoardEmpty(actualGameState)) {
for (int j = actualGameState.length / 2 + 1; j < actualGameState.length; j++) {
actualGameState[0] = actualGameState[0]
+ actualGameState[j];
actualGameState[j] = 0;
}
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
if (isPlayer2BoardEmpty(actualGameState)) {
for (int j = 1; j < actualGameState.length / 2; j++) {
actualGameState[actualGameState.length / 2] = actualGameState[actualGameState.length / 2]
+ actualGameState[j];
actualGameState[j] = 0;
}
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
} else {
if (isPlayerBoardEmpty(actualGameState)) {
for (int j = actualGameState.length / 2 + 1; j < actualGameState.length; j++) {
actualGameState[0] = actualGameState[0]
+ actualGameState[j];
actualGameState[j] = 0;
}
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
if (isPlayer2BoardEmpty(actualGameState)) {
for (int j = 1; j < actualGameState.length / 2; j++) {
actualGameState[actualGameState.length / 2] = actualGameState[actualGameState.length / 2]
+ actualGameState[j];
actualGameState[j] = 0;
}
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
}
stack.push(minmaxStateItem);
alphabetaTraverseWriter.println("Node" + "," + "Depth" + "," + "Value"
+ "," + "Alpha" + "," + "Beta");
alphabetaTraverseWriter(minmaxStateItem.player_Name + ","
+ minmaxStateItem.depth + "," + minmaxStateItem.minMaxValue
+ "," + alpha + "," + beta);
if (whatPlayerIAm == 1) {
alphabetaMinPlayer1(depth + 1, actualGameState, minmaxStateItem);
} else {
alphabetaMinPlayer2(depth + 1, actualGameState, minmaxStateItem);
}
minmaxStateItem = stack.pop();
if(minmaxStateItem.nextBestState == null)
{
minmaxStateItem.nextBestState = new int[actualGameState.length];
minmaxStateItem.nextBestState = actualGameState.clone();
}
for (int i = minmaxStateItem.nextBestState.length - 1; i > minmaxStateItem.nextBestState.length / 2; i--) {
player2 += Integer.toString(minmaxStateItem.nextBestState[i]) + " ";
}
for (int i = 1; i < minmaxStateItem.nextBestState.length / 2; i++) {
player1 += Integer.toString(minmaxStateItem.nextBestState[i]) + " ";
}
player2Mancala = Integer.toString(minmaxStateItem.nextBestState[0]);
player1Mancala = Integer
.toString(minmaxStateItem.nextBestState[minmaxStateItem.nextBestState.length / 2]);
try {
PrintWriter fileWriter = new PrintWriter(new BufferedWriter(
new FileWriter("next_state.txt", false)));
/*
* String temp = new StringBuilder(player2).reverse().toString()
* .trim();
*/
fileWriter.println(player2);
fileWriter.println(player1);
fileWriter.println(player2Mancala);
fileWriter.println(player1Mancala);
// System.out.println(player2);
// System.out.println(player1);
// System.out.println(player2Mancala);
// System.out.println(player1Mancala);
fileWriter.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private static void alphabetaTraverseWriter(String traverseString) {
String[] split = traverseString.split(",");
String splitString = split[2];
int parseInt = Integer.parseInt(splitString);
if (parseInt == Integer.MIN_VALUE) {
splitString = "-Infinity";
} else if (parseInt == Integer.MAX_VALUE) {
splitString = "Infinity";
}
split[2] = splitString;
String alphaString = split[3];
int parseIntalpha = Integer.parseInt(alphaString);
if (parseIntalpha == Integer.MIN_VALUE) {
alphaString = "-Infinity";
} else if (parseIntalpha == Integer.MAX_VALUE) {
alphaString = "Infinity";
}
split[3] = alphaString;
String betaString = split[4];
int parseIntbeta = Integer.parseInt(betaString);
if (parseIntbeta == Integer.MIN_VALUE) {
betaString = "-Infinity";
} else if (parseIntbeta == Integer.MAX_VALUE) {
betaString = "Infinity";
}
split[4] = betaString;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < split.length; ++i) {
if (i < 4) {
sb.append(split[i]).append(",");
} else {
sb.append(split[i]);
}
}
alphabetaTraverseWriter.println(sb);
}
private static void alphabetaMinPlayer2(int depth,
int[] actualGameStateForEvaluation, MinmaxStateItem parent) {
int stonesTobeMoved = 0;
int differenceOfStonesInMancala = 0;
boolean prune = false;
for (int i = ((actualGameStateForEvaluation.length) - 1); i > actualGameStateForEvaluation.length / 2; i--) {
int[] tempGameState = new int[actualGameStateForEvaluation.length];
tempGameState = actualGameStateForEvaluation.clone();
if (isPlayer2BoardEmpty(tempGameState)) {
for (int j = 1; j < tempGameState.length / 2; j++) {
tempGameState[actualGameStateForEvaluation.length / 2] = tempGameState[actualGameStateForEvaluation.length / 2]
+ tempGameState[j];
tempGameState[j] = 0;
}
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
}
if (isPlayerBoardEmpty(tempGameState)) {
for (int j = tempGameState.length / 2 + 1; j < tempGameState.length; j++) {
tempGameState[0] = tempGameState[0] + tempGameState[j];
tempGameState[j] = 0;
}
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
}
if (tempGameState[i] > 0) {
MinmaxStateItem chilNode = tempObject.new MinmaxStateItem();
chilNode.player_Name = "A" + (tempGameState.length - i + 1);
stonesTobeMoved = tempGameState[i];
tempGameState[i] = 0;
int traverseOverGameState = i + 1;
while (stonesTobeMoved != 0) {
if (traverseOverGameState == tempGameState.length) {
traverseOverGameState = 0;
}
if (traverseOverGameState == tempGameState.length / 2) {
traverseOverGameState++;
}
if (stonesTobeMoved != 1) {
if (traverseOverGameState == tempGameState.length) {
traverseOverGameState = 0;
}
if (traverseOverGameState == tempGameState.length / 2) {
traverseOverGameState++;
}
tempGameState[traverseOverGameState]++;
traverseOverGameState++;
stonesTobeMoved--;
} else {
if (traverseOverGameState == 0) {
tempGameState[traverseOverGameState]++;
if (isPlayer2BoardEmpty(tempGameState)) {
for (int j = 1; j < tempGameState.length / 2; j++) {
tempGameState[actualGameStateForEvaluation.length / 2] = tempGameState[actualGameStateForEvaluation.length / 2]
+ tempGameState[j];
tempGameState[j] = 0;
}
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
}
if (isPlayerBoardEmpty(tempGameState)) {
for (int j = tempGameState.length / 2 + 1; j < tempGameState.length; j++) {
tempGameState[0] = tempGameState[0]
+ tempGameState[j];
tempGameState[j] = 0;
}
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
}
if (parent.evaluateMinOrMax == 1) {
chilNode.evaluateMinOrMax = 1;
} else {
chilNode.evaluateMinOrMax = 0;
}
chilNode.boradInThisState = new int[tempGameState.length];
chilNode.boradInThisState = tempGameState.clone();
chilNode.depth = depth;
if (chilNode.evaluateMinOrMax == 1) {
chilNode.minMaxValue = Integer.MIN_VALUE;
} else {
chilNode.minMaxValue = Integer.MAX_VALUE;
}
/*
* if (depth == depthOfGame) { chilNode.minMaxValue
* = tempGameState[0] -
* tempGameState[tempGameState.length / 2]; }
*/
chilNode.alpha = parent.alpha;
chilNode.beta = parent.beta;
chilNode.parent_detils = parent;
if (isPlayer2BoardEmpty(tempGameState)) {
if (depth <= depthOfGame) {
alphabetaTraverseWriter(chilNode.player_Name
+ ","
+ chilNode.depth
+ ","
+ chilNode.minMaxValue
+ ","
+ chilNode.alpha
+ ","
+ chilNode.beta);
}
chilNode.minMaxValue = differenceOfStonesInMancala;
}
stack.push(chilNode);
alphabetaTraverseWriter(chilNode.player_Name + ","
+ chilNode.depth + ","
+ chilNode.minMaxValue + ","
+ chilNode.alpha + "," + chilNode.beta);
alphabetaMinPlayer2(depth, tempGameState, chilNode);
stonesTobeMoved--;
MinmaxStateItem childNode = stack.pop();
MinmaxStateItem parentNode = stack.pop();
if (parentNode.evaluateMinOrMax == 1) {
if (childNode.minMaxValue > parentNode.minMaxValue) {
parentNode.minMaxValue = childNode.minMaxValue;
if (childNode.minMaxValue >= parentNode.beta) {
prune = true;
} else {
if (childNode.minMaxValue >= parentNode.alpha) {
parentNode.alpha = childNode.minMaxValue;
}
}
if (parentNode.depth == 1) {
if (childNode.nextBestState != null
&& childNode.depth == 1) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.nextBestState
.clone();
} else {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parent.nextBestState = childNode.boradInThisState
.clone();
}
}
if (parentNode.depth == 0
&& childNode.nextBestState != null) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.nextBestState
.clone();
}
if (parentNode.depth == 0) {
if (childNode.evaluateMinOrMax == 0) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.boradInThisState
.clone();
} else if (childNode.nextBestState == null) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.boradInThisState
.clone();
}
}
}
} else {
if (childNode.minMaxValue < parentNode.minMaxValue) {
parentNode.minMaxValue = childNode.minMaxValue;
if (childNode.minMaxValue <= parentNode.alpha) {
prune = true;
} else {
if (childNode.minMaxValue <= parentNode.beta)
parentNode.beta = childNode.minMaxValue;
}
}
}
stack.push(parentNode);
alphabetaTraverseWriter(parentNode.player_Name
+ "," + parentNode.depth + ","
+ parentNode.minMaxValue + ","
+ parentNode.alpha + "," + parentNode.beta);
if (prune == true) {
return;
}
continue;
} else if (tempGameState[traverseOverGameState] == 0
&& traverseOverGameState > (tempGameState.length / 2)) {
tempGameState[traverseOverGameState]++;
int opponentsOppIndex = tempGameState.length
- traverseOverGameState;
/* if (tempGameState[opponentsOppIndex] != 0) { */
tempGameState[0] = tempGameState[0]
+ tempGameState[opponentsOppIndex]
+ tempGameState[traverseOverGameState];
tempGameState[traverseOverGameState] = 0;
tempGameState[opponentsOppIndex] = 0;
stonesTobeMoved--;
/*
* } else { stonesTobeMoved--; }
*/
if (isPlayer2BoardEmpty(tempGameState)) {
for (int j = 1; j < tempGameState.length / 2; j++) {
tempGameState[actualGameStateForEvaluation.length / 2] = tempGameState[actualGameStateForEvaluation.length / 2]
+ tempGameState[j];
tempGameState[j] = 0;
}
}
if (isPlayerBoardEmpty(tempGameState)) {
for (int j = tempGameState.length / 2 + 1; j < tempGameState.length; j++) {
tempGameState[0] = tempGameState[0]
+ tempGameState[j];
tempGameState[j] = 0;
}
}
chilNode.boradInThisState = new int[tempGameState.length];
chilNode.boradInThisState = tempGameState.clone();
chilNode.depth = depth;
if (parent.evaluateMinOrMax == 1) {
chilNode.evaluateMinOrMax = 0;
} else {
chilNode.evaluateMinOrMax = 1;
}
if (chilNode.evaluateMinOrMax == 1) {
chilNode.minMaxValue = Integer.MIN_VALUE;
} else {
chilNode.minMaxValue = Integer.MAX_VALUE;
}
chilNode.alpha = parent.alpha;
chilNode.beta = parent.beta;
chilNode.parent_detils = parent;
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
if (isPlayer2BoardEmpty(tempGameState)) {
if (depth < depthOfGame) {
alphabetaTraverseWriter(chilNode.player_Name
+ ","
+ chilNode.depth
+ ","
+ chilNode.minMaxValue
+ ","
+ chilNode.alpha
+ ","
+ chilNode.beta);
}
chilNode.minMaxValue = differenceOfStonesInMancala;
}
if (chilNode.depth == depthOfGame) {
chilNode.minMaxValue = differenceOfStonesInMancala;
}
stack.push(chilNode);
alphabetaTraverseWriter(chilNode.player_Name + ","
+ chilNode.depth + ","
+ chilNode.minMaxValue + ","
+ chilNode.alpha + "," + chilNode.beta);
} else {
tempGameState[traverseOverGameState]++;
stonesTobeMoved--;
if (isPlayer2BoardEmpty(tempGameState)) {
for (int j = 1; j < tempGameState.length / 2; j++) {
tempGameState[actualGameStateForEvaluation.length / 2] = tempGameState[actualGameStateForEvaluation.length / 2]
+ tempGameState[j];
tempGameState[j] = 0;
}
}
if (isPlayerBoardEmpty(tempGameState)) {
for (int j = tempGameState.length / 2 + 1; j < tempGameState.length; j++) {
tempGameState[0] = tempGameState[0]
+ tempGameState[j];
tempGameState[j] = 0;
}
}
chilNode.boradInThisState = new int[tempGameState.length];
chilNode.boradInThisState = tempGameState.clone();
chilNode.depth = depth;
if (parent.evaluateMinOrMax == 1) {
chilNode.evaluateMinOrMax = 0;
} else {
chilNode.evaluateMinOrMax = 1;
}
if (chilNode.evaluateMinOrMax == 1) {
chilNode.minMaxValue = Integer.MIN_VALUE;
} else {
chilNode.minMaxValue = Integer.MAX_VALUE;
}
chilNode.alpha = parent.alpha;
chilNode.beta = parent.beta;
chilNode.parent_detils = parent;
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
if (isPlayer2BoardEmpty(tempGameState)) {
if (depth < depthOfGame) {
alphabetaTraverseWriter(chilNode.player_Name
+ ","
+ chilNode.depth
+ ","
+ chilNode.minMaxValue
+ ","
+ chilNode.alpha
+ ","
+ chilNode.beta);
}
chilNode.minMaxValue = differenceOfStonesInMancala;
}
if (chilNode.depth == depthOfGame) {
chilNode.minMaxValue = differenceOfStonesInMancala;
}
stack.push(chilNode);
alphabetaTraverseWriter(chilNode.player_Name + ","
+ chilNode.depth + ","
+ chilNode.minMaxValue + ","
+ chilNode.alpha + "," + chilNode.beta);
}
if (depth < depthOfGame) {
alphabetaMaxPlayer1(depth + 1, tempGameState,
chilNode);
MinmaxStateItem childNode = stack.pop();
MinmaxStateItem parentNode = stack.pop();
if (parentNode.evaluateMinOrMax == 1) {
if (childNode.minMaxValue > parentNode.minMaxValue) {
parentNode.minMaxValue = childNode.minMaxValue;
if (childNode.minMaxValue >= parentNode.beta) {
prune = true;
} else {
if (childNode.minMaxValue >= parentNode.alpha) {
parentNode.alpha = childNode.minMaxValue;
}
}
if (parentNode.depth == 1) {
if (childNode.nextBestState != null
&& childNode.depth == 1) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.nextBestState
.clone();
} else {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parent.nextBestState = childNode.boradInThisState
.clone();
}
}
if (parentNode.depth == 0
&& childNode.nextBestState != null) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.nextBestState
.clone();
}
if (parentNode.depth == 0) {
if (childNode.evaluateMinOrMax == 0) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.boradInThisState
.clone();
} else if (childNode.nextBestState == null) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.boradInThisState
.clone();
}
}
}
} else {
if (childNode.minMaxValue < parentNode.minMaxValue) {
parentNode.minMaxValue = childNode.minMaxValue;
if (childNode.minMaxValue <= parentNode.alpha) {
prune = true;
} else {
if (childNode.minMaxValue <= parentNode.beta)
parentNode.beta = childNode.minMaxValue;
}
}
}
stack.push(parentNode);
alphabetaTraverseWriter(parentNode.player_Name
+ "," + parentNode.depth + ","
+ parentNode.minMaxValue + ","
+ parentNode.alpha + "," + parentNode.beta);
if (prune == true) {
return;
}
} else {
MinmaxStateItem childNode = stack.pop();
MinmaxStateItem parentNode = stack.pop();
if (parentNode.evaluateMinOrMax == 1) {
if (childNode.minMaxValue > parentNode.minMaxValue) {
parentNode.minMaxValue = childNode.minMaxValue;
if (childNode.minMaxValue >= parentNode.beta) {
prune = true;
} else {
if (childNode.minMaxValue >= parentNode.alpha) {
parentNode.alpha = childNode.minMaxValue;
}
}
if (parentNode.depth == 1) {
if (childNode.nextBestState != null
&& childNode.depth == 1) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.nextBestState
.clone();
} else {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parent.nextBestState = childNode.boradInThisState
.clone();
}
}
if (parentNode.depth == 0
&& childNode.nextBestState != null) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.nextBestState
.clone();
}
if (parentNode.depth == 0) {
if (childNode.evaluateMinOrMax == 0) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.boradInThisState
.clone();
} else if (childNode.nextBestState == null) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.boradInThisState
.clone();
}
}
}
} else {
if (childNode.minMaxValue < parentNode.minMaxValue) {
parentNode.minMaxValue = childNode.minMaxValue;
if (childNode.minMaxValue <= parentNode.alpha) {
prune = true;
} else {
if (childNode.minMaxValue <= parentNode.beta)
parentNode.beta = childNode.minMaxValue;
}
}
}
stack.push(parentNode);
alphabetaTraverseWriter(parentNode.player_Name
+ "," + parentNode.depth + ","
+ parentNode.minMaxValue + ","
+ parentNode.alpha + "," + parentNode.beta);
if (prune == true) {
return;
}
}
}
}
}
}
return;
}
private static void alphabetaMaxPlayer1(int depth,
int[] actualGameStateForEvaluation, MinmaxStateItem parent) {
int stonesTobeMoved = 0;
int differenceOfStonesInMancala = 0;
boolean prune = false;
for (int i = 1; i < (actualGameStateForEvaluation.length / 2); i++) {
int[] tempGameState = new int[actualGameStateForEvaluation.length];
tempGameState = actualGameStateForEvaluation.clone();
if (isPlayerBoardEmpty(tempGameState)) {
for (int j = tempGameState.length / 2 + 1; j < tempGameState.length; j++) {
tempGameState[0] = tempGameState[0] + tempGameState[j];
tempGameState[j] = 0;
}
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
}
if (isPlayer2BoardEmpty(tempGameState)) {
for (int j = 1; j < tempGameState.length / 2; j++) {
tempGameState[actualGameStateForEvaluation.length / 2] = tempGameState[actualGameStateForEvaluation.length / 2]
+ tempGameState[j];
tempGameState[j] = 0;
}
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
}
if (tempGameState[i] > 0) {
MinmaxStateItem chilNode = tempObject.new MinmaxStateItem();
chilNode.player_Name = "B" + (i + 1);
stonesTobeMoved = tempGameState[i];
tempGameState[i] = 0;
int traverseOverGameState = i + 1;
while (stonesTobeMoved != 0) {
if (traverseOverGameState == tempGameState.length) {
traverseOverGameState = 1;
}
if (stonesTobeMoved != 1) {
if (traverseOverGameState == tempGameState.length) {
traverseOverGameState = 1;
}
tempGameState[traverseOverGameState]++;
traverseOverGameState++;
stonesTobeMoved--;
} else {
if (traverseOverGameState == (tempGameState.length / 2)) {
tempGameState[traverseOverGameState]++;
if (parent.evaluateMinOrMax == 1) {
chilNode.evaluateMinOrMax = 1;
} else {
chilNode.evaluateMinOrMax = 0;
}
if (isPlayerBoardEmpty(tempGameState)) {
for (int j = tempGameState.length / 2 + 1; j < tempGameState.length; j++) {
tempGameState[0] = tempGameState[0]
+ tempGameState[j];
tempGameState[j] = 0;
}
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
}
if (isPlayer2BoardEmpty(tempGameState)) {
for (int j = 1; j < tempGameState.length / 2; j++) {
tempGameState[actualGameStateForEvaluation.length / 2] = tempGameState[actualGameStateForEvaluation.length / 2]
+ tempGameState[j];
tempGameState[j] = 0;
}
differenceOfStonesInMancala = tempGameState[0]
- tempGameState[tempGameState.length / 2];
}
chilNode.boradInThisState = new int[tempGameState.length];
chilNode.boradInThisState = tempGameState.clone();
chilNode.depth = depth;
if (chilNode.evaluateMinOrMax == 1) {
chilNode.minMaxValue = Integer.MIN_VALUE;
} else {
chilNode.minMaxValue = Integer.MAX_VALUE;
}
/*
* if (depth == depthOfGame) { chilNode.minMaxValue
* = tempGameState[0] -
* tempGameState[tempGameState.length / 2]; }
*/
chilNode.alpha = parent.alpha;
chilNode.beta = parent.beta;
chilNode.parent_detils = parent;
if (isPlayerBoardEmpty(tempGameState)) {
if (depth <= depthOfGame) {
alphabetaTraverseWriter(chilNode.player_Name
+ ","
+ chilNode.depth
+ ","
+ chilNode.minMaxValue
+ ","
+ chilNode.alpha
+ ","
+ chilNode.beta);
}
chilNode.minMaxValue = differenceOfStonesInMancala;
}
stack.push(chilNode);
alphabetaTraverseWriter(chilNode.player_Name + ","
+ chilNode.depth + ","
+ chilNode.minMaxValue + ","
+ chilNode.alpha + "," + chilNode.beta);
alphabetaMaxPlayer1(depth, tempGameState, chilNode);
stonesTobeMoved--;
MinmaxStateItem childNode = stack.pop();
MinmaxStateItem parentNode = stack.pop();
if (parentNode.evaluateMinOrMax == 1) {
if (childNode.minMaxValue > parentNode.minMaxValue) {
parentNode.minMaxValue = childNode.minMaxValue;
if (childNode.minMaxValue >= parentNode.beta) {
prune = true;
} else {
if (childNode.minMaxValue >= parentNode.alpha) {
parentNode.alpha = childNode.minMaxValue;
}
}
if (parentNode.depth == 1) {
if (childNode.nextBestState != null
&& childNode.depth == 1) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.nextBestState
.clone();
} else {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parent.nextBestState = childNode.boradInThisState
.clone();
}
}
if (parentNode.depth == 0
&& childNode.nextBestState != null) {
parentNode.nextBestState = new int[childNode.boradInThisState.length];
parentNode.nextBestState = childNode.nextBestState