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Syawar.java~
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Syawar.java~
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package breakthrough;
import java.util.Random;
import java.lang.*;
import boardgame.Board;
import boardgame.Move;
import boardgame.Player;
public class Syawar extends Player {
Random rand = new Random();
public int maxRank=0;
/** Provide a default public constructor */
public Syawar() { super("syawar"); }
public class TreeNode {
int x,y;
TreeNode centre;
TreeNode left;
TreeNode right;
int checked;
int ranking;
}
//Find all my pieces
public int[][] Position(BTBoard board, int myColor){
int[][] pieces = new int[2*BTBoard.SIZE][2];
int next = 0;
for( int i = 0; i < BTBoard.SIZE; i++ )
for( int j = 0; j < BTBoard.SIZE; j++ )
if( board.getPieceAt(i,j) == myColor ) {
pieces[next][0]= i;
pieces[next][1]=j;
next++;
}
return pieces;
}
public int rank(BTBoard board,int myColor){
int count=0;
int[][] pieces = new int[2*BTBoard.SIZE][2];
int next = 0;
for( int i = 0; i < BTBoard.SIZE; i++ ){
for( int j = 0; j < BTBoard.SIZE; j++ ){
if( board.getPieceAt(i,j) == myColor ) {
pieces[next][0]= i;
pieces[next][1]=j;
next++;
if(i>=count && myColor == BTBoard.WHITE){
count=i;
}
if(i<=8-count && myColor == BTBoard.BLACK){
count=8-i;
}
}
}
}
return count;
}
//recursive checking of moves
public void myMoveCheck(BTBoard clone,int myColor,int ranked,int count){
if(count<3){
int[][] pieces = new int[2*BTBoard.SIZE][2];
int[][] temp = new int[2*BTBoard.SIZE][2];
for(int i=0;i< 2*BTBoard.SIZE;i++){
pieces[i][0]=-1;
pieces[i][1]=-1;
}
pieces=this.Position(clone,myColor);
for(int i=0;i<2*BTBoard.SIZE;i++){
for( int dir = -1; dir < 2; dir++ ) {
int x=pieces[i][0];
int y=pieces[i][1];
int i2 = x + (myColor == BTBoard.WHITE ? 1 : -1);
int j2 = y + dir;
BTBoard tempboard = (BTBoard) clone;
BTMove m = new BTMove(myColor, tempboard.getCoord(x,y),tempboard.getCoord(i2,j2) );
if(tempboard.isLegal( m )){
tempboard.move(m);
int ranking=ranked+rank(tempboard,myColor);
OppMoveCheck(tempboard,3-myColor,ranking,count++);
}
}
}
}
else
{
this.maxRank=ranked;
}
}
public void OppMoveCheck(BTBoard clone,int myColor,int ranked,int count){
if(count<4){
int[][] pieces = new int[2*BTBoard.SIZE][2];
int[][] temp = new int[2*BTBoard.SIZE][2];
for(int i=0;i< 2*BTBoard.SIZE;i++){
pieces[i][0]=-1;
pieces[i][1]=-1;
}
pieces=this.Position(clone,myColor);
for(int i=0;i<2*BTBoard.SIZE;i++){
for( int dir = -1; dir < 2; dir++ ) {
int x=pieces[i][0];
int y=pieces[i][1];
int i2 = x + (myColor == BTBoard.WHITE ? 1 : -1);
int j2 = y + dir;
BTBoard tempboard = (BTBoard) clone;
BTMove m = new BTMove(myColor, tempboard.getCoord(x,y),tempboard.getCoord(i2,j2) );
if(tempboard.isLegal( m )){
tempboard.move(m);
int ranking=ranked-((rank(tempboard,myColor)));
myMoveCheck(tempboard,3-myColor,ranking,count++);
}
}
}
}
}
public Move chooseMove(Board theboard) {
// Cast the arguments to the objects we want to work with
BTBoard board = (BTBoard) theboard;
BTBoard clone = (BTBoard) board;
// What color am I ?
int myColor = this.getColor();
//System.out.println(myColor);
int[][] pieces = new int[2*BTBoard.SIZE][2];
int[][] OPPpieces = new int[2*BTBoard.SIZE][2];
pieces=this.Position(board,myColor);
//OPPpieces=this.Position(board,3-myColor);
int[][] oppieces = new int[2*BTBoard.SIZE][2];
int[][] temp = new int[2*BTBoard.SIZE][2];
for(int i=0;i< 2*BTBoard.SIZE;i++){
oppieces[i][0]=-1;
oppieces[i][1]=-1;
}
int[][] playing=new int [48][4];
for(int i=0;i< 48;i++){
playing[i][0]=-1;
playing[i][1]=-1;
}
oppieces=this.Position(clone,myColor);
for(int i=0;i<2*BTBoard.SIZE;i++){
int count=0;
int max=this.maxRank;
for( int dir = -1; dir < 2; dir++ ) {
int x=oppieces[i][0];
int y=oppieces[i][1];
int i2 = x + (myColor == BTBoard.WHITE ? 1 : -1);
int j2 = y + dir;
BTBoard tempboard = (BTBoard) clone;
BTMove m = new BTMove(myColor, tempboard.getCoord(x,y),tempboard.getCoord(i2,j2) );
if(tempboard.isLegal( m )){
tempboard.move(m);
playing[i+count][0]=dir;
int ranking=rank(tempboard,myColor);
OppMoveCheck(tempboard,3-myColor,ranking,1);
if(max<this.maxRank){playing[i+count][1]=this.maxRank;}
else {playing[i+count][1]=0;}
}
count++;
}
}
int movePiece=0;
int moveDir=0;
int max=0;
double mP=0;
boolean capture=false;
int e=0,f=0,g=0,h=0;
int[][] capt=new int[48][5];
for(int i=0;i< 48;i++){
capt[i][0]=-1;
}
for( int i = 0; i < 2*BTBoard.SIZE; i++ ) {
int orig1 = oppieces[i][0];
int orig2 = oppieces[i][1];
int counter=0;
// For each possible move
for( int d = -1; d < 2; d++ ) {
int dest1 = orig1+(myColor == BTBoard.WHITE ? 1 : -1);
int dest2 = orig2+d;
// If it can capture
BTMove moveC = new BTMove( myColor,board.getCoord(orig1,orig2),board.getCoord(dest1,dest2) );
if( board.isLegal( moveC ) &&
board.getPieceAt( board.getCoord(dest1,dest2))!=0 )
{
capture=true;
capt[i+counter][0]=orig1;
capt[i+counter][1]=orig2;
capt[i+counter][2]=dest1;
capt[i+counter][3]=dest2;
capt[i+counter][4]=i;
}
}
}
if(capture==false){
for(int j=0;j<48;j++){
if(playing[j][1]!=-1 && playing[j][1]>=max ){
max=playing[j][1];
moveDir=playing[j][0];
mP=Math.floor(j/3);
movePiece=(int) mP;
}
}
for(int j=0;j<48;j++){
System.out.print(playing[j][1]+"\t"+playing[j][1]);
}
int a,b,c,d;
a=oppieces[movePiece][0];
b=oppieces[movePiece][1];
c=a + (myColor == BTBoard.WHITE ? 1 : -1);
d=b+moveDir;
BTMove moving = new BTMove( myColor,board.getCoord(a,b),board.getCoord(c,d) );
return moving;
}
else
{ int min=0;
if(myColor==BTBoard.WHITE){
min=8;
for(int i=0;i<48;i++){
if(capt[i][2]<min){
min=capt[i][2];
e=capt[i][0];
f=capt[i][1];
g=capt[i][2];
h=capt[i][3];
}
}
}
else
{
min=0;
for(int i=0;i<48;i++){
if(capt[i][2]>min){
min=capt[i][2];
e=capt[i][0];
f=capt[i][1];
g=capt[i][2];
h=capt[i][3];
}
}
}
BTMove moving = new BTMove( myColor,board.getCoord(e,f),board.getCoord(g,h) );
return moving;
}
}
}