Files
gomoku/src/GomokuBoard.java
2025-03-31 14:33:04 +02:00

286 lines
9.1 KiB
Java

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class GomokuBoard{
/** The firstcell in the board, at the top left of the board. */
private GomokuCell firstCell;
/** The width of the GomokuBoard.*/
private int boardWidth;
/** The height of the GomokuBoard.*/
private int boardHeight;
public static void main(String[] args) {
Color[][] colors = {{Color.BLACK,Color.BLACK,Color.BLACK},
{Color.BLACK,Color.BLACK,Color.BLACK},
{Color.WHITE,Color.WHITE,Color.WHITE}};
GomokuBoard test = new GomokuBoard(3,3, colors);
test.get(1,1).setState(Color.BLACK);
System.out.println(test);
System.out.println(test.getPlayableCells());
}
//------------------Constructors--------------------------
/**
* This constructor take the width and the height to creat a board of gomoku.
* @param width Size of width.
* @param height Size of height.
*/
public GomokuBoard(int width, int height){
this(width, height, null);
}
/**
* This constructor take the width and the height to creat a board of gomoku.
* @param width Size of width.
* @param height Size of height.
* @param colors Is colors of cells after load a game.
*/
public GomokuBoard(int width, int height, Color[][] colors){
this.firstCell = new GomokuCell(Color.NIL);
this.boardWidth = width;
this.boardHeight = height;
this.genCells(width, height, colors);
}
/**
* This method gen all cells in the board and link each other.
* @param width Size of width.
* @param height Size of height.
* @param colors Array of Color.
*/
private void genCells(int width, int height, Color[][] colors){
this.firstCell = new GomokuCell(colors == null ? Color.NIL : colors[0][0]);
GomokuCell act = this.firstCell;
GomokuCell top = null;
for (int i = 0; i < height; i++){
GomokuCell nextLine = null;
if (i != height-1){
nextLine = new GomokuCell(colors == null ? Color.NIL: colors[i+1][0]);
GomokuCell.link(act, nextLine, Cardinal.S);
}
for (int j = 0; j < width; j++) {
if (top != null) {
GomokuCell.link(act, top.getNeighbour(Cardinal.W), Cardinal.NW);
GomokuCell.link(act, top, Cardinal.N);
top = top.getNeighbour(Cardinal.E);
GomokuCell.link(act, top , Cardinal.NE);
}
if (j != width -1 ){
GomokuCell right = new GomokuCell(colors == null ? Color.NIL : colors[i][j+1] );
GomokuCell.link(act, right, Cardinal.E);
act = right;
}
}
act = nextLine;
if (act == null) break;
top = act.getNeighbour(Cardinal.N);
}
}
//------------------Gets--------------------------
/**
* This method get a cell in specific position in the board.
* @param x The position x on the board.
* @param y The position y on the board.
* @return GomokuCell in the position.
*/
public GomokuCell get(int x, int y){
int i = 0, j = 0;
GomokuCell act = this.firstCell;
// System.out.println("x: "+x+" y: "+y);
while (i != x || j != y){
// System.out.println("i: "+i+" j: "+j);
Cardinal c = Cardinal.SE;
if (i < x) i++;
else c = Cardinal.E;
if (j < y) j++;
else c = Cardinal.S;
act = act.getNeighbour(c);
}
return act;
}
/**
* This method return all cells in the board in the order.
* @return All cells with a array 2D.
*/
private GomokuCell[][] getAllsCells(){
GomokuCell[][] cells = new GomokuCell[this.boardHeight][this.boardWidth];
GomokuCell act = this.firstCell;
GomokuCell nextLine = this.firstCell.getNeighbour(Cardinal.S);
for (int i = 0; i < this.boardHeight; i++) {
for (int j = 0; j < this.boardWidth; j++) {
cells[i][j] = act;
act = act.getNeighbour(Cardinal.E);
}
act = nextLine;
if (act != null){
nextLine = act.getNeighbour(Cardinal.S);
}
}
return cells;
}
/**
* This method return a list of playable cell.
* @return List of GomokuCell wich all is playable.
*/
public List<GomokuCell> getPlayableCells(){
List<GomokuCell> output = new ArrayList<>();
for (GomokuCell[] line : this.getAllsCells()) {
for (GomokuCell c : line) {
if (c.isPlayable())
output.add(c);
}
}
return output;
}
//------------------Methods--------------------------
/**
* This method return a Map of number aligned cells.
* @param cell A cell.
* @return Map of number aligned cells.
*/
public Map<Cardinal, Integer> countAlignedCells(GomokuCell cell){
Map<Cardinal, Integer> map = new HashMap<>();
Map<Cardinal, Integer> mapColor = cell.getSameColorNeighbour();
map.put(Cardinal.N, mapColor.get(Cardinal.N)+mapColor.get(Cardinal.S)+1);
map.put(Cardinal.W,mapColor.get(Cardinal.W)+mapColor.get(Cardinal.E)+1);
map.put(Cardinal.NW, mapColor.get(Cardinal.NW)+mapColor.get(Cardinal.SE)+1);
map.put(Cardinal.SW, mapColor.get(Cardinal.SW)+mapColor.get(Cardinal.NE)+1);
return map;
}
/**
* This method return the number max of the aligned Cells.
* @param mapColor A map of number aligned cells.
* @return int, the number max of the aligned Cells.
*/
public int countMax(Map<Cardinal, Integer> mapColor){
Map<Cardinal, Integer> map = new HashMap<>();
int max = 0;
for (Map.Entry<Cardinal, Integer> entry : map.entrySet()) {
if(entry.getValue() > max){
max = entry.getValue();
}
}
return max;
}
public void expandBoard(Cardinal direction){
switch (direction) {
case Cardinal.SE:
this.expandBoard(Cardinal.S);
this.expandBoard(Cardinal.E);
return;
case Cardinal.NE:
this.expandBoard(Cardinal.N);
this.expandBoard(Cardinal.E);
return;
case Cardinal.SW:
this.expandBoard(Cardinal.S);
this.expandBoard(Cardinal.W);
return;
case Cardinal.NW:
this.expandBoard(Cardinal.N);
this.expandBoard(Cardinal.W);
return;
default:
break;
}
List<Cardinal> cardinals = Arrays.asList(Cardinal.values());
Cardinal topDirection = cardinals.get((cardinals.indexOf(direction) + 4)%8);
Cardinal topMinus = cardinals.get((cardinals.indexOf(topDirection) + 2)%8);
Cardinal topPlus = cardinals.get((cardinals.indexOf(topDirection) - 2)%8);
GomokuCell act = new GomokuCell(Color.NIL);
int maxLen = 0;
GomokuCell top = null;
GomokuCell newOrigin = null;
switch (direction) {
case Cardinal.N:
top = this.get(0, 0);
maxLen = this.boardWidth;
newOrigin = act;
break;
case Cardinal.W:
top = this.get(0,0);
maxLen = this.boardHeight;
newOrigin = act;
break;
case Cardinal.S:
top = this.get(this.boardHeight-1, 0);
maxLen = this.boardWidth;
newOrigin = this.get(0, 0);
break;
case Cardinal.E:
top = this.get(0, this.boardWidth-1);
maxLen = this.boardHeight;
newOrigin = this.get(0, 0);
break;
default:
throw new IllegalStateException("Why are you here ?");
}
for (int i = 0; i < maxLen; i++) {
if (top != null) {
GomokuCell.link(act, top.getNeighbour(Cardinal.W), Cardinal.NW);
GomokuCell.link(act, top, Cardinal.N);
top = top.getNeighbour(Cardinal.E);
GomokuCell.link(act, top , Cardinal.NE);
}
}
}
//------------------Overides--------------------------
/**
* This method print the board cell by cell with change line when
* the line is finished.
*/
@Override
public String toString() {
StringBuilder out = new StringBuilder();
GomokuCell[][] cells = this.getAllsCells();
for (GomokuCell[] line : cells) {
for (GomokuCell c : line) {
out.append(c.toString());
}
out.append("\n");
}
return out.toString();
}
}