AI basique fonctionnel :)

.idea/workspace.xml

@@ -4,13 +4,24 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="41395b4b-3252-492c-a869-5f4dab107186" name="Changes" comment="MiniMax">
+    <list default="true" id="41395b4b-3252-492c-a869-5f4dab107186" name="Changes" comment="Movement logic">
-      <change afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/Pushed.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/Main.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/Pusher.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/Client.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/Client.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/GameTree.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/GameTree.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/MiniMax.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/MiniMax.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/Pawn.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/Pawn.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/Player.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/Player.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/Pushed.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/Pushed.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/Pusher.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/Pusher.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/PusherBoard.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/PusherBoard.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/Test.java" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/TestPusherBoard.java" beforeDir="false" />
+    </list>
+    <list id="98b8a79f-2f53-42bf-96da-7af322697a0d" name="Changes by acastonguay" comment="">
+      <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/GameTree.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/GameTree.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/laboratoire4/MiniMax.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/laboratoire4/MiniMax.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -31,6 +42,34 @@
       </map>
     </option>
   </component>
+  <component name="LineStatusTrackerManager">
+    <file path="$PROJECT_DIR$/src/main/java/laboratoire4/MiniMax.java">
+      <ranges>
+        <range start1="2" end1="2" start2="2" end2="6" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="4" end1="4" start2="8" end2="9" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="5" end1="7" start2="10" end2="12" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="9" end1="13" start2="14" end2="19" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="14" end1="18" start2="20" end2="21" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="19" end1="21" start2="22" end2="25" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="22" end1="28" start2="26" end2="39" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="29" end1="31" start2="40" end2="50" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="32" end1="34" start2="51" end2="53" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="35" end1="39" start2="54" end2="56" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="42" end1="43" start2="59" end2="62" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="45" end1="46" start2="64" end2="67" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="47" end1="48" start2="68" end2="69" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+        <range start1="49" end1="49" start2="70" end2="125" changelist="98b8a79f-2f53-42bf-96da-7af322697a0d" />
+      </ranges>
+    </file>
+    <file path="$PROJECT_DIR$/src/main/java/laboratoire4/GameTree.java">
+      <ranges>
+        <range start1="17" end1="17" start2="17" end2="19" changelist="98b8a79f-2f53-42bf-96da-7af322697a0d" />
+        <range start1="18" end1="19" start2="20" end2="21" changelist="98b8a79f-2f53-42bf-96da-7af322697a0d" />
+        <range start1="20" end1="20" start2="22" end2="24" changelist="98b8a79f-2f53-42bf-96da-7af322697a0d" />
+        <range start1="25" end1="25" start2="29" end2="37" changelist="41395b4b-3252-492c-a869-5f4dab107186" />
+      </ranges>
+    </file>
+  </component>
   <component name="MacroExpansionManager">
     <option name="directoryName" value="x0367gi2" />
   </component>
@@ -52,20 +91,21 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
+  <component name="PropertiesComponent"><![CDATA[{
-  &quot;keyToString&quot;: {
+  "keyToString": {
-    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    "RunOnceActivity.OpenProjectViewOnStart": "true",
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    "RunOnceActivity.ShowReadmeOnStart": "true",
-    &quot;SHARE_PROJECT_CONFIGURATION_FILES&quot;: &quot;true&quot;,
+    "SHARE_PROJECT_CONFIGURATION_FILES": "true",
-    &quot;last_opened_file_path&quot;: &quot;/home/william/Dev/Projects&quot;,
+    "codeWithMe.voiceChat.enabledByDefault": "false",
-    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    "last_opened_file_path": "/home/william/Dev/Projects",
-    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
+    "node.js.detected.package.eslint": "true",
-    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    "node.js.detected.package.tslint": "true",
-    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    "node.js.selected.package.eslint": "(autodetect)",
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+    "node.js.selected.package.tslint": "(autodetect)",
+    "vue.rearranger.settings.migration": "true"
   }
-}</component>
+}]]></component>
-  <component name="RunManager">
+  <component name="RunManager" selected="Application.Main">
     <configuration name="Client" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
       <option name="MAIN_CLASS_NAME" value="laboratoire4.Client" />
       <module name="Lab4" />
@@ -79,8 +119,36 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
+    <configuration name="Main" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="laboratoire4.Main" />
+      <module name="Lab4" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="laboratoire4.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="Test" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="laboratoire4.Test" />
+      <module name="Lab4" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="laboratoire4.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
     <recent_temporary>
       <list>
+        <item itemvalue="Application.Main" />
+        <item itemvalue="Application.Test" />
         <item itemvalue="Application.Client" />
       </list>
     </recent_temporary>
@@ -96,7 +164,9 @@
       <workItem from="1679255649975" duration="1223000" />
       <workItem from="1679261446095" duration="1927000" />
       <workItem from="1679281763874" duration="46000" />
-      <workItem from="1679344371350" duration="3857000" />
+      <workItem from="1679344371350" duration="4138000" />
+      <workItem from="1679365557789" duration="21000" />
+      <workItem from="1679424430928" duration="11764000" />
     </task>
     <task id="LOCAL-00001" summary="MiniMax">
       <created>1679263366439</created>
@@ -105,7 +175,14 @@
       <option name="project" value="LOCAL" />
       <updated>1679263366439</updated>
     </task>
-    <option name="localTasksCounter" value="2" />
+    <task id="LOCAL-00002" summary="Movement logic">
+      <created>1679348475071</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1679348475071</updated>
+    </task>
+    <option name="localTasksCounter" value="3" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -113,6 +190,7 @@
   </component>
   <component name="VcsManagerConfiguration">
     <MESSAGE value="MiniMax" />
-    <option name="LAST_COMMIT_MESSAGE" value="MiniMax" />
+    <MESSAGE value="Movement logic" />
+    <option name="LAST_COMMIT_MESSAGE" value="Movement logic" />
   </component>
 </project>

pom.xml

@@ -9,8 +9,8 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <maven.compiler.source>18</maven.compiler.source>
+        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>18</maven.compiler.target>
+        <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 

src/main/java/laboratoire4/Client.java

@@ -1,124 +1,97 @@
 package laboratoire4;
 
-import java.io.*;
+import java.io.BufferedInputStream;
-import java.net.*;
+import java.io.BufferedOutputStream;
+import java.io.IOException;
+import java.net.Socket;
 
-class Client {
+public class Client {
-    public static void main(String[] args) {
+    private final Socket socket;
+    private final BufferedInputStream input;
+    private final BufferedOutputStream output;
+    private PusherBoard board;
 
-        Socket MyClient;
+    public Client(String host, int port) throws IOException {
-        BufferedInputStream input;
+        socket = new Socket(host, port);
-        BufferedOutputStream output;
+        input = new BufferedInputStream(socket.getInputStream());
-        int[][] board = new int[8][8];
+        output = new BufferedOutputStream(socket.getOutputStream());
+    }
 
+    public void listen() {
         try {
-            MyClient = new Socket("localhost", 8888);
+            while (true) {
+                char cmd;
+                cmd = (char) input.read();
 
-            input    = new BufferedInputStream(MyClient.getInputStream());
+                if (board == null) {
-            output   = new BufferedOutputStream(MyClient.getOutputStream());
+                    boolean play = initializeBoard(cmd);
-            BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
+                    if (play) {
-            while(1 == 1){
+                        play();
-                char cmd = 0;
+                    }
+                }
+
+                if (cmd == '3') {
+                    play();
+                }
+
+                if (cmd == '4') {
+                    handleInvalidMove();
+                }
+
+                if (cmd == '5') {
+                    stopGame();
+                    break;
+                }
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private boolean initializeBoard(char cmd) throws IOException {
+        Player player = cmd == '1' ? Player.RED : Player.BLACK;
 
-                cmd = (char)input.read();
-                System.out.println(cmd);
-                // Debut de la partie en joueur blanc
-                if(cmd == '1'){
         byte[] aBuffer = new byte[1024];
-
         int size = input.available();
-                    //System.out.println("size " + size);
+
-                    input.read(aBuffer,0,size);
+        input.read(aBuffer, 0, size);
         String s = new String(aBuffer).trim();
-                    System.out.println(s);
+        String[] boardValues = s.split(" ");
-                    String[] boardValues;
+
-                    boardValues = s.split(" ");
+        board = new PusherBoard(player, boardValues);
-                    int x=0,y=0;
+
-                    for(int i=0; i<boardValues.length;i++){
+        return player == Player.RED;
-                        board[x][y] = Integer.parseInt(boardValues[i]);
-                        x++;
-                        if(x == 8){
-                            x = 0;
-                            y++;
-                        }
     }
 
-                    System.out.println("Nouvelle partie! Vous jouer blanc, entrez votre premier coup : ");
+    private void play() throws IOException {
-                    String move = null;
-                    move = console.readLine();
-                    output.write(move.getBytes(),0,move.length());
-                    output.flush();
-                }
-                // Debut de la partie en joueur Noir
-                if(cmd == '2'){
-                    System.out.println("Nouvelle partie! Vous jouer noir, attendez le coup des blancs");
-                    byte[] aBuffer = new byte[1024];
-
-                    int size = input.available();
-                    //System.out.println("size " + size);
-                    input.read(aBuffer,0,size);
-                    String s = new String(aBuffer).trim();
-                    System.out.println(s);
-                    String[] boardValues;
-                    boardValues = s.split(" ");
-                    int x=0,y=0;
-                    for(int i=0; i<boardValues.length;i++){
-                        board[x][y] = Integer.parseInt(boardValues[i]);
-                        x++;
-                        if(x == 8){
-                            x = 0;
-                            y++;
-                        }
-                    }
-                }
-
-
-                // Le serveur demande le prochain coup
-                // Le message contient aussi le dernier coup joue.
-                if(cmd == '3'){
-                    byte[] aBuffer = new byte[16];
-
-                    int size = input.available();
-                    System.out.println("size :" + size);
-                    input.read(aBuffer,0,size);
-
-                    String s = new String(aBuffer);
-                    System.out.println("Dernier coup :"+ s);
-                    System.out.println("Entrez votre coup : ");
-                    String move = null;
-                    move = console.readLine();
-                    output.write(move.getBytes(),0,move.length());
-                    output.flush();
-
-                }
-                // Le dernier coup est invalide
-                if(cmd == '4'){
-                    System.out.println("Coup invalide, entrez un nouveau coup : ");
-                    String move = null;
-                    move = console.readLine();
-                    output.write(move.getBytes(),0,move.length());
-                    output.flush();
-
-                }
-                // La partie est terminée
-                if(cmd == '5'){
         byte[] aBuffer = new byte[16];
         int size = input.available();
-                    input.read(aBuffer,0,size);
+        if (size > 0) {
-                    String s = new String(aBuffer);
+            input.read(aBuffer, 0, size);
-                    System.out.println("Partie Terminé. Le dernier coup joué est: "+s);
+            String previousMove = new String(aBuffer);
-                    String move = null;
+            System.out.println("Mouvement reçu: " + previousMove);
-                    move = console.readLine();
+
-                    output.write(move.getBytes(),0,move.length());
+            board.move(previousMove);
+        }
+
+        String nextMove = board.runNextMove();
+        System.out.println("Prochain mouvement: " + nextMove);
+
+        output.write(nextMove.getBytes(), 0, nextMove.length());
         output.flush();
-
-                }
-            }
-        }
-        catch (IOException e) {
-            System.out.println(e);
     }
 
+    private void handleInvalidMove() throws InterruptedException {
+        System.err.println("Mouvement invalide!");
+        Thread.sleep(500);
+        board.printBoard();
+    }
+
+    private void stopGame() throws IOException {
+        System.out.println("GG well played!");
+        socket.close();
     }
 }
 

src/main/java/laboratoire4/GameTree.java

@@ -23,6 +23,14 @@ public class GameTree {
         public Collection<Node> getChilds() {
             return childs;
         }
+
+        public Pawn getPawn() {
+            return pawn;
+        }
+
+        public Pawn.PawnMovement getMovement() {
+            return movement;
+        }
     }
 
 }

src/main/java/laboratoire4/Main.java

@@ -0,0 +1,9 @@
+package laboratoire4;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        new Client("localhost", 8888).listen();
+    }
+}

src/main/java/laboratoire4/MiniMax.java

@@ -1,50 +1,71 @@
 package laboratoire4;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
 public class MiniMax {
     private static final int MAX_DEPTH = 4;
+    private static Random random = new Random();
 
-    public static int miniMax(GameTree tree) {
+    public static MiniMaxResult miniMax(PusherBoard board) {
-        return miniMax(tree.getRoot(), Player.MAX, 0);
+        return miniMax(board, true, 0, Integer.MIN_VALUE);
     }
 
-    private static int miniMax(GameTree.Node node, Player player, int depth) {
+    private static MiniMaxResult miniMax(PusherBoard board, boolean max, int depth, int alphaBeta) {
-        if (depth == MAX_DEPTH) {
+        int limScore = max ? Integer.MIN_VALUE : Integer.MAX_VALUE;
-            return evaluate(node);
+        List<Pawn> pawns = max ?
+                board.getMaxPawns() :
+                board.getMinPawns();
+
+        List<MiniMaxResult> results = new ArrayList<>();
+
+        for (Pawn pawn : pawns) {
+            int originalRow = pawn.getRow();
+            int originalCol = pawn.getCol();
+
+            for (Pawn.PawnMovement movement : Pawn.PawnMovement.values()) {
+                if (pawn.isMoveValid(board, movement)) {
+                    pawn.move(movement);
+
+                    int score = depth < MAX_DEPTH ?
+                            miniMax(board, !max, depth + 1, limScore).getScore() :
+                            evaluate(pawn, board);
+                    score *= pawn.getDirection();
+
+                    if ((max && score > limScore) ||
+                            (!max && score < limScore)) {
+                        limScore = score;
                     }
 
-        return player == Player.MAX ?
+                    MiniMaxResult result = new MiniMaxResult(limScore, pawn, movement);
-                max(node, depth) :
+
-                min(node, depth);
+                    //elagage alphaBeta
+                    if ((max && limScore >= alphaBeta) ||
+                            (!max && limScore <= alphaBeta)) {
+                        pawn.setRow(originalRow);
+                        pawn.setCol(originalCol);
+
+                        return result;
                     }
 
-    private static int max(GameTree.Node node, int depth) {
+                    results.add(result);
-        int maxScore = Integer.MIN_VALUE;
+                }
 
-        for (GameTree.Node child : node.getChilds()) {
+                pawn.setRow(originalRow);
-            int score = miniMax(child, Player.MIN, depth + 1);
+                pawn.setCol(originalCol);
-            if (score > maxScore) {
-                maxScore = score;
             }
         }
 
-        return maxScore;
+        // Choisir aléatoirement
+        int index = random.nextInt(results.size());
+        return results.get(index);
     }
 
-    private static int min(GameTree.Node node, int depth) {
+    private static int evaluate(Pawn pawn, PusherBoard board) {
-        int minScore = Integer.MAX_VALUE;
+        int score = didWin(pawn);
+        score = Math.max(score, didCapture(pawn, board));
 
-        for (GameTree.Node child : node.getChilds()) {
+        return score;
-            int score = miniMax(child, Player.MIN, depth + 1);
-            if (score < minScore) {
-                minScore = score;
-            }
-        }
-
-        return minScore;
-    }
-
-    private static int evaluate(GameTree.Node node) {
-
-        return 0;
     }
 }

src/main/java/laboratoire4/Pawn.java

@@ -1,18 +1,30 @@
 package laboratoire4;
 
 public abstract class Pawn {
-    protected final PawnColor color;
+    protected final Player player;
-    protected int col;
     protected int row;
+    protected int col;
+    protected int direction;
 
-    public Pawn(PawnColor color, int col, int row) {
+    public Pawn(Player player, int row, int col) {
-        this.color = color;
+        this.player = player;
-        this.col = col;
         this.row = row;
+        this.col = col;
+        this.direction = player == Player.RED ? 1 : -1;
     }
 
-    public PawnColor getColor() {
+    public void move(PawnMovement movement) {
-        return color;
+        setRow(row + direction);
+        setCol(col + movement.move);
+    }
+
+    public String getPosition() {
+        char colStr = (char)(col + 65);
+        return String.format("%s%d", colStr, row + 1);
+    }
+
+    public Player getPlayer() {
+        return player;
     }
 
     public int getCol() {
@@ -31,13 +43,28 @@ public abstract class Pawn {
         this.row = row;
     }
 
-    public abstract boolean isMoveValid(PusherBoard board, PawnMovement movement);
+    public int getDirection() {
-
+        return direction;
-    enum PawnColor {
-        RED,
-        BLACK
     }
 
+    public boolean isMoveValid(PusherBoard game, PawnMovement movement) {
+        Pawn[][] board = game.getBoard();
+
+        int nextRow = row + getDirection();
+        if (nextRow < 0 || nextRow >= board.length) {
+            return false;
+        }
+
+        int nextCol = col + movement.move;
+        if (nextCol < 0 || nextCol >= board.length) {
+            return false;
+        }
+
+        return isMoveValid(board, movement);
+    }
+
+    protected abstract boolean isMoveValid(Pawn[][] board, PawnMovement movement);
+
     enum PawnMovement {
         STRAIGHT(0),
         LEFT_DIAGONAL(-1),
@@ -52,5 +79,15 @@ public abstract class Pawn {
         public int getMove() {
             return move;
         }
+
+        public static PawnMovement from(int move) {
+            if (move == 0) {
+                return STRAIGHT;
+            }
+            if (move == 1) {
+                return RIGHT_DIAGONAL;
+            }
+            return LEFT_DIAGONAL;
+        }
     }
 }

src/main/java/laboratoire4/Player.java

@@ -1,6 +1,6 @@
 package laboratoire4;
 
 public enum Player {
-    MIN,
+    BLACK,
-    MAX
+    RED
 }

src/main/java/laboratoire4/Pushed.java

@@ -1,26 +1,34 @@
 package laboratoire4;
 
 public class Pushed extends Pawn {
-    public Pushed(PawnColor color, int col, int row) {
+    public Pushed(Player player, int row, int col) {
-        super(color, col, row);
+        super(player, row, col);
     }
 
     @Override
-    public boolean isMoveValid(PusherBoard game, PawnMovement movement) {
+    public boolean isMoveValid(Pawn[][] board, PawnMovement movement) {
-        Pawn[][] board = game.getBoard();
         Pawn pusher = null;
-        Pawn to = board[row + 1][col + movement.getMove()];
+        Pawn to = board[row + direction][col + movement.getMove()];
 
         if (col > 0 && movement == PawnMovement.RIGHT_DIAGONAL) {
-            pusher = board[row - 1][col - 1];
+            pusher = board[row - direction][col - 1];
         } else if (col < board.length - 1 && movement == PawnMovement.LEFT_DIAGONAL) {
-            pusher = board[row - 1][col + 1];
+            pusher = board[row - direction][col + 1];
         } else if (movement == PawnMovement.STRAIGHT) {
-            pusher = board[row - 1][col];
+            pusher = board[row - direction][col];
         }
 
-        boolean pusherValid = pusher != null;
+        boolean pusherValid = pusher instanceof Pusher;
-        boolean destinationValid = to == null || to.color != this.color;
+        boolean destinationValid = to == null || to.player != this.player;
         return pusherValid && destinationValid;
     }
+
+    @Override
+    public String toString() {
+        return "Pushed{" +
+                player +
+                ", " + col +
+                ", " + row +
+                "} ";
+    }
 }

src/main/java/laboratoire4/Pusher.java

@@ -1,14 +1,27 @@
 package laboratoire4;
 
 public class Pusher extends Pawn {
-    public Pusher(PawnColor color, int col, int row) {
+    public Pusher(Player player, int row, int col) {
-        super(color, col, row);
+        super(player, row, col);
     }
 
     @Override
-    public boolean isMoveValid(PusherBoard game, PawnMovement movement) {
+    public boolean isMoveValid(Pawn[][] board, PawnMovement movement) {
-        Pawn to = game.getBoard()[row + 1][col + movement.getMove()];
+        Pawn to = board[row + direction][col + movement.getMove()];
 
-        return to == null || to.color != this.color;
+        if (to == null) {
+            return true;
+        }
+
+        return to.player != this.player && movement != PawnMovement.STRAIGHT;
+    }
+
+    @Override
+    public String toString() {
+        return "Pusher{" +
+                player +
+                ", " + col +
+                ", " + row +
+                "} ";
     }
 }

src/main/java/laboratoire4/PusherBoard.java

@@ -1,123 +1,130 @@
 package laboratoire4;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class PusherBoard {
+    private final Player player;
     private Pawn[][] board;
 
-    public PusherBoard() {
+    private final List<Pawn> maxPawns = new ArrayList<>();
-        this.newGame();
+    private final List<Pawn> minPawns = new ArrayList<>();
+
+    public PusherBoard(Player player, String[] boardValues) {
+        this.player = player;
+
+        newGame(boardValues);
     }
 
-    public void newGame() {
+    public void newGame(String[] boardValues) {
         this.board = new Pawn[8][8];
 
-        // TODO: Construire depuis le serveur
+        int col = 0, row = 0;
-        for (int i = 0; i < board.length; i++) {
+        for (String boardValue : boardValues) {
-            for (int j = 0; j < board.length; j++) {
+            int v = Integer.parseInt(boardValue);
-                Pawn pawn = null;
+            if (v != 0) {
-                Pawn.PawnColor color = i < board.length / 2 ?
+                Player pawnPlayer = (v == 1 || v == 2) ? Player.RED : Player.BLACK;
-                        Pawn.PawnColor.RED :
+                Pawn pawn;
-                        Pawn.PawnColor.BLACK;
+                if (v % 2 == 0) {    // 2 et 4 sont les pushers
-
+                    pawn = new Pusher(pawnPlayer, row, col);
-                if (i == 0 || i == board.length - 1) {
+                } else {
-                    pawn = new Pusher(color, i, j);
+                    pawn = new Pushed(pawnPlayer, row, col);
-                } else if (i == 1 || i == board.length - 2) {
-                    pawn = new Pushed(color, i, j);
                 }
 
-                board[i][j] = pawn;
+                if (pawnPlayer == player) {
+                    maxPawns.add(pawn);
+                } else {
+                    minPawns.add(pawn);
+                }
+
+                board[row][col] = pawn;
+            }
+
+            col++;
+            if (col == board.length) {
+                col = 0;
+                row++;
             }
         }
     }
 
-    public int move(String move) {
+    public String runNextMove() {
+        MiniMax.MiniMaxResult result = MiniMax.miniMax(this);
+        Pawn pawn = result.getPawn();
+        String initialPosition = pawn.getPosition();
+
+        move(pawn, result.getMovement());
+
+        return initialPosition + "-" + pawn.getPosition();
+    }
+
+    public void move(String move) {
         //FORMAT ex : D2-D3
-        String[] split = move.split("-");
+        String[] split = move.trim().split(" - ");
-
+        move(split[0], split[1]);
-        return move(split[0], split[1]);
     }
 
-    public int move(String from, String to) {
+    private void move(Pawn pawn, Pawn.PawnMovement movement) {
+        move(pawn.getCol(), pawn.getRow(), pawn.getCol() + movement.getMove(), pawn.getRow() + pawn.getDirection());
+    }
+
+    public void move(String from, String to) {
         //FORMAT ex : from {D2}, to {D3}
         int from_col = (int) from.charAt(0) - 65;
         int from_row = Integer.parseInt(String.valueOf(from.charAt(1))) - 1;
         int to_col = (int) to.charAt(0) - 65;
         int to_row = Integer.parseInt(String.valueOf(to.charAt(1))) - 1;
 
-        return move(from_col, from_row, to_col, to_row);
+        move(from_col, from_row, to_col, to_row);
     }
 
-    public int move(int from_col, int from_row, int to_col, int to_row) {
+    public void move(int from_col, int from_row, int to_col, int to_row) {
-        //FORMAT ex : from_col {3}, from_row {2}, to_col {3}, to_row {3}
+        if (!isValid(from_col, from_row, to_col)) {
-
+            return;
-        //System.out.println("Move :" + from_col+""+from_row + "-"+ to_col+""+to_row);
-        //System.out.println("Move is valid : " + isValid(from_col,from_row,to_col,to_row));
-
-        if (isValid(from_col, from_row, to_col, to_row)) {
-            Pawn pawn = this.getBoard()[from_row][from_col];
-            //System.out.println("Pawn to move : " + pawn);
-            this.getBoard()[from_row][from_col] = null;
-            this.getBoard()[to_row][to_col] = pawn;
         }
 
-        return -1;
+        Pawn pawn = board[from_row][from_col];
+        Pawn destPawn = board[to_row][to_col];
+
+        if (destPawn != null) {
+            if (destPawn.getPlayer() == Player.RED) {
+                maxPawns.remove(destPawn);
+            } else {
+                minPawns.remove(destPawn);
+            }
+        }
+
+        board[from_row][from_col] = null;
+        board[to_row][to_col] = pawn;
+
+        pawn.setRow(to_row);
+        pawn.setCol(to_col);
     }
 
 
-    private boolean isValid(int from_col, int from_row, int to_col, int to_row) {
+    private boolean isValid(int from_col, int from_row, int to_col) {
-        Pawn[][] board = this.getBoard();
+        Pawn pawn = getBoard()[from_row][from_col];
+        Pawn.PawnMovement move = Pawn.PawnMovement.from(to_col - from_col);
 
-        //out of bound?
+        if (pawn == null) {
-        if ((from_col > 7 || from_col < 0) || ((from_row > 7 || from_row < 0)) || ((to_col > 7 || to_col < 0)) || ((to_row > 7 || to_row < 0)))
             return false;
-
-        //no pawn to move?
-        Pawn pawnToMove = board[from_row][from_col];
-        if (pawnToMove == null) return false;
-
-        //Pawn at destination is our own pawn?
-        Pawn destination = board[to_row][to_col];
-        char source_color = pawnToMove.name().charAt(0);
-        if (destination != null) {
-            char destination_color = destination.name().charAt(0);
-
-            if (source_color == destination_color) return false;
         }
 
-        //Pawn goes back? or move is in valid range?
+        return pawn.isMoveValid(this, move);
-        if (source_color == 'R') {
-            if (from_row > to_row) return false;
-            if (from_row + 1 != to_row) return false;
-        } else if (source_color == 'B') {
-            if (from_row < to_row) return false;
-            if (from_row - 1 != to_row) return false;
-        }
-
-        //PUSHED is in front a PUSHER?
-        if (pawnToMove.equals(Pawn.B_PUSHED)) {
-            if (from_col + 1 == to_col) {
-                return board[from_row + 1][from_col + 1] == Pawn.B_PUSHER;
-            } else if (from_col - 1 == to_col) {
-                return board[from_row - 1][from_col + 1] == Pawn.B_PUSHER;
-            } else if (from_col == to_col) {
-                return board[from_row + 1][from_col] == Pawn.B_PUSHER;
-            }
-        } else if (pawnToMove.equals(Pawn.R_PUSHED)) {
-            if (from_col + 1 == to_col) {
-                return board[from_row + 1][from_col - 1] == Pawn.R_PUSHER;
-            } else if (from_col - 1 == to_col) {
-                return board[from_row - 1][from_col - 1] == Pawn.R_PUSHER;
-            } else if (from_col == to_col) {
-                return board[from_row - 1][from_col] == Pawn.R_PUSHER;
-            }
-        }
-
-        return true;
     }
 
     public Pawn[][] getBoard() {
         return board;
     }
 
+    public List<Pawn> getMaxPawns() {
+        return maxPawns;
+    }
+
+    public List<Pawn> getMinPawns() {
+        return minPawns;
+    }
+
     public void printBoard() {
         for (int i = 7; i >= 0; i--) {
             for (int j = 0; j < this.board.length; j++) {

src/main/java/laboratoire4/Test.java

@@ -1,29 +0,0 @@
-package laboratoire4;
-
-public class Test {
-    public static void main(String[] args) {
-        PusherBoard pusherBoard = new PusherBoard();
-        testMoves(pusherBoard);
-        pusherBoard.printBoard();
-    }
-
-    private static void testMoves(PusherBoard pusherBoard){
-        //Move examples
-        pusherBoard.move("D2","D3");
-        pusherBoard.move("C2","C3");
-        pusherBoard.move("D1","D2");
-        pusherBoard.move("D2","E3");
-        pusherBoard.move("C1","C2");
-        pusherBoard.move("E3","D4");
-
-        pusherBoard.move("A5","A6");
-        pusherBoard.move("D2","D1");
-        pusherBoard.move("H8","H9");
-        pusherBoard.move("A1","A3");
-        pusherBoard.move("A1","A2");
-        pusherBoard.move("A8","A6");
-        pusherBoard.move("A8","A7");
-        pusherBoard.move("D3","D4");
-        pusherBoard.move("C3","D4");
-    }
-}

src/main/java/laboratoire4/TestPusherBoard.java

@@ -1,29 +0,0 @@
-package laboratoire4;
-
-import org.junit.Test;
-
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-import static org.junit.jupiter.api.Assertions.*;
-
-class TestPusherBoard {
-
-    private Method getIsValidMethod() throws NoSuchMethodException {
-        Method method = PusherBoard.class.getDeclaredMethod("isValid", int.class, int.class, int.class, int.class);
-        method.setAccessible(true);
-        return method;
-    }
-
-    @Test
-    public void moveValidation() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
-        PusherBoard pusherBoard = new PusherBoard();
-
-        //Move examples
-
-        assertEquals(true, getIsValidMethod().invoke(null, null, new Integer[] { 3,2,3,3 }));
-//        assertEquals(true,pusherBoard.move("C2","C3"));
-//        assertEquals(true,pusherBoard.move("D1","D3"));
-//        assertEquals(true,pusherBoard.move("D2","E3"));
-    }
-}