From 8c5a2880350015abb395592be66e841329003b88 Mon Sep 17 00:00:00 2001
From: HP <HP@172.30.43.179>
Date: Mon, 19 May 2025 17:51:27 +0200
Subject: [PATCH] findKingposition but unused for now

---
 src/backend/Board.java        | 56 +++++++++++++++++++----------------
 src/backend/CheckManager.java | 50 -------------------------------
 2 files changed, 30 insertions(+), 76 deletions(-)
 delete mode 100644 src/backend/CheckManager.java

diff --git a/src/backend/Board.java b/src/backend/Board.java
index 231dc65..d085f01 100644
--- a/src/backend/Board.java
+++ b/src/backend/Board.java
@@ -1,7 +1,6 @@
 package backend;
 
 import java.util.ArrayList;
-import java.util.Stack;
 
 
 public class Board {
@@ -442,6 +441,32 @@ private boolean isEnemy(int x, int y, boolean isWhite) {
 }
 
 
+public boolean isKingInCheck(boolean isWhite) {
+    // find king position
+    int kingX = 1, kingY = 1;
+    for (Piece p : pieces) {
+        	if (p.isWhite() == isWhite && p.getType() == PieceType.King) {
+        		kingX = p.getX();
+        		kingY = p.getY();
+        		System.out.println("kingfound");
+        		break;
+        }
+    }
+    // Generate and test enemies moves
+    for (Piece enemy : pieces) {
+        if (enemy.isWhite() != isWhite) {
+            ArrayList<int[]> moves = computeLegalMoves(enemy);
+            for (int[] move : moves) {
+                if (move[0] == kingX && move[1] == kingY) {
+                    return true; // king in check
+                }
+            }
+        }
+    }
+    System.out.println("kingfound");
+    return false; // king is not in check
+}
+
 public ArrayList<int[]> computeLegalMoves(Piece piece) {
     ArrayList<int[]> moves = new ArrayList<>();
     int x = piece.getX();
@@ -471,6 +496,7 @@ public ArrayList<int[]> computeLegalMoves(Piece piece) {
         if (isEnemy(x + 1, nextY, piece.isWhite())) {
             moves.add(new int[]{x + 1, nextY});
         }
+        
         if (y==7){
         	setPiece(false , PieceType.Queen, x,y);
             pieces.remove(piece);
@@ -480,6 +506,7 @@ public ArrayList<int[]> computeLegalMoves(Piece piece) {
         	setPiece(true , PieceType.Queen, x,y);
         	pieces.remove(piece);
          	}
+         
         // En passant
         if (enPassantTarget != null) {
             int targetX = enPassantTarget[0];
@@ -488,7 +515,7 @@ public ArrayList<int[]> computeLegalMoves(Piece piece) {
             if(!piece.isWhite() && y==4 && targetY==5 && Math.abs(x-targetX)==1) {
             	moves.add(new int[] {targetX, targetY});
             }
-            }
+        }
     }
 
     if (type == PieceType.Rook) {
@@ -580,31 +607,8 @@ public ArrayList<int[]> computeLegalMoves(Piece piece) {
                 }
             }
         }
-    
+     
     }
-
-    
     return moves;
 }
-public int[] findKingPosition(boolean isWhite) {
-	for (Piece piece : pieces) {
-        if (piece.getType() == PieceType.King && piece.isWhite() == isWhite) {
-            return new int[]{piece.getX(), piece.getY()};
-        }
-    }
-    return null; // Erreur : le roi n'a pas été trouvé (ne devrait pas arriver)
-}
-
-public ArrayList<int[]> getAllMoves(boolean isWhite) {
-    ArrayList<int[]> allMoves = new ArrayList<>();
-    for (Piece piece : pieces) {
-        if (piece.isWhite() == isWhite) {
-            ArrayList<int[]> moves = computeLegalMoves(piece);
-            for (int[] move : moves) {
-                allMoves.add(new int[]{piece.getX(), piece.getY(), move[0], move[1]});
-            }
-        }
-    }
-    return allMoves;
-}
 }
\ No newline at end of file
diff --git a/src/backend/CheckManager.java b/src/backend/CheckManager.java
deleted file mode 100644
index d80be72..0000000
--- a/src/backend/CheckManager.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package backend;
-
-import java.util.ArrayList;
-
-public class CheckManager {
-    private Board board;
-
-
-    public CheckManager(Board board) {
-        this.board = board;
-    }
-
-    // Check if the king of a given color is in check
-    public boolean isKingInCheck(boolean isWhite) {
-        int[] kingPosition = board.findKingPosition(isWhite); // You must implement this
-        for (Piece piece : board.getPieces()) {
-            if (piece.isWhite() != isWhite) {
-                ArrayList<int[]> enemyMoves = board.computeLegalMoves(piece); // you already have this?
-                for (int[] move : enemyMoves) {
-                    if (move[0] == kingPosition[0] && move[1] == kingPosition[1]) {
-                        return true;
-                    }
-                }
-            }
-        }
-        return false;
-    }
-
-    // Filter out illegal moves (those that leave king in check)
-    public ArrayList<int[]> getLegalMovesFiltered(boolean isWhite) {
-        ArrayList<int[]> allMoves = board.getAllMoves(isWhite); // You must write this or adapt it
-        ArrayList<int[]> legalMoves = new ArrayList<>();
-
-        for (int[] move : allMoves) {
-      //      board.makeMove(move); // Simulate move
-            boolean inCheck = isKingInCheck(isWhite);
-      //      board.undoMove();     // Undo move
-            if (!inCheck) {
-                legalMoves.add(move);
-            }
-        }
-
-        return legalMoves;
-    }
-
-    public boolean isCheckmate(boolean isWhite) {
-        if (!isKingInCheck(isWhite)) return false;
-        return getLegalMovesFiltered(isWhite).isEmpty();
-    }
-}