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fixed issue chess ai is fully functional
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@FSaurenbach
FSaurenbach committed Jul 31, 2024
1 parent 3e37691 commit 2bb0e33
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Showing 3 changed files with 9 additions and 36 deletions.
10 changes: 5 additions & 5 deletions src/commonMain/kotlin/ChessAi.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -134,14 +134,14 @@ class ChessAi {
'7' -> newY = 1
'8' -> newY = 0
}
println("Old position: $oldX, $oldY")
println("New position: $newX, $newY")
for (piece in pieces) {
//println("Old position: $oldX, $oldY")
//println("New position: $newX, $newY")
var copy = pieces.toMutableList()
for (piece in copy) {
if (piece.cx == oldX && piece.cy == oldY && oldX != 9 && oldY != 9 && newX != 9 && newY != 9) {
if (!whiteTurn && piece.moveChecker(Pair(oldX, oldY), Pair(newX, newY), true) && piece.color == Colors.BLACK) {
println("whiteTurn: $whiteTurn")
println(piece)
figurBewegen(piece, newX, newY)
println("whiteTurn: $whiteTurn")
}
}
}
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2 changes: 0 additions & 2 deletions src/commonMain/kotlin/Main.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,6 @@ class MyScene(private val cont: SceneContainer) : PixelatedScene(512, 512) {

error = false
var moved = false
println("b")
if (!moved) {
// pieces list with the name of all the pieces and their
// position
Expand Down Expand Up @@ -171,7 +170,6 @@ class MyScene(private val cont: SceneContainer) : PixelatedScene(512, 512) {

fun inCheck(): Boolean {

println("checking for check...")
val piecesCopy = pieces.toMutableList()
for (piece in piecesCopy) {
if (piece.kind == PieceKind.WhiteKing) {
Expand Down
33 changes: 4 additions & 29 deletions src/commonMain/kotlin/Piece.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -154,8 +154,6 @@ class Piece(
oldPos.second == 6 && newPos.second == 4 && oldPos.first == newPos.first
if (isPawnMoveForward || isInitialPawnMove) {
if (whiteKingInCheck) {
println("s")
println(isMoveSafe(oldPos, newPos))
if (!isMoveSafe(oldPos, newPos)) return false
}
if (pieceOnNewPos == null) {
Expand All @@ -167,8 +165,6 @@ class Piece(
((newPos.first - oldPos.first == 1) || (newPos.first - oldPos.first == -1))) {
if (pieceOnNewPos != null && pieceOnNewPos.color == Colors.BLACK) {
if (whiteKingInCheck) {
println("q")
println(isMoveSafe(oldPos, newPos))
if (!isMoveSafe(oldPos, newPos)) return false
}
if (performMove) removePiece(pieceOnNewPos)
Expand All @@ -191,8 +187,6 @@ class Piece(
oldPos.second == 1 && newPos.second == 3 && oldPos.first == newPos.first
if (isPawnMoveForward || isInitialPawnMove) {
if (blackKingInCheck) {
println("s")
println(isMoveSafe(oldPos, newPos))
if (!isMoveSafe(oldPos, newPos)) return false
}
if (pieceOnNewPos == null) {
Expand All @@ -204,8 +198,6 @@ class Piece(
((newPos.first - oldPos.first == 1) || (newPos.first - oldPos.first == -1))) {
if (pieceOnNewPos != null && pieceOnNewPos.color == Colors.WHITE) {
if (blackKingInCheck) {
println("qd")
println(isMoveSafe(oldPos, newPos))
if (!isMoveSafe(oldPos, newPos)) return false
}
if (performMove) removePiece(pieceOnNewPos)
Expand Down Expand Up @@ -405,20 +397,16 @@ class Piece(
}
if (newPos.first < oldPos.first && newPos.second < oldPos.second) {
val cellstocheck = oldPos.first - newPos.first - 1
println("cellstocheck: $cellstocheck going up left")
for (i in 1..cellstocheck) {
val pp = schachbrett!!.findPiece(oldPos.first - i, oldPos.second - i)?.pos
if (pp != null) {
println("Found Piece blocking bishops path!")
return false
}
}
if (pieceOnNewPos != null && pieceOnNewPos.color == color) {
println("pieceOnNewPos: $pieceOnNewPos")
return false
}
if (pieceOnNewPos != null && pieceOnNewPos.color != color) {
println("pieceOnNewPos: $pieceOnNewPos")
if (performMove) removePiece(pieceOnNewPos)
if (performMove) whiteTurn = !isWhite
return true
Expand All @@ -433,20 +421,16 @@ class Piece(
}
if (newPos.first > oldPos.first && newPos.second < oldPos.second) {
val cellstocheck = newPos.first - oldPos.first - 1
println("cellstocheck: $cellstocheck going up right")
for (i in 1..cellstocheck) {
val pp = schachbrett!!.findPiece(oldPos.first + i, oldPos.second - i)?.pos
if (pp != null) {
println("Found Piece blocking bishops path!")
return false
}
}
if (pieceOnNewPos != null && pieceOnNewPos.color == color) {
println("pieceOnNewPos: $pieceOnNewPos")
return false
}
if (pieceOnNewPos != null && pieceOnNewPos.color != color) {
println("pieceOnNewPos: $pieceOnNewPos")
if (performMove) removePiece(pieceOnNewPos)
if (performMove) whiteTurn = !isWhite
return true
Expand All @@ -461,7 +445,6 @@ class Piece(
}
if (newPos.first < oldPos.first && newPos.second > oldPos.second) {
val cellstocheck = oldPos.first - newPos.first - 1
println("cellstocheck: $cellstocheck going down left")
for (i in 1..cellstocheck) {
val pp = schachbrett!!.findPiece(oldPos.first - i, oldPos.second + i)?.pos
if (pp != null) {
Expand All @@ -470,11 +453,9 @@ class Piece(
}
}
if (pieceOnNewPos != null && pieceOnNewPos.color == color) {
println("pieceOnNewPos: $pieceOnNewPos")
return false
}
if (pieceOnNewPos != null && pieceOnNewPos.color != color) {
println("pieceOnNewPos: $pieceOnNewPos")
if (performMove) removePiece(pieceOnNewPos)
if (performMove) whiteTurn = !isWhite
return true
Expand Down Expand Up @@ -518,10 +499,8 @@ class Piece(
// Check if there is a piece on the new position and its color
if (pieceOnNewPos != null) {
if (pieceOnNewPos.color == color) {
println("pieceOnNewPos: $pieceOnNewPos")
return false
} else {
println("pieceOnNewPos: $pieceOnNewPos")
if (performMove) {
removePiece(pieceOnNewPos)
}
Expand Down Expand Up @@ -585,12 +564,10 @@ class Piece(
}

fun removePiece(piece: Piece) {
println("Pieces list before removal: $pieces")
pieces.remove(piece)
piece.piece.removeFromParent()
piece.removeFromParent()

println("Pieces list after removal: $pieces")
println("Piece removed: $piece")
}

Expand Down Expand Up @@ -627,10 +604,10 @@ fun addAllPieces(cont: SceneContainer) {

fun isMoveSafe(oldPos: Pair<Int, Int>, newPos: Pair<Int, Int>): Boolean {
val piece = schachbrett?.findPiece(oldPos.first, oldPos.second)
println("Piece: $piece oldPos: $oldPos newPos: $newPos")
//println("Piece: $piece oldPos: $oldPos newPos: $newPos")
val newPosPiece = schachbrett?.findPiece(newPos.first, newPos.second)
if (newPosPiece != null) {
println("newPosPiece: $newPosPiece")
//println("newPosPiece: $newPosPiece")
}
if (piece != null) {
figurBewegen(piece, newPos.first, newPos.second)
Expand All @@ -639,10 +616,10 @@ fun isMoveSafe(oldPos: Pair<Int, Int>, newPos: Pair<Int, Int>): Boolean {
if (inCheck()) println("fuck")
if (whiteKingInCheck || blackKingInCheck) {
if (piece != null) {
println("Piece position after moving: ${decodePos(piece.pos)}")
//println("Piece position after moving: ${decodePos(piece.pos)}")
figurBewegen(piece, oldPos.first, oldPos.second)

println("Piece position after moving back: ${decodePos(piece.pos)}")
//println("Piece position after moving back: ${decodePos(piece.pos)}")
}
// If the piece at the new position is threatening the king, allow the move
if (newPosPiece != null &&
Expand All @@ -652,7 +629,6 @@ fun isMoveSafe(oldPos: Pair<Int, Int>, newPos: Pair<Int, Int>): Boolean {
if (piece != null) {
figurBewegen(piece, newPos.first, newPos.second)
}
println("true")
return true
}
return false
Expand All @@ -661,6 +637,5 @@ fun isMoveSafe(oldPos: Pair<Int, Int>, newPos: Pair<Int, Int>): Boolean {
if (newPosPiece != null) {
piece?.removePiece(newPosPiece)
}
println("true")
return true
}

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