🚧 tp meeple back on invalid move

DouShouQi_App/DouShouQi_App/Components/Scene/SpriteMeeple.swift

@@ -19,7 +19,7 @@ class SpriteMeeple : SKNode {
     var originalSize: CGSize
     var originalEllipseSize: CGSize
     
-    var onMove: ((CGPoint, CGPoint) -> ())?
+    var onMove: ((SpriteMeeple, CGPoint, CGPoint) -> ())?
     
     var cellPosition: CGPoint{
         didSet(cellPosition){
@@ -65,7 +65,7 @@ class SpriteMeeple : SKNode {
         super.init(coder: aDecoder)
     }
     
-    public func setOnMove(onMove: @escaping (CGPoint, CGPoint) -> ()) { self.onMove = onMove }
+    public func setOnMove(onMove: @escaping (SpriteMeeple, CGPoint, CGPoint) -> ()) { self.onMove = onMove }
                                    
     override var isUserInteractionEnabled: Bool{
         set { }
@@ -96,8 +96,8 @@ class SpriteMeeple : SKNode {
         imageNode.size = originalSize
         ellipseNode.path = SKShapeNode(ellipseOf: originalEllipseSize).path
         
-        if let onMove: (CGPoint, CGPoint) -> () = onMove {
-            onMove(self.oldCellPosition!, self.getCellPosition())
+        if let onMove: (SpriteMeeple, CGPoint, CGPoint) -> () = onMove {
+            onMove(self, self.oldCellPosition!, self.getCellPosition())
         }
 
         self.zPosition = 0

DouShouQi_App/DouShouQi_App/ViewModel/Game/PlayingGameVM.swift

@@ -64,18 +64,23 @@ class PlayingGameVM: ObservableObject {
     }
     
     // Customs funcs
-    func onMeepleMove(_ start: CGPoint, _ end: CGPoint) {
+    func onMeepleMove(_ sender: SpriteMeeple, _ start: CGPoint, _ end: CGPoint) {
         let owner = game.rules.getNextPlayer()
         let player: DouShouQiModel.Player = game.players[owner]!
         
         let move = Move(of: owner, fromRow: Int(start.y), andFromColumn: Int(start.x), toRow: Int(end.y), andToColumn: Int(end.x))
         
-        print("Meeple moved = ", start, " -> ", end)
-        
-        Task {
-            try! await (player as! HumanPlayer).chooseMove(move)
+        if (game.rules.isMoveValid(onBoard: game.board, withMove: move)) {
+            print("Meeple moved = ", start, " -> ", end)
+            
+            Task {
+                try! await (player as! HumanPlayer).chooseMove(move)
+            }
+            self.objectWillChange.send()
+        } else {
+            sender.cellPosition = start
         }
-        self.objectWillChange.send()
+        
     }
     
     public func start() {