another cummit

javascript/client-only-logic.js

@@ -76,24 +76,11 @@ function generatePieces(){
     });
 }
 
-function findValidMoves(piece){
-    
-    const x = piece.getAttribute("x");
-    const y = piece.getAttribute("y");
-
-    const pieceRecord = getPieceRecord(x,y);
-    
-    const directionMultiplier = (pieceRecord.player == "white") ? 1 : -1; 
-
-    var validMoves = new Array();
-
-    //DODĚLAT ZDE!
-    
-    return validMoves;
-
-
+function getPieceRecordFromPiece(piece) {
+    return getPieceRecord(piece.getAttribute("x"), piece.getAttribute("y"));
 }
 
+
 function resetPieceSelection() {
     if(selectedPiece != null){
         selectedPiece.classList.remove("selected");
@@ -107,12 +94,17 @@ function pieceClickEvent(piece){
     selectedPiece.classList.add("selected");
     
 
+    
 }
 
 function tileClickEvent(x, y){
     
     if(selectedPiece != null){
+        
+        const pieceRecord = getPieceRecordFromPiece(selectedPiece);
         movePiece(selectedPiece, x, y)
+        
+        alert(isMoveValid(pieceRecord, x,y))
         resetPieceSelection();
     }
 }

javascript/game-logic.js

@@ -44,4 +44,69 @@ function updatePieceRecord(pieceRecord) {
     pieceList[index] = pieceRecord;
 }
 
+function updatePieceRecordPosition(pieceRecord, x, y) {
+    pieceRecord.x = x;
+    pieceRecord.y = y;
+    updatePieceRecord(pieceRecord);
+}
+
+function isMoveValid(pieceRecord, x, y){
+    
+    
+    if(0 > y > 7 || 0 > x > 7){
+        return false;
+    }
+
+    if (getPieceRecord(x,y)) {
+        return false;
+    }
+
+    const currentX = pieceRecord.x;
+    const currentY = pieceRecord.y;
+
+    if (Math.abs(y - currentY) != Math.abs(x - currentX)) {
+        return false;
+    }
+
+    const player = pieceRecord.player;
+    const type = pieceRecord.type;
+
+    //Check correct Y direction if piece is basic
+    if (currentY > y && player == "white" && type == "basic") {
+        return false;
+    }
+
+
+    const directionY = (y > currentY) ? 1 : -1;
+    const directionX = (x > currentX) ? 1 : -1;
+
+    space = 0;
+    piecesInWay = 0;
+
+    for (let i = 1; i < (Math.abs(y-currentY)+1); i++) {
+        
+        const nowX = currentX + (i*directionX);
+        const nowY = currentY + (i*directionY);
+
+        if (getPieceRecord(nowX, nowY)) {
+            space = 0;
+            piecesInWay++;
+        }else{
+            space++;
+            piecesInWay = 0;
+        }
+
+        if(piecesInWay > 1){
+            return false;
+        }
+
+        if (space > 1 && type == "basic") {
+            return false;
+        }
+    }
+
+    return true;
+    
+}
+
 generateDefaultPositions();