fixed the code for exercise 8

fixed the code so that it uses a for each loop instead of an for int i
and adjusted the part for validating ship overlaping to use the
isCollidingWith method of Battleship

Projekte/battleship/model/src/main/java/pp/battleship/game/client/EditorState.java

@@ -17,6 +17,7 @@
 import java.io.IOException;
 import java.lang.System.Logger.Level;
 import java.util.Arrays;
+import java.util.List;
 
 import static pp.battleship.Resources.lookup;
 import static pp.battleship.game.client.ClientGameLogic.LOGGER;
@@ -264,27 +265,13 @@ private boolean checkMapToLoad(ShipMapDTO dto) {
         }
 
         // check if ships overlap
-        int[][] tempMap = new int[mapWidth][mapHeight];
-        for (int[] row : tempMap)
-            Arrays.fill(row, 0);
-        dto.getShips().forEach(s -> {
-            int deltaX = s.getMaxX() - s.getMinX();
-            int deltaY = s.getMaxY() - s.getMinY();
-            int lastX = s.getX();
-            int lastY = s.getY();
-            tempMap[lastX][lastY] += 1;
-            for (int i = 0; i < deltaX - 1; i++)
-                for (int j = 0; j < deltaY - 1; j++) {
-                    tempMap[lastX + (deltaX / Math.abs(deltaX))][lastY + (deltaY / Math.abs(deltaY))] += 1;
-                    lastX = lastX + (deltaX / Math.abs(deltaX));
-                    lastY = lastY + (deltaY / Math.abs(deltaY));
-                }
-        });
-        for (int[] row : tempMap) {
-            for (int cell : row) {
-                if (cell > 1) {
-                    LOGGER.log(Level.ERROR, "There are multiple ships on one position");
-                    return false;
+        List<Battleship> ships = dto.getShips();
+        for(Battleship ship:ships){
+            for(Battleship compareShip:ships){
+                if(!(ship==compareShip)){
+                    if(ship.collidesWith(compareShip)){
+                        return false;
+                    }
                 }
             }
         }

Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java

@@ -164,8 +164,7 @@ private boolean checkMap(MapMessage msg, int from) {
         int mapHeight = getPlayerById(from).getMap().getHeight();
 
         // check if ship is out of bounds
-        for (int i = 0; i < msg.getShips().size(); i++){
-            Battleship battleship = msg.getShips().get(i);
+        for (Battleship battleship : msg.getShips()){
             if (battleship.getMaxX() >= mapWidth || battleship.getMinX() < 0 || battleship.getMaxY() >= mapHeight || battleship.getMinY() < 0) {
                 LOGGER.log(Level.ERROR, "Ship is out of bounds ({0})", battleship.toString());
                 return false;
@@ -173,7 +172,21 @@ private boolean checkMap(MapMessage msg, int from) {
         }
 
         // check if ships overlap
-        int[][] tempMap = new int[mapWidth][mapHeight];
+        List<Battleship> ships = msg.getShips();
+        for(Battleship ship:ships){
+            for(Battleship compareShip:ships){
+                if(!(ship==compareShip)){
+                    if(ship.collidesWith(compareShip)){
+                        return false;
+                    }
+                }
+            }
+        }
+
+
+
+
+        /*int[][] tempMap = new int[mapWidth][mapHeight];
         for (int[] row : tempMap)
             Arrays.fill(row, 0);
         msg.getShips().forEach(s -> {
@@ -196,7 +209,7 @@ private boolean checkMap(MapMessage msg, int from) {
                     return false;
                 }
             }
-        }
+        }*/
 
         return true;
     }