outsource record Move

src/Bot.java

@@ -46,6 +46,7 @@ public abstract class Bot implements Runnable {
 
     protected void print(View view) {
         view.print();
+        System.out.println();
     }
 
     // Diese Methode ermittelt den nächsten Zug des Bots. Sie wird von der

src/EscapeBot.java

@@ -1,3 +1,5 @@
+import records.Move;
+
 import java.util.LinkedList;
 import java.util.Queue;
 
@@ -80,13 +82,13 @@ public class EscapeBot extends Bot {
 
         while (!queue.isEmpty()) {
             Move move = queue.poll();
-            if (move.x < 0 || move.x >= size || move.y < 0 || move.y >= size || visited[move.x][move.y]) continue;
-            visited[move.x][move.y] = true;
-            if (obstacles.contains("" + grid[move.x][move.y])) continue;
-            if (grid[move.x][move.y] == 'o') return move.direction;
+            if (move.x() < 0 || move.x() >= size || move.y() < 0 || move.y() >= size || visited[move.x()][move.y()]) continue;
+            visited[move.x()][move.y()] = true;
+            if (obstacles.contains("" + grid[move.x()][move.y()])) continue;
+            if (grid[move.x()][move.y()] == 'o') return move.direction();
 
             for (int[] direction : directions) {
-                queue.add(new Move(move.x + direction[0], move.y + direction[1], move.direction));
+                queue.add(new Move(move.x() + direction[0], move.y() + direction[1], move.direction()));
             }
         }
 
@@ -94,7 +96,4 @@ public class EscapeBot extends Bot {
         return safeMove(grid);
     }
 
-    protected record Move(int x, int y, char direction) {
-    }
-
 }

src/RumbleBot.java

@@ -1,3 +1,5 @@
+import records.Move;
+
 import java.util.LinkedList;
 import java.util.Queue;
 import java.util.Random;
@@ -28,18 +30,14 @@ public class RumbleBot extends Bot {
 
     @Override
     protected char nextMove(View view) {
-        System.out.println();
-
         int size = view.width;
         String data = view.data;
         char[][] grid = dataToGrid(data, size);
 
-        if (data.contains("v") || data.contains("^") || data.contains("<") || data.contains(">")) {
-            if (isInLineOfSight(grid)) {
-                return 'f';
-            } else {
-                return breadthFirstSearch(grid);
-            }
+        if (isInLineOfSight(grid)) {
+            return 'f';
+        } else if (data.contains("v") || data.contains("^") || data.contains("<") || data.contains(">")) {
+            return breadthFirstSearch(grid);
         } else {
             return walkAround(grid);
         }
@@ -96,34 +94,23 @@ public class RumbleBot extends Bot {
     protected boolean isInLineOfSight(char[][] grid) {
         int size = grid.length;
         for (int y = size / 2; y >= 0; y--) {
-            if (obstacles.contains("" + grid[size / 2][y]))
-                break;
-
             if (players.contains("" + grid[size / 2][y]))
                 return true;
+
+            if (obstacles.contains("" + grid[size / 2][y]))
+                break;
         }
         return false;
     }
 
     protected char walkAround(char[][] grid) {
+        int size = grid.length;
         if (steps == 0) {
             steps = random.nextInt(20);
-            if(random.nextBoolean())
-                return '<';
-            else
-                return '>';
+            return random.nextBoolean() ? '<' : '>';
         } else {
             steps--;
-            return safeMove(grid);
-        }
-    }
-
-    protected char safeMove(char[][] grid) {
-        int size = grid.length;
-        if (obstacles.contains("" + grid[size / 2][size / 2 - 1])) {
-            return '<';
-        } else {
-            return '^';
+            return obstacles.contains("" + grid[size / 2][size / 2 - 1]) ? '<' : '^';
         }
     }
 
@@ -148,21 +135,18 @@ public class RumbleBot extends Bot {
 
         while (!queue.isEmpty()) {
             Move move = queue.poll();
-            if (move.x < 0 || move.x >= size || move.y < 0 || move.y >= size || visited[move.x][move.y]) continue;
-            visited[move.x][move.y] = true;
-            if (obstacles.contains("" + grid[move.x][move.y])) continue;
-            if (targets.contains("" + grid[move.x][move.y])) return move.direction;
+            if (move.x() < 0 || move.x() >= size || move.y() < 0 || move.y() >= size || visited[move.x()][move.y()]) continue;
+            visited[move.x()][move.y()] = true;
+            if (obstacles.contains("" + grid[move.x()][move.y()])) continue;
+            if (targets.contains("" + grid[move.x()][move.y()])) return move.direction();
 
             for (int[] direction : directions) {
-                queue.add(new Move(move.x + direction[0], move.y + direction[1], move.direction));
+                queue.add(new Move(move.x() + direction[0], move.y() + direction[1], move.direction()));
             }
         }
 
         System.err.println("No path found");
-        return safeMove(grid);
-    }
-
-    protected record Move(int x, int y, char direction) {
+        return walkAround(grid);
     }
 
 }

src/SnakeBot.java

@@ -1,13 +1,24 @@
+import records.Move;
+
+import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.Queue;
 
 public class SnakeBot extends Bot {
     protected final static String obstacles = "~#X*";
+    protected final static char target = '@';
     protected boolean offByOne = true;
     protected int currentStepCount = 0;
     protected int steps = 0;
 
     public static void main(String[] args) {
+        if (args.length == 0) {
+            String[] dummyArgs = {"localhost", "63187"};
+            for (int i = 0; i < 5; i++) {
+                new Thread(new SnakeBot(dummyArgs)).start();
+            }
+        }
+
         Bot bot = new SnakeBot(args);
         bot.run();
     }
@@ -99,13 +110,13 @@ public class SnakeBot extends Bot {
 
         while (!queue.isEmpty()) {
             Move move = queue.poll();
-            if (move.x < 0 || move.x >= size || move.y < 0 || move.y >= size || visited[move.x][move.y]) continue;
-            visited[move.x][move.y] = true;
-            if (obstacles.contains("" + grid[move.x][move.y])) continue;
-            if (grid[move.x][move.y] == '@') return move.direction;
+            if (move.x() < 0 || move.x() >= size || move.y() < 0 || move.y() >= size || visited[move.x()][move.y()]) continue;
+            visited[move.x()][move.y()] = true;
+            if (obstacles.contains("" + grid[move.x()][move.y()])) continue;
+            if (grid[move.x()][move.y()] == target) return move.direction();
 
             for (int[] direction : directions) {
-                queue.add(new Move(move.x + direction[0], move.y + direction[1], move.direction));
+                queue.add(new Move(move.x() + direction[0], move.y() + direction[1], move.direction()));
             }
         }
 
@@ -113,7 +124,4 @@ public class SnakeBot extends Bot {
         return safeMove(grid);
     }
 
-    protected record Move(int x, int y, char direction) {
-    }
-
 }

src/records/Move.java

@@ -0,0 +1,4 @@
+package records;
+
+public record Move(int x, int y, char direction) {
+}