added save management

.gitignore

@@ -1,3 +1,2 @@
 *.class
-*.jar
-saves/*.txt
+*.jar

AppLaser.java

@@ -2,8 +2,12 @@
 
 import java.util.Scanner;
 import java.time.Instant;
+import java.io.FileReader;
+import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileWriter;
+import java.util.Set;
+import java.util.stream.Stream;
+import java.util.stream.Collectors;
 
 public class AppLaser {
     public static void main(String [] args) {
@@ -65,9 +69,11 @@ public class AppLaser {
                 System.out.println("\n1 - Resize universe");
                 System.out.println("2 - Change start position");
                 System.out.println("3 - Add obstacle");
-                System.out.println("4 - Save universe");
-                System.out.println("5 - Load universe");
-                System.out.println("6 - Resolve");
+                System.out.println("4 - Reset universe");
+                System.out.println("5 - Reset obstacles");
+                System.out.println("6 - Save universe");
+                System.out.println("7 - Load universe");
+                System.out.println("8 - Resolve");
                 System.out.println("0 - Exit");
 
                 // prompt the user
@@ -130,6 +136,17 @@ public class AppLaser {
                         break;
 
                     case 4:
+                        universe.resetUniverse();
+
+                        break;
+
+                    case 5:
+                        universe.resetUniverseObstacles();
+
+                        break;
+
+
+                    case 6:
                         System.out.print("\nHow do you want to name your universe : ");
                         String name = "";
 
@@ -137,26 +154,68 @@ public class AppLaser {
                             name = scanner.nextLine();
                         }
 
+                        universe.save(name);
+
+                        break;
+
+                    case 7:
+
+                        Set<String> files = Stream.of(new File("./saves").listFiles()).filter(file -> !file.isDirectory()).map(File::getName).collect(Collectors.toSet());
+
+                        System.out.println("\nAvailable files : \n");
+
+                        for (String element : files) {
+                            System.out.println(element.replace(".txt", ""));
+                        }
+
+                        System.out.print("\nWhat universe do you want load ? : ");
+                        String name2 = "";
+
+                        while (name2.isEmpty()) {
+                            name2 = scanner.nextLine();
+                        }
+
                         try {
-                            File file = new File("./saves/" + name + ".txt");
+                            BufferedReader reader = new BufferedReader(new FileReader("./saves/" + name2 + ".txt"));
+                            universe_height = Integer.valueOf(reader.readLine());
+                            universe_width = Integer.valueOf(reader.readLine());
+                            start_dir = Integer.valueOf(reader.readLine());
+                            start_i = Integer.valueOf(reader.readLine());
+                            start_j = Integer.valueOf(reader.readLine());
 
-                            file.createNewFile();
 
-                            FileWriter writer = new FileWriter("./saves/" + name + ".txt");
+                            universe.changeUniverseDim(universe_width, universe_height);
 
-                            for (int i = 0; i < universe_height + 2; i++) {
-                                for (int j = 0; j < universe_width + 2; j++) {
-                                    writer.write(universe.grid[i][j]);
+                            firstState_i = start_i;
+                            firstState_j = start_j;
+
+                            if      (start_dir == 10) firstState_i = start_i - 1;
+                            else if (start_dir == 11) firstState_i = start_i + 1;
+                            else if (start_dir == 12) firstState_j = start_j + 1;
+                            else if (start_dir == 13) firstState_j = start_j - 1;
+
+                            currentState = new Situation(firstState_i, firstState_j, start_dir, 0);
+
+                            universe.changeUniverseStart(start_i, start_j, start_dir);
+
+                            while (true) {
+                                try {
+                                    int pos1 = Integer.valueOf(reader.readLine());
+                                    int pos2 = Integer.valueOf(reader.readLine());
+
+                                    universe.addObstacle(pos1, pos2);
+                                } 
+                                catch (Exception e) {
+                                    break;
                                 }
-                                writer.write("\n");
                             }
-                            writer.close();
                         }
                         catch (Exception e) {}
 
                         break;
 
-                    case 6:
+
+                    case 8:
                         boolean display_progress = false, display_regress = false;
 
                         System.out.println("\n1 - display progress and regress");

Universe.java

@@ -1,9 +1,12 @@
 // Antoine CRETUAL, Lukian LEIZOUR, 14/02/2024
 
+import java.io.File;
+import java.io.FileWriter;
+
 public class Universe {
     // Atributes
 
-    public int[][] grid;
+    private int[][] grid;
     private int width, height;
     private int boxes_to_fill;
 
@@ -105,6 +108,18 @@ public class Universe {
         }
     }
 
+    public void resetUniverseObstacles() {
+        for (int i = 1; i < this.height - 1; i++) {
+            for (int j = 1; j < this.width - 1; j++) {
+                if (this.grid[i][j] != 10 && this.grid[i][j] != 11 && this.grid[i][j] != 12 && this.grid[i][j] != 13 && this.grid[i][j] != 0) {
+                    this.grid[i][j] = 0;
+                }
+            }
+        }
+
+        this.boxes_to_fill = ((this.height - 2) * (this.width - 2)) - 1;
+    }
+
     public void changeUniverseDim(int width, int height) {
         int [][] newgrid = new int[width][height];
 
@@ -329,4 +344,30 @@ public class Universe {
     public boolean isSolved() {
         return this.boxes_to_fill == 0;
     }
+
+    public void save(String fileName) {
+        try {
+            File file = new File("./saves/" + fileName + ".txt");
+
+            file.createNewFile();
+
+            FileWriter writer = new FileWriter("./saves/" + fileName + ".txt");
+            writer.write(this.height + "\n" + this.width + "\n");
+
+            for (int i = 1; i < this.height - 1; i++) {
+                for (int j = 1; j < this.width - 1; j++) {
+                    if (this.grid[i][j] == 10 || this.grid[i][j] == 11 || this.grid[i][j] == 12 || this.grid[i][j] == 13) writer.write(this.grid[i][j] + "\n" + i + "\n" + j + "\n");
+                }
+            }
+
+            for (int i = 1; i < this.height - 1; i++) {
+                for (int j = 1; j < this.width - 1; j++) {
+                    if (this.grid[i][j] == -1) writer.write(i + "\n" + j + "\n");
+                }
+            }
+
+            writer.close();
+        }
+        catch (Exception e) {}
+    }
 }

saves/default.txt

@@ -0,0 +1,5 @@
+5
+5
+11
+1
+1

saves/rightBlock.txt

@@ -0,0 +1,29 @@
+12
+12
+10
+6
+1
+1
+8
+1
+9
+1
+10
+2
+8
+2
+9
+2
+10
+3
+8
+3
+9
+3
+10
+4
+8
+4
+9
+4
+10