Fix BauSystem for old BauWorld

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java

@@ -108,18 +108,32 @@ public class BauSystem extends JavaPlugin implements Listener {
     }
 
     private void fixBauSystem() {
+        int number = -1;
+        try {
+            String string = new File(world.getWorldFolder(), "sections.yapion").getCanonicalPath();
+            if (string.endsWith("/sections3.yml")) number = 3;
+            if (string.endsWith("/sections4.yml")) number = 4;
+        } catch (IOException e) {
+            Bukkit.getLogger().log(Level.SEVERE, e.getMessage(), e);
+            Bukkit.shutdown();
+            return;
+        }
+        if (number == -1) {
+            Bukkit.shutdown();
+            return;
+        }
         if (!new File(world.getWorldFolder(),"prototypes.yapion").exists()) {
-            createLink("prototypes.yapion");
+            createLink("prototypes" + number + ".yapion", "prototypes.yapion");
         }
         if (!new File(world.getWorldFolder(),"regions.yapion").exists()) {
-            createLink("regions.yapion");
+            createLink("regions" + number + ".yapion", "regions.yapion");
         }
     }
 
-    private void createLink(String name) {
+    private void createLink(String source, String destination) {
         try {
-            Bukkit.getLogger().log(Level.INFO, "Executing: ln -s /home/minecraft/backbone/server/Bau15/{0} .", new String[]{name});
-            ProcessBuilder processBuilder = new ProcessBuilder("ln", "-s", "/home/minecraft/backbone/server/Bau15/" + name, ".");
+            Bukkit.getLogger().log(Level.INFO, "Executing: ln -s /home/minecraft/backbone/server/Bau15/{0} {1}", new String[]{source, destination});
+            ProcessBuilder processBuilder = new ProcessBuilder("ln", "-s", "/home/minecraft/backbone/server/Bau15/" + source, destination);
             processBuilder.directory(world.getWorldFolder());
             processBuilder.inheritIO();