Merge ScriptListener.Script and ScriptListener.ScriptExecutor

BauSystem_Main/src/de/steamwar/bausystem/world/ScriptListener.java

@@ -39,16 +39,14 @@ import java.util.logging.Level;
 
 public class ScriptListener implements Listener {
 
-    private Map<BookMeta, Script> scriptMap = new HashMap<>();
+    private static class ScriptExecutor {
 
-    private class Script {
-
-        private BookMeta bookMeta;
+        private Player player;
         private List<String> commands = new ArrayList<>();
-        private int uses = 0;
+        private int index = 0;
 
-        public Script(BookMeta bookMeta) {
-            this.bookMeta = bookMeta;
+        public ScriptExecutor(BookMeta bookMeta, Player player) {
+            this.player = player;
 
             for(String page : bookMeta.getPages()) {
                 for (String command : page.split("\n")) {
@@ -56,50 +54,23 @@ public class ScriptListener implements Listener {
                     commands.add(command);
                 }
             }
-        }
-
-        public void keep() {
-            uses++;
-        }
-
-        public void free() {
-            uses--;
-            if (uses < 0) {
-                scriptMap.remove(bookMeta);
-            }
-        }
-
-    }
-
-    private class ScriptExecutor {
-
-        private Player player;
-        private Script script;
-        private int index = 0;
-
-        public ScriptExecutor(BookMeta bookMeta, Player player) {
-            this.player = player;
-
-            if (!scriptMap.containsKey(bookMeta)) {
-                scriptMap.put(bookMeta, new Script(bookMeta));
-            }
-            script = scriptMap.get(bookMeta);
-            script.keep();
-        }
-
-        public void start() {
             resume();
         }
 
         private void resume() {
-            while (index < script.commands.size()) {
-                String command = script.commands.get(index++);
+            if (!player.isOnline()) {
+                player = null;
+                commands = null;
+                return;
+            }
+
+            while (index < commands.size()) {
+                String command = commands.get(index++);
 
                 if (command.startsWith("sleep")) {
                     String sleepTimeString = command.substring(5).trim();
                     int sleepTime = 1;
                     try {
-                        Integer.parseInt(sleepTimeString);
                     } catch (NumberFormatException e) {
                         // Ignored
                     }
@@ -131,7 +102,7 @@ public class ScriptListener implements Listener {
         event.setCancelled(true);
         Player player = event.getPlayer();
         BookMeta meta = (BookMeta) item.getItemMeta();
-        new ScriptExecutor(meta, player).resume();
+        new ScriptExecutor(meta, player);
     }
 
     private boolean isNoBook(ItemStack item){