Reintroduced id return on trace recording start

BauSystem_Main/src/de/steamwar/bausystem/features/tracer/Recorder.java

@@ -111,11 +111,12 @@ public class Recorder implements Listener {
      *
      *  @param region region to be recorded
      */
-    public void startRecording(Region region){
-        if(activeTraces.containsKey(region)) return;
+    public int startRecording(Region region){
+        if(activeTraces.containsKey(region)) return -1;
         if(autoTraceRegions.contains(region)) noTntRecordedCounter.put(region, 0);
         Trace trace = new Trace(region);
         activeTraces.put(region, trace);
+        return manager.add(trace);
     }
 
     /** Stops the recording at the given region

BauSystem_Main/src/de/steamwar/bausystem/features/tracer/TraceManager.java

@@ -56,12 +56,14 @@ public class TraceManager implements Listener {
     /** Adds a new trace to the global record
      *
      * @param trace Trace to be added
+     * @return id of the created trace
      */
-    protected void add(Trace trace){
+    protected int add(Trace trace){
         for(Player player: viewFlagMap.keySet())
             trace.render(player, viewFlagMap.get(player), bundleFilterMap.get(player));
         traces.put(nextOpenId, trace);
         nextOpenId++;
+        return nextOpenId--;
     }
 
     /** Removes the trace with the given id