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

@@ -100,7 +100,7 @@ public class Recorder implements Listener {
             for(TNTPrimed tnt : trackedTNT.getOrDefault(region, Collections.emptyList())){
                 record(tnt, trace);
             }
-            trace.comitAdd();
+            trace.commitAdd();
         }
    }
 
@@ -111,11 +111,17 @@ public class Recorder implements Listener {
      */
    private void record(TNTPrimed tntPrimed, Trace trace){
        List<TNTRecord> history = historyMap.getOrDefault(tntPrimed, new ArrayList<>());
+       UUID tntID;
 
-       if(historyMap.size() == 0)
+       if(historyMap.size() == 0){
            historyMap.put(tntPrimed, history);
+           tntID = UUID.randomUUID();
+       }
+       else
+           tntID = history.get(0).getTntId();
 
-       TNTRecord record = new TNTRecord(tntPrimed, tntPrimed.getFuseTicks() == 0, TPSUtils.currentTick.get() - trace.getStartTime(), history);
+
+       TNTRecord record = new TNTRecord(tntID, tntPrimed, tntPrimed.getFuseTicks() == 0, TPSUtils.currentTick.get() - trace.getStartTime(), history);
         history.add(record);
 
        trace.add(record);

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

@@ -26,9 +26,16 @@ import org.bukkit.util.Vector;
 
 import java.util.List;
 import java.util.Optional;
+import java.util.UUID;
 
 @Getter
 public class TNTRecord {
+
+    /**
+     * Unique number to identify records being of the same tnt
+     */
+    private final UUID tntId;
+
     /**
      * Whether this is a record of a tnt explosion or an entity
      */
@@ -59,7 +66,8 @@ public class TNTRecord {
      */
     private final List<TNTRecord> history;
 
-    public TNTRecord(TNTPrimed tnt, boolean explosion, long ticksSinceStart, List<TNTRecord> history){
+    public TNTRecord(UUID tntId, TNTPrimed tnt, boolean explosion, long ticksSinceStart, List<TNTRecord> history){
+        this.tntId = tntId;
         this.explosion = explosion;
         this.ticksSinceStart = ticksSinceStart;
         fuse = tnt.getFuseTicks();

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

@@ -81,7 +81,10 @@ public class Trace {
         newRecords.add(records);
     }
 
-    protected void comitAdd(){
+    /**
+     * Commits the additions made to this trace and updates active renders of this trace
+     */
+    protected void commitAdd(){
         records.addAll(newRecords);
 
         for(Player player: serverMap.keySet()){