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

@@ -43,12 +43,12 @@ public class Recorder implements Listener {
     public TraceManager manager;
 
     /**
-     * Map for all traces beeing activly recorded
+     * Map for all traces being actively recorded
      */
     private final Map<Region, Trace> activeTraces = new HashMap<>();
 
     /**
-     * Map for all tnts being traced, by region
+     * Map for all TNTs being traced, by region
      */
     private final Map<Region, List<TNTPrimed>> trackedTNT = new HashMap<>();
 
@@ -58,22 +58,39 @@ public class Recorder implements Listener {
     private final Map<TNTPrimed, Region> tntSpawnRegion = new HashMap<>();
 
     /**
-     * Maps a tracked tnt entity to the last record taken of it
+     * Maps a tracked tnt entity to its entire recording history
      */
     private final Map<TNTPrimed, List<TNTRecord>> historyMap = new HashMap<>();
 
+    /**
+     * Regions where auto-trace is enabled
+     */
+    private final Set<Region> autoTraceRegions = new HashSet<>();
+
     public Recorder(){
         BauSystem.runTaskTimer(BauSystem.getInstance(), this::record, 0, 1);
     }
 
+    /** Toggles auto trace for the given region
+     *
+     * @param region
+     */
+    public void toggleAutoTrace(Region region) {
+        if (autoTraceRegions.contains(region))
+            autoTraceRegions.remove(region);
+        else
+            autoTraceRegions.add(region);
+    }
+
     /** Starts a recording at the given region
      *
      *  @param region region to be recorded
+     *  @
      */
-    public int startRecording(Region region){
+    public void startRecording(Region region){
+        if(activeTraces.containsKey(region)) return;
         Trace trace = new Trace(region);
         activeTraces.put(region, trace);
-        return manager.add(trace);
     }
 
     /** Stops the recording at the given region
@@ -81,7 +98,8 @@ public class Recorder implements Listener {
      * @param region region to stop recording
      */
     public void stopRecording(Region region){
-        Trace trace = activeTraces.get(region);
+        Trace trace = activeTraces.getOrDefault(region, null);
+        if (trace == null) return;
         trace.setRecords(Collections.unmodifiableList(trace.getRecords()));
 
         activeTraces.remove(region);
@@ -136,6 +154,10 @@ public class Recorder implements Listener {
        if(!(event.getEntity() instanceof TNTPrimed)) return;
 
        Region region = Region.getRegion(event.getLocation());
+
+       if(autoTraceRegions.contains(region) && !activeTraces.containsKey(region))
+           startRecording(region);
+
        if(activeTraces.containsKey(region)){
            //Check whether set for tracking already exists. Creating it if necessary
            if(!trackedTNT.containsKey(region))

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

@@ -29,33 +29,24 @@ import java.util.stream.Collectors;
 @Linked
 public class TraceManager implements Listener {
     /**
-     * Map of all current traces
+     * List of all current traces
      */
-    private final Map<Integer, Trace> traces = new HashMap<>();
+    private final List<Trace> traces = new ArrayList<>();
-
-    /**
-     * Utility variable to keep track of the next open trace id
-     */
-    private int currOpenId = 0;
 
     /** Adds a new trace to the global record
      *
      * @param trace Trace to be added
-     * @return id of the newly added trace
      */
-    protected int add(Trace trace){
+    protected void add(Trace trace){
-        int id = currOpenId;
+        traces.add(trace);
-        traces.put(id, trace);
-        currOpenId++;
-        return id;
     }
 
     /** Removes the trace with the given id
      *
-     * @param id Id of the trace to be removed
+     * @param index index of the trace to be removed
      */
-    public void remove(int id){
+    public void remove(int index){
-        traces.remove(id);
+        traces.remove(index);
     }
 
     /** Clears all traces
@@ -63,7 +54,6 @@ public class TraceManager implements Listener {
      */
     public void clear(){
         traces.clear();
-        currOpenId = 0;
     }
 
     /** Methode to get all traces in a certain region
@@ -72,21 +62,19 @@ public class TraceManager implements Listener {
      * @return All traces recorded in the given Region
      */
     public Set<Trace> get(Region region){
-        return traces.values()
+        return traces.stream()
-                .stream()
                 .filter((Trace trace) -> trace.getRegion() == region)
                 .collect(Collectors.toSet());
     }
 
     /** Methode to get the trace with specific id
      *
-     * @param id id of the trace
+     * @param index index of the trace
      * @return the trace with given id or null if no trace with id is found
      */
-    public Optional<Trace> get(int id){
+    public Optional<Trace> get(int index){
-        Trace ret = traces.get(id);
+        if(index < traces.size())
-        if(traces.containsKey(id))
+            return  Optional.of(traces.get(index));
-            return  Optional.of(traces.get(id));
         return Optional.empty();
     }
 
@@ -94,7 +82,7 @@ public class TraceManager implements Listener {
      *
      * @return fresh set of all current traces
      */
-    public Set<Trace> getAll(){
+    public List<Trace> getAll(){
-        return new HashSet<>(traces.values());
+        return new ArrayList<>(traces);
     }
 }