Made trace clear region wise

Signed-off-by: D4rkr34lm <darth.m.frohn@gmail.com>

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

@@ -131,14 +131,13 @@ public class TraceCommand extends SWCommand {
         BauSystem.MESSAGE.send("TRACE_MESSAGE_HIDE", player);
     }
 
-    @Register(value = "delete", description = "TRACE_COMMAND_HELP_DELETE")
     @Register(value = "clear")
-    public void delete(@Validator Player player) {
-        TraceManager.instance.clear();
-        BauSystem.MESSAGE.send("TRACE_MESSAGE_DELETE", player);
+    public void clear(@Validator Player player) {
+        TraceManager.instance.clear(Region.getRegion(player.getLocation()));
+        BauSystem.MESSAGE.send("TRACE_MESSAGE_CLEAR", player);
     }
 
-    @Register(value = "delete")
+    @Register(value = "delete", description = "TRACE_MESSAGE_DELETE")
     public void delete(@Validator Player player, Trace trace) {
         TraceManager.instance.remove(trace);
         BauSystem.MESSAGE.send("TRACE_MESSAGE_DELETE_SPECIFIC", player);

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

@@ -131,11 +131,9 @@ public class TraceManager implements Listener {
     /**
      * Clears all traces
      */
-    public void clear() {
-        showDataPerRegionPerPlayer.values()
-                .stream()
-                .flatMap(map -> map.entrySet().stream())
-                .map(Map.Entry::getKey)
+    public void clear(Region region) {
+        showDataPerRegionPerPlayer.getOrDefault(region, new HashMap<>())
+                .keySet()
                 .forEach(player -> {
                     Set<Player> players = followerMap.getOrDefault(player, Collections.emptySet());
                     traces.values().forEach(trace -> {
@@ -143,13 +141,14 @@ public class TraceManager implements Listener {
                         players.forEach(trace::hide);
                     });
                 });
-        traces.forEach((i, trace) -> {
-            trace.getMetadataSaveFile().delete();
-            trace.getRecordsSaveFile().delete();
-        });
-        traces.clear();
-        tracesByRegion.clear();
-        nextOpenId = 0;
+        tracesByRegion.getOrDefault(region, new HashMap<>())
+                .forEach((i, trace) -> {
+                    if (trace.getRegion() != region) return;
+                    traces.remove(i);
+                    trace.getMetadataSaveFile().delete();
+                    trace.getRecordsSaveFile().delete();
+                });
+        tracesByRegion.getOrDefault(region, new HashMap<>()).clear();
     }
 
     /**