Added Micromotion view Flag

BauSystem_Main/src/de/steamwar/bausystem/features/tracer/rendering/ViewFlag.java

@@ -28,9 +28,7 @@ import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.util.Vector;
 
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
+import java.util.*;
 import java.util.function.BiConsumer;
 import java.util.function.UnaryOperator;
 import java.util.stream.Collectors;
@@ -46,7 +44,7 @@ public abstract class ViewFlag {
      */
     public static final List<ViewFlag> inverseFlags = new ArrayList<>();
 
-    public static ViewFlag EXPLOSION = new ViewFlag(true, false,"explosionOnly") {
+    public static ViewFlag EXPLOSION = new ViewFlag(true, false,"explosion") {
         @Override
         public List<TNTRecord> filter(List<TNTRecord> records) {
             return records.stream()
@@ -106,6 +104,41 @@ public abstract class ViewFlag {
         public void modify(REntityServer server, List<TraceEntity> entities) {}
     };
 
+    public static ViewFlag MICROMOTION = new ViewFlag(true, false, "micromotion") {
+        @Override
+        public List<TNTRecord> filter(List<TNTRecord> records) {
+            Set<UUID> seen = new HashSet<>();
+            Set<TNTRecord> toRemove = new HashSet<>();
+
+            for(TNTRecord uniqueRecord: records){
+                if(seen.contains(uniqueRecord.getTntId())) continue;
+
+                boolean hasMicromotion = false;
+                for(TNTRecord record: uniqueRecord.getHistory()){
+                    Vector velocity = record.getVelocity();
+                    if(velocity.getY() == 0 && (Math.abs(velocity.getX()) < 0.001 || Math.abs(velocity.getZ()) < 0.001)){
+                        hasMicromotion = true;
+                        break;
+                    }
+                }
+
+                if(!hasMicromotion)
+                    toRemove.add(uniqueRecord);
+
+                seen.add(uniqueRecord.getTntId());
+            }
+
+            for(TNTRecord record: toRemove){
+                records.removeAll(record.getHistory());
+            }
+
+            return  records;
+        }
+
+        @Override
+        public void modify(REntityServer server, List<TraceEntity> entities) {}
+    };
+
     public static ViewFlag ADVANCED = new ViewFlag(true, false, "advanced") {
         @Override
         public List<TNTRecord> filter(List<TNTRecord> records) {return records;}