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

@@ -53,8 +53,8 @@ public class Recorder implements Listener {
      */
     private final Map<Region, List<TNTPrimed>> trackedTNT = new HashMap<>();
 
-    /** Map from TNT to Region the TNT spawned in
+    /**
-     *
+     * Map from TNT to Region the TNT spawned in
      */
     private final Map<TNTPrimed, Region> tntSpawnRegion = new HashMap<>();
 
@@ -78,41 +78,44 @@ public class Recorder implements Listener {
      */
     private final Set<Region> autoTraceRegions = new HashSet<>();
 
-    public Recorder(){
+    public Recorder() {
         BauSystem.runTaskTimer(BauSystem.getInstance(), () -> {
             record();
             checkForAutoTraceFinish();
         }, 0, 1);
     }
 
-    /** Toggles auto trace for the given region
+    /**
+     * Toggles auto trace for the given region
      *
      * @param region
      */
     public void toggleAutoTrace(Region region) {
-        if (autoTraceRegions.contains(region))
+        if (autoTraceRegions.contains(region)) {
             autoTraceRegions.remove(region);
-        else
+        } else {
             autoTraceRegions.add(region);
+        }
     }
 
-    /** Makes checks for whether auto traces finished
+    /**
-     *
+     * Makes checks for whether auto traces finished
      */
-    public void checkForAutoTraceFinish(){
+    public void checkForAutoTraceFinish() {
-        for(Region region: autoTraceRegions) {
+        for (Region region : autoTraceRegions) {
             if (autoTraceRegions.contains(region) && trackedTNT.getOrDefault(region, Collections.emptyList()).size() == 0) {
                 stopRecording(region);
             }
         }
     }
 
-    /** Starts a recording at the given region
+    /**
+     * Starts a recording at the given region
      *
-     *  @param region region to be recorded
+     * @param region region to be recorded
      */
-    public int startRecording(Region region){
+    public int startRecording(Region region) {
-        if(activeTraces.containsKey(region)) return -1;
+        if (activeTraces.containsKey(region)) return -1;
         Trace trace = new Trace(region);
         noExplosionRecorded.add(trace);
         activeTraces.put(region, trace);
@@ -120,100 +123,110 @@ public class Recorder implements Listener {
         return manager.add(trace);
     }
 
-    /** Stops the recording at the given region
+    /**
+     * Stops the recording at the given region
      *
      * @param region region to stop recording
      */
-    public void stopRecording(Region region){
+    public void stopRecording(Region region) {
         Trace trace = activeTraces.getOrDefault(region, null);
         if (trace == null) return;
         trace.setRecords(Collections.unmodifiableList(trace.getRecords()));
 
         noExplosionRecorded.remove(trace);
         activeTraces.remove(region);
-        for(TNTPrimed tnt : trackedTNT.getOrDefault(region, Collections.emptyList()))
+        for (TNTPrimed tnt : trackedTNT.getOrDefault(region, Collections.emptyList())) {
             historyMap.remove(tnt);
+        }
 
         recordsToAddMap.remove(trace);
         trackedTNT.put(region, new ArrayList<>());
     }
 
-    /** Internal methode to record all tracked TNT Entities
+    /**
-     *
+     * Internal methode to record all tracked TNT Entities
      */
-   private void record(){
+    private void record() {
-        for(Region region : activeTraces.keySet()){
+        for (Region region : activeTraces.keySet()) {
             Trace trace = activeTraces.get(region);
 
-            for(TNTPrimed tnt : trackedTNT.getOrDefault(region, Collections.emptyList())){
+            for (TNTPrimed tnt : trackedTNT.getOrDefault(region, Collections.emptyList())) {
                 record(tnt, trace, Collections.emptyList());
             }
             trace.addAll(recordsToAddMap.get(trace));
             recordsToAddMap.get(trace).clear();
         }
-   }
+    }
 
-    /** Internal methode to record exploded tnt
+    /**
+     * Internal methode to record exploded tnt
      *
      * @param tntPrimed tnt exploding
-     * @param trace trace to record the tnt for
+     * @param trace     trace to record the tnt for
      */
-   private void record(TNTPrimed tntPrimed, Trace trace, List<Block> destroyedBlocks){
+    private void record(TNTPrimed tntPrimed, Trace trace, List<Block> destroyedBlocks) {
-       List<TNTRecord> history = historyMap.getOrDefault(tntPrimed, new ArrayList<>());
+        List<TNTRecord> history = historyMap.getOrDefault(tntPrimed, new ArrayList<>());
-       int tntID;
+        int tntID;
 
-       if(history.size() == 0){
+        if (history.size() == 0) {
-           historyMap.put(tntPrimed, history);
+            historyMap.put(tntPrimed, history);
-           tntID = trace.getAndIncrementNextOpenRecordId();
+            tntID = trace.getAndIncrementNextOpenRecordId();
-       }
+        } else {
-       else
+            tntID = history.get(0).getTntId();
-           tntID = history.get(0).getTntId();
+        }
 
-       boolean isExplosion = tntPrimed.getFuseTicks() == 0;
+        boolean isExplosion = tntPrimed.getFuseTicks() == 0;
-       if(isExplosion)
+        if (isExplosion) {
-           noExplosionRecorded.remove(trace);
+            noExplosionRecorded.remove(trace);
-       boolean afterFirstExplosion = noExplosionRecorded.contains(trace);
+        }
+        boolean afterFirstExplosion = noExplosionRecorded.contains(trace);
 
-       TNTRecord record = new TNTRecord(tntID, tntPrimed, isExplosion, afterFirstExplosion, TPSUtils.currentTick.get() - trace.getStartTime(), history, destroyedBlocks);
+        TNTRecord record = new TNTRecord(tntID, tntPrimed, isExplosion, afterFirstExplosion, TPSUtils.currentTick.get() - trace.getStartTime(), history, destroyedBlocks);
-       history.add(record);
+        history.add(record);
 
-       recordsToAddMap.get(trace).add(record);
+        recordsToAddMap.get(trace).add(record);
-   }
+    }
 
-    /** Event for TNTs beeing spawn.
+    /**
+     * Event for TNTs beeing spawn.
      * Registers newly spawned TNT to be traced if reqired
+     *
      * @param event
      */
-   @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
+    @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
-   public void onTNTSpawn(EntitySpawnEvent event){
+    public void onTNTSpawn(EntitySpawnEvent event) {
-       if(!(event.getEntity() instanceof TNTPrimed)) return;
+        if (!(event.getEntity() instanceof TNTPrimed)) return;
 
-       Region region = Region.getRegion(event.getLocation());
+        Region region = Region.getRegion(event.getLocation());
 
-       if(autoTraceRegions.contains(region) && !activeTraces.containsKey(region))
+        if (autoTraceRegions.contains(region) && !activeTraces.containsKey(region)) {
-           startRecording(region);
+            startRecording(region);
+        }
 
-       if(activeTraces.containsKey(region)){
+        if (activeTraces.containsKey(region)) {
-           //Check whether set for tracking already exists. Creating it if necessary
+            // Check whether set for tracking already exists. Creating it if necessary
-           if(!trackedTNT.containsKey(region))
+            if (!trackedTNT.containsKey(region)) {
-               trackedTNT.put(region, new ArrayList<>());
+                trackedTNT.put(region, new ArrayList<>());
+            }
 
-           trackedTNT.get(region).add((TNTPrimed) event.getEntity());
+            trackedTNT.get(region).add((TNTPrimed) event.getEntity());
-           tntSpawnRegion.put((TNTPrimed) event.getEntity(), region);
+            tntSpawnRegion.put((TNTPrimed) event.getEntity(), region);
-           record((TNTPrimed) event.getEntity(), activeTraces.get(region), Collections.emptyList());
+            record((TNTPrimed) event.getEntity(), activeTraces.get(region), Collections.emptyList());
-       }
+        }
-   }
+    }
 
-    /** Event for TNTs exploding
+    /**
+     * Event for TNTs exploding
      * Unregisters TNTs from beeing traced on explode
+     *
      * @param event
      */
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
-    public void onTNTExplode(EntityExplodeEvent event){
+    public void onTNTExplode(EntityExplodeEvent event) {
-        if(!(event.getEntity() instanceof TNTPrimed)) return;
+        if (!(event.getEntity() instanceof TNTPrimed)) return;
 
         Region region = tntSpawnRegion.getOrDefault((TNTPrimed) event.getEntity(), null);
-        if(region == null) return;
+        if (region == null) return;
         trackedTNT.get(region).remove((TNTPrimed) event.getEntity());
         tntSpawnRegion.remove((TNTPrimed) event.getEntity());
 

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

@@ -30,7 +30,6 @@ import org.bukkit.util.Vector;
 
 import java.util.List;
 import java.util.Optional;
-import java.util.UUID;
 
 @Getter
 public class TNTRecord {
@@ -90,7 +89,7 @@ public class TNTRecord {
      */
     private final List<TNTRecord> history;
 
-    public TNTRecord(int tntId, TNTPrimed tnt, boolean explosion, boolean afterFirstExplosion, long ticksSinceStart, List<TNTRecord> history, List<Block> destroyedBlocks){
+    public TNTRecord(int tntId, TNTPrimed tnt, boolean explosion, boolean afterFirstExplosion, long ticksSinceStart, List<TNTRecord> history, List<Block> destroyedBlocks) {
         this.tntId = tntId;
         this.explosion = explosion;
         this.inWater = tnt.isInWater();
@@ -103,26 +102,26 @@ public class TNTRecord {
 
         boolean buildDestroy = false;
         boolean testblockDestroy = false;
-        for(Block destroyedBlock: destroyedBlocks){
+        for (Block destroyedBlock : destroyedBlocks) {
-            if (Region.getRegion(destroyedBlock.getLocation()).inRegion(destroyedBlock.getLocation(), RegionType.BUILD, RegionExtensionType.EXTENSION))
+            if (Region.getRegion(destroyedBlock.getLocation()).inRegion(destroyedBlock.getLocation(), RegionType.BUILD, RegionExtensionType.EXTENSION)) {
                 buildDestroy = true;
-            if (Region.getRegion(destroyedBlock.getLocation()).inRegion(destroyedBlock.getLocation(), RegionType.TESTBLOCK, RegionExtensionType.EXTENSION))
+            }
+            if (Region.getRegion(destroyedBlock.getLocation()).inRegion(destroyedBlock.getLocation(), RegionType.TESTBLOCK, RegionExtensionType.EXTENSION)) {
                 testblockDestroy = true;
+            }
         }
 
         destroyedBuildArea = buildDestroy;
         destroyedTestBlock = testblockDestroy;
     }
 
-    public Optional<TNTRecord> getNext(){
+    public Optional<TNTRecord> getNext() {
         int index = history.indexOf(this);
-
         return index == history.size() - 1 ? Optional.empty() : Optional.of(history.get(index + 1));
     }
 
-    public Optional<TNTRecord> getPrevious(){
+    public Optional<TNTRecord> getPrevious() {
         int index = history.indexOf(this);
-
         return index == 0 ? Optional.empty() : Optional.of(history.get(index - 1));
     }
 
@@ -139,12 +138,11 @@ public class TNTRecord {
 
     @Override
     public boolean equals(Object obj) {
-        if(!(obj instanceof TNTRecord)) return false;
+        if (!(obj instanceof TNTRecord)) return false;
         TNTRecord record = (TNTRecord) obj;
-
+        if (record.isExplosion() != explosion) return false;
-        if(record.isExplosion() != explosion) return false;
+        if (!record.getLocation().equals(location)) return false;
-        if(!record.getLocation().equals(location)) return false;
+        if (!record.getVelocity().equals(velocity)) return false;
-        if(!record.getVelocity().equals(velocity)) return false;
         return true;
     }
 }

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

@@ -23,8 +23,8 @@ import de.steamwar.bausystem.features.tpslimit.TPSUtils;
 import de.steamwar.bausystem.features.tracer.rendering.BundleFilter;
 import de.steamwar.bausystem.features.tracer.rendering.TraceEntity;
 import de.steamwar.bausystem.features.tracer.rendering.ViewFlag;
-import de.steamwar.bausystem.features.tracer.rendering.dynamicFlags.AtFlag;
+import de.steamwar.bausystem.features.tracer.rendering.dynamicflags.AtFlag;
-import de.steamwar.bausystem.features.tracer.rendering.dynamicFlags.IsolateFlag;
+import de.steamwar.bausystem.features.tracer.rendering.dynamicflags.IsolateFlag;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.entity.REntityServer;
 import lombok.Getter;
@@ -79,15 +79,16 @@ public class Trace {
      */
     private final Map<Player, ViewFlag[]> viewFlagMap = new HashMap<>();
 
-    public Trace (Region region){
+    public Trace(Region region) {
         this.region = region;
     }
 
     /**
      * Gets and increments the next open record id
+     *
      * @return next open record id
      */
-    protected int getAndIncrementNextOpenRecordId(){
+    protected int getAndIncrementNextOpenRecordId() {
         nextOpenRecordId++;
         usedIds.add(Integer.toString(nextOpenRecordId));
         return nextOpenRecordId;
@@ -96,10 +97,10 @@ public class Trace {
     /**
      * Adds the given records and updates potential trace renderings
      */
-    protected void addAll(List<TNTRecord> records){
+    protected void addAll(List<TNTRecord> records) {
         this.records.addAll(records);
 
-        for(Player player: serverMap.keySet()){
+        for (Player player : serverMap.keySet()) {
             REntityServer server = serverMap.get(player);
             BundleFilter bundleFilter = bundleFilterMap.get(player);
             ViewFlag[] viewFlags = viewFlagMap.get(player);
@@ -108,36 +109,39 @@ public class Trace {
         }
     }
 
-    /** Internal methode to make records immutable after recording is finished
+    /**
+     * Internal methode to make records immutable after recording is finished
      *
      * @param records immutable records list
      */
-    protected void setRecords(List<TNTRecord> records){
+    protected void setRecords(List<TNTRecord> records) {
         this.records = records;
     }
 
-    /** Gets the historys of all tnts in this trace
+    /**
+     * Gets the historys of all tnts in this trace
      *
      * @return the historys of this trace
      */
     public Set<List<TNTRecord>> getHistories() {
         Set<List<TNTRecord>> histories = new HashSet<>();
 
-        for(TNTRecord record: records) {
+        for (TNTRecord record : records) {
             histories.add(record.getHistory());
         }
 
         return histories;
     }
 
-    /** Renders this traces
+    /**
+     * Renders this traces
      *
-     * @param  player The player the trace is rendered to
+     * @param player       The player the trace is rendered to
-     * @param flags Flags modefieing the rendering
+     * @param flags        Flags modefieing the rendering
      * @param bundleFilter Filter to determin bundeling of records
      */
-    public void render(Player player, ViewFlag[] flags, BundleFilter bundleFilter){
+    public void render(Player player, ViewFlag[] flags, BundleFilter bundleFilter) {
-        if(serverMap.containsKey(player)){
+        if (serverMap.containsKey(player)) {
             REntityServer server = serverMap.get(player);
             server.close();
 
@@ -156,15 +160,16 @@ public class Trace {
         render(server, records, flags, bundleFilter);
     }
 
-    /** Internal methode to render records to a REntityServer
+    /**
+     * Internal methode to render records to a REntityServer
      *
-     * @param server Server to render to
+     * @param server       Server to render to
-     * @param records Records to render
+     * @param records      Records to render
-     * @param flags Flags modefieing the rendering
+     * @param flags        Flags modefieing the rendering
      * @param bundleFilter Filter to determin bundeling of records
      */
-    private void render(REntityServer server, List<TNTRecord> records, ViewFlag[] flags, BundleFilter bundleFilter){
+    private void render(REntityServer server, List<TNTRecord> records, ViewFlag[] flags, BundleFilter bundleFilter) {
-        if(records.size() == 0) return;
+        if (records.isEmpty()) return;
 
         List<TNTRecord> workingRecords = records;
 
@@ -184,7 +189,7 @@ public class Trace {
         });
 
         //Apply filters
-        for(ViewFlag flag : flagList) {
+        for (ViewFlag flag : flagList) {
             workingRecords = flag.filter(workingRecords);
         }
 
@@ -194,18 +199,18 @@ public class Trace {
         //Render bundled records
         List<TraceEntity> entities = new LinkedList<>();
 
-        for(List<TNTRecord> bundle : bundles) {
+        for (List<TNTRecord> bundle : bundles) {
             entities.add(new TraceEntity(server, bundle.get(0).getLocation(), bundle.get(0).isExplosion(), bundle));
         }
 
         //Apply modifiers
-        for(ViewFlag flag : flags) {
+        for (ViewFlag flag : flags) {
             flag.modify(server, entities);
         }
 
         server.setCallback(((player, rEntity, entityAction) -> {
-            for(TraceEntity entity: entities){
+            for (TraceEntity entity : entities) {
-                if(((TraceEntity) rEntity).equals(entity)){
+                if (rEntity.equals(entity)) {
                     entity.printIntoChat(player);
                     return;
                 }
@@ -213,23 +218,24 @@ public class Trace {
         }));
     }
 
-    /** Bundles the passed TNTRecords based on whether they are at the same location
+    /**
+     * Bundles the passed TNTRecords based on whether they are at the same location
      *
      * @param records The TNTRecords that are supposed to be bundled
      * @return A list of bundles
      */
-    private List<List<TNTRecord>> bundleRecords(List<TNTRecord> records, BundleFilter filter){
+    private List<List<TNTRecord>> bundleRecords(List<TNTRecord> records, BundleFilter filter) {
         List<List<TNTRecord>> bundles = new ArrayList<>();
 
         recordsLoop:
         for (TNTRecord record : records) {
-            if(bundles.isEmpty()){
+            if (bundles.isEmpty()) {
                 List<TNTRecord> firstBundle = new ArrayList<>();
                 firstBundle.add(record);
                 bundles.add(firstBundle);
             }
 
-            for(int i = bundles.size() - 1; i >= 0; i--){
+            for (int i = bundles.size() - 1; i >= 0; i--) {
                 List<TNTRecord> bundle = bundles.get(i);
 
                 Boolean filterResult = filter.function.apply(record, bundle.get(0));
@@ -248,15 +254,16 @@ public class Trace {
     }
 
 
-    /** Modifies the render for the given player, to only show tnts at the given time interval
+    /**
+     * Modifies the render for the given player, to only show tnts at the given time interval
      *
      * @param player
-     * @param from start of time interval
+     * @param from   start of time interval
-     * @param to end of time interval
+     * @param to     end of time interval
      */
-    public void renderAt(Player player, int from, int to){
+    public void renderAt(Player player, int from, int to) {
         ViewFlag[] viewFlags = viewFlagMap.get(player);
-        if(viewFlags == null) return;
+        if (viewFlags == null) return;
 
         AtFlag atFlag = null;
         atFlag = Stream.of(viewFlags)
@@ -265,10 +272,9 @@ public class Trace {
                 .findFirst()
                 .orElse(null);
 
-        if(atFlag != null){
+        if (atFlag != null) {
             atFlag.update(from, to);
-        }
+        } else {
-        else {
             atFlag = new AtFlag(from, to);
             viewFlags = Arrays.copyOf(viewFlags, viewFlags.length + 1);
             viewFlags[viewFlags.length - 1] = atFlag;
@@ -277,16 +283,17 @@ public class Trace {
         render(player, viewFlags, BundleFilter.STRICT);
     }
 
-    /** Toggles the isolated render for the given records and player
+    /**
+     * Toggles the isolated render for the given records and player
      *
-     * @param player the player the trace is shown to
+     * @param player  the player the trace is shown to
      * @param records the record for which isolation is toggled
      */
-    public void isolate(Player player, TNTRecord... records){
+    public void isolate(Player player, TNTRecord... records) {
         IsolateFlag isolationFlag = null;
 
         ViewFlag[] viewFlags = viewFlagMap.get(player);
-        if(viewFlags != null) {
+        if (viewFlags != null) {
             isolationFlag = Stream.of(viewFlags)
                     .filter(IsolateFlag.class::isInstance)
                     .map(IsolateFlag.class::cast)
@@ -302,46 +309,50 @@ public class Trace {
         }
         viewFlags[0] = isolationFlag;
 
-        for(TNTRecord record: records)
+        for (TNTRecord record : records) {
             isolationFlag.toggleId(record.getTntId());
+        }
 
         render(player, viewFlags, BundleFilter.STRICT);
     }
 
-    /**Makes the first passed player follow the trace render of the second passed player
+    /**
+     * Makes the first passed player follow the trace render of the second passed player
      *
      * @param player
      * @param toFollow
      */
-    public void follow(Player player, Player toFollow){
+    public void follow(Player player, Player toFollow) {
-        for(REntityServer server :serverMap.values()){
+        for (REntityServer server : serverMap.values()) {
             server.removePlayer(player);
         }
 
         serverMap.get(toFollow).addPlayer(player);
     }
 
-    /** Makes the passed player stop following any other players trace render
+    /**
+     * Makes the passed player stop following any other players trace render
      *
      * @param player
      */
-    public void unfollow(Player player){
+    public void unfollow(Player player) {
-        for(REntityServer server :serverMap.values()){
+        for (REntityServer server : serverMap.values()) {
             server.removePlayer(player);
         }
 
-        if(serverMap.get(player) != null){
+        if (serverMap.get(player) != null) {
             serverMap.get(player).addPlayer(player);
         }
     }
 
-    /** Hides this trail for the given player
+    /**
+     * Hides this trail for the given player
      *
      * @param player
      */
-    public void hide(Player player){
+    public void hide(Player player) {
         REntityServer server = serverMap.get(player);
-        if(server == null) return;
+        if (server == null) return;
 
         bundleFilterMap.remove(player);
         viewFlagMap.remove(player);

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

@@ -21,21 +21,19 @@ package de.steamwar.bausystem.features.tracer;
 
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.features.tracer.rendering.BundleFilter;
-import de.steamwar.bausystem.features.tracer.rendering.TraceEntity;
 import de.steamwar.bausystem.features.tracer.rendering.ViewFlag;
-import de.steamwar.bausystem.features.tracer.rendering.dynamicFlags.IsolateFlag;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.command.PreviousArguments;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeMapper;
-import de.steamwar.command.TypeValidator;
-import de.steamwar.entity.REntityServer;
 import de.steamwar.linkage.Linked;
 import de.steamwar.linkage.LinkedInstance;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -46,96 +44,96 @@ public class TraceCommand extends SWCommand {
     public Recorder recorder;
     @LinkedInstance
     public TraceManager manager;
-    public TraceCommand(){super("trace", "trail");}
+
+    public TraceCommand() {
+        super("trace", "trail");
+    }
 
     @Register(value = "start", description = "TRACE_COMMAND_HELP_START")
-    public void start(Player player){
+    public void start(@Validator Player player) {
         Region region = Region.getRegion(player.getLocation());
         recorder.startRecording(region);
         BauSystem.MESSAGE.send("TRACE_MESSAGE_START", player);
     }
 
     @Register(value = "stop", description = "TRACE_COMMAND_HELP_STOP")
-    public void stop(Player player){
+    public void stop(@Validator Player player) {
         Region region = Region.getRegion(player.getLocation());
         recorder.stopRecording(region);
         BauSystem.MESSAGE.send("TRACE_MESSAGE_STOP", player);
     }
 
     @Register(value = "auto", description = "TRACE_COMMAND_HELP_SHOW")
-    public void auto (Player player) {
+    public void auto(@Validator Player player) {
         Region region = Region.getRegion(player.getLocation());
         recorder.toggleAutoTrace(region);
     }
 
     @Register(value = "show", description = "TRACE_COMMAND_HELP_SHOW")
-    public void show(Player player, @OptionalValue("STRICT") BundleFilter filter, ViewFlag... flags){
+    public void show(@Validator Player player, @OptionalValue("STRICT") BundleFilter filter, ViewFlag... flags) {
         manager.show(player, flags, filter);
         BauSystem.MESSAGE.send("TRACE_MESSAGE_SHOW", player);
     }
 
     @Register(value = "hide", description = "TRACE_COMMAND_HELP_SHOW")
-    public void hide(Player player){
+    public void hide(@Validator Player player) {
         manager.hide(player);
         BauSystem.MESSAGE.send("TRACE_MESSAGE_HIDE", player);
     }
 
     @Register(value = "delete", description = "TRACE_COMMAND_HELP_SHOW")
-    public void delete(Player player){
+    public void delete(@Validator Player player) {
         manager.clear();
     }
 
     @Register(value = "delete", description = "TRACE_COMMAND_HELP_SHOW")
-    public void delete(Player player, int id){
+    public void delete(@Validator Player player, int id) {
         manager.remove(id);
     }
 
     @Register(value = "isolate", description = "TRACE_COMMAND_HELP_SHOW")
-    public void isolate(Player player, Trace trace,  @ErrorMessage("TRACE_RECORD_ID_INVALID") TNTRecord... records){
+    public void isolate(@Validator Player player, Trace trace, @ErrorMessage("TRACE_RECORD_ID_INVALID") TNTRecord... records) {
         trace.isolate(player, records);
     }
 
-    @Register(value="at", description = "TRACE_COMMAND_HELP_SHOW")
+    @Register(value = "at", description = "TRACE_COMMAND_HELP_SHOW")
-    public void at(Player player, int start, int end){
+    public void at(@Validator Player player, int start, int end) {
-        for(Trace trace: manager.getAll()){
+        for (Trace trace : manager.getAll()) {
             trace.renderAt(player, start, end);
         }
     }
-    @Register(value="share", description = "TRACE_COMMAND_HELP_SHOW")
+
-    public void share(Player player){
+    @Register(value = "share", description = "TRACE_COMMAND_HELP_SHOW")
+    public void share(@Validator Player player) {
         //TODO Rücksprache
     }
 
-    @Register(value="follow", description = "TRACE_COMMAND_HELP_SHOW")
+    @Register(value = "follow", description = "TRACE_COMMAND_HELP_SHOW")
-    public void follow(Player player, Player toFollow){
+    public void follow(@Validator Player player, Player toFollow) {
-        for(Trace trace: manager.getAll()){
+        for (Trace trace : manager.getAll()) {
             trace.follow(player, toFollow);
         }
     }
 
-    @Register(value="unfollow", description = "TRACE_COMMAND_HELP_SHOW")
+    @Register(value = "unfollow", description = "TRACE_COMMAND_HELP_SHOW")
-    public void unfollow(Player player){
+    public void unfollow(@Validator Player player) {
-        for(Trace trace: manager.getAll()){
+        for (Trace trace : manager.getAll()) {
             trace.unfollow(player);
         }
     }
 
     @ClassMapper(value = Trace.class, local = true)
-    public TypeMapper<Trace> traceClassMapper(){
+    public TypeMapper<Trace> traceClassMapper() {
-        return new TypeMapper<Trace>() {
+        return new TypeMapper<>() {
             @Override
             public Trace map(CommandSender commandSender, String[] previousArguments, String s) {
-                int id = Integer.parseInt(s);
+                return manager.get(Integer.parseInt(s)).orElse(null);
-
-                Optional<Trace> trace = manager.get(id);
-
-                return trace.orElse(null);
             }
 
             @Override
             public Collection<String> tabCompletes(CommandSender sender, PreviousArguments previousArguments, String s) {
                 return manager.getAllIds().stream()
-                        .map(id -> id.toString())
+                        .map(Object::toString)
                         .collect(Collectors.toList());
             }
         };
@@ -143,14 +141,13 @@ public class TraceCommand extends SWCommand {
 
     @ClassMapper(value = TNTRecord.class, local = true)
     public TypeMapper<TNTRecord> recordMapper() {
-        return new TypeMapper<TNTRecord>() {
+        return new TypeMapper<>() {
             @Override
             public TNTRecord map(CommandSender commandSender, PreviousArguments previousArguments, String s) {
                 Trace trace = previousArguments.getFirst(Trace.class).orElse(null);
-                if(trace == null) return null;
+                if (trace == null) return null;
 
                 int id = Integer.parseInt(s);
-
                 return trace.getRecords().stream()
                         .filter(record -> record.getTntId() == id)
                         .findFirst()
@@ -161,8 +158,7 @@ public class TraceCommand extends SWCommand {
             @Override
             public Collection<String> tabCompletes(CommandSender sender, PreviousArguments previousArguments, String s) {
                 Trace trace = previousArguments.getFirst(Trace.class).orElse(null);
-                if(trace == null) return null;
+                if (trace == null) return null;
-
                 return trace.getUsedIds();
             }
         };
@@ -170,20 +166,22 @@ public class TraceCommand extends SWCommand {
 
     @ClassMapper(value = BundleFilter.class, local = true)
     public TypeMapper<BundleFilter> bundleFilterClassMapper() {
-        return new TypeMapper<BundleFilter>() {
+        return new TypeMapper<>() {
             @Override
             public BundleFilter map(CommandSender commandSender, String[] previousArguments, String s) {
-                for(BundleFilter filter: BundleFilter.values()) {
+                for (BundleFilter filter : BundleFilter.values()) {
-                    if (s.equals(filter.toString()))
+                    if (s.equals(filter.toString())) {
                         return filter;
+                    }
                 }
                 return null;
             }
 
             @Override
             public Collection<String> tabCompletes(CommandSender sender, PreviousArguments previousArguments, String s) {
-                if(s.length() == 0)
+                if (s.length() == 0) {
                     return new ArrayList<>();
+                }
 
                 return Arrays.stream(BundleFilter.values())
                         .map(Enum::toString)
@@ -193,20 +191,24 @@ public class TraceCommand extends SWCommand {
     }
 
     @ClassMapper(value = ViewFlag.class, local = true)
-    public TypeMapper<ViewFlag> viewFlagClassMapper () {
+    public TypeMapper<ViewFlag> viewFlagClassMapper() {
         return new TypeMapper<ViewFlag>() {
             @Override
             public ViewFlag map(CommandSender commandSender, String[] previousArguments, String s) {
-                for(ViewFlag flag: ViewFlag.flags) {
+                for (ViewFlag flag : ViewFlag.flags) {
-                    if (s.equals("--" + flag.name))
+                    if (s.equals("--" + flag.name)) {
                         return flag;
+                    }
 
-                    for(String alias: flag.aliases)
+                    for (String alias : flag.aliases) {
-                        if (s.equals("-" + alias))
+                        if (s.equals("-" + alias)) {
                             return flag;
+                        }
+                    }
                 }
                 return null;
             }
+
             @Override
             public Collection<String> tabCompletes(CommandSender sender, PreviousArguments previousArguments, String s) {
                 return ViewFlag.flags.stream()

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

@@ -24,9 +24,7 @@ import de.steamwar.bausystem.features.tracer.rendering.ViewFlag;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.linkage.Linked;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
-import org.bukkit.event.player.PlayerQuitEvent;
 
 import java.util.*;
 import java.util.stream.Collectors;
@@ -53,79 +51,92 @@ public class TraceManager implements Listener {
      */
     private int nextOpenId = 0;
 
-    /** Adds a new trace to the global record
+    /**
+     * Adds a new trace to the global record
      *
      * @param trace Trace to be added
      * @return id of the created trace
      */
-    protected int add(Trace trace){
+    protected int add(Trace trace) {
-        for(Player player: viewFlagMap.keySet())
+        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
+    /**
+     * Removes the trace with the given id
      *
      * @param id id of the trace to be removed
      */
-    public boolean remove(int id){
+    public boolean remove(int id) {
-        if(id >= nextOpenId) return false;
+        if (id >= nextOpenId) return false;
-        if(traces.get(id) == null) return false;
+        if (traces.get(id) == null) return false;
-        for(Player player: viewFlagMap.keySet())
+        for (Player player : viewFlagMap.keySet()) {
             traces.get(id).hide(player);
+        }
         traces.remove(id);
         return true;
     }
 
-    /** Clears all traces
+    /**
-     *
+     * Clears all traces
      */
-    public void clear(){
+    public void clear() {
-        for (Player player: viewFlagMap.keySet())
+        for (Player player : viewFlagMap.keySet()) {
-            for(Trace trace: traces.values())
+            for (Trace trace : traces.values()) {
                 trace.hide(player);
+            }
+        }
         traces.clear();
         nextOpenId = 0;
     }
 
-    /** Methode to get all traces in a certain region
+    /**
+     * Methode to get all traces in a certain region
      *
      * @param region Region to look for traces in
      * @return All traces recorded in the given Region
      */
-    public Set<Trace> get(Region region){
+    public Set<Trace> get(Region region) {
         return traces.values().stream()
                 .filter((Trace trace) -> trace.getRegion() == region)
                 .collect(Collectors.toSet());
     }
 
-    /** Methode to get the trace with specific id
+    /**
+     * Methode to get the trace with specific id
      *
      * @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 index){
+    public Optional<Trace> get(int index) {
-        if(index < traces.size())
+        if (index < traces.size()) {
-            return  Optional.of(traces.get(index));
+            return Optional.of(traces.get(index));
+        }
         return Optional.empty();
     }
 
-    /** Methode to get all traces
+    /**
+     * Methode to get all traces
      *
      * @return fresh list of all current traces
      */
-    public List<Trace> getAll(){
+    public List<Trace> getAll() {
         return new ArrayList<>(traces.values());
     }
 
     /**
      * @return all ids of active traces
      */
-    public Set<Integer> getAllIds(){return traces.keySet();}
+    public Set<Integer> getAllIds() {
+        return traces.keySet();
+    }
 
-    /** Toggles trace show on for player
+    /**
+     * Toggles trace show on for player
      *
      * @param player
      * @param viewFlags
@@ -135,17 +146,20 @@ public class TraceManager implements Listener {
         viewFlagMap.put(player, viewFlags);
         bundleFilterMap.put(player, bundleFilter);
 
-        for(Trace trace: traces.values())
+        for (Trace trace : traces.values()) {
             trace.render(player, viewFlags, bundleFilter);
+        }
     }
 
-    /** Toggles trace show of for player
+    /**
+     * Toggles trace show of for player
      *
      * @param player
      */
-    public void hide(Player player){
+    public void hide(Player player) {
-        for(Trace trace: traces.values())
+        for (Trace trace : traces.values()) {
             trace.hide(player);
+        }
 
         viewFlagMap.remove(player);
         bundleFilterMap.remove(player);

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

@@ -27,9 +27,6 @@ import lombok.Getter;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.Listener;
-import org.bukkit.event.entity.EntityInteractEvent;
 
 import java.util.List;
 
@@ -41,13 +38,13 @@ public class TraceEntity extends RFallingBlockEntity {
     @Getter
     private final List<TNTRecord> records;
 
-    public TraceEntity(REntityServer server, Location location, boolean isExplosion,  List<TNTRecord> records) {
+    public TraceEntity(REntityServer server, Location location, boolean isExplosion, List<TNTRecord> records) {
         super(server, location, isExplosion ? Material.RED_STAINED_GLASS : Material.TNT);
         setNoGravity(true);
         this.records = records;
     }
 
-    public void printIntoChat(Player player){
+    public void printIntoChat(Player player) {
         TNTRecord representative = records.get(0);
 
         BauSystem.MESSAGE.sendPrefixless("TNT_CLICK_HEADER", player);
@@ -62,9 +59,8 @@ public class TraceEntity extends RFallingBlockEntity {
 
     @Override
     public boolean equals(Object object) {
-        if(!(object instanceof TraceEntity)) return false;
+        if (!(object instanceof TraceEntity)) return false;
         TraceEntity entity = (TraceEntity) object;
-
         return records.get(0).equals(entity.getRecords().get(0));
     }
 }

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

@@ -43,28 +43,22 @@ public abstract class ViewFlag {
      */
     public static final List<ViewFlag> inverseFlags = new ArrayList<>();
 
-    public static ViewFlag EXPLOSION = new ViewFlag(true, false,"explosion", "e") {
+    public static ViewFlag EXPLOSION = new ViewFlag(true, false, "explosion", "e") {
         @Override
         public List<TNTRecord> filter(List<TNTRecord> records) {
             return records.stream()
                     .filter(TNTRecord::isExplosion)
                     .collect(Collectors.toList());
         }
-
-        @Override
-        public void modify(REntityServer server, List<TraceEntity> entities) {}
     };
 
     public static ViewFlag IGNITE = new ViewFlag(true, true, "ignite", "i") {
         @Override
         public List<TNTRecord> filter(List<TNTRecord> records) {
-            return  records.stream()
+            return records.stream()
                     .filter(record -> !record.isAfterFirstExplosion())
                     .collect(Collectors.toList());
         }
-
-        @Override
-        public void modify(REntityServer server, List<TraceEntity> entities) {}
     };
 
     public static ViewFlag SOURCE = new ViewFlag(true, false, IGNITE, "source", "s") {
@@ -74,9 +68,6 @@ public abstract class ViewFlag {
                     .filter(record -> record.getFuse() == 80)
                     .collect(Collectors.toList());
         }
-
-        @Override
-        public void modify(REntityServer server, List<TraceEntity> entities) {}
     };
 
     public static ViewFlag BUILD_DESTROY_ONLY = new ViewFlag(true, false, "build-destroy-only") {
@@ -86,9 +77,6 @@ public abstract class ViewFlag {
                     .filter(record -> record.getHistory().get(record.getHistory().size() - 1).isDestroyedBuildArea())
                     .collect(Collectors.toList());
         }
-
-        @Override
-        public void modify(REntityServer server, List<TraceEntity> entities) {}
     };
 
     public static ViewFlag TESTBLOCK_DESTROY_ONLY = new ViewFlag(true, false, "testblock-destroy-only") {
@@ -98,9 +86,6 @@ public abstract class ViewFlag {
                     .filter(record -> record.getHistory().get(record.getHistory().size() - 1).isDestroyedTestBlock())
                     .collect(Collectors.toList());
         }
-
-        @Override
-        public void modify(REntityServer server, List<TraceEntity> entities) {}
     };
 
     public static ViewFlag MICROMOTION = new ViewFlag(true, false, "micromotion", "m") {
@@ -109,44 +94,38 @@ public abstract class ViewFlag {
             Set<Integer> seen = new HashSet<>();
             Set<TNTRecord> toRemove = new HashSet<>();
 
-            for(TNTRecord uniqueRecord: records){
+            for (TNTRecord uniqueRecord : records) {
-                if(seen.contains(uniqueRecord.getTntId())) continue;
+                if (seen.contains(uniqueRecord.getTntId())) continue;
 
                 boolean hasMicromotion = false;
-                for(TNTRecord record: uniqueRecord.getHistory()){
+                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)){
+                    if (velocity.getY() == 0 && (Math.abs(velocity.getX()) < 0.001 || Math.abs(velocity.getZ()) < 0.001)) {
                         hasMicromotion = true;
                         break;
                     }
                 }
 
-                if(!hasMicromotion)
+                if (!hasMicromotion)
                     toRemove.add(uniqueRecord);
 
                 seen.add(uniqueRecord.getTntId());
             }
 
-            for(TNTRecord record: toRemove){
+            for (TNTRecord record : toRemove) {
                 records.removeAll(record.getHistory());
             }
 
-            return  records;
+            return records;
         }
-
-        @Override
-        public void modify(REntityServer server, List<TraceEntity> entities) {}
     };
 
     public static ViewFlag ADVANCED = new ViewFlag(true, false, "advanced", "a") {
-        @Override
-        public List<TNTRecord> filter(List<TNTRecord> records) {return records;}
-
         @Override
         public void modify(REntityServer server, List<TraceEntity> entities) {
-            for(TraceEntity entity: entities) {
+            for (TraceEntity entity : entities) {
                 TNTRecord current = entity.getRecords().get(0);
-                if(current.isExplosion()) continue;
+                if (current.isExplosion()) continue;
                 TNTRecord next = current.getNext().orElse(null);
                 if (next == null) continue;
 
@@ -167,41 +146,32 @@ public abstract class ViewFlag {
                     RFallingBlockEntity second = new RFallingBlockEntity(server, pos, Material.WHITE_STAINED_GLASS);
                     second.setNoGravity(true);
                 }
-             }
+            }
         }
     };
 
     public static ViewFlag COUNT = new ViewFlag(true, false, "count", "c") {
-        @Override
-        public List<TNTRecord> filter(List<TNTRecord> records) { return  records; }
-
         @Override
         public void modify(REntityServer server, List<TraceEntity> entities) {
-            for(TraceEntity entity: entities){
+            for (TraceEntity entity : entities) {
                 entity.setDisplayName(String.valueOf(entity.getRecords().size()));
             }
         }
     };
 
     public static ViewFlag FUSE = new ViewFlag(true, false, "fuse", "f") {
-        @Override
-        public List<TNTRecord> filter(List<TNTRecord> records) { return  records; }
-
         @Override
         public void modify(REntityServer server, List<TraceEntity> entities) {
-            for(TraceEntity entity: entities){
+            for (TraceEntity entity : entities) {
                 entity.setDisplayName(String.valueOf(entity.getRecords().get(0).getFuse()));
             }
         }
     };
 
     public static ViewFlag TIME = new ViewFlag(true, false, "time", "t") {
-        @Override
-        public List<TNTRecord> filter(List<TNTRecord> records) { return  records; }
-
         @Override
         public void modify(REntityServer server, List<TraceEntity> entities) {
-            for(TraceEntity entity: entities){
+            for (TraceEntity entity : entities) {
                 entity.setDisplayName(String.valueOf(entity.getRecords().get(0).getTicksSinceStart()));
             }
         }
@@ -222,33 +192,38 @@ public abstract class ViewFlag {
      */
     public final ViewFlag[] required;
 
-    public ViewFlag(boolean isStatic, boolean isInverse, String name, String... aliases) {
+    protected ViewFlag(boolean isStatic, boolean isInverse, String name, String... aliases) {
         this(isStatic, isInverse, new ViewFlag[0], name, aliases);
     }
 
-    public ViewFlag(boolean isStatic, boolean isInverse, ViewFlag required, String name, String... aliases) {
+    protected ViewFlag(boolean isStatic, boolean isInverse, ViewFlag required, String name, String... aliases) {
-        this(isStatic, isInverse, new ViewFlag[] { required }, name, aliases);
+        this(isStatic, isInverse, new ViewFlag[]{required}, name, aliases);
     }
 
-    public ViewFlag(boolean isStatic, boolean isInverse, ViewFlag[] required, String name, String... aliases){
+    protected ViewFlag(boolean isStatic, boolean isInverse, ViewFlag[] required, String name, String... aliases) {
         this.name = name;
         this.aliases = aliases;
-        if(isStatic) flags.add(this);
+        if (isStatic) flags.add(this);
-        if(isInverse) inverseFlags.add(this);
+        if (isInverse) inverseFlags.add(this);
         this.required = required;
     }
 
-    /** Filters the given records for a given condition
+    /**
+     * Filters the given records for a given condition
      *
      * @param records Records to be filtered
      * @return Filtered records
      */
-    public abstract List<TNTRecord> filter (List<TNTRecord> records);
+    public List<TNTRecord> filter(List<TNTRecord> records) {
+        return records;
+    }
 
-    /** Modifies the trace rendering
+    /**
+     * Modifies the trace rendering
      *
-     * @param server the server the trace is rendered on
+     * @param server   the server the trace is rendered on
      * @param entities the entities representing tnts
      */
-    public abstract void modify (REntityServer server, List<TraceEntity> entities);
+    public void modify(REntityServer server, List<TraceEntity> entities) {
+    }
 }

BauSystem_Main/src/de/steamwar/bausystem/features/tracer/rendering/dynamicflags/AtFlag.java

@@ -17,12 +17,10 @@
  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package de.steamwar.bausystem.features.tracer.rendering.dynamicFlags;
+package de.steamwar.bausystem.features.tracer.rendering.dynamicflags;
 
 import de.steamwar.bausystem.features.tracer.TNTRecord;
-import de.steamwar.bausystem.features.tracer.rendering.TraceEntity;
 import de.steamwar.bausystem.features.tracer.rendering.ViewFlag;
-import de.steamwar.entity.REntityServer;
 
 import java.util.List;
 import java.util.stream.Collectors;
@@ -31,19 +29,19 @@ public class AtFlag extends ViewFlag {
     private int start;
     private int end;
 
-
+    public AtFlag(int start, int end) {
-    public AtFlag(int start, int end){
         super(false, false, ViewFlag.IGNITE, null);
         this.start = start;
         this.end = end;
     }
 
-    /** Update this flag to represent another time interval
+    /**
+     * Update this flag to represent another time interval
      *
      * @param start new interval start
-     * @param end new interval end
+     * @param end   new interval end
      */
-    public void update(int start, int end){
+    public void update(int start, int end) {
         this.start = start;
         this.end = end;
     }
@@ -54,7 +52,4 @@ public class AtFlag extends ViewFlag {
                 .filter(record -> record.getTicksSinceStart() <= start && record.getTicksSinceStart() >= end)
                 .collect(Collectors.toList());
     }
-
-    @Override
-    public void modify(REntityServer server, List<TraceEntity> entities) {}
 }

BauSystem_Main/src/de/steamwar/bausystem/features/tracer/rendering/dynamicflags/IsolateFlag.java

@@ -17,14 +17,11 @@
  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package de.steamwar.bausystem.features.tracer.rendering.dynamicFlags;
+package de.steamwar.bausystem.features.tracer.rendering.dynamicflags;
 
 import de.steamwar.bausystem.features.tracer.TNTRecord;
-import de.steamwar.bausystem.features.tracer.rendering.TraceEntity;
 import de.steamwar.bausystem.features.tracer.rendering.ViewFlag;
-import de.steamwar.entity.REntityServer;
 
-import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -37,15 +34,16 @@ public class IsolateFlag extends ViewFlag {
      */
     private final Set<Integer> tntToIsolate = new HashSet<>();
 
-    public IsolateFlag(){
+    public IsolateFlag() {
         super(false, false, ViewFlag.IGNITE, null);
     }
 
     /**
      * Toggles the given id to be or not to be rendered
+     *
      * @param id
      */
-    public void toggleId(int id){
+    public void toggleId(int id) {
         if (!tntToIsolate.remove(id)) {
             tntToIsolate.add(id);
         }
@@ -57,7 +55,4 @@ public class IsolateFlag extends ViewFlag {
                 .filter(record -> tntToIsolate.contains(record.getTntId()))
                 .collect(Collectors.toList());
     }
-
-    @Override
-    public void modify(REntityServer server, List<TraceEntity> entities) {}
 }