Add ViewFlagHolder

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

@@ -23,6 +23,7 @@ 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.ViewFlagHolder;
 import de.steamwar.bausystem.features.tracer.rendering.dynamicflags.AtFlag;
 import de.steamwar.bausystem.features.tracer.rendering.dynamicflags.IsolateFlag;
 import de.steamwar.bausystem.region.Region;
@@ -31,7 +32,6 @@ import lombok.Getter;
 import org.bukkit.entity.Player;
 
 import java.util.*;
-import java.util.stream.Stream;
 
 public class Trace {
     /**
@@ -77,7 +77,7 @@ public class Trace {
     /**
      * A map saving the view flags for rendered traces, for life rendering
      */
-    private final Map<Player, ViewFlag[]> viewFlagMap = new HashMap<>();
+    private final Map<Player, ViewFlagHolder> viewFlagMap = new HashMap<>();
 
     public Trace(Region region) {
         this.region = region;
@@ -103,9 +103,9 @@ public class Trace {
         for (Player player : serverMap.keySet()) {
             REntityServer server = serverMap.get(player);
             BundleFilter bundleFilter = bundleFilterMap.get(player);
-            ViewFlag[] viewFlags = viewFlagMap.get(player);
+            ViewFlagHolder viewFlagHolder = viewFlagMap.get(player);
 
-            render(server, records, viewFlags, bundleFilter);
+            render(server, records, viewFlagHolder, bundleFilter);
         }
     }
 
@@ -136,11 +136,11 @@ public class Trace {
     /**
      * Renders this traces
      *
-     * @param player       The player the trace is rendered to
-     * @param flags        Flags modefieing the rendering
-     * @param bundleFilter Filter to determin bundeling of records
+     * @param player         The player the trace is rendered to
+     * @param viewFlagHolder 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, ViewFlagHolder viewFlagHolder, BundleFilter bundleFilter) {
         if (serverMap.containsKey(player)) {
             REntityServer server = serverMap.get(player);
             server.close();
@@ -150,43 +150,29 @@ public class Trace {
             bundleFilterMap.remove(player);
         }
 
-        viewFlagMap.put(player, flags);
+        viewFlagMap.put(player, viewFlagHolder);
         bundleFilterMap.put(player, bundleFilter);
 
         REntityServer server = new REntityServer();
         server.addPlayer(player);
         serverMap.put(player, server);
 
-        render(server, records, flags, bundleFilter);
+        render(server, records, viewFlagHolder, bundleFilter);
     }
 
     /**
      * Internal methode to render records to a REntityServer
      *
-     * @param server       Server to render to
-     * @param records      Records to render
-     * @param flags        Flags modefieing the rendering
-     * @param bundleFilter Filter to determin bundeling of records
+     * @param server         Server to render to
+     * @param records        Records to render
+     * @param viewFlagHolder 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, ViewFlagHolder viewFlagHolder, BundleFilter bundleFilter) {
         if (records.isEmpty()) return;
 
         List<TNTRecord> workingRecords = records;
-
-        //Manage flags and required flags
-        Set<ViewFlag> flagList = new HashSet<>(Arrays.asList(flags));
-        for (ViewFlag flag : flags) {
-            if (flag.required != null) {
-                flagList.addAll(Arrays.asList(flag.required));
-            }
-        }
-
-        //Manage inverse flags
-        ViewFlag.inverseFlags.forEach(viewFlag -> {
-            if (!flagList.remove(viewFlag)) {
-                flagList.add(viewFlag);
-            }
-        });
+        Set<ViewFlag> flagList = viewFlagHolder.getEffectiveViewFlags();
 
         //Apply filters
         for (ViewFlag flag : flagList) {
@@ -204,7 +190,7 @@ public class Trace {
         }
 
         //Apply modifiers
-        for (ViewFlag flag : flags) {
+        for (ViewFlag flag : flagList) {
             flag.modify(server, entities);
         }
 
@@ -262,24 +248,12 @@ public class Trace {
      * @param to     end of time interval
      */
     public void renderAt(Player player, int from, int to) {
-        ViewFlag[] viewFlags = viewFlagMap.get(player);
-        if (viewFlags == null) return;
-
-        AtFlag atFlag = null;
-        atFlag = Stream.of(viewFlags)
-                .filter(AtFlag.class::isInstance)
-                .map(AtFlag.class::cast)
-                .findFirst()
-                .orElse(null);
-
-        if (atFlag != null) {
-            atFlag.update(from, to);
+        ViewFlagHolder viewFlags = viewFlagMap.computeIfAbsent(player, p -> new ViewFlagHolder());
+        if (viewFlags.hasViewFlag(AtFlag.class)) {
+            viewFlags.getViewFlag(AtFlag.class).update(from, to);
         } else {
-            atFlag = new AtFlag(from, to);
-            viewFlags = Arrays.copyOf(viewFlags, viewFlags.length + 1);
-            viewFlags[viewFlags.length - 1] = atFlag;
+            viewFlags.addViewFlag(new AtFlag(from, to));
         }
-
         render(player, viewFlags, BundleFilter.STRICT);
     }
 
@@ -290,27 +264,18 @@ public class Trace {
      * @param records the record for which isolation is toggled
      */
     public void isolate(Player player, TNTRecord... records) {
-        IsolateFlag isolationFlag = null;
-
-        ViewFlag[] viewFlags = viewFlagMap.get(player);
-        if (viewFlags != null) {
-            isolationFlag = Stream.of(viewFlags)
-                    .filter(IsolateFlag.class::isInstance)
-                    .map(IsolateFlag.class::cast)
-                    .findFirst()
-                    .orElse(null);
+        IsolateFlag isolateFlag;
+        ViewFlagHolder viewFlags = viewFlagMap.get(player);
+        if (viewFlags != null && viewFlags.hasViewFlag(IsolateFlag.class)) {
+            isolateFlag = viewFlags.getViewFlag(IsolateFlag.class);
+        } else {
+            viewFlags = new ViewFlagHolder();
+            isolateFlag = new IsolateFlag();
+            viewFlags.addViewFlag(isolateFlag);
         }
 
-        if (viewFlags == null || isolationFlag == null) {
-            viewFlags = new ViewFlag[1];
-        }
-        if (isolationFlag == null) {
-            isolationFlag = new IsolateFlag();
-        }
-        viewFlags[0] = isolationFlag;
-
         for (TNTRecord record : records) {
-            isolationFlag.toggleId(record.getTntId());
+            isolateFlag.toggleId(record.getTntId());
         }
 
         render(player, viewFlags, BundleFilter.STRICT);

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

@@ -0,0 +1,69 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.features.tracer.rendering;
+
+import java.util.*;
+
+public class ViewFlagHolder {
+
+    private Map<Class<? extends ViewFlag>, ViewFlag> viewFlags = new HashMap<>();
+
+    public ViewFlagHolder(ViewFlag... viewFlags) {
+        for (ViewFlag viewFlag : viewFlags) {
+            this.viewFlags.put(viewFlag.getClass(), viewFlag);
+        }
+    }
+
+    public Set<ViewFlag> getEffectiveViewFlags() {
+        //Manage flags and required flags
+        Set<ViewFlag> flagList = new HashSet<>();
+        for (ViewFlag flag : viewFlags.values()) {
+            flagList.add(flag);
+            if (flag.required != null) {
+                flagList.addAll(Arrays.asList(flag.required));
+            }
+        }
+
+        //Manage inverse flags
+        ViewFlag.inverseFlags.forEach(viewFlag -> {
+            if (!flagList.remove(viewFlag)) {
+                flagList.add(viewFlag);
+            }
+        });
+
+        return flagList;
+    }
+
+    public boolean hasViewFlag(Class<? extends ViewFlag> clazz) {
+        return viewFlags.containsKey(clazz);
+    }
+
+    public <T extends ViewFlag> T getViewFlag(Class<T> clazz) {
+        return (T) viewFlags.get(clazz);
+    }
+
+    public <T extends ViewFlag> T getViewFlagOrDefault(Class<T> clazz, T defaultValue) {
+        return (T) viewFlags.getOrDefault(clazz, defaultValue);
+    }
+
+    public void addViewFlag(ViewFlag viewFlag) {
+        viewFlags.put(viewFlag.getClass(), viewFlag);
+    }
+}