Refactor RegionProtection

src/main/java/com/moulberry/axiom/integration/RegionProtection.java

@@ -4,24 +4,20 @@ import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.entity.Player;
 
-public class RegionProtection {
+import java.util.function.BiFunction;
 
-    private final RegionProtectionWorldGuard worldGuard;
+public interface RegionProtection {
 
-    public RegionProtection(Player player, World world) {
-        if (Bukkit.getPluginManager().isPluginEnabled("WorldGuard")) {
-            this.worldGuard = RegionProtectionWorldGuard.tryCreate(player, world);
-        } else {
-            this.worldGuard = null;
+    BiFunction<Player, World, RegionProtection> getProtection = Bukkit.getPluginManager().isPluginEnabled("WorldGuard") ? WorldGuardProtection::create : (player, world) -> new Dummy();
+
+    boolean canBuildInSection(int cx, int cy, int cz);
+
+    class Dummy implements RegionProtection {
+
+        @Override
+        public boolean canBuildInSection(int cx, int cy, int cz) {
+            return true;
         }
     }
 
-    public boolean canBuildInSection(int cx, int cy, int cz) {
-        if (this.worldGuard != null && !this.worldGuard.canBuildInSection(cx, cy, cz)) return false;
-        // todo: PlotSquared
-        return true;
-    }
-
-
-
 }

src/main/java/com/moulberry/axiom/integration/VersionTranslator.java

@@ -7,7 +7,7 @@ import java.util.function.IntFunction;
 
 public interface VersionTranslator {
 
-    VersionTranslator impl = Bukkit.getPluginManager().getPlugin("ViaVersion") != null ? new ViaVersionTranslator() : new Dummy();
+    VersionTranslator impl = Bukkit.getPluginManager().isPluginEnabled("ViaVersion") ? new ViaVersionTranslator() : new Dummy();
 
     IntFunction<Integer> blockStateMapper(Player player);
 

src/main/java/com/moulberry/axiom/integration/WorldGuardProtection.java

@@ -15,37 +15,36 @@ import com.sk89q.worldguard.protection.regions.RegionContainer;
 import com.sk89q.worldguard.protection.regions.RegionQuery;
 import org.bukkit.World;
 import org.bukkit.entity.Player;
-import org.jetbrains.annotations.Nullable;
 
-public class RegionProtectionWorldGuard {
+public class WorldGuardProtection implements RegionProtection {
+
+    private static final WorldGuardPlatform platform = WorldGuard.getInstance().getPlatform();
+    private static final RegionContainer regionContainer = platform.getRegionContainer();
 
     private final LocalPlayer player;
     private final RegionManager regionManager;
 
-    public RegionProtectionWorldGuard(LocalPlayer player, RegionManager regionManager) {
+    public WorldGuardProtection(LocalPlayer player, RegionManager regionManager) {
         this.player = player;
         this.regionManager = regionManager;
     }
 
-    @Nullable
-    public static RegionProtectionWorldGuard tryCreate(Player player, World world) {
-        WorldGuardPlatform platform = WorldGuard.getInstance().getPlatform();
-
-        RegionContainer regionContainer = platform.getRegionContainer();
-        com.sk89q.worldedit.world.World worldEditWorld = BukkitAdapter.adapt(world);
+    public static RegionProtection create(Player player, World world) {
+        com.sk89q.worldedit.world.World worldGuardWorld = BukkitAdapter.adapt(world);
         LocalPlayer worldGuardPlayer = WorldGuardPlugin.inst().wrapPlayer(player);
 
         // Don't do any protection if player has bypass
-        if (platform.getSessionManager().hasBypass(worldGuardPlayer, worldEditWorld)) {
-            return null;
+        if (platform.getSessionManager().hasBypass(worldGuardPlayer, worldGuardWorld)) {
+            return new RegionProtection.Dummy();
         }
 
-        RegionManager regionManager = regionContainer.get(worldEditWorld);
-        if (regionManager == null) return null;
+        RegionManager regionManager = regionContainer.get(worldGuardWorld);
+        if (regionManager == null) return new RegionProtection.Dummy();
 
-        return new RegionProtectionWorldGuard(worldGuardPlayer, regionManager);
+        return new WorldGuardProtection(worldGuardPlayer, regionManager);
     }
 
+    @Override
     public boolean canBuildInSection(int cx, int cy, int cz) {
         BlockVector3 min = BlockVector3.at(cx*16, cy*16, cz*16);
         BlockVector3 max = BlockVector3.at(cx*16+15, cy*16+15, cz*16+15);

src/main/java/com/moulberry/axiom/packet/SetBlockBufferPacketListener.java

@@ -93,7 +93,7 @@ public class SetBlockBufferPacketListener implements AxiomPacketListener {
         Bukkit.getPluginManager().callEvent(modifyWorldEvent);
         if (modifyWorldEvent.isCancelled()) return;
 
-        RegionProtection regionProtection = new RegionProtection(player, world.getWorld());
+        RegionProtection regionProtection = RegionProtection.getProtection.apply(player, world.getWorld());
 
         // Allowed, apply buffer
         BlockPos.MutableBlockPos blockPos = new BlockPos.MutableBlockPos();