Included information on Reflection relocation

.docs/faq.md

@@ -13,6 +13,10 @@ Yes, you can! However, that requires doing some extra steps. Take a look at the
 
 Multiverse-Core detects SWM worlds as unloaded, as it cannot find the world directory, and then just ignores them. Although there should be no issues, MV commands won't work with SWM worlds.
 
+* It appears that my reflections aren't working after installing, what happened?
+
+Follow the instructions found on this Spigot post in regards to relocation; https://www.spigotmc.org/threads/issue-with-reflections-library-and-multiple-plugins.397903/
+
 * What's the world size limit?
 
 The Slime Region Format can handle up a 46340x4630 chunk area. That's the maximum size that SWM can _theoretically_ handle, given enough memory. However, having a world so big is not recommended at all.

swoftyworldmanager-plugin/src/main/java/net/swofty/swm/plugin/world/importer/LevelData.java

@@ -8,7 +8,6 @@
 @Getter
 @RequiredArgsConstructor
 public class LevelData {
-
     private final Map<String, String> gameRules;
 
     private final int spawnX;

swoftyworldmanager-plugin/src/main/java/net/swofty/swm/plugin/world/importer/WorldImporter.java

@@ -115,9 +115,6 @@ private static LevelData readLevelData(File file) throws IOException, InvalidWor
             Optional<CompoundTag> dataTag = tag.get().getAsCompoundTag("Data");
 
             if (dataTag.isPresent()) {
-                // Data version
-                int dataVersion = dataTag.get().getIntValue("DataVersion").orElse(-1);
-
                 // Game rules
                 Map<String, String> gameRules = new HashMap<>();
                 Optional<CompoundTag> rulesList = dataTag.get().getAsCompoundTag("GameRules");
@@ -154,7 +151,6 @@ private static List<SlimeChunk> loadChunks(File file) throws IOException {
         }
 
         List<SlimeChunk> loadedChunks = chunks.stream().map((entry) -> {
-
             try {
                 DataInputStream headerStream = new DataInputStream(new ByteArrayInputStream(regionByteArray, entry.getOffset(), entry.getPaddedSize()));
 
@@ -205,13 +201,8 @@ private static SlimeChunk readChunk(CompoundTag compound) {
             biomes = null;
         }
 
-        Optional<CompoundTag> optionalHeightMaps = compound.getAsCompoundTag("Heightmaps");
-        CompoundTag heightMapsCompound;
-
-        // Pre 1.13 world
-
+        CompoundTag heightMapsCompound = new CompoundTag("", new CompoundMap());
         int[] heightMap = compound.getIntArrayValue("HeightMap").orElse(new int[256]);
-        heightMapsCompound = new CompoundTag("", new CompoundMap());
         heightMapsCompound.getValue().put("heightMap", new IntArrayTag("heightMap", heightMap));
 
         List<CompoundTag> tileEntities = ((ListTag<CompoundTag>) compound.getAsListTag("TileEntities")
@@ -224,11 +215,6 @@ private static SlimeChunk readChunk(CompoundTag compound) {
         for (CompoundTag sectionTag : sectionsTag.getValue()) {
             int index = sectionTag.getByteValue("Y").get();
 
-            if (index < 0) {
-                // For some reason MC 1.14 worlds contain an empty section with Y = -1.
-                continue;
-            }
-
             byte[] blocks = sectionTag.getByteArrayValue("Blocks").orElse(null);
             NibbleArray dataArray;
             ListTag<CompoundTag> paletteTag;
@@ -278,16 +264,6 @@ private static boolean isEmpty(byte[] array) {
         return true;
     }
 
-    private static boolean isEmpty(long[] array) {
-        for (long b : array) {
-            if (b != 0L) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
     @Getter
     @RequiredArgsConstructor
     private static class ChunkEntry {