From 23f2930aaddf7e55e8d79765df516631ad048be8 Mon Sep 17 00:00:00 2001
From: Wyatt Childers <wchilders@nearce.com>
Date: Tue, 22 Mar 2016 00:45:54 -0400
Subject: [PATCH] Removed the regeneration code for the Sponge platform

---
 .../worldedit/sponge/SpongeNMSWorld.java      | 106 ------------------
 .../sk89q/worldedit/sponge/SpongeWorld.java   |   6 +
 2 files changed, 6 insertions(+), 106 deletions(-)

diff --git a/worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeNMSWorld.java b/worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeNMSWorld.java
index 2a2a04ac8..ecdfc8677 100644
--- a/worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeNMSWorld.java
+++ b/worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeNMSWorld.java
@@ -121,112 +121,6 @@ public class SpongeNMSWorld extends SpongeWorld {
         return false;
     }
 
-    private static <T, K> K getFieldValue(Class<T> clazz, T object, String feildName, Class<K> valueClazz) {
-        try {
-            Field field = clazz.getDeclaredField(feildName); // Found in the MCP Mappings
-            field.setAccessible(true);
-
-            return valueClazz.cast(field.get(object));
-        } catch (NoSuchFieldException | IllegalAccessException e) {
-            System.out.println("Exception while modifying inaccessible variable: " + e.getMessage());
-        }
-        throw new IllegalStateException("Invalid variable state");
-    }
-
-    @SuppressWarnings("unchecked")
-    @Override
-    public boolean regenerate(Region region, EditSession editSession) {
-        BaseBlock[] history = new BaseBlock[256 * (getMaxY() + 1)];
-
-        IChunkProvider provider = ((net.minecraft.world.World) getWorld()).getChunkProvider();
-        if (!(provider instanceof ChunkProviderServer)) {
-            return false;
-        }
-        ChunkProviderServer chunkServer = (ChunkProviderServer) provider;
-
-        IChunkProvider chunkProvider = getFieldValue(
-                ChunkProviderServer.class,
-                chunkServer,
-                "field_73246_d",  // serverChunkGenerator
-                IChunkProvider.class
-        );
-
-        Set droppedChunksSet = getFieldValue(
-                ChunkProviderServer.class,
-                chunkServer,
-                "field_73248_b", // droppedChunksSet,
-                Set.class
-        );
-
-        LongHashMap id2ChunkMap = getFieldValue(
-                ChunkProviderServer.class,
-                chunkServer,
-                "field_73244_f", // id2ChunkMap
-                LongHashMap.class
-        );
-
-        List loadedChunks = getFieldValue(
-                ChunkProviderServer.class,
-                chunkServer,
-                "field_73245_g", // loadedChunks
-                List.class
-        );
-
-        for (Vector2D chunk : region.getChunks()) {
-            Vector min = new Vector(chunk.getBlockX() * 16, 0, chunk.getBlockZ() * 16);
-
-            for (int x = 0; x < 16; x++) {
-                for (int y = 0; y < getMaxY() + 1; y++) {
-                    for (int z = 0; z < 16; z++) {
-                        Vector pt = min.add(x, y, z);
-                        int index = y * 16 * 16 + z * 16 + x;
-                        history[index] = editSession.getBlock(pt);
-                    }
-                }
-            }
-            try {
-                Set<Vector2D> chunks = region.getChunks();
-                for (Vector2D coord : chunks) {
-                    long pos = ChunkCoordIntPair.chunkXZ2Int(coord.getBlockX(), coord.getBlockZ());
-                    Chunk mcChunk;
-                    if (chunkServer.chunkExists(coord.getBlockX(), coord.getBlockZ())) {
-                        mcChunk = chunkServer.loadChunk(coord.getBlockX(), coord.getBlockZ());
-                        mcChunk.onChunkUnload();
-                    }
-                    droppedChunksSet.remove(pos);
-                    id2ChunkMap.remove(pos);
-                    mcChunk = chunkProvider.provideChunk(coord.getBlockX(), coord.getBlockZ());
-                    id2ChunkMap.add(pos, mcChunk);
-                    loadedChunks.add(mcChunk);
-                    if (mcChunk != null) {
-                        mcChunk.onChunkLoad();
-                        mcChunk.populateChunk(chunkProvider, chunkProvider, coord.getBlockX(), coord.getBlockZ());
-                    }
-                }
-            } catch (Throwable t) {
-                logger.log(Level.WARNING, "Failed to generate chunk", t);
-                return false;
-            }
-
-            for (int x = 0; x < 16; x++) {
-                for (int y = 0; y < getMaxY() + 1; y++) {
-                    for (int z = 0; z < 16; z++) {
-                        Vector pt = min.add(x, y, z);
-                        int index = y * 16 * 16 + z * 16 + x;
-
-                        if (!region.contains(pt))
-                            editSession.smartSetBlock(pt, history[index]);
-                        else {
-                            editSession.rememberChange(pt, history[index], editSession.rawGetBlock(pt));
-                        }
-                    }
-                }
-            }
-        }
-
-        return false;
-    }
-
     @Nullable
     private static WorldGenerator createWorldGenerator(TreeGenerator.TreeType type) {
         switch (type) {
diff --git a/worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeWorld.java b/worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeWorld.java
index 353f74d5c..7518eb80f 100644
--- a/worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeWorld.java
+++ b/worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeWorld.java
@@ -22,6 +22,7 @@ package com.sk89q.worldedit.sponge;
 import com.flowpowered.math.vector.Vector3d;
 import com.flowpowered.math.vector.Vector3i;
 import com.sk89q.jnbt.CompoundTag;
+import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.Vector2D;
 import com.sk89q.worldedit.WorldEditException;
@@ -154,6 +155,11 @@ public abstract class SpongeWorld extends AbstractWorld {
         return true;
     }
 
+    @Override
+    public boolean regenerate(Region region, EditSession editSession) {
+        return false;
+    }
+
     @Override
     public int getBlockLightLevel(Vector position) {
         checkNotNull(position);