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[Forge] Make //regen work better
It now creates a brand-new world, generates the appropriate section there, and copies it over to the original world.
This commit is contained in:
Kenzie Togami
Wizjany
parent
e9419f4280
commit
1752963288
@ -19,16 +19,22 @@
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package com.sk89q.worldedit.forge;
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import com.google.common.io.Files;
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import com.sk89q.jnbt.CompoundTag;
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import com.sk89q.worldedit.*;
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import com.sk89q.worldedit.BlockVector;
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import com.sk89q.worldedit.EditSession;
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import com.sk89q.worldedit.MaxChangedBlocksException;
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import com.sk89q.worldedit.Vector;
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import com.sk89q.worldedit.Vector2D;
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import com.sk89q.worldedit.WorldEditException;
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import com.sk89q.worldedit.blocks.BaseBlock;
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import com.sk89q.worldedit.blocks.BaseItem;
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import com.sk89q.worldedit.blocks.BaseItemStack;
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import com.sk89q.worldedit.blocks.LazyBlock;
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import com.sk89q.worldedit.entity.BaseEntity;
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import com.sk89q.worldedit.entity.Entity;
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import com.sk89q.worldedit.history.change.BlockChange;
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import com.sk89q.worldedit.internal.Constants;
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import com.sk89q.worldedit.regions.CuboidRegion;
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import com.sk89q.worldedit.regions.Region;
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import com.sk89q.worldedit.util.Direction;
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import com.sk89q.worldedit.util.Location;
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@ -36,40 +42,55 @@ import com.sk89q.worldedit.util.TreeGenerator.TreeType;
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import com.sk89q.worldedit.world.AbstractWorld;
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import com.sk89q.worldedit.world.biome.BaseBiome;
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import com.sk89q.worldedit.world.registry.WorldData;
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import net.minecraft.block.*;
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import net.minecraft.block.Block;
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import net.minecraft.block.BlockLeaves;
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import net.minecraft.block.BlockOldLeaf;
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import net.minecraft.block.BlockOldLog;
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import net.minecraft.block.BlockPlanks;
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import net.minecraft.block.state.IBlockState;
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import net.minecraft.entity.EntityList;
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import net.minecraft.entity.item.EntityItem;
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import net.minecraft.entity.player.EntityPlayerMP;
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import net.minecraft.init.Blocks;
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import net.minecraft.inventory.IInventory;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemStack;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.server.management.PlayerChunkMap;
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import net.minecraft.server.management.PlayerChunkMapEntry;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.tileentity.TileEntity;
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import net.minecraft.util.EnumActionResult;
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import net.minecraft.util.EnumHand;
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import net.minecraft.util.ResourceLocation;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.ChunkPos;
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import net.minecraft.world.World;
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import net.minecraft.world.WorldServer;
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import net.minecraft.world.biome.Biome;
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import net.minecraft.world.chunk.Chunk;
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import net.minecraft.world.chunk.IChunkGenerator;
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import net.minecraft.world.chunk.IChunkProvider;
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import net.minecraft.world.chunk.storage.AnvilSaveHandler;
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import net.minecraft.world.gen.ChunkProviderServer;
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import net.minecraft.world.gen.feature.*;
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import net.minecraft.world.gen.feature.WorldGenBigMushroom;
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import net.minecraft.world.gen.feature.WorldGenBigTree;
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import net.minecraft.world.gen.feature.WorldGenBirchTree;
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import net.minecraft.world.gen.feature.WorldGenCanopyTree;
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import net.minecraft.world.gen.feature.WorldGenMegaJungle;
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import net.minecraft.world.gen.feature.WorldGenMegaPineTree;
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import net.minecraft.world.gen.feature.WorldGenSavannaTree;
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import net.minecraft.world.gen.feature.WorldGenShrub;
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import net.minecraft.world.gen.feature.WorldGenSwamp;
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import net.minecraft.world.gen.feature.WorldGenTaiga1;
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import net.minecraft.world.gen.feature.WorldGenTaiga2;
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import net.minecraft.world.gen.feature.WorldGenTrees;
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import net.minecraft.world.gen.feature.WorldGenerator;
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import net.minecraftforge.common.DimensionManager;
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import javax.annotation.Nullable;
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import java.io.File;
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import java.lang.ref.WeakReference;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import static com.google.common.base.Preconditions.checkNotNull;
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@ -80,7 +101,6 @@ public class ForgeWorld extends AbstractWorld {
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private static final Random random = new Random();
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private static final int UPDATE = 1, NOTIFY = 2;
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private static final Logger logger = Logger.getLogger(ForgeWorld.class.getCanonicalName());
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private static final IBlockState JUNGLE_LOG = Blocks.LOG.getDefaultState().withProperty(BlockOldLog.VARIANT, BlockPlanks.EnumType.JUNGLE);
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private static final IBlockState JUNGLE_LEAF = Blocks.LEAVES.getDefaultState().withProperty(BlockOldLeaf.VARIANT, BlockPlanks.EnumType.JUNGLE).withProperty(BlockLeaves.CHECK_DECAY, Boolean.valueOf(false));
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@ -246,73 +266,41 @@ public class ForgeWorld extends AbstractWorld {
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if (!(provider instanceof ChunkProviderServer)) {
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return false;
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}
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BaseBlock[] history = new BaseBlock[256 * (getMaxY() + 1)];
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for (Vector2D chunk : region.getChunks()) {
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Vector min = new Vector(chunk.getBlockX() * 16, 0, chunk.getBlockZ() * 16);
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File saveFolder = Files.createTempDir();
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// register this just in case something goes wrong
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// normally it should be deleted at the end of this method
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saveFolder.deleteOnExit();
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for (int x = 0; x < 16; x++) {
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for (int y = 0; y < getMaxY() + 1; y++) {
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for (int z = 0; z < 16; z++) {
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Vector pt = min.add(x, y, z);
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int index = y * 16 * 16 + z * 16 + x;
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history[index] = editSession.getBlock(pt);
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WorldServer originalWorld = (WorldServer) getWorld();
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MinecraftServer server = originalWorld.getMinecraftServer();
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AnvilSaveHandler saveHandler = new AnvilSaveHandler(saveFolder,
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originalWorld.getSaveHandler().getWorldDirectory().getName(), true, server.getDataFixer());
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World freshWorld = new WorldServer(server, saveHandler, originalWorld.getWorldInfo(),
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originalWorld.provider.getDimension(), originalWorld.theProfiler).init();
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// Pre-gen all the chunks
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// We need to also pull one more chunk in every direction
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CuboidRegion expandedPreGen = new CuboidRegion(region.getMinimumPoint().subtract(16, 0, 16), region.getMaximumPoint().add(16, 0, 16));
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for (Vector2D chunk : expandedPreGen.getChunks()) {
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freshWorld.getChunkFromChunkCoords(chunk.getBlockX(), chunk.getBlockZ());
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}
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}
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}
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PlayerChunkMap playerManager = ((WorldServer) getWorld()).getPlayerChunkMap();
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List<EntityPlayerMP> oldWatchers = null;
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Chunk mcChunk = null;
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ForgeWorld from = new ForgeWorld(freshWorld);
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try {
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ChunkProviderServer chunkServer = (ChunkProviderServer) provider;
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IChunkGenerator gen = chunkServer.chunkGenerator;
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long pos = ChunkPos.asLong(chunk.getBlockX(), chunk.getBlockZ());
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if (chunkServer.chunkExists(chunk.getBlockX(), chunk.getBlockZ())) {
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mcChunk = chunkServer.loadChunk(chunk.getBlockX(), chunk.getBlockZ());
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PlayerChunkMapEntry entry = playerManager.getEntry(chunk.getBlockX(), chunk.getBlockZ());
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if (entry != null) {
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oldWatchers = entry.players;
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playerManager.removeEntry(entry);
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for (BlockVector vec : region) {
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editSession.setBlock(vec, from.getBlock(vec));
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}
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mcChunk.onChunkUnload();
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}
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chunkServer.droppedChunksSet.remove(pos);
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chunkServer.id2ChunkMap.remove(pos);
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mcChunk = gen.provideChunk(chunk.getBlockX(), chunk.getBlockZ());
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chunkServer.id2ChunkMap.put(pos, mcChunk);
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if (mcChunk != null) {
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mcChunk.onChunkLoad();
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mcChunk.populateChunk(chunkServer, chunkServer.chunkGenerator);
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}
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} catch (Throwable t) {
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logger.log(Level.WARNING, "Failed to generate chunk", t);
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return false;
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} catch (MaxChangedBlocksException e) {
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throw new RuntimeException(e);
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} finally {
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saveFolder.delete();
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DimensionManager.setWorld(originalWorld.provider.getDimension(), null, server);
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DimensionManager.setWorld(originalWorld.provider.getDimension(), originalWorld, server);
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}
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for (int x = 0; x < 16; x++) {
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for (int y = 0; y < getMaxY() + 1; y++) {
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for (int z = 0; z < 16; z++) {
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Vector pt = min.add(x, y, z);
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int index = y * 16 * 16 + z * 16 + x;
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if (!region.contains(pt))
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editSession.smartSetBlock(pt, history[index]);
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else {
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editSession.getChangeSet().add(new BlockChange(pt.toBlockVector(), history[index], editSession.getBlock(pt)));
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}
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}
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}
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}
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// We don't need to recreate the ChunkMapEntry unless there are players
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// but addPlayer handles that for us
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if (oldWatchers != null) {
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for (EntityPlayerMP player : oldWatchers) {
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playerManager.addPlayer(player);
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}
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}
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}
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return false;
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return true;
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}
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@Nullable
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