From 54f62e689b00a12e79166c0c5c696bd37a053b21 Mon Sep 17 00:00:00 2001
From: Jesse Boyd <jessepaleg@gmail.com>
Date: Thu, 14 Nov 2019 19:20:35 +0000
Subject: [PATCH] WIP level dat for MCAWorld

---
 .../com/boydti/fawe/jnbt/anvil/LevelDat.java  | 46 +++++++++++
 .../com/boydti/fawe/jnbt/anvil/MCAWorld.java  | 82 +++++++++++++++++--
 2 files changed, 122 insertions(+), 6 deletions(-)
 create mode 100644 worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/LevelDat.java

diff --git a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/LevelDat.java b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/LevelDat.java
new file mode 100644
index 000000000..d4cd3329d
--- /dev/null
+++ b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/LevelDat.java
@@ -0,0 +1,46 @@
+package com.boydti.fawe.jnbt.anvil;
+
+import com.boydti.fawe.object.io.PGZIPOutputStream;
+import com.sk89q.jnbt.CompoundTag;
+import com.sk89q.jnbt.NBTInputStream;
+import com.sk89q.jnbt.NBTOutputStream;
+import it.unimi.dsi.fastutil.io.FastBufferedInputStream;
+import it.unimi.dsi.fastutil.io.FastBufferedOutputStream;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+public class LevelDat {
+    private final File file;
+    private CompoundTag tag;
+
+    public LevelDat(File file) {
+        checkArgument(file.exists());
+        this.file = file;
+    }
+
+    public void load() throws IOException {
+        try (NBTInputStream nis = new NBTInputStream(new FastBufferedInputStream(new GZIPInputStream(new FastBufferedInputStream(new FileInputStream(file)))))) {
+            this.tag = (CompoundTag) nis.readNamedTag().getTag();
+        }
+    }
+
+    public void save() throws IOException {
+        if (this.tag != null) {
+            try (NBTOutputStream nos = new NBTOutputStream(new FastBufferedOutputStream(new GZIPOutputStream(new FastBufferedOutputStream(new FileOutputStream(file)))))) {
+                nos.writeNamedTag("", tag);
+            }
+        }
+    }
+
+    public CompoundTag getTag() {
+        return tag;
+    }
+}
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/MCAWorld.java b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/MCAWorld.java
index 6c13f45e1..a13cd75b6 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/MCAWorld.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/MCAWorld.java
@@ -1,23 +1,93 @@
 package com.boydti.fawe.jnbt.anvil;
 
+import com.boydti.fawe.beta.IChunkGet;
+import com.boydti.fawe.beta.implementation.packet.ChunkPacket;
+import com.google.common.base.Preconditions;
 import com.sk89q.jnbt.CompoundTag;
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.blocks.BaseItemStack;
+import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
+import com.sk89q.worldedit.math.Vector3;
+import com.sk89q.worldedit.regions.Region;
+import com.sk89q.worldedit.util.TreeGenerator;
+import com.sk89q.worldedit.world.AbstractWorld;
+import com.sk89q.worldedit.world.block.BlockState;
 
-public class MCAWorld implements Extent {
-    @Override
-    public BlockVector3 getMinimumPoint() {
-        return null;
+import javax.annotation.Nullable;
+import java.io.File;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+public class MCAWorld extends AbstractWorld {
+    private final File path;
+
+    public MCAWorld(File path) {
+        checkArgument(path.isDirectory());
+        this.path = path;
     }
 
     @Override
-    public BlockVector3 getMaximumPoint() {
-        return null;
+    public String getName() {
+        return path.getName();
     }
 
+
     @Override
     public boolean setTile(int x, int y, int z, CompoundTag tile) throws WorldEditException {
         return false;
     }
+
+    @Override
+    public boolean notifyAndLightBlock(BlockVector3 position, BlockState previousType) throws WorldEditException {
+        return false;
+    }
+
+    @Override
+    public boolean clearContainerBlockContents(BlockVector3 position) {
+        return false;
+    }
+
+    @Override
+    public void dropItem(Vector3 position, BaseItemStack item) {
+
+    }
+
+    @Override
+    public void simulateBlockMine(BlockVector3 position) {
+
+    }
+
+    @Override
+    public boolean regenerate(Region region, EditSession editSession) {
+        return false;
+    }
+
+    @Override
+    public boolean generateTree(TreeGenerator.TreeType type, EditSession editSession, BlockVector3 position) throws MaxChangedBlocksException {
+        return false;
+    }
+
+    @Override
+    public BlockVector3 getSpawnPosition() {
+        return null;
+    }
+
+    @Override
+    public void refreshChunk(int chunkX, int chunkZ) {
+
+    }
+
+    @Override
+    public IChunkGet get(int x, int z) {
+        return null;
+    }
+
+    @Override
+    public void sendFakeChunk(@Nullable Player player, ChunkPacket packet) {
+
+    }
 }