migrate some spaghetti code to ChunkAPI

replaced netcode/saving logic for blocks, metadata, and biomes

src/main/java/com/falsepattern/endlessids/managers/BiomeManager.java

@@ -0,0 +1,75 @@
+package com.falsepattern.endlessids.managers;
+
+import com.falsepattern.chunk.api.ChunkDataManager;
+import com.falsepattern.endlessids.Hooks;
+import com.falsepattern.endlessids.Tags;
+import com.falsepattern.endlessids.mixin.helpers.IChunkMixin;
+import lombok.var;
+
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.world.chunk.Chunk;
+
+import java.nio.ByteBuffer;
+
+public class BiomeManager implements ChunkDataManager, ChunkDataManager.PacketDataManager, ChunkDataManager.ChunkNBTDataManager {
+
+    @Override
+    public String domain() {
+        return Tags.MODID;
+    }
+
+    @Override
+    public String id() {
+        return "biome";
+    }
+
+    @Override
+    public int maxPacketSize() {
+        return 2 * 16 * 16;
+    }
+
+    @Override
+    public void writeToBuffer(Chunk chunk, int ebsMask, boolean forceUpdate, ByteBuffer data) {
+        data.asShortBuffer().put(((IChunkMixin)chunk).getBiomeShortArray());
+        data.position(data.position() + maxPacketSize());
+    }
+
+    @Override
+    public void readFromBuffer(Chunk chunk, int ebsMask, boolean forceUpdate, ByteBuffer buffer) {
+        var arr = ((IChunkMixin)chunk).getBiomeShortArray();
+        if (arr == null) {
+            arr = new short[16 * 16];
+            ((IChunkMixin)chunk).setBiomeShortArray(arr);
+        }
+        buffer.asShortBuffer().get(arr);
+        buffer.position(buffer.position() + maxPacketSize());
+    }
+
+    @Override
+    public boolean chunkPrivilegedAccess() {
+        return true;
+    }
+
+    @Override
+    public void writeChunkToNBT(Chunk chunk, NBTTagCompound nbt) {
+        byte[] arr = Hooks.shortToByteArray(((IChunkMixin)chunk).getBiomeShortArray());
+        nbt.setByteArray("Biomes16v2", arr);
+    }
+
+    @Override
+    public void readChunkFromNBT(Chunk chunk, NBTTagCompound nbt) {
+        var data = ((IChunkMixin) chunk).getBiomeShortArray();
+        if (data == null) {
+            data = new short[16 * 16];
+            ((IChunkMixin)chunk).setBiomeShortArray(data);
+        }
+        if (nbt.hasKey("Biomes16v2", 7)) {
+            Hooks.byteToShortArray(nbt.getByteArray("Biomes16v2"), 0, data, 0, data.length * 2);
+        } else if (nbt.hasKey("Biomes16", 7)) { //NotEnoughBiomes DFU
+            Hooks.byteToShortArrayLegacy(nbt.getByteArray("Biomes16"), data);
+        } else if (nbt.hasKey("Biomes", 7)) { //Vanilla DFU
+            Hooks.scatter(nbt.getByteArray("Biomes"), data);
+        }
+
+    }
+}